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-rw-r--r--drivers/acpi/Kconfig1
-rw-r--r--drivers/acpi/ac.c4
-rw-r--r--drivers/acpi/acpi_lpss.c1
-rw-r--r--drivers/acpi/acpica/acresrc.h6
-rw-r--r--drivers/acpi/acpica/nsalloc.c18
-rw-r--r--drivers/acpi/acpica/nsutils.c18
-rw-r--r--drivers/acpi/acpica/rscalc.c9
-rw-r--r--drivers/acpi/acpica/rscreate.c36
-rw-r--r--drivers/acpi/acpica/rsutils.c2
-rw-r--r--drivers/acpi/acpica/utdebug.c31
-rw-r--r--drivers/acpi/apei/Kconfig1
-rw-r--r--drivers/acpi/apei/erst.c1
-rw-r--r--drivers/acpi/battery.c22
-rw-r--r--drivers/acpi/bus.c10
-rw-r--r--drivers/acpi/nvs.c1
-rw-r--r--drivers/acpi/pci_root.c3
-rw-r--r--drivers/acpi/scan.c2
-rw-r--r--drivers/acpi/sleep.c2
-rw-r--r--drivers/acpi/sysfs.c54
-rw-r--r--drivers/ata/ahci.c23
-rw-r--r--drivers/ata/ahci_imx.c3
-rw-r--r--drivers/ata/ahci_platform.c1
-rw-r--r--drivers/ata/libata-core.c22
-rw-r--r--drivers/ata/libata-scsi.c22
-rw-r--r--drivers/ata/libata-zpodd.c4
-rw-r--r--drivers/ata/pata_arasan_cf.c1
-rw-r--r--drivers/ata/sata_sis.c4
-rw-r--r--drivers/base/regmap/regmap-mmio.c11
-rw-r--r--drivers/base/regmap/regmap.c8
-rw-r--r--drivers/block/null_blk.c120
-rw-r--r--drivers/block/skd_main.c4
-rw-r--r--drivers/block/xen-blkfront.c7
-rw-r--r--drivers/bluetooth/ath3k.c2
-rw-r--r--drivers/bluetooth/btusb.c1
-rw-r--r--drivers/char/hw_random/Kconfig25
-rw-r--r--drivers/char/hw_random/Makefile2
-rw-r--r--drivers/char/hw_random/msm-rng.c197
-rw-r--r--drivers/char/hw_random/omap3-rom-rng.c141
-rw-r--r--drivers/char/hw_random/pseries-rng.c5
-rw-r--r--drivers/char/hw_random/via-rng.c2
-rw-r--r--drivers/char/i8k.c7
-rw-r--r--drivers/char/tpm/tpm_ppi.c15
-rw-r--r--drivers/clk/clk-divider.c2
-rw-r--r--drivers/clk/clk-s2mps11.c6
-rw-r--r--drivers/clk/samsung/clk-exynos-audss.c10
-rw-r--r--drivers/clk/samsung/clk-exynos4.c2
-rw-r--r--drivers/clk/samsung/clk-exynos5250.c14
-rw-r--r--drivers/clk/samsung/clk-s3c64xx.c4
-rw-r--r--drivers/clocksource/Kconfig2
-rw-r--r--drivers/clocksource/clksrc-of.c1
-rw-r--r--drivers/clocksource/dw_apb_timer_of.c7
-rw-r--r--drivers/clocksource/sh_mtu2.c16
-rw-r--r--drivers/clocksource/sh_tmu.c20
-rw-r--r--drivers/clocksource/sun4i_timer.c3
-rw-r--r--drivers/clocksource/time-armada-370-xp.c10
-rw-r--r--drivers/cpufreq/at32ap-cpufreq.c2
-rw-r--r--drivers/cpufreq/cpufreq.c104
-rw-r--r--drivers/cpufreq/exynos4210-cpufreq.c1
-rw-r--r--drivers/cpufreq/exynos4x12-cpufreq.c1
-rw-r--r--drivers/cpufreq/exynos5250-cpufreq.c1
-rw-r--r--drivers/cpufreq/intel_pstate.c8
-rw-r--r--drivers/cpufreq/tegra-cpufreq.c4
-rw-r--r--drivers/cpuidle/cpuidle-calxeda.c2
-rw-r--r--drivers/cpuidle/cpuidle.c2
-rw-r--r--drivers/crypto/caam/Kconfig25
-rw-r--r--drivers/crypto/caam/Makefile4
-rw-r--r--drivers/crypto/caam/caamalg.c134
-rw-r--r--drivers/crypto/caam/caamhash.c88
-rw-r--r--drivers/crypto/caam/caamrng.c29
-rw-r--r--drivers/crypto/caam/ctrl.c418
-rw-r--r--drivers/crypto/caam/desc.h17
-rw-r--r--drivers/crypto/caam/intern.h20
-rw-r--r--drivers/crypto/caam/jr.c340
-rw-r--r--drivers/crypto/caam/jr.h5
-rw-r--r--drivers/crypto/caam/regs.h14
-rw-r--r--drivers/crypto/caam/sg_sw_sec4.h34
-rw-r--r--drivers/crypto/dcp.c49
-rw-r--r--drivers/crypto/ixp4xx_crypto.c30
-rw-r--r--drivers/crypto/mv_cesa.c14
-rw-r--r--drivers/crypto/omap-aes.c6
-rw-r--r--drivers/crypto/omap-sham.c1
-rw-r--r--drivers/crypto/picoxcell_crypto.c32
-rw-r--r--drivers/crypto/sahara.c2
-rw-r--r--drivers/crypto/talitos.c103
-rw-r--r--drivers/crypto/tegra-aes.c26
-rw-r--r--drivers/dma/Kconfig7
-rw-r--r--drivers/dma/amba-pl08x.c2
-rw-r--r--drivers/dma/at_hdmac_regs.h4
-rw-r--r--drivers/dma/dmaengine.c4
-rw-r--r--drivers/dma/dmatest.c8
-rw-r--r--drivers/dma/fsldma.c31
-rw-r--r--drivers/dma/ioat/dma.c11
-rw-r--r--drivers/dma/mmp_pdma.c1
-rw-r--r--drivers/dma/mv_xor.c101
-rw-r--r--drivers/dma/pl330.c5
-rw-r--r--drivers/dma/ppc4xx/adma.c27
-rw-r--r--drivers/dma/s3c24xx-dma.c33
-rw-r--r--drivers/dma/sh/rcar-hpbdma.c11
-rw-r--r--drivers/dma/txx9dmac.c1
-rw-r--r--drivers/edac/sb_edac.c2
-rw-r--r--drivers/extcon/extcon-arizona.c4
-rw-r--r--drivers/extcon/extcon-class.c3
-rw-r--r--drivers/firmware/Makefile1
-rw-r--r--drivers/firmware/efi/Kconfig6
-rw-r--r--drivers/firmware/efi/Makefile2
-rw-r--r--drivers/firmware/efi/efi-pstore.c164
-rw-r--r--drivers/firmware/efi/efivars.c12
-rw-r--r--drivers/firmware/efi/vars.c12
-rw-r--r--drivers/gpio/gpio-bcm-kona.c2
-rw-r--r--drivers/gpio/gpio-davinci.c4
-rw-r--r--drivers/gpio/gpio-mpc8xxx.c8
-rw-r--r--drivers/gpio/gpio-msm-v2.c6
-rw-r--r--drivers/gpio/gpio-mvebu.c2
-rw-r--r--drivers/gpio/gpio-pl061.c10
-rw-r--r--drivers/gpio/gpio-rcar.c5
-rw-r--r--drivers/gpio/gpio-tb10x.c1
-rw-r--r--drivers/gpio/gpio-twl4030.c26
-rw-r--r--drivers/gpio/gpio-ucb1400.c1
-rw-r--r--drivers/gpio/gpiolib.c78
-rw-r--r--drivers/gpu/drm/armada/armada_drm.h1
-rw-r--r--drivers/gpu/drm/armada/armada_drv.c7
-rw-r--r--drivers/gpu/drm/armada/armada_fbdev.c20
-rw-r--r--drivers/gpu/drm/armada/armada_gem.c7
-rw-r--r--drivers/gpu/drm/drm_edid.c12
-rw-r--r--drivers/gpu/drm/drm_stub.c6
-rw-r--r--drivers/gpu/drm/drm_sysfs.c2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c35
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c2
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c20
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c3
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h9
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c41
-rw-r--r--drivers/gpu/drm/i915/i915_gem_context.c16
-rw-r--r--drivers/gpu/drm/i915/i915_gem_dmabuf.c13
-rw-r--r--drivers/gpu/drm/i915/i915_gem_evict.c14
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c88
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c17
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h1
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c5
-rw-r--r--drivers/gpu/drm/i915/intel_display.c47
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c34
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h3
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c26
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c58
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c1
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c1
-rw-r--r--drivers/gpu/drm/nouveau/Makefile1
-rw-r--r--drivers/gpu/drm/nouveau/core/core/subdev.c3
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/device/base.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/device/nv50.c4
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/device/nvc0.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c3
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c3
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/software/nv50.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/include/subdev/clock.h4
-rw-r--r--drivers/gpu/drm/nouveau/core/include/subdev/fb.h5
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/bios/init.c14
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/clock/nv04.c7
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/clock/nvaa.c445
-rw-r--r--drivers/gpu/drm/nouveau/dispnv04/overlay.c42
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_abi16.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_acpi.c16
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c5
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_hwmon.c1
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c2
-rw-r--r--drivers/gpu/drm/qxl/Kconfig1
-rw-r--r--drivers/gpu/drm/qxl/qxl_display.c2
-rw-r--r--drivers/gpu/drm/qxl/qxl_release.c1
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c87
-rw-r--r--drivers/gpu/drm/radeon/atombios_i2c.c15
-rw-r--r--drivers/gpu/drm/radeon/cik.c12
-rw-r--r--drivers/gpu/drm/radeon/cik_sdma.c2
-rw-r--r--drivers/gpu/drm/radeon/dce6_afmt.c20
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c4
-rw-r--r--drivers/gpu/drm/radeon/ni.c20
-rw-r--r--drivers/gpu/drm/radeon/ni_dpm.c28
-rw-r--r--drivers/gpu/drm/radeon/r600_hdmi.c8
-rw-r--r--drivers/gpu/drm/radeon/radeon.h12
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_atpx_handler.c16
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c13
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.h3
-rw-r--r--drivers/gpu/drm/radeon/radeon_gart.c16
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c9
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c55
-rw-r--r--drivers/gpu/drm/radeon/radeon_trace.h33
-rw-r--r--drivers/gpu/drm/radeon/radeon_uvd.c2
-rw-r--r--drivers/gpu/drm/radeon/reg_srcs/cayman4
-rw-r--r--drivers/gpu/drm/radeon/reg_srcs/evergreen4
-rw-r--r--drivers/gpu/drm/radeon/rs690.c10
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c6
-rw-r--r--drivers/gpu/drm/radeon/si.c23
-rw-r--r--drivers/gpu/drm/tegra/drm.c34
-rw-r--r--drivers/gpu/drm/tegra/drm.h2
-rw-r--r--drivers/gpu/drm/tegra/fb.c2
-rw-r--r--drivers/gpu/drm/tegra/rgb.c11
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c3
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_vm.c6
-rw-r--r--drivers/gpu/drm/udl/udl_gem.c6
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c118
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c5
-rw-r--r--drivers/gpu/host1x/bus.c5
-rw-r--r--drivers/gpu/host1x/hw/cdma_hw.c4
-rw-r--r--drivers/gpu/host1x/hw/debug_hw.c4
-rw-r--r--drivers/hid/Kconfig1
-rw-r--r--drivers/hid/hid-appleir.c3
-rw-r--r--drivers/hid/hid-core.c2
-rw-r--r--drivers/hid/hid-ids.h5
-rw-r--r--drivers/hid/hid-kye.c14
-rw-r--r--drivers/hid/hid-multitouch.c6
-rw-r--r--drivers/hid/hid-sensor-hub.c22
-rw-r--r--drivers/hid/hid-sony.c53
-rw-r--r--drivers/hid/hid-wiimote-core.c5
-rw-r--r--drivers/hid/uhid.c2
-rw-r--r--drivers/hwmon/asus_atk0110.c1
-rw-r--r--drivers/hwmon/hih6130.c16
-rw-r--r--drivers/hwmon/lm78.c2
-rw-r--r--drivers/hwmon/lm90.c4
-rw-r--r--drivers/hwmon/sis5595.c2
-rw-r--r--drivers/hwmon/vt8231.c2
-rw-r--r--drivers/hwmon/w83l786ng.c13
-rw-r--r--drivers/i2c/busses/i2c-bcm-kona.c3
-rw-r--r--drivers/i2c/busses/i2c-bcm2835.c1
-rw-r--r--drivers/i2c/busses/i2c-davinci.c4
-rw-r--r--drivers/i2c/busses/i2c-diolan-u2c.c16
-rw-r--r--drivers/i2c/busses/i2c-imx.c4
-rw-r--r--drivers/i2c/busses/i2c-omap.c30
-rw-r--r--drivers/i2c/i2c-mux.c2
-rw-r--r--drivers/idle/intel_idle.c19
-rw-r--r--drivers/iio/accel/hid-sensor-accel-3d.c5
-rw-r--r--drivers/iio/accel/kxsd9.c7
-rw-r--r--drivers/iio/adc/ad7887.c16
-rw-r--r--drivers/iio/adc/at91_adc.c1
-rw-r--r--drivers/iio/adc/mcp3422.c8
-rw-r--r--drivers/iio/adc/ti_am335x_adc.c7
-rw-r--r--drivers/iio/common/hid-sensors/Kconfig9
-rw-r--r--drivers/iio/common/hid-sensors/hid-sensor-trigger.c29
-rw-r--r--drivers/iio/common/hid-sensors/hid-sensor-trigger.h2
-rw-r--r--drivers/iio/gyro/hid-sensor-gyro-3d.c5
-rw-r--r--drivers/iio/imu/adis16400_core.c7
-rw-r--r--drivers/iio/light/Kconfig3
-rw-r--r--drivers/iio/light/cm36651.c2
-rw-r--r--drivers/iio/light/hid-sensor-als.c5
-rw-r--r--drivers/iio/magnetometer/Kconfig2
-rw-r--r--drivers/iio/magnetometer/hid-sensor-magn-3d.c5
-rw-r--r--drivers/iio/magnetometer/mag3110.c7
-rw-r--r--drivers/infiniband/core/iwcm.c11
-rw-r--r--drivers/infiniband/core/uverbs.h10
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c17
-rw-r--r--drivers/infiniband/core/uverbs_main.c27
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c78
-rw-r--r--drivers/infiniband/hw/cxgb4/mem.c2
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_netlink.c3
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c22
-rw-r--r--drivers/input/input.c4
-rw-r--r--drivers/input/keyboard/adp5588-keys.c3
-rw-r--r--drivers/input/keyboard/adp5589-keys.c3
-rw-r--r--drivers/input/keyboard/bf54x-keys.c3
-rw-r--r--drivers/input/misc/adxl34x.c2
-rw-r--r--drivers/input/misc/hp_sdc_rtc.c5
-rw-r--r--drivers/input/misc/pcf8574_keypad.c7
-rw-r--r--drivers/input/mouse/alps.c206
-rw-r--r--drivers/input/mouse/alps.h1
-rw-r--r--drivers/input/mouse/elantech.c1
-rw-r--r--drivers/input/serio/serio.c24
-rw-r--r--drivers/input/touchscreen/Kconfig11
-rw-r--r--drivers/input/touchscreen/Makefile1
-rw-r--r--drivers/input/touchscreen/atmel-wm97xx.c2
-rw-r--r--drivers/input/touchscreen/cyttsp4_core.c3
-rw-r--r--drivers/input/touchscreen/sur40.c466
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c22
-rw-r--r--drivers/input/touchscreen/zforce_ts.c21
-rw-r--r--drivers/iommu/arm-smmu.c66
-rw-r--r--drivers/irqchip/irq-gic.c9
-rw-r--r--drivers/irqchip/irq-renesas-intc-irqpin.c8
-rw-r--r--drivers/isdn/hisax/hfc_pci.c4
-rw-r--r--drivers/isdn/hisax/telespci.c4
-rw-r--r--drivers/leds/leds-lp5521.c12
-rw-r--r--drivers/leds/leds-lp5523.c12
-rw-r--r--drivers/leds/leds-pwm.c53
-rw-r--r--drivers/macintosh/Makefile1
-rw-r--r--drivers/md/bcache/alloc.c2
-rw-r--r--drivers/md/bcache/bcache.h12
-rw-r--r--drivers/md/bcache/btree.c27
-rw-r--r--drivers/md/bcache/movinggc.c21
-rw-r--r--drivers/md/bcache/super.c2
-rw-r--r--drivers/md/bcache/sysfs.c50
-rw-r--r--drivers/md/bcache/util.c8
-rw-r--r--drivers/md/bcache/util.h2
-rw-r--r--drivers/md/bcache/writeback.c53
-rw-r--r--drivers/md/dm-bufio.c5
-rw-r--r--drivers/md/dm-cache-policy-mq.c13
-rw-r--r--drivers/md/dm-cache-target.c2
-rw-r--r--drivers/md/dm-delay.c23
-rw-r--r--drivers/md/dm-snap.c71
-rw-r--r--drivers/md/dm-stats.c1
-rw-r--r--drivers/md/dm-table.c5
-rw-r--r--drivers/md/dm-thin-metadata.c8
-rw-r--r--drivers/md/dm-thin-metadata.h1
-rw-r--r--drivers/md/dm-thin.c66
-rw-r--r--drivers/md/md.c14
-rw-r--r--drivers/md/persistent-data/dm-array.c10
-rw-r--r--drivers/md/persistent-data/dm-block-manager.c6
-rw-r--r--drivers/md/persistent-data/dm-block-manager.h7
-rw-r--r--drivers/md/persistent-data/dm-space-map-common.c32
-rw-r--r--drivers/md/persistent-data/dm-space-map-metadata.c8
-rw-r--r--drivers/md/raid5.c13
-rw-r--r--drivers/media/common/siano/smscoreapi.h4
-rw-r--r--drivers/media/common/siano/smsdvb.h2
-rw-r--r--drivers/media/dvb-core/dvb_demux.c9
-rw-r--r--drivers/media/dvb-frontends/af9033.c12
-rw-r--r--drivers/media/dvb-frontends/cxd2820r_c.c2
-rw-r--r--drivers/media/dvb-frontends/dib8000.c4
-rw-r--r--drivers/media/dvb-frontends/drxk_hard.c18
-rw-r--r--drivers/media/dvb-frontends/rtl2830.c1
-rw-r--r--drivers/media/i2c/adv7183_regs.h6
-rw-r--r--drivers/media/i2c/adv7604.c2
-rw-r--r--drivers/media/i2c/adv7842.c2
-rw-r--r--drivers/media/i2c/ir-kbd-i2c.c2
-rw-r--r--drivers/media/i2c/m5mols/m5mols_controls.c2
-rw-r--r--drivers/media/i2c/mt9p031.c1
-rw-r--r--drivers/media/i2c/s5c73m3/s5c73m3-core.c2
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-rw-r--r--drivers/spi/Kconfig16
-rw-r--r--drivers/spi/Makefile1
-rw-r--r--drivers/spi/spi-altera.c2
-rw-r--r--drivers/spi/spi-ath79.c14
-rw-r--r--drivers/spi/spi-atmel.c778
-rw-r--r--drivers/spi/spi-bcm2835.c12
-rw-r--r--drivers/spi/spi-bcm63xx-hsspi.c475
-rw-r--r--drivers/spi/spi-bcm63xx.c50
-rw-r--r--drivers/spi/spi-bitbang-txrx.h2
-rw-r--r--drivers/spi/spi-clps711x.c23
-rw-r--r--drivers/spi/spi-coldfire-qspi.c53
-rw-r--r--drivers/spi/spi-davinci.c49
-rw-r--r--drivers/spi/spi-dw-mmio.c74
-rw-r--r--drivers/spi/spi-dw-pci.c47
-rw-r--r--drivers/spi/spi-dw.c26
-rw-r--r--drivers/spi/spi-dw.h5
-rw-r--r--drivers/spi/spi-falcon.c12
-rw-r--r--drivers/spi/spi-fsl-dspi.c5
-rw-r--r--drivers/spi/spi-fsl-espi.c63
-rw-r--r--drivers/spi/spi-gpio.c8
-rw-r--r--drivers/spi/spi-imx.c27
-rw-r--r--drivers/spi/spi-mpc512x-psc.c20
-rw-r--r--drivers/spi/spi-mxs.c11
-rw-r--r--drivers/spi/spi-nuc900.c56
-rw-r--r--drivers/spi/spi-oc-tiny.c62
-rw-r--r--drivers/spi/spi-omap-100k.c20
-rw-r--r--drivers/spi/spi-omap2-mcspi.c38
-rw-r--r--drivers/spi/spi-orion.c4
-rw-r--r--drivers/spi/spi-pxa2xx-pci.c2
-rw-r--r--drivers/spi/spi-pxa2xx.c9
-rw-r--r--drivers/spi/spi-rspi.c366
-rw-r--r--drivers/spi/spi-s3c24xx.c74
-rw-r--r--drivers/spi/spi-s3c64xx.c5
-rw-r--r--drivers/spi/spi-sc18is602.c3
-rw-r--r--drivers/spi/spi-sh-hspi.c4
-rw-r--r--drivers/spi/spi-sh-msiof.c62
-rw-r--r--drivers/spi/spi-sh.c13
-rw-r--r--drivers/spi/spi-sirf.c7
-rw-r--r--drivers/spi/spi-tegra114.c98
-rw-r--r--drivers/spi/spi-tegra20-sflash.c22
-rw-r--r--drivers/spi/spi-tegra20-slink.c97
-rw-r--r--drivers/spi/spi-ti-qspi.c138
-rw-r--r--drivers/spi/spi-topcliff-pch.c8
-rw-r--r--drivers/spi/spi-txx9.c10
-rw-r--r--drivers/spi/spi-xcomm.c12
-rw-r--r--drivers/spi/spi.c76
-rw-r--r--drivers/staging/bcm/Bcmnet.c3
-rw-r--r--drivers/staging/btmtk_usb/btmtk_usb.c3
-rw-r--r--drivers/staging/comedi/drivers.c2
-rw-r--r--drivers/staging/comedi/drivers/8255_pci.c15
-rw-r--r--drivers/staging/comedi/drivers/pcl730.c6
-rw-r--r--drivers/staging/comedi/drivers/s626.c2
-rw-r--r--drivers/staging/comedi/drivers/vmk80xx.c2
-rw-r--r--drivers/staging/ft1000/ft1000-usb/ft1000_download.c3
-rw-r--r--drivers/staging/iio/magnetometer/Kconfig2
-rw-r--r--drivers/staging/iio/magnetometer/hmc5843.c7
-rw-r--r--drivers/staging/imx-drm/Makefile4
-rw-r--r--drivers/staging/imx-drm/imx-drm-core.c40
-rw-r--r--drivers/staging/imx-drm/imx-tve.c9
-rw-r--r--drivers/staging/imx-drm/ipu-v3/ipu-common.c32
-rw-r--r--drivers/staging/lustre/lustre/ptlrpc/pinger.c4
-rw-r--r--drivers/staging/media/go7007/go7007-usb.c28
-rw-r--r--drivers/staging/netlogic/xlr_net.c3
-rw-r--r--drivers/staging/nvec/nvec.c3
-rw-r--r--drivers/staging/rtl8188eu/core/rtw_ap.c3
-rw-r--r--drivers/staging/rtl8188eu/os_dep/os_intfs.c3
-rw-r--r--drivers/staging/tidspbridge/Kconfig2
-rw-r--r--drivers/staging/tidspbridge/rmgr/drv_interface.c13
-rw-r--r--drivers/staging/vt6655/hostap.c3
-rw-r--r--drivers/staging/vt6656/baseband.c11
-rw-r--r--drivers/staging/vt6656/hostap.c3
-rw-r--r--drivers/staging/vt6656/rndis.h2
-rw-r--r--drivers/staging/zram/zram_drv.c19
-rw-r--r--drivers/staging/zsmalloc/zsmalloc-main.c17
-rw-r--r--drivers/target/iscsi/iscsi_target.c27
-rw-r--r--drivers/target/iscsi/iscsi_target_configfs.c3
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c6
-rw-r--r--drivers/target/target_core_device.c5
-rw-r--r--drivers/target/target_core_file.c8
-rw-r--r--drivers/target/target_core_file.h5
-rw-r--r--drivers/target/target_core_tpg.c10
-rw-r--r--drivers/tty/amiserial.c3
-rw-r--r--drivers/tty/n_tty.c27
-rw-r--r--drivers/tty/serial/8250/8250_dw.c8
-rw-r--r--drivers/tty/serial/8250/Kconfig2
-rw-r--r--drivers/tty/serial/pmac_zilog.c3
-rw-r--r--drivers/tty/serial/xilinx_uartps.c2
-rw-r--r--drivers/tty/tty_io.c1
-rw-r--r--drivers/tty/tty_ldsem.c16
-rw-r--r--drivers/uio/uio.c2
-rw-r--r--drivers/usb/chipidea/core.c4
-rw-r--r--drivers/usb/chipidea/host.c3
-rw-r--r--drivers/usb/chipidea/udc.c3
-rw-r--r--drivers/usb/class/cdc-acm.c2
-rw-r--r--drivers/usb/class/cdc-wdm.c8
-rw-r--r--drivers/usb/core/hub.c5
-rw-r--r--drivers/usb/dwc3/core.c8
-rw-r--r--drivers/usb/dwc3/ep0.c2
-rw-r--r--drivers/usb/dwc3/gadget.c5
-rw-r--r--drivers/usb/gadget/Kconfig1
-rw-r--r--drivers/usb/gadget/composite.c1
-rw-r--r--drivers/usb/gadget/f_fs.c2
-rw-r--r--drivers/usb/gadget/f_mass_storage.c27
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c1
-rw-r--r--drivers/usb/gadget/s3c-hsotg.c7
-rw-r--r--drivers/usb/gadget/storage_common.h4
-rw-r--r--drivers/usb/gadget/tcm_usb_gadget.c2
-rw-r--r--drivers/usb/gadget/zero.c6
-rw-r--r--drivers/usb/host/ohci-at91.c26
-rw-r--r--drivers/usb/host/ohci-pxa27x.c1
-rw-r--r--drivers/usb/host/xhci-pci.c7
-rw-r--r--drivers/usb/host/xhci-ring.c54
-rw-r--r--drivers/usb/musb/musb_core.c9
-rw-r--r--drivers/usb/musb/musb_cppi41.c164
-rw-r--r--drivers/usb/musb/musb_gadget.c4
-rw-r--r--drivers/usb/phy/Kconfig4
-rw-r--r--drivers/usb/phy/phy-am335x.c5
-rw-r--r--drivers/usb/phy/phy-generic.c68
-rw-r--r--drivers/usb/phy/phy-generic.h4
-rw-r--r--drivers/usb/phy/phy-mxs-usb.c2
-rw-r--r--drivers/usb/phy/phy-rcar-gen2-usb.c4
-rw-r--r--drivers/usb/phy/phy-tegra-usb.c2
-rw-r--r--drivers/usb/phy/phy-twl6030-usb.c3
-rw-r--r--drivers/usb/serial/ftdi_sio.c37
-rw-r--r--drivers/usb/serial/generic.c12
-rw-r--r--drivers/usb/serial/mos7840.c32
-rw-r--r--drivers/usb/serial/option.c29
-rw-r--r--drivers/usb/serial/pl2303.c30
-rw-r--r--drivers/usb/serial/spcp8x5.c30
-rw-r--r--drivers/usb/serial/zte_ev.c3
-rw-r--r--drivers/usb/wusbcore/devconnect.c72
-rw-r--r--drivers/usb/wusbcore/security.c98
-rw-r--r--drivers/usb/wusbcore/wusbhc.h6
-rw-r--r--drivers/video/atmel_lcdfb.c1
-rw-r--r--drivers/video/kyro/fbdev.c6
-rw-r--r--drivers/video/offb.c29
-rw-r--r--drivers/video/omap2/displays-new/panel-sony-acx565akm.c5
-rw-r--r--drivers/video/sh_mobile_meram.c2
-rw-r--r--drivers/video/vt8500lcdfb.c25
-rw-r--r--drivers/virtio/virtio_balloon.c2
-rw-r--r--drivers/watchdog/bcm2835_wdt.c1
-rw-r--r--drivers/watchdog/ep93xx_wdt.c1
-rw-r--r--drivers/watchdog/ie6xx_wdt.c1
-rw-r--r--drivers/watchdog/jz4740_wdt.c1
-rw-r--r--drivers/watchdog/kempld_wdt.c1
-rw-r--r--drivers/watchdog/max63xx_wdt.c1
-rw-r--r--drivers/watchdog/orion_wdt.c1
-rw-r--r--drivers/watchdog/pnx4008_wdt.c1
-rw-r--r--drivers/watchdog/rt2880_wdt.c1
-rw-r--r--drivers/watchdog/sc1200wdt.c3
-rw-r--r--drivers/watchdog/shwdt.c1
-rw-r--r--drivers/watchdog/softdog.c1
-rw-r--r--drivers/watchdog/stmp3xxx_rtc_wdt.c1
-rw-r--r--drivers/watchdog/txx9wdt.c1
-rw-r--r--drivers/watchdog/ux500_wdt.c1
-rw-r--r--drivers/xen/balloon.c63
-rw-r--r--drivers/xen/grant-table.c9
-rw-r--r--drivers/xen/privcmd.c9
-rw-r--r--drivers/xen/swiotlb-xen.c5
795 files changed, 10933 insertions, 5845 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 5d9248526d78..4770de5707b9 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -348,7 +348,6 @@ source "drivers/acpi/apei/Kconfig"
config ACPI_EXTLOG
tristate "Extended Error Log support"
depends on X86_MCE && X86_LOCAL_APIC
- select EFI
select UEFI_CPER
default n
help
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 8711e3797165..3c2e4aa529c4 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -207,7 +207,7 @@ static int acpi_ac_probe(struct platform_device *pdev)
goto end;
result = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev),
- ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler, ac);
+ ACPI_ALL_NOTIFY, acpi_ac_notify_handler, ac);
if (result) {
power_supply_unregister(&ac->charger);
goto end;
@@ -255,7 +255,7 @@ static int acpi_ac_remove(struct platform_device *pdev)
return -EINVAL;
acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
- ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler);
+ ACPI_ALL_NOTIFY, acpi_ac_notify_handler);
ac = platform_get_drvdata(pdev);
if (ac->charger.dev)
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 6745fe137b9e..e60390597372 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -162,6 +162,7 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
{ "80860F14", (unsigned long)&byt_sdio_dev_desc },
{ "80860F41", (unsigned long)&byt_i2c_dev_desc },
{ "INT33B2", },
+ { "INT33FC", },
{ "INT3430", (unsigned long)&lpt_dev_desc },
{ "INT3431", (unsigned long)&lpt_dev_desc },
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index f691d0e4d9fa..ff97430455cb 100644
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -184,7 +184,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
struct acpi_buffer *output_buffer);
acpi_status
-acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
+acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
struct acpi_buffer *output_buffer);
acpi_status
@@ -227,8 +227,8 @@ acpi_rs_get_list_length(u8 * aml_buffer,
u32 aml_buffer_length, acpi_size * size_needed);
acpi_status
-acpi_rs_get_aml_length(struct acpi_resource *linked_list_buffer,
- acpi_size * size_needed);
+acpi_rs_get_aml_length(struct acpi_resource *resource_list,
+ acpi_size resource_list_size, acpi_size * size_needed);
acpi_status
acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
index 243737363fb8..fd1ff54cda19 100644
--- a/drivers/acpi/acpica/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -106,6 +106,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
void acpi_ns_delete_node(struct acpi_namespace_node *node)
{
union acpi_operand_object *obj_desc;
+ union acpi_operand_object *next_desc;
ACPI_FUNCTION_NAME(ns_delete_node);
@@ -114,12 +115,13 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
acpi_ns_detach_object(node);
/*
- * Delete an attached data object if present (an object that was created
- * and attached via acpi_attach_data). Note: After any normal object is
- * detached above, the only possible remaining object is a data object.
+ * Delete an attached data object list if present (objects that were
+ * attached via acpi_attach_data). Note: After any normal object is
+ * detached above, the only possible remaining object(s) are data
+ * objects, in a linked list.
*/
obj_desc = node->object;
- if (obj_desc && (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) {
+ while (obj_desc && (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) {
/* Invoke the attached data deletion handler if present */
@@ -127,7 +129,15 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
obj_desc->data.handler(node, obj_desc->data.pointer);
}
+ next_desc = obj_desc->common.next_object;
acpi_ut_remove_reference(obj_desc);
+ obj_desc = next_desc;
+ }
+
+ /* Special case for the statically allocated root node */
+
+ if (node == acpi_gbl_root_node) {
+ return;
}
/* Now we can delete the node */
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index cc2fea94c5f0..4a0665b6bcc1 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -593,24 +593,26 @@ struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle)
void acpi_ns_terminate(void)
{
- union acpi_operand_object *obj_desc;
+ acpi_status status;
ACPI_FUNCTION_TRACE(ns_terminate);
/*
- * 1) Free the entire namespace -- all nodes and objects
- *
- * Delete all object descriptors attached to namepsace nodes
+ * Free the entire namespace -- all nodes and all objects
+ * attached to the nodes
*/
acpi_ns_delete_namespace_subtree(acpi_gbl_root_node);
- /* Detach any objects attached to the root */
+ /* Delete any objects attached to the root node */
- obj_desc = acpi_ns_get_attached_object(acpi_gbl_root_node);
- if (obj_desc) {
- acpi_ns_detach_object(acpi_gbl_root_node);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
}
+ acpi_ns_delete_node(acpi_gbl_root_node);
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace freed\n"));
return_VOID;
}
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index b62a0f4f4f9b..b60c9cf82862 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -174,6 +174,7 @@ acpi_rs_stream_option_length(u32 resource_length,
* FUNCTION: acpi_rs_get_aml_length
*
* PARAMETERS: resource - Pointer to the resource linked list
+ * resource_list_size - Size of the resource linked list
* size_needed - Where the required size is returned
*
* RETURN: Status
@@ -185,16 +186,20 @@ acpi_rs_stream_option_length(u32 resource_length,
******************************************************************************/
acpi_status
-acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
+acpi_rs_get_aml_length(struct acpi_resource *resource,
+ acpi_size resource_list_size, acpi_size * size_needed)
{
acpi_size aml_size_needed = 0;
+ struct acpi_resource *resource_end;
acpi_rs_length total_size;
ACPI_FUNCTION_TRACE(rs_get_aml_length);
/* Traverse entire list of internal resource descriptors */
- while (resource) {
+ resource_end =
+ ACPI_ADD_PTR(struct acpi_resource, resource, resource_list_size);
+ while (resource < resource_end) {
/* Validate the descriptor type */
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index 65f3e1c5b598..3a2ace93e62c 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -418,22 +418,21 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
*
* FUNCTION: acpi_rs_create_aml_resources
*
- * PARAMETERS: linked_list_buffer - Pointer to the resource linked list
- * output_buffer - Pointer to the user's buffer
+ * PARAMETERS: resource_list - Pointer to the resource list buffer
+ * output_buffer - Where the AML buffer is returned
*
* RETURN: Status AE_OK if okay, else a valid acpi_status code.
* If the output_buffer is too small, the error will be
* AE_BUFFER_OVERFLOW and output_buffer->Length will point
* to the size buffer needed.
*
- * DESCRIPTION: Takes the linked list of device resources and
- * creates a bytestream to be used as input for the
- * _SRS control method.
+ * DESCRIPTION: Converts a list of device resources to an AML bytestream
+ * to be used as input for the _SRS control method.
*
******************************************************************************/
acpi_status
-acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
+acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
struct acpi_buffer *output_buffer)
{
acpi_status status;
@@ -441,16 +440,16 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
ACPI_FUNCTION_TRACE(rs_create_aml_resources);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
- linked_list_buffer));
+ /* Params already validated, no need to re-validate here */
- /*
- * Params already validated, so we don't re-validate here
- *
- * Pass the linked_list_buffer into a module that calculates
- * the buffer size needed for the byte stream.
- */
- status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ResourceList Buffer = %p\n",
+ resource_list->pointer));
+
+ /* Get the buffer size needed for the AML byte stream */
+
+ status = acpi_rs_get_aml_length(resource_list->pointer,
+ resource_list->length,
+ &aml_size_needed);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
(u32)aml_size_needed, acpi_format_exception(status)));
@@ -467,10 +466,9 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
/* Do the conversion */
- status =
- acpi_rs_convert_resources_to_aml(linked_list_buffer,
- aml_size_needed,
- output_buffer->pointer);
+ status = acpi_rs_convert_resources_to_aml(resource_list->pointer,
+ aml_size_needed,
+ output_buffer->pointer);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c
index aef303d56d86..14a7982c9961 100644
--- a/drivers/acpi/acpica/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -753,7 +753,7 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
* Convert the linked list into a byte stream
*/
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
- status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer);
+ status = acpi_rs_create_aml_resources(in_buffer, &buffer);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 1a67b3944b3b..03ae8affe48f 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -185,6 +185,7 @@ acpi_debug_print(u32 requested_debug_level,
}
acpi_gbl_prev_thread_id = thread_id;
+ acpi_gbl_nesting_level = 0;
}
/*
@@ -193,13 +194,21 @@ acpi_debug_print(u32 requested_debug_level,
*/
acpi_os_printf("%9s-%04ld ", module_name, line_number);
+#ifdef ACPI_EXEC_APP
+ /*
+ * For acpi_exec only, emit the thread ID and nesting level.
+ * Note: nesting level is really only useful during a single-thread
+ * execution. Otherwise, multiple threads will keep resetting the
+ * level.
+ */
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf("[%u] ", (u32)thread_id);
}
- acpi_os_printf("[%02ld] %-22.22s: ",
- acpi_gbl_nesting_level,
- acpi_ut_trim_function_name(function_name));
+ acpi_os_printf("[%02ld] ", acpi_gbl_nesting_level);
+#endif
+
+ acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
va_start(args, format);
acpi_os_vprintf(format, args);
@@ -420,7 +429,9 @@ acpi_ut_exit(u32 line_number,
component_id, "%s\n", acpi_gbl_fn_exit_str);
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_exit)
@@ -467,7 +478,9 @@ acpi_ut_status_exit(u32 line_number,
}
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
@@ -504,7 +517,9 @@ acpi_ut_value_exit(u32 line_number,
ACPI_FORMAT_UINT64(value));
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
@@ -540,7 +555,9 @@ acpi_ut_ptr_exit(u32 line_number,
ptr);
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
#endif
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index 786294bb682c..3650b2183227 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -2,7 +2,6 @@ config ACPI_APEI
bool "ACPI Platform Error Interface (APEI)"
select MISC_FILESYSTEMS
select PSTORE
- select EFI
select UEFI_CPER
depends on X86
help
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 26311f23c824..cb1d557fc22c 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -942,6 +942,7 @@ static int erst_clearer(enum pstore_type_id type, u64 id, int count,
static struct pstore_info erst_info = {
.owner = THIS_MODULE,
.name = "erst",
+ .flags = PSTORE_FLAGS_FRAGILE,
.open = erst_open_pstore,
.close = erst_close_pstore,
.read = erst_reader,
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index fbf1aceda8b8..5876a49dfd38 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -62,6 +62,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");
MODULE_DESCRIPTION("ACPI Battery Driver");
MODULE_LICENSE("GPL");
+static int battery_bix_broken_package;
static unsigned int cache_time = 1000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
@@ -416,7 +417,12 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s", name));
return -ENODEV;
}
- if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags))
+
+ if (battery_bix_broken_package)
+ result = extract_package(battery, buffer.pointer,
+ extended_info_offsets + 1,
+ ARRAY_SIZE(extended_info_offsets) - 1);
+ else if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags))
result = extract_package(battery, buffer.pointer,
extended_info_offsets,
ARRAY_SIZE(extended_info_offsets));
@@ -754,6 +760,17 @@ static int battery_notify(struct notifier_block *nb,
return 0;
}
+static struct dmi_system_id bat_dmi_table[] = {
+ {
+ .ident = "NEC LZ750/LS",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"),
+ },
+ },
+ {},
+};
+
static int acpi_battery_add(struct acpi_device *device)
{
int result = 0;
@@ -846,6 +863,9 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
{
if (acpi_disabled)
return;
+
+ if (dmi_check_system(bat_dmi_table))
+ battery_bix_broken_package = 1;
acpi_bus_register_driver(&acpi_battery_driver);
}
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index bba9b72e25f8..0710004055c8 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -156,6 +156,16 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data)
}
EXPORT_SYMBOL(acpi_bus_get_private_data);
+void acpi_bus_no_hotplug(acpi_handle handle)
+{
+ struct acpi_device *adev = NULL;
+
+ acpi_bus_get_device(handle, &adev);
+ if (adev)
+ adev->flags.no_hotplug = true;
+}
+EXPORT_SYMBOL_GPL(acpi_bus_no_hotplug);
+
static void acpi_print_osc_error(acpi_handle handle,
struct acpi_osc_context *context, char *error)
{
diff --git a/drivers/acpi/nvs.c b/drivers/acpi/nvs.c
index 266bc58ce0ce..386a9fe497b4 100644
--- a/drivers/acpi/nvs.c
+++ b/drivers/acpi/nvs.c
@@ -13,7 +13,6 @@
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/acpi_io.h>
-#include <acpi/acpiosxf.h>
/* ACPI NVS regions, APEI may use it */
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 0703bff5e60e..20360e480bd8 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -65,6 +65,9 @@ static struct acpi_scan_handler pci_root_handler = {
.ids = root_device_ids,
.attach = acpi_pci_root_add,
.detach = acpi_pci_root_remove,
+ .hotplug = {
+ .ignore = true,
+ },
};
static DEFINE_MUTEX(osc_lock);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 15daa21fcd05..fd39459926b1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1772,7 +1772,7 @@ static void acpi_scan_init_hotplug(acpi_handle handle, int type)
*/
list_for_each_entry(hwid, &pnp.ids, list) {
handler = acpi_scan_match_handler(hwid->id, NULL);
- if (handler) {
+ if (handler && !handler->hotplug.ignore) {
acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
acpi_hotplug_notify_cb, handler);
break;
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 14df30580e15..721e949e606e 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -525,7 +525,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
* generate wakeup events.
*/
if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) {
- acpi_event_status pwr_btn_status;
+ acpi_event_status pwr_btn_status = ACPI_EVENT_FLAG_DISABLED;
acpi_get_event_status(ACPI_EVENT_POWER_BUTTON, &pwr_btn_status);
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index db5293650f62..6dbc3ca45223 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -309,7 +309,7 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
sprintf(table_attr->name + ACPI_NAME_SIZE, "%d",
table_attr->instance);
- table_attr->attr.size = 0;
+ table_attr->attr.size = table_header->length;
table_attr->attr.read = acpi_table_show;
table_attr->attr.attr.name = table_attr->name;
table_attr->attr.attr.mode = 0400;
@@ -354,8 +354,9 @@ static int acpi_tables_sysfs_init(void)
{
struct acpi_table_attr *table_attr;
struct acpi_table_header *table_header = NULL;
- int table_index = 0;
- int result;
+ int table_index;
+ acpi_status status;
+ int ret;
tables_kobj = kobject_create_and_add("tables", acpi_kobj);
if (!tables_kobj)
@@ -365,33 +366,34 @@ static int acpi_tables_sysfs_init(void)
if (!dynamic_tables_kobj)
goto err_dynamic_tables;
- do {
- result = acpi_get_table_by_index(table_index, &table_header);
- if (!result) {
- table_index++;
- table_attr = NULL;
- table_attr =
- kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
- if (!table_attr)
- return -ENOMEM;
-
- acpi_table_attr_init(table_attr, table_header);
- result =
- sysfs_create_bin_file(tables_kobj,
- &table_attr->attr);
- if (result) {
- kfree(table_attr);
- return result;
- } else
- list_add_tail(&table_attr->node,
- &acpi_table_attr_list);
+ for (table_index = 0;; table_index++) {
+ status = acpi_get_table_by_index(table_index, &table_header);
+
+ if (status == AE_BAD_PARAMETER)
+ break;
+
+ if (ACPI_FAILURE(status))
+ continue;
+
+ table_attr = NULL;
+ table_attr = kzalloc(sizeof(*table_attr), GFP_KERNEL);
+ if (!table_attr)
+ return -ENOMEM;
+
+ acpi_table_attr_init(table_attr, table_header);
+ ret = sysfs_create_bin_file(tables_kobj, &table_attr->attr);
+ if (ret) {
+ kfree(table_attr);
+ return ret;
}
- } while (!result);
+ list_add_tail(&table_attr->node, &acpi_table_attr_list);
+ }
+
kobject_uevent(tables_kobj, KOBJ_ADD);
kobject_uevent(dynamic_tables_kobj, KOBJ_ADD);
- result = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
+ status = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
- return result == AE_OK ? 0 : -EINVAL;
+ return ACPI_FAILURE(status) ? -EINVAL : 0;
err_dynamic_tables:
kobject_put(tables_kobj);
err:
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index e2903d03180e..e3a92a6da39a 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -427,6 +427,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs }, /* 88se9128 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
.driver_data = board_ahci_yes_fbs }, /* 88se9125 */
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
+ PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
+ .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
.driver_data = board_ahci_yes_fbs }, /* 88se9172 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
@@ -435,6 +438,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
.driver_data = board_ahci_yes_fbs },
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
+ .driver_data = board_ahci_yes_fbs },
/* Promise */
{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
@@ -1236,15 +1241,6 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
return rc;
- /* AHCI controllers often implement SFF compatible interface.
- * Grab all PCI BARs just in case.
- */
- rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
- if (rc == -EBUSY)
- pcim_pin_device(pdev);
- if (rc)
- return rc;
-
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == 0x2652 || pdev->device == 0x2653)) {
u8 map;
@@ -1261,6 +1257,15 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
}
}
+ /* AHCI controllers often implement SFF compatible interface.
+ * Grab all PCI BARs just in case.
+ */
+ rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
+ if (rc == -EBUSY)
+ pcim_pin_device(pdev);
+ if (rc)
+ return rc;
+
hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
if (!hpriv)
return -ENOMEM;
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index ae2d73fe321e..3e23e9941dad 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -113,7 +113,7 @@ static int imx6q_sata_init(struct device *dev, void __iomem *mmio)
/*
* set PHY Paremeters, two steps to configure the GPR13,
* one write for rest of parameters, mask of first write
- * is 0x07fffffd, and the other one write for setting
+ * is 0x07ffffff, and the other one write for setting
* the mpll_clk_en.
*/
regmap_update_bits(imxpriv->gpr, 0x34, IMX6Q_GPR13_SATA_RX_EQ_VAL_MASK
@@ -124,6 +124,7 @@ static int imx6q_sata_init(struct device *dev, void __iomem *mmio)
| IMX6Q_GPR13_SATA_TX_ATTEN_MASK
| IMX6Q_GPR13_SATA_TX_BOOST_MASK
| IMX6Q_GPR13_SATA_TX_LVL_MASK
+ | IMX6Q_GPR13_SATA_MPLL_CLK_EN
| IMX6Q_GPR13_SATA_TX_EDGE_RATE
, IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB
| IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index f9554318504f..4b231baceb09 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -329,6 +329,7 @@ static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_suspend, ahci_resume);
static const struct of_device_id ahci_of_match[] = {
{ .compatible = "snps,spear-ahci", },
{ .compatible = "snps,exynos5440-ahci", },
+ { .compatible = "ibm,476gtr-ahci", },
{},
};
MODULE_DEVICE_TABLE(of, ahci_of_match);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 81a94a3919db..1393a5890ed5 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2149,9 +2149,16 @@ static int ata_dev_config_ncq(struct ata_device *dev,
"failed to get NCQ Send/Recv Log Emask 0x%x\n",
err_mask);
} else {
+ u8 *cmds = dev->ncq_send_recv_cmds;
+
dev->flags |= ATA_DFLAG_NCQ_SEND_RECV;
- memcpy(dev->ncq_send_recv_cmds, ap->sector_buf,
- ATA_LOG_NCQ_SEND_RECV_SIZE);
+ memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_SEND_RECV_SIZE);
+
+ if (dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) {
+ ata_dev_dbg(dev, "disabling queued TRIM support\n");
+ cmds[ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET] &=
+ ~ATA_LOG_NCQ_SEND_RECV_DSM_TRIM;
+ }
}
}
@@ -4156,6 +4163,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ |
ATA_HORKAGE_FIRMWARE_WARN },
+ /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */
+ { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA },
+
/* Blacklist entries taken from Silicon Image 3124/3132
Windows driver .inf file - also several Linux problem reports */
{ "HTS541060G9SA00", "MB3OC60D", ATA_HORKAGE_NONCQ, },
@@ -4202,6 +4212,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER },
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
+ /* devices that don't properly handle queued TRIM commands */
+ { "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Crucial_CT???M500SSD1", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+
/* End Marker */
{ }
};
@@ -6304,10 +6318,9 @@ static void ata_port_detach(struct ata_port *ap)
for (i = 0; i < SATA_PMP_MAX_PORTS; i++)
ata_tlink_delete(&ap->pmp_link[i]);
}
- ata_tport_delete(ap);
-
/* remove the associated SCSI host */
scsi_remove_host(ap->scsi_host);
+ ata_tport_delete(ap);
}
/**
@@ -6520,6 +6533,7 @@ static int __init ata_parse_force_one(char **cur,
{ "norst", .lflags = ATA_LFLAG_NO_HRST | ATA_LFLAG_NO_SRST },
{ "rstonce", .lflags = ATA_LFLAG_RST_ONCE },
{ "atapi_dmadir", .horkage_on = ATA_HORKAGE_ATAPI_DMADIR },
+ { "disable", .horkage_on = ATA_HORKAGE_DISABLE },
};
char *start = *cur, *p = *cur;
char *id, *val, *endp;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index db6dfcfa3e2e..377eb889f555 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3625,6 +3625,7 @@ int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht)
shost->max_lun = 1;
shost->max_channel = 1;
shost->max_cmd_len = 16;
+ shost->no_write_same = 1;
/* Schedule policy is determined by ->qc_defer()
* callback and it needs to see every deferred qc.
@@ -3871,6 +3872,27 @@ void ata_scsi_hotplug(struct work_struct *work)
return;
}
+ /*
+ * XXX - UGLY HACK
+ *
+ * The block layer suspend/resume path is fundamentally broken due
+ * to freezable kthreads and workqueue and may deadlock if a block
+ * device gets removed while resume is in progress. I don't know
+ * what the solution is short of removing freezable kthreads and
+ * workqueues altogether.
+ *
+ * The following is an ugly hack to avoid kicking off device
+ * removal while freezer is active. This is a joke but does avoid
+ * this particular deadlock scenario.
+ *
+ * https://bugzilla.kernel.org/show_bug.cgi?id=62801
+ * http://marc.info/?l=linux-kernel&m=138695698516487
+ */
+#ifdef CONFIG_FREEZER
+ while (pm_freezing)
+ msleep(10);
+#endif
+
DPRINTK("ENTER\n");
mutex_lock(&ap->scsi_scan_mutex);
diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index 68f9e3293e9c..88949c6d55dd 100644
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -88,15 +88,13 @@ static enum odd_mech_type zpodd_get_mech_type(struct ata_device *dev)
static bool odd_can_poweroff(struct ata_device *ata_dev)
{
acpi_handle handle;
- acpi_status status;
struct acpi_device *acpi_dev;
handle = ata_dev_acpi_handle(ata_dev);
if (!handle)
return false;
- status = acpi_bus_get_device(handle, &acpi_dev);
- if (ACPI_FAILURE(status))
+ if (acpi_bus_get_device(handle, &acpi_dev))
return false;
return acpi_device_can_poweroff(acpi_dev);
diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index e88690ebfd82..73492dd4a4bc 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -319,6 +319,7 @@ static int cf_init(struct arasan_cf_dev *acdev)
ret = clk_set_rate(acdev->clk, 166000000);
if (ret) {
dev_warn(acdev->host->dev, "clock set rate failed");
+ clk_disable_unprepare(acdev->clk);
return ret;
}
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index fe3ca0989b14..1ad2f62d34b9 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -83,6 +83,10 @@ static struct pci_driver sis_pci_driver = {
.id_table = sis_pci_tbl,
.probe = sis_init_one,
.remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
+ .suspend = ata_pci_device_suspend,
+ .resume = ata_pci_device_resume,
+#endif
};
static struct scsi_host_template sis_sht = {
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index 98745dd77e8c..81f977510775 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -40,7 +40,7 @@ static int regmap_mmio_gather_write(void *context,
BUG_ON(reg_size != 4);
- if (ctx->clk) {
+ if (!IS_ERR(ctx->clk)) {
ret = clk_enable(ctx->clk);
if (ret < 0)
return ret;
@@ -73,7 +73,7 @@ static int regmap_mmio_gather_write(void *context,
offset += ctx->val_bytes;
}
- if (ctx->clk)
+ if (!IS_ERR(ctx->clk))
clk_disable(ctx->clk);
return 0;
@@ -96,7 +96,7 @@ static int regmap_mmio_read(void *context,
BUG_ON(reg_size != 4);
- if (ctx->clk) {
+ if (!IS_ERR(ctx->clk)) {
ret = clk_enable(ctx->clk);
if (ret < 0)
return ret;
@@ -129,7 +129,7 @@ static int regmap_mmio_read(void *context,
offset += ctx->val_bytes;
}
- if (ctx->clk)
+ if (!IS_ERR(ctx->clk))
clk_disable(ctx->clk);
return 0;
@@ -139,7 +139,7 @@ static void regmap_mmio_free_context(void *context)
{
struct regmap_mmio_context *ctx = context;
- if (ctx->clk) {
+ if (!IS_ERR(ctx->clk)) {
clk_unprepare(ctx->clk);
clk_put(ctx->clk);
}
@@ -209,6 +209,7 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
ctx->regs = regs;
ctx->val_bytes = config->val_bits / 8;
+ ctx->clk = ERR_PTR(-ENODEV);
if (clk_id == NULL)
return ctx;
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 9c021d9cace0..c2e002100949 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1549,7 +1549,7 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
val + (i * val_bytes),
val_bytes);
if (ret != 0)
- return ret;
+ goto out;
}
} else {
ret = _regmap_raw_write(map, reg, wval, val_bytes * val_count);
@@ -1743,7 +1743,7 @@ static int _regmap_read(struct regmap *map, unsigned int reg,
/**
* regmap_read(): Read a value from a single register
*
- * @map: Register map to write to
+ * @map: Register map to read from
* @reg: Register to be read from
* @val: Pointer to store read value
*
@@ -1770,7 +1770,7 @@ EXPORT_SYMBOL_GPL(regmap_read);
/**
* regmap_raw_read(): Read raw data from the device
*
- * @map: Register map to write to
+ * @map: Register map to read from
* @reg: First register to be read from
* @val: Pointer to store read value
* @val_len: Size of data to read
@@ -1882,7 +1882,7 @@ EXPORT_SYMBOL_GPL(regmap_fields_read);
/**
* regmap_bulk_read(): Read multiple registers from the device
*
- * @map: Register map to write to
+ * @map: Register map to read from
* @reg: First register to be read from
* @val: Pointer to store read value, in native register size for device
* @val_count: Number of registers to read
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index ea192ec029c4..83a598ebb65a 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -1,4 +1,5 @@
#include <linux/module.h>
+
#include <linux/moduleparam.h>
#include <linux/sched.h>
#include <linux/fs.h>
@@ -65,7 +66,7 @@ enum {
NULL_Q_MQ = 2,
};
-static int submit_queues = 1;
+static int submit_queues;
module_param(submit_queues, int, S_IRUGO);
MODULE_PARM_DESC(submit_queues, "Number of submission queues");
@@ -101,9 +102,9 @@ static int hw_queue_depth = 64;
module_param(hw_queue_depth, int, S_IRUGO);
MODULE_PARM_DESC(hw_queue_depth, "Queue depth for each hardware queue. Default: 64");
-static bool use_per_node_hctx = true;
+static bool use_per_node_hctx = false;
module_param(use_per_node_hctx, bool, S_IRUGO);
-MODULE_PARM_DESC(use_per_node_hctx, "Use per-node allocation for hardware context queues. Default: true");
+MODULE_PARM_DESC(use_per_node_hctx, "Use per-node allocation for hardware context queues. Default: false");
static void put_tag(struct nullb_queue *nq, unsigned int tag)
{
@@ -346,8 +347,37 @@ static int null_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *rq)
static struct blk_mq_hw_ctx *null_alloc_hctx(struct blk_mq_reg *reg, unsigned int hctx_index)
{
- return kzalloc_node(sizeof(struct blk_mq_hw_ctx), GFP_KERNEL,
- hctx_index);
+ int b_size = DIV_ROUND_UP(reg->nr_hw_queues, nr_online_nodes);
+ int tip = (reg->nr_hw_queues % nr_online_nodes);
+ int node = 0, i, n;
+
+ /*
+ * Split submit queues evenly wrt to the number of nodes. If uneven,
+ * fill the first buckets with one extra, until the rest is filled with
+ * no extra.
+ */
+ for (i = 0, n = 1; i < hctx_index; i++, n++) {
+ if (n % b_size == 0) {
+ n = 0;
+ node++;
+
+ tip--;
+ if (!tip)
+ b_size = reg->nr_hw_queues / nr_online_nodes;
+ }
+ }
+
+ /*
+ * A node might not be online, therefore map the relative node id to the
+ * real node id.
+ */
+ for_each_online_node(n) {
+ if (!node)
+ break;
+ node--;
+ }
+
+ return kzalloc_node(sizeof(struct blk_mq_hw_ctx), GFP_KERNEL, n);
}
static void null_free_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_index)
@@ -355,16 +385,24 @@ static void null_free_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_index)
kfree(hctx);
}
+static void null_init_queue(struct nullb *nullb, struct nullb_queue *nq)
+{
+ BUG_ON(!nullb);
+ BUG_ON(!nq);
+
+ init_waitqueue_head(&nq->wait);
+ nq->queue_depth = nullb->queue_depth;
+}
+
static int null_init_hctx(struct blk_mq_hw_ctx *hctx, void *data,
unsigned int index)
{
struct nullb *nullb = data;
struct nullb_queue *nq = &nullb->queues[index];
- init_waitqueue_head(&nq->wait);
- nq->queue_depth = nullb->queue_depth;
- nullb->nr_queues++;
hctx->driver_data = nq;
+ null_init_queue(nullb, nq);
+ nullb->nr_queues++;
return 0;
}
@@ -387,10 +425,7 @@ static void null_del_dev(struct nullb *nullb)
list_del_init(&nullb->list);
del_gendisk(nullb->disk);
- if (queue_mode == NULL_Q_MQ)
- blk_mq_free_queue(nullb->q);
- else
- blk_cleanup_queue(nullb->q);
+ blk_cleanup_queue(nullb->q);
put_disk(nullb->disk);
kfree(nullb);
}
@@ -417,13 +452,13 @@ static int setup_commands(struct nullb_queue *nq)
nq->cmds = kzalloc(nq->queue_depth * sizeof(*cmd), GFP_KERNEL);
if (!nq->cmds)
- return 1;
+ return -ENOMEM;
tag_size = ALIGN(nq->queue_depth, BITS_PER_LONG) / BITS_PER_LONG;
nq->tag_map = kzalloc(tag_size * sizeof(unsigned long), GFP_KERNEL);
if (!nq->tag_map) {
kfree(nq->cmds);
- return 1;
+ return -ENOMEM;
}
for (i = 0; i < nq->queue_depth; i++) {
@@ -454,33 +489,37 @@ static void cleanup_queues(struct nullb *nullb)
static int setup_queues(struct nullb *nullb)
{
- struct nullb_queue *nq;
- int i;
-
- nullb->queues = kzalloc(submit_queues * sizeof(*nq), GFP_KERNEL);
+ nullb->queues = kzalloc(submit_queues * sizeof(struct nullb_queue),
+ GFP_KERNEL);
if (!nullb->queues)
- return 1;
+ return -ENOMEM;
nullb->nr_queues = 0;
nullb->queue_depth = hw_queue_depth;
- if (queue_mode == NULL_Q_MQ)
- return 0;
+ return 0;
+}
+
+static int init_driver_queues(struct nullb *nullb)
+{
+ struct nullb_queue *nq;
+ int i, ret = 0;
for (i = 0; i < submit_queues; i++) {
nq = &nullb->queues[i];
- init_waitqueue_head(&nq->wait);
- nq->queue_depth = hw_queue_depth;
- if (setup_commands(nq))
- break;
+
+ null_init_queue(nullb, nq);
+
+ ret = setup_commands(nq);
+ if (ret)
+ goto err_queue;
nullb->nr_queues++;
}
- if (i == submit_queues)
- return 0;
-
+ return 0;
+err_queue:
cleanup_queues(nullb);
- return 1;
+ return ret;
}
static int null_add_dev(void)
@@ -495,34 +534,36 @@ static int null_add_dev(void)
spin_lock_init(&nullb->lock);
+ if (queue_mode == NULL_Q_MQ && use_per_node_hctx)
+ submit_queues = nr_online_nodes;
+
if (setup_queues(nullb))
goto err;
if (queue_mode == NULL_Q_MQ) {
null_mq_reg.numa_node = home_node;
null_mq_reg.queue_depth = hw_queue_depth;
+ null_mq_reg.nr_hw_queues = submit_queues;
if (use_per_node_hctx) {
null_mq_reg.ops->alloc_hctx = null_alloc_hctx;
null_mq_reg.ops->free_hctx = null_free_hctx;
-
- null_mq_reg.nr_hw_queues = nr_online_nodes;
} else {
null_mq_reg.ops->alloc_hctx = blk_mq_alloc_single_hw_queue;
null_mq_reg.ops->free_hctx = blk_mq_free_single_hw_queue;
-
- null_mq_reg.nr_hw_queues = submit_queues;
}
nullb->q = blk_mq_init_queue(&null_mq_reg, nullb);
} else if (queue_mode == NULL_Q_BIO) {
nullb->q = blk_alloc_queue_node(GFP_KERNEL, home_node);
blk_queue_make_request(nullb->q, null_queue_bio);
+ init_driver_queues(nullb);
} else {
nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node);
blk_queue_prep_rq(nullb->q, null_rq_prep_fn);
if (nullb->q)
blk_queue_softirq_done(nullb->q, null_softirq_done_fn);
+ init_driver_queues(nullb);
}
if (!nullb->q)
@@ -534,10 +575,7 @@ static int null_add_dev(void)
disk = nullb->disk = alloc_disk_node(1, home_node);
if (!disk) {
queue_fail:
- if (queue_mode == NULL_Q_MQ)
- blk_mq_free_queue(nullb->q);
- else
- blk_cleanup_queue(nullb->q);
+ blk_cleanup_queue(nullb->q);
cleanup_queues(nullb);
err:
kfree(nullb);
@@ -579,7 +617,13 @@ static int __init null_init(void)
}
#endif
- if (submit_queues > nr_cpu_ids)
+ if (queue_mode == NULL_Q_MQ && use_per_node_hctx) {
+ if (submit_queues < nr_online_nodes) {
+ pr_warn("null_blk: submit_queues param is set to %u.",
+ nr_online_nodes);
+ submit_queues = nr_online_nodes;
+ }
+ } else if (submit_queues > nr_cpu_ids)
submit_queues = nr_cpu_ids;
else if (!submit_queues)
submit_queues = 1;
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index 9199c93be926..eb6e1e0e8db2 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -5269,7 +5269,7 @@ const char *skd_skdev_state_to_str(enum skd_drvr_state state)
}
}
-const char *skd_skmsg_state_to_str(enum skd_fit_msg_state state)
+static const char *skd_skmsg_state_to_str(enum skd_fit_msg_state state)
{
switch (state) {
case SKD_MSG_STATE_IDLE:
@@ -5281,7 +5281,7 @@ const char *skd_skmsg_state_to_str(enum skd_fit_msg_state state)
}
}
-const char *skd_skreq_state_to_str(enum skd_req_state state)
+static const char *skd_skreq_state_to_str(enum skd_req_state state)
{
switch (state) {
case SKD_REQ_STATE_IDLE:
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 432db1b59b00..c4a4c9006288 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -489,7 +489,7 @@ static int blkif_queue_request(struct request *req)
if ((ring_req->operation == BLKIF_OP_INDIRECT) &&
(i % SEGS_PER_INDIRECT_FRAME == 0)) {
- unsigned long pfn;
+ unsigned long uninitialized_var(pfn);
if (segments)
kunmap_atomic(segments);
@@ -2011,6 +2011,10 @@ static void blkif_release(struct gendisk *disk, fmode_t mode)
bdev = bdget_disk(disk, 0);
+ if (!bdev) {
+ WARN(1, "Block device %s yanked out from us!\n", disk->disk_name);
+ goto out_mutex;
+ }
if (bdev->bd_openers)
goto out;
@@ -2041,6 +2045,7 @@ static void blkif_release(struct gendisk *disk, fmode_t mode)
out:
bdput(bdev);
+out_mutex:
mutex_unlock(&blkfront_mutex);
}
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 6bfc1bb318f6..dceb85f8d9a8 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -87,6 +87,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0CF3, 0xE004) },
{ USB_DEVICE(0x0CF3, 0xE005) },
{ USB_DEVICE(0x0930, 0x0219) },
+ { USB_DEVICE(0x0930, 0x0220) },
{ USB_DEVICE(0x0489, 0xe057) },
{ USB_DEVICE(0x13d3, 0x3393) },
{ USB_DEVICE(0x0489, 0xe04e) },
@@ -129,6 +130,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index c0ff34f2d2df..3980fd18f6ea 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -154,6 +154,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index c206de2951f2..2f2b08457c67 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -165,6 +165,19 @@ config HW_RANDOM_OMAP
If unsure, say Y.
+config HW_RANDOM_OMAP3_ROM
+ tristate "OMAP3 ROM Random Number Generator support"
+ depends on HW_RANDOM && ARCH_OMAP3
+ default HW_RANDOM
+ ---help---
+ This driver provides kernel-side support for the Random Number
+ Generator hardware found on OMAP34xx processors.
+
+ To compile this driver as a module, choose M here: the
+ module will be called omap3-rom-rng.
+
+ If unsure, say Y.
+
config HW_RANDOM_OCTEON
tristate "Octeon Random Number Generator support"
depends on HW_RANDOM && CAVIUM_OCTEON_SOC
@@ -327,3 +340,15 @@ config HW_RANDOM_TPM
module will be called tpm-rng.
If unsure, say Y.
+
+config HW_RANDOM_MSM
+ tristate "Qualcomm MSM Random Number Generator support"
+ depends on HW_RANDOM && ARCH_MSM
+ ---help---
+ This driver provides kernel-side support for the Random Number
+ Generator hardware found on Qualcomm MSM SoCs.
+
+ To compile this driver as a module, choose M here. the
+ module will be called msm-rng.
+
+ If unsure, say Y.
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index d7d2435ff7fa..3ae7755a52e7 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -15,6 +15,7 @@ n2-rng-y := n2-drv.o n2-asm.o
obj-$(CONFIG_HW_RANDOM_VIA) += via-rng.o
obj-$(CONFIG_HW_RANDOM_IXP4XX) += ixp4xx-rng.o
obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o
+obj-$(CONFIG_HW_RANDOM_OMAP3_ROM) += omap3-rom-rng.o
obj-$(CONFIG_HW_RANDOM_PASEMI) += pasemi-rng.o
obj-$(CONFIG_HW_RANDOM_VIRTIO) += virtio-rng.o
obj-$(CONFIG_HW_RANDOM_TX4939) += tx4939-rng.o
@@ -28,3 +29,4 @@ obj-$(CONFIG_HW_RANDOM_POWERNV) += powernv-rng.o
obj-$(CONFIG_HW_RANDOM_EXYNOS) += exynos-rng.o
obj-$(CONFIG_HW_RANDOM_TPM) += tpm-rng.o
obj-$(CONFIG_HW_RANDOM_BCM2835) += bcm2835-rng.o
+obj-$(CONFIG_HW_RANDOM_MSM) += msm-rng.o
diff --git a/drivers/char/hw_random/msm-rng.c b/drivers/char/hw_random/msm-rng.c
new file mode 100644
index 000000000000..148521e51dc6
--- /dev/null
+++ b/drivers/char/hw_random/msm-rng.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/hw_random.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+/* Device specific register offsets */
+#define PRNG_DATA_OUT 0x0000
+#define PRNG_STATUS 0x0004
+#define PRNG_LFSR_CFG 0x0100
+#define PRNG_CONFIG 0x0104
+
+/* Device specific register masks and config values */
+#define PRNG_LFSR_CFG_MASK 0x0000ffff
+#define PRNG_LFSR_CFG_CLOCKS 0x0000dddd
+#define PRNG_CONFIG_HW_ENABLE BIT(1)
+#define PRNG_STATUS_DATA_AVAIL BIT(0)
+
+#define MAX_HW_FIFO_DEPTH 16
+#define MAX_HW_FIFO_SIZE (MAX_HW_FIFO_DEPTH * 4)
+#define WORD_SZ 4
+
+struct msm_rng {
+ void __iomem *base;
+ struct clk *clk;
+ struct hwrng hwrng;
+};
+
+#define to_msm_rng(p) container_of(p, struct msm_rng, hwrng)
+
+static int msm_rng_enable(struct hwrng *hwrng, int enable)
+{
+ struct msm_rng *rng = to_msm_rng(hwrng);
+ u32 val;
+ int ret;
+
+ ret = clk_prepare_enable(rng->clk);
+ if (ret)
+ return ret;
+
+ if (enable) {
+ /* Enable PRNG only if it is not already enabled */
+ val = readl_relaxed(rng->base + PRNG_CONFIG);
+ if (val & PRNG_CONFIG_HW_ENABLE)
+ goto already_enabled;
+
+ val = readl_relaxed(rng->base + PRNG_LFSR_CFG);
+ val &= ~PRNG_LFSR_CFG_MASK;
+ val |= PRNG_LFSR_CFG_CLOCKS;
+ writel(val, rng->base + PRNG_LFSR_CFG);
+
+ val = readl_relaxed(rng->base + PRNG_CONFIG);
+ val |= PRNG_CONFIG_HW_ENABLE;
+ writel(val, rng->base + PRNG_CONFIG);
+ } else {
+ val = readl_relaxed(rng->base + PRNG_CONFIG);
+ val &= ~PRNG_CONFIG_HW_ENABLE;
+ writel(val, rng->base + PRNG_CONFIG);
+ }
+
+already_enabled:
+ clk_disable_unprepare(rng->clk);
+ return 0;
+}
+
+static int msm_rng_read(struct hwrng *hwrng, void *data, size_t max, bool wait)
+{
+ struct msm_rng *rng = to_msm_rng(hwrng);
+ size_t currsize = 0;
+ u32 *retdata = data;
+ size_t maxsize;
+ int ret;
+ u32 val;
+
+ /* calculate max size bytes to transfer back to caller */
+ maxsize = min_t(size_t, MAX_HW_FIFO_SIZE, max);
+
+ /* no room for word data */
+ if (maxsize < WORD_SZ)
+ return 0;
+
+ ret = clk_prepare_enable(rng->clk);
+ if (ret)
+ return ret;
+
+ /* read random data from hardware */
+ do {
+ val = readl_relaxed(rng->base + PRNG_STATUS);
+ if (!(val & PRNG_STATUS_DATA_AVAIL))
+ break;
+
+ val = readl_relaxed(rng->base + PRNG_DATA_OUT);
+ if (!val)
+ break;
+
+ *retdata++ = val;
+ currsize += WORD_SZ;
+
+ /* make sure we stay on 32bit boundary */
+ if ((maxsize - currsize) < WORD_SZ)
+ break;
+ } while (currsize < maxsize);
+
+ clk_disable_unprepare(rng->clk);
+
+ return currsize;
+}
+
+static int msm_rng_init(struct hwrng *hwrng)
+{
+ return msm_rng_enable(hwrng, 1);
+}
+
+static void msm_rng_cleanup(struct hwrng *hwrng)
+{
+ msm_rng_enable(hwrng, 0);
+}
+
+static int msm_rng_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ struct msm_rng *rng;
+ int ret;
+
+ rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL);
+ if (!rng)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, rng);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ rng->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(rng->base))
+ return PTR_ERR(rng->base);
+
+ rng->clk = devm_clk_get(&pdev->dev, "core");
+ if (IS_ERR(rng->clk))
+ return PTR_ERR(rng->clk);
+
+ rng->hwrng.name = KBUILD_MODNAME,
+ rng->hwrng.init = msm_rng_init,
+ rng->hwrng.cleanup = msm_rng_cleanup,
+ rng->hwrng.read = msm_rng_read,
+
+ ret = hwrng_register(&rng->hwrng);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register hwrng\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int msm_rng_remove(struct platform_device *pdev)
+{
+ struct msm_rng *rng = platform_get_drvdata(pdev);
+
+ hwrng_unregister(&rng->hwrng);
+ return 0;
+}
+
+static const struct of_device_id msm_rng_of_match[] = {
+ { .compatible = "qcom,prng", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, msm_rng_of_match);
+
+static struct platform_driver msm_rng_driver = {
+ .probe = msm_rng_probe,
+ .remove = msm_rng_remove,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(msm_rng_of_match),
+ }
+};
+module_platform_driver(msm_rng_driver);
+
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_AUTHOR("The Linux Foundation");
+MODULE_DESCRIPTION("Qualcomm MSM random number generator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/char/hw_random/omap3-rom-rng.c b/drivers/char/hw_random/omap3-rom-rng.c
new file mode 100644
index 000000000000..c853e9e68573
--- /dev/null
+++ b/drivers/char/hw_random/omap3-rom-rng.c
@@ -0,0 +1,141 @@
+/*
+ * omap3-rom-rng.c - RNG driver for TI OMAP3 CPU family
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Juha Yrjola <juha.yrjola@solidboot.com>
+ *
+ * Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/random.h>
+#include <linux/hw_random.h>
+#include <linux/timer.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+#define RNG_RESET 0x01
+#define RNG_GEN_PRNG_HW_INIT 0x02
+#define RNG_GEN_HW 0x08
+
+/* param1: ptr, param2: count, param3: flag */
+static u32 (*omap3_rom_rng_call)(u32, u32, u32);
+
+static struct timer_list idle_timer;
+static int rng_idle;
+static struct clk *rng_clk;
+
+static void omap3_rom_rng_idle(unsigned long data)
+{
+ int r;
+
+ r = omap3_rom_rng_call(0, 0, RNG_RESET);
+ if (r != 0) {
+ pr_err("reset failed: %d\n", r);
+ return;
+ }
+ clk_disable_unprepare(rng_clk);
+ rng_idle = 1;
+}
+
+static int omap3_rom_rng_get_random(void *buf, unsigned int count)
+{
+ u32 r;
+ u32 ptr;
+
+ del_timer_sync(&idle_timer);
+ if (rng_idle) {
+ clk_prepare_enable(rng_clk);
+ r = omap3_rom_rng_call(0, 0, RNG_GEN_PRNG_HW_INIT);
+ if (r != 0) {
+ clk_disable_unprepare(rng_clk);
+ pr_err("HW init failed: %d\n", r);
+ return -EIO;
+ }
+ rng_idle = 0;
+ }
+
+ ptr = virt_to_phys(buf);
+ r = omap3_rom_rng_call(ptr, count, RNG_GEN_HW);
+ mod_timer(&idle_timer, jiffies + msecs_to_jiffies(500));
+ if (r != 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int omap3_rom_rng_data_present(struct hwrng *rng, int wait)
+{
+ return 1;
+}
+
+static int omap3_rom_rng_data_read(struct hwrng *rng, u32 *data)
+{
+ int r;
+
+ r = omap3_rom_rng_get_random(data, 4);
+ if (r < 0)
+ return r;
+ return 4;
+}
+
+static struct hwrng omap3_rom_rng_ops = {
+ .name = "omap3-rom",
+ .data_present = omap3_rom_rng_data_present,
+ .data_read = omap3_rom_rng_data_read,
+};
+
+static int omap3_rom_rng_probe(struct platform_device *pdev)
+{
+ pr_info("initializing\n");
+
+ omap3_rom_rng_call = pdev->dev.platform_data;
+ if (!omap3_rom_rng_call) {
+ pr_err("omap3_rom_rng_call is NULL\n");
+ return -EINVAL;
+ }
+
+ setup_timer(&idle_timer, omap3_rom_rng_idle, 0);
+ rng_clk = clk_get(&pdev->dev, "ick");
+ if (IS_ERR(rng_clk)) {
+ pr_err("unable to get RNG clock\n");
+ return PTR_ERR(rng_clk);
+ }
+
+ /* Leave the RNG in reset state. */
+ clk_prepare_enable(rng_clk);
+ omap3_rom_rng_idle(0);
+
+ return hwrng_register(&omap3_rom_rng_ops);
+}
+
+static int omap3_rom_rng_remove(struct platform_device *pdev)
+{
+ hwrng_unregister(&omap3_rom_rng_ops);
+ clk_disable_unprepare(rng_clk);
+ clk_put(rng_clk);
+ return 0;
+}
+
+static struct platform_driver omap3_rom_rng_driver = {
+ .driver = {
+ .name = "omap3-rom-rng",
+ .owner = THIS_MODULE,
+ },
+ .probe = omap3_rom_rng_probe,
+ .remove = omap3_rom_rng_remove,
+};
+
+module_platform_driver(omap3_rom_rng_driver);
+
+MODULE_ALIAS("platform:omap3-rom-rng");
+MODULE_AUTHOR("Juha Yrjola");
+MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/char/hw_random/pseries-rng.c b/drivers/char/hw_random/pseries-rng.c
index b761459a3436..ab7ffdec0ec3 100644
--- a/drivers/char/hw_random/pseries-rng.c
+++ b/drivers/char/hw_random/pseries-rng.c
@@ -24,7 +24,6 @@
#include <linux/hw_random.h>
#include <asm/vio.h>
-#define MODULE_NAME "pseries-rng"
static int pseries_rng_data_read(struct hwrng *rng, u32 *data)
{
@@ -55,7 +54,7 @@ static unsigned long pseries_rng_get_desired_dma(struct vio_dev *vdev)
};
static struct hwrng pseries_rng = {
- .name = MODULE_NAME,
+ .name = KBUILD_MODNAME,
.data_read = pseries_rng_data_read,
};
@@ -78,7 +77,7 @@ static struct vio_device_id pseries_rng_driver_ids[] = {
MODULE_DEVICE_TABLE(vio, pseries_rng_driver_ids);
static struct vio_driver pseries_rng_driver = {
- .name = MODULE_NAME,
+ .name = KBUILD_MODNAME,
.probe = pseries_rng_probe,
.remove = pseries_rng_remove,
.get_desired_dma = pseries_rng_get_desired_dma,
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index e737772ad69a..de5a6dcfb3e2 100644
--- a/drivers/char/hw_random/via-rng.c
+++ b/drivers/char/hw_random/via-rng.c
@@ -221,7 +221,7 @@ static void __exit mod_exit(void)
module_init(mod_init);
module_exit(mod_exit);
-static struct x86_cpu_id via_rng_cpu_id[] = {
+static struct x86_cpu_id __maybe_unused via_rng_cpu_id[] = {
X86_FEATURE_MATCH(X86_FEATURE_XSTORE),
{}
};
diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index 40cc0cf2ded6..e6939e13e338 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -664,6 +664,13 @@ static struct dmi_system_id __initdata i8k_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro"),
},
},
+ {
+ .ident = "Dell XPS421",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS L421X"),
+ },
+ },
{ }
};
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index 8e562dc65601..e1f3337a0cf9 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -27,15 +27,18 @@ static char *tpm_device_name = "TPM";
static acpi_status ppi_callback(acpi_handle handle, u32 level, void *context,
void **return_value)
{
- acpi_status status;
+ acpi_status status = AE_OK;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
- if (strstr(buffer.pointer, context) != NULL) {
- *return_value = handle;
+
+ if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer))) {
+ if (strstr(buffer.pointer, context) != NULL) {
+ *return_value = handle;
+ status = AE_CTRL_TERMINATE;
+ }
kfree(buffer.pointer);
- return AE_CTRL_TERMINATE;
}
- return AE_OK;
+
+ return status;
}
static inline void ppi_assign_params(union acpi_object params[4],
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 8d3009e44fba..5543b7df8e16 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -87,7 +87,7 @@ static unsigned int _get_table_val(const struct clk_div_table *table,
return 0;
}
-static unsigned int _get_val(struct clk_divider *divider, u8 div)
+static unsigned int _get_val(struct clk_divider *divider, unsigned int div)
{
if (divider->flags & CLK_DIVIDER_ONE_BASED)
return div;
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 7be41e676a64..00a3abe103a5 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -60,7 +60,7 @@ static int s2mps11_clk_prepare(struct clk_hw *hw)
struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
int ret;
- ret = regmap_update_bits(s2mps11->iodev->regmap,
+ ret = regmap_update_bits(s2mps11->iodev->regmap_pmic,
S2MPS11_REG_RTC_CTRL,
s2mps11->mask, s2mps11->mask);
if (!ret)
@@ -74,7 +74,7 @@ static void s2mps11_clk_unprepare(struct clk_hw *hw)
struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
int ret;
- ret = regmap_update_bits(s2mps11->iodev->regmap, S2MPS11_REG_RTC_CTRL,
+ ret = regmap_update_bits(s2mps11->iodev->regmap_pmic, S2MPS11_REG_RTC_CTRL,
s2mps11->mask, ~s2mps11->mask);
if (!ret)
@@ -174,7 +174,7 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
s2mps11_clk->hw.init = &s2mps11_clks_init[i];
s2mps11_clk->mask = 1 << i;
- ret = regmap_read(s2mps11_clk->iodev->regmap,
+ ret = regmap_read(s2mps11_clk->iodev->regmap_pmic,
S2MPS11_REG_RTC_CTRL, &val);
if (ret < 0)
goto err_reg;
diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c
index 39b40aaede2b..68e515d093d8 100644
--- a/drivers/clk/samsung/clk-exynos-audss.c
+++ b/drivers/clk/samsung/clk-exynos-audss.c
@@ -26,17 +26,17 @@ static struct clk_onecell_data clk_data;
#define ASS_CLK_DIV 0x4
#define ASS_CLK_GATE 0x8
+/* list of all parent clock list */
+static const char *mout_audss_p[] = { "fin_pll", "fout_epll" };
+static const char *mout_i2s_p[] = { "mout_audss", "cdclk0", "sclk_audio0" };
+
+#ifdef CONFIG_PM_SLEEP
static unsigned long reg_save[][2] = {
{ASS_CLK_SRC, 0},
{ASS_CLK_DIV, 0},
{ASS_CLK_GATE, 0},
};
-/* list of all parent clock list */
-static const char *mout_audss_p[] = { "fin_pll", "fout_epll" };
-static const char *mout_i2s_p[] = { "mout_audss", "cdclk0", "sclk_audio0" };
-
-#ifdef CONFIG_PM_SLEEP
static int exynos_audss_clk_suspend(void)
{
int i;
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index ad5ff50c5f28..1a7c1b929c69 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -39,7 +39,7 @@
#define SRC_TOP1 0xc214
#define SRC_CAM 0xc220
#define SRC_TV 0xc224
-#define SRC_MFC 0xcc28
+#define SRC_MFC 0xc228
#define SRC_G3D 0xc22c
#define E4210_SRC_IMAGE 0xc230
#define SRC_LCD0 0xc234
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index adf32343c9f9..e52359cf9b6f 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -25,6 +25,7 @@
#define MPLL_LOCK 0x4000
#define MPLL_CON0 0x4100
#define SRC_CORE1 0x4204
+#define GATE_IP_ACP 0x8800
#define CPLL_LOCK 0x10020
#define EPLL_LOCK 0x10030
#define VPLL_LOCK 0x10040
@@ -75,7 +76,6 @@
#define SRC_CDREX 0x20200
#define PLL_DIV2_SEL 0x20a24
#define GATE_IP_DISP1 0x10928
-#define GATE_IP_ACP 0x10000
/* list of PLLs to be registered */
enum exynos5250_plls {
@@ -120,7 +120,8 @@ enum exynos5250_clks {
spi2, i2s1, i2s2, pcm1, pcm2, pwm, spdif, ac97, hsi2c0, hsi2c1, hsi2c2,
hsi2c3, chipid, sysreg, pmu, cmu_top, cmu_core, cmu_mem, tzpc0, tzpc1,
tzpc2, tzpc3, tzpc4, tzpc5, tzpc6, tzpc7, tzpc8, tzpc9, hdmi_cec, mct,
- wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d,
+ wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d, mdma0,
+ smmu_mdma0,
/* mux clocks */
mout_hdmi = 1024,
@@ -354,8 +355,8 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
GATE(smmu_gscl2, "smmu_gscl2", "aclk266", GATE_IP_GSCL, 9, 0, 0),
GATE(smmu_gscl3, "smmu_gscl3", "aclk266", GATE_IP_GSCL, 10, 0, 0),
GATE(mfc, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0),
- GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 1, 0, 0),
- GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 2, 0, 0),
+ GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 2, 0, 0),
+ GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 1, 0, 0),
GATE(rotator, "rotator", "aclk266", GATE_IP_GEN, 1, 0, 0),
GATE(jpeg, "jpeg", "aclk166", GATE_IP_GEN, 2, 0, 0),
GATE(mdma1, "mdma1", "aclk266", GATE_IP_GEN, 4, 0, 0),
@@ -406,7 +407,8 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
GATE(hsi2c2, "hsi2c2", "aclk66", GATE_IP_PERIC, 30, 0, 0),
GATE(hsi2c3, "hsi2c3", "aclk66", GATE_IP_PERIC, 31, 0, 0),
GATE(chipid, "chipid", "aclk66", GATE_IP_PERIS, 0, 0, 0),
- GATE(sysreg, "sysreg", "aclk66", GATE_IP_PERIS, 1, 0, 0),
+ GATE(sysreg, "sysreg", "aclk66",
+ GATE_IP_PERIS, 1, CLK_IGNORE_UNUSED, 0),
GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, CLK_IGNORE_UNUSED, 0),
GATE(tzpc0, "tzpc0", "aclk66", GATE_IP_PERIS, 6, 0, 0),
GATE(tzpc1, "tzpc1", "aclk66", GATE_IP_PERIS, 7, 0, 0),
@@ -492,6 +494,8 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
GATE(mixer, "mixer", "mout_aclk200_disp1", GATE_IP_DISP1, 5, 0, 0),
GATE(hdmi, "hdmi", "mout_aclk200_disp1", GATE_IP_DISP1, 6, 0, 0),
GATE(g2d, "g2d", "aclk200", GATE_IP_ACP, 3, 0, 0),
+ GATE(mdma0, "mdma0", "aclk266", GATE_IP_ACP, 1, 0, 0),
+ GATE(smmu_mdma0, "smmu_mdma0", "aclk266", GATE_IP_ACP, 5, 0, 0),
};
static struct samsung_pll_rate_table vpll_24mhz_tbl[] __initdata = {
diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c
index 7d2c84265947..8e27aee6887e 100644
--- a/drivers/clk/samsung/clk-s3c64xx.c
+++ b/drivers/clk/samsung/clk-s3c64xx.c
@@ -331,8 +331,8 @@ static struct samsung_clock_alias s3c64xx_clock_aliases[] = {
ALIAS(HCLK_HSMMC1, "s3c-sdhci.1", "mmc_busclk.0"),
ALIAS(HCLK_HSMMC0, "s3c-sdhci.0", "hsmmc"),
ALIAS(HCLK_HSMMC0, "s3c-sdhci.0", "mmc_busclk.0"),
- ALIAS(HCLK_DMA1, NULL, "dma1"),
- ALIAS(HCLK_DMA0, NULL, "dma0"),
+ ALIAS(HCLK_DMA1, "dma-pl080s.1", "apb_pclk"),
+ ALIAS(HCLK_DMA0, "dma-pl080s.0", "apb_pclk"),
ALIAS(HCLK_CAMIF, "s3c-camif", "camif"),
ALIAS(HCLK_LCD, "s3c-fb", "lcd"),
ALIAS(PCLK_SPI1, "s3c6410-spi.1", "spi"),
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index bdb953e15d2a..634c4d6dd45a 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -75,6 +75,7 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
config CLKSRC_EFM32
bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
+ select CLKSRC_MMIO
default ARCH_EFM32
help
Support to use the timers of EFM32 SoCs as clock source and clock
@@ -87,6 +88,7 @@ config ARM_ARCH_TIMER
config ARM_ARCH_TIMER_EVTSTREAM
bool "Support for ARM architected timer event stream generation"
default y if ARM_ARCH_TIMER
+ depends on ARM_ARCH_TIMER
help
This option enables support for event stream generation based on
the ARM architected timer. It is used for waking up CPUs executing
diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c
index 35639cf4e5a2..b9ddd9e3a2f5 100644
--- a/drivers/clocksource/clksrc-of.c
+++ b/drivers/clocksource/clksrc-of.c
@@ -35,6 +35,5 @@ void __init clocksource_of_init(void)
init_func = match->data;
init_func(np);
- of_node_put(np);
}
}
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index 45ba8aecc729..2a2ea2717f3a 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -108,12 +108,11 @@ static void __init add_clocksource(struct device_node *source_timer)
static u64 read_sched_clock(void)
{
- return __raw_readl(sched_io_base);
+ return ~__raw_readl(sched_io_base);
}
static const struct of_device_id sptimer_ids[] __initconst = {
{ .compatible = "picochip,pc3x2-rtc" },
- { .compatible = "snps,dw-apb-timer-sp" },
{ /* Sentinel */ },
};
@@ -151,4 +150,6 @@ static void __init dw_apb_timer_init(struct device_node *timer)
num_called++;
}
CLOCKSOURCE_OF_DECLARE(pc3x2_timer, "picochip,pc3x2-timer", dw_apb_timer_init);
-CLOCKSOURCE_OF_DECLARE(apb_timer, "snps,dw-apb-timer-osc", dw_apb_timer_init);
+CLOCKSOURCE_OF_DECLARE(apb_timer_osc, "snps,dw-apb-timer-osc", dw_apb_timer_init);
+CLOCKSOURCE_OF_DECLARE(apb_timer_sp, "snps,dw-apb-timer-sp", dw_apb_timer_init);
+CLOCKSOURCE_OF_DECLARE(apb_timer, "snps,dw-apb-timer", dw_apb_timer_init);
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index 4aac9ee0d0c0..3cf12834681e 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -313,8 +313,20 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev)
goto err1;
}
- return sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev),
- cfg->clockevent_rating);
+ ret = clk_prepare(p->clk);
+ if (ret < 0)
+ goto err2;
+
+ ret = sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev),
+ cfg->clockevent_rating);
+ if (ret < 0)
+ goto err3;
+
+ return 0;
+ err3:
+ clk_unprepare(p->clk);
+ err2:
+ clk_put(p->clk);
err1:
iounmap(p->mapbase);
err0:
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 78b8dae49628..63557cda0a7d 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -472,12 +472,26 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev)
ret = PTR_ERR(p->clk);
goto err1;
}
+
+ ret = clk_prepare(p->clk);
+ if (ret < 0)
+ goto err2;
+
p->cs_enabled = false;
p->enable_count = 0;
- return sh_tmu_register(p, (char *)dev_name(&p->pdev->dev),
- cfg->clockevent_rating,
- cfg->clocksource_rating);
+ ret = sh_tmu_register(p, (char *)dev_name(&p->pdev->dev),
+ cfg->clockevent_rating,
+ cfg->clocksource_rating);
+ if (ret < 0)
+ goto err3;
+
+ return 0;
+
+ err3:
+ clk_unprepare(p->clk);
+ err2:
+ clk_put(p->clk);
err1:
iounmap(p->mapbase);
err0:
diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
index 2fb4695a28d8..a4f6119aafd8 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -179,6 +179,9 @@ static void __init sun4i_timer_init(struct device_node *node)
writel(TIMER_CTL_CLK_SRC(TIMER_CTL_CLK_SRC_OSC24M),
timer_base + TIMER_CTL_REG(0));
+ /* Make sure timer is stopped before playing with interrupts */
+ sun4i_clkevt_time_stop(0);
+
ret = setup_irq(irq, &sun4i_timer_irq);
if (ret)
pr_warn("failed to setup irq %d\n", irq);
diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
index d8e47e502785..4e7f6802e840 100644
--- a/drivers/clocksource/time-armada-370-xp.c
+++ b/drivers/clocksource/time-armada-370-xp.c
@@ -256,11 +256,6 @@ static void __init armada_370_xp_timer_common_init(struct device_node *np)
ticks_per_jiffy = (timer_clk + HZ / 2) / HZ;
/*
- * Set scale and timer for sched_clock.
- */
- sched_clock_register(armada_370_xp_read_sched_clock, 32, timer_clk);
-
- /*
* Setup free-running clocksource timer (interrupts
* disabled).
*/
@@ -270,6 +265,11 @@ static void __init armada_370_xp_timer_common_init(struct device_node *np)
timer_ctrl_clrset(0, TIMER0_EN | TIMER0_RELOAD_EN |
TIMER0_DIV(TIMER_DIVIDER_SHIFT));
+ /*
+ * Set scale and timer for sched_clock.
+ */
+ sched_clock_register(armada_370_xp_read_sched_clock, 32, timer_clk);
+
clocksource_mmio_init(timer_base + TIMER0_VAL_OFF,
"armada_370_xp_clocksource",
timer_clk, 300, 32, clocksource_mmio_readl_down);
diff --git a/drivers/cpufreq/at32ap-cpufreq.c b/drivers/cpufreq/at32ap-cpufreq.c
index 856ad80418ae..7c03dd84f66a 100644
--- a/drivers/cpufreq/at32ap-cpufreq.c
+++ b/drivers/cpufreq/at32ap-cpufreq.c
@@ -58,7 +58,7 @@ static int at32_set_target(struct cpufreq_policy *policy, unsigned int index)
return 0;
}
-static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy)
+static int at32_cpufreq_driver_init(struct cpufreq_policy *policy)
{
unsigned int frequency, rate, min_freq;
int retval, steps, i;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 02d534da22dd..8d19f7c06010 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -828,14 +828,17 @@ static void cpufreq_init_policy(struct cpufreq_policy *policy)
int ret = 0;
memcpy(&new_policy, policy, sizeof(*policy));
+
+ /* Use the default policy if its valid. */
+ if (cpufreq_driver->setpolicy)
+ cpufreq_parse_governor(policy->governor->name,
+ &new_policy.policy, NULL);
+
/* assure that the starting sequence is run in cpufreq_set_policy */
policy->governor = NULL;
/* set default policy */
ret = cpufreq_set_policy(policy, &new_policy);
- policy->user_policy.policy = policy->policy;
- policy->user_policy.governor = policy->governor;
-
if (ret) {
pr_debug("setting policy failed\n");
if (cpufreq_driver->exit)
@@ -845,8 +848,7 @@ static void cpufreq_init_policy(struct cpufreq_policy *policy)
#ifdef CONFIG_HOTPLUG_CPU
static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy,
- unsigned int cpu, struct device *dev,
- bool frozen)
+ unsigned int cpu, struct device *dev)
{
int ret = 0;
unsigned long flags;
@@ -877,11 +879,7 @@ static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy,
}
}
- /* Don't touch sysfs links during light-weight init */
- if (!frozen)
- ret = sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq");
-
- return ret;
+ return sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq");
}
#endif
@@ -926,6 +924,27 @@ err_free_policy:
return NULL;
}
+static void cpufreq_policy_put_kobj(struct cpufreq_policy *policy)
+{
+ struct kobject *kobj;
+ struct completion *cmp;
+
+ down_read(&policy->rwsem);
+ kobj = &policy->kobj;
+ cmp = &policy->kobj_unregister;
+ up_read(&policy->rwsem);
+ kobject_put(kobj);
+
+ /*
+ * We need to make sure that the underlying kobj is
+ * actually not referenced anymore by anybody before we
+ * proceed with unloading.
+ */
+ pr_debug("waiting for dropping of refcount\n");
+ wait_for_completion(cmp);
+ pr_debug("wait complete\n");
+}
+
static void cpufreq_policy_free(struct cpufreq_policy *policy)
{
free_cpumask_var(policy->related_cpus);
@@ -986,7 +1005,7 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
list_for_each_entry(tpolicy, &cpufreq_policy_list, policy_list) {
if (cpumask_test_cpu(cpu, tpolicy->related_cpus)) {
read_unlock_irqrestore(&cpufreq_driver_lock, flags);
- ret = cpufreq_add_policy_cpu(tpolicy, cpu, dev, frozen);
+ ret = cpufreq_add_policy_cpu(tpolicy, cpu, dev);
up_read(&cpufreq_rwsem);
return ret;
}
@@ -994,15 +1013,17 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
read_unlock_irqrestore(&cpufreq_driver_lock, flags);
#endif
- if (frozen)
- /* Restore the saved policy when doing light-weight init */
- policy = cpufreq_policy_restore(cpu);
- else
+ /*
+ * Restore the saved policy when doing light-weight init and fall back
+ * to the full init if that fails.
+ */
+ policy = frozen ? cpufreq_policy_restore(cpu) : NULL;
+ if (!policy) {
+ frozen = false;
policy = cpufreq_policy_alloc();
-
- if (!policy)
- goto nomem_out;
-
+ if (!policy)
+ goto nomem_out;
+ }
/*
* In the resume path, since we restore a saved policy, the assignment
@@ -1047,8 +1068,10 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
*/
cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);
- policy->user_policy.min = policy->min;
- policy->user_policy.max = policy->max;
+ if (!frozen) {
+ policy->user_policy.min = policy->min;
+ policy->user_policy.max = policy->max;
+ }
blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
CPUFREQ_START, policy);
@@ -1079,6 +1102,11 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
cpufreq_init_policy(policy);
+ if (!frozen) {
+ policy->user_policy.policy = policy->policy;
+ policy->user_policy.governor = policy->governor;
+ }
+
kobject_uevent(&policy->kobj, KOBJ_ADD);
up_read(&cpufreq_rwsem);
@@ -1096,7 +1124,13 @@ err_get_freq:
if (cpufreq_driver->exit)
cpufreq_driver->exit(policy);
err_set_policy_cpu:
+ if (frozen) {
+ /* Do not leave stale fallback data behind. */
+ per_cpu(cpufreq_cpu_data_fallback, cpu) = NULL;
+ cpufreq_policy_put_kobj(policy);
+ }
cpufreq_policy_free(policy);
+
nomem_out:
up_read(&cpufreq_rwsem);
@@ -1118,7 +1152,7 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif)
}
static int cpufreq_nominate_new_policy_cpu(struct cpufreq_policy *policy,
- unsigned int old_cpu, bool frozen)
+ unsigned int old_cpu)
{
struct device *cpu_dev;
int ret;
@@ -1126,10 +1160,6 @@ static int cpufreq_nominate_new_policy_cpu(struct cpufreq_policy *policy,
/* first sibling now owns the new sysfs dir */
cpu_dev = get_cpu_device(cpumask_any_but(policy->cpus, old_cpu));
- /* Don't touch sysfs files during light-weight tear-down */
- if (frozen)
- return cpu_dev->id;
-
sysfs_remove_link(&cpu_dev->kobj, "cpufreq");
ret = kobject_move(&policy->kobj, &cpu_dev->kobj);
if (ret) {
@@ -1196,7 +1226,7 @@ static int __cpufreq_remove_dev_prepare(struct device *dev,
if (!frozen)
sysfs_remove_link(&dev->kobj, "cpufreq");
} else if (cpus > 1) {
- new_cpu = cpufreq_nominate_new_policy_cpu(policy, cpu, frozen);
+ new_cpu = cpufreq_nominate_new_policy_cpu(policy, cpu);
if (new_cpu >= 0) {
update_policy_cpu(policy, new_cpu);
@@ -1218,8 +1248,6 @@ static int __cpufreq_remove_dev_finish(struct device *dev,
int ret;
unsigned long flags;
struct cpufreq_policy *policy;
- struct kobject *kobj;
- struct completion *cmp;
read_lock_irqsave(&cpufreq_driver_lock, flags);
policy = per_cpu(cpufreq_cpu_data, cpu);
@@ -1249,22 +1277,8 @@ static int __cpufreq_remove_dev_finish(struct device *dev,
}
}
- if (!frozen) {
- down_read(&policy->rwsem);
- kobj = &policy->kobj;
- cmp = &policy->kobj_unregister;
- up_read(&policy->rwsem);
- kobject_put(kobj);
-
- /*
- * We need to make sure that the underlying kobj is
- * actually not referenced anymore by anybody before we
- * proceed with unloading.
- */
- pr_debug("waiting for dropping of refcount\n");
- wait_for_completion(cmp);
- pr_debug("wait complete\n");
- }
+ if (!frozen)
+ cpufreq_policy_put_kobj(policy);
/*
* Perform the ->exit() even during light-weight tear-down,
diff --git a/drivers/cpufreq/exynos4210-cpufreq.c b/drivers/cpufreq/exynos4210-cpufreq.c
index f2c75065ce19..dfd1643b0b2f 100644
--- a/drivers/cpufreq/exynos4210-cpufreq.c
+++ b/drivers/cpufreq/exynos4210-cpufreq.c
@@ -157,4 +157,3 @@ err_moutcore:
pr_debug("%s: failed initialization\n", __func__);
return -EINVAL;
}
-EXPORT_SYMBOL(exynos4210_cpufreq_init);
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c b/drivers/cpufreq/exynos4x12-cpufreq.c
index 8683304ce62c..efad5e657f6f 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -211,4 +211,3 @@ err_moutcore:
pr_debug("%s: failed initialization\n", __func__);
return -EINVAL;
}
-EXPORT_SYMBOL(exynos4x12_cpufreq_init);
diff --git a/drivers/cpufreq/exynos5250-cpufreq.c b/drivers/cpufreq/exynos5250-cpufreq.c
index 9fae466d7746..8feda86fe42c 100644
--- a/drivers/cpufreq/exynos5250-cpufreq.c
+++ b/drivers/cpufreq/exynos5250-cpufreq.c
@@ -236,4 +236,3 @@ err_moutcore:
pr_err("%s: failed initialization\n", __func__);
return -EINVAL;
}
-EXPORT_SYMBOL(exynos5250_cpufreq_init);
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 5f1cbae36961..d51f17ed691e 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -581,7 +581,8 @@ static void intel_pstate_timer_func(unsigned long __data)
}
#define ICPU(model, policy) \
- { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&policy }
+ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF,\
+ (unsigned long)&policy }
static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
ICPU(0x2a, core_params),
@@ -614,6 +615,11 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
cpu = all_cpu_data[cpunum];
intel_pstate_get_cpu_pstates(cpu);
+ if (!cpu->pstate.current_pstate) {
+ all_cpu_data[cpunum] = NULL;
+ kfree(cpu);
+ return -ENODATA;
+ }
cpu->cpu = cpunum;
diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
index f42df7ec03c5..b7309c37033d 100644
--- a/drivers/cpufreq/tegra-cpufreq.c
+++ b/drivers/cpufreq/tegra-cpufreq.c
@@ -142,10 +142,8 @@ static int tegra_target(struct cpufreq_policy *policy, unsigned int index)
mutex_lock(&tegra_cpu_lock);
- if (is_suspended) {
- ret = -EBUSY;
+ if (is_suspended)
goto out;
- }
freq = freq_table[index].frequency;
diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c
index 36795639df0d..6e51114057d0 100644
--- a/drivers/cpuidle/cpuidle-calxeda.c
+++ b/drivers/cpuidle/cpuidle-calxeda.c
@@ -65,7 +65,7 @@ static struct cpuidle_driver calxeda_idle_driver = {
.state_count = 2,
};
-static int __init calxeda_cpuidle_probe(struct platform_device *pdev)
+static int calxeda_cpuidle_probe(struct platform_device *pdev)
{
return cpuidle_register(&calxeda_idle_driver, NULL);
}
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 2a991e468f78..a55e68f2cfc8 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -400,7 +400,7 @@ EXPORT_SYMBOL_GPL(cpuidle_register_device);
*/
void cpuidle_unregister_device(struct cpuidle_device *dev)
{
- if (dev->registered == 0)
+ if (!dev || dev->registered == 0)
return;
cpuidle_pause_and_lock();
diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig
index ca89f6b84b06..e7555ff4cafd 100644
--- a/drivers/crypto/caam/Kconfig
+++ b/drivers/crypto/caam/Kconfig
@@ -4,16 +4,29 @@ config CRYPTO_DEV_FSL_CAAM
help
Enables the driver module for Freescale's Cryptographic Accelerator
and Assurance Module (CAAM), also known as the SEC version 4 (SEC4).
- This module adds a job ring operation interface, and configures h/w
+ This module creates job ring devices, and configures h/w
to operate as a DPAA component automatically, depending
on h/w feature availability.
To compile this driver as a module, choose M here: the module
will be called caam.
+config CRYPTO_DEV_FSL_CAAM_JR
+ tristate "Freescale CAAM Job Ring driver backend"
+ depends on CRYPTO_DEV_FSL_CAAM
+ default y
+ help
+ Enables the driver module for Job Rings which are part of
+ Freescale's Cryptographic Accelerator
+ and Assurance Module (CAAM). This module adds a job ring operation
+ interface.
+
+ To compile this driver as a module, choose M here: the module
+ will be called caam_jr.
+
config CRYPTO_DEV_FSL_CAAM_RINGSIZE
int "Job Ring size"
- depends on CRYPTO_DEV_FSL_CAAM
+ depends on CRYPTO_DEV_FSL_CAAM_JR
range 2 9
default "9"
help
@@ -31,7 +44,7 @@ config CRYPTO_DEV_FSL_CAAM_RINGSIZE
config CRYPTO_DEV_FSL_CAAM_INTC
bool "Job Ring interrupt coalescing"
- depends on CRYPTO_DEV_FSL_CAAM
+ depends on CRYPTO_DEV_FSL_CAAM_JR
default n
help
Enable the Job Ring's interrupt coalescing feature.
@@ -62,7 +75,7 @@ config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD
config CRYPTO_DEV_FSL_CAAM_CRYPTO_API
tristate "Register algorithm implementations with the Crypto API"
- depends on CRYPTO_DEV_FSL_CAAM
+ depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
default y
select CRYPTO_ALGAPI
select CRYPTO_AUTHENC
@@ -76,7 +89,7 @@ config CRYPTO_DEV_FSL_CAAM_CRYPTO_API
config CRYPTO_DEV_FSL_CAAM_AHASH_API
tristate "Register hash algorithm implementations with Crypto API"
- depends on CRYPTO_DEV_FSL_CAAM
+ depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
default y
select CRYPTO_HASH
help
@@ -88,7 +101,7 @@ config CRYPTO_DEV_FSL_CAAM_AHASH_API
config CRYPTO_DEV_FSL_CAAM_RNG_API
tristate "Register caam device for hwrng API"
- depends on CRYPTO_DEV_FSL_CAAM
+ depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
default y
select CRYPTO_RNG
select HW_RANDOM
diff --git a/drivers/crypto/caam/Makefile b/drivers/crypto/caam/Makefile
index d56bd0ec65d8..550758a333e7 100644
--- a/drivers/crypto/caam/Makefile
+++ b/drivers/crypto/caam/Makefile
@@ -6,8 +6,10 @@ ifeq ($(CONFIG_CRYPTO_DEV_FSL_CAAM_DEBUG), y)
endif
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM) += caam.o
+obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_JR) += caam_jr.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API) += caamalg.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_AHASH_API) += caamhash.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_API) += caamrng.o
-caam-objs := ctrl.o jr.o error.o key_gen.o
+caam-objs := ctrl.o
+caam_jr-objs := jr.o key_gen.o error.o
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 7c63b72ecd75..4cf5dec826e1 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -86,6 +86,7 @@
#else
#define debug(format, arg...)
#endif
+static struct list_head alg_list;
/* Set DK bit in class 1 operation if shared */
static inline void append_dec_op1(u32 *desc, u32 type)
@@ -817,7 +818,7 @@ static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
ivsize, 1);
print_hex_dump(KERN_ERR, "dst @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->dst),
- req->cryptlen, 1);
+ req->cryptlen - ctx->authsize, 1);
#endif
if (err) {
@@ -971,12 +972,9 @@ static void init_aead_job(u32 *sh_desc, dma_addr_t ptr,
(edesc->src_nents ? : 1);
in_options = LDST_SGF;
}
- if (encrypt)
- append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize +
- req->cryptlen - authsize, in_options);
- else
- append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize +
- req->cryptlen, in_options);
+
+ append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize + req->cryptlen,
+ in_options);
if (likely(req->src == req->dst)) {
if (all_contig) {
@@ -997,7 +995,8 @@ static void init_aead_job(u32 *sh_desc, dma_addr_t ptr,
}
}
if (encrypt)
- append_seq_out_ptr(desc, dst_dma, req->cryptlen, out_options);
+ append_seq_out_ptr(desc, dst_dma, req->cryptlen + authsize,
+ out_options);
else
append_seq_out_ptr(desc, dst_dma, req->cryptlen - authsize,
out_options);
@@ -1047,8 +1046,8 @@ static void init_aead_giv_job(u32 *sh_desc, dma_addr_t ptr,
sec4_sg_index += edesc->assoc_nents + 1 + edesc->src_nents;
in_options = LDST_SGF;
}
- append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize +
- req->cryptlen - authsize, in_options);
+ append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize + req->cryptlen,
+ in_options);
if (contig & GIV_DST_CONTIG) {
dst_dma = edesc->iv_dma;
@@ -1065,7 +1064,8 @@ static void init_aead_giv_job(u32 *sh_desc, dma_addr_t ptr,
}
}
- append_seq_out_ptr(desc, dst_dma, ivsize + req->cryptlen, out_options);
+ append_seq_out_ptr(desc, dst_dma, ivsize + req->cryptlen + authsize,
+ out_options);
}
/*
@@ -1129,7 +1129,8 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
* allocate and map the aead extended descriptor
*/
static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
- int desc_bytes, bool *all_contig_ptr)
+ int desc_bytes, bool *all_contig_ptr,
+ bool encrypt)
{
struct crypto_aead *aead = crypto_aead_reqtfm(req);
struct caam_ctx *ctx = crypto_aead_ctx(aead);
@@ -1144,12 +1145,22 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
bool assoc_chained = false, src_chained = false, dst_chained = false;
int ivsize = crypto_aead_ivsize(aead);
int sec4_sg_index, sec4_sg_len = 0, sec4_sg_bytes;
+ unsigned int authsize = ctx->authsize;
assoc_nents = sg_count(req->assoc, req->assoclen, &assoc_chained);
- src_nents = sg_count(req->src, req->cryptlen, &src_chained);
- if (unlikely(req->dst != req->src))
- dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained);
+ if (unlikely(req->dst != req->src)) {
+ src_nents = sg_count(req->src, req->cryptlen, &src_chained);
+ dst_nents = sg_count(req->dst,
+ req->cryptlen +
+ (encrypt ? authsize : (-authsize)),
+ &dst_chained);
+ } else {
+ src_nents = sg_count(req->src,
+ req->cryptlen +
+ (encrypt ? authsize : 0),
+ &src_chained);
+ }
sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1,
DMA_TO_DEVICE, assoc_chained);
@@ -1233,11 +1244,9 @@ static int aead_encrypt(struct aead_request *req)
u32 *desc;
int ret = 0;
- req->cryptlen += ctx->authsize;
-
/* allocate extended descriptor */
edesc = aead_edesc_alloc(req, DESC_JOB_IO_LEN *
- CAAM_CMD_SZ, &all_contig);
+ CAAM_CMD_SZ, &all_contig, true);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
@@ -1274,7 +1283,7 @@ static int aead_decrypt(struct aead_request *req)
/* allocate extended descriptor */
edesc = aead_edesc_alloc(req, DESC_JOB_IO_LEN *
- CAAM_CMD_SZ, &all_contig);
+ CAAM_CMD_SZ, &all_contig, false);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
@@ -1331,7 +1340,8 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request
src_nents = sg_count(req->src, req->cryptlen, &src_chained);
if (unlikely(req->dst != req->src))
- dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained);
+ dst_nents = sg_count(req->dst, req->cryptlen + ctx->authsize,
+ &dst_chained);
sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1,
DMA_TO_DEVICE, assoc_chained);
@@ -1425,8 +1435,6 @@ static int aead_givencrypt(struct aead_givcrypt_request *areq)
u32 *desc;
int ret = 0;
- req->cryptlen += ctx->authsize;
-
/* allocate extended descriptor */
edesc = aead_giv_edesc_alloc(areq, DESC_JOB_IO_LEN *
CAAM_CMD_SZ, &contig);
@@ -2057,7 +2065,6 @@ static struct caam_alg_template driver_algs[] = {
struct caam_crypto_alg {
struct list_head entry;
- struct device *ctrldev;
int class1_alg_type;
int class2_alg_type;
int alg_op;
@@ -2070,14 +2077,12 @@ static int caam_cra_init(struct crypto_tfm *tfm)
struct caam_crypto_alg *caam_alg =
container_of(alg, struct caam_crypto_alg, crypto_alg);
struct caam_ctx *ctx = crypto_tfm_ctx(tfm);
- struct caam_drv_private *priv = dev_get_drvdata(caam_alg->ctrldev);
- int tgt_jr = atomic_inc_return(&priv->tfm_count);
- /*
- * distribute tfms across job rings to ensure in-order
- * crypto request processing per tfm
- */
- ctx->jrdev = priv->jrdev[(tgt_jr / 2) % priv->total_jobrs];
+ ctx->jrdev = caam_jr_alloc();
+ if (IS_ERR(ctx->jrdev)) {
+ pr_err("Job Ring Device allocation for transform failed\n");
+ return PTR_ERR(ctx->jrdev);
+ }
/* copy descriptor header template value */
ctx->class1_alg_type = OP_TYPE_CLASS1_ALG | caam_alg->class1_alg_type;
@@ -2104,44 +2109,26 @@ static void caam_cra_exit(struct crypto_tfm *tfm)
dma_unmap_single(ctx->jrdev, ctx->sh_desc_givenc_dma,
desc_bytes(ctx->sh_desc_givenc),
DMA_TO_DEVICE);
+
+ caam_jr_free(ctx->jrdev);
}
static void __exit caam_algapi_exit(void)
{
- struct device_node *dev_node;
- struct platform_device *pdev;
- struct device *ctrldev;
- struct caam_drv_private *priv;
struct caam_crypto_alg *t_alg, *n;
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
- if (!dev_node) {
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
- if (!dev_node)
- return;
- }
-
- pdev = of_find_device_by_node(dev_node);
- if (!pdev)
- return;
-
- ctrldev = &pdev->dev;
- of_node_put(dev_node);
- priv = dev_get_drvdata(ctrldev);
-
- if (!priv->alg_list.next)
+ if (!alg_list.next)
return;
- list_for_each_entry_safe(t_alg, n, &priv->alg_list, entry) {
+ list_for_each_entry_safe(t_alg, n, &alg_list, entry) {
crypto_unregister_alg(&t_alg->crypto_alg);
list_del(&t_alg->entry);
kfree(t_alg);
}
}
-static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
- struct caam_alg_template
+static struct caam_crypto_alg *caam_alg_alloc(struct caam_alg_template
*template)
{
struct caam_crypto_alg *t_alg;
@@ -2149,7 +2136,7 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
t_alg = kzalloc(sizeof(struct caam_crypto_alg), GFP_KERNEL);
if (!t_alg) {
- dev_err(ctrldev, "failed to allocate t_alg\n");
+ pr_err("failed to allocate t_alg\n");
return ERR_PTR(-ENOMEM);
}
@@ -2181,62 +2168,39 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
t_alg->class1_alg_type = template->class1_alg_type;
t_alg->class2_alg_type = template->class2_alg_type;
t_alg->alg_op = template->alg_op;
- t_alg->ctrldev = ctrldev;
return t_alg;
}
static int __init caam_algapi_init(void)
{
- struct device_node *dev_node;
- struct platform_device *pdev;
- struct device *ctrldev;
- struct caam_drv_private *priv;
int i = 0, err = 0;
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
- if (!dev_node) {
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
- if (!dev_node)
- return -ENODEV;
- }
-
- pdev = of_find_device_by_node(dev_node);
- if (!pdev)
- return -ENODEV;
-
- ctrldev = &pdev->dev;
- priv = dev_get_drvdata(ctrldev);
- of_node_put(dev_node);
-
- INIT_LIST_HEAD(&priv->alg_list);
-
- atomic_set(&priv->tfm_count, -1);
+ INIT_LIST_HEAD(&alg_list);
/* register crypto algorithms the device supports */
for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
/* TODO: check if h/w supports alg */
struct caam_crypto_alg *t_alg;
- t_alg = caam_alg_alloc(ctrldev, &driver_algs[i]);
+ t_alg = caam_alg_alloc(&driver_algs[i]);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
- dev_warn(ctrldev, "%s alg allocation failed\n",
- driver_algs[i].driver_name);
+ pr_warn("%s alg allocation failed\n",
+ driver_algs[i].driver_name);
continue;
}
err = crypto_register_alg(&t_alg->crypto_alg);
if (err) {
- dev_warn(ctrldev, "%s alg registration failed\n",
+ pr_warn("%s alg registration failed\n",
t_alg->crypto_alg.cra_driver_name);
kfree(t_alg);
} else
- list_add_tail(&t_alg->entry, &priv->alg_list);
+ list_add_tail(&t_alg->entry, &alg_list);
}
- if (!list_empty(&priv->alg_list))
- dev_info(ctrldev, "%s algorithms registered in /proc/crypto\n",
- (char *)of_get_property(dev_node, "compatible", NULL));
+ if (!list_empty(&alg_list))
+ pr_info("caam algorithms registered in /proc/crypto\n");
return err;
}
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index e732bd962e98..0378328f47a7 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -94,6 +94,9 @@
#define debug(format, arg...)
#endif
+
+static struct list_head hash_list;
+
/* ahash per-session context */
struct caam_hash_ctx {
struct device *jrdev;
@@ -1653,7 +1656,6 @@ static struct caam_hash_template driver_hash[] = {
struct caam_hash_alg {
struct list_head entry;
- struct device *ctrldev;
int alg_type;
int alg_op;
struct ahash_alg ahash_alg;
@@ -1670,7 +1672,6 @@ static int caam_hash_cra_init(struct crypto_tfm *tfm)
struct caam_hash_alg *caam_hash =
container_of(alg, struct caam_hash_alg, ahash_alg);
struct caam_hash_ctx *ctx = crypto_tfm_ctx(tfm);
- struct caam_drv_private *priv = dev_get_drvdata(caam_hash->ctrldev);
/* Sizes for MDHA running digests: MD5, SHA1, 224, 256, 384, 512 */
static const u8 runninglen[] = { HASH_MSG_LEN + MD5_DIGEST_SIZE,
HASH_MSG_LEN + SHA1_DIGEST_SIZE,
@@ -1678,15 +1679,17 @@ static int caam_hash_cra_init(struct crypto_tfm *tfm)
HASH_MSG_LEN + SHA256_DIGEST_SIZE,
HASH_MSG_LEN + 64,
HASH_MSG_LEN + SHA512_DIGEST_SIZE };
- int tgt_jr = atomic_inc_return(&priv->tfm_count);
int ret = 0;
/*
- * distribute tfms across job rings to ensure in-order
+ * Get a Job ring from Job Ring driver to ensure in-order
* crypto request processing per tfm
*/
- ctx->jrdev = priv->jrdev[tgt_jr % priv->total_jobrs];
-
+ ctx->jrdev = caam_jr_alloc();
+ if (IS_ERR(ctx->jrdev)) {
+ pr_err("Job Ring Device allocation for transform failed\n");
+ return PTR_ERR(ctx->jrdev);
+ }
/* copy descriptor header template value */
ctx->alg_type = OP_TYPE_CLASS2_ALG | caam_hash->alg_type;
ctx->alg_op = OP_TYPE_CLASS2_ALG | caam_hash->alg_op;
@@ -1729,35 +1732,18 @@ static void caam_hash_cra_exit(struct crypto_tfm *tfm)
!dma_mapping_error(ctx->jrdev, ctx->sh_desc_finup_dma))
dma_unmap_single(ctx->jrdev, ctx->sh_desc_finup_dma,
desc_bytes(ctx->sh_desc_finup), DMA_TO_DEVICE);
+
+ caam_jr_free(ctx->jrdev);
}
static void __exit caam_algapi_hash_exit(void)
{
- struct device_node *dev_node;
- struct platform_device *pdev;
- struct device *ctrldev;
- struct caam_drv_private *priv;
struct caam_hash_alg *t_alg, *n;
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
- if (!dev_node) {
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
- if (!dev_node)
- return;
- }
-
- pdev = of_find_device_by_node(dev_node);
- if (!pdev)
+ if (!hash_list.next)
return;
- ctrldev = &pdev->dev;
- of_node_put(dev_node);
- priv = dev_get_drvdata(ctrldev);
-
- if (!priv->hash_list.next)
- return;
-
- list_for_each_entry_safe(t_alg, n, &priv->hash_list, entry) {
+ list_for_each_entry_safe(t_alg, n, &hash_list, entry) {
crypto_unregister_ahash(&t_alg->ahash_alg);
list_del(&t_alg->entry);
kfree(t_alg);
@@ -1765,7 +1751,7 @@ static void __exit caam_algapi_hash_exit(void)
}
static struct caam_hash_alg *
-caam_hash_alloc(struct device *ctrldev, struct caam_hash_template *template,
+caam_hash_alloc(struct caam_hash_template *template,
bool keyed)
{
struct caam_hash_alg *t_alg;
@@ -1774,7 +1760,7 @@ caam_hash_alloc(struct device *ctrldev, struct caam_hash_template *template,
t_alg = kzalloc(sizeof(struct caam_hash_alg), GFP_KERNEL);
if (!t_alg) {
- dev_err(ctrldev, "failed to allocate t_alg\n");
+ pr_err("failed to allocate t_alg\n");
return ERR_PTR(-ENOMEM);
}
@@ -1805,37 +1791,15 @@ caam_hash_alloc(struct device *ctrldev, struct caam_hash_template *template,
t_alg->alg_type = template->alg_type;
t_alg->alg_op = template->alg_op;
- t_alg->ctrldev = ctrldev;
return t_alg;
}
static int __init caam_algapi_hash_init(void)
{
- struct device_node *dev_node;
- struct platform_device *pdev;
- struct device *ctrldev;
- struct caam_drv_private *priv;
int i = 0, err = 0;
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
- if (!dev_node) {
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
- if (!dev_node)
- return -ENODEV;
- }
-
- pdev = of_find_device_by_node(dev_node);
- if (!pdev)
- return -ENODEV;
-
- ctrldev = &pdev->dev;
- priv = dev_get_drvdata(ctrldev);
- of_node_put(dev_node);
-
- INIT_LIST_HEAD(&priv->hash_list);
-
- atomic_set(&priv->tfm_count, -1);
+ INIT_LIST_HEAD(&hash_list);
/* register crypto algorithms the device supports */
for (i = 0; i < ARRAY_SIZE(driver_hash); i++) {
@@ -1843,38 +1807,38 @@ static int __init caam_algapi_hash_init(void)
struct caam_hash_alg *t_alg;
/* register hmac version */
- t_alg = caam_hash_alloc(ctrldev, &driver_hash[i], true);
+ t_alg = caam_hash_alloc(&driver_hash[i], true);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
- dev_warn(ctrldev, "%s alg allocation failed\n",
- driver_hash[i].driver_name);
+ pr_warn("%s alg allocation failed\n",
+ driver_hash[i].driver_name);
continue;
}
err = crypto_register_ahash(&t_alg->ahash_alg);
if (err) {
- dev_warn(ctrldev, "%s alg registration failed\n",
+ pr_warn("%s alg registration failed\n",
t_alg->ahash_alg.halg.base.cra_driver_name);
kfree(t_alg);
} else
- list_add_tail(&t_alg->entry, &priv->hash_list);
+ list_add_tail(&t_alg->entry, &hash_list);
/* register unkeyed version */
- t_alg = caam_hash_alloc(ctrldev, &driver_hash[i], false);
+ t_alg = caam_hash_alloc(&driver_hash[i], false);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
- dev_warn(ctrldev, "%s alg allocation failed\n",
- driver_hash[i].driver_name);
+ pr_warn("%s alg allocation failed\n",
+ driver_hash[i].driver_name);
continue;
}
err = crypto_register_ahash(&t_alg->ahash_alg);
if (err) {
- dev_warn(ctrldev, "%s alg registration failed\n",
+ pr_warn("%s alg registration failed\n",
t_alg->ahash_alg.halg.base.cra_driver_name);
kfree(t_alg);
} else
- list_add_tail(&t_alg->entry, &priv->hash_list);
+ list_add_tail(&t_alg->entry, &hash_list);
}
return err;
diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c
index d1939a9539c0..28486b19fc36 100644
--- a/drivers/crypto/caam/caamrng.c
+++ b/drivers/crypto/caam/caamrng.c
@@ -273,34 +273,23 @@ static struct hwrng caam_rng = {
static void __exit caam_rng_exit(void)
{
+ caam_jr_free(rng_ctx.jrdev);
hwrng_unregister(&caam_rng);
}
static int __init caam_rng_init(void)
{
- struct device_node *dev_node;
- struct platform_device *pdev;
- struct device *ctrldev;
- struct caam_drv_private *priv;
-
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
- if (!dev_node) {
- dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
- if (!dev_node)
- return -ENODEV;
- }
-
- pdev = of_find_device_by_node(dev_node);
- if (!pdev)
- return -ENODEV;
+ struct device *dev;
- ctrldev = &pdev->dev;
- priv = dev_get_drvdata(ctrldev);
- of_node_put(dev_node);
+ dev = caam_jr_alloc();
+ if (IS_ERR(dev)) {
+ pr_err("Job Ring Device allocation for transform failed\n");
+ return PTR_ERR(dev);
+ }
- caam_init_rng(&rng_ctx, priv->jrdev[0]);
+ caam_init_rng(&rng_ctx, dev);
- dev_info(priv->jrdev[0], "registering rng-caam\n");
+ dev_info(dev, "registering rng-caam\n");
return hwrng_register(&caam_rng);
}
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index bc6d820812b6..63fb1af2c431 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -16,82 +16,75 @@
#include "error.h"
#include "ctrl.h"
-static int caam_remove(struct platform_device *pdev)
-{
- struct device *ctrldev;
- struct caam_drv_private *ctrlpriv;
- struct caam_drv_private_jr *jrpriv;
- struct caam_full __iomem *topregs;
- int ring, ret = 0;
-
- ctrldev = &pdev->dev;
- ctrlpriv = dev_get_drvdata(ctrldev);
- topregs = (struct caam_full __iomem *)ctrlpriv->ctrl;
-
- /* shut down JobRs */
- for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) {
- ret |= caam_jr_shutdown(ctrlpriv->jrdev[ring]);
- jrpriv = dev_get_drvdata(ctrlpriv->jrdev[ring]);
- irq_dispose_mapping(jrpriv->irq);
- }
-
- /* Shut down debug views */
-#ifdef CONFIG_DEBUG_FS
- debugfs_remove_recursive(ctrlpriv->dfs_root);
-#endif
-
- /* Unmap controller region */
- iounmap(&topregs->ctrl);
-
- kfree(ctrlpriv->jrdev);
- kfree(ctrlpriv);
-
- return ret;
-}
-
/*
* Descriptor to instantiate RNG State Handle 0 in normal mode and
* load the JDKEK, TDKEK and TDSK registers
*/
-static void build_instantiation_desc(u32 *desc)
+static void build_instantiation_desc(u32 *desc, int handle, int do_sk)
{
- u32 *jump_cmd;
+ u32 *jump_cmd, op_flags;
init_job_desc(desc, 0);
+ op_flags = OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG |
+ (handle << OP_ALG_AAI_SHIFT) | OP_ALG_AS_INIT;
+
/* INIT RNG in non-test mode */
- append_operation(desc, OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG |
- OP_ALG_AS_INIT);
+ append_operation(desc, op_flags);
+
+ if (!handle && do_sk) {
+ /*
+ * For SH0, Secure Keys must be generated as well
+ */
+
+ /* wait for done */
+ jump_cmd = append_jump(desc, JUMP_CLASS_CLASS1);
+ set_jump_tgt_here(desc, jump_cmd);
+
+ /*
+ * load 1 to clear written reg:
+ * resets the done interrrupt and returns the RNG to idle.
+ */
+ append_load_imm_u32(desc, 1, LDST_SRCDST_WORD_CLRW);
+
+ /* Initialize State Handle */
+ append_operation(desc, OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG |
+ OP_ALG_AAI_RNG4_SK);
+ }
- /* wait for done */
- jump_cmd = append_jump(desc, JUMP_CLASS_CLASS1);
- set_jump_tgt_here(desc, jump_cmd);
+ append_jump(desc, JUMP_CLASS_CLASS1 | JUMP_TYPE_HALT);
+}
- /*
- * load 1 to clear written reg:
- * resets the done interrupt and returns the RNG to idle.
- */
- append_load_imm_u32(desc, 1, LDST_SRCDST_WORD_CLRW);
+/* Descriptor for deinstantiation of State Handle 0 of the RNG block. */
+static void build_deinstantiation_desc(u32 *desc, int handle)
+{
+ init_job_desc(desc, 0);
- /* generate secure keys (non-test) */
+ /* Uninstantiate State Handle 0 */
append_operation(desc, OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG |
- OP_ALG_RNG4_SK);
+ (handle << OP_ALG_AAI_SHIFT) | OP_ALG_AS_INITFINAL);
+
+ append_jump(desc, JUMP_CLASS_CLASS1 | JUMP_TYPE_HALT);
}
-static int instantiate_rng(struct device *ctrldev)
+/*
+ * run_descriptor_deco0 - runs a descriptor on DECO0, under direct control of
+ * the software (no JR/QI used).
+ * @ctrldev - pointer to device
+ * @status - descriptor status, after being run
+ *
+ * Return: - 0 if no error occurred
+ * - -ENODEV if the DECO couldn't be acquired
+ * - -EAGAIN if an error occurred while executing the descriptor
+ */
+static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc,
+ u32 *status)
{
struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev);
struct caam_full __iomem *topregs;
unsigned int timeout = 100000;
- u32 *desc;
- int i, ret = 0;
-
- desc = kmalloc(CAAM_CMD_SZ * 6, GFP_KERNEL | GFP_DMA);
- if (!desc) {
- dev_err(ctrldev, "can't allocate RNG init descriptor memory\n");
- return -ENOMEM;
- }
- build_instantiation_desc(desc);
+ u32 deco_dbg_reg, flags;
+ int i;
/* Set the bit to request direct access to DECO0 */
topregs = (struct caam_full __iomem *)ctrlpriv->ctrl;
@@ -103,36 +96,219 @@ static int instantiate_rng(struct device *ctrldev)
if (!timeout) {
dev_err(ctrldev, "failed to acquire DECO 0\n");
- ret = -EIO;
- goto out;
+ clrbits32(&topregs->ctrl.deco_rq, DECORR_RQD0ENABLE);
+ return -ENODEV;
}
for (i = 0; i < desc_len(desc); i++)
- topregs->deco.descbuf[i] = *(desc + i);
+ wr_reg32(&topregs->deco.descbuf[i], *(desc + i));
+
+ flags = DECO_JQCR_WHL;
+ /*
+ * If the descriptor length is longer than 4 words, then the
+ * FOUR bit in JRCTRL register must be set.
+ */
+ if (desc_len(desc) >= 4)
+ flags |= DECO_JQCR_FOUR;
- wr_reg32(&topregs->deco.jr_ctl_hi, DECO_JQCR_WHL | DECO_JQCR_FOUR);
+ /* Instruct the DECO to execute it */
+ wr_reg32(&topregs->deco.jr_ctl_hi, flags);
timeout = 10000000;
- while ((rd_reg32(&topregs->deco.desc_dbg) & DECO_DBG_VALID) &&
- --timeout)
+ do {
+ deco_dbg_reg = rd_reg32(&topregs->deco.desc_dbg);
+ /*
+ * If an error occured in the descriptor, then
+ * the DECO status field will be set to 0x0D
+ */
+ if ((deco_dbg_reg & DESC_DBG_DECO_STAT_MASK) ==
+ DESC_DBG_DECO_STAT_HOST_ERR)
+ break;
cpu_relax();
+ } while ((deco_dbg_reg & DESC_DBG_DECO_STAT_VALID) && --timeout);
- if (!timeout) {
- dev_err(ctrldev, "failed to instantiate RNG\n");
- ret = -EIO;
- }
+ *status = rd_reg32(&topregs->deco.op_status_hi) &
+ DECO_OP_STATUS_HI_ERR_MASK;
+ /* Mark the DECO as free */
clrbits32(&topregs->ctrl.deco_rq, DECORR_RQD0ENABLE);
-out:
+
+ if (!timeout)
+ return -EAGAIN;
+
+ return 0;
+}
+
+/*
+ * instantiate_rng - builds and executes a descriptor on DECO0,
+ * which initializes the RNG block.
+ * @ctrldev - pointer to device
+ * @state_handle_mask - bitmask containing the instantiation status
+ * for the RNG4 state handles which exist in
+ * the RNG4 block: 1 if it's been instantiated
+ * by an external entry, 0 otherwise.
+ * @gen_sk - generate data to be loaded into the JDKEK, TDKEK and TDSK;
+ * Caution: this can be done only once; if the keys need to be
+ * regenerated, a POR is required
+ *
+ * Return: - 0 if no error occurred
+ * - -ENOMEM if there isn't enough memory to allocate the descriptor
+ * - -ENODEV if DECO0 couldn't be acquired
+ * - -EAGAIN if an error occurred when executing the descriptor
+ * f.i. there was a RNG hardware error due to not "good enough"
+ * entropy being aquired.
+ */
+static int instantiate_rng(struct device *ctrldev, int state_handle_mask,
+ int gen_sk)
+{
+ struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev);
+ struct caam_full __iomem *topregs;
+ struct rng4tst __iomem *r4tst;
+ u32 *desc, status, rdsta_val;
+ int ret = 0, sh_idx;
+
+ topregs = (struct caam_full __iomem *)ctrlpriv->ctrl;
+ r4tst = &topregs->ctrl.r4tst[0];
+
+ desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL);
+ if (!desc)
+ return -ENOMEM;
+
+ for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) {
+ /*
+ * If the corresponding bit is set, this state handle
+ * was initialized by somebody else, so it's left alone.
+ */
+ if ((1 << sh_idx) & state_handle_mask)
+ continue;
+
+ /* Create the descriptor for instantiating RNG State Handle */
+ build_instantiation_desc(desc, sh_idx, gen_sk);
+
+ /* Try to run it through DECO0 */
+ ret = run_descriptor_deco0(ctrldev, desc, &status);
+
+ /*
+ * If ret is not 0, or descriptor status is not 0, then
+ * something went wrong. No need to try the next state
+ * handle (if available), bail out here.
+ * Also, if for some reason, the State Handle didn't get
+ * instantiated although the descriptor has finished
+ * without any error (HW optimizations for later
+ * CAAM eras), then try again.
+ */
+ rdsta_val =
+ rd_reg32(&topregs->ctrl.r4tst[0].rdsta) & RDSTA_IFMASK;
+ if (status || !(rdsta_val & (1 << sh_idx)))
+ ret = -EAGAIN;
+ if (ret)
+ break;
+
+ dev_info(ctrldev, "Instantiated RNG4 SH%d\n", sh_idx);
+ /* Clear the contents before recreating the descriptor */
+ memset(desc, 0x00, CAAM_CMD_SZ * 7);
+ }
+
kfree(desc);
+
return ret;
}
/*
- * By default, the TRNG runs for 200 clocks per sample;
- * 1600 clocks per sample generates better entropy.
+ * deinstantiate_rng - builds and executes a descriptor on DECO0,
+ * which deinitializes the RNG block.
+ * @ctrldev - pointer to device
+ * @state_handle_mask - bitmask containing the instantiation status
+ * for the RNG4 state handles which exist in
+ * the RNG4 block: 1 if it's been instantiated
+ *
+ * Return: - 0 if no error occurred
+ * - -ENOMEM if there isn't enough memory to allocate the descriptor
+ * - -ENODEV if DECO0 couldn't be acquired
+ * - -EAGAIN if an error occurred when executing the descriptor
*/
-static void kick_trng(struct platform_device *pdev)
+static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask)
+{
+ u32 *desc, status;
+ int sh_idx, ret = 0;
+
+ desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL);
+ if (!desc)
+ return -ENOMEM;
+
+ for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) {
+ /*
+ * If the corresponding bit is set, then it means the state
+ * handle was initialized by us, and thus it needs to be
+ * deintialized as well
+ */
+ if ((1 << sh_idx) & state_handle_mask) {
+ /*
+ * Create the descriptor for deinstantating this state
+ * handle
+ */
+ build_deinstantiation_desc(desc, sh_idx);
+
+ /* Try to run it through DECO0 */
+ ret = run_descriptor_deco0(ctrldev, desc, &status);
+
+ if (ret || status) {
+ dev_err(ctrldev,
+ "Failed to deinstantiate RNG4 SH%d\n",
+ sh_idx);
+ break;
+ }
+ dev_info(ctrldev, "Deinstantiated RNG4 SH%d\n", sh_idx);
+ }
+ }
+
+ kfree(desc);
+
+ return ret;
+}
+
+static int caam_remove(struct platform_device *pdev)
+{
+ struct device *ctrldev;
+ struct caam_drv_private *ctrlpriv;
+ struct caam_full __iomem *topregs;
+ int ring, ret = 0;
+
+ ctrldev = &pdev->dev;
+ ctrlpriv = dev_get_drvdata(ctrldev);
+ topregs = (struct caam_full __iomem *)ctrlpriv->ctrl;
+
+ /* Remove platform devices for JobRs */
+ for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) {
+ if (ctrlpriv->jrpdev[ring])
+ of_device_unregister(ctrlpriv->jrpdev[ring]);
+ }
+
+ /* De-initialize RNG state handles initialized by this driver. */
+ if (ctrlpriv->rng4_sh_init)
+ deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init);
+
+ /* Shut down debug views */
+#ifdef CONFIG_DEBUG_FS
+ debugfs_remove_recursive(ctrlpriv->dfs_root);
+#endif
+
+ /* Unmap controller region */
+ iounmap(&topregs->ctrl);
+
+ kfree(ctrlpriv->jrpdev);
+ kfree(ctrlpriv);
+
+ return ret;
+}
+
+/*
+ * kick_trng - sets the various parameters for enabling the initialization
+ * of the RNG4 block in CAAM
+ * @pdev - pointer to the platform device
+ * @ent_delay - Defines the length (in system clocks) of each entropy sample.
+ */
+static void kick_trng(struct platform_device *pdev, int ent_delay)
{
struct device *ctrldev = &pdev->dev;
struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev);
@@ -145,14 +321,31 @@ static void kick_trng(struct platform_device *pdev)
/* put RNG4 into program mode */
setbits32(&r4tst->rtmctl, RTMCTL_PRGM);
- /* 1600 clocks per sample */
+
+ /*
+ * Performance-wise, it does not make sense to
+ * set the delay to a value that is lower
+ * than the last one that worked (i.e. the state handles
+ * were instantiated properly. Thus, instead of wasting
+ * time trying to set the values controlling the sample
+ * frequency, the function simply returns.
+ */
+ val = (rd_reg32(&r4tst->rtsdctl) & RTSDCTL_ENT_DLY_MASK)
+ >> RTSDCTL_ENT_DLY_SHIFT;
+ if (ent_delay <= val) {
+ /* put RNG4 into run mode */
+ clrbits32(&r4tst->rtmctl, RTMCTL_PRGM);
+ return;
+ }
+
val = rd_reg32(&r4tst->rtsdctl);
- val = (val & ~RTSDCTL_ENT_DLY_MASK) | (1600 << RTSDCTL_ENT_DLY_SHIFT);
+ val = (val & ~RTSDCTL_ENT_DLY_MASK) |
+ (ent_delay << RTSDCTL_ENT_DLY_SHIFT);
wr_reg32(&r4tst->rtsdctl, val);
- /* min. freq. count */
- wr_reg32(&r4tst->rtfrqmin, 400);
- /* max. freq. count */
- wr_reg32(&r4tst->rtfrqmax, 6400);
+ /* min. freq. count, equal to 1/4 of the entropy sample length */
+ wr_reg32(&r4tst->rtfrqmin, ent_delay >> 2);
+ /* max. freq. count, equal to 8 times the entropy sample length */
+ wr_reg32(&r4tst->rtfrqmax, ent_delay << 3);
/* put RNG4 into run mode */
clrbits32(&r4tst->rtmctl, RTMCTL_PRGM);
}
@@ -193,7 +386,7 @@ EXPORT_SYMBOL(caam_get_era);
/* Probe routine for CAAM top (controller) level */
static int caam_probe(struct platform_device *pdev)
{
- int ret, ring, rspec;
+ int ret, ring, rspec, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN;
u64 caam_id;
struct device *dev;
struct device_node *nprop, *np;
@@ -258,8 +451,9 @@ static int caam_probe(struct platform_device *pdev)
rspec++;
}
- ctrlpriv->jrdev = kzalloc(sizeof(struct device *) * rspec, GFP_KERNEL);
- if (ctrlpriv->jrdev == NULL) {
+ ctrlpriv->jrpdev = kzalloc(sizeof(struct platform_device *) * rspec,
+ GFP_KERNEL);
+ if (ctrlpriv->jrpdev == NULL) {
iounmap(&topregs->ctrl);
return -ENOMEM;
}
@@ -267,13 +461,24 @@ static int caam_probe(struct platform_device *pdev)
ring = 0;
ctrlpriv->total_jobrs = 0;
for_each_compatible_node(np, NULL, "fsl,sec-v4.0-job-ring") {
- caam_jr_probe(pdev, np, ring);
+ ctrlpriv->jrpdev[ring] =
+ of_platform_device_create(np, NULL, dev);
+ if (!ctrlpriv->jrpdev[ring]) {
+ pr_warn("JR%d Platform device creation error\n", ring);
+ continue;
+ }
ctrlpriv->total_jobrs++;
ring++;
}
if (!ring) {
for_each_compatible_node(np, NULL, "fsl,sec4.0-job-ring") {
- caam_jr_probe(pdev, np, ring);
+ ctrlpriv->jrpdev[ring] =
+ of_platform_device_create(np, NULL, dev);
+ if (!ctrlpriv->jrpdev[ring]) {
+ pr_warn("JR%d Platform device creation error\n",
+ ring);
+ continue;
+ }
ctrlpriv->total_jobrs++;
ring++;
}
@@ -299,16 +504,55 @@ static int caam_probe(struct platform_device *pdev)
/*
* If SEC has RNG version >= 4 and RNG state handle has not been
- * already instantiated ,do RNG instantiation
+ * already instantiated, do RNG instantiation
*/
- if ((cha_vid & CHA_ID_RNG_MASK) >> CHA_ID_RNG_SHIFT >= 4 &&
- !(rd_reg32(&topregs->ctrl.r4tst[0].rdsta) & RDSTA_IF0)) {
- kick_trng(pdev);
- ret = instantiate_rng(dev);
+ if ((cha_vid & CHA_ID_RNG_MASK) >> CHA_ID_RNG_SHIFT >= 4) {
+ ctrlpriv->rng4_sh_init =
+ rd_reg32(&topregs->ctrl.r4tst[0].rdsta);
+ /*
+ * If the secure keys (TDKEK, JDKEK, TDSK), were already
+ * generated, signal this to the function that is instantiating
+ * the state handles. An error would occur if RNG4 attempts
+ * to regenerate these keys before the next POR.
+ */
+ gen_sk = ctrlpriv->rng4_sh_init & RDSTA_SKVN ? 0 : 1;
+ ctrlpriv->rng4_sh_init &= RDSTA_IFMASK;
+ do {
+ int inst_handles =
+ rd_reg32(&topregs->ctrl.r4tst[0].rdsta) &
+ RDSTA_IFMASK;
+ /*
+ * If either SH were instantiated by somebody else
+ * (e.g. u-boot) then it is assumed that the entropy
+ * parameters are properly set and thus the function
+ * setting these (kick_trng(...)) is skipped.
+ * Also, if a handle was instantiated, do not change
+ * the TRNG parameters.
+ */
+ if (!(ctrlpriv->rng4_sh_init || inst_handles)) {
+ kick_trng(pdev, ent_delay);
+ ent_delay += 400;
+ }
+ /*
+ * if instantiate_rng(...) fails, the loop will rerun
+ * and the kick_trng(...) function will modfiy the
+ * upper and lower limits of the entropy sampling
+ * interval, leading to a sucessful initialization of
+ * the RNG.
+ */
+ ret = instantiate_rng(dev, inst_handles,
+ gen_sk);
+ } while ((ret == -EAGAIN) && (ent_delay < RTSDCTL_ENT_DLY_MAX));
if (ret) {
+ dev_err(dev, "failed to instantiate RNG");
caam_remove(pdev);
return ret;
}
+ /*
+ * Set handles init'ed by this module as the complement of the
+ * already initialized ones
+ */
+ ctrlpriv->rng4_sh_init = ~ctrlpriv->rng4_sh_init & RDSTA_IFMASK;
/* Enable RDB bit so that RNG works faster */
setbits32(&topregs->ctrl.scfgr, SCFGR_RDBENABLE);
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h
index 53b296f78b0d..7e4500f18df6 100644
--- a/drivers/crypto/caam/desc.h
+++ b/drivers/crypto/caam/desc.h
@@ -1155,8 +1155,15 @@ struct sec4_sg_entry {
/* randomizer AAI set */
#define OP_ALG_AAI_RNG (0x00 << OP_ALG_AAI_SHIFT)
-#define OP_ALG_AAI_RNG_NOZERO (0x10 << OP_ALG_AAI_SHIFT)
-#define OP_ALG_AAI_RNG_ODD (0x20 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_RNG_NZB (0x10 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_RNG_OBP (0x20 << OP_ALG_AAI_SHIFT)
+
+/* RNG4 AAI set */
+#define OP_ALG_AAI_RNG4_SH_0 (0x00 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_RNG4_SH_1 (0x01 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_RNG4_PS (0x40 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_RNG4_AI (0x80 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_RNG4_SK (0x100 << OP_ALG_AAI_SHIFT)
/* hmac/smac AAI set */
#define OP_ALG_AAI_HASH (0x00 << OP_ALG_AAI_SHIFT)
@@ -1178,12 +1185,6 @@ struct sec4_sg_entry {
#define OP_ALG_AAI_GSM (0x10 << OP_ALG_AAI_SHIFT)
#define OP_ALG_AAI_EDGE (0x20 << OP_ALG_AAI_SHIFT)
-/* RNG4 set */
-#define OP_ALG_RNG4_SHIFT 4
-#define OP_ALG_RNG4_MASK (0x1f3 << OP_ALG_RNG4_SHIFT)
-
-#define OP_ALG_RNG4_SK (0x100 << OP_ALG_RNG4_SHIFT)
-
#define OP_ALG_AS_SHIFT 2
#define OP_ALG_AS_MASK (0x3 << OP_ALG_AS_SHIFT)
#define OP_ALG_AS_UPDATE (0 << OP_ALG_AS_SHIFT)
diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
index 34c4b9f7fbfa..6d85fcc5bd0a 100644
--- a/drivers/crypto/caam/intern.h
+++ b/drivers/crypto/caam/intern.h
@@ -37,13 +37,16 @@ struct caam_jrentry_info {
/* Private sub-storage for a single JobR */
struct caam_drv_private_jr {
- struct device *parentdev; /* points back to controller dev */
- struct platform_device *jr_pdev;/* points to platform device for JR */
+ struct list_head list_node; /* Job Ring device list */
+ struct device *dev;
int ridx;
struct caam_job_ring __iomem *rregs; /* JobR's register space */
struct tasklet_struct irqtask;
int irq; /* One per queue */
+ /* Number of scatterlist crypt transforms active on the JobR */
+ atomic_t tfm_count ____cacheline_aligned;
+
/* Job ring info */
int ringsize; /* Size of rings (assume input = output) */
struct caam_jrentry_info *entinfo; /* Alloc'ed 1 per ring entry */
@@ -63,7 +66,7 @@ struct caam_drv_private_jr {
struct caam_drv_private {
struct device *dev;
- struct device **jrdev; /* Alloc'ed array per sub-device */
+ struct platform_device **jrpdev; /* Alloc'ed array per sub-device */
struct platform_device *pdev;
/* Physical-presence section */
@@ -80,12 +83,11 @@ struct caam_drv_private {
u8 qi_present; /* Nonzero if QI present in device */
int secvio_irq; /* Security violation interrupt number */
- /* which jr allocated to scatterlist crypto */
- atomic_t tfm_count ____cacheline_aligned;
- /* list of registered crypto algorithms (mk generic context handle?) */
- struct list_head alg_list;
- /* list of registered hash algorithms (mk generic context handle?) */
- struct list_head hash_list;
+#define RNG4_MAX_HANDLES 2
+ /* RNG4 block */
+ u32 rng4_sh_init; /* This bitmap shows which of the State
+ Handles of the RNG4 block are initialized
+ by this driver */
/*
* debugfs entries for developer view into driver/device
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index bdb786d5a5e5..1d80bd3636c5 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -6,6 +6,7 @@
*/
#include <linux/of_irq.h>
+#include <linux/of_address.h>
#include "compat.h"
#include "regs.h"
@@ -13,6 +14,113 @@
#include "desc.h"
#include "intern.h"
+struct jr_driver_data {
+ /* List of Physical JobR's with the Driver */
+ struct list_head jr_list;
+ spinlock_t jr_alloc_lock; /* jr_list lock */
+} ____cacheline_aligned;
+
+static struct jr_driver_data driver_data;
+
+static int caam_reset_hw_jr(struct device *dev)
+{
+ struct caam_drv_private_jr *jrp = dev_get_drvdata(dev);
+ unsigned int timeout = 100000;
+
+ /*
+ * mask interrupts since we are going to poll
+ * for reset completion status
+ */
+ setbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK);
+
+ /* initiate flush (required prior to reset) */
+ wr_reg32(&jrp->rregs->jrcommand, JRCR_RESET);
+ while (((rd_reg32(&jrp->rregs->jrintstatus) & JRINT_ERR_HALT_MASK) ==
+ JRINT_ERR_HALT_INPROGRESS) && --timeout)
+ cpu_relax();
+
+ if ((rd_reg32(&jrp->rregs->jrintstatus) & JRINT_ERR_HALT_MASK) !=
+ JRINT_ERR_HALT_COMPLETE || timeout == 0) {
+ dev_err(dev, "failed to flush job ring %d\n", jrp->ridx);
+ return -EIO;
+ }
+
+ /* initiate reset */
+ timeout = 100000;
+ wr_reg32(&jrp->rregs->jrcommand, JRCR_RESET);
+ while ((rd_reg32(&jrp->rregs->jrcommand) & JRCR_RESET) && --timeout)
+ cpu_relax();
+
+ if (timeout == 0) {
+ dev_err(dev, "failed to reset job ring %d\n", jrp->ridx);
+ return -EIO;
+ }
+
+ /* unmask interrupts */
+ clrbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK);
+
+ return 0;
+}
+
+/*
+ * Shutdown JobR independent of platform property code
+ */
+int caam_jr_shutdown(struct device *dev)
+{
+ struct caam_drv_private_jr *jrp = dev_get_drvdata(dev);
+ dma_addr_t inpbusaddr, outbusaddr;
+ int ret;
+
+ ret = caam_reset_hw_jr(dev);
+
+ tasklet_kill(&jrp->irqtask);
+
+ /* Release interrupt */
+ free_irq(jrp->irq, dev);
+
+ /* Free rings */
+ inpbusaddr = rd_reg64(&jrp->rregs->inpring_base);
+ outbusaddr = rd_reg64(&jrp->rregs->outring_base);
+ dma_free_coherent(dev, sizeof(dma_addr_t) * JOBR_DEPTH,
+ jrp->inpring, inpbusaddr);
+ dma_free_coherent(dev, sizeof(struct jr_outentry) * JOBR_DEPTH,
+ jrp->outring, outbusaddr);
+ kfree(jrp->entinfo);
+
+ return ret;
+}
+
+static int caam_jr_remove(struct platform_device *pdev)
+{
+ int ret;
+ struct device *jrdev;
+ struct caam_drv_private_jr *jrpriv;
+
+ jrdev = &pdev->dev;
+ jrpriv = dev_get_drvdata(jrdev);
+
+ /*
+ * Return EBUSY if job ring already allocated.
+ */
+ if (atomic_read(&jrpriv->tfm_count)) {
+ dev_err(jrdev, "Device is busy\n");
+ return -EBUSY;
+ }
+
+ /* Remove the node from Physical JobR list maintained by driver */
+ spin_lock(&driver_data.jr_alloc_lock);
+ list_del(&jrpriv->list_node);
+ spin_unlock(&driver_data.jr_alloc_lock);
+
+ /* Release ring */
+ ret = caam_jr_shutdown(jrdev);
+ if (ret)
+ dev_err(jrdev, "Failed to shut down job ring\n");
+ irq_dispose_mapping(jrpriv->irq);
+
+ return ret;
+}
+
/* Main per-ring interrupt handler */
static irqreturn_t caam_jr_interrupt(int irq, void *st_dev)
{
@@ -128,6 +236,59 @@ static void caam_jr_dequeue(unsigned long devarg)
}
/**
+ * caam_jr_alloc() - Alloc a job ring for someone to use as needed.
+ *
+ * returns : pointer to the newly allocated physical
+ * JobR dev can be written to if successful.
+ **/
+struct device *caam_jr_alloc(void)
+{
+ struct caam_drv_private_jr *jrpriv, *min_jrpriv = NULL;
+ struct device *dev = NULL;
+ int min_tfm_cnt = INT_MAX;
+ int tfm_cnt;
+
+ spin_lock(&driver_data.jr_alloc_lock);
+
+ if (list_empty(&driver_data.jr_list)) {
+ spin_unlock(&driver_data.jr_alloc_lock);
+ return ERR_PTR(-ENODEV);
+ }
+
+ list_for_each_entry(jrpriv, &driver_data.jr_list, list_node) {
+ tfm_cnt = atomic_read(&jrpriv->tfm_count);
+ if (tfm_cnt < min_tfm_cnt) {
+ min_tfm_cnt = tfm_cnt;
+ min_jrpriv = jrpriv;
+ }
+ if (!min_tfm_cnt)
+ break;
+ }
+
+ if (min_jrpriv) {
+ atomic_inc(&min_jrpriv->tfm_count);
+ dev = min_jrpriv->dev;
+ }
+ spin_unlock(&driver_data.jr_alloc_lock);
+
+ return dev;
+}
+EXPORT_SYMBOL(caam_jr_alloc);
+
+/**
+ * caam_jr_free() - Free the Job Ring
+ * @rdev - points to the dev that identifies the Job ring to
+ * be released.
+ **/
+void caam_jr_free(struct device *rdev)
+{
+ struct caam_drv_private_jr *jrpriv = dev_get_drvdata(rdev);
+
+ atomic_dec(&jrpriv->tfm_count);
+}
+EXPORT_SYMBOL(caam_jr_free);
+
+/**
* caam_jr_enqueue() - Enqueue a job descriptor head. Returns 0 if OK,
* -EBUSY if the queue is full, -EIO if it cannot map the caller's
* descriptor.
@@ -207,46 +368,6 @@ int caam_jr_enqueue(struct device *dev, u32 *desc,
}
EXPORT_SYMBOL(caam_jr_enqueue);
-static int caam_reset_hw_jr(struct device *dev)
-{
- struct caam_drv_private_jr *jrp = dev_get_drvdata(dev);
- unsigned int timeout = 100000;
-
- /*
- * mask interrupts since we are going to poll
- * for reset completion status
- */
- setbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK);
-
- /* initiate flush (required prior to reset) */
- wr_reg32(&jrp->rregs->jrcommand, JRCR_RESET);
- while (((rd_reg32(&jrp->rregs->jrintstatus) & JRINT_ERR_HALT_MASK) ==
- JRINT_ERR_HALT_INPROGRESS) && --timeout)
- cpu_relax();
-
- if ((rd_reg32(&jrp->rregs->jrintstatus) & JRINT_ERR_HALT_MASK) !=
- JRINT_ERR_HALT_COMPLETE || timeout == 0) {
- dev_err(dev, "failed to flush job ring %d\n", jrp->ridx);
- return -EIO;
- }
-
- /* initiate reset */
- timeout = 100000;
- wr_reg32(&jrp->rregs->jrcommand, JRCR_RESET);
- while ((rd_reg32(&jrp->rregs->jrcommand) & JRCR_RESET) && --timeout)
- cpu_relax();
-
- if (timeout == 0) {
- dev_err(dev, "failed to reset job ring %d\n", jrp->ridx);
- return -EIO;
- }
-
- /* unmask interrupts */
- clrbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK);
-
- return 0;
-}
-
/*
* Init JobR independent of platform property detection
*/
@@ -262,7 +383,7 @@ static int caam_jr_init(struct device *dev)
/* Connect job ring interrupt handler. */
error = request_irq(jrp->irq, caam_jr_interrupt, IRQF_SHARED,
- "caam-jobr", dev);
+ dev_name(dev), dev);
if (error) {
dev_err(dev, "can't connect JobR %d interrupt (%d)\n",
jrp->ridx, jrp->irq);
@@ -318,86 +439,43 @@ static int caam_jr_init(struct device *dev)
return 0;
}
-/*
- * Shutdown JobR independent of platform property code
- */
-int caam_jr_shutdown(struct device *dev)
-{
- struct caam_drv_private_jr *jrp = dev_get_drvdata(dev);
- dma_addr_t inpbusaddr, outbusaddr;
- int ret;
-
- ret = caam_reset_hw_jr(dev);
-
- tasklet_kill(&jrp->irqtask);
-
- /* Release interrupt */
- free_irq(jrp->irq, dev);
-
- /* Free rings */
- inpbusaddr = rd_reg64(&jrp->rregs->inpring_base);
- outbusaddr = rd_reg64(&jrp->rregs->outring_base);
- dma_free_coherent(dev, sizeof(dma_addr_t) * JOBR_DEPTH,
- jrp->inpring, inpbusaddr);
- dma_free_coherent(dev, sizeof(struct jr_outentry) * JOBR_DEPTH,
- jrp->outring, outbusaddr);
- kfree(jrp->entinfo);
- of_device_unregister(jrp->jr_pdev);
-
- return ret;
-}
/*
- * Probe routine for each detected JobR subsystem. It assumes that
- * property detection was picked up externally.
+ * Probe routine for each detected JobR subsystem.
*/
-int caam_jr_probe(struct platform_device *pdev, struct device_node *np,
- int ring)
+static int caam_jr_probe(struct platform_device *pdev)
{
- struct device *ctrldev, *jrdev;
- struct platform_device *jr_pdev;
- struct caam_drv_private *ctrlpriv;
+ struct device *jrdev;
+ struct device_node *nprop;
+ struct caam_job_ring __iomem *ctrl;
struct caam_drv_private_jr *jrpriv;
- u32 *jroffset;
+ static int total_jobrs;
int error;
- ctrldev = &pdev->dev;
- ctrlpriv = dev_get_drvdata(ctrldev);
-
+ jrdev = &pdev->dev;
jrpriv = kmalloc(sizeof(struct caam_drv_private_jr),
GFP_KERNEL);
- if (jrpriv == NULL) {
- dev_err(ctrldev, "can't alloc private mem for job ring %d\n",
- ring);
+ if (!jrpriv)
return -ENOMEM;
- }
- jrpriv->parentdev = ctrldev; /* point back to parent */
- jrpriv->ridx = ring; /* save ring identity relative to detection */
- /*
- * Derive a pointer to the detected JobRs regs
- * Driver has already iomapped the entire space, we just
- * need to add in the offset to this JobR. Don't know if I
- * like this long-term, but it'll run
- */
- jroffset = (u32 *)of_get_property(np, "reg", NULL);
- jrpriv->rregs = (struct caam_job_ring __iomem *)((void *)ctrlpriv->ctrl
- + *jroffset);
+ dev_set_drvdata(jrdev, jrpriv);
- /* Build a local dev for each detected queue */
- jr_pdev = of_platform_device_create(np, NULL, ctrldev);
- if (jr_pdev == NULL) {
- kfree(jrpriv);
- return -EINVAL;
+ /* save ring identity relative to detection */
+ jrpriv->ridx = total_jobrs++;
+
+ nprop = pdev->dev.of_node;
+ /* Get configuration properties from device tree */
+ /* First, get register page */
+ ctrl = of_iomap(nprop, 0);
+ if (!ctrl) {
+ dev_err(jrdev, "of_iomap() failed\n");
+ return -ENOMEM;
}
- jrpriv->jr_pdev = jr_pdev;
- jrdev = &jr_pdev->dev;
- dev_set_drvdata(jrdev, jrpriv);
- ctrlpriv->jrdev[ring] = jrdev;
+ jrpriv->rregs = (struct caam_job_ring __force *)ctrl;
if (sizeof(dma_addr_t) == sizeof(u64))
- if (of_device_is_compatible(np, "fsl,sec-v5.0-job-ring"))
+ if (of_device_is_compatible(nprop, "fsl,sec-v5.0-job-ring"))
dma_set_mask(jrdev, DMA_BIT_MASK(40));
else
dma_set_mask(jrdev, DMA_BIT_MASK(36));
@@ -405,15 +483,61 @@ int caam_jr_probe(struct platform_device *pdev, struct device_node *np,
dma_set_mask(jrdev, DMA_BIT_MASK(32));
/* Identify the interrupt */
- jrpriv->irq = irq_of_parse_and_map(np, 0);
+ jrpriv->irq = irq_of_parse_and_map(nprop, 0);
/* Now do the platform independent part */
error = caam_jr_init(jrdev); /* now turn on hardware */
if (error) {
- of_device_unregister(jr_pdev);
kfree(jrpriv);
return error;
}
- return error;
+ jrpriv->dev = jrdev;
+ spin_lock(&driver_data.jr_alloc_lock);
+ list_add_tail(&jrpriv->list_node, &driver_data.jr_list);
+ spin_unlock(&driver_data.jr_alloc_lock);
+
+ atomic_set(&jrpriv->tfm_count, 0);
+
+ return 0;
+}
+
+static struct of_device_id caam_jr_match[] = {
+ {
+ .compatible = "fsl,sec-v4.0-job-ring",
+ },
+ {
+ .compatible = "fsl,sec4.0-job-ring",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, caam_jr_match);
+
+static struct platform_driver caam_jr_driver = {
+ .driver = {
+ .name = "caam_jr",
+ .owner = THIS_MODULE,
+ .of_match_table = caam_jr_match,
+ },
+ .probe = caam_jr_probe,
+ .remove = caam_jr_remove,
+};
+
+static int __init jr_driver_init(void)
+{
+ spin_lock_init(&driver_data.jr_alloc_lock);
+ INIT_LIST_HEAD(&driver_data.jr_list);
+ return platform_driver_register(&caam_jr_driver);
+}
+
+static void __exit jr_driver_exit(void)
+{
+ platform_driver_unregister(&caam_jr_driver);
}
+
+module_init(jr_driver_init);
+module_exit(jr_driver_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("FSL CAAM JR request backend");
+MODULE_AUTHOR("Freescale Semiconductor - NMG/STC");
diff --git a/drivers/crypto/caam/jr.h b/drivers/crypto/caam/jr.h
index 9d8741a59037..97113a6d6c58 100644
--- a/drivers/crypto/caam/jr.h
+++ b/drivers/crypto/caam/jr.h
@@ -8,12 +8,11 @@
#define JR_H
/* Prototypes for backend-level services exposed to APIs */
+struct device *caam_jr_alloc(void);
+void caam_jr_free(struct device *rdev);
int caam_jr_enqueue(struct device *dev, u32 *desc,
void (*cbk)(struct device *dev, u32 *desc, u32 status,
void *areq),
void *areq);
-extern int caam_jr_probe(struct platform_device *pdev, struct device_node *np,
- int ring);
-extern int caam_jr_shutdown(struct device *dev);
#endif /* JR_H */
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index 4455396918de..d50174f45b21 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -245,7 +245,7 @@ struct rngtst {
/* RNG4 TRNG test registers */
struct rng4tst {
-#define RTMCTL_PRGM 0x00010000 /* 1 -> program mode, 0 -> run mode */
+#define RTMCTL_PRGM 0x00010000 /* 1 -> program mode, 0 -> run mode */
u32 rtmctl; /* misc. control register */
u32 rtscmisc; /* statistical check misc. register */
u32 rtpkrrng; /* poker range register */
@@ -255,6 +255,8 @@ struct rng4tst {
};
#define RTSDCTL_ENT_DLY_SHIFT 16
#define RTSDCTL_ENT_DLY_MASK (0xffff << RTSDCTL_ENT_DLY_SHIFT)
+#define RTSDCTL_ENT_DLY_MIN 1200
+#define RTSDCTL_ENT_DLY_MAX 12800
u32 rtsdctl; /* seed control register */
union {
u32 rtsblim; /* PRGM=1: sparse bit limit register */
@@ -266,7 +268,11 @@ struct rng4tst {
u32 rtfrqcnt; /* PRGM=0: freq. count register */
};
u32 rsvd1[40];
+#define RDSTA_SKVT 0x80000000
+#define RDSTA_SKVN 0x40000000
#define RDSTA_IF0 0x00000001
+#define RDSTA_IF1 0x00000002
+#define RDSTA_IFMASK (RDSTA_IF1 | RDSTA_IF0)
u32 rdsta;
u32 rsvd2[15];
};
@@ -692,6 +698,7 @@ struct caam_deco {
u32 jr_ctl_hi; /* CxJRR - JobR Control Register @800 */
u32 jr_ctl_lo;
u64 jr_descaddr; /* CxDADR - JobR Descriptor Address */
+#define DECO_OP_STATUS_HI_ERR_MASK 0xF00000FF
u32 op_status_hi; /* DxOPSTA - DECO Operation Status */
u32 op_status_lo;
u32 rsvd24[2];
@@ -706,12 +713,13 @@ struct caam_deco {
u32 rsvd29[48];
u32 descbuf[64]; /* DxDESB - Descriptor buffer */
u32 rscvd30[193];
+#define DESC_DBG_DECO_STAT_HOST_ERR 0x00D00000
+#define DESC_DBG_DECO_STAT_VALID 0x80000000
+#define DESC_DBG_DECO_STAT_MASK 0x00F00000
u32 desc_dbg; /* DxDDR - DECO Debug Register */
u32 rsvd31[126];
};
-/* DECO DBG Register Valid Bit*/
-#define DECO_DBG_VALID 0x80000000
#define DECO_JQCR_WHL 0x20000000
#define DECO_JQCR_FOUR 0x10000000
diff --git a/drivers/crypto/caam/sg_sw_sec4.h b/drivers/crypto/caam/sg_sw_sec4.h
index e0037c8ee243..b12ff85f4241 100644
--- a/drivers/crypto/caam/sg_sw_sec4.h
+++ b/drivers/crypto/caam/sg_sw_sec4.h
@@ -117,6 +117,21 @@ static int dma_unmap_sg_chained(struct device *dev, struct scatterlist *sg,
return nents;
}
+/* Map SG page in kernel virtual address space and copy */
+static inline void sg_map_copy(u8 *dest, struct scatterlist *sg,
+ int len, int offset)
+{
+ u8 *mapped_addr;
+
+ /*
+ * Page here can be user-space pinned using get_user_pages
+ * Same must be kmapped before use and kunmapped subsequently
+ */
+ mapped_addr = kmap_atomic(sg_page(sg));
+ memcpy(dest, mapped_addr + offset, len);
+ kunmap_atomic(mapped_addr);
+}
+
/* Copy from len bytes of sg to dest, starting from beginning */
static inline void sg_copy(u8 *dest, struct scatterlist *sg, unsigned int len)
{
@@ -124,15 +139,15 @@ static inline void sg_copy(u8 *dest, struct scatterlist *sg, unsigned int len)
int cpy_index = 0, next_cpy_index = current_sg->length;
while (next_cpy_index < len) {
- memcpy(dest + cpy_index, (u8 *) sg_virt(current_sg),
- current_sg->length);
+ sg_map_copy(dest + cpy_index, current_sg, current_sg->length,
+ current_sg->offset);
current_sg = scatterwalk_sg_next(current_sg);
cpy_index = next_cpy_index;
next_cpy_index += current_sg->length;
}
if (cpy_index < len)
- memcpy(dest + cpy_index, (u8 *) sg_virt(current_sg),
- len - cpy_index);
+ sg_map_copy(dest + cpy_index, current_sg, len-cpy_index,
+ current_sg->offset);
}
/* Copy sg data, from to_skip to end, to dest */
@@ -140,7 +155,7 @@ static inline void sg_copy_part(u8 *dest, struct scatterlist *sg,
int to_skip, unsigned int end)
{
struct scatterlist *current_sg = sg;
- int sg_index, cpy_index;
+ int sg_index, cpy_index, offset;
sg_index = current_sg->length;
while (sg_index <= to_skip) {
@@ -148,9 +163,10 @@ static inline void sg_copy_part(u8 *dest, struct scatterlist *sg,
sg_index += current_sg->length;
}
cpy_index = sg_index - to_skip;
- memcpy(dest, (u8 *) sg_virt(current_sg) +
- current_sg->length - cpy_index, cpy_index);
- current_sg = scatterwalk_sg_next(current_sg);
- if (end - sg_index)
+ offset = current_sg->offset + current_sg->length - cpy_index;
+ sg_map_copy(dest, current_sg, cpy_index, offset);
+ if (end - sg_index) {
+ current_sg = scatterwalk_sg_next(current_sg);
sg_copy(dest + cpy_index, current_sg, end - sg_index);
+ }
}
diff --git a/drivers/crypto/dcp.c b/drivers/crypto/dcp.c
index a8a7dd4b0d25..247ab8048f5b 100644
--- a/drivers/crypto/dcp.c
+++ b/drivers/crypto/dcp.c
@@ -733,12 +733,9 @@ static int dcp_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, dev);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- dev_err(&pdev->dev, "failed to get IORESOURCE_MEM\n");
- return -ENXIO;
- }
- dev->dcp_regs_base = devm_ioremap(&pdev->dev, r->start,
- resource_size(r));
+ dev->dcp_regs_base = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(dev->dcp_regs_base))
+ return PTR_ERR(dev->dcp_regs_base);
dcp_set(dev, DCP_CTRL_SFRST, DCP_REG_CTRL);
udelay(10);
@@ -762,7 +759,8 @@ static int dcp_probe(struct platform_device *pdev)
return -EIO;
}
dev->dcp_vmi_irq = r->start;
- ret = request_irq(dev->dcp_vmi_irq, dcp_vmi_irq, 0, "dcp", dev);
+ ret = devm_request_irq(&pdev->dev, dev->dcp_vmi_irq, dcp_vmi_irq, 0,
+ "dcp", dev);
if (ret != 0) {
dev_err(&pdev->dev, "can't request_irq (0)\n");
return -EIO;
@@ -771,15 +769,14 @@ static int dcp_probe(struct platform_device *pdev)
r = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
if (!r) {
dev_err(&pdev->dev, "can't get IRQ resource (1)\n");
- ret = -EIO;
- goto err_free_irq0;
+ return -EIO;
}
dev->dcp_irq = r->start;
- ret = request_irq(dev->dcp_irq, dcp_irq, 0, "dcp", dev);
+ ret = devm_request_irq(&pdev->dev, dev->dcp_irq, dcp_irq, 0, "dcp",
+ dev);
if (ret != 0) {
dev_err(&pdev->dev, "can't request_irq (1)\n");
- ret = -EIO;
- goto err_free_irq0;
+ return -EIO;
}
dev->hw_pkg[0] = dma_alloc_coherent(&pdev->dev,
@@ -788,8 +785,7 @@ static int dcp_probe(struct platform_device *pdev)
GFP_KERNEL);
if (!dev->hw_pkg[0]) {
dev_err(&pdev->dev, "Could not allocate hw descriptors\n");
- ret = -ENOMEM;
- goto err_free_irq1;
+ return -ENOMEM;
}
for (i = 1; i < DCP_MAX_PKG; i++) {
@@ -848,16 +844,14 @@ err_unregister:
for (j = 0; j < i; j++)
crypto_unregister_alg(&algs[j]);
err_free_key_iv:
+ tasklet_kill(&dev->done_task);
+ tasklet_kill(&dev->queue_task);
dma_free_coherent(&pdev->dev, 2 * AES_KEYSIZE_128, dev->payload_base,
dev->payload_base_dma);
err_free_hw_packet:
dma_free_coherent(&pdev->dev, DCP_MAX_PKG *
sizeof(struct dcp_hw_packet), dev->hw_pkg[0],
dev->hw_phys_pkg);
-err_free_irq1:
- free_irq(dev->dcp_irq, dev);
-err_free_irq0:
- free_irq(dev->dcp_vmi_irq, dev);
return ret;
}
@@ -868,23 +862,20 @@ static int dcp_remove(struct platform_device *pdev)
int j;
dev = platform_get_drvdata(pdev);
- dma_free_coherent(&pdev->dev,
- DCP_MAX_PKG * sizeof(struct dcp_hw_packet),
- dev->hw_pkg[0], dev->hw_phys_pkg);
-
- dma_free_coherent(&pdev->dev, 2 * AES_KEYSIZE_128, dev->payload_base,
- dev->payload_base_dma);
+ misc_deregister(&dev->dcp_bootstream_misc);
- free_irq(dev->dcp_irq, dev);
- free_irq(dev->dcp_vmi_irq, dev);
+ for (j = 0; j < ARRAY_SIZE(algs); j++)
+ crypto_unregister_alg(&algs[j]);
tasklet_kill(&dev->done_task);
tasklet_kill(&dev->queue_task);
- for (j = 0; j < ARRAY_SIZE(algs); j++)
- crypto_unregister_alg(&algs[j]);
+ dma_free_coherent(&pdev->dev, 2 * AES_KEYSIZE_128, dev->payload_base,
+ dev->payload_base_dma);
- misc_deregister(&dev->dcp_bootstream_misc);
+ dma_free_coherent(&pdev->dev,
+ DCP_MAX_PKG * sizeof(struct dcp_hw_packet),
+ dev->hw_pkg[0], dev->hw_phys_pkg);
return 0;
}
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 214357e12dc0..f757a0f428bd 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -1149,32 +1149,24 @@ static int aead_setkey(struct crypto_aead *tfm, const u8 *key,
unsigned int keylen)
{
struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
- struct rtattr *rta = (struct rtattr *)key;
- struct crypto_authenc_key_param *param;
+ struct crypto_authenc_keys keys;
- if (!RTA_OK(rta, keylen))
+ if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
goto badkey;
- if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
- goto badkey;
- if (RTA_PAYLOAD(rta) < sizeof(*param))
- goto badkey;
-
- param = RTA_DATA(rta);
- ctx->enckey_len = be32_to_cpu(param->enckeylen);
- key += RTA_ALIGN(rta->rta_len);
- keylen -= RTA_ALIGN(rta->rta_len);
+ if (keys.authkeylen > sizeof(ctx->authkey))
+ goto badkey;
- if (keylen < ctx->enckey_len)
+ if (keys.enckeylen > sizeof(ctx->enckey))
goto badkey;
- ctx->authkey_len = keylen - ctx->enckey_len;
- memcpy(ctx->enckey, key + ctx->authkey_len, ctx->enckey_len);
- memcpy(ctx->authkey, key, ctx->authkey_len);
+ memcpy(ctx->authkey, keys.authkey, keys.authkeylen);
+ memcpy(ctx->enckey, keys.enckey, keys.enckeylen);
+ ctx->authkey_len = keys.authkeylen;
+ ctx->enckey_len = keys.enckeylen;
return aead_setup(tfm, crypto_aead_authsize(tfm));
badkey:
- ctx->enckey_len = 0;
crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
@@ -1418,14 +1410,12 @@ static const struct platform_device_info ixp_dev_info __initdata = {
static int __init ixp_module_init(void)
{
int num = ARRAY_SIZE(ixp4xx_algos);
- int i, err ;
+ int i, err;
pdev = platform_device_register_full(&ixp_dev_info);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
- dev = &pdev->dev;
-
spin_lock_init(&desc_lock);
spin_lock_init(&emerg_lock);
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 3374a3ebe4c7..8d1e6f8e9e9c 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -907,7 +907,7 @@ static int mv_cra_hash_hmac_sha1_init(struct crypto_tfm *tfm)
return mv_cra_hash_init(tfm, "sha1", COP_HMAC_SHA1, SHA1_BLOCK_SIZE);
}
-irqreturn_t crypto_int(int irq, void *priv)
+static irqreturn_t crypto_int(int irq, void *priv)
{
u32 val;
@@ -928,7 +928,7 @@ irqreturn_t crypto_int(int irq, void *priv)
return IRQ_HANDLED;
}
-struct crypto_alg mv_aes_alg_ecb = {
+static struct crypto_alg mv_aes_alg_ecb = {
.cra_name = "ecb(aes)",
.cra_driver_name = "mv-ecb-aes",
.cra_priority = 300,
@@ -951,7 +951,7 @@ struct crypto_alg mv_aes_alg_ecb = {
},
};
-struct crypto_alg mv_aes_alg_cbc = {
+static struct crypto_alg mv_aes_alg_cbc = {
.cra_name = "cbc(aes)",
.cra_driver_name = "mv-cbc-aes",
.cra_priority = 300,
@@ -975,7 +975,7 @@ struct crypto_alg mv_aes_alg_cbc = {
},
};
-struct ahash_alg mv_sha1_alg = {
+static struct ahash_alg mv_sha1_alg = {
.init = mv_hash_init,
.update = mv_hash_update,
.final = mv_hash_final,
@@ -999,7 +999,7 @@ struct ahash_alg mv_sha1_alg = {
}
};
-struct ahash_alg mv_hmac_sha1_alg = {
+static struct ahash_alg mv_hmac_sha1_alg = {
.init = mv_hash_init,
.update = mv_hash_update,
.final = mv_hash_final,
@@ -1084,7 +1084,7 @@ static int mv_probe(struct platform_device *pdev)
goto err_unmap_sram;
}
- ret = request_irq(irq, crypto_int, IRQF_DISABLED, dev_name(&pdev->dev),
+ ret = request_irq(irq, crypto_int, 0, dev_name(&pdev->dev),
cp);
if (ret)
goto err_thread;
@@ -1187,7 +1187,7 @@ static struct platform_driver marvell_crypto = {
.driver = {
.owner = THIS_MODULE,
.name = "mv_crypto",
- .of_match_table = of_match_ptr(mv_cesa_of_match_table),
+ .of_match_table = mv_cesa_of_match_table,
},
};
MODULE_ALIAS("platform:mv_crypto");
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index ce791c2f81f7..a9ccbf14096e 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -275,7 +275,7 @@ static int omap_aes_write_ctrl(struct omap_aes_dev *dd)
if (dd->flags & FLAGS_CBC)
val |= AES_REG_CTRL_CBC;
if (dd->flags & FLAGS_CTR) {
- val |= AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_32;
+ val |= AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_128;
mask = AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_MASK;
}
if (dd->flags & FLAGS_ENCRYPT)
@@ -554,7 +554,7 @@ static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)
return err;
}
-int omap_aes_check_aligned(struct scatterlist *sg)
+static int omap_aes_check_aligned(struct scatterlist *sg)
{
while (sg) {
if (!IS_ALIGNED(sg->offset, 4))
@@ -566,7 +566,7 @@ int omap_aes_check_aligned(struct scatterlist *sg)
return 0;
}
-int omap_aes_copy_sgs(struct omap_aes_dev *dd)
+static int omap_aes_copy_sgs(struct omap_aes_dev *dd)
{
void *buf_in, *buf_out;
int pages;
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index e28104b4aab0..e45aaaf0db30 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -2033,3 +2033,4 @@ module_platform_driver(omap_sham_driver);
MODULE_DESCRIPTION("OMAP SHA1/MD5 hw acceleration support.");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Dmitry Kasatkin");
+MODULE_ALIAS("platform:omap-sham");
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index 888f7f4a6d3f..a6175ba6d238 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -495,45 +495,29 @@ static int spacc_aead_setkey(struct crypto_aead *tfm, const u8 *key,
{
struct spacc_aead_ctx *ctx = crypto_aead_ctx(tfm);
struct spacc_alg *alg = to_spacc_alg(tfm->base.__crt_alg);
- struct rtattr *rta = (void *)key;
- struct crypto_authenc_key_param *param;
- unsigned int authkeylen, enckeylen;
+ struct crypto_authenc_keys keys;
int err = -EINVAL;
- if (!RTA_OK(rta, keylen))
+ if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
goto badkey;
- if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
+ if (keys.enckeylen > AES_MAX_KEY_SIZE)
goto badkey;
- if (RTA_PAYLOAD(rta) < sizeof(*param))
- goto badkey;
-
- param = RTA_DATA(rta);
- enckeylen = be32_to_cpu(param->enckeylen);
-
- key += RTA_ALIGN(rta->rta_len);
- keylen -= RTA_ALIGN(rta->rta_len);
-
- if (keylen < enckeylen)
- goto badkey;
-
- authkeylen = keylen - enckeylen;
-
- if (enckeylen > AES_MAX_KEY_SIZE)
+ if (keys.authkeylen > sizeof(ctx->hash_ctx))
goto badkey;
if ((alg->ctrl_default & SPACC_CRYPTO_ALG_MASK) ==
SPA_CTRL_CIPH_ALG_AES)
- err = spacc_aead_aes_setkey(tfm, key + authkeylen, enckeylen);
+ err = spacc_aead_aes_setkey(tfm, keys.enckey, keys.enckeylen);
else
- err = spacc_aead_des_setkey(tfm, key + authkeylen, enckeylen);
+ err = spacc_aead_des_setkey(tfm, keys.enckey, keys.enckeylen);
if (err)
goto badkey;
- memcpy(ctx->hash_ctx, key, authkeylen);
- ctx->hash_key_len = authkeylen;
+ memcpy(ctx->hash_ctx, keys.authkey, keys.authkeylen);
+ ctx->hash_key_len = keys.authkeylen;
return 0;
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index d7bb8bac36e9..785a9ded7bdf 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -1058,7 +1058,7 @@ static struct platform_driver sahara_driver = {
.driver = {
.name = SAHARA_NAME,
.owner = THIS_MODULE,
- .of_match_table = of_match_ptr(sahara_dt_ids),
+ .of_match_table = sahara_dt_ids,
},
.id_table = sahara_platform_ids,
};
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 6cd0e6038583..b44f4ddc565c 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -673,39 +673,20 @@ static int aead_setkey(struct crypto_aead *authenc,
const u8 *key, unsigned int keylen)
{
struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
- struct rtattr *rta = (void *)key;
- struct crypto_authenc_key_param *param;
- unsigned int authkeylen;
- unsigned int enckeylen;
-
- if (!RTA_OK(rta, keylen))
- goto badkey;
+ struct crypto_authenc_keys keys;
- if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
+ if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
goto badkey;
- if (RTA_PAYLOAD(rta) < sizeof(*param))
+ if (keys.authkeylen + keys.enckeylen > TALITOS_MAX_KEY_SIZE)
goto badkey;
- param = RTA_DATA(rta);
- enckeylen = be32_to_cpu(param->enckeylen);
-
- key += RTA_ALIGN(rta->rta_len);
- keylen -= RTA_ALIGN(rta->rta_len);
+ memcpy(ctx->key, keys.authkey, keys.authkeylen);
+ memcpy(&ctx->key[keys.authkeylen], keys.enckey, keys.enckeylen);
- if (keylen < enckeylen)
- goto badkey;
-
- authkeylen = keylen - enckeylen;
-
- if (keylen > TALITOS_MAX_KEY_SIZE)
- goto badkey;
-
- memcpy(&ctx->key, key, keylen);
-
- ctx->keylen = keylen;
- ctx->enckeylen = enckeylen;
- ctx->authkeylen = authkeylen;
+ ctx->keylen = keys.authkeylen + keys.enckeylen;
+ ctx->enckeylen = keys.enckeylen;
+ ctx->authkeylen = keys.authkeylen;
return 0;
@@ -809,7 +790,7 @@ static void ipsec_esp_unmap(struct device *dev,
if (edesc->assoc_chained)
talitos_unmap_sg_chain(dev, areq->assoc, DMA_TO_DEVICE);
- else
+ else if (areq->assoclen)
/* assoc_nents counts also for IV in non-contiguous cases */
dma_unmap_sg(dev, areq->assoc,
edesc->assoc_nents ? edesc->assoc_nents - 1 : 1,
@@ -992,7 +973,11 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
dma_sync_single_for_device(dev, edesc->dma_link_tbl,
edesc->dma_len, DMA_BIDIRECTIONAL);
} else {
- to_talitos_ptr(&desc->ptr[1], sg_dma_address(areq->assoc));
+ if (areq->assoclen)
+ to_talitos_ptr(&desc->ptr[1],
+ sg_dma_address(areq->assoc));
+ else
+ to_talitos_ptr(&desc->ptr[1], edesc->iv_dma);
desc->ptr[1].j_extent = 0;
}
@@ -1127,7 +1112,8 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
unsigned int authsize,
unsigned int ivsize,
int icv_stashing,
- u32 cryptoflags)
+ u32 cryptoflags,
+ bool encrypt)
{
struct talitos_edesc *edesc;
int assoc_nents = 0, src_nents, dst_nents, alloc_len, dma_len;
@@ -1141,10 +1127,10 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
return ERR_PTR(-EINVAL);
}
- if (iv)
+ if (ivsize)
iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE);
- if (assoc) {
+ if (assoclen) {
/*
* Currently it is assumed that iv is provided whenever assoc
* is.
@@ -1160,19 +1146,17 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
assoc_nents = assoc_nents ? assoc_nents + 1 : 2;
}
- src_nents = sg_count(src, cryptlen + authsize, &src_chained);
- src_nents = (src_nents == 1) ? 0 : src_nents;
-
- if (!dst) {
- dst_nents = 0;
- } else {
- if (dst == src) {
- dst_nents = src_nents;
- } else {
- dst_nents = sg_count(dst, cryptlen + authsize,
- &dst_chained);
- dst_nents = (dst_nents == 1) ? 0 : dst_nents;
- }
+ if (!dst || dst == src) {
+ src_nents = sg_count(src, cryptlen + authsize, &src_chained);
+ src_nents = (src_nents == 1) ? 0 : src_nents;
+ dst_nents = dst ? src_nents : 0;
+ } else { /* dst && dst != src*/
+ src_nents = sg_count(src, cryptlen + (encrypt ? 0 : authsize),
+ &src_chained);
+ src_nents = (src_nents == 1) ? 0 : src_nents;
+ dst_nents = sg_count(dst, cryptlen + (encrypt ? authsize : 0),
+ &dst_chained);
+ dst_nents = (dst_nents == 1) ? 0 : dst_nents;
}
/*
@@ -1192,9 +1176,16 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
edesc = kmalloc(alloc_len, GFP_DMA | flags);
if (!edesc) {
- talitos_unmap_sg_chain(dev, assoc, DMA_TO_DEVICE);
+ if (assoc_chained)
+ talitos_unmap_sg_chain(dev, assoc, DMA_TO_DEVICE);
+ else if (assoclen)
+ dma_unmap_sg(dev, assoc,
+ assoc_nents ? assoc_nents - 1 : 1,
+ DMA_TO_DEVICE);
+
if (iv_dma)
dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE);
+
dev_err(dev, "could not allocate edescriptor\n");
return ERR_PTR(-ENOMEM);
}
@@ -1216,7 +1207,7 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
}
static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq, u8 *iv,
- int icv_stashing)
+ int icv_stashing, bool encrypt)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
@@ -1225,7 +1216,7 @@ static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq, u8 *iv,
return talitos_edesc_alloc(ctx->dev, areq->assoc, areq->src, areq->dst,
iv, areq->assoclen, areq->cryptlen,
ctx->authsize, ivsize, icv_stashing,
- areq->base.flags);
+ areq->base.flags, encrypt);
}
static int aead_encrypt(struct aead_request *req)
@@ -1235,7 +1226,7 @@ static int aead_encrypt(struct aead_request *req)
struct talitos_edesc *edesc;
/* allocate extended descriptor */
- edesc = aead_edesc_alloc(req, req->iv, 0);
+ edesc = aead_edesc_alloc(req, req->iv, 0, true);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
@@ -1258,7 +1249,7 @@ static int aead_decrypt(struct aead_request *req)
req->cryptlen -= authsize;
/* allocate extended descriptor */
- edesc = aead_edesc_alloc(req, req->iv, 1);
+ edesc = aead_edesc_alloc(req, req->iv, 1, false);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
@@ -1304,7 +1295,7 @@ static int aead_givencrypt(struct aead_givcrypt_request *req)
struct talitos_edesc *edesc;
/* allocate extended descriptor */
- edesc = aead_edesc_alloc(areq, req->giv, 0);
+ edesc = aead_edesc_alloc(areq, req->giv, 0, true);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
@@ -1460,7 +1451,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
}
static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request *
- areq)
+ areq, bool encrypt)
{
struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
@@ -1468,7 +1459,7 @@ static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request *
return talitos_edesc_alloc(ctx->dev, NULL, areq->src, areq->dst,
areq->info, 0, areq->nbytes, 0, ivsize, 0,
- areq->base.flags);
+ areq->base.flags, encrypt);
}
static int ablkcipher_encrypt(struct ablkcipher_request *areq)
@@ -1478,7 +1469,7 @@ static int ablkcipher_encrypt(struct ablkcipher_request *areq)
struct talitos_edesc *edesc;
/* allocate extended descriptor */
- edesc = ablkcipher_edesc_alloc(areq);
+ edesc = ablkcipher_edesc_alloc(areq, true);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
@@ -1495,7 +1486,7 @@ static int ablkcipher_decrypt(struct ablkcipher_request *areq)
struct talitos_edesc *edesc;
/* allocate extended descriptor */
- edesc = ablkcipher_edesc_alloc(areq);
+ edesc = ablkcipher_edesc_alloc(areq, false);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
@@ -1647,7 +1638,7 @@ static struct talitos_edesc *ahash_edesc_alloc(struct ahash_request *areq,
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
return talitos_edesc_alloc(ctx->dev, NULL, req_ctx->psrc, NULL, NULL, 0,
- nbytes, 0, 0, 0, areq->base.flags);
+ nbytes, 0, 0, 0, areq->base.flags, false);
}
static int ahash_init(struct ahash_request *areq)
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c
index fa05e3c329bd..060eecc5dbc3 100644
--- a/drivers/crypto/tegra-aes.c
+++ b/drivers/crypto/tegra-aes.c
@@ -27,6 +27,8 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
@@ -199,8 +201,6 @@ static void aes_workqueue_handler(struct work_struct *work);
static DECLARE_WORK(aes_work, aes_workqueue_handler);
static struct workqueue_struct *aes_wq;
-extern unsigned long long tegra_chip_uid(void);
-
static inline u32 aes_readl(struct tegra_aes_dev *dd, u32 offset)
{
return readl(dd->io_base + offset);
@@ -713,13 +713,12 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
struct tegra_aes_dev *dd = aes_dev;
struct tegra_aes_ctx *ctx = &rng_ctx;
struct tegra_aes_slot *key_slot;
- struct timespec ts;
int ret = 0;
- u64 nsec, tmp[2];
+ u8 tmp[16]; /* 16 bytes = 128 bits of entropy */
u8 *dt;
if (!ctx || !dd) {
- dev_err(dd->dev, "ctx=0x%x, dd=0x%x\n",
+ pr_err("ctx=0x%x, dd=0x%x\n",
(unsigned int)ctx, (unsigned int)dd);
return -EINVAL;
}
@@ -778,14 +777,8 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
if (dd->ivlen >= (2 * DEFAULT_RNG_BLK_SZ + AES_KEYSIZE_128)) {
dt = dd->iv + DEFAULT_RNG_BLK_SZ + AES_KEYSIZE_128;
} else {
- getnstimeofday(&ts);
- nsec = timespec_to_ns(&ts);
- do_div(nsec, 1000);
- nsec ^= dd->ctr << 56;
- dd->ctr++;
- tmp[0] = nsec;
- tmp[1] = tegra_chip_uid();
- dt = (u8 *)tmp;
+ get_random_bytes(tmp, sizeof(tmp));
+ dt = tmp;
}
memcpy(dd->dt, dt, DEFAULT_RNG_BLK_SZ);
@@ -804,7 +797,7 @@ static int tegra_aes_cra_init(struct crypto_tfm *tfm)
return 0;
}
-void tegra_aes_cra_exit(struct crypto_tfm *tfm)
+static void tegra_aes_cra_exit(struct crypto_tfm *tfm)
{
struct tegra_aes_ctx *ctx =
crypto_ablkcipher_ctx((struct crypto_ablkcipher *)tfm);
@@ -924,7 +917,7 @@ static int tegra_aes_probe(struct platform_device *pdev)
}
/* Initialize the vde clock */
- dd->aes_clk = clk_get(dev, "vde");
+ dd->aes_clk = devm_clk_get(dev, "vde");
if (IS_ERR(dd->aes_clk)) {
dev_err(dev, "iclock intialization failed.\n");
err = -ENODEV;
@@ -1033,8 +1026,6 @@ out:
if (dd->buf_out)
dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
dd->buf_out, dd->dma_buf_out);
- if (!IS_ERR(dd->aes_clk))
- clk_put(dd->aes_clk);
if (aes_wq)
destroy_workqueue(aes_wq);
spin_lock(&list_lock);
@@ -1068,7 +1059,6 @@ static int tegra_aes_remove(struct platform_device *pdev)
dd->buf_in, dd->dma_buf_in);
dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
dd->buf_out, dd->dma_buf_out);
- clk_put(dd->aes_clk);
aes_dev = NULL;
return 0;
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 446687cc2334..c823daaf9043 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -62,6 +62,7 @@ config INTEL_IOATDMA
tristate "Intel I/OAT DMA support"
depends on PCI && X86
select DMA_ENGINE
+ select DMA_ENGINE_RAID
select DCA
help
Enable support for the Intel(R) I/OAT DMA engine present
@@ -112,6 +113,7 @@ config MV_XOR
bool "Marvell XOR engine support"
depends on PLAT_ORION
select DMA_ENGINE
+ select DMA_ENGINE_RAID
select ASYNC_TX_ENABLE_CHANNEL_SWITCH
---help---
Enable support for the Marvell XOR engine.
@@ -187,6 +189,7 @@ config AMCC_PPC440SPE_ADMA
tristate "AMCC PPC440SPe ADMA support"
depends on 440SPe || 440SP
select DMA_ENGINE
+ select DMA_ENGINE_RAID
select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
select ASYNC_TX_ENABLE_CHANNEL_SWITCH
help
@@ -352,6 +355,7 @@ config NET_DMA
bool "Network: TCP receive copy offload"
depends on DMA_ENGINE && NET
default (INTEL_IOATDMA || FSL_DMA)
+ depends on BROKEN
help
This enables the use of DMA engines in the network stack to
offload receive copy-to-user operations, freeing CPU cycles.
@@ -377,4 +381,7 @@ config DMATEST
Simple DMA test client. Say N unless you're debugging a
DMA Device driver.
+config DMA_ENGINE_RAID
+ bool
+
endif
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 16a2aa28f856..ec4ee5c1fe9d 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1169,7 +1169,7 @@ static void pl08x_desc_free(struct virt_dma_desc *vd)
struct pl08x_txd *txd = to_pl08x_txd(&vd->tx);
struct pl08x_dma_chan *plchan = to_pl08x_chan(vd->tx.chan);
- dma_descriptor_unmap(txd);
+ dma_descriptor_unmap(&vd->tx);
if (!txd->done)
pl08x_release_mux(plchan);
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index f31d647acdfa..2787aba60c6b 100644
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -347,10 +347,6 @@ static struct device *chan2dev(struct dma_chan *chan)
{
return &chan->dev->device;
}
-static struct device *chan2parent(struct dma_chan *chan)
-{
- return chan->dev->device.parent;
-}
#if defined(VERBOSE_DEBUG)
static void vdbg_dump_regs(struct at_dma_chan *atchan)
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index ea806bdc12ef..ef63b9058f3c 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -912,7 +912,7 @@ struct dmaengine_unmap_pool {
#define __UNMAP_POOL(x) { .size = x, .name = "dmaengine-unmap-" __stringify(x) }
static struct dmaengine_unmap_pool unmap_pool[] = {
__UNMAP_POOL(2),
- #if IS_ENABLED(CONFIG_ASYNC_TX_DMA)
+ #if IS_ENABLED(CONFIG_DMA_ENGINE_RAID)
__UNMAP_POOL(16),
__UNMAP_POOL(128),
__UNMAP_POOL(256),
@@ -1054,7 +1054,7 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg,
dma_cookie_t cookie;
unsigned long flags;
- unmap = dmaengine_get_unmap_data(dev->dev, 2, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(dev->dev, 2, GFP_NOWAIT);
if (!unmap)
return -ENOMEM;
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 20f9a3aaf926..9dfcaf5c1288 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -539,9 +539,9 @@ static int dmatest_func(void *data)
um->len = params->buf_size;
for (i = 0; i < src_cnt; i++) {
- unsigned long buf = (unsigned long) thread->srcs[i];
+ void *buf = thread->srcs[i];
struct page *pg = virt_to_page(buf);
- unsigned pg_off = buf & ~PAGE_MASK;
+ unsigned pg_off = (unsigned long) buf & ~PAGE_MASK;
um->addr[i] = dma_map_page(dev->dev, pg, pg_off,
um->len, DMA_TO_DEVICE);
@@ -559,9 +559,9 @@ static int dmatest_func(void *data)
/* map with DMA_BIDIRECTIONAL to force writeback/invalidate */
dsts = &um->addr[src_cnt];
for (i = 0; i < dst_cnt; i++) {
- unsigned long buf = (unsigned long) thread->dsts[i];
+ void *buf = thread->dsts[i];
struct page *pg = virt_to_page(buf);
- unsigned pg_off = buf & ~PAGE_MASK;
+ unsigned pg_off = (unsigned long) buf & ~PAGE_MASK;
dsts[i] = dma_map_page(dev->dev, pg, pg_off, um->len,
DMA_BIDIRECTIONAL);
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 7086a16a55f2..f157c6f76b32 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -86,11 +86,6 @@ static void set_desc_cnt(struct fsldma_chan *chan,
hw->count = CPU_TO_DMA(chan, count, 32);
}
-static u32 get_desc_cnt(struct fsldma_chan *chan, struct fsl_desc_sw *desc)
-{
- return DMA_TO_CPU(chan, desc->hw.count, 32);
-}
-
static void set_desc_src(struct fsldma_chan *chan,
struct fsl_dma_ld_hw *hw, dma_addr_t src)
{
@@ -101,16 +96,6 @@ static void set_desc_src(struct fsldma_chan *chan,
hw->src_addr = CPU_TO_DMA(chan, snoop_bits | src, 64);
}
-static dma_addr_t get_desc_src(struct fsldma_chan *chan,
- struct fsl_desc_sw *desc)
-{
- u64 snoop_bits;
-
- snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
- ? ((u64)FSL_DMA_SATR_SREADTYPE_SNOOP_READ << 32) : 0;
- return DMA_TO_CPU(chan, desc->hw.src_addr, 64) & ~snoop_bits;
-}
-
static void set_desc_dst(struct fsldma_chan *chan,
struct fsl_dma_ld_hw *hw, dma_addr_t dst)
{
@@ -121,16 +106,6 @@ static void set_desc_dst(struct fsldma_chan *chan,
hw->dst_addr = CPU_TO_DMA(chan, snoop_bits | dst, 64);
}
-static dma_addr_t get_desc_dst(struct fsldma_chan *chan,
- struct fsl_desc_sw *desc)
-{
- u64 snoop_bits;
-
- snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
- ? ((u64)FSL_DMA_DATR_DWRITETYPE_SNOOP_WRITE << 32) : 0;
- return DMA_TO_CPU(chan, desc->hw.dst_addr, 64) & ~snoop_bits;
-}
-
static void set_desc_next(struct fsldma_chan *chan,
struct fsl_dma_ld_hw *hw, dma_addr_t next)
{
@@ -408,7 +383,7 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
struct fsl_desc_sw *child;
unsigned long flags;
- dma_cookie_t cookie;
+ dma_cookie_t cookie = -EINVAL;
spin_lock_irqsave(&chan->desc_lock, flags);
@@ -854,10 +829,6 @@ static void fsldma_cleanup_descriptor(struct fsldma_chan *chan,
struct fsl_desc_sw *desc)
{
struct dma_async_tx_descriptor *txd = &desc->async_tx;
- struct device *dev = chan->common.device->dev;
- dma_addr_t src = get_desc_src(chan, desc);
- dma_addr_t dst = get_desc_dst(chan, desc);
- u32 len = get_desc_cnt(chan, desc);
/* Run the link descriptor callback function */
if (txd->callback) {
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 1a49c777607c..87529181efcc 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -817,7 +817,15 @@ int ioat_dma_self_test(struct ioatdma_device *device)
}
dma_src = dma_map_single(dev, src, IOAT_TEST_SIZE, DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, dma_src)) {
+ dev_err(dev, "mapping src buffer failed\n");
+ goto free_resources;
+ }
dma_dest = dma_map_single(dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE);
+ if (dma_mapping_error(dev, dma_dest)) {
+ dev_err(dev, "mapping dest buffer failed\n");
+ goto unmap_src;
+ }
flags = DMA_PREP_INTERRUPT;
tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src,
IOAT_TEST_SIZE, flags);
@@ -855,8 +863,9 @@ int ioat_dma_self_test(struct ioatdma_device *device)
}
unmap_dma:
- dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE);
dma_unmap_single(dev, dma_dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE);
+unmap_src:
+ dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE);
free_resources:
dma->device_free_chan_resources(dma_chan);
out:
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index dcb1e05149a7..8869500ab92b 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -1017,6 +1017,7 @@ static int mmp_pdma_probe(struct platform_device *op)
}
}
+ platform_set_drvdata(op, pdev);
dev_info(pdev->device.dev, "initialized %d channels\n", dma_channels);
return 0;
}
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 7807f0ef4e20..53fb0c8365b0 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -54,12 +54,6 @@ static void mv_desc_init(struct mv_xor_desc_slot *desc, unsigned long flags)
hw_desc->desc_command = (1 << 31);
}
-static u32 mv_desc_get_dest_addr(struct mv_xor_desc_slot *desc)
-{
- struct mv_xor_desc *hw_desc = desc->hw_desc;
- return hw_desc->phy_dest_addr;
-}
-
static void mv_desc_set_byte_count(struct mv_xor_desc_slot *desc,
u32 byte_count)
{
@@ -787,7 +781,6 @@ static void mv_xor_issue_pending(struct dma_chan *chan)
/*
* Perform a transaction to verify the HW works.
*/
-#define MV_XOR_TEST_SIZE 2000
static int mv_xor_memcpy_self_test(struct mv_xor_chan *mv_chan)
{
@@ -797,20 +790,21 @@ static int mv_xor_memcpy_self_test(struct mv_xor_chan *mv_chan)
struct dma_chan *dma_chan;
dma_cookie_t cookie;
struct dma_async_tx_descriptor *tx;
+ struct dmaengine_unmap_data *unmap;
int err = 0;
- src = kmalloc(sizeof(u8) * MV_XOR_TEST_SIZE, GFP_KERNEL);
+ src = kmalloc(sizeof(u8) * PAGE_SIZE, GFP_KERNEL);
if (!src)
return -ENOMEM;
- dest = kzalloc(sizeof(u8) * MV_XOR_TEST_SIZE, GFP_KERNEL);
+ dest = kzalloc(sizeof(u8) * PAGE_SIZE, GFP_KERNEL);
if (!dest) {
kfree(src);
return -ENOMEM;
}
/* Fill in src buffer */
- for (i = 0; i < MV_XOR_TEST_SIZE; i++)
+ for (i = 0; i < PAGE_SIZE; i++)
((u8 *) src)[i] = (u8)i;
dma_chan = &mv_chan->dmachan;
@@ -819,14 +813,26 @@ static int mv_xor_memcpy_self_test(struct mv_xor_chan *mv_chan)
goto out;
}
- dest_dma = dma_map_single(dma_chan->device->dev, dest,
- MV_XOR_TEST_SIZE, DMA_FROM_DEVICE);
+ unmap = dmaengine_get_unmap_data(dma_chan->device->dev, 2, GFP_KERNEL);
+ if (!unmap) {
+ err = -ENOMEM;
+ goto free_resources;
+ }
+
+ src_dma = dma_map_page(dma_chan->device->dev, virt_to_page(src), 0,
+ PAGE_SIZE, DMA_TO_DEVICE);
+ unmap->to_cnt = 1;
+ unmap->addr[0] = src_dma;
- src_dma = dma_map_single(dma_chan->device->dev, src,
- MV_XOR_TEST_SIZE, DMA_TO_DEVICE);
+ dest_dma = dma_map_page(dma_chan->device->dev, virt_to_page(dest), 0,
+ PAGE_SIZE, DMA_FROM_DEVICE);
+ unmap->from_cnt = 1;
+ unmap->addr[1] = dest_dma;
+
+ unmap->len = PAGE_SIZE;
tx = mv_xor_prep_dma_memcpy(dma_chan, dest_dma, src_dma,
- MV_XOR_TEST_SIZE, 0);
+ PAGE_SIZE, 0);
cookie = mv_xor_tx_submit(tx);
mv_xor_issue_pending(dma_chan);
async_tx_ack(tx);
@@ -841,8 +847,8 @@ static int mv_xor_memcpy_self_test(struct mv_xor_chan *mv_chan)
}
dma_sync_single_for_cpu(dma_chan->device->dev, dest_dma,
- MV_XOR_TEST_SIZE, DMA_FROM_DEVICE);
- if (memcmp(src, dest, MV_XOR_TEST_SIZE)) {
+ PAGE_SIZE, DMA_FROM_DEVICE);
+ if (memcmp(src, dest, PAGE_SIZE)) {
dev_err(dma_chan->device->dev,
"Self-test copy failed compare, disabling\n");
err = -ENODEV;
@@ -850,6 +856,7 @@ static int mv_xor_memcpy_self_test(struct mv_xor_chan *mv_chan)
}
free_resources:
+ dmaengine_unmap_put(unmap);
mv_xor_free_chan_resources(dma_chan);
out:
kfree(src);
@@ -867,13 +874,15 @@ mv_xor_xor_self_test(struct mv_xor_chan *mv_chan)
dma_addr_t dma_srcs[MV_XOR_NUM_SRC_TEST];
dma_addr_t dest_dma;
struct dma_async_tx_descriptor *tx;
+ struct dmaengine_unmap_data *unmap;
struct dma_chan *dma_chan;
dma_cookie_t cookie;
u8 cmp_byte = 0;
u32 cmp_word;
int err = 0;
+ int src_count = MV_XOR_NUM_SRC_TEST;
- for (src_idx = 0; src_idx < MV_XOR_NUM_SRC_TEST; src_idx++) {
+ for (src_idx = 0; src_idx < src_count; src_idx++) {
xor_srcs[src_idx] = alloc_page(GFP_KERNEL);
if (!xor_srcs[src_idx]) {
while (src_idx--)
@@ -890,13 +899,13 @@ mv_xor_xor_self_test(struct mv_xor_chan *mv_chan)
}
/* Fill in src buffers */
- for (src_idx = 0; src_idx < MV_XOR_NUM_SRC_TEST; src_idx++) {
+ for (src_idx = 0; src_idx < src_count; src_idx++) {
u8 *ptr = page_address(xor_srcs[src_idx]);
for (i = 0; i < PAGE_SIZE; i++)
ptr[i] = (1 << src_idx);
}
- for (src_idx = 0; src_idx < MV_XOR_NUM_SRC_TEST; src_idx++)
+ for (src_idx = 0; src_idx < src_count; src_idx++)
cmp_byte ^= (u8) (1 << src_idx);
cmp_word = (cmp_byte << 24) | (cmp_byte << 16) |
@@ -910,16 +919,29 @@ mv_xor_xor_self_test(struct mv_xor_chan *mv_chan)
goto out;
}
+ unmap = dmaengine_get_unmap_data(dma_chan->device->dev, src_count + 1,
+ GFP_KERNEL);
+ if (!unmap) {
+ err = -ENOMEM;
+ goto free_resources;
+ }
+
/* test xor */
- dest_dma = dma_map_page(dma_chan->device->dev, dest, 0, PAGE_SIZE,
- DMA_FROM_DEVICE);
+ for (i = 0; i < src_count; i++) {
+ unmap->addr[i] = dma_map_page(dma_chan->device->dev, xor_srcs[i],
+ 0, PAGE_SIZE, DMA_TO_DEVICE);
+ dma_srcs[i] = unmap->addr[i];
+ unmap->to_cnt++;
+ }
- for (i = 0; i < MV_XOR_NUM_SRC_TEST; i++)
- dma_srcs[i] = dma_map_page(dma_chan->device->dev, xor_srcs[i],
- 0, PAGE_SIZE, DMA_TO_DEVICE);
+ unmap->addr[src_count] = dma_map_page(dma_chan->device->dev, dest, 0, PAGE_SIZE,
+ DMA_FROM_DEVICE);
+ dest_dma = unmap->addr[src_count];
+ unmap->from_cnt = 1;
+ unmap->len = PAGE_SIZE;
tx = mv_xor_prep_dma_xor(dma_chan, dest_dma, dma_srcs,
- MV_XOR_NUM_SRC_TEST, PAGE_SIZE, 0);
+ src_count, PAGE_SIZE, 0);
cookie = mv_xor_tx_submit(tx);
mv_xor_issue_pending(dma_chan);
@@ -948,9 +970,10 @@ mv_xor_xor_self_test(struct mv_xor_chan *mv_chan)
}
free_resources:
+ dmaengine_unmap_put(unmap);
mv_xor_free_chan_resources(dma_chan);
out:
- src_idx = MV_XOR_NUM_SRC_TEST;
+ src_idx = src_count;
while (src_idx--)
__free_page(xor_srcs[src_idx]);
__free_page(dest);
@@ -1176,6 +1199,7 @@ static int mv_xor_probe(struct platform_device *pdev)
int i = 0;
for_each_child_of_node(pdev->dev.of_node, np) {
+ struct mv_xor_chan *chan;
dma_cap_mask_t cap_mask;
int irq;
@@ -1193,21 +1217,21 @@ static int mv_xor_probe(struct platform_device *pdev)
goto err_channel_add;
}
- xordev->channels[i] =
- mv_xor_channel_add(xordev, pdev, i,
- cap_mask, irq);
- if (IS_ERR(xordev->channels[i])) {
- ret = PTR_ERR(xordev->channels[i]);
- xordev->channels[i] = NULL;
+ chan = mv_xor_channel_add(xordev, pdev, i,
+ cap_mask, irq);
+ if (IS_ERR(chan)) {
+ ret = PTR_ERR(chan);
irq_dispose_mapping(irq);
goto err_channel_add;
}
+ xordev->channels[i] = chan;
i++;
}
} else if (pdata && pdata->channels) {
for (i = 0; i < MV_XOR_MAX_CHANNELS; i++) {
struct mv_xor_channel_data *cd;
+ struct mv_xor_chan *chan;
int irq;
cd = &pdata->channels[i];
@@ -1222,13 +1246,14 @@ static int mv_xor_probe(struct platform_device *pdev)
goto err_channel_add;
}
- xordev->channels[i] =
- mv_xor_channel_add(xordev, pdev, i,
- cd->cap_mask, irq);
- if (IS_ERR(xordev->channels[i])) {
- ret = PTR_ERR(xordev->channels[i]);
+ chan = mv_xor_channel_add(xordev, pdev, i,
+ cd->cap_mask, irq);
+ if (IS_ERR(chan)) {
+ ret = PTR_ERR(chan);
goto err_channel_add;
}
+
+ xordev->channels[i] = chan;
}
}
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index cdf0483b8f2d..536632f6479c 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2492,12 +2492,9 @@ static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx)
static inline void _init_desc(struct dma_pl330_desc *desc)
{
- desc->pchan = NULL;
desc->req.x = &desc->px;
desc->req.token = desc;
desc->rqcfg.swap = SWAP_NO;
- desc->rqcfg.privileged = 0;
- desc->rqcfg.insnaccess = 0;
desc->rqcfg.scctl = SCCTRL0;
desc->rqcfg.dcctl = DCCTRL0;
desc->req.cfg = &desc->rqcfg;
@@ -2517,7 +2514,7 @@ static int add_desc(struct dma_pl330_dmac *pdmac, gfp_t flg, int count)
if (!pdmac)
return 0;
- desc = kmalloc(count * sizeof(*desc), flg);
+ desc = kcalloc(count, sizeof(*desc), flg);
if (!desc)
return 0;
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index 8da48c6b2a38..8bba298535b0 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -533,29 +533,6 @@ static void ppc440spe_desc_init_memcpy(struct ppc440spe_adma_desc_slot *desc,
}
/**
- * ppc440spe_desc_init_memset - initialize the descriptor for MEMSET operation
- */
-static void ppc440spe_desc_init_memset(struct ppc440spe_adma_desc_slot *desc,
- int value, unsigned long flags)
-{
- struct dma_cdb *hw_desc = desc->hw_desc;
-
- memset(desc->hw_desc, 0, sizeof(struct dma_cdb));
- desc->hw_next = NULL;
- desc->src_cnt = 1;
- desc->dst_cnt = 1;
-
- if (flags & DMA_PREP_INTERRUPT)
- set_bit(PPC440SPE_DESC_INT, &desc->flags);
- else
- clear_bit(PPC440SPE_DESC_INT, &desc->flags);
-
- hw_desc->sg1u = hw_desc->sg1l = cpu_to_le32((u32)value);
- hw_desc->sg3u = hw_desc->sg3l = cpu_to_le32((u32)value);
- hw_desc->opc = DMA_CDB_OPC_DFILL128;
-}
-
-/**
* ppc440spe_desc_set_src_addr - set source address into the descriptor
*/
static void ppc440spe_desc_set_src_addr(struct ppc440spe_adma_desc_slot *desc,
@@ -1504,8 +1481,6 @@ static dma_cookie_t ppc440spe_adma_run_tx_complete_actions(
struct ppc440spe_adma_chan *chan,
dma_cookie_t cookie)
{
- int i;
-
BUG_ON(desc->async_tx.cookie < 0);
if (desc->async_tx.cookie > 0) {
cookie = desc->async_tx.cookie;
@@ -3898,7 +3873,7 @@ static void ppc440spe_adma_init_capabilities(struct ppc440spe_adma_device *adev)
ppc440spe_adma_prep_dma_interrupt;
}
pr_info("%s: AMCC(R) PPC440SP(E) ADMA Engine: "
- "( %s%s%s%s%s%s%s)\n",
+ "( %s%s%s%s%s%s)\n",
dev_name(adev->dev),
dma_has_cap(DMA_PQ, adev->common.cap_mask) ? "pq " : "",
dma_has_cap(DMA_PQ_VAL, adev->common.cap_mask) ? "pq_val " : "",
diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c
index 4cb127978636..4eddedb6eb7d 100644
--- a/drivers/dma/s3c24xx-dma.c
+++ b/drivers/dma/s3c24xx-dma.c
@@ -628,42 +628,13 @@ retry:
s3cchan->state = S3C24XX_DMA_CHAN_IDLE;
}
-static void s3c24xx_dma_unmap_buffers(struct s3c24xx_txd *txd)
-{
- struct device *dev = txd->vd.tx.chan->device->dev;
- struct s3c24xx_sg *dsg;
-
- if (!(txd->vd.tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) {
- if (txd->vd.tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE)
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_single(dev, dsg->src_addr, dsg->len,
- DMA_TO_DEVICE);
- else {
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_page(dev, dsg->src_addr, dsg->len,
- DMA_TO_DEVICE);
- }
- }
-
- if (!(txd->vd.tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
- if (txd->vd.tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE)
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_single(dev, dsg->dst_addr, dsg->len,
- DMA_FROM_DEVICE);
- else
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_page(dev, dsg->dst_addr, dsg->len,
- DMA_FROM_DEVICE);
- }
-}
-
static void s3c24xx_dma_desc_free(struct virt_dma_desc *vd)
{
struct s3c24xx_txd *txd = to_s3c24xx_txd(&vd->tx);
struct s3c24xx_dma_chan *s3cchan = to_s3c24xx_dma_chan(vd->tx.chan);
if (!s3cchan->slave)
- s3c24xx_dma_unmap_buffers(txd);
+ dma_descriptor_unmap(&vd->tx);
s3c24xx_dma_free_txd(txd);
}
@@ -795,7 +766,7 @@ static enum dma_status s3c24xx_dma_tx_status(struct dma_chan *chan,
spin_lock_irqsave(&s3cchan->vc.lock, flags);
ret = dma_cookie_status(chan, cookie, txstate);
- if (ret == DMA_SUCCESS) {
+ if (ret == DMA_COMPLETE) {
spin_unlock_irqrestore(&s3cchan->vc.lock, flags);
return ret;
}
diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c
index ebad84591a6e..3083d901a414 100644
--- a/drivers/dma/sh/rcar-hpbdma.c
+++ b/drivers/dma/sh/rcar-hpbdma.c
@@ -60,6 +60,7 @@
#define HPB_DMAE_DSTPR_DMSTP BIT(0)
/* DMA status register (DSTSR) bits */
+#define HPB_DMAE_DSTSR_DQSTS BIT(2)
#define HPB_DMAE_DSTSR_DMSTS BIT(0)
/* DMA common registers */
@@ -286,6 +287,9 @@ static void hpb_dmae_halt(struct shdma_chan *schan)
ch_reg_write(chan, HPB_DMAE_DCMDR_DQEND, HPB_DMAE_DCMDR);
ch_reg_write(chan, HPB_DMAE_DSTPR_DMSTP, HPB_DMAE_DSTPR);
+
+ chan->plane_idx = 0;
+ chan->first_desc = true;
}
static const struct hpb_dmae_slave_config *
@@ -385,7 +389,10 @@ static bool hpb_dmae_channel_busy(struct shdma_chan *schan)
struct hpb_dmae_chan *chan = to_chan(schan);
u32 dstsr = ch_reg_read(chan, HPB_DMAE_DSTSR);
- return (dstsr & HPB_DMAE_DSTSR_DMSTS) == HPB_DMAE_DSTSR_DMSTS;
+ if (chan->xfer_mode == XFER_DOUBLE)
+ return dstsr & HPB_DMAE_DSTSR_DQSTS;
+ else
+ return dstsr & HPB_DMAE_DSTSR_DMSTS;
}
static int
@@ -510,6 +517,8 @@ static int hpb_dmae_chan_probe(struct hpb_dmae_device *hpbdev, int id)
}
schan = &new_hpb_chan->shdma_chan;
+ schan->max_xfer_len = HPB_DMA_TCR_MAX;
+
shdma_chan_probe(sdev, schan, id);
if (pdev->id >= 0)
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index bae6c29f5502..17686caf64d5 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -406,7 +406,6 @@ txx9dmac_descriptor_complete(struct txx9dmac_chan *dc,
dma_async_tx_callback callback;
void *param;
struct dma_async_tx_descriptor *txd = &desc->txd;
- struct txx9dmac_slave *ds = dc->chan.private;
dev_vdbg(chan2dev(&dc->chan), "descriptor %u %p complete\n",
txd->cookie, desc);
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 8472405c5586..d7f1b57bd3be 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -945,7 +945,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
u32 tad_offset;
u32 rir_way;
u32 mb, kb;
- u64 ch_addr, offset, limit, prv = 0;
+ u64 ch_addr, offset, limit = 0, prv = 0;
/*
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 3c55ec856e39..a287cece0593 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -1082,7 +1082,7 @@ static void arizona_micd_set_level(struct arizona *arizona, int index,
static int arizona_extcon_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
- struct arizona_pdata *pdata;
+ struct arizona_pdata *pdata = &arizona->pdata;
struct arizona_extcon_info *info;
unsigned int val;
int jack_irq_fall, jack_irq_rise;
@@ -1091,8 +1091,6 @@ static int arizona_extcon_probe(struct platform_device *pdev)
if (!arizona->dapm || !arizona->dapm->card)
return -EPROBE_DEFER;
- pdata = dev_get_platdata(arizona->dev);
-
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
index 15443d3b6be1..76322330cbd7 100644
--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@@ -792,6 +792,8 @@ void extcon_dev_unregister(struct extcon_dev *edev)
return;
}
+ device_unregister(&edev->dev);
+
if (edev->mutually_exclusive && edev->max_supported) {
for (index = 0; edev->mutually_exclusive[index];
index++)
@@ -812,7 +814,6 @@ void extcon_dev_unregister(struct extcon_dev *edev)
if (switch_class)
class_compat_remove_link(switch_class, &edev->dev, NULL);
#endif
- device_unregister(&edev->dev);
put_device(&edev->dev);
}
EXPORT_SYMBOL_GPL(extcon_dev_unregister);
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 299fad6b5867..5373dc5b6011 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -14,3 +14,4 @@ obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o
obj-$(CONFIG_GOOGLE_FIRMWARE) += google/
obj-$(CONFIG_EFI) += efi/
+obj-$(CONFIG_UEFI_CPER) += efi/
diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig
index 3150aa4874e8..6aecbc86ec94 100644
--- a/drivers/firmware/efi/Kconfig
+++ b/drivers/firmware/efi/Kconfig
@@ -36,7 +36,7 @@ config EFI_VARS_PSTORE_DEFAULT_DISABLE
backend for pstore by default. This setting can be overridden
using the efivars module's pstore_disable parameter.
-config UEFI_CPER
- def_bool n
-
endmenu
+
+config UEFI_CPER
+ bool
diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
index 9ba156d3c775..6c2a41ec21ba 100644
--- a/drivers/firmware/efi/Makefile
+++ b/drivers/firmware/efi/Makefile
@@ -1,7 +1,7 @@
#
# Makefile for linux kernel
#
-obj-y += efi.o vars.o
+obj-$(CONFIG_EFI) += efi.o vars.o
obj-$(CONFIG_EFI_VARS) += efivars.o
obj-$(CONFIG_EFI_VARS_PSTORE) += efi-pstore.o
obj-$(CONFIG_UEFI_CPER) += cper.o
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index 5002d50e3781..4b9dc836dcf9 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -18,14 +18,12 @@ module_param_named(pstore_disable, efivars_pstore_disable, bool, 0644);
static int efi_pstore_open(struct pstore_info *psi)
{
- efivar_entry_iter_begin();
psi->data = NULL;
return 0;
}
static int efi_pstore_close(struct pstore_info *psi)
{
- efivar_entry_iter_end();
psi->data = NULL;
return 0;
}
@@ -39,6 +37,12 @@ struct pstore_read_data {
char **buf;
};
+static inline u64 generic_id(unsigned long timestamp,
+ unsigned int part, int count)
+{
+ return (timestamp * 100 + part) * 1000 + count;
+}
+
static int efi_pstore_read_func(struct efivar_entry *entry, void *data)
{
efi_guid_t vendor = LINUX_EFI_CRASH_GUID;
@@ -57,7 +61,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data)
if (sscanf(name, "dump-type%u-%u-%d-%lu-%c",
cb_data->type, &part, &cnt, &time, &data_type) == 5) {
- *cb_data->id = part;
+ *cb_data->id = generic_id(time, part, cnt);
*cb_data->count = cnt;
cb_data->timespec->tv_sec = time;
cb_data->timespec->tv_nsec = 0;
@@ -67,7 +71,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data)
*cb_data->compressed = false;
} else if (sscanf(name, "dump-type%u-%u-%d-%lu",
cb_data->type, &part, &cnt, &time) == 4) {
- *cb_data->id = part;
+ *cb_data->id = generic_id(time, part, cnt);
*cb_data->count = cnt;
cb_data->timespec->tv_sec = time;
cb_data->timespec->tv_nsec = 0;
@@ -79,7 +83,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data)
* which doesn't support holding
* multiple logs, remains.
*/
- *cb_data->id = part;
+ *cb_data->id = generic_id(time, part, 0);
*cb_data->count = 0;
cb_data->timespec->tv_sec = time;
cb_data->timespec->tv_nsec = 0;
@@ -91,19 +95,125 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data)
__efivar_entry_get(entry, &entry->var.Attributes,
&entry->var.DataSize, entry->var.Data);
size = entry->var.DataSize;
+ memcpy(*cb_data->buf, entry->var.Data,
+ (size_t)min_t(unsigned long, EFIVARS_DATA_SIZE_MAX, size));
- *cb_data->buf = kmemdup(entry->var.Data, size, GFP_KERNEL);
- if (*cb_data->buf == NULL)
- return -ENOMEM;
return size;
}
+/**
+ * efi_pstore_scan_sysfs_enter
+ * @entry: scanning entry
+ * @next: next entry
+ * @head: list head
+ */
+static void efi_pstore_scan_sysfs_enter(struct efivar_entry *pos,
+ struct efivar_entry *next,
+ struct list_head *head)
+{
+ pos->scanning = true;
+ if (&next->list != head)
+ next->scanning = true;
+}
+
+/**
+ * __efi_pstore_scan_sysfs_exit
+ * @entry: deleting entry
+ * @turn_off_scanning: Check if a scanning flag should be turned off
+ */
+static inline void __efi_pstore_scan_sysfs_exit(struct efivar_entry *entry,
+ bool turn_off_scanning)
+{
+ if (entry->deleting) {
+ list_del(&entry->list);
+ efivar_entry_iter_end();
+ efivar_unregister(entry);
+ efivar_entry_iter_begin();
+ } else if (turn_off_scanning)
+ entry->scanning = false;
+}
+
+/**
+ * efi_pstore_scan_sysfs_exit
+ * @pos: scanning entry
+ * @next: next entry
+ * @head: list head
+ * @stop: a flag checking if scanning will stop
+ */
+static void efi_pstore_scan_sysfs_exit(struct efivar_entry *pos,
+ struct efivar_entry *next,
+ struct list_head *head, bool stop)
+{
+ __efi_pstore_scan_sysfs_exit(pos, true);
+ if (stop)
+ __efi_pstore_scan_sysfs_exit(next, &next->list != head);
+}
+
+/**
+ * efi_pstore_sysfs_entry_iter
+ *
+ * @data: function-specific data to pass to callback
+ * @pos: entry to begin iterating from
+ *
+ * You MUST call efivar_enter_iter_begin() before this function, and
+ * efivar_entry_iter_end() afterwards.
+ *
+ * It is possible to begin iteration from an arbitrary entry within
+ * the list by passing @pos. @pos is updated on return to point to
+ * the next entry of the last one passed to efi_pstore_read_func().
+ * To begin iterating from the beginning of the list @pos must be %NULL.
+ */
+static int efi_pstore_sysfs_entry_iter(void *data, struct efivar_entry **pos)
+{
+ struct efivar_entry *entry, *n;
+ struct list_head *head = &efivar_sysfs_list;
+ int size = 0;
+
+ if (!*pos) {
+ list_for_each_entry_safe(entry, n, head, list) {
+ efi_pstore_scan_sysfs_enter(entry, n, head);
+
+ size = efi_pstore_read_func(entry, data);
+ efi_pstore_scan_sysfs_exit(entry, n, head, size < 0);
+ if (size)
+ break;
+ }
+ *pos = n;
+ return size;
+ }
+
+ list_for_each_entry_safe_from((*pos), n, head, list) {
+ efi_pstore_scan_sysfs_enter((*pos), n, head);
+
+ size = efi_pstore_read_func((*pos), data);
+ efi_pstore_scan_sysfs_exit((*pos), n, head, size < 0);
+ if (size)
+ break;
+ }
+ *pos = n;
+ return size;
+}
+
+/**
+ * efi_pstore_read
+ *
+ * This function returns a size of NVRAM entry logged via efi_pstore_write().
+ * The meaning and behavior of efi_pstore/pstore are as below.
+ *
+ * size > 0: Got data of an entry logged via efi_pstore_write() successfully,
+ * and pstore filesystem will continue reading subsequent entries.
+ * size == 0: Entry was not logged via efi_pstore_write(),
+ * and efi_pstore driver will continue reading subsequent entries.
+ * size < 0: Failed to get data of entry logging via efi_pstore_write(),
+ * and pstore will stop reading entry.
+ */
static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
int *count, struct timespec *timespec,
char **buf, bool *compressed,
struct pstore_info *psi)
{
struct pstore_read_data data;
+ ssize_t size;
data.id = id;
data.type = type;
@@ -112,8 +222,17 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
data.compressed = compressed;
data.buf = buf;
- return __efivar_entry_iter(efi_pstore_read_func, &efivar_sysfs_list, &data,
- (struct efivar_entry **)&psi->data);
+ *data.buf = kzalloc(EFIVARS_DATA_SIZE_MAX, GFP_KERNEL);
+ if (!*data.buf)
+ return -ENOMEM;
+
+ efivar_entry_iter_begin();
+ size = efi_pstore_sysfs_entry_iter(&data,
+ (struct efivar_entry **)&psi->data);
+ efivar_entry_iter_end();
+ if (size <= 0)
+ kfree(*data.buf);
+ return size;
}
static int efi_pstore_write(enum pstore_type_id type,
@@ -184,9 +303,17 @@ static int efi_pstore_erase_func(struct efivar_entry *entry, void *data)
return 0;
}
+ if (entry->scanning) {
+ /*
+ * Skip deletion because this entry will be deleted
+ * after scanning is completed.
+ */
+ entry->deleting = true;
+ } else
+ list_del(&entry->list);
+
/* found */
__efivar_entry_delete(entry);
- list_del(&entry->list);
return 1;
}
@@ -199,14 +326,16 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count,
char name[DUMP_NAME_LEN];
efi_char16_t efi_name[DUMP_NAME_LEN];
int found, i;
+ unsigned int part;
- sprintf(name, "dump-type%u-%u-%d-%lu", type, (unsigned int)id, count,
- time.tv_sec);
+ do_div(id, 1000);
+ part = do_div(id, 100);
+ sprintf(name, "dump-type%u-%u-%d-%lu", type, part, count, time.tv_sec);
for (i = 0; i < DUMP_NAME_LEN; i++)
efi_name[i] = name[i];
- edata.id = id;
+ edata.id = part;
edata.type = type;
edata.count = count;
edata.time = time;
@@ -214,10 +343,12 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count,
efivar_entry_iter_begin();
found = __efivar_entry_iter(efi_pstore_erase_func, &efivar_sysfs_list, &edata, &entry);
- efivar_entry_iter_end();
- if (found)
+ if (found && !entry->scanning) {
+ efivar_entry_iter_end();
efivar_unregister(entry);
+ } else
+ efivar_entry_iter_end();
return 0;
}
@@ -225,6 +356,7 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count,
static struct pstore_info efi_pstore_info = {
.owner = THIS_MODULE,
.name = "efi",
+ .flags = PSTORE_FLAGS_FRAGILE,
.open = efi_pstore_open,
.close = efi_pstore_close,
.read = efi_pstore_read,
diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
index 933eb027d527..3dc248239197 100644
--- a/drivers/firmware/efi/efivars.c
+++ b/drivers/firmware/efi/efivars.c
@@ -383,12 +383,16 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj,
else if (__efivar_entry_delete(entry))
err = -EIO;
- efivar_entry_iter_end();
-
- if (err)
+ if (err) {
+ efivar_entry_iter_end();
return err;
+ }
- efivar_unregister(entry);
+ if (!entry->scanning) {
+ efivar_entry_iter_end();
+ efivar_unregister(entry);
+ } else
+ efivar_entry_iter_end();
/* It's dead Jim.... */
return count;
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index 391c67b182d9..b22659cccca4 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -683,8 +683,16 @@ struct efivar_entry *efivar_entry_find(efi_char16_t *name, efi_guid_t guid,
if (!found)
return NULL;
- if (remove)
- list_del(&entry->list);
+ if (remove) {
+ if (entry->scanning) {
+ /*
+ * The entry will be deleted
+ * after scanning is completed.
+ */
+ entry->deleting = true;
+ } else
+ list_del(&entry->list);
+ }
return entry;
}
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index 72c927dc3be1..54c18c220a60 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -158,7 +158,7 @@ static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio)
spin_unlock_irqrestore(&kona_gpio->lock, flags);
/* return the specified bit status */
- return !!(val & bit);
+ return !!(val & BIT(bit));
}
static int bcm_kona_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 8847adf392b7..84be70157ad6 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -327,7 +327,7 @@ static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
* NOTE: we assume for now that only irqs in the first gpio_chip
* can provide direct-mapped IRQs to AINTC (up to 32 GPIOs).
*/
- if (offset < d->irq_base)
+ if (offset < d->gpio_unbanked)
return d->gpio_irq + offset;
else
return -ENODEV;
@@ -419,6 +419,8 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
/* pass "bank 0" GPIO IRQs to AINTC */
chips[0].chip.to_irq = gpio_to_irq_unbanked;
+ chips[0].gpio_irq = bank_irq;
+ chips[0].gpio_unbanked = pdata->gpio_unbanked;
binten = BIT(0);
/* AINTC handles mask/unmask; GPIO handles triggering */
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 914e859e3eda..d7d6d72eba33 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -70,10 +70,14 @@ static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio)
u32 val;
struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm);
+ u32 out_mask, out_shadow;
- val = in_be32(mm->regs + GPIO_DAT) & ~in_be32(mm->regs + GPIO_DIR);
+ out_mask = in_be32(mm->regs + GPIO_DIR);
- return (val | mpc8xxx_gc->data) & mpc8xxx_gpio2mask(gpio);
+ val = in_be32(mm->regs + GPIO_DAT) & ~out_mask;
+ out_shadow = mpc8xxx_gc->data & out_mask;
+
+ return (val | out_shadow) & mpc8xxx_gpio2mask(gpio);
}
static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio)
diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c
index f7a0cc4da950..2baf0ddf7e02 100644
--- a/drivers/gpio/gpio-msm-v2.c
+++ b/drivers/gpio/gpio-msm-v2.c
@@ -102,7 +102,7 @@ struct msm_gpio_dev {
DECLARE_BITMAP(wake_irqs, MAX_NR_GPIO);
DECLARE_BITMAP(dual_edge_irqs, MAX_NR_GPIO);
struct irq_domain *domain;
- unsigned int summary_irq;
+ int summary_irq;
void __iomem *msm_tlmm_base;
};
@@ -252,7 +252,7 @@ static void msm_gpio_irq_mask(struct irq_data *d)
spin_lock_irqsave(&tlmm_lock, irq_flags);
writel(TARGET_PROC_NONE, GPIO_INTR_CFG_SU(gpio));
- clear_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
+ clear_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
__clear_bit(gpio, msm_gpio.enabled_irqs);
spin_unlock_irqrestore(&tlmm_lock, irq_flags);
}
@@ -264,7 +264,7 @@ static void msm_gpio_irq_unmask(struct irq_data *d)
spin_lock_irqsave(&tlmm_lock, irq_flags);
__set_bit(gpio, msm_gpio.enabled_irqs);
- set_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
+ set_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
writel(TARGET_PROC_SCORPION, GPIO_INTR_CFG_SU(gpio));
spin_unlock_irqrestore(&tlmm_lock, irq_flags);
}
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 3c3321f94053..db3129043e63 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -79,7 +79,7 @@ struct mvebu_gpio_chip {
spinlock_t lock;
void __iomem *membase;
void __iomem *percpu_membase;
- unsigned int irqbase;
+ int irqbase;
struct irq_domain *domain;
int soc_variant;
};
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index f22f7f3e2e53..b4d42112d02d 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -286,11 +286,6 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
if (!chip->base)
return -ENOMEM;
- chip->domain = irq_domain_add_simple(adev->dev.of_node, PL061_GPIO_NR,
- irq_base, &pl061_domain_ops, chip);
- if (!chip->domain)
- return -ENODEV;
-
spin_lock_init(&chip->lock);
chip->gc.request = pl061_gpio_request;
@@ -320,6 +315,11 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
irq_set_chained_handler(irq, pl061_irq_handler);
irq_set_handler_data(irq, chip);
+ chip->domain = irq_domain_add_simple(adev->dev.of_node, PL061_GPIO_NR,
+ irq_base, &pl061_domain_ops, chip);
+ if (!chip->domain)
+ return -ENODEV;
+
for (i = 0; i < PL061_GPIO_NR; i++) {
if (pdata) {
if (pdata->directions & (1 << i))
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index d3f15ae93bd3..8b7e719a68c3 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -169,7 +169,8 @@ static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
u32 pending;
unsigned int offset, irqs_handled = 0;
- while ((pending = gpio_rcar_read(p, INTDT))) {
+ while ((pending = gpio_rcar_read(p, INTDT) &
+ gpio_rcar_read(p, INTMSK))) {
offset = __ffs(pending);
gpio_rcar_write(p, INTCLR, BIT(offset));
generic_handle_irq(irq_find_mapping(p->irq_domain, offset));
@@ -381,7 +382,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
if (!p->irq_domain) {
ret = -ENXIO;
dev_err(&pdev->dev, "cannot initialize irq domain\n");
- goto err1;
+ goto err0;
}
if (devm_request_irq(&pdev->dev, irq->start,
diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c
index 0502b9a041a5..da071ddbad99 100644
--- a/drivers/gpio/gpio-tb10x.c
+++ b/drivers/gpio/gpio-tb10x.c
@@ -132,6 +132,7 @@ static int tb10x_gpio_direction_out(struct gpio_chip *chip,
int mask = BIT(offset);
int val = TB10X_GPIO_DIR_OUT << offset;
+ tb10x_gpio_set(chip, offset, value);
tb10x_set_bits(tb10x_gpio, OFFSET_TO_REG_DDR, mask, val);
return 0;
diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c
index 0c7e891c8651..f9996899c1f2 100644
--- a/drivers/gpio/gpio-twl4030.c
+++ b/drivers/gpio/gpio-twl4030.c
@@ -300,7 +300,7 @@ static int twl_direction_in(struct gpio_chip *chip, unsigned offset)
if (offset < TWL4030_GPIO_MAX)
ret = twl4030_set_gpio_direction(offset, 1);
else
- ret = -EINVAL;
+ ret = -EINVAL; /* LED outputs can't be set as input */
if (!ret)
priv->direction &= ~BIT(offset);
@@ -354,17 +354,27 @@ static void twl_set(struct gpio_chip *chip, unsigned offset, int value)
static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
+ int ret = 0;
mutex_lock(&priv->mutex);
- if (offset < TWL4030_GPIO_MAX)
- twl4030_set_gpio_dataout(offset, value);
+ if (offset < TWL4030_GPIO_MAX) {
+ ret = twl4030_set_gpio_direction(offset, 0);
+ if (ret) {
+ mutex_unlock(&priv->mutex);
+ return ret;
+ }
+ }
+
+ /*
+ * LED gpios i.e. offset >= TWL4030_GPIO_MAX are always output
+ */
priv->direction |= BIT(offset);
mutex_unlock(&priv->mutex);
twl_set(chip, offset, value);
- return 0;
+ return ret;
}
static int twl_to_irq(struct gpio_chip *chip, unsigned offset)
@@ -435,7 +445,8 @@ static int gpio_twl4030_debounce(u32 debounce, u8 mmc_cd)
static int gpio_twl4030_remove(struct platform_device *pdev);
-static struct twl4030_gpio_platform_data *of_gpio_twl4030(struct device *dev)
+static struct twl4030_gpio_platform_data *of_gpio_twl4030(struct device *dev,
+ struct twl4030_gpio_platform_data *pdata)
{
struct twl4030_gpio_platform_data *omap_twl_info;
@@ -443,6 +454,9 @@ static struct twl4030_gpio_platform_data *of_gpio_twl4030(struct device *dev)
if (!omap_twl_info)
return NULL;
+ if (pdata)
+ *omap_twl_info = *pdata;
+
omap_twl_info->use_leds = of_property_read_bool(dev->of_node,
"ti,use-leds");
@@ -500,7 +514,7 @@ no_irqs:
mutex_init(&priv->mutex);
if (node)
- pdata = of_gpio_twl4030(&pdev->dev);
+ pdata = of_gpio_twl4030(&pdev->dev, pdata);
if (pdata == NULL) {
dev_err(&pdev->dev, "Platform data is missing\n");
diff --git a/drivers/gpio/gpio-ucb1400.c b/drivers/gpio/gpio-ucb1400.c
index 1a605f2a0f55..06fb5cf99ded 100644
--- a/drivers/gpio/gpio-ucb1400.c
+++ b/drivers/gpio/gpio-ucb1400.c
@@ -105,3 +105,4 @@ module_platform_driver(ucb1400_gpio_driver);
MODULE_DESCRIPTION("Philips UCB1400 GPIO driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ucb1400_gpio");
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 4e10b10d3ddd..85f772c0b26a 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -14,6 +14,7 @@
#include <linux/idr.h>
#include <linux/slab.h>
#include <linux/acpi.h>
+#include <linux/gpio/driver.h>
#define CREATE_TRACE_POINTS
#include <trace/events/gpio.h>
@@ -1308,6 +1309,18 @@ struct gpio_chip *gpiochip_find(void *data,
}
EXPORT_SYMBOL_GPL(gpiochip_find);
+static int gpiochip_match_name(struct gpio_chip *chip, void *data)
+{
+ const char *name = data;
+
+ return !strcmp(chip->label, name);
+}
+
+static struct gpio_chip *find_chip_by_name(const char *name)
+{
+ return gpiochip_find((void *)name, gpiochip_match_name);
+}
+
#ifdef CONFIG_PINCTRL
/**
@@ -1341,8 +1354,10 @@ int gpiochip_add_pingroup_range(struct gpio_chip *chip,
ret = pinctrl_get_group_pins(pctldev, pin_group,
&pin_range->range.pins,
&pin_range->range.npins);
- if (ret < 0)
+ if (ret < 0) {
+ kfree(pin_range);
return ret;
+ }
pinctrl_add_gpio_range(pctldev, &pin_range->range);
@@ -2260,26 +2275,10 @@ void gpiod_add_table(struct gpiod_lookup *table, size_t size)
mutex_unlock(&gpio_lookup_lock);
}
-/*
- * Caller must have a acquired gpio_lookup_lock
- */
-static struct gpio_chip *find_chip_by_name(const char *name)
-{
- struct gpio_chip *chip = NULL;
-
- list_for_each_entry(chip, &gpio_lookup_list, list) {
- if (chip->label == NULL)
- continue;
- if (!strcmp(chip->label, name))
- break;
- }
-
- return chip;
-}
-
#ifdef CONFIG_OF
static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
- unsigned int idx, unsigned long *flags)
+ unsigned int idx,
+ enum gpio_lookup_flags *flags)
{
char prop_name[32]; /* 32 is max size of property name */
enum of_gpio_flags of_flags;
@@ -2297,20 +2296,22 @@ static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
return desc;
if (of_flags & OF_GPIO_ACTIVE_LOW)
- *flags |= GPIOF_ACTIVE_LOW;
+ *flags |= GPIO_ACTIVE_LOW;
return desc;
}
#else
static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
- unsigned int idx, unsigned long *flags)
+ unsigned int idx,
+ enum gpio_lookup_flags *flags)
{
return ERR_PTR(-ENODEV);
}
#endif
static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id,
- unsigned int idx, unsigned long *flags)
+ unsigned int idx,
+ enum gpio_lookup_flags *flags)
{
struct acpi_gpio_info info;
struct gpio_desc *desc;
@@ -2320,13 +2321,14 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id,
return desc;
if (info.gpioint && info.active_low)
- *flags |= GPIOF_ACTIVE_LOW;
+ *flags |= GPIO_ACTIVE_LOW;
return desc;
}
static struct gpio_desc *gpiod_find(struct device *dev, const char *con_id,
- unsigned int idx, unsigned long *flags)
+ unsigned int idx,
+ enum gpio_lookup_flags *flags)
{
const char *dev_id = dev ? dev_name(dev) : NULL;
struct gpio_desc *desc = ERR_PTR(-ENODEV);
@@ -2366,7 +2368,7 @@ static struct gpio_desc *gpiod_find(struct device *dev, const char *con_id,
continue;
}
- if (chip->ngpio >= p->chip_hwnum) {
+ if (chip->ngpio <= p->chip_hwnum) {
dev_warn(dev, "GPIO chip %s has %d GPIOs\n",
chip->label, chip->ngpio);
continue;
@@ -2416,9 +2418,9 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev,
const char *con_id,
unsigned int idx)
{
- struct gpio_desc *desc;
+ struct gpio_desc *desc = NULL;
int status;
- unsigned long flags = 0;
+ enum gpio_lookup_flags flags = 0;
dev_dbg(dev, "GPIO lookup for consumer %s\n", con_id);
@@ -2429,13 +2431,23 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev,
} else if (IS_ENABLED(CONFIG_ACPI) && dev && ACPI_HANDLE(dev)) {
dev_dbg(dev, "using ACPI for GPIO lookup\n");
desc = acpi_find_gpio(dev, con_id, idx, &flags);
- } else {
+ }
+
+ /*
+ * Either we are not using DT or ACPI, or their lookup did not return
+ * a result. In that case, use platform lookup as a fallback.
+ */
+ if (!desc || IS_ERR(desc)) {
+ struct gpio_desc *pdesc;
dev_dbg(dev, "using lookup tables for GPIO lookup");
- desc = gpiod_find(dev, con_id, idx, &flags);
+ pdesc = gpiod_find(dev, con_id, idx, &flags);
+ /* If used as fallback, do not replace the previous error */
+ if (!IS_ERR(pdesc) || !desc)
+ desc = pdesc;
}
if (IS_ERR(desc)) {
- dev_warn(dev, "lookup for GPIO %s failed\n", con_id);
+ dev_dbg(dev, "lookup for GPIO %s failed\n", con_id);
return desc;
}
@@ -2444,8 +2456,12 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev,
if (status < 0)
return ERR_PTR(status);
- if (flags & GPIOF_ACTIVE_LOW)
+ if (flags & GPIO_ACTIVE_LOW)
set_bit(FLAG_ACTIVE_LOW, &desc->flags);
+ if (flags & GPIO_OPEN_DRAIN)
+ set_bit(FLAG_OPEN_DRAIN, &desc->flags);
+ if (flags & GPIO_OPEN_SOURCE)
+ set_bit(FLAG_OPEN_SOURCE, &desc->flags);
return desc;
}
diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h
index eef09ec9a5ff..a72cae03b99b 100644
--- a/drivers/gpu/drm/armada/armada_drm.h
+++ b/drivers/gpu/drm/armada/armada_drm.h
@@ -103,6 +103,7 @@ void armada_drm_queue_unref_work(struct drm_device *,
extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs;
int armada_fbdev_init(struct drm_device *);
+void armada_fbdev_lastclose(struct drm_device *);
void armada_fbdev_fini(struct drm_device *);
int armada_overlay_plane_create(struct drm_device *, unsigned long);
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 4f2b28354915..62d0ff3efddf 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -321,6 +321,11 @@ static struct drm_ioctl_desc armada_ioctls[] = {
DRM_UNLOCKED),
};
+static void armada_drm_lastclose(struct drm_device *dev)
+{
+ armada_fbdev_lastclose(dev);
+}
+
static const struct file_operations armada_drm_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
@@ -337,7 +342,7 @@ static struct drm_driver armada_drm_driver = {
.open = NULL,
.preclose = NULL,
.postclose = NULL,
- .lastclose = NULL,
+ .lastclose = armada_drm_lastclose,
.unload = armada_drm_unload,
.get_vblank_counter = drm_vblank_count,
.enable_vblank = armada_drm_enable_vblank,
diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c
index dd5ea77dac96..948cb14c561e 100644
--- a/drivers/gpu/drm/armada/armada_fbdev.c
+++ b/drivers/gpu/drm/armada/armada_fbdev.c
@@ -105,9 +105,9 @@ static int armada_fb_create(struct drm_fb_helper *fbh,
drm_fb_helper_fill_fix(info, dfb->fb.pitches[0], dfb->fb.depth);
drm_fb_helper_fill_var(info, fbh, sizes->fb_width, sizes->fb_height);
- DRM_DEBUG_KMS("allocated %dx%d %dbpp fb: 0x%08x\n",
- dfb->fb.width, dfb->fb.height,
- dfb->fb.bits_per_pixel, obj->phys_addr);
+ DRM_DEBUG_KMS("allocated %dx%d %dbpp fb: 0x%08llx\n",
+ dfb->fb.width, dfb->fb.height, dfb->fb.bits_per_pixel,
+ (unsigned long long)obj->phys_addr);
return 0;
@@ -177,6 +177,16 @@ int armada_fbdev_init(struct drm_device *dev)
return ret;
}
+void armada_fbdev_lastclose(struct drm_device *dev)
+{
+ struct armada_private *priv = dev->dev_private;
+
+ drm_modeset_lock_all(dev);
+ if (priv->fbdev)
+ drm_fb_helper_restore_fbdev_mode(priv->fbdev);
+ drm_modeset_unlock_all(dev);
+}
+
void armada_fbdev_fini(struct drm_device *dev)
{
struct armada_private *priv = dev->dev_private;
@@ -192,11 +202,11 @@ void armada_fbdev_fini(struct drm_device *dev)
framebuffer_release(info);
}
+ drm_fb_helper_fini(fbh);
+
if (fbh->fb)
fbh->fb->funcs->destroy(fbh->fb);
- drm_fb_helper_fini(fbh);
-
priv->fbdev = NULL;
}
}
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index 9f2356bae7fd..887816f43476 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -172,8 +172,9 @@ armada_gem_linear_back(struct drm_device *dev, struct armada_gem_object *obj)
obj->dev_addr = obj->linear->start;
}
- DRM_DEBUG_DRIVER("obj %p phys %#x dev %#x\n",
- obj, obj->phys_addr, obj->dev_addr);
+ DRM_DEBUG_DRIVER("obj %p phys %#llx dev %#llx\n", obj,
+ (unsigned long long)obj->phys_addr,
+ (unsigned long long)obj->dev_addr);
return 0;
}
@@ -557,7 +558,6 @@ armada_gem_prime_import(struct drm_device *dev, struct dma_buf *buf)
* refcount on the gem object itself.
*/
drm_gem_object_reference(obj);
- dma_buf_put(buf);
return obj;
}
}
@@ -573,6 +573,7 @@ armada_gem_prime_import(struct drm_device *dev, struct dma_buf *buf)
}
dobj->obj.import_attach = attach;
+ get_dma_buf(buf);
/*
* Don't call dma_buf_map_attachment() here - it maps the
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index fb7cf0e796f6..8835dcddfac3 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -68,6 +68,8 @@
#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
/* Force reduced-blanking timings for detailed modes */
#define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
+/* Force 8bpc */
+#define EDID_QUIRK_FORCE_8BPC (1 << 8)
struct detailed_mode_closure {
struct drm_connector *connector;
@@ -128,6 +130,9 @@ static struct edid_quirk {
/* Medion MD 30217 PG */
{ "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
+
+ /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
+ { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
};
/*
@@ -2674,7 +2679,7 @@ static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
int modes = 0;
u8 cea_mode;
- if (video_db == NULL || video_index > video_len)
+ if (video_db == NULL || video_index >= video_len)
return 0;
/* CEA modes are numbered 1..127 */
@@ -2701,7 +2706,7 @@ static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
if (structure & (1 << 8)) {
newmode = drm_mode_duplicate(dev, &edid_cea_modes[cea_mode]);
if (newmode) {
- newmode->flags = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
+ newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
drm_mode_probed_add(connector, newmode);
modes++;
}
@@ -3435,6 +3440,9 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
drm_add_display_info(edid, &connector->display_info);
+ if (quirks & EDID_QUIRK_FORCE_8BPC)
+ connector->display_info.bpc = 8;
+
return num_modes;
}
EXPORT_SYMBOL(drm_add_edid_modes);
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index f53d5246979c..66dd3a001cf1 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -566,11 +566,11 @@ err_unload:
if (dev->driver->unload)
dev->driver->unload(dev);
err_primary_node:
- drm_put_minor(dev->primary);
+ drm_unplug_minor(dev->primary);
err_render_node:
- drm_put_minor(dev->render);
+ drm_unplug_minor(dev->render);
err_control_node:
- drm_put_minor(dev->control);
+ drm_unplug_minor(dev->control);
err_agp:
if (dev->driver->bus->agp_destroy)
dev->driver->bus->agp_destroy(dev);
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index bd2bca395792..c22c3097c3e8 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -516,7 +516,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
minor_str = "card%d";
minor->kdev = kzalloc(sizeof(*minor->kdev), GFP_KERNEL);
- if (!minor->dev) {
+ if (!minor->kdev) {
r = -ENOMEM;
goto error;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index b676006a95a0..22b8f5eced80 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -173,28 +173,37 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
static void exynos_drm_preclose(struct drm_device *dev,
struct drm_file *file)
{
+ exynos_drm_subdrv_close(dev, file);
+}
+
+static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
+{
struct exynos_drm_private *private = dev->dev_private;
- struct drm_pending_vblank_event *e, *t;
+ struct drm_pending_vblank_event *v, *vt;
+ struct drm_pending_event *e, *et;
unsigned long flags;
- /* release events of current file */
+ if (!file->driver_priv)
+ return;
+
+ /* Release all events not unhandled by page flip handler. */
spin_lock_irqsave(&dev->event_lock, flags);
- list_for_each_entry_safe(e, t, &private->pageflip_event_list,
+ list_for_each_entry_safe(v, vt, &private->pageflip_event_list,
base.link) {
- if (e->base.file_priv == file) {
- list_del(&e->base.link);
- e->base.destroy(&e->base);
+ if (v->base.file_priv == file) {
+ list_del(&v->base.link);
+ drm_vblank_put(dev, v->pipe);
+ v->base.destroy(&v->base);
}
}
- spin_unlock_irqrestore(&dev->event_lock, flags);
- exynos_drm_subdrv_close(dev, file);
-}
+ /* Release all events handled by page flip handler but not freed. */
+ list_for_each_entry_safe(e, et, &file->event_list, link) {
+ list_del(&e->link);
+ e->destroy(e);
+ }
+ spin_unlock_irqrestore(&dev->event_lock, flags);
-static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
-{
- if (!file->driver_priv)
- return;
kfree(file->driver_priv);
file->driver_priv = NULL;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 23da72b5eae9..a61878bf5dcd 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -31,7 +31,7 @@
#include "exynos_drm_iommu.h"
/*
- * FIMD is stand for Fully Interactive Mobile Display and
+ * FIMD stands for Fully Interactive Mobile Display and
* as a display controller, it transfers contents drawn on memory
* to a LCD Panel through Display Interfaces such as RGB or
* CPU Interface.
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 0cab2d045135..5c648425c1e0 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -83,6 +83,14 @@ void i915_update_dri1_breadcrumb(struct drm_device *dev)
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv;
+ /*
+ * The dri breadcrumb update races against the drm master disappearing.
+ * Instead of trying to fix this (this is by far not the only ums issue)
+ * just don't do the update in kms mode.
+ */
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
if (dev->primary->master) {
master_priv = dev->primary->master->driver_priv;
if (master_priv->sarea_priv)
@@ -1490,16 +1498,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
spin_lock_init(&dev_priv->uncore.lock);
spin_lock_init(&dev_priv->mm.object_stat_lock);
mutex_init(&dev_priv->dpio_lock);
- mutex_init(&dev_priv->rps.hw_lock);
mutex_init(&dev_priv->modeset_restore_lock);
- mutex_init(&dev_priv->pc8.lock);
- dev_priv->pc8.requirements_met = false;
- dev_priv->pc8.gpu_idle = false;
- dev_priv->pc8.irqs_disabled = false;
- dev_priv->pc8.enabled = false;
- dev_priv->pc8.disable_count = 2; /* requirements_met + gpu_idle */
- INIT_DELAYED_WORK(&dev_priv->pc8.enable_work, hsw_enable_pc8_work);
+ intel_pm_setup(dev);
intel_display_crc_init(dev);
@@ -1603,7 +1604,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
}
intel_irq_init(dev);
- intel_pm_init(dev);
intel_uncore_sanitize(dev);
/* Try to make sure MCHBAR is enabled before poking at it */
@@ -1848,8 +1848,10 @@ void i915_driver_lastclose(struct drm_device * dev)
void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
{
+ mutex_lock(&dev->struct_mutex);
i915_gem_context_close(dev, file_priv);
i915_gem_release(dev, file_priv);
+ mutex_unlock(&dev->struct_mutex);
}
void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 989be12cdd6e..5b7b7e06cb3a 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -534,8 +534,10 @@ static int i915_drm_freeze(struct drm_device *dev)
* Disable CRTCs directly since we want to preserve sw state
* for _thaw.
*/
+ mutex_lock(&dev->mode_config.mutex);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
dev_priv->display.crtc_disable(crtc);
+ mutex_unlock(&dev->mode_config.mutex);
intel_modeset_suspend_hw(dev);
}
@@ -649,6 +651,7 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
intel_modeset_init_hw(dev);
drm_modeset_lock_all(dev);
+ drm_mode_config_reset(dev);
intel_modeset_setup_hw_state(dev, true);
drm_modeset_unlock_all(dev);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ccdbecca070d..90fcccba17b0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1755,8 +1755,13 @@ struct drm_i915_file_private {
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
#define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0xFF00) == 0x0C00)
-#define IS_ULT(dev) (IS_HASWELL(dev) && \
+#define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
+ (((dev)->pdev->device & 0xf) == 0x2 || \
+ ((dev)->pdev->device & 0xf) == 0x6 || \
+ ((dev)->pdev->device & 0xf) == 0xe))
+#define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0xFF00) == 0x0A00)
+#define IS_ULT(dev) (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
#define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0x00F0) == 0x0020)
#define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
@@ -1901,9 +1906,7 @@ void i915_queue_hangcheck(struct drm_device *dev);
void i915_handle_error(struct drm_device *dev, bool wedged);
extern void intel_irq_init(struct drm_device *dev);
-extern void intel_pm_init(struct drm_device *dev);
extern void intel_hpd_init(struct drm_device *dev);
-extern void intel_pm_init(struct drm_device *dev);
extern void intel_uncore_sanitize(struct drm_device *dev);
extern void intel_uncore_early_sanitize(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 12bbd5eac70d..76d3d1ab73c6 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2343,15 +2343,24 @@ static void i915_gem_free_request(struct drm_i915_gem_request *request)
kfree(request);
}
-static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv,
- struct intel_ring_buffer *ring)
+static void i915_gem_reset_ring_status(struct drm_i915_private *dev_priv,
+ struct intel_ring_buffer *ring)
{
- u32 completed_seqno;
- u32 acthd;
+ u32 completed_seqno = ring->get_seqno(ring, false);
+ u32 acthd = intel_ring_get_active_head(ring);
+ struct drm_i915_gem_request *request;
+
+ list_for_each_entry(request, &ring->request_list, list) {
+ if (i915_seqno_passed(completed_seqno, request->seqno))
+ continue;
- acthd = intel_ring_get_active_head(ring);
- completed_seqno = ring->get_seqno(ring, false);
+ i915_set_reset_status(ring, request, acthd);
+ }
+}
+static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv,
+ struct intel_ring_buffer *ring)
+{
while (!list_empty(&ring->request_list)) {
struct drm_i915_gem_request *request;
@@ -2359,9 +2368,6 @@ static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv,
struct drm_i915_gem_request,
list);
- if (request->seqno > completed_seqno)
- i915_set_reset_status(ring, request, acthd);
-
i915_gem_free_request(request);
}
@@ -2403,8 +2409,16 @@ void i915_gem_reset(struct drm_device *dev)
struct intel_ring_buffer *ring;
int i;
+ /*
+ * Before we free the objects from the requests, we need to inspect
+ * them for finding the guilty party. As the requests only borrow
+ * their reference to the objects, the inspection must be done first.
+ */
+ for_each_ring(ring, dev_priv, i)
+ i915_gem_reset_ring_status(dev_priv, ring);
+
for_each_ring(ring, dev_priv, i)
- i915_gem_reset_ring_lists(dev_priv, ring);
+ i915_gem_reset_ring_cleanup(dev_priv, ring);
i915_gem_cleanup_ringbuffer(dev);
@@ -4442,10 +4456,9 @@ i915_gem_init_hw(struct drm_device *dev)
if (dev_priv->ellc_size)
I915_WRITE(HSW_IDICR, I915_READ(HSW_IDICR) | IDIHASHMSK(0xf));
- if (IS_HSW_GT3(dev))
- I915_WRITE(MI_PREDICATE_RESULT_2, LOWER_SLICE_ENABLED);
- else
- I915_WRITE(MI_PREDICATE_RESULT_2, LOWER_SLICE_DISABLED);
+ if (IS_HASWELL(dev))
+ I915_WRITE(MI_PREDICATE_RESULT_2, IS_HSW_GT3(dev) ?
+ LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED);
if (HAS_PCH_NOP(dev)) {
u32 temp = I915_READ(GEN7_MSG_CTL);
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 72a3df32292f..b0f42b9ca037 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -347,10 +347,8 @@ void i915_gem_context_close(struct drm_device *dev, struct drm_file *file)
{
struct drm_i915_file_private *file_priv = file->driver_priv;
- mutex_lock(&dev->struct_mutex);
idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL);
idr_destroy(&file_priv->context_idr);
- mutex_unlock(&dev->struct_mutex);
}
static struct i915_hw_context *
@@ -423,11 +421,21 @@ static int do_switch(struct i915_hw_context *to)
if (ret)
return ret;
- /* Clear this page out of any CPU caches for coherent swap-in/out. Note
+ /*
+ * Pin can switch back to the default context if we end up calling into
+ * evict_everything - as a last ditch gtt defrag effort that also
+ * switches to the default context. Hence we need to reload from here.
+ */
+ from = ring->last_context;
+
+ /*
+ * Clear this page out of any CPU caches for coherent swap-in/out. Note
* that thanks to write = false in this call and us not setting any gpu
* write domains when putting a context object onto the active list
* (when switching away from it), this won't block.
- * XXX: We need a real interface to do this instead of trickery. */
+ *
+ * XXX: We need a real interface to do this instead of trickery.
+ */
ret = i915_gem_object_set_to_gtt_domain(to->obj, false);
if (ret) {
i915_gem_object_unpin(to->obj);
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 7d5752fda5f1..9bb533e0d762 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -125,13 +125,15 @@ static void *i915_gem_dmabuf_vmap(struct dma_buf *dma_buf)
ret = i915_gem_object_get_pages(obj);
if (ret)
- goto error;
+ goto err;
+
+ i915_gem_object_pin_pages(obj);
ret = -ENOMEM;
pages = drm_malloc_ab(obj->base.size >> PAGE_SHIFT, sizeof(*pages));
if (pages == NULL)
- goto error;
+ goto err_unpin;
i = 0;
for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0)
@@ -141,15 +143,16 @@ static void *i915_gem_dmabuf_vmap(struct dma_buf *dma_buf)
drm_free_large(pages);
if (!obj->dma_buf_vmapping)
- goto error;
+ goto err_unpin;
obj->vmapping_count = 1;
- i915_gem_object_pin_pages(obj);
out_unlock:
mutex_unlock(&dev->struct_mutex);
return obj->dma_buf_vmapping;
-error:
+err_unpin:
+ i915_gem_object_unpin_pages(obj);
+err:
mutex_unlock(&dev->struct_mutex);
return ERR_PTR(ret);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index b7376533633d..8f3adc7d0dc8 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -88,6 +88,7 @@ i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm,
} else
drm_mm_init_scan(&vm->mm, min_size, alignment, cache_level);
+search_again:
/* First see if there is a large enough contiguous idle region... */
list_for_each_entry(vma, &vm->inactive_list, mm_list) {
if (mark_free(vma, &unwind_list))
@@ -115,10 +116,17 @@ none:
list_del_init(&vma->exec_list);
}
- /* We expect the caller to unpin, evict all and try again, or give up.
- * So calling i915_gem_evict_vm() is unnecessary.
+ /* Can we unpin some objects such as idle hw contents,
+ * or pending flips?
*/
- return -ENOSPC;
+ ret = nonblocking ? -ENOSPC : i915_gpu_idle(dev);
+ if (ret)
+ return ret;
+
+ /* Only idle the GPU and repeat the search once */
+ i915_gem_retire_requests(dev);
+ nonblocking = true;
+ goto search_again;
found:
/* drm_mm doesn't allow any other other operations while
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 885d595e0e02..a3ba9a8cd687 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -33,6 +33,9 @@
#include "intel_drv.h"
#include <linux/dma_remapping.h>
+#define __EXEC_OBJECT_HAS_PIN (1<<31)
+#define __EXEC_OBJECT_HAS_FENCE (1<<30)
+
struct eb_vmas {
struct list_head vmas;
int and;
@@ -90,7 +93,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
{
struct drm_i915_gem_object *obj;
struct list_head objects;
- int i, ret = 0;
+ int i, ret;
INIT_LIST_HEAD(&objects);
spin_lock(&file->table_lock);
@@ -103,7 +106,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
DRM_DEBUG("Invalid object handle %d at index %d\n",
exec[i].handle, i);
ret = -ENOENT;
- goto out;
+ goto err;
}
if (!list_empty(&obj->obj_exec_link)) {
@@ -111,7 +114,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
DRM_DEBUG("Object %p [handle %d, index %d] appears more than once in object list\n",
obj, exec[i].handle, i);
ret = -EINVAL;
- goto out;
+ goto err;
}
drm_gem_object_reference(&obj->base);
@@ -120,9 +123,13 @@ eb_lookup_vmas(struct eb_vmas *eb,
spin_unlock(&file->table_lock);
i = 0;
- list_for_each_entry(obj, &objects, obj_exec_link) {
+ while (!list_empty(&objects)) {
struct i915_vma *vma;
+ obj = list_first_entry(&objects,
+ struct drm_i915_gem_object,
+ obj_exec_link);
+
/*
* NOTE: We can leak any vmas created here when something fails
* later on. But that's no issue since vma_unbind can deal with
@@ -135,10 +142,12 @@ eb_lookup_vmas(struct eb_vmas *eb,
if (IS_ERR(vma)) {
DRM_DEBUG("Failed to lookup VMA\n");
ret = PTR_ERR(vma);
- goto out;
+ goto err;
}
+ /* Transfer ownership from the objects list to the vmas list. */
list_add_tail(&vma->exec_list, &eb->vmas);
+ list_del_init(&obj->obj_exec_link);
vma->exec_entry = &exec[i];
if (eb->and < 0) {
@@ -152,16 +161,22 @@ eb_lookup_vmas(struct eb_vmas *eb,
++i;
}
+ return 0;
-out:
+
+err:
while (!list_empty(&objects)) {
obj = list_first_entry(&objects,
struct drm_i915_gem_object,
obj_exec_link);
list_del_init(&obj->obj_exec_link);
- if (ret)
- drm_gem_object_unreference(&obj->base);
+ drm_gem_object_unreference(&obj->base);
}
+ /*
+ * Objects already transfered to the vmas list will be unreferenced by
+ * eb_destroy.
+ */
+
return ret;
}
@@ -187,7 +202,28 @@ static struct i915_vma *eb_get_vma(struct eb_vmas *eb, unsigned long handle)
}
}
-static void eb_destroy(struct eb_vmas *eb) {
+static void
+i915_gem_execbuffer_unreserve_vma(struct i915_vma *vma)
+{
+ struct drm_i915_gem_exec_object2 *entry;
+ struct drm_i915_gem_object *obj = vma->obj;
+
+ if (!drm_mm_node_allocated(&vma->node))
+ return;
+
+ entry = vma->exec_entry;
+
+ if (entry->flags & __EXEC_OBJECT_HAS_FENCE)
+ i915_gem_object_unpin_fence(obj);
+
+ if (entry->flags & __EXEC_OBJECT_HAS_PIN)
+ i915_gem_object_unpin(obj);
+
+ entry->flags &= ~(__EXEC_OBJECT_HAS_FENCE | __EXEC_OBJECT_HAS_PIN);
+}
+
+static void eb_destroy(struct eb_vmas *eb)
+{
while (!list_empty(&eb->vmas)) {
struct i915_vma *vma;
@@ -195,6 +231,7 @@ static void eb_destroy(struct eb_vmas *eb) {
struct i915_vma,
exec_list);
list_del_init(&vma->exec_list);
+ i915_gem_execbuffer_unreserve_vma(vma);
drm_gem_object_unreference(&vma->obj->base);
}
kfree(eb);
@@ -478,9 +515,6 @@ i915_gem_execbuffer_relocate(struct eb_vmas *eb,
return ret;
}
-#define __EXEC_OBJECT_HAS_PIN (1<<31)
-#define __EXEC_OBJECT_HAS_FENCE (1<<30)
-
static int
need_reloc_mappable(struct i915_vma *vma)
{
@@ -552,26 +586,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
return 0;
}
-static void
-i915_gem_execbuffer_unreserve_vma(struct i915_vma *vma)
-{
- struct drm_i915_gem_exec_object2 *entry;
- struct drm_i915_gem_object *obj = vma->obj;
-
- if (!drm_mm_node_allocated(&vma->node))
- return;
-
- entry = vma->exec_entry;
-
- if (entry->flags & __EXEC_OBJECT_HAS_FENCE)
- i915_gem_object_unpin_fence(obj);
-
- if (entry->flags & __EXEC_OBJECT_HAS_PIN)
- i915_gem_object_unpin(obj);
-
- entry->flags &= ~(__EXEC_OBJECT_HAS_FENCE | __EXEC_OBJECT_HAS_PIN);
-}
-
static int
i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
struct list_head *vmas,
@@ -670,13 +684,14 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
goto err;
}
-err: /* Decrement pin count for bound objects */
- list_for_each_entry(vma, vmas, exec_list)
- i915_gem_execbuffer_unreserve_vma(vma);
-
+err:
if (ret != -ENOSPC || retry++)
return ret;
+ /* Decrement pin count for bound objects */
+ list_for_each_entry(vma, vmas, exec_list)
+ i915_gem_execbuffer_unreserve_vma(vma);
+
ret = i915_gem_evict_vm(vm, true);
if (ret)
return ret;
@@ -708,6 +723,7 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
while (!list_empty(&eb->vmas)) {
vma = list_first_entry(&eb->vmas, struct i915_vma, exec_list);
list_del_init(&vma->exec_list);
+ i915_gem_execbuffer_unreserve_vma(vma);
drm_gem_object_unreference(&vma->obj->base);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 3620a1b0a73c..d3c3b5b15824 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -57,7 +57,9 @@ typedef gen8_gtt_pte_t gen8_ppgtt_pde_t;
#define HSW_WB_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x2)
#define HSW_WB_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x3)
#define HSW_WB_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0xb)
+#define HSW_WB_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x8)
#define HSW_WT_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x6)
+#define HSW_WT_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x7)
#define GEN8_PTES_PER_PAGE (PAGE_SIZE / sizeof(gen8_gtt_pte_t))
#define GEN8_PDES_PER_PAGE (PAGE_SIZE / sizeof(gen8_ppgtt_pde_t))
@@ -185,10 +187,10 @@ static gen6_gtt_pte_t iris_pte_encode(dma_addr_t addr,
case I915_CACHE_NONE:
break;
case I915_CACHE_WT:
- pte |= HSW_WT_ELLC_LLC_AGE0;
+ pte |= HSW_WT_ELLC_LLC_AGE3;
break;
default:
- pte |= HSW_WB_ELLC_LLC_AGE0;
+ pte |= HSW_WB_ELLC_LLC_AGE3;
break;
}
@@ -335,8 +337,8 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm)
kfree(ppgtt->gen8_pt_dma_addr[i]);
}
- __free_pages(ppgtt->gen8_pt_pages, ppgtt->num_pt_pages << PAGE_SHIFT);
- __free_pages(ppgtt->pd_pages, ppgtt->num_pd_pages << PAGE_SHIFT);
+ __free_pages(ppgtt->gen8_pt_pages, get_order(ppgtt->num_pt_pages << PAGE_SHIFT));
+ __free_pages(ppgtt->pd_pages, get_order(ppgtt->num_pd_pages << PAGE_SHIFT));
}
/**
@@ -904,14 +906,12 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm,
WARN_ON(readq(&gtt_entries[i-1])
!= gen8_pte_encode(addr, level, true));
-#if 0 /* TODO: Still needed on GEN8? */
/* This next bit makes the above posting read even more important. We
* want to flush the TLBs only after we're certain all the PTE updates
* have finished.
*/
I915_WRITE(GFX_FLSH_CNTL_GEN6, GFX_FLSH_CNTL_EN);
POSTING_READ(GFX_FLSH_CNTL_GEN6);
-#endif
}
/*
@@ -1239,6 +1239,11 @@ static inline unsigned int gen8_get_total_gtt_size(u16 bdw_gmch_ctl)
bdw_gmch_ctl &= BDW_GMCH_GGMS_MASK;
if (bdw_gmch_ctl)
bdw_gmch_ctl = 1 << bdw_gmch_ctl;
+ if (bdw_gmch_ctl > 4) {
+ WARN_ON(!i915_preliminary_hw_support);
+ return 4<<20;
+ }
+
return bdw_gmch_ctl << 20;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f9eafb6ed523..ee2742122a02 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -235,6 +235,7 @@
*/
#define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*x-1)
#define MI_STORE_REGISTER_MEM(x) MI_INSTR(0x24, 2*x-1)
+#define MI_SRM_LRM_GLOBAL_GTT (1<<22)
#define MI_FLUSH_DW MI_INSTR(0x26, 1) /* for GEN6 */
#define MI_FLUSH_DW_STORE_INDEX (1<<21)
#define MI_INVALIDATE_TLB (1<<18)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 330077bcd0bd..526c8ded16b0 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -173,7 +173,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port)
ddi_translations = ddi_translations_dp;
break;
case PORT_D:
- if (intel_dpd_is_edp(dev))
+ if (intel_dp_is_edp(dev, PORT_D))
ddi_translations = ddi_translations_edp;
else
ddi_translations = ddi_translations_dp;
@@ -1158,9 +1158,10 @@ static void intel_ddi_post_disable(struct intel_encoder *intel_encoder)
if (wait)
intel_wait_ddi_buf_idle(dev_priv, port);
- if (type == INTEL_OUTPUT_EDP) {
+ if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
ironlake_edp_panel_vdd_on(intel_dp);
+ intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
ironlake_edp_panel_off(intel_dp);
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 7ec8b488bb1d..769b864465a9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5815,7 +5815,7 @@ static void intel_set_pipe_csc(struct drm_crtc *crtc)
uint16_t postoff = 0;
if (intel_crtc->config.limited_color_range)
- postoff = (16 * (1 << 13) / 255) & 0x1fff;
+ postoff = (16 * (1 << 12) / 255) & 0x1fff;
I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff);
I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff);
@@ -6303,7 +6303,7 @@ static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv)
uint32_t val;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
- WARN(crtc->base.enabled, "CRTC for pipe %c enabled\n",
+ WARN(crtc->active, "CRTC for pipe %c enabled\n",
pipe_name(crtc->pipe));
WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n");
@@ -6402,7 +6402,7 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
/* Make sure we're not on PC8 state before disabling PC8, otherwise
* we'll hang the machine! */
- dev_priv->uncore.funcs.force_wake_get(dev_priv);
+ gen6_gt_force_wake_get(dev_priv);
if (val & LCPLL_POWER_DOWN_ALLOW) {
val &= ~LCPLL_POWER_DOWN_ALLOW;
@@ -6436,7 +6436,7 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
DRM_ERROR("Switching back to LCPLL failed\n");
}
- dev_priv->uncore.funcs.force_wake_put(dev_priv);
+ gen6_gt_force_wake_put(dev_priv);
}
void hsw_enable_pc8_work(struct work_struct *__work)
@@ -8354,7 +8354,8 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE |
DERRMR_PIPEB_PRI_FLIP_DONE |
DERRMR_PIPEC_PRI_FLIP_DONE));
- intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1));
+ intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) |
+ MI_SRM_LRM_GLOBAL_GTT);
intel_ring_emit(ring, DERRMR);
intel_ring_emit(ring, ring->scratch.gtt_offset + 256);
}
@@ -9134,7 +9135,7 @@ intel_pipe_config_compare(struct drm_device *dev,
if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5)
PIPE_CONF_CHECK_I(pipe_bpp);
- if (!IS_HASWELL(dev)) {
+ if (!HAS_DDI(dev)) {
PIPE_CONF_CHECK_CLOCK_FUZZY(adjusted_mode.crtc_clock);
PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock);
}
@@ -10049,7 +10050,7 @@ static void intel_setup_outputs(struct drm_device *dev)
intel_ddi_init(dev, PORT_D);
} else if (HAS_PCH_SPLIT(dev)) {
int found;
- dpd_is_edp = intel_dpd_is_edp(dev);
+ dpd_is_edp = intel_dp_is_edp(dev, PORT_D);
if (has_edp_a(dev))
intel_dp_init(dev, DP_A, PORT_A);
@@ -10086,8 +10087,7 @@ static void intel_setup_outputs(struct drm_device *dev)
intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC,
PORT_C);
if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED)
- intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C,
- PORT_C);
+ intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C);
}
intel_dsi_init(dev);
@@ -10541,11 +10541,20 @@ static struct intel_quirk intel_quirks[] = {
/* Sony Vaio Y cannot use SSC on LVDS */
{ 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
- /*
- * All GM45 Acer (and its brands eMachines and Packard Bell) laptops
- * seem to use inverted backlight PWM.
- */
- { 0x2a42, 0x1025, PCI_ANY_ID, quirk_invert_brightness },
+ /* Acer Aspire 5734Z must invert backlight brightness */
+ { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
+
+ /* Acer/eMachines G725 */
+ { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
+
+ /* Acer/eMachines e725 */
+ { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
+
+ /* Acer/Packard Bell NCL20 */
+ { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
+
+ /* Acer Aspire 4736Z */
+ { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
/* Dell XPS13 HD Sandy Bridge */
{ 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
@@ -11036,8 +11045,6 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
}
intel_modeset_check_state(dev);
-
- drm_mode_config_reset(dev);
}
void intel_modeset_gem_init(struct drm_device *dev)
@@ -11046,7 +11053,10 @@ void intel_modeset_gem_init(struct drm_device *dev)
intel_setup_overlay(dev);
+ drm_modeset_lock_all(dev);
+ drm_mode_config_reset(dev);
intel_modeset_setup_hw_state(dev, false);
+ drm_modeset_unlock_all(dev);
}
void intel_modeset_cleanup(struct drm_device *dev)
@@ -11125,14 +11135,15 @@ void intel_connector_attach_encoder(struct intel_connector *connector,
int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
u16 gmch_ctrl;
- pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &gmch_ctrl);
+ pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl);
if (state)
gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE;
else
gmch_ctrl |= INTEL_GMCH_VGA_DISABLE;
- pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl);
+ pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl);
return 0;
}
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 0b2e842fef01..30c627c7b7ba 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3326,11 +3326,19 @@ intel_trans_dp_port_sel(struct drm_crtc *crtc)
}
/* check the VBT to see whether the eDP is on DP-D port */
-bool intel_dpd_is_edp(struct drm_device *dev)
+bool intel_dp_is_edp(struct drm_device *dev, enum port port)
{
struct drm_i915_private *dev_priv = dev->dev_private;
union child_device_config *p_child;
int i;
+ static const short port_mapping[] = {
+ [PORT_B] = PORT_IDPB,
+ [PORT_C] = PORT_IDPC,
+ [PORT_D] = PORT_IDPD,
+ };
+
+ if (port == PORT_A)
+ return true;
if (!dev_priv->vbt.child_dev_num)
return false;
@@ -3338,7 +3346,7 @@ bool intel_dpd_is_edp(struct drm_device *dev)
for (i = 0; i < dev_priv->vbt.child_dev_num; i++) {
p_child = dev_priv->vbt.child_dev + i;
- if (p_child->common.dvo_port == PORT_IDPD &&
+ if (p_child->common.dvo_port == port_mapping[port] &&
(p_child->common.device_type & DEVICE_TYPE_eDP_BITS) ==
(DEVICE_TYPE_eDP & DEVICE_TYPE_eDP_BITS))
return true;
@@ -3616,26 +3624,10 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
intel_dp->DP = I915_READ(intel_dp->output_reg);
intel_dp->attached_connector = intel_connector;
- type = DRM_MODE_CONNECTOR_DisplayPort;
- /*
- * FIXME : We need to initialize built-in panels before external panels.
- * For X0, DP_C is fixed as eDP. Revisit this as part of VLV eDP cleanup
- */
- switch (port) {
- case PORT_A:
+ if (intel_dp_is_edp(dev, port))
type = DRM_MODE_CONNECTOR_eDP;
- break;
- case PORT_C:
- if (IS_VALLEYVIEW(dev))
- type = DRM_MODE_CONNECTOR_eDP;
- break;
- case PORT_D:
- if (HAS_PCH_SPLIT(dev) && intel_dpd_is_edp(dev))
- type = DRM_MODE_CONNECTOR_eDP;
- break;
- default: /* silence GCC warning */
- break;
- }
+ else
+ type = DRM_MODE_CONNECTOR_DisplayPort;
/*
* For eDP we always set the encoder type to INTEL_OUTPUT_EDP, but
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 1e49aa8f5377..79f91f26e288 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -708,7 +708,7 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder);
void intel_dp_check_link_status(struct intel_dp *intel_dp);
bool intel_dp_compute_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config);
-bool intel_dpd_is_edp(struct drm_device *dev);
+bool intel_dp_is_edp(struct drm_device *dev, enum port port);
void ironlake_edp_backlight_on(struct intel_dp *intel_dp);
void ironlake_edp_backlight_off(struct intel_dp *intel_dp);
void ironlake_edp_panel_on(struct intel_dp *intel_dp);
@@ -821,6 +821,7 @@ void intel_update_sprite_watermarks(struct drm_plane *plane,
uint32_t sprite_width, int pixel_size,
bool enabled, bool scaled);
void intel_init_pm(struct drm_device *dev);
+void intel_pm_setup(struct drm_device *dev);
bool intel_fbc_enabled(struct drm_device *dev);
void intel_update_fbc(struct drm_device *dev);
void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index f161ac02c4f6..e6f782d1c669 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -451,7 +451,9 @@ static u32 intel_panel_get_backlight(struct drm_device *dev,
spin_lock_irqsave(&dev_priv->backlight.lock, flags);
- if (HAS_PCH_SPLIT(dev)) {
+ if (IS_BROADWELL(dev)) {
+ val = I915_READ(BLC_PWM_PCH_CTL2) & BACKLIGHT_DUTY_CYCLE_MASK;
+ } else if (HAS_PCH_SPLIT(dev)) {
val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
} else {
if (IS_VALLEYVIEW(dev))
@@ -479,6 +481,13 @@ static u32 intel_panel_get_backlight(struct drm_device *dev,
return val;
}
+static void intel_bdw_panel_set_backlight(struct drm_device *dev, u32 level)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 val = I915_READ(BLC_PWM_PCH_CTL2) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+ I915_WRITE(BLC_PWM_PCH_CTL2, val | level);
+}
+
static void intel_pch_panel_set_backlight(struct drm_device *dev, u32 level)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -496,7 +505,9 @@ static void intel_panel_actually_set_backlight(struct drm_device *dev,
DRM_DEBUG_DRIVER("set backlight PWM = %d\n", level);
level = intel_panel_compute_brightness(dev, pipe, level);
- if (HAS_PCH_SPLIT(dev))
+ if (IS_BROADWELL(dev))
+ return intel_bdw_panel_set_backlight(dev, level);
+ else if (HAS_PCH_SPLIT(dev))
return intel_pch_panel_set_backlight(dev, level);
if (is_backlight_combination_mode(dev)) {
@@ -666,7 +677,16 @@ void intel_panel_enable_backlight(struct intel_connector *connector)
POSTING_READ(reg);
I915_WRITE(reg, tmp | BLM_PWM_ENABLE);
- if (HAS_PCH_SPLIT(dev) &&
+ if (IS_BROADWELL(dev)) {
+ /*
+ * Broadwell requires PCH override to drive the PCH
+ * backlight pin. The above will configure the CPU
+ * backlight pin, which we don't plan to use.
+ */
+ tmp = I915_READ(BLC_PWM_PCH_CTL1);
+ tmp |= BLM_PCH_OVERRIDE_ENABLE | BLM_PCH_PWM_ENABLE;
+ I915_WRITE(BLC_PWM_PCH_CTL1, tmp);
+ } else if (HAS_PCH_SPLIT(dev) &&
!(dev_priv->quirks & QUIRK_NO_PCH_PWM_ENABLE)) {
tmp = I915_READ(BLC_PWM_PCH_CTL1);
tmp |= BLM_PCH_PWM_ENABLE;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index caf2ee4e5441..26c29c173221 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1180,7 +1180,7 @@ static bool g4x_compute_wm0(struct drm_device *dev,
adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
clock = adjusted_mode->crtc_clock;
- htotal = adjusted_mode->htotal;
+ htotal = adjusted_mode->crtc_htotal;
hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
pixel_size = crtc->fb->bits_per_pixel / 8;
@@ -1267,7 +1267,7 @@ static bool g4x_compute_srwm(struct drm_device *dev,
crtc = intel_get_crtc_for_plane(dev, plane);
adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
clock = adjusted_mode->crtc_clock;
- htotal = adjusted_mode->htotal;
+ htotal = adjusted_mode->crtc_htotal;
hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
pixel_size = crtc->fb->bits_per_pixel / 8;
@@ -1498,7 +1498,7 @@ static void i965_update_wm(struct drm_crtc *unused_crtc)
const struct drm_display_mode *adjusted_mode =
&to_intel_crtc(crtc)->config.adjusted_mode;
int clock = adjusted_mode->crtc_clock;
- int htotal = adjusted_mode->htotal;
+ int htotal = adjusted_mode->crtc_htotal;
int hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
int pixel_size = crtc->fb->bits_per_pixel / 8;
unsigned long line_time_us;
@@ -1624,7 +1624,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc)
const struct drm_display_mode *adjusted_mode =
&to_intel_crtc(enabled)->config.adjusted_mode;
int clock = adjusted_mode->crtc_clock;
- int htotal = adjusted_mode->htotal;
+ int htotal = adjusted_mode->crtc_htotal;
int hdisplay = to_intel_crtc(enabled)->config.pipe_src_w;
int pixel_size = enabled->fb->bits_per_pixel / 8;
unsigned long line_time_us;
@@ -1776,7 +1776,7 @@ static bool ironlake_compute_srwm(struct drm_device *dev, int level, int plane,
crtc = intel_get_crtc_for_plane(dev, plane);
adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
clock = adjusted_mode->crtc_clock;
- htotal = adjusted_mode->htotal;
+ htotal = adjusted_mode->crtc_htotal;
hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
pixel_size = crtc->fb->bits_per_pixel / 8;
@@ -2469,8 +2469,9 @@ hsw_compute_linetime_wm(struct drm_device *dev, struct drm_crtc *crtc)
/* The WM are computed with base on how long it takes to fill a single
* row at the given clock rate, multiplied by 8.
* */
- linetime = DIV_ROUND_CLOSEST(mode->htotal * 1000 * 8, mode->clock);
- ips_linetime = DIV_ROUND_CLOSEST(mode->htotal * 1000 * 8,
+ linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
+ mode->crtc_clock);
+ ips_linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
intel_ddi_get_cdclk_freq(dev_priv));
return PIPE_WM_LINETIME_IPS_LINETIME(ips_linetime) |
@@ -5684,8 +5685,11 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
{
struct drm_i915_private *dev_priv = dev->dev_private;
bool is_enabled, enable_requested;
+ unsigned long irqflags;
uint32_t tmp;
+ WARN_ON(dev_priv->pc8.enabled);
+
tmp = I915_READ(HSW_PWR_WELL_DRIVER);
is_enabled = tmp & HSW_PWR_WELL_STATE_ENABLED;
enable_requested = tmp & HSW_PWR_WELL_ENABLE_REQUEST;
@@ -5701,9 +5705,24 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
HSW_PWR_WELL_STATE_ENABLED), 20))
DRM_ERROR("Timeout enabling power well\n");
}
+
+ if (IS_BROADWELL(dev)) {
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_B),
+ dev_priv->de_irq_mask[PIPE_B]);
+ I915_WRITE(GEN8_DE_PIPE_IER(PIPE_B),
+ ~dev_priv->de_irq_mask[PIPE_B] |
+ GEN8_PIPE_VBLANK);
+ I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_C),
+ dev_priv->de_irq_mask[PIPE_C]);
+ I915_WRITE(GEN8_DE_PIPE_IER(PIPE_C),
+ ~dev_priv->de_irq_mask[PIPE_C] |
+ GEN8_PIPE_VBLANK);
+ POSTING_READ(GEN8_DE_PIPE_IER(PIPE_C));
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ }
} else {
if (enable_requested) {
- unsigned long irqflags;
enum pipe p;
I915_WRITE(HSW_PWR_WELL_DRIVER, 0);
@@ -5730,16 +5749,24 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
static void __intel_power_well_get(struct drm_device *dev,
struct i915_power_well *power_well)
{
- if (!power_well->count++)
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (!power_well->count++) {
+ hsw_disable_package_c8(dev_priv);
__intel_set_power_well(dev, true);
+ }
}
static void __intel_power_well_put(struct drm_device *dev,
struct i915_power_well *power_well)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
WARN_ON(!power_well->count);
- if (!--power_well->count && i915_disable_power_well)
+ if (!--power_well->count && i915_disable_power_well) {
__intel_set_power_well(dev, false);
+ hsw_enable_package_c8(dev_priv);
+ }
}
void intel_display_power_get(struct drm_device *dev,
@@ -6129,10 +6156,19 @@ int vlv_freq_opcode(int ddr_freq, int val)
return val;
}
-void intel_pm_init(struct drm_device *dev)
+void intel_pm_setup(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ mutex_init(&dev_priv->rps.hw_lock);
+
+ mutex_init(&dev_priv->pc8.lock);
+ dev_priv->pc8.requirements_met = false;
+ dev_priv->pc8.gpu_idle = false;
+ dev_priv->pc8.irqs_disabled = false;
+ dev_priv->pc8.enabled = false;
+ dev_priv->pc8.disable_count = 2; /* requirements_met + gpu_idle */
+ INIT_DELAYED_WORK(&dev_priv->pc8.enable_work, hsw_enable_pc8_work);
INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work,
intel_gen6_powersave_work);
}
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b620337e6d67..c2f09d456300 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -965,6 +965,7 @@ void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
} else if (IS_GEN6(ring->dev)) {
mmio = RING_HWS_PGA_GEN6(ring->mmio_base);
} else {
+ /* XXX: gen8 returns to sanity */
mmio = RING_HWS_PGA(ring->mmio_base);
}
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 0b02078a0b84..25cbe073c388 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -784,6 +784,7 @@ static int gen6_do_reset(struct drm_device *dev)
int intel_gpu_reset(struct drm_device *dev)
{
switch (INTEL_INFO(dev)->gen) {
+ case 8:
case 7:
case 6: return gen6_do_reset(dev);
case 5: return ironlake_do_reset(dev);
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index edcf801613e6..b3fa1ba191b7 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -59,6 +59,7 @@ nouveau-y += core/subdev/clock/nv40.o
nouveau-y += core/subdev/clock/nv50.o
nouveau-y += core/subdev/clock/nv84.o
nouveau-y += core/subdev/clock/nva3.o
+nouveau-y += core/subdev/clock/nvaa.o
nouveau-y += core/subdev/clock/nvc0.o
nouveau-y += core/subdev/clock/nve0.o
nouveau-y += core/subdev/clock/pllnv04.o
diff --git a/drivers/gpu/drm/nouveau/core/core/subdev.c b/drivers/gpu/drm/nouveau/core/core/subdev.c
index 48f06378d3f9..2ea5568b6cf5 100644
--- a/drivers/gpu/drm/nouveau/core/core/subdev.c
+++ b/drivers/gpu/drm/nouveau/core/core/subdev.c
@@ -104,11 +104,8 @@ nouveau_subdev_create_(struct nouveau_object *parent,
if (parent) {
struct nouveau_device *device = nv_device(parent);
- int subidx = nv_hclass(subdev) & 0xff;
-
subdev->debug = nouveau_dbgopt(device->dbgopt, subname);
subdev->mmio = nv_subdev(device)->mmio;
- device->subdev[subidx] = *pobject;
}
return 0;
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/base.c b/drivers/gpu/drm/nouveau/core/engine/device/base.c
index 9135b25a29d0..dd01c6c435d6 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/base.c
@@ -268,6 +268,8 @@ nouveau_devobj_ctor(struct nouveau_object *parent,
if (ret)
return ret;
+ device->subdev[i] = devobj->subdev[i];
+
/* note: can't init *any* subdevs until devinit has been run
* due to not knowing exactly what the vbios init tables will
* mess with. devinit also can't be run until all of its
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nv50.c b/drivers/gpu/drm/nouveau/core/engine/device/nv50.c
index db139827047c..db3fc7be856a 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/nv50.c
@@ -283,7 +283,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nv94_i2c_oclass;
- device->oclass[NVDEV_SUBDEV_CLOCK ] = nv84_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_CLOCK ] = nvaa_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv84_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
@@ -311,7 +311,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nv94_i2c_oclass;
- device->oclass[NVDEV_SUBDEV_CLOCK ] = nv84_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_CLOCK ] = nvaa_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv84_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
index 8d06eef2b9ee..dbc5e33de94f 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
@@ -161,7 +161,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nvc0_devinit_oclass;
- device->oclass[NVDEV_SUBDEV_MC ] = nvc3_mc_oclass;
+ device->oclass[NVDEV_SUBDEV_MC ] = nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvc0_fb_oclass;
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
index 5f555788121c..e6352bd5b4ff 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
@@ -33,6 +33,7 @@
#include <engine/dmaobj.h>
#include <engine/fifo.h>
+#include "nv04.h"
#include "nv50.h"
/*******************************************************************************
@@ -460,6 +461,8 @@ nv50_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
nv_subdev(priv)->intr = nv04_fifo_intr;
nv_engine(priv)->cclass = &nv50_fifo_cclass;
nv_engine(priv)->sclass = nv50_fifo_sclass;
+ priv->base.pause = nv04_fifo_pause;
+ priv->base.start = nv04_fifo_start;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
index 0908dc834c84..fe0f41e65d9b 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
@@ -35,6 +35,7 @@
#include <engine/dmaobj.h>
#include <engine/fifo.h>
+#include "nv04.h"
#include "nv50.h"
/*******************************************************************************
@@ -432,6 +433,8 @@ nv84_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
nv_subdev(priv)->intr = nv04_fifo_intr;
nv_engine(priv)->cclass = &nv84_fifo_cclass;
nv_engine(priv)->sclass = nv84_fifo_sclass;
+ priv->base.pause = nv04_fifo_pause;
+ priv->base.start = nv04_fifo_start;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index 434bb4b0fa2e..5c8a63dc506a 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -334,7 +334,7 @@ nvc0_graph_mthd(struct nvc0_graph_priv *priv, struct nvc0_graph_mthd *mthds)
while ((mthd = &mthds[i++]) && (init = mthd->init)) {
u32 addr = 0x80000000 | mthd->oclass;
for (data = 0; init->count; init++) {
- if (data != init->data) {
+ if (init == mthd->init || data != init->data) {
nv_wr32(priv, 0x40448c, init->data);
data = init->data;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/software/nv50.c b/drivers/gpu/drm/nouveau/core/engine/software/nv50.c
index b574dd4bb828..5ce686ee729e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/software/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/software/nv50.c
@@ -176,7 +176,7 @@ nv50_software_context_ctor(struct nouveau_object *parent,
if (ret)
return ret;
- chan->vblank.nr_event = pdisp->vblank->index_nr;
+ chan->vblank.nr_event = pdisp ? pdisp->vblank->index_nr : 0;
chan->vblank.event = kzalloc(chan->vblank.nr_event *
sizeof(*chan->vblank.event), GFP_KERNEL);
if (!chan->vblank.event)
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
index e2675bc0edba..8f4ced75444a 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
@@ -14,6 +14,9 @@ enum nv_clk_src {
nv_clk_src_hclk,
nv_clk_src_hclkm3,
nv_clk_src_hclkm3d2,
+ nv_clk_src_hclkm2d3, /* NVAA */
+ nv_clk_src_hclkm4, /* NVAA */
+ nv_clk_src_cclk, /* NVAA */
nv_clk_src_host,
@@ -127,6 +130,7 @@ extern struct nouveau_oclass nv04_clock_oclass;
extern struct nouveau_oclass nv40_clock_oclass;
extern struct nouveau_oclass *nv50_clock_oclass;
extern struct nouveau_oclass *nv84_clock_oclass;
+extern struct nouveau_oclass *nvaa_clock_oclass;
extern struct nouveau_oclass nva3_clock_oclass;
extern struct nouveau_oclass nvc0_clock_oclass;
extern struct nouveau_oclass nve0_clock_oclass;
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/fb.h b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
index 8541aa382ff2..d89dbdf39b0d 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
@@ -75,6 +75,11 @@ struct nouveau_fb {
static inline struct nouveau_fb *
nouveau_fb(void *obj)
{
+ /* fbram uses this before device subdev pointer is valid */
+ if (nv_iclass(obj, NV_SUBDEV_CLASS) &&
+ nv_subidx(obj) == NVDEV_SUBDEV_FB)
+ return obj;
+
return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_FB];
}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
index 420908cb82b6..df1b1b423093 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
@@ -365,13 +365,13 @@ static u16
init_script(struct nouveau_bios *bios, int index)
{
struct nvbios_init init = { .bios = bios };
- u16 data;
+ u16 bmp_ver = bmp_version(bios), data;
- if (bmp_version(bios) && bmp_version(bios) < 0x0510) {
- if (index > 1)
+ if (bmp_ver && bmp_ver < 0x0510) {
+ if (index > 1 || bmp_ver < 0x0100)
return 0x0000;
- data = bios->bmp_offset + (bios->version.major < 2 ? 14 : 18);
+ data = bios->bmp_offset + (bmp_ver < 0x0200 ? 14 : 18);
return nv_ro16(bios, data + (index * 2));
}
@@ -1294,7 +1294,11 @@ init_jump(struct nvbios_init *init)
u16 offset = nv_ro16(bios, init->offset + 1);
trace("JUMP\t0x%04x\n", offset);
- init->offset = offset;
+
+ if (init_exec(init))
+ init->offset = offset;
+ else
+ init->offset += 3;
}
/**
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nv04.c
index da50c1b12928..30c1f3a4158e 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/clock/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nv04.c
@@ -69,6 +69,11 @@ nv04_clock_pll_prog(struct nouveau_clock *clk, u32 reg1,
return 0;
}
+static struct nouveau_clocks
+nv04_domain[] = {
+ { nv_clk_src_max }
+};
+
static int
nv04_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
@@ -77,7 +82,7 @@ nv04_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nv04_clock_priv *priv;
int ret;
- ret = nouveau_clock_create(parent, engine, oclass, NULL, &priv);
+ ret = nouveau_clock_create(parent, engine, oclass, nv04_domain, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nvaa.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nvaa.c
new file mode 100644
index 000000000000..7a723b4f564d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nvaa.c
@@ -0,0 +1,445 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include <engine/fifo.h>
+#include <subdev/bios.h>
+#include <subdev/bios/pll.h>
+#include <subdev/timer.h>
+#include <subdev/clock.h>
+
+#include "pll.h"
+
+struct nvaa_clock_priv {
+ struct nouveau_clock base;
+ enum nv_clk_src csrc, ssrc, vsrc;
+ u32 cctrl, sctrl;
+ u32 ccoef, scoef;
+ u32 cpost, spost;
+ u32 vdiv;
+};
+
+static u32
+read_div(struct nouveau_clock *clk)
+{
+ return nv_rd32(clk, 0x004600);
+}
+
+static u32
+read_pll(struct nouveau_clock *clk, u32 base)
+{
+ u32 ctrl = nv_rd32(clk, base + 0);
+ u32 coef = nv_rd32(clk, base + 4);
+ u32 ref = clk->read(clk, nv_clk_src_href);
+ u32 post_div = 0;
+ u32 clock = 0;
+ int N1, M1;
+
+ switch (base){
+ case 0x4020:
+ post_div = 1 << ((nv_rd32(clk, 0x4070) & 0x000f0000) >> 16);
+ break;
+ case 0x4028:
+ post_div = (nv_rd32(clk, 0x4040) & 0x000f0000) >> 16;
+ break;
+ default:
+ break;
+ }
+
+ N1 = (coef & 0x0000ff00) >> 8;
+ M1 = (coef & 0x000000ff);
+ if ((ctrl & 0x80000000) && M1) {
+ clock = ref * N1 / M1;
+ clock = clock / post_div;
+ }
+
+ return clock;
+}
+
+static int
+nvaa_clock_read(struct nouveau_clock *clk, enum nv_clk_src src)
+{
+ struct nvaa_clock_priv *priv = (void *)clk;
+ u32 mast = nv_rd32(clk, 0x00c054);
+ u32 P = 0;
+
+ switch (src) {
+ case nv_clk_src_crystal:
+ return nv_device(priv)->crystal;
+ case nv_clk_src_href:
+ return 100000; /* PCIE reference clock */
+ case nv_clk_src_hclkm4:
+ return clk->read(clk, nv_clk_src_href) * 4;
+ case nv_clk_src_hclkm2d3:
+ return clk->read(clk, nv_clk_src_href) * 2 / 3;
+ case nv_clk_src_host:
+ switch (mast & 0x000c0000) {
+ case 0x00000000: return clk->read(clk, nv_clk_src_hclkm2d3);
+ case 0x00040000: break;
+ case 0x00080000: return clk->read(clk, nv_clk_src_hclkm4);
+ case 0x000c0000: return clk->read(clk, nv_clk_src_cclk);
+ }
+ break;
+ case nv_clk_src_core:
+ P = (nv_rd32(clk, 0x004028) & 0x00070000) >> 16;
+
+ switch (mast & 0x00000003) {
+ case 0x00000000: return clk->read(clk, nv_clk_src_crystal) >> P;
+ case 0x00000001: return 0;
+ case 0x00000002: return clk->read(clk, nv_clk_src_hclkm4) >> P;
+ case 0x00000003: return read_pll(clk, 0x004028) >> P;
+ }
+ break;
+ case nv_clk_src_cclk:
+ if ((mast & 0x03000000) != 0x03000000)
+ return clk->read(clk, nv_clk_src_core);
+
+ if ((mast & 0x00000200) == 0x00000000)
+ return clk->read(clk, nv_clk_src_core);
+
+ switch (mast & 0x00000c00) {
+ case 0x00000000: return clk->read(clk, nv_clk_src_href);
+ case 0x00000400: return clk->read(clk, nv_clk_src_hclkm4);
+ case 0x00000800: return clk->read(clk, nv_clk_src_hclkm2d3);
+ default: return 0;
+ }
+ case nv_clk_src_shader:
+ P = (nv_rd32(clk, 0x004020) & 0x00070000) >> 16;
+ switch (mast & 0x00000030) {
+ case 0x00000000:
+ if (mast & 0x00000040)
+ return clk->read(clk, nv_clk_src_href) >> P;
+ return clk->read(clk, nv_clk_src_crystal) >> P;
+ case 0x00000010: break;
+ case 0x00000020: return read_pll(clk, 0x004028) >> P;
+ case 0x00000030: return read_pll(clk, 0x004020) >> P;
+ }
+ break;
+ case nv_clk_src_mem:
+ return 0;
+ break;
+ case nv_clk_src_vdec:
+ P = (read_div(clk) & 0x00000700) >> 8;
+
+ switch (mast & 0x00400000) {
+ case 0x00400000:
+ return clk->read(clk, nv_clk_src_core) >> P;
+ break;
+ default:
+ return 500000 >> P;
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ nv_debug(priv, "unknown clock source %d 0x%08x\n", src, mast);
+ return 0;
+}
+
+static u32
+calc_pll(struct nvaa_clock_priv *priv, u32 reg,
+ u32 clock, int *N, int *M, int *P)
+{
+ struct nouveau_bios *bios = nouveau_bios(priv);
+ struct nvbios_pll pll;
+ struct nouveau_clock *clk = &priv->base;
+ int ret;
+
+ ret = nvbios_pll_parse(bios, reg, &pll);
+ if (ret)
+ return 0;
+
+ pll.vco2.max_freq = 0;
+ pll.refclk = clk->read(clk, nv_clk_src_href);
+ if (!pll.refclk)
+ return 0;
+
+ return nv04_pll_calc(nv_subdev(priv), &pll, clock, N, M, NULL, NULL, P);
+}
+
+static inline u32
+calc_P(u32 src, u32 target, int *div)
+{
+ u32 clk0 = src, clk1 = src;
+ for (*div = 0; *div <= 7; (*div)++) {
+ if (clk0 <= target) {
+ clk1 = clk0 << (*div ? 1 : 0);
+ break;
+ }
+ clk0 >>= 1;
+ }
+
+ if (target - clk0 <= clk1 - target)
+ return clk0;
+ (*div)--;
+ return clk1;
+}
+
+static int
+nvaa_clock_calc(struct nouveau_clock *clk, struct nouveau_cstate *cstate)
+{
+ struct nvaa_clock_priv *priv = (void *)clk;
+ const int shader = cstate->domain[nv_clk_src_shader];
+ const int core = cstate->domain[nv_clk_src_core];
+ const int vdec = cstate->domain[nv_clk_src_vdec];
+ u32 out = 0, clock = 0;
+ int N, M, P1, P2 = 0;
+ int divs = 0;
+
+ /* cclk: find suitable source, disable PLL if we can */
+ if (core < clk->read(clk, nv_clk_src_hclkm4))
+ out = calc_P(clk->read(clk, nv_clk_src_hclkm4), core, &divs);
+
+ /* Calculate clock * 2, so shader clock can use it too */
+ clock = calc_pll(priv, 0x4028, (core << 1), &N, &M, &P1);
+
+ if (abs(core - out) <=
+ abs(core - (clock >> 1))) {
+ priv->csrc = nv_clk_src_hclkm4;
+ priv->cctrl = divs << 16;
+ } else {
+ /* NVCTRL is actually used _after_ NVPOST, and after what we
+ * call NVPLL. To make matters worse, NVPOST is an integer
+ * divider instead of a right-shift number. */
+ if(P1 > 2) {
+ P2 = P1 - 2;
+ P1 = 2;
+ }
+
+ priv->csrc = nv_clk_src_core;
+ priv->ccoef = (N << 8) | M;
+
+ priv->cctrl = (P2 + 1) << 16;
+ priv->cpost = (1 << P1) << 16;
+ }
+
+ /* sclk: nvpll + divisor, href or spll */
+ out = 0;
+ if (shader == clk->read(clk, nv_clk_src_href)) {
+ priv->ssrc = nv_clk_src_href;
+ } else {
+ clock = calc_pll(priv, 0x4020, shader, &N, &M, &P1);
+ if (priv->csrc == nv_clk_src_core) {
+ out = calc_P((core << 1), shader, &divs);
+ }
+
+ if (abs(shader - out) <=
+ abs(shader - clock) &&
+ (divs + P2) <= 7) {
+ priv->ssrc = nv_clk_src_core;
+ priv->sctrl = (divs + P2) << 16;
+ } else {
+ priv->ssrc = nv_clk_src_shader;
+ priv->scoef = (N << 8) | M;
+ priv->sctrl = P1 << 16;
+ }
+ }
+
+ /* vclk */
+ out = calc_P(core, vdec, &divs);
+ clock = calc_P(500000, vdec, &P1);
+ if(abs(vdec - out) <=
+ abs(vdec - clock)) {
+ priv->vsrc = nv_clk_src_cclk;
+ priv->vdiv = divs << 16;
+ } else {
+ priv->vsrc = nv_clk_src_vdec;
+ priv->vdiv = P1 << 16;
+ }
+
+ /* Print strategy! */
+ nv_debug(priv, "nvpll: %08x %08x %08x\n",
+ priv->ccoef, priv->cpost, priv->cctrl);
+ nv_debug(priv, " spll: %08x %08x %08x\n",
+ priv->scoef, priv->spost, priv->sctrl);
+ nv_debug(priv, " vdiv: %08x\n", priv->vdiv);
+ if (priv->csrc == nv_clk_src_hclkm4)
+ nv_debug(priv, "core: hrefm4\n");
+ else
+ nv_debug(priv, "core: nvpll\n");
+
+ if (priv->ssrc == nv_clk_src_hclkm4)
+ nv_debug(priv, "shader: hrefm4\n");
+ else if (priv->ssrc == nv_clk_src_core)
+ nv_debug(priv, "shader: nvpll\n");
+ else
+ nv_debug(priv, "shader: spll\n");
+
+ if (priv->vsrc == nv_clk_src_hclkm4)
+ nv_debug(priv, "vdec: 500MHz\n");
+ else
+ nv_debug(priv, "vdec: core\n");
+
+ return 0;
+}
+
+static int
+nvaa_clock_prog(struct nouveau_clock *clk)
+{
+ struct nvaa_clock_priv *priv = (void *)clk;
+ struct nouveau_fifo *pfifo = nouveau_fifo(clk);
+ unsigned long flags;
+ u32 pllmask = 0, mast, ptherm_gate;
+ int ret = -EBUSY;
+
+ /* halt and idle execution engines */
+ ptherm_gate = nv_mask(clk, 0x020060, 0x00070000, 0x00000000);
+ nv_mask(clk, 0x002504, 0x00000001, 0x00000001);
+ /* Wait until the interrupt handler is finished */
+ if (!nv_wait(clk, 0x000100, 0xffffffff, 0x00000000))
+ goto resume;
+
+ if (pfifo)
+ pfifo->pause(pfifo, &flags);
+
+ if (!nv_wait(clk, 0x002504, 0x00000010, 0x00000010))
+ goto resume;
+ if (!nv_wait(clk, 0x00251c, 0x0000003f, 0x0000003f))
+ goto resume;
+
+ /* First switch to safe clocks: href */
+ mast = nv_mask(clk, 0xc054, 0x03400e70, 0x03400640);
+ mast &= ~0x00400e73;
+ mast |= 0x03000000;
+
+ switch (priv->csrc) {
+ case nv_clk_src_hclkm4:
+ nv_mask(clk, 0x4028, 0x00070000, priv->cctrl);
+ mast |= 0x00000002;
+ break;
+ case nv_clk_src_core:
+ nv_wr32(clk, 0x402c, priv->ccoef);
+ nv_wr32(clk, 0x4028, 0x80000000 | priv->cctrl);
+ nv_wr32(clk, 0x4040, priv->cpost);
+ pllmask |= (0x3 << 8);
+ mast |= 0x00000003;
+ break;
+ default:
+ nv_warn(priv,"Reclocking failed: unknown core clock\n");
+ goto resume;
+ }
+
+ switch (priv->ssrc) {
+ case nv_clk_src_href:
+ nv_mask(clk, 0x4020, 0x00070000, 0x00000000);
+ /* mast |= 0x00000000; */
+ break;
+ case nv_clk_src_core:
+ nv_mask(clk, 0x4020, 0x00070000, priv->sctrl);
+ mast |= 0x00000020;
+ break;
+ case nv_clk_src_shader:
+ nv_wr32(clk, 0x4024, priv->scoef);
+ nv_wr32(clk, 0x4020, 0x80000000 | priv->sctrl);
+ nv_wr32(clk, 0x4070, priv->spost);
+ pllmask |= (0x3 << 12);
+ mast |= 0x00000030;
+ break;
+ default:
+ nv_warn(priv,"Reclocking failed: unknown sclk clock\n");
+ goto resume;
+ }
+
+ if (!nv_wait(clk, 0x004080, pllmask, pllmask)) {
+ nv_warn(priv,"Reclocking failed: unstable PLLs\n");
+ goto resume;
+ }
+
+ switch (priv->vsrc) {
+ case nv_clk_src_cclk:
+ mast |= 0x00400000;
+ default:
+ nv_wr32(clk, 0x4600, priv->vdiv);
+ }
+
+ nv_wr32(clk, 0xc054, mast);
+ ret = 0;
+
+resume:
+ if (pfifo)
+ pfifo->start(pfifo, &flags);
+
+ nv_mask(clk, 0x002504, 0x00000001, 0x00000000);
+ nv_wr32(clk, 0x020060, ptherm_gate);
+
+ /* Disable some PLLs and dividers when unused */
+ if (priv->csrc != nv_clk_src_core) {
+ nv_wr32(clk, 0x4040, 0x00000000);
+ nv_mask(clk, 0x4028, 0x80000000, 0x00000000);
+ }
+
+ if (priv->ssrc != nv_clk_src_shader) {
+ nv_wr32(clk, 0x4070, 0x00000000);
+ nv_mask(clk, 0x4020, 0x80000000, 0x00000000);
+ }
+
+ return ret;
+}
+
+static void
+nvaa_clock_tidy(struct nouveau_clock *clk)
+{
+}
+
+static struct nouveau_clocks
+nvaa_domains[] = {
+ { nv_clk_src_crystal, 0xff },
+ { nv_clk_src_href , 0xff },
+ { nv_clk_src_core , 0xff, 0, "core", 1000 },
+ { nv_clk_src_shader , 0xff, 0, "shader", 1000 },
+ { nv_clk_src_vdec , 0xff, 0, "vdec", 1000 },
+ { nv_clk_src_max }
+};
+
+static int
+nvaa_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nvaa_clock_priv *priv;
+ int ret;
+
+ ret = nouveau_clock_create(parent, engine, oclass, nvaa_domains, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ priv->base.read = nvaa_clock_read;
+ priv->base.calc = nvaa_clock_calc;
+ priv->base.prog = nvaa_clock_prog;
+ priv->base.tidy = nvaa_clock_tidy;
+ return 0;
+}
+
+struct nouveau_oclass *
+nvaa_clock_oclass = &(struct nouveau_oclass) {
+ .handle = NV_SUBDEV(CLOCK, 0xaa),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nvaa_clock_ctor,
+ .dtor = _nouveau_clock_dtor,
+ .init = _nouveau_clock_init,
+ .fini = _nouveau_clock_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
index 3618ac6b6316..32e7064b819b 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
@@ -58,8 +58,8 @@ struct nouveau_plane {
};
static uint32_t formats[] = {
- DRM_FORMAT_NV12,
DRM_FORMAT_UYVY,
+ DRM_FORMAT_NV12,
};
/* Sine can be approximated with
@@ -99,13 +99,28 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
struct nouveau_bo *cur = nv_plane->cur;
bool flip = nv_plane->flip;
- int format = ALIGN(src_w * 4, 0x100);
int soff = NV_PCRTC0_SIZE * nv_crtc->index;
int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index;
- int ret;
+ int format, ret;
+
+ /* Source parameters given in 16.16 fixed point, ignore fractional. */
+ src_x >>= 16;
+ src_y >>= 16;
+ src_w >>= 16;
+ src_h >>= 16;
+
+ format = ALIGN(src_w * 4, 0x100);
if (format > 0xffff)
- return -EINVAL;
+ return -ERANGE;
+
+ if (dev->chipset >= 0x30) {
+ if (crtc_w < (src_w >> 1) || crtc_h < (src_h >> 1))
+ return -ERANGE;
+ } else {
+ if (crtc_w < (src_w >> 3) || crtc_h < (src_h >> 3))
+ return -ERANGE;
+ }
ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM);
if (ret)
@@ -113,12 +128,6 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
nv_plane->cur = nv_fb->nvbo;
- /* Source parameters given in 16.16 fixed point, ignore fractional. */
- src_x = src_x >> 16;
- src_y = src_y >> 16;
- src_w = src_w >> 16;
- src_h = src_h >> 16;
-
nv_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY);
nv_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0);
@@ -245,14 +254,25 @@ nv10_overlay_init(struct drm_device *device)
{
struct nouveau_device *dev = nouveau_dev(device);
struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL);
+ int num_formats = ARRAY_SIZE(formats);
int ret;
if (!plane)
return;
+ switch (dev->chipset) {
+ case 0x10:
+ case 0x11:
+ case 0x15:
+ case 0x1a:
+ case 0x20:
+ num_formats = 1;
+ break;
+ }
+
ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */,
&nv10_plane_funcs,
- formats, ARRAY_SIZE(formats), false);
+ formats, num_formats, false);
if (ret)
goto err;
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 6828d81ed7b9..900fae01793e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -447,6 +447,8 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
if (ret)
goto done;
+ info->offset = ntfy->node->offset;
+
done:
if (ret)
nouveau_abi16_ntfy_fini(chan, ntfy);
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 95c740454049..ba0183fb84f3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -51,6 +51,7 @@ static struct nouveau_dsm_priv {
bool dsm_detected;
bool optimus_detected;
acpi_handle dhandle;
+ acpi_handle other_handle;
acpi_handle rom_handle;
} nouveau_dsm_priv;
@@ -260,9 +261,10 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev)
if (!dhandle)
return false;
- if (!acpi_has_method(dhandle, "_DSM"))
+ if (!acpi_has_method(dhandle, "_DSM")) {
+ nouveau_dsm_priv.other_handle = dhandle;
return false;
-
+ }
if (nouveau_test_dsm(dhandle, nouveau_dsm, NOUVEAU_DSM_POWER))
retval |= NOUVEAU_DSM_HAS_MUX;
@@ -338,6 +340,16 @@ static bool nouveau_dsm_detect(void)
printk(KERN_INFO "VGA switcheroo: detected DSM switching method %s handle\n",
acpi_method_name);
nouveau_dsm_priv.dsm_detected = true;
+ /*
+ * On some systems hotplug events are generated for the device
+ * being switched off when _DSM is executed. They cause ACPI
+ * hotplug to trigger and attempt to remove the device from
+ * the system, which causes it to break down. Prevent that from
+ * happening by setting the no_hotplug flag for the involved
+ * ACPI device objects.
+ */
+ acpi_bus_no_hotplug(nouveau_dsm_priv.dhandle);
+ acpi_bus_no_hotplug(nouveau_dsm_priv.other_handle);
ret = true;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 7809d92183c4..25ea82f8def3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -608,8 +608,9 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
fence = nouveau_fence_ref(new_bo->bo.sync_obj);
spin_unlock(&new_bo->bo.bdev->fence_lock);
ret = nouveau_fence_sync(fence, chan);
+ nouveau_fence_unref(&fence);
if (ret)
- return ret;
+ goto fail_free;
if (new_bo != old_bo) {
ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
@@ -701,7 +702,7 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
if (s->event)
- drm_send_vblank_event(dev, -1, s->event);
+ drm_send_vblank_event(dev, s->crtc, s->event);
list_del(&s->head);
if (ps)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 7a3759f1c41a..98a22e6e27a1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -858,6 +858,12 @@ static int nouveau_pmops_runtime_suspend(struct device *dev)
if (nouveau_runtime_pm == 0)
return -EINVAL;
+ /* are we optimus enabled? */
+ if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
+ DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
+ return -EINVAL;
+ }
+
nv_debug_level(SILENT);
drm_kms_helper_poll_disable(drm_dev);
vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
diff --git a/drivers/gpu/drm/nouveau/nouveau_hwmon.c b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
index 38a4db5bfe21..4aff04fa483c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
@@ -630,7 +630,6 @@ error:
hwmon->hwmon = NULL;
return ret;
#else
- hwmon->hwmon = NULL;
return 0;
#endif
}
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index f8e66c08b11a..4e384a2f99c3 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -1265,7 +1265,7 @@ nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
uint32_t start, uint32_t size)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
- u32 end = max(start + size, (u32)256);
+ u32 end = min_t(u32, start + size, 256);
u32 i;
for (i = start; i < end; i++) {
diff --git a/drivers/gpu/drm/qxl/Kconfig b/drivers/gpu/drm/qxl/Kconfig
index 037d324bf58f..66ac0ff95f5a 100644
--- a/drivers/gpu/drm/qxl/Kconfig
+++ b/drivers/gpu/drm/qxl/Kconfig
@@ -8,5 +8,6 @@ config DRM_QXL
select DRM_KMS_HELPER
select DRM_KMS_FB_HELPER
select DRM_TTM
+ select CRC32
help
QXL virtual GPU for Spice virtualization desktop integration. Do not enable this driver unless your distro ships a corresponding X.org QXL driver that can handle kernel modesetting.
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 5e827c29d194..d70aafb83307 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -24,7 +24,7 @@
*/
-#include "linux/crc32.h"
+#include <linux/crc32.h>
#include "qxl_drv.h"
#include "qxl_object.h"
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index 0109a9644cb2..821ab7b9409b 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -92,6 +92,7 @@ qxl_release_free(struct qxl_device *qdev,
- DRM_FILE_OFFSET);
qxl_fence_remove_release(&bo->fence, release->id);
qxl_bo_unref(&bo);
+ kfree(entry);
}
spin_lock(&qdev->release_idr_lock);
idr_remove(&qdev->release_idr, release->id);
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 80a20120e625..0b9621c9aeea 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1143,31 +1143,53 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
}
if (tiling_flags & RADEON_TILING_MACRO) {
- if (rdev->family >= CHIP_BONAIRE)
- tmp = rdev->config.cik.tile_config;
- else if (rdev->family >= CHIP_TAHITI)
- tmp = rdev->config.si.tile_config;
- else if (rdev->family >= CHIP_CAYMAN)
- tmp = rdev->config.cayman.tile_config;
- else
- tmp = rdev->config.evergreen.tile_config;
+ evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
- switch ((tmp & 0xf0) >> 4) {
- case 0: /* 4 banks */
- fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
- break;
- case 1: /* 8 banks */
- default:
- fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
- break;
- case 2: /* 16 banks */
- fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
- break;
+ /* Set NUM_BANKS. */
+ if (rdev->family >= CHIP_BONAIRE) {
+ unsigned tileb, index, num_banks, tile_split_bytes;
+
+ /* Calculate the macrotile mode index. */
+ tile_split_bytes = 64 << tile_split;
+ tileb = 8 * 8 * target_fb->bits_per_pixel / 8;
+ tileb = min(tile_split_bytes, tileb);
+
+ for (index = 0; tileb > 64; index++) {
+ tileb >>= 1;
+ }
+
+ if (index >= 16) {
+ DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n",
+ target_fb->bits_per_pixel, tile_split);
+ return -EINVAL;
+ }
+
+ num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3;
+ fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks);
+ } else {
+ /* SI and older. */
+ if (rdev->family >= CHIP_TAHITI)
+ tmp = rdev->config.si.tile_config;
+ else if (rdev->family >= CHIP_CAYMAN)
+ tmp = rdev->config.cayman.tile_config;
+ else
+ tmp = rdev->config.evergreen.tile_config;
+
+ switch ((tmp & 0xf0) >> 4) {
+ case 0: /* 4 banks */
+ fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
+ break;
+ case 1: /* 8 banks */
+ default:
+ fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
+ break;
+ case 2: /* 16 banks */
+ fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
+ break;
+ }
}
fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
-
- evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split);
fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw);
fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh);
@@ -1180,23 +1202,18 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
if (rdev->family >= CHIP_BONAIRE) {
- u32 num_pipe_configs = rdev->config.cik.max_tile_pipes;
- u32 num_rb = rdev->config.cik.max_backends_per_se;
- if (num_pipe_configs > 8)
- num_pipe_configs = 8;
- if (num_pipe_configs == 8)
- fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P8_32x32_16x16);
- else if (num_pipe_configs == 4) {
- if (num_rb == 4)
- fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_16x16);
- else if (num_rb < 4)
- fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_8x16);
- } else if (num_pipe_configs == 2)
- fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P2);
+ /* Read the pipe config from the 2D TILED SCANOUT mode.
+ * It should be the same for the other modes too, but not all
+ * modes set the pipe config field. */
+ u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f;
+
+ fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config);
} else if ((rdev->family == CHIP_TAHITI) ||
(rdev->family == CHIP_PITCAIRN))
fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
- else if (rdev->family == CHIP_VERDE)
+ else if ((rdev->family == CHIP_VERDE) ||
+ (rdev->family == CHIP_OLAND) ||
+ (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */
fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16);
switch (radeon_crtc->crtc_id) {
diff --git a/drivers/gpu/drm/radeon/atombios_i2c.c b/drivers/gpu/drm/radeon/atombios_i2c.c
index 0652ee0a2098..f685035dbe39 100644
--- a/drivers/gpu/drm/radeon/atombios_i2c.c
+++ b/drivers/gpu/drm/radeon/atombios_i2c.c
@@ -44,7 +44,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan,
PROCESS_I2C_CHANNEL_TRANSACTION_PS_ALLOCATION args;
int index = GetIndexIntoMasterTable(COMMAND, ProcessI2cChannelTransaction);
unsigned char *base;
- u16 out;
+ u16 out = cpu_to_le16(0);
memset(&args, 0, sizeof(args));
@@ -55,11 +55,14 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan,
DRM_ERROR("hw i2c: tried to write too many bytes (%d vs 3)\n", num);
return -EINVAL;
}
- args.ucRegIndex = buf[0];
- if (num > 1) {
+ if (buf == NULL)
+ args.ucRegIndex = 0;
+ else
+ args.ucRegIndex = buf[0];
+ if (num)
num--;
+ if (num)
memcpy(&out, &buf[1], num);
- }
args.lpI2CDataOut = cpu_to_le16(out);
} else {
if (num > ATOM_MAX_HW_I2C_READ) {
@@ -96,14 +99,14 @@ int radeon_atom_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
struct radeon_i2c_chan *i2c = i2c_get_adapdata(i2c_adap);
struct i2c_msg *p;
int i, remaining, current_count, buffer_offset, max_bytes, ret;
- u8 buf = 0, flags;
+ u8 flags;
/* check for bus probe */
p = &msgs[0];
if ((num == 1) && (p->len == 0)) {
ret = radeon_process_i2c_ch(i2c,
p->addr, HW_I2C_WRITE,
- &buf, 1);
+ NULL, 0);
if (ret)
return ret;
else
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index b43a3a3c9067..e950fabd7f5e 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3057,7 +3057,7 @@ static u32 cik_create_bitmask(u32 bit_width)
* Returns the disabled RB bitmask.
*/
static u32 cik_get_rb_disabled(struct radeon_device *rdev,
- u32 max_rb_num, u32 se_num,
+ u32 max_rb_num_per_se,
u32 sh_per_se)
{
u32 data, mask;
@@ -3071,7 +3071,7 @@ static u32 cik_get_rb_disabled(struct radeon_device *rdev,
data >>= BACKEND_DISABLE_SHIFT;
- mask = cik_create_bitmask(max_rb_num / se_num / sh_per_se);
+ mask = cik_create_bitmask(max_rb_num_per_se / sh_per_se);
return data & mask;
}
@@ -3088,7 +3088,7 @@ static u32 cik_get_rb_disabled(struct radeon_device *rdev,
*/
static void cik_setup_rb(struct radeon_device *rdev,
u32 se_num, u32 sh_per_se,
- u32 max_rb_num)
+ u32 max_rb_num_per_se)
{
int i, j;
u32 data, mask;
@@ -3098,7 +3098,7 @@ static void cik_setup_rb(struct radeon_device *rdev,
for (i = 0; i < se_num; i++) {
for (j = 0; j < sh_per_se; j++) {
cik_select_se_sh(rdev, i, j);
- data = cik_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se);
+ data = cik_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se);
if (rdev->family == CHIP_HAWAII)
disabled_rbs |= data << ((i * sh_per_se + j) * HAWAII_RB_BITMAP_WIDTH_PER_SH);
else
@@ -3108,12 +3108,14 @@ static void cik_setup_rb(struct radeon_device *rdev,
cik_select_se_sh(rdev, 0xffffffff, 0xffffffff);
mask = 1;
- for (i = 0; i < max_rb_num; i++) {
+ for (i = 0; i < max_rb_num_per_se * se_num; i++) {
if (!(disabled_rbs & mask))
enabled_rbs |= mask;
mask <<= 1;
}
+ rdev->config.cik.backend_enable_mask = enabled_rbs;
+
for (i = 0; i < se_num; i++) {
cik_select_se_sh(rdev, i, 0xffffffff);
data = 0;
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 0300727a4f70..d08b83c6267b 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -458,7 +458,7 @@ int cik_copy_dma(struct radeon_device *rdev,
radeon_ring_write(ring, 0); /* src/dst endian swap */
radeon_ring_write(ring, src_offset & 0xffffffff);
radeon_ring_write(ring, upper_32_bits(src_offset) & 0xffffffff);
- radeon_ring_write(ring, dst_offset & 0xfffffffc);
+ radeon_ring_write(ring, dst_offset & 0xffffffff);
radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xffffffff);
src_offset += cur_size_in_bytes;
dst_offset += cur_size_in_bytes;
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index 009f46e0ce72..713a5d359901 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -93,11 +93,13 @@ void dce6_afmt_select_pin(struct drm_encoder *encoder)
struct radeon_device *rdev = encoder->dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
- u32 offset = dig->afmt->offset;
+ u32 offset;
- if (!dig->afmt->pin)
+ if (!dig || !dig->afmt || !dig->afmt->pin)
return;
+ offset = dig->afmt->offset;
+
WREG32(AFMT_AUDIO_SRC_CONTROL + offset,
AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id));
}
@@ -112,7 +114,7 @@ void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
struct radeon_connector *radeon_connector = NULL;
u32 tmp = 0, offset;
- if (!dig->afmt->pin)
+ if (!dig || !dig->afmt || !dig->afmt->pin)
return;
offset = dig->afmt->pin->offset;
@@ -156,7 +158,7 @@ void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder)
u8 *sadb;
int sad_count;
- if (!dig->afmt->pin)
+ if (!dig || !dig->afmt || !dig->afmt->pin)
return;
offset = dig->afmt->pin->offset;
@@ -172,7 +174,7 @@ void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder)
}
sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb);
- if (sad_count < 0) {
+ if (sad_count <= 0) {
DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
return;
}
@@ -217,7 +219,7 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder)
{ AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
};
- if (!dig->afmt->pin)
+ if (!dig || !dig->afmt || !dig->afmt->pin)
return;
offset = dig->afmt->pin->offset;
@@ -233,7 +235,7 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder)
}
sad_count = drm_edid_to_sad(radeon_connector->edid, &sads);
- if (sad_count < 0) {
+ if (sad_count <= 0) {
DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
return;
}
@@ -306,7 +308,9 @@ int dce6_audio_init(struct radeon_device *rdev)
rdev->audio.enabled = true;
if (ASIC_IS_DCE8(rdev))
- rdev->audio.num_pins = 7;
+ rdev->audio.num_pins = 6;
+ else if (ASIC_IS_DCE61(rdev))
+ rdev->audio.num_pins = 4;
else
rdev->audio.num_pins = 6;
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index aa695c4feb3d..0c6d5cef4cf1 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -118,7 +118,7 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
}
sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb);
- if (sad_count < 0) {
+ if (sad_count <= 0) {
DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
return;
}
@@ -173,7 +173,7 @@ static void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder)
}
sad_count = drm_edid_to_sad(radeon_connector->edid, &sads);
- if (sad_count < 0) {
+ if (sad_count <= 0) {
DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
return;
}
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 11aab2ab54ce..f59a9e9fccf8 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -895,6 +895,10 @@ static void cayman_gpu_init(struct radeon_device *rdev)
(rdev->pdev->device == 0x999C)) {
rdev->config.cayman.max_simds_per_se = 6;
rdev->config.cayman.max_backends_per_se = 2;
+ rdev->config.cayman.max_hw_contexts = 8;
+ rdev->config.cayman.sx_max_export_size = 256;
+ rdev->config.cayman.sx_max_export_pos_size = 64;
+ rdev->config.cayman.sx_max_export_smx_size = 192;
} else if ((rdev->pdev->device == 0x9903) ||
(rdev->pdev->device == 0x9904) ||
(rdev->pdev->device == 0x990A) ||
@@ -905,6 +909,10 @@ static void cayman_gpu_init(struct radeon_device *rdev)
(rdev->pdev->device == 0x999D)) {
rdev->config.cayman.max_simds_per_se = 4;
rdev->config.cayman.max_backends_per_se = 2;
+ rdev->config.cayman.max_hw_contexts = 8;
+ rdev->config.cayman.sx_max_export_size = 256;
+ rdev->config.cayman.sx_max_export_pos_size = 64;
+ rdev->config.cayman.sx_max_export_smx_size = 192;
} else if ((rdev->pdev->device == 0x9919) ||
(rdev->pdev->device == 0x9990) ||
(rdev->pdev->device == 0x9991) ||
@@ -915,9 +923,17 @@ static void cayman_gpu_init(struct radeon_device *rdev)
(rdev->pdev->device == 0x99A0)) {
rdev->config.cayman.max_simds_per_se = 3;
rdev->config.cayman.max_backends_per_se = 1;
+ rdev->config.cayman.max_hw_contexts = 4;
+ rdev->config.cayman.sx_max_export_size = 128;
+ rdev->config.cayman.sx_max_export_pos_size = 32;
+ rdev->config.cayman.sx_max_export_smx_size = 96;
} else {
rdev->config.cayman.max_simds_per_se = 2;
rdev->config.cayman.max_backends_per_se = 1;
+ rdev->config.cayman.max_hw_contexts = 4;
+ rdev->config.cayman.sx_max_export_size = 128;
+ rdev->config.cayman.sx_max_export_pos_size = 32;
+ rdev->config.cayman.sx_max_export_smx_size = 96;
}
rdev->config.cayman.max_texture_channel_caches = 2;
rdev->config.cayman.max_gprs = 256;
@@ -925,10 +941,6 @@ static void cayman_gpu_init(struct radeon_device *rdev)
rdev->config.cayman.max_gs_threads = 32;
rdev->config.cayman.max_stack_entries = 512;
rdev->config.cayman.sx_num_of_sets = 8;
- rdev->config.cayman.sx_max_export_size = 256;
- rdev->config.cayman.sx_max_export_pos_size = 64;
- rdev->config.cayman.sx_max_export_smx_size = 192;
- rdev->config.cayman.max_hw_contexts = 8;
rdev->config.cayman.sq_num_cf_insts = 2;
rdev->config.cayman.sc_prim_fifo_size = 0x40;
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index cdc003085a76..49c4d48f54d6 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -785,8 +785,8 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
struct ni_ps *ps = ni_get_ps(rps);
struct radeon_clock_and_voltage_limits *max_limits;
bool disable_mclk_switching;
- u32 mclk, sclk;
- u16 vddc, vddci;
+ u32 mclk;
+ u16 vddci;
u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
int i;
@@ -839,24 +839,14 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
/* XXX validate the min clocks required for display */
+ /* adjust low state */
if (disable_mclk_switching) {
- mclk = ps->performance_levels[ps->performance_level_count - 1].mclk;
- sclk = ps->performance_levels[0].sclk;
- vddc = ps->performance_levels[0].vddc;
- vddci = ps->performance_levels[ps->performance_level_count - 1].vddci;
- } else {
- sclk = ps->performance_levels[0].sclk;
- mclk = ps->performance_levels[0].mclk;
- vddc = ps->performance_levels[0].vddc;
- vddci = ps->performance_levels[0].vddci;
+ ps->performance_levels[0].mclk =
+ ps->performance_levels[ps->performance_level_count - 1].mclk;
+ ps->performance_levels[0].vddci =
+ ps->performance_levels[ps->performance_level_count - 1].vddci;
}
- /* adjusted low state */
- ps->performance_levels[0].sclk = sclk;
- ps->performance_levels[0].mclk = mclk;
- ps->performance_levels[0].vddc = vddc;
- ps->performance_levels[0].vddci = vddci;
-
btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
&ps->performance_levels[0].sclk,
&ps->performance_levels[0].mclk);
@@ -868,11 +858,15 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
}
+ /* adjust remaining states */
if (disable_mclk_switching) {
mclk = ps->performance_levels[0].mclk;
+ vddci = ps->performance_levels[0].vddci;
for (i = 1; i < ps->performance_level_count; i++) {
if (mclk < ps->performance_levels[i].mclk)
mclk = ps->performance_levels[i].mclk;
+ if (vddci < ps->performance_levels[i].vddci)
+ vddci = ps->performance_levels[i].vddci;
}
for (i = 0; i < ps->performance_level_count; i++) {
ps->performance_levels[i].mclk = mclk;
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 4b89262f3f0e..b7d3ecba43e3 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -304,9 +304,9 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo);
WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
}
- } else if (ASIC_IS_DCE3(rdev)) {
+ } else {
/* according to the reg specs, this should DCE3.2 only, but in
- * practice it seems to cover DCE3.0/3.1 as well.
+ * practice it seems to cover DCE2.0/3.0/3.1 as well.
*/
if (dig->dig_encoder == 0) {
WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
@@ -317,10 +317,6 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);
WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
}
- } else {
- /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */
- WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
- AUDIO_DTO_MODULE(clock / 10));
}
}
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ecf2a3960c07..45e1f447bc79 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1940,7 +1940,7 @@ struct si_asic {
unsigned sc_earlyz_tile_fifo_size;
unsigned num_tile_pipes;
- unsigned num_backends_per_se;
+ unsigned backend_enable_mask;
unsigned backend_disable_mask_per_asic;
unsigned backend_map;
unsigned num_texture_channel_caches;
@@ -1970,7 +1970,7 @@ struct cik_asic {
unsigned sc_earlyz_tile_fifo_size;
unsigned num_tile_pipes;
- unsigned num_backends_per_se;
+ unsigned backend_enable_mask;
unsigned backend_disable_mask_per_asic;
unsigned backend_map;
unsigned num_texture_channel_caches;
@@ -2710,10 +2710,10 @@ void radeon_vm_fence(struct radeon_device *rdev,
struct radeon_vm *vm,
struct radeon_fence *fence);
uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
-int radeon_vm_bo_update_pte(struct radeon_device *rdev,
- struct radeon_vm *vm,
- struct radeon_bo *bo,
- struct ttm_mem_reg *mem);
+int radeon_vm_bo_update(struct radeon_device *rdev,
+ struct radeon_vm *vm,
+ struct radeon_bo *bo,
+ struct ttm_mem_reg *mem);
void radeon_vm_bo_invalidate(struct radeon_device *rdev,
struct radeon_bo *bo);
struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index e354ce94cdd1..c0425bb6223a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2021,7 +2021,7 @@ static struct radeon_asic ci_asic = {
.hdmi_setmode = &evergreen_hdmi_setmode,
},
.copy = {
- .blit = NULL,
+ .blit = &cik_copy_cpdma,
.blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
.dma = &cik_copy_dma,
.dma_ring_index = R600_RING_TYPE_DMA_INDEX,
@@ -2122,7 +2122,7 @@ static struct radeon_asic kv_asic = {
.hdmi_setmode = &evergreen_hdmi_setmode,
},
.copy = {
- .blit = NULL,
+ .blit = &cik_copy_cpdma,
.blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
.dma = &cik_copy_dma,
.dma_ring_index = R600_RING_TYPE_DMA_INDEX,
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index f79ee184ffd5..5c39bf7c3d88 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2918,7 +2918,7 @@ int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
mpll_param->dll_speed = args.ucDllSpeed;
mpll_param->bwcntl = args.ucBWCntl;
mpll_param->vco_mode =
- (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK) ? 1 : 0;
+ (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
mpll_param->yclk_sel =
(args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
mpll_param->qdr =
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 9d302eaeea15..485848f889f5 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -33,6 +33,7 @@ static struct radeon_atpx_priv {
bool atpx_detected;
/* handle for device - and atpx */
acpi_handle dhandle;
+ acpi_handle other_handle;
struct radeon_atpx atpx;
} radeon_atpx_priv;
@@ -451,9 +452,10 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
return false;
status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
+ radeon_atpx_priv.other_handle = dhandle;
return false;
-
+ }
radeon_atpx_priv.dhandle = dhandle;
radeon_atpx_priv.atpx.handle = atpx_handle;
return true;
@@ -530,6 +532,16 @@ static bool radeon_atpx_detect(void)
printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n",
acpi_method_name);
radeon_atpx_priv.atpx_detected = true;
+ /*
+ * On some systems hotplug events are generated for the device
+ * being switched off when ATPX is executed. They cause ACPI
+ * hotplug to trigger and attempt to remove the device from
+ * the system, which causes it to break down. Prevent that from
+ * happening by setting the no_hotplug flag for the involved
+ * ACPI device objects.
+ */
+ acpi_bus_no_hotplug(radeon_atpx_priv.dhandle);
+ acpi_bus_no_hotplug(radeon_atpx_priv.other_handle);
return true;
}
return false;
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index f41594b2eeac..0b366169d64d 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -360,13 +360,13 @@ static int radeon_bo_vm_update_pte(struct radeon_cs_parser *parser,
struct radeon_bo *bo;
int r;
- r = radeon_vm_bo_update_pte(rdev, vm, rdev->ring_tmp_bo.bo, &rdev->ring_tmp_bo.bo->tbo.mem);
+ r = radeon_vm_bo_update(rdev, vm, rdev->ring_tmp_bo.bo, &rdev->ring_tmp_bo.bo->tbo.mem);
if (r) {
return r;
}
list_for_each_entry(lobj, &parser->validated, tv.head) {
bo = lobj->bo;
- r = radeon_vm_bo_update_pte(parser->rdev, vm, bo, &bo->tbo.mem);
+ r = radeon_vm_bo_update(parser->rdev, vm, bo, &bo->tbo.mem);
if (r) {
return r;
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 9f5ff28864f6..db39ea36bf22 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -77,9 +77,10 @@
* 2.33.0 - Add SI tiling mode array query
* 2.34.0 - Add CIK tiling mode array query
* 2.35.0 - Add CIK macrotile mode array query
+ * 2.36.0 - Fix CIK DCE tiling setup
*/
#define KMS_DRIVER_MAJOR 2
-#define KMS_DRIVER_MINOR 35
+#define KMS_DRIVER_MINOR 36
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
int radeon_driver_unload_kms(struct drm_device *dev);
@@ -508,15 +509,6 @@ static const struct file_operations radeon_driver_kms_fops = {
#endif
};
-
-static void
-radeon_pci_shutdown(struct pci_dev *pdev)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
-
- radeon_driver_unload_kms(dev);
-}
-
static struct drm_driver kms_driver = {
.driver_features =
DRIVER_USE_AGP |
@@ -586,7 +578,6 @@ static struct pci_driver radeon_kms_pci_driver = {
.probe = radeon_pci_probe,
.remove = radeon_pci_remove,
.driver.pm = &radeon_pm_ops,
- .shutdown = radeon_pci_shutdown,
};
static int __init radeon_init(void)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 543dcfae7e6f..00e0d449021c 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -108,9 +108,10 @@
* 1.31- Add support for num Z pipes from GET_PARAM
* 1.32- fixes for rv740 setup
* 1.33- Add r6xx/r7xx const buffer support
+ * 1.34- fix evergreen/cayman GS register
*/
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 33
+#define DRIVER_MINOR 34
#define DRIVER_PATCHLEVEL 0
long radeon_drm_ioctl(struct file *filp,
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 3044e504f4ec..96e440061bdb 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -29,6 +29,7 @@
#include <drm/radeon_drm.h>
#include "radeon.h"
#include "radeon_reg.h"
+#include "radeon_trace.h"
/*
* GART
@@ -737,6 +738,7 @@ struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
for (i = 0; i < 2; ++i) {
if (choices[i]) {
vm->id = choices[i];
+ trace_radeon_vm_grab_id(vm->id, ring);
return rdev->vm_manager.active[choices[i]];
}
}
@@ -1116,7 +1118,7 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev,
}
/**
- * radeon_vm_bo_update_pte - map a bo into the vm page table
+ * radeon_vm_bo_update - map a bo into the vm page table
*
* @rdev: radeon_device pointer
* @vm: requested vm
@@ -1128,10 +1130,10 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev,
*
* Object have to be reserved & global and local mutex must be locked!
*/
-int radeon_vm_bo_update_pte(struct radeon_device *rdev,
- struct radeon_vm *vm,
- struct radeon_bo *bo,
- struct ttm_mem_reg *mem)
+int radeon_vm_bo_update(struct radeon_device *rdev,
+ struct radeon_vm *vm,
+ struct radeon_bo *bo,
+ struct ttm_mem_reg *mem)
{
struct radeon_ib ib;
struct radeon_bo_va *bo_va;
@@ -1176,6 +1178,8 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
bo_va->valid = false;
}
+ trace_radeon_vm_bo_update(bo_va);
+
nptes = radeon_bo_ngpu_pages(bo);
/* assume two extra pdes in case the mapping overlaps the borders */
@@ -1257,7 +1261,7 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev,
mutex_lock(&rdev->vm_manager.lock);
mutex_lock(&bo_va->vm->mutex);
if (bo_va->soffset) {
- r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
+ r = radeon_vm_bo_update(rdev, bo_va->vm, bo_va->bo, NULL);
}
mutex_unlock(&rdev->vm_manager.lock);
list_del(&bo_va->vm_list);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 55d0b474bd37..21d593c0ecaf 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -461,6 +461,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
case RADEON_INFO_SI_CP_DMA_COMPUTE:
*value = 1;
break;
+ case RADEON_INFO_SI_BACKEND_ENABLED_MASK:
+ if (rdev->family >= CHIP_BONAIRE) {
+ *value = rdev->config.cik.backend_enable_mask;
+ } else if (rdev->family >= CHIP_TAHITI) {
+ *value = rdev->config.si.backend_enable_mask;
+ } else {
+ DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n");
+ }
+ break;
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->request);
return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index d1385ccc672c..984097b907ef 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -537,8 +537,7 @@ static ssize_t radeon_hwmon_show_temp(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct drm_device *ddev = dev_get_drvdata(dev);
- struct radeon_device *rdev = ddev->dev_private;
+ struct radeon_device *rdev = dev_get_drvdata(dev);
int temp;
if (rdev->asic->pm.get_temperature)
@@ -553,8 +552,7 @@ static ssize_t radeon_hwmon_show_temp_thresh(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct drm_device *ddev = dev_get_drvdata(dev);
- struct radeon_device *rdev = ddev->dev_private;
+ struct radeon_device *rdev = dev_get_drvdata(dev);
int hyst = to_sensor_dev_attr(attr)->index;
int temp;
@@ -566,23 +564,14 @@ static ssize_t radeon_hwmon_show_temp_thresh(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", temp);
}
-static ssize_t radeon_hwmon_show_name(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "radeon\n");
-}
-
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, radeon_hwmon_show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, radeon_hwmon_show_temp_thresh, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, radeon_hwmon_show_temp_thresh, NULL, 1);
-static SENSOR_DEVICE_ATTR(name, S_IRUGO, radeon_hwmon_show_name, NULL, 0);
static struct attribute *hwmon_attributes[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_crit.dev_attr.attr,
&sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
- &sensor_dev_attr_name.dev_attr.attr,
NULL
};
@@ -590,8 +579,7 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = container_of(kobj, struct device, kobj);
- struct drm_device *ddev = dev_get_drvdata(dev);
- struct radeon_device *rdev = ddev->dev_private;
+ struct radeon_device *rdev = dev_get_drvdata(dev);
/* Skip limit attributes if DPM is not enabled */
if (rdev->pm.pm_method != PM_METHOD_DPM &&
@@ -607,11 +595,15 @@ static const struct attribute_group hwmon_attrgroup = {
.is_visible = hwmon_attributes_visible,
};
+static const struct attribute_group *hwmon_groups[] = {
+ &hwmon_attrgroup,
+ NULL
+};
+
static int radeon_hwmon_init(struct radeon_device *rdev)
{
int err = 0;
-
- rdev->pm.int_hwmon_dev = NULL;
+ struct device *hwmon_dev;
switch (rdev->pm.int_thermal_type) {
case THERMAL_TYPE_RV6XX:
@@ -624,20 +616,13 @@ static int radeon_hwmon_init(struct radeon_device *rdev)
case THERMAL_TYPE_KV:
if (rdev->asic->pm.get_temperature == NULL)
return err;
- rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev);
- if (IS_ERR(rdev->pm.int_hwmon_dev)) {
- err = PTR_ERR(rdev->pm.int_hwmon_dev);
+ hwmon_dev = hwmon_device_register_with_groups(rdev->dev,
+ "radeon", rdev,
+ hwmon_groups);
+ if (IS_ERR(hwmon_dev)) {
+ err = PTR_ERR(hwmon_dev);
dev_err(rdev->dev,
"Unable to register hwmon device: %d\n", err);
- break;
- }
- dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev);
- err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj,
- &hwmon_attrgroup);
- if (err) {
- dev_err(rdev->dev,
- "Unable to create hwmon sysfs file: %d\n", err);
- hwmon_device_unregister(rdev->dev);
}
break;
default:
@@ -647,14 +632,6 @@ static int radeon_hwmon_init(struct radeon_device *rdev)
return err;
}
-static void radeon_hwmon_fini(struct radeon_device *rdev)
-{
- if (rdev->pm.int_hwmon_dev) {
- sysfs_remove_group(&rdev->pm.int_hwmon_dev->kobj, &hwmon_attrgroup);
- hwmon_device_unregister(rdev->pm.int_hwmon_dev);
- }
-}
-
static void radeon_dpm_thermal_work_handler(struct work_struct *work)
{
struct radeon_device *rdev =
@@ -1337,8 +1314,6 @@ static void radeon_pm_fini_old(struct radeon_device *rdev)
if (rdev->pm.power_state)
kfree(rdev->pm.power_state);
-
- radeon_hwmon_fini(rdev);
}
static void radeon_pm_fini_dpm(struct radeon_device *rdev)
@@ -1358,8 +1333,6 @@ static void radeon_pm_fini_dpm(struct radeon_device *rdev)
if (rdev->pm.power_state)
kfree(rdev->pm.power_state);
-
- radeon_hwmon_fini(rdev);
}
void radeon_pm_fini(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h
index 9f0e18172b6e..0473257d4078 100644
--- a/drivers/gpu/drm/radeon/radeon_trace.h
+++ b/drivers/gpu/drm/radeon/radeon_trace.h
@@ -47,6 +47,39 @@ TRACE_EVENT(radeon_cs,
__entry->fences)
);
+TRACE_EVENT(radeon_vm_grab_id,
+ TP_PROTO(unsigned vmid, int ring),
+ TP_ARGS(vmid, ring),
+ TP_STRUCT__entry(
+ __field(u32, vmid)
+ __field(u32, ring)
+ ),
+
+ TP_fast_assign(
+ __entry->vmid = vmid;
+ __entry->ring = ring;
+ ),
+ TP_printk("vmid=%u, ring=%u", __entry->vmid, __entry->ring)
+);
+
+TRACE_EVENT(radeon_vm_bo_update,
+ TP_PROTO(struct radeon_bo_va *bo_va),
+ TP_ARGS(bo_va),
+ TP_STRUCT__entry(
+ __field(u64, soffset)
+ __field(u64, eoffset)
+ __field(u32, flags)
+ ),
+
+ TP_fast_assign(
+ __entry->soffset = bo_va->soffset;
+ __entry->eoffset = bo_va->eoffset;
+ __entry->flags = bo_va->flags;
+ ),
+ TP_printk("soffs=%010llx, eoffs=%010llx, flags=%08x",
+ __entry->soffset, __entry->eoffset, __entry->flags)
+);
+
TRACE_EVENT(radeon_vm_set_page,
TP_PROTO(uint64_t pe, uint64_t addr, unsigned count,
uint32_t incr, uint32_t flags),
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 373d088bac66..b9c0529b4a2e 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -473,7 +473,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
return -EINVAL;
}
- if ((start >> 28) != (end >> 28)) {
+ if ((start >> 28) != ((end - 1) >> 28)) {
DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
start, end);
return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/reg_srcs/cayman b/drivers/gpu/drm/radeon/reg_srcs/cayman
index a072fa8c46b0..d46b58d078aa 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/cayman
+++ b/drivers/gpu/drm/radeon/reg_srcs/cayman
@@ -21,7 +21,7 @@ cayman 0x9400
0x000089AC VGT_COMPUTE_THREAD_GOURP_SIZE
0x000089B0 VGT_HS_OFFCHIP_PARAM
0x00008A14 PA_CL_ENHANCE
-0x00008A60 PA_SC_LINE_STIPPLE_VALUE
+0x00008A60 PA_SU_LINE_STIPPLE_VALUE
0x00008B10 PA_SC_LINE_STIPPLE_STATE
0x00008BF0 PA_SC_ENHANCE
0x00008D8C SQ_DYN_GPR_CNTL_PS_FLUSH_REQ
@@ -532,7 +532,7 @@ cayman 0x9400
0x00028B84 PA_SU_POLY_OFFSET_FRONT_OFFSET
0x00028B88 PA_SU_POLY_OFFSET_BACK_SCALE
0x00028B8C PA_SU_POLY_OFFSET_BACK_OFFSET
-0x00028B74 VGT_GS_INSTANCE_CNT
+0x00028B90 VGT_GS_INSTANCE_CNT
0x00028BD4 PA_SC_CENTROID_PRIORITY_0
0x00028BD8 PA_SC_CENTROID_PRIORITY_1
0x00028BDC PA_SC_LINE_CNTL
diff --git a/drivers/gpu/drm/radeon/reg_srcs/evergreen b/drivers/gpu/drm/radeon/reg_srcs/evergreen
index b912a37689bf..57745c8761c8 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/evergreen
+++ b/drivers/gpu/drm/radeon/reg_srcs/evergreen
@@ -22,7 +22,7 @@ evergreen 0x9400
0x000089A4 VGT_COMPUTE_START_Z
0x000089AC VGT_COMPUTE_THREAD_GOURP_SIZE
0x00008A14 PA_CL_ENHANCE
-0x00008A60 PA_SC_LINE_STIPPLE_VALUE
+0x00008A60 PA_SU_LINE_STIPPLE_VALUE
0x00008B10 PA_SC_LINE_STIPPLE_STATE
0x00008BF0 PA_SC_ENHANCE
0x00008D8C SQ_DYN_GPR_CNTL_PS_FLUSH_REQ
@@ -545,7 +545,7 @@ evergreen 0x9400
0x00028B84 PA_SU_POLY_OFFSET_FRONT_OFFSET
0x00028B88 PA_SU_POLY_OFFSET_BACK_SCALE
0x00028B8C PA_SU_POLY_OFFSET_BACK_OFFSET
-0x00028B74 VGT_GS_INSTANCE_CNT
+0x00028B90 VGT_GS_INSTANCE_CNT
0x00028C00 PA_SC_LINE_CNTL
0x00028C08 PA_SU_VTX_CNTL
0x00028C0C PA_CL_GB_VERT_CLIP_ADJ
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 1c560629575a..e7dab069cccf 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -162,6 +162,16 @@ static void rs690_mc_init(struct radeon_device *rdev)
base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
base = G_000100_MC_FB_START(base) << 16;
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+ /* Some boards seem to be configured for 128MB of sideport memory,
+ * but really only have 64MB. Just skip the sideport and use
+ * UMA memory.
+ */
+ if (rdev->mc.igp_sideport_enabled &&
+ (rdev->mc.real_vram_size == (384 * 1024 * 1024))) {
+ base += 128 * 1024 * 1024;
+ rdev->mc.real_vram_size -= 128 * 1024 * 1024;
+ rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+ }
/* Use K8 direct mapping for fast fb access. */
rdev->fastfb_working = false;
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 913b025ae9b3..374499db20c7 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2328,6 +2328,12 @@ void rv770_get_engine_memory_ss(struct radeon_device *rdev)
pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
ASIC_INTERNAL_MEMORY_SS, 0);
+ /* disable ss, causes hangs on some cayman boards */
+ if (rdev->family == CHIP_CAYMAN) {
+ pi->sclk_ss = false;
+ pi->mclk_ss = false;
+ }
+
if (pi->sclk_ss || pi->mclk_ss)
pi->dynamic_ss = true;
else
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 6a64ccaa0695..85e1edfaa3be 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2811,7 +2811,7 @@ static void si_setup_spi(struct radeon_device *rdev,
}
static u32 si_get_rb_disabled(struct radeon_device *rdev,
- u32 max_rb_num, u32 se_num,
+ u32 max_rb_num_per_se,
u32 sh_per_se)
{
u32 data, mask;
@@ -2825,14 +2825,14 @@ static u32 si_get_rb_disabled(struct radeon_device *rdev,
data >>= BACKEND_DISABLE_SHIFT;
- mask = si_create_bitmask(max_rb_num / se_num / sh_per_se);
+ mask = si_create_bitmask(max_rb_num_per_se / sh_per_se);
return data & mask;
}
static void si_setup_rb(struct radeon_device *rdev,
u32 se_num, u32 sh_per_se,
- u32 max_rb_num)
+ u32 max_rb_num_per_se)
{
int i, j;
u32 data, mask;
@@ -2842,19 +2842,21 @@ static void si_setup_rb(struct radeon_device *rdev,
for (i = 0; i < se_num; i++) {
for (j = 0; j < sh_per_se; j++) {
si_select_se_sh(rdev, i, j);
- data = si_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se);
+ data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se);
disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH);
}
}
si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
mask = 1;
- for (i = 0; i < max_rb_num; i++) {
+ for (i = 0; i < max_rb_num_per_se * se_num; i++) {
if (!(disabled_rbs & mask))
enabled_rbs |= mask;
mask <<= 1;
}
+ rdev->config.si.backend_enable_mask = enabled_rbs;
+
for (i = 0; i < se_num; i++) {
si_select_se_sh(rdev, i, 0xffffffff);
data = 0;
@@ -3882,8 +3884,15 @@ static int si_mc_init(struct radeon_device *rdev)
rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
/* size in MB on si */
- rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
- rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
+ tmp = RREG32(CONFIG_MEMSIZE);
+ /* some boards may have garbage in the upper 16 bits */
+ if (tmp & 0xffff0000) {
+ DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
+ if (tmp & 0xffff)
+ tmp &= 0xffff;
+ }
+ rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL;
+ rdev->mc.real_vram_size = rdev->mc.mc_vram_size;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
si_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 28e178137718..07eba596d458 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -135,11 +135,11 @@ int tegra_drm_submit(struct tegra_drm_context *context,
unsigned int num_relocs = args->num_relocs;
unsigned int num_waitchks = args->num_waitchks;
struct drm_tegra_cmdbuf __user *cmdbufs =
- (void * __user)(uintptr_t)args->cmdbufs;
+ (void __user *)(uintptr_t)args->cmdbufs;
struct drm_tegra_reloc __user *relocs =
- (void * __user)(uintptr_t)args->relocs;
+ (void __user *)(uintptr_t)args->relocs;
struct drm_tegra_waitchk __user *waitchks =
- (void * __user)(uintptr_t)args->waitchks;
+ (void __user *)(uintptr_t)args->waitchks;
struct drm_tegra_syncpt syncpt;
struct host1x_job *job;
int err;
@@ -163,9 +163,10 @@ int tegra_drm_submit(struct tegra_drm_context *context,
struct drm_tegra_cmdbuf cmdbuf;
struct host1x_bo *bo;
- err = copy_from_user(&cmdbuf, cmdbufs, sizeof(cmdbuf));
- if (err)
+ if (copy_from_user(&cmdbuf, cmdbufs, sizeof(cmdbuf))) {
+ err = -EFAULT;
goto fail;
+ }
bo = host1x_bo_lookup(drm, file, cmdbuf.handle);
if (!bo) {
@@ -178,10 +179,11 @@ int tegra_drm_submit(struct tegra_drm_context *context,
cmdbufs++;
}
- err = copy_from_user(job->relocarray, relocs,
- sizeof(*relocs) * num_relocs);
- if (err)
+ if (copy_from_user(job->relocarray, relocs,
+ sizeof(*relocs) * num_relocs)) {
+ err = -EFAULT;
goto fail;
+ }
while (num_relocs--) {
struct host1x_reloc *reloc = &job->relocarray[num_relocs];
@@ -199,15 +201,17 @@ int tegra_drm_submit(struct tegra_drm_context *context,
}
}
- err = copy_from_user(job->waitchk, waitchks,
- sizeof(*waitchks) * num_waitchks);
- if (err)
+ if (copy_from_user(job->waitchk, waitchks,
+ sizeof(*waitchks) * num_waitchks)) {
+ err = -EFAULT;
goto fail;
+ }
- err = copy_from_user(&syncpt, (void * __user)(uintptr_t)args->syncpts,
- sizeof(syncpt));
- if (err)
+ if (copy_from_user(&syncpt, (void __user *)(uintptr_t)args->syncpts,
+ sizeof(syncpt))) {
+ err = -EFAULT;
goto fail;
+ }
job->is_addr_reg = context->client->ops->is_addr_reg;
job->syncpt_incrs = syncpt.incrs;
@@ -573,7 +577,7 @@ static void tegra_debugfs_cleanup(struct drm_minor *minor)
}
#endif
-struct drm_driver tegra_drm_driver = {
+static struct drm_driver tegra_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM,
.load = tegra_drm_load,
.unload = tegra_drm_unload,
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index fdfe259ed7f8..7da0b923131f 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -116,7 +116,7 @@ host1x_client_to_dc(struct host1x_client *client)
static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
{
- return container_of(crtc, struct tegra_dc, base);
+ return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
}
static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index 490f7719e317..a3835e7de184 100644
--- a/drivers/gpu/drm/tegra/fb.c
+++ b/drivers/gpu/drm/tegra/fb.c
@@ -247,7 +247,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
info->var.yoffset * fb->pitches[0];
drm->mode_config.fb_base = (resource_size_t)bo->paddr;
- info->screen_base = bo->vaddr + offset;
+ info->screen_base = (void __iomem *)bo->vaddr + offset;
info->screen_size = size;
info->fix.smem_start = (unsigned long)(bo->paddr + offset);
info->fix.smem_len = size;
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index ba47ca4fb880..3b29018913a5 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -14,6 +14,8 @@
struct tegra_rgb {
struct tegra_output output;
+ struct tegra_dc *dc;
+
struct clk *clk_parent;
struct clk *clk;
};
@@ -84,18 +86,18 @@ static void tegra_dc_write_regs(struct tegra_dc *dc,
static int tegra_output_rgb_enable(struct tegra_output *output)
{
- struct tegra_dc *dc = to_tegra_dc(output->encoder.crtc);
+ struct tegra_rgb *rgb = to_rgb(output);
- tegra_dc_write_regs(dc, rgb_enable, ARRAY_SIZE(rgb_enable));
+ tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable));
return 0;
}
static int tegra_output_rgb_disable(struct tegra_output *output)
{
- struct tegra_dc *dc = to_tegra_dc(output->encoder.crtc);
+ struct tegra_rgb *rgb = to_rgb(output);
- tegra_dc_write_regs(dc, rgb_disable, ARRAY_SIZE(rgb_disable));
+ tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
return 0;
}
@@ -146,6 +148,7 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
rgb->output.dev = dc->dev;
rgb->output.of_node = np;
+ rgb->dc = dc;
err = tegra_output_probe(&rgb->output);
if (err < 0)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 15b86a94949d..406152152315 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -353,7 +353,8 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
* Don't move nonexistent data. Clear destination instead.
*/
if (old_iomap == NULL &&
- (ttm == NULL || ttm->state == tt_unpopulated)) {
+ (ttm == NULL || (ttm->state == tt_unpopulated &&
+ !(ttm->page_flags & TTM_PAGE_FLAG_SWAPPED)))) {
memset_io(new_iomap, 0, new_mem->num_pages*PAGE_SIZE);
goto out2;
}
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index b249ab9b1eb2..6440eeac22d2 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -169,9 +169,9 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) +
- drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff;
- page_last = vma_pages(vma) +
- drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff;
+ vma->vm_pgoff - drm_vma_node_start(&bo->vma_node);
+ page_last = vma_pages(vma) + vma->vm_pgoff -
+ drm_vma_node_start(&bo->vma_node);
if (unlikely(page_offset >= bo->num_pages)) {
retval = VM_FAULT_SIGBUS;
diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
index 24ffbe990736..8d67b943ac05 100644
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ b/drivers/gpu/drm/udl/udl_gem.c
@@ -125,6 +125,12 @@ static int udl_gem_get_pages(struct udl_gem_object *obj, gfp_t gfpmask)
static void udl_gem_put_pages(struct udl_gem_object *obj)
{
+ if (obj->base.import_attach) {
+ drm_free_large(obj->pages);
+ obj->pages = NULL;
+ return;
+ }
+
drm_gem_put_pages(&obj->base, obj->pages, false, false);
obj->pages = NULL;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 7776e6f0aef6..0489c6152482 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -150,6 +150,8 @@ struct vmw_ttm_tt {
bool mapped;
};
+const size_t vmw_tt_size = sizeof(struct vmw_ttm_tt);
+
/**
* Helper functions to advance a struct vmw_piter iterator.
*
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index db85985c7086..20890ad8408b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -615,6 +615,7 @@ extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
* TTM buffer object driver - vmwgfx_buffer.c
*/
+extern const size_t vmw_tt_size;
extern struct ttm_placement vmw_vram_placement;
extern struct ttm_placement vmw_vram_ne_placement;
extern struct ttm_placement vmw_vram_sys_placement;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index a51f48e3e917..45d5b5ab6ca9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -68,6 +68,9 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
SVGA_FIFO_3D_HWVERSION));
break;
}
+ case DRM_VMW_PARAM_MAX_SURF_MEMORY:
+ param->value = dev_priv->memory_size;
+ break;
default:
DRM_ERROR("Illegal vmwgfx get param request: %d\n",
param->param);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index ecb3d867b426..03f1c2038631 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -75,6 +75,7 @@ void vmw_display_unit_cleanup(struct vmw_display_unit *du)
vmw_surface_unreference(&du->cursor_surface);
if (du->cursor_dmabuf)
vmw_dmabuf_unreference(&du->cursor_dmabuf);
+ drm_sysfs_connector_remove(&du->connector);
drm_crtc_cleanup(&du->crtc);
drm_encoder_cleanup(&du->encoder);
drm_connector_cleanup(&du->connector);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 79f7e8e60529..a055a26819c2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -260,6 +260,7 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
connector->encoder = NULL;
encoder->crtc = NULL;
crtc->fb = NULL;
+ crtc->enabled = false;
vmw_ldu_del_active(dev_priv, ldu);
@@ -285,6 +286,7 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
crtc->x = set->x;
crtc->y = set->y;
crtc->mode = *mode;
+ crtc->enabled = true;
vmw_ldu_add_active(dev_priv, ldu, vfb);
@@ -369,6 +371,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
encoder->possible_crtcs = (1 << unit);
encoder->possible_clones = 0;
+ (void) drm_sysfs_connector_add(connector);
+
drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs);
drm_mode_crtc_set_gamma_size(crtc, 256);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index efe2b74c5eb1..9b5ea2ac7ddf 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -352,6 +352,38 @@ int vmw_user_lookup_handle(struct vmw_private *dev_priv,
/**
* Buffer management.
*/
+
+/**
+ * vmw_dmabuf_acc_size - Calculate the pinned memory usage of buffers
+ *
+ * @dev_priv: Pointer to a struct vmw_private identifying the device.
+ * @size: The requested buffer size.
+ * @user: Whether this is an ordinary dma buffer or a user dma buffer.
+ */
+static size_t vmw_dmabuf_acc_size(struct vmw_private *dev_priv, size_t size,
+ bool user)
+{
+ static size_t struct_size, user_struct_size;
+ size_t num_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ size_t page_array_size = ttm_round_pot(num_pages * sizeof(void *));
+
+ if (unlikely(struct_size == 0)) {
+ size_t backend_size = ttm_round_pot(vmw_tt_size);
+
+ struct_size = backend_size +
+ ttm_round_pot(sizeof(struct vmw_dma_buffer));
+ user_struct_size = backend_size +
+ ttm_round_pot(sizeof(struct vmw_user_dma_buffer));
+ }
+
+ if (dev_priv->map_mode == vmw_dma_alloc_coherent)
+ page_array_size +=
+ ttm_round_pot(num_pages * sizeof(dma_addr_t));
+
+ return ((user) ? user_struct_size : struct_size) +
+ page_array_size;
+}
+
void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo)
{
struct vmw_dma_buffer *vmw_bo = vmw_dma_buffer(bo);
@@ -359,6 +391,13 @@ void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo)
kfree(vmw_bo);
}
+static void vmw_user_dmabuf_destroy(struct ttm_buffer_object *bo)
+{
+ struct vmw_user_dma_buffer *vmw_user_bo = vmw_user_dma_buffer(bo);
+
+ ttm_prime_object_kfree(vmw_user_bo, prime);
+}
+
int vmw_dmabuf_init(struct vmw_private *dev_priv,
struct vmw_dma_buffer *vmw_bo,
size_t size, struct ttm_placement *placement,
@@ -368,28 +407,23 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv,
struct ttm_bo_device *bdev = &dev_priv->bdev;
size_t acc_size;
int ret;
+ bool user = (bo_free == &vmw_user_dmabuf_destroy);
- BUG_ON(!bo_free);
+ BUG_ON(!bo_free && (!user && (bo_free != vmw_dmabuf_bo_free)));
- acc_size = ttm_bo_acc_size(bdev, size, sizeof(struct vmw_dma_buffer));
+ acc_size = vmw_dmabuf_acc_size(dev_priv, size, user);
memset(vmw_bo, 0, sizeof(*vmw_bo));
INIT_LIST_HEAD(&vmw_bo->res_list);
ret = ttm_bo_init(bdev, &vmw_bo->base, size,
- ttm_bo_type_device, placement,
+ (user) ? ttm_bo_type_device :
+ ttm_bo_type_kernel, placement,
0, interruptible,
NULL, acc_size, NULL, bo_free);
return ret;
}
-static void vmw_user_dmabuf_destroy(struct ttm_buffer_object *bo)
-{
- struct vmw_user_dma_buffer *vmw_user_bo = vmw_user_dma_buffer(bo);
-
- ttm_prime_object_kfree(vmw_user_bo, prime);
-}
-
static void vmw_user_dmabuf_release(struct ttm_base_object **p_base)
{
struct vmw_user_dma_buffer *vmw_user_bo;
@@ -781,54 +815,55 @@ err_ref:
}
+/**
+ * vmw_dumb_create - Create a dumb kms buffer
+ *
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * @dev: Pointer to the drm device.
+ * @args: Pointer to a struct drm_mode_create_dumb structure
+ *
+ * This is a driver callback for the core drm create_dumb functionality.
+ * Note that this is very similar to the vmw_dmabuf_alloc ioctl, except
+ * that the arguments have a different format.
+ */
int vmw_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_master *vmaster = vmw_master(file_priv->master);
- struct vmw_user_dma_buffer *vmw_user_bo;
- struct ttm_buffer_object *tmp;
+ struct vmw_dma_buffer *dma_buf;
int ret;
args->pitch = args->width * ((args->bpp + 7) / 8);
args->size = args->pitch * args->height;
- vmw_user_bo = kzalloc(sizeof(*vmw_user_bo), GFP_KERNEL);
- if (vmw_user_bo == NULL)
- return -ENOMEM;
-
ret = ttm_read_lock(&vmaster->lock, true);
- if (ret != 0) {
- kfree(vmw_user_bo);
+ if (unlikely(ret != 0))
return ret;
- }
- ret = vmw_dmabuf_init(dev_priv, &vmw_user_bo->dma, args->size,
- &vmw_vram_sys_placement, true,
- &vmw_user_dmabuf_destroy);
- if (ret != 0)
- goto out_no_dmabuf;
-
- tmp = ttm_bo_reference(&vmw_user_bo->dma.base);
- ret = ttm_prime_object_init(vmw_fpriv(file_priv)->tfile,
- args->size,
- &vmw_user_bo->prime,
- false,
- ttm_buffer_type,
- &vmw_user_dmabuf_release, NULL);
+ ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
+ args->size, false, &args->handle,
+ &dma_buf);
if (unlikely(ret != 0))
- goto out_no_base_object;
-
- args->handle = vmw_user_bo->prime.base.hash.key;
+ goto out_no_dmabuf;
-out_no_base_object:
- ttm_bo_unref(&tmp);
+ vmw_dmabuf_unreference(&dma_buf);
out_no_dmabuf:
ttm_read_unlock(&vmaster->lock);
return ret;
}
+/**
+ * vmw_dumb_map_offset - Return the address space offset of a dumb buffer
+ *
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * @dev: Pointer to the drm device.
+ * @handle: Handle identifying the dumb buffer.
+ * @offset: The address space offset returned.
+ *
+ * This is a driver callback for the core drm dumb_map_offset functionality.
+ */
int vmw_dumb_map_offset(struct drm_file *file_priv,
struct drm_device *dev, uint32_t handle,
uint64_t *offset)
@@ -846,6 +881,15 @@ int vmw_dumb_map_offset(struct drm_file *file_priv,
return 0;
}
+/**
+ * vmw_dumb_destroy - Destroy a dumb boffer
+ *
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * @dev: Pointer to the drm device.
+ * @handle: Handle identifying the dumb buffer.
+ *
+ * This is a driver callback for the core drm dumb_destroy functionality.
+ */
int vmw_dumb_destroy(struct drm_file *file_priv,
struct drm_device *dev,
uint32_t handle)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index 26387c3d5a21..22406c8651ea 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -310,6 +310,7 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
crtc->fb = NULL;
crtc->x = 0;
crtc->y = 0;
+ crtc->enabled = false;
vmw_sou_del_active(dev_priv, sou);
@@ -370,6 +371,7 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
crtc->fb = NULL;
crtc->x = 0;
crtc->y = 0;
+ crtc->enabled = false;
return ret;
}
@@ -382,6 +384,7 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
crtc->fb = fb;
crtc->x = set->x;
crtc->y = set->y;
+ crtc->enabled = true;
return 0;
}
@@ -464,6 +467,8 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit)
encoder->possible_crtcs = (1 << unit);
encoder->possible_clones = 0;
+ (void) drm_sysfs_connector_add(connector);
+
drm_crtc_init(dev, crtc, &vmw_screen_object_crtc_funcs);
drm_mode_crtc_set_gamma_size(crtc, 256);
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index 509383f8be03..6a929591aa73 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -19,6 +19,7 @@
#include <linux/of.h>
#include <linux/slab.h>
+#include "bus.h"
#include "dev.h"
static DEFINE_MUTEX(clients_lock);
@@ -257,7 +258,7 @@ static int host1x_unregister_client(struct host1x *host1x,
return -ENODEV;
}
-struct bus_type host1x_bus_type = {
+static struct bus_type host1x_bus_type = {
.name = "host1x",
};
@@ -301,7 +302,7 @@ static int host1x_device_add(struct host1x *host1x,
device->dev.coherent_dma_mask = host1x->dev->coherent_dma_mask;
device->dev.dma_mask = &device->dev.coherent_dma_mask;
device->dev.release = host1x_device_release;
- dev_set_name(&device->dev, driver->name);
+ dev_set_name(&device->dev, "%s", driver->name);
device->dev.bus = &host1x_bus_type;
device->dev.parent = host1x->dev;
diff --git a/drivers/gpu/host1x/hw/cdma_hw.c b/drivers/gpu/host1x/hw/cdma_hw.c
index 37e2a63241a9..6b09b71940c2 100644
--- a/drivers/gpu/host1x/hw/cdma_hw.c
+++ b/drivers/gpu/host1x/hw/cdma_hw.c
@@ -54,8 +54,8 @@ static void cdma_timeout_cpu_incr(struct host1x_cdma *cdma, u32 getptr,
u32 *p = (u32 *)((u32)pb->mapped + getptr);
*(p++) = HOST1X_OPCODE_NOP;
*(p++) = HOST1X_OPCODE_NOP;
- dev_dbg(host1x->dev, "%s: NOP at 0x%x\n", __func__,
- pb->phys + getptr);
+ dev_dbg(host1x->dev, "%s: NOP at %#llx\n", __func__,
+ (u64)pb->phys + getptr);
getptr = (getptr + 8) & (pb->size_bytes - 1);
}
wmb();
diff --git a/drivers/gpu/host1x/hw/debug_hw.c b/drivers/gpu/host1x/hw/debug_hw.c
index 640c75ca5a8b..f72c873eff81 100644
--- a/drivers/gpu/host1x/hw/debug_hw.c
+++ b/drivers/gpu/host1x/hw/debug_hw.c
@@ -163,8 +163,8 @@ static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
continue;
}
- host1x_debug_output(o, " GATHER at %08x+%04x, %d words\n",
- g->base, g->offset, g->words);
+ host1x_debug_output(o, " GATHER at %#llx+%04x, %d words\n",
+ (u64)g->base, g->offset, g->words);
show_gather(o, g->base + g->offset, g->words, cdma,
g->base, mapped);
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 329fbb9b5976..34e2d39d4ce8 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -460,6 +460,7 @@ config HID_MULTITOUCH
- Stantum multitouch panels
- Touch International Panels
- Unitec Panels
+ - Wistron optical touch panels
- XAT optical touch panels
- Xiroku optical touch panels
- Zytronic touch panels
diff --git a/drivers/hid/hid-appleir.c b/drivers/hid/hid-appleir.c
index a42e6a394c5e..0e6a42d37eb6 100644
--- a/drivers/hid/hid-appleir.c
+++ b/drivers/hid/hid-appleir.c
@@ -297,6 +297,9 @@ static int appleir_probe(struct hid_device *hid, const struct hid_device_id *id)
appleir->hid = hid;
+ /* force input as some remotes bypass the input registration */
+ hid->quirks |= HID_QUIRK_HIDINPUT_FORCE;
+
spin_lock_init(&appleir->lock);
setup_timer(&appleir->key_up_timer,
key_up_tick, (unsigned long) appleir);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 8c10f2742233..253fe23ef7fe 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1723,6 +1723,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
@@ -1879,7 +1880,6 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
- { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO2, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
{ }
};
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 76559629568c..f9304cb37154 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -489,6 +489,7 @@
#define USB_VENDOR_ID_KYE 0x0458
#define USB_DEVICE_ID_KYE_ERGO_525V 0x0087
#define USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE 0x0138
+#define USB_DEVICE_ID_GENIUS_MANTICORE 0x0153
#define USB_DEVICE_ID_GENIUS_GX_IMPERATOR 0x4018
#define USB_DEVICE_ID_KYE_GPEN_560 0x5003
#define USB_DEVICE_ID_KYE_EASYPEN_I405X 0x5010
@@ -640,7 +641,6 @@
#define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN 0x0003
#define USB_VENDOR_ID_NINTENDO 0x057e
-#define USB_VENDOR_ID_NINTENDO2 0x054c
#define USB_DEVICE_ID_NINTENDO_WIIMOTE 0x0306
#define USB_DEVICE_ID_NINTENDO_WIIMOTE2 0x0330
@@ -902,6 +902,9 @@
#define USB_DEVICE_ID_SUPER_DUAL_BOX_PRO 0x8802
#define USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO 0x8804
+#define USB_VENDOR_ID_WISTRON 0x0fb8
+#define USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH 0x1109
+
#define USB_VENDOR_ID_X_TENSIONS 0x1ae7
#define USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE 0x9001
diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c
index 73845120295e..e77696367591 100644
--- a/drivers/hid/hid-kye.c
+++ b/drivers/hid/hid-kye.c
@@ -342,6 +342,10 @@ static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc,
rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83,
"Genius Gx Imperator Keyboard");
break;
+ case USB_DEVICE_ID_GENIUS_MANTICORE:
+ rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104,
+ "Genius Manticore Keyboard");
+ break;
}
return rdesc;
}
@@ -418,6 +422,14 @@ static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id)
goto enabling_err;
}
break;
+ case USB_DEVICE_ID_GENIUS_MANTICORE:
+ /*
+ * The manticore keyboard needs to have all the interfaces
+ * opened at least once to be fully functional.
+ */
+ if (hid_hw_open(hdev))
+ hid_hw_close(hdev);
+ break;
}
return 0;
@@ -439,6 +451,8 @@ static const struct hid_device_id kye_devices[] = {
USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
+ USB_DEVICE_ID_GENIUS_MANTICORE) },
{ }
};
MODULE_DEVICE_TABLE(hid, kye_devices);
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index a2cedb8ae1c0..d83b1e8b505b 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1335,6 +1335,12 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
+
+ /* Wistron panels */
+ { .driver_data = MT_CLS_NSMU,
+ MT_USB_DEVICE(USB_VENDOR_ID_WISTRON,
+ USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) },
+
/* XAT */
{ .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XAT,
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index a184e1921c11..8fab82829f8b 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -112,13 +112,15 @@ static int sensor_hub_get_physical_device_count(
static void sensor_hub_fill_attr_info(
struct hid_sensor_hub_attribute_info *info,
- s32 index, s32 report_id, s32 units, s32 unit_expo, s32 size)
+ s32 index, s32 report_id, struct hid_field *field)
{
info->index = index;
info->report_id = report_id;
- info->units = units;
- info->unit_expo = unit_expo;
- info->size = size/8;
+ info->units = field->unit;
+ info->unit_expo = field->unit_exponent;
+ info->size = (field->report_size * field->report_count)/8;
+ info->logical_minimum = field->logical_minimum;
+ info->logical_maximum = field->logical_maximum;
}
static struct hid_sensor_hub_callbacks *sensor_hub_get_callback(
@@ -325,9 +327,7 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
if (field->physical == usage_id &&
field->logical == attr_usage_id) {
sensor_hub_fill_attr_info(info, i, report->id,
- field->unit, field->unit_exponent,
- field->report_size *
- field->report_count);
+ field);
ret = 0;
} else {
for (j = 0; j < field->maxusage; ++j) {
@@ -336,11 +336,7 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
field->usage[j].collection_index ==
collection_index) {
sensor_hub_fill_attr_info(info,
- i, report->id,
- field->unit,
- field->unit_exponent,
- field->report_size *
- field->report_count);
+ i, report->id, field);
ret = 0;
break;
}
@@ -573,6 +569,8 @@ static int sensor_hub_probe(struct hid_device *hdev,
goto err_free_names;
}
sd->hid_sensor_hub_client_devs[
+ sd->hid_sensor_client_cnt].id = PLATFORM_DEVID_AUTO;
+ sd->hid_sensor_hub_client_devs[
sd->hid_sensor_client_cnt].name = name;
sd->hid_sensor_hub_client_devs[
sd->hid_sensor_client_cnt].platform_data =
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index da551d113762..098af2f84b8c 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -225,6 +225,13 @@ static const unsigned int buzz_keymap[] = {
struct sony_sc {
unsigned long quirks;
+#ifdef CONFIG_SONY_FF
+ struct work_struct rumble_worker;
+ struct hid_device *hdev;
+ __u8 left;
+ __u8 right;
+#endif
+
void *extra;
};
@@ -615,9 +622,9 @@ static void buzz_remove(struct hid_device *hdev)
}
#ifdef CONFIG_SONY_FF
-static int sony_play_effect(struct input_dev *dev, void *data,
- struct ff_effect *effect)
+static void sony_rumble_worker(struct work_struct *work)
{
+ struct sony_sc *sc = container_of(work, struct sony_sc, rumble_worker);
unsigned char buf[] = {
0x01,
0x00, 0xff, 0x00, 0xff, 0x00,
@@ -628,21 +635,28 @@ static int sony_play_effect(struct input_dev *dev, void *data,
0xff, 0x27, 0x10, 0x00, 0x32,
0x00, 0x00, 0x00, 0x00, 0x00
};
- __u8 left;
- __u8 right;
+
+ buf[3] = sc->right;
+ buf[5] = sc->left;
+
+ sc->hdev->hid_output_raw_report(sc->hdev, buf, sizeof(buf),
+ HID_OUTPUT_REPORT);
+}
+
+static int sony_play_effect(struct input_dev *dev, void *data,
+ struct ff_effect *effect)
+{
struct hid_device *hid = input_get_drvdata(dev);
+ struct sony_sc *sc = hid_get_drvdata(hid);
if (effect->type != FF_RUMBLE)
return 0;
- left = effect->u.rumble.strong_magnitude / 256;
- right = effect->u.rumble.weak_magnitude ? 1 : 0;
-
- buf[3] = right;
- buf[5] = left;
+ sc->left = effect->u.rumble.strong_magnitude / 256;
+ sc->right = effect->u.rumble.weak_magnitude ? 1 : 0;
- return hid->hid_output_raw_report(hid, buf, sizeof(buf),
- HID_OUTPUT_REPORT);
+ schedule_work(&sc->rumble_worker);
+ return 0;
}
static int sony_init_ff(struct hid_device *hdev)
@@ -650,16 +664,31 @@ static int sony_init_ff(struct hid_device *hdev)
struct hid_input *hidinput = list_entry(hdev->inputs.next,
struct hid_input, list);
struct input_dev *input_dev = hidinput->input;
+ struct sony_sc *sc = hid_get_drvdata(hdev);
+
+ sc->hdev = hdev;
+ INIT_WORK(&sc->rumble_worker, sony_rumble_worker);
input_set_capability(input_dev, EV_FF, FF_RUMBLE);
return input_ff_create_memless(input_dev, NULL, sony_play_effect);
}
+static void sony_destroy_ff(struct hid_device *hdev)
+{
+ struct sony_sc *sc = hid_get_drvdata(hdev);
+
+ cancel_work_sync(&sc->rumble_worker);
+}
+
#else
static int sony_init_ff(struct hid_device *hdev)
{
return 0;
}
+
+static void sony_destroy_ff(struct hid_device *hdev)
+{
+}
#endif
static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
@@ -728,6 +757,8 @@ static void sony_remove(struct hid_device *hdev)
if (sc->quirks & BUZZ_CONTROLLER)
buzz_remove(hdev);
+ sony_destroy_ff(hdev);
+
hid_hw_stop(hdev);
}
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index 1446f526ee8b..abb20db2b443 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -834,8 +834,7 @@ static void wiimote_init_set_type(struct wiimote_data *wdata,
goto done;
}
- if (vendor == USB_VENDOR_ID_NINTENDO ||
- vendor == USB_VENDOR_ID_NINTENDO2) {
+ if (vendor == USB_VENDOR_ID_NINTENDO) {
if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE) {
devtype = WIIMOTE_DEV_GEN10;
goto done;
@@ -1856,8 +1855,6 @@ static void wiimote_hid_remove(struct hid_device *hdev)
static const struct hid_device_id wiimote_hid_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
USB_DEVICE_ID_NINTENDO_WIIMOTE) },
- { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO2,
- USB_DEVICE_ID_NINTENDO_WIIMOTE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
{ }
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 93b00d76374c..cedc6da93c19 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -287,7 +287,7 @@ static int uhid_event_from_user(const char __user *buffer, size_t len,
*/
struct uhid_create_req_compat *compat;
- compat = kmalloc(sizeof(*compat), GFP_KERNEL);
+ compat = kzalloc(sizeof(*compat), GFP_KERNEL);
if (!compat)
return -ENOMEM;
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index 1d7ff46812c3..dafc63c6932d 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -18,7 +18,6 @@
#include <linux/err.h>
#include <acpi/acpi.h>
-#include <acpi/acpixf.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
diff --git a/drivers/hwmon/hih6130.c b/drivers/hwmon/hih6130.c
index 2dc37c7c6947..7d68a08baaa8 100644
--- a/drivers/hwmon/hih6130.c
+++ b/drivers/hwmon/hih6130.c
@@ -43,6 +43,7 @@
* @last_update: time of last update (jiffies)
* @temperature: cached temperature measurement value
* @humidity: cached humidity measurement value
+ * @write_length: length for I2C measurement request
*/
struct hih6130 {
struct device *hwmon_dev;
@@ -51,6 +52,7 @@ struct hih6130 {
unsigned long last_update;
int temperature;
int humidity;
+ size_t write_length;
};
/**
@@ -121,8 +123,15 @@ static int hih6130_update_measurements(struct i2c_client *client)
*/
if (time_after(jiffies, hih6130->last_update + HZ) || !hih6130->valid) {
- /* write to slave address, no data, to request a measurement */
- ret = i2c_master_send(client, tmp, 0);
+ /*
+ * Write to slave address to request a measurement.
+ * According with the datasheet it should be with no data, but
+ * for systems with I2C bus drivers that do not allow zero
+ * length packets we write one dummy byte to allow sensor
+ * measurements on them.
+ */
+ tmp[0] = 0;
+ ret = i2c_master_send(client, tmp, hih6130->write_length);
if (ret < 0)
goto out;
@@ -252,6 +261,9 @@ static int hih6130_probe(struct i2c_client *client,
goto fail_remove_sysfs;
}
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_QUICK))
+ hih6130->write_length = 1;
+
return 0;
fail_remove_sysfs:
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 6cf6bff79003..a2f3b4a365e4 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -94,6 +94,8 @@ static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm <= 0)
return 255;
+ if (rpm > 1350000)
+ return 1;
return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 4c4c1421bf28..8b8f3aa49726 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1610,12 +1610,14 @@ static int lm90_probe(struct i2c_client *client,
"lm90", client);
if (err < 0) {
dev_err(dev, "cannot request IRQ %d\n", client->irq);
- goto exit_remove_files;
+ goto exit_unregister;
}
}
return 0;
+exit_unregister:
+ hwmon_device_unregister(data->hwmon_dev);
exit_remove_files:
lm90_remove_files(client, data);
exit_restore:
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 1404e6319deb..72a889702f0d 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -141,6 +141,8 @@ static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm <= 0)
return 255;
+ if (rpm > 1350000)
+ return 1;
return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index 0e7017841f7d..aee14e2192f8 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -145,7 +145,7 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 };
*/
static inline u8 FAN_TO_REG(long rpm, int div)
{
- if (rpm == 0)
+ if (rpm <= 0 || rpm > 1310720)
return 0;
return clamp_val(1310720 / (rpm * div), 1, 255);
}
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index edb06cda5a68..6ed76ceb9270 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -481,9 +481,11 @@ store_pwm(struct device *dev, struct device_attribute *attr,
if (err)
return err;
val = clamp_val(val, 0, 255);
+ val = DIV_ROUND_CLOSEST(val, 0x11);
mutex_lock(&data->update_lock);
- data->pwm[nr] = val;
+ data->pwm[nr] = val * 0x11;
+ val |= w83l786ng_read_value(client, W83L786NG_REG_PWM[nr]) & 0xf0;
w83l786ng_write_value(client, W83L786NG_REG_PWM[nr], val);
mutex_unlock(&data->update_lock);
return count;
@@ -510,7 +512,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
mutex_lock(&data->update_lock);
reg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG);
data->pwm_enable[nr] = val;
- reg &= ~(0x02 << W83L786NG_PWM_ENABLE_SHIFT[nr]);
+ reg &= ~(0x03 << W83L786NG_PWM_ENABLE_SHIFT[nr]);
reg |= (val - 1) << W83L786NG_PWM_ENABLE_SHIFT[nr];
w83l786ng_write_value(client, W83L786NG_REG_FAN_CFG, reg);
mutex_unlock(&data->update_lock);
@@ -776,9 +778,10 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1)
? 0 : 1;
data->pwm_enable[i] =
- ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 2) + 1;
- data->pwm[i] = w83l786ng_read_value(client,
- W83L786NG_REG_PWM[i]);
+ ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1;
+ data->pwm[i] =
+ (w83l786ng_read_value(client, W83L786NG_REG_PWM[i])
+ & 0x0f) * 0x11;
}
diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c
index 036cf03aeb61..18a74a6751a9 100644
--- a/drivers/i2c/busses/i2c-bcm-kona.c
+++ b/drivers/i2c/busses/i2c-bcm-kona.c
@@ -20,7 +20,6 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/io.h>
-#include <linux/clk.h>
#include <linux/slab.h>
/* Hardware register offsets and field defintions */
@@ -891,7 +890,7 @@ static const struct of_device_id bcm_kona_i2c_of_match[] = {
{.compatible = "brcm,kona-i2c",},
{},
};
-MODULE_DEVICE_TABLE(of, kona_i2c_of_match);
+MODULE_DEVICE_TABLE(of, bcm_kona_i2c_of_match);
static struct platform_driver bcm_kona_i2c_driver = {
.driver = {
diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index d7e8600f31fb..77df97b932af 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -299,6 +299,7 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
strlcpy(adap->name, "bcm2835 I2C adapter", sizeof(adap->name));
adap->algo = &bcm2835_i2c_algo;
adap->dev.parent = &pdev->dev;
+ adap->dev.of_node = pdev->dev.of_node;
bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_C, 0);
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index ff05d9fef4a8..af0b5830303d 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -125,12 +125,12 @@ static struct davinci_i2c_platform_data davinci_i2c_platform_data_default = {
static inline void davinci_i2c_write_reg(struct davinci_i2c_dev *i2c_dev,
int reg, u16 val)
{
- __raw_writew(val, i2c_dev->base + reg);
+ writew_relaxed(val, i2c_dev->base + reg);
}
static inline u16 davinci_i2c_read_reg(struct davinci_i2c_dev *i2c_dev, int reg)
{
- return __raw_readw(i2c_dev->base + reg);
+ return readw_relaxed(i2c_dev->base + reg);
}
/* Generate a pulse on the i2c clock pin. */
diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
index dae3ddfe7619..721f7ebf9a3b 100644
--- a/drivers/i2c/busses/i2c-diolan-u2c.c
+++ b/drivers/i2c/busses/i2c-diolan-u2c.c
@@ -25,8 +25,6 @@
#define USB_VENDOR_ID_DIOLAN 0x0abf
#define USB_DEVICE_ID_DIOLAN_U2C 0x3370
-#define DIOLAN_OUT_EP 0x02
-#define DIOLAN_IN_EP 0x84
/* commands via USB, must match command ids in the firmware */
#define CMD_I2C_READ 0x01
@@ -84,6 +82,7 @@
struct i2c_diolan_u2c {
u8 obuffer[DIOLAN_OUTBUF_LEN]; /* output buffer */
u8 ibuffer[DIOLAN_INBUF_LEN]; /* input buffer */
+ int ep_in, ep_out; /* Endpoints */
struct usb_device *usb_dev; /* the usb device for this device */
struct usb_interface *interface;/* the interface for this device */
struct i2c_adapter adapter; /* i2c related things */
@@ -109,7 +108,7 @@ static int diolan_usb_transfer(struct i2c_diolan_u2c *dev)
return -EINVAL;
ret = usb_bulk_msg(dev->usb_dev,
- usb_sndbulkpipe(dev->usb_dev, DIOLAN_OUT_EP),
+ usb_sndbulkpipe(dev->usb_dev, dev->ep_out),
dev->obuffer, dev->olen, &actual,
DIOLAN_USB_TIMEOUT);
if (!ret) {
@@ -118,7 +117,7 @@ static int diolan_usb_transfer(struct i2c_diolan_u2c *dev)
tmpret = usb_bulk_msg(dev->usb_dev,
usb_rcvbulkpipe(dev->usb_dev,
- DIOLAN_IN_EP),
+ dev->ep_in),
dev->ibuffer,
sizeof(dev->ibuffer), &actual,
DIOLAN_USB_TIMEOUT);
@@ -210,7 +209,7 @@ static void diolan_flush_input(struct i2c_diolan_u2c *dev)
int ret;
ret = usb_bulk_msg(dev->usb_dev,
- usb_rcvbulkpipe(dev->usb_dev, DIOLAN_IN_EP),
+ usb_rcvbulkpipe(dev->usb_dev, dev->ep_in),
dev->ibuffer, sizeof(dev->ibuffer), &actual,
DIOLAN_USB_TIMEOUT);
if (ret < 0 || actual == 0)
@@ -445,9 +444,14 @@ static void diolan_u2c_free(struct i2c_diolan_u2c *dev)
static int diolan_u2c_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
+ struct usb_host_interface *hostif = interface->cur_altsetting;
struct i2c_diolan_u2c *dev;
int ret;
+ if (hostif->desc.bInterfaceNumber != 0
+ || hostif->desc.bNumEndpoints < 2)
+ return -ENODEV;
+
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
@@ -455,6 +459,8 @@ static int diolan_u2c_probe(struct usb_interface *interface,
ret = -ENOMEM;
goto error;
}
+ dev->ep_out = hostif->endpoint[0].desc.bEndpointAddress;
+ dev->ep_in = hostif->endpoint[1].desc.bEndpointAddress;
dev->usb_dev = usb_get_dev(interface_to_usbdev(interface));
dev->interface = interface;
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 1d7efa3169cd..d0cfbb4cb964 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -312,7 +312,9 @@ static int i2c_imx_start(struct imx_i2c_struct *i2c_imx)
dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
- clk_prepare_enable(i2c_imx->clk);
+ result = clk_prepare_enable(i2c_imx->clk);
+ if (result)
+ return result;
imx_i2c_write_reg(i2c_imx->ifdr, i2c_imx, IMX_I2C_IFDR);
/* Enable I2C controller */
imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index a6a891d7970d..90dcc2eaac5f 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -266,13 +266,13 @@ static const u8 reg_map_ip_v2[] = {
static inline void omap_i2c_write_reg(struct omap_i2c_dev *i2c_dev,
int reg, u16 val)
{
- __raw_writew(val, i2c_dev->base +
+ writew_relaxed(val, i2c_dev->base +
(i2c_dev->regs[reg] << i2c_dev->reg_shift));
}
static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg)
{
- return __raw_readw(i2c_dev->base +
+ return readw_relaxed(i2c_dev->base +
(i2c_dev->regs[reg] << i2c_dev->reg_shift));
}
@@ -1037,6 +1037,20 @@ static const struct i2c_algorithm omap_i2c_algo = {
};
#ifdef CONFIG_OF
+static struct omap_i2c_bus_platform_data omap2420_pdata = {
+ .rev = OMAP_I2C_IP_VERSION_1,
+ .flags = OMAP_I2C_FLAG_NO_FIFO |
+ OMAP_I2C_FLAG_SIMPLE_CLOCK |
+ OMAP_I2C_FLAG_16BIT_DATA_REG |
+ OMAP_I2C_FLAG_BUS_SHIFT_2,
+};
+
+static struct omap_i2c_bus_platform_data omap2430_pdata = {
+ .rev = OMAP_I2C_IP_VERSION_1,
+ .flags = OMAP_I2C_FLAG_BUS_SHIFT_2 |
+ OMAP_I2C_FLAG_FORCE_19200_INT_CLK,
+};
+
static struct omap_i2c_bus_platform_data omap3_pdata = {
.rev = OMAP_I2C_IP_VERSION_1,
.flags = OMAP_I2C_FLAG_BUS_SHIFT_2,
@@ -1055,6 +1069,14 @@ static const struct of_device_id omap_i2c_of_match[] = {
.compatible = "ti,omap3-i2c",
.data = &omap3_pdata,
},
+ {
+ .compatible = "ti,omap2430-i2c",
+ .data = &omap2430_pdata,
+ },
+ {
+ .compatible = "ti,omap2420-i2c",
+ .data = &omap2420_pdata,
+ },
{ },
};
MODULE_DEVICE_TABLE(of, omap_i2c_of_match);
@@ -1140,9 +1162,9 @@ omap_i2c_probe(struct platform_device *pdev)
* Read the Rev hi bit-[15:14] ie scheme this is 1 indicates ver2.
* On omap1/3/2 Offset 4 is IE Reg the bit [15:14] is 0 at reset.
* Also since the omap_i2c_read_reg uses reg_map_ip_* a
- * raw_readw is done.
+ * readw_relaxed is done.
*/
- rev = __raw_readw(dev->base + 0x04);
+ rev = readw_relaxed(dev->base + 0x04);
dev->scheme = OMAP_I2C_SCHEME(rev);
switch (dev->scheme) {
diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 797e3117bef7..2d0847b6be62 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -139,6 +139,8 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
priv->adap.algo = &priv->algo;
priv->adap.algo_data = priv;
priv->adap.dev.parent = &parent->dev;
+ priv->adap.retries = parent->retries;
+ priv->adap.timeout = parent->timeout;
/* Sanity check on class */
if (i2c_mux_parent_classes(parent) & class)
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index cbd4e9abc47e..797ed29a36ea 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -123,7 +123,7 @@ static struct cpuidle_state *cpuidle_state_table;
* which is also the index into the MWAIT hint array.
* Thus C0 is a dummy.
*/
-static struct cpuidle_state nehalem_cstates[] __initdata = {
+static struct cpuidle_state nehalem_cstates[] = {
{
.name = "C1-NHM",
.desc = "MWAIT 0x00",
@@ -156,7 +156,7 @@ static struct cpuidle_state nehalem_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state snb_cstates[] __initdata = {
+static struct cpuidle_state snb_cstates[] = {
{
.name = "C1-SNB",
.desc = "MWAIT 0x00",
@@ -196,7 +196,7 @@ static struct cpuidle_state snb_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state ivb_cstates[] __initdata = {
+static struct cpuidle_state ivb_cstates[] = {
{
.name = "C1-IVB",
.desc = "MWAIT 0x00",
@@ -236,7 +236,7 @@ static struct cpuidle_state ivb_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state hsw_cstates[] __initdata = {
+static struct cpuidle_state hsw_cstates[] = {
{
.name = "C1-HSW",
.desc = "MWAIT 0x00",
@@ -297,7 +297,7 @@ static struct cpuidle_state hsw_cstates[] __initdata = {
.enter = NULL }
};
-static struct cpuidle_state atom_cstates[] __initdata = {
+static struct cpuidle_state atom_cstates[] = {
{
.name = "C1E-ATM",
.desc = "MWAIT 0x00",
@@ -329,7 +329,7 @@ static struct cpuidle_state atom_cstates[] __initdata = {
{
.enter = NULL }
};
-static struct cpuidle_state avn_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state avn_cstates[] = {
{
.name = "C1-AVN",
.desc = "MWAIT 0x00",
@@ -340,10 +340,12 @@ static struct cpuidle_state avn_cstates[CPUIDLE_STATE_MAX] = {
{
.name = "C6-AVN",
.desc = "MWAIT 0x51",
- .flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x51) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 15,
.target_residency = 45,
.enter = &intel_idle },
+ {
+ .enter = NULL }
};
/**
@@ -377,6 +379,9 @@ static int intel_idle(struct cpuidle_device *dev,
if (!current_set_polling_and_test()) {
+ if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR))
+ clflush((void *)&current_thread_info()->flags);
+
__monitor((void *)&current_thread_info()->flags, 0, 0);
smp_mb();
if (!need_resched())
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index dcda17395c4e..1cae4e920c9b 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -350,7 +350,7 @@ static int hid_accel_3d_probe(struct platform_device *pdev)
error_iio_unreg:
iio_device_unregister(indio_dev);
error_remove_trigger:
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&accel_state->common_attributes);
error_unreg_buffer_funcs:
iio_triggered_buffer_cleanup(indio_dev);
error_free_dev_mem:
@@ -363,10 +363,11 @@ static int hid_accel_3d_remove(struct platform_device *pdev)
{
struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
+ struct accel_3d_state *accel_state = iio_priv(indio_dev);
sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_ACCEL_3D);
iio_device_unregister(indio_dev);
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&accel_state->common_attributes);
iio_triggered_buffer_cleanup(indio_dev);
kfree(indio_dev->channels);
diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c
index d72118d1189c..98ba761cbb9c 100644
--- a/drivers/iio/accel/kxsd9.c
+++ b/drivers/iio/accel/kxsd9.c
@@ -112,9 +112,10 @@ static int kxsd9_read(struct iio_dev *indio_dev, u8 address)
mutex_lock(&st->buf_lock);
st->tx[0] = KXSD9_READ(address);
ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));
- if (ret)
- return ret;
- return (((u16)(st->rx[0])) << 8) | (st->rx[1] & 0xF0);
+ if (!ret)
+ ret = (((u16)(st->rx[0])) << 8) | (st->rx[1] & 0xF0);
+ mutex_unlock(&st->buf_lock);
+ return ret;
}
static IIO_CONST_ATTR(accel_scale_available,
diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c
index acb7f90359a3..749a6cadab8b 100644
--- a/drivers/iio/adc/ad7887.c
+++ b/drivers/iio/adc/ad7887.c
@@ -200,7 +200,13 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = {
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = 1,
.scan_index = 1,
- .scan_type = IIO_ST('u', 12, 16, 0),
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 12,
+ .storagebits = 16,
+ .shift = 0,
+ .endianness = IIO_BE,
+ },
},
.channel[1] = {
.type = IIO_VOLTAGE,
@@ -210,7 +216,13 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = {
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = 0,
.scan_index = 0,
- .scan_type = IIO_ST('u', 12, 16, 0),
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 12,
+ .storagebits = 16,
+ .shift = 0,
+ .endianness = IIO_BE,
+ },
},
.channel[2] = IIO_CHAN_SOFT_TIMESTAMP(2),
.int_vref_mv = 2500,
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 17df74908db1..5b1aa027c034 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -1047,6 +1047,7 @@ static int at91_adc_probe(struct platform_device *pdev)
} else {
if (!st->caps->has_tsmr) {
dev_err(&pdev->dev, "We don't support non-TSMR adc\n");
+ ret = -ENODEV;
goto error_disable_adc_clk;
}
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 12948325431c..c8c1baaec6c1 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -88,10 +88,10 @@ static const int mcp3422_sample_rates[4] = {
/* sample rates to sign extension table */
static const int mcp3422_sign_extend[4] = {
- [MCP3422_SRATE_240] = 12,
- [MCP3422_SRATE_60] = 14,
- [MCP3422_SRATE_15] = 16,
- [MCP3422_SRATE_3] = 18 };
+ [MCP3422_SRATE_240] = 11,
+ [MCP3422_SRATE_60] = 13,
+ [MCP3422_SRATE_15] = 15,
+ [MCP3422_SRATE_3] = 17 };
/* Client data (each client gets its own) */
struct mcp3422 {
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 728411ec7642..d4d748214e4b 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -229,12 +229,15 @@ static int tiadc_iio_buffered_hardware_setup(struct iio_dev *indio_dev,
unsigned long flags,
const struct iio_buffer_setup_ops *setup_ops)
{
+ struct iio_buffer *buffer;
int ret;
- indio_dev->buffer = iio_kfifo_allocate(indio_dev);
- if (!indio_dev->buffer)
+ buffer = iio_kfifo_allocate(indio_dev);
+ if (!buffer)
return -ENOMEM;
+ iio_device_attach_buffer(indio_dev, buffer);
+
ret = request_threaded_irq(irq, pollfunc_th, pollfunc_bh,
flags, indio_dev->name, indio_dev);
if (ret)
diff --git a/drivers/iio/common/hid-sensors/Kconfig b/drivers/iio/common/hid-sensors/Kconfig
index 1178121b55b0..39188b72cd3b 100644
--- a/drivers/iio/common/hid-sensors/Kconfig
+++ b/drivers/iio/common/hid-sensors/Kconfig
@@ -25,13 +25,4 @@ config HID_SENSOR_IIO_TRIGGER
If this driver is compiled as a module, it will be named
hid-sensor-trigger.
-config HID_SENSOR_ENUM_BASE_QUIRKS
- bool "ENUM base quirks for HID Sensor IIO drivers"
- depends on HID_SENSOR_IIO_COMMON
- help
- Say yes here to build support for sensor hub FW using
- enumeration, which is using 1 as base instead of 0.
- Since logical minimum is still set 0 instead of 1,
- there is no easy way to differentiate.
-
endmenu
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index b6e77e0fc420..7dcf83998e6f 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -33,33 +33,42 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig,
{
struct hid_sensor_common *st = iio_trigger_get_drvdata(trig);
int state_val;
+ int report_val;
if (state) {
if (sensor_hub_device_open(st->hsdev))
return -EIO;
- } else
+ state_val =
+ HID_USAGE_SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM;
+ report_val =
+ HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM;
+
+ } else {
sensor_hub_device_close(st->hsdev);
+ state_val =
+ HID_USAGE_SENSOR_PROP_POWER_STATE_D4_POWER_OFF_ENUM;
+ report_val =
+ HID_USAGE_SENSOR_PROP_REPORTING_STATE_NO_EVENTS_ENUM;
+ }
- state_val = state ? 1 : 0;
- if (IS_ENABLED(CONFIG_HID_SENSOR_ENUM_BASE_QUIRKS))
- ++state_val;
st->data_ready = state;
+ state_val += st->power_state.logical_minimum;
+ report_val += st->report_state.logical_minimum;
sensor_hub_set_feature(st->hsdev, st->power_state.report_id,
st->power_state.index,
(s32)state_val);
sensor_hub_set_feature(st->hsdev, st->report_state.report_id,
st->report_state.index,
- (s32)state_val);
+ (s32)report_val);
return 0;
}
-void hid_sensor_remove_trigger(struct iio_dev *indio_dev)
+void hid_sensor_remove_trigger(struct hid_sensor_common *attrb)
{
- iio_trigger_unregister(indio_dev->trig);
- iio_trigger_free(indio_dev->trig);
- indio_dev->trig = NULL;
+ iio_trigger_unregister(attrb->trigger);
+ iio_trigger_free(attrb->trigger);
}
EXPORT_SYMBOL(hid_sensor_remove_trigger);
@@ -90,7 +99,7 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
dev_err(&indio_dev->dev, "Trigger Register Failed\n");
goto error_free_trig;
}
- indio_dev->trig = trig;
+ indio_dev->trig = attrb->trigger = trig;
return ret;
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.h b/drivers/iio/common/hid-sensors/hid-sensor-trigger.h
index 9a8731478eda..ca02f7811aa8 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.h
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.h
@@ -21,6 +21,6 @@
int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
struct hid_sensor_common *attrb);
-void hid_sensor_remove_trigger(struct iio_dev *indio_dev);
+void hid_sensor_remove_trigger(struct hid_sensor_common *attrb);
#endif
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index ea01c6bcfb56..e54f0f4959d3 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -348,7 +348,7 @@ static int hid_gyro_3d_probe(struct platform_device *pdev)
error_iio_unreg:
iio_device_unregister(indio_dev);
error_remove_trigger:
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&gyro_state->common_attributes);
error_unreg_buffer_funcs:
iio_triggered_buffer_cleanup(indio_dev);
error_free_dev_mem:
@@ -361,10 +361,11 @@ static int hid_gyro_3d_remove(struct platform_device *pdev)
{
struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
+ struct gyro_3d_state *gyro_state = iio_priv(indio_dev);
sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_GYRO_3D);
iio_device_unregister(indio_dev);
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&gyro_state->common_attributes);
iio_triggered_buffer_cleanup(indio_dev);
kfree(indio_dev->channels);
diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index 3fb7757a1028..368660dfe135 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -651,7 +651,12 @@ static const struct iio_chan_spec adis16448_channels[] = {
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = ADIS16448_BARO_OUT,
.scan_index = ADIS16400_SCAN_BARO,
- .scan_type = IIO_ST('s', 16, 16, 0),
+ .scan_type = {
+ .sign = 's',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_BE,
+ },
},
ADIS16400_TEMP_CHAN(ADIS16448_TEMP_OUT, 12),
IIO_CHAN_SOFT_TIMESTAMP(11)
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index f98c2b509254..a022f27c6690 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -43,6 +43,7 @@ config GP2AP020A00F
depends on I2C
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
+ select IRQ_WORK
help
Say Y here if you have a Sharp GP2AP020A00F proximity/ALS combo-chip
hooked to an I2C bus.
@@ -81,6 +82,8 @@ config SENSORS_LM3533
config TCS3472
tristate "TAOS TCS3472 color light-to-digital converter"
depends on I2C
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
If you say yes here you get support for the TAOS TCS3472
family of color light-to-digital converters with IR filter.
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index 21df57130018..0922e39b0ea9 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -387,7 +387,7 @@ static int cm36651_read_int_time(struct cm36651_data *cm36651,
return -EINVAL;
}
- return IIO_VAL_INT_PLUS_MICRO;
+ return IIO_VAL_INT;
}
static int cm36651_write_int_time(struct cm36651_data *cm36651,
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index fa6ae8cf89ea..8e8b9d722853 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -314,7 +314,7 @@ static int hid_als_probe(struct platform_device *pdev)
error_iio_unreg:
iio_device_unregister(indio_dev);
error_remove_trigger:
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&als_state->common_attributes);
error_unreg_buffer_funcs:
iio_triggered_buffer_cleanup(indio_dev);
error_free_dev_mem:
@@ -327,10 +327,11 @@ static int hid_als_remove(struct platform_device *pdev)
{
struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
+ struct als_state *als_state = iio_priv(indio_dev);
sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_ALS);
iio_device_unregister(indio_dev);
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&als_state->common_attributes);
iio_triggered_buffer_cleanup(indio_dev);
kfree(indio_dev->channels);
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index 0cf09637b35b..d86d226dcd67 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -19,6 +19,8 @@ config AK8975
config MAG3110
tristate "Freescale MAG3110 3-Axis Magnetometer"
depends on I2C
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for the Freescale MAG3110 3-Axis
magnetometer.
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index 2634920562fb..b26e1028a0a0 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -351,7 +351,7 @@ static int hid_magn_3d_probe(struct platform_device *pdev)
error_iio_unreg:
iio_device_unregister(indio_dev);
error_remove_trigger:
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&magn_state->common_attributes);
error_unreg_buffer_funcs:
iio_triggered_buffer_cleanup(indio_dev);
error_free_dev_mem:
@@ -364,10 +364,11 @@ static int hid_magn_3d_remove(struct platform_device *pdev)
{
struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
+ struct magn_3d_state *magn_state = iio_priv(indio_dev);
sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_COMPASS_3D);
iio_device_unregister(indio_dev);
- hid_sensor_remove_trigger(indio_dev);
+ hid_sensor_remove_trigger(&magn_state->common_attributes);
iio_triggered_buffer_cleanup(indio_dev);
kfree(indio_dev->channels);
diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index 783c5b417356..becf54496967 100644
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -250,7 +250,12 @@ done:
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ) | \
BIT(IIO_CHAN_INFO_SCALE), \
.scan_index = idx, \
- .scan_type = IIO_ST('s', 16, 16, IIO_BE), \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_BE, \
+ }, \
}
static const struct iio_chan_spec mag3110_channels[] = {
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index c47c2034ca71..0717940ec3b5 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -181,9 +181,16 @@ static void add_ref(struct iw_cm_id *cm_id)
static void rem_ref(struct iw_cm_id *cm_id)
{
struct iwcm_id_private *cm_id_priv;
+ int cb_destroy;
+
cm_id_priv = container_of(cm_id, struct iwcm_id_private, id);
- if (iwcm_deref_id(cm_id_priv) &&
- test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags)) {
+
+ /*
+ * Test bit before deref in case the cm_id gets freed on another
+ * thread.
+ */
+ cb_destroy = test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags);
+ if (iwcm_deref_id(cm_id_priv) && cb_destroy) {
BUG_ON(!list_empty(&cm_id_priv->work_list));
free_cm_id(cm_id_priv);
}
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index bdc842e9faef..a283274a5a09 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -49,12 +49,20 @@
#define INIT_UDATA(udata, ibuf, obuf, ilen, olen) \
do { \
- (udata)->inbuf = (void __user *) (ibuf); \
+ (udata)->inbuf = (const void __user *) (ibuf); \
(udata)->outbuf = (void __user *) (obuf); \
(udata)->inlen = (ilen); \
(udata)->outlen = (olen); \
} while (0)
+#define INIT_UDATA_BUF_OR_NULL(udata, ibuf, obuf, ilen, olen) \
+ do { \
+ (udata)->inbuf = (ilen) ? (const void __user *) (ibuf) : NULL; \
+ (udata)->outbuf = (olen) ? (void __user *) (obuf) : NULL; \
+ (udata)->inlen = (ilen); \
+ (udata)->outlen = (olen); \
+ } while (0)
+
/*
* Our lifetime rules for these structs are the following:
*
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 65f6e7dc380c..f1cc83855af6 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2593,6 +2593,9 @@ out_put:
static int kern_spec_to_ib_spec(struct ib_uverbs_flow_spec *kern_spec,
union ib_flow_spec *ib_spec)
{
+ if (kern_spec->reserved)
+ return -EINVAL;
+
ib_spec->type = kern_spec->type;
switch (ib_spec->type) {
@@ -2646,6 +2649,9 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
void *ib_spec;
int i;
+ if (ucore->inlen < sizeof(cmd))
+ return -EINVAL;
+
if (ucore->outlen < sizeof(resp))
return -ENOSPC;
@@ -2671,6 +2677,10 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
(cmd.flow_attr.num_of_specs * sizeof(struct ib_uverbs_flow_spec)))
return -EINVAL;
+ if (cmd.flow_attr.reserved[0] ||
+ cmd.flow_attr.reserved[1])
+ return -EINVAL;
+
if (cmd.flow_attr.num_of_specs) {
kern_flow_attr = kmalloc(sizeof(*kern_flow_attr) + cmd.flow_attr.size,
GFP_KERNEL);
@@ -2731,6 +2741,7 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
if (cmd.flow_attr.size || (i != flow_attr->num_of_specs)) {
pr_warn("create flow failed, flow %d: %d bytes left from uverb cmd\n",
i, cmd.flow_attr.size);
+ err = -EINVAL;
goto err_free;
}
flow_id = ib_create_flow(qp, flow_attr, IB_FLOW_DOMAIN_USER);
@@ -2791,10 +2802,16 @@ int ib_uverbs_ex_destroy_flow(struct ib_uverbs_file *file,
struct ib_uobject *uobj;
int ret;
+ if (ucore->inlen < sizeof(cmd))
+ return -EINVAL;
+
ret = ib_copy_from_udata(&cmd, ucore, sizeof(cmd));
if (ret)
return ret;
+ if (cmd.comp_mask)
+ return -EINVAL;
+
uobj = idr_write_uobj(&ib_uverbs_rule_idr, cmd.flow_handle,
file->ucontext);
if (!uobj)
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 34386943ebcf..08219fb3338b 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -668,25 +668,30 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
if ((hdr.in_words + ex_hdr.provider_in_words) * 8 != count)
return -EINVAL;
+ if (ex_hdr.cmd_hdr_reserved)
+ return -EINVAL;
+
if (ex_hdr.response) {
if (!hdr.out_words && !ex_hdr.provider_out_words)
return -EINVAL;
+
+ if (!access_ok(VERIFY_WRITE,
+ (void __user *) (unsigned long) ex_hdr.response,
+ (hdr.out_words + ex_hdr.provider_out_words) * 8))
+ return -EFAULT;
} else {
if (hdr.out_words || ex_hdr.provider_out_words)
return -EINVAL;
}
- INIT_UDATA(&ucore,
- (hdr.in_words) ? buf : 0,
- (unsigned long)ex_hdr.response,
- hdr.in_words * 8,
- hdr.out_words * 8);
-
- INIT_UDATA(&uhw,
- (ex_hdr.provider_in_words) ? buf + ucore.inlen : 0,
- (ex_hdr.provider_out_words) ? (unsigned long)ex_hdr.response + ucore.outlen : 0,
- ex_hdr.provider_in_words * 8,
- ex_hdr.provider_out_words * 8);
+ INIT_UDATA_BUF_OR_NULL(&ucore, buf, (unsigned long) ex_hdr.response,
+ hdr.in_words * 8, hdr.out_words * 8);
+
+ INIT_UDATA_BUF_OR_NULL(&uhw,
+ buf + ucore.inlen,
+ (unsigned long) ex_hdr.response + ucore.outlen,
+ ex_hdr.provider_in_words * 8,
+ ex_hdr.provider_out_words * 8);
err = uverbs_ex_cmd_table[command](file,
&ucore,
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 12fef76c791c..45126879ad28 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -524,50 +524,6 @@ static int send_abort(struct c4iw_ep *ep, struct sk_buff *skb, gfp_t gfp)
return c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t);
}
-#define VLAN_NONE 0xfff
-#define FILTER_SEL_VLAN_NONE 0xffff
-#define FILTER_SEL_WIDTH_P_FC (3+1) /* port uses 3 bits, FCoE one bit */
-#define FILTER_SEL_WIDTH_VIN_P_FC \
- (6 + 7 + FILTER_SEL_WIDTH_P_FC) /* 6 bits are unused, VF uses 7 bits*/
-#define FILTER_SEL_WIDTH_TAG_P_FC \
- (3 + FILTER_SEL_WIDTH_VIN_P_FC) /* PF uses 3 bits */
-#define FILTER_SEL_WIDTH_VLD_TAG_P_FC (1 + FILTER_SEL_WIDTH_TAG_P_FC)
-
-static unsigned int select_ntuple(struct c4iw_dev *dev, struct dst_entry *dst,
- struct l2t_entry *l2t)
-{
- unsigned int ntuple = 0;
- u32 viid;
-
- switch (dev->rdev.lldi.filt_mode) {
-
- /* default filter mode */
- case HW_TPL_FR_MT_PR_IV_P_FC:
- if (l2t->vlan == VLAN_NONE)
- ntuple |= FILTER_SEL_VLAN_NONE << FILTER_SEL_WIDTH_P_FC;
- else {
- ntuple |= l2t->vlan << FILTER_SEL_WIDTH_P_FC;
- ntuple |= 1 << FILTER_SEL_WIDTH_TAG_P_FC;
- }
- ntuple |= l2t->lport << S_PORT | IPPROTO_TCP <<
- FILTER_SEL_WIDTH_VLD_TAG_P_FC;
- break;
- case HW_TPL_FR_MT_PR_OV_P_FC: {
- viid = cxgb4_port_viid(l2t->neigh->dev);
-
- ntuple |= FW_VIID_VIN_GET(viid) << FILTER_SEL_WIDTH_P_FC;
- ntuple |= FW_VIID_PFN_GET(viid) << FILTER_SEL_WIDTH_VIN_P_FC;
- ntuple |= FW_VIID_VIVLD_GET(viid) << FILTER_SEL_WIDTH_TAG_P_FC;
- ntuple |= l2t->lport << S_PORT | IPPROTO_TCP <<
- FILTER_SEL_WIDTH_VLD_TAG_P_FC;
- break;
- }
- default:
- break;
- }
- return ntuple;
-}
-
static int send_connect(struct c4iw_ep *ep)
{
struct cpl_act_open_req *req;
@@ -641,8 +597,9 @@ static int send_connect(struct c4iw_ep *ep)
req->local_ip = la->sin_addr.s_addr;
req->peer_ip = ra->sin_addr.s_addr;
req->opt0 = cpu_to_be64(opt0);
- req->params = cpu_to_be32(select_ntuple(ep->com.dev,
- ep->dst, ep->l2t));
+ req->params = cpu_to_be32(cxgb4_select_ntuple(
+ ep->com.dev->rdev.lldi.ports[0],
+ ep->l2t));
req->opt2 = cpu_to_be32(opt2);
} else {
req6 = (struct cpl_act_open_req6 *)skb_put(skb, wrlen);
@@ -662,9 +619,9 @@ static int send_connect(struct c4iw_ep *ep)
req6->peer_ip_lo = *((__be64 *)
(ra6->sin6_addr.s6_addr + 8));
req6->opt0 = cpu_to_be64(opt0);
- req6->params = cpu_to_be32(
- select_ntuple(ep->com.dev, ep->dst,
- ep->l2t));
+ req6->params = cpu_to_be32(cxgb4_select_ntuple(
+ ep->com.dev->rdev.lldi.ports[0],
+ ep->l2t));
req6->opt2 = cpu_to_be32(opt2);
}
} else {
@@ -681,8 +638,9 @@ static int send_connect(struct c4iw_ep *ep)
t5_req->peer_ip = ra->sin_addr.s_addr;
t5_req->opt0 = cpu_to_be64(opt0);
t5_req->params = cpu_to_be64(V_FILTER_TUPLE(
- select_ntuple(ep->com.dev,
- ep->dst, ep->l2t)));
+ cxgb4_select_ntuple(
+ ep->com.dev->rdev.lldi.ports[0],
+ ep->l2t)));
t5_req->opt2 = cpu_to_be32(opt2);
} else {
t5_req6 = (struct cpl_t5_act_open_req6 *)
@@ -703,7 +661,9 @@ static int send_connect(struct c4iw_ep *ep)
(ra6->sin6_addr.s6_addr + 8));
t5_req6->opt0 = cpu_to_be64(opt0);
t5_req6->params = (__force __be64)cpu_to_be32(
- select_ntuple(ep->com.dev, ep->dst, ep->l2t));
+ cxgb4_select_ntuple(
+ ep->com.dev->rdev.lldi.ports[0],
+ ep->l2t));
t5_req6->opt2 = cpu_to_be32(opt2);
}
}
@@ -1630,7 +1590,8 @@ static void send_fw_act_open_req(struct c4iw_ep *ep, unsigned int atid)
memset(req, 0, sizeof(*req));
req->op_compl = htonl(V_WR_OP(FW_OFLD_CONNECTION_WR));
req->len16_pkd = htonl(FW_WR_LEN16(DIV_ROUND_UP(sizeof(*req), 16)));
- req->le.filter = cpu_to_be32(select_ntuple(ep->com.dev, ep->dst,
+ req->le.filter = cpu_to_be32(cxgb4_select_ntuple(
+ ep->com.dev->rdev.lldi.ports[0],
ep->l2t));
sin = (struct sockaddr_in *)&ep->com.local_addr;
req->le.lport = sin->sin_port;
@@ -2938,7 +2899,8 @@ int c4iw_create_listen(struct iw_cm_id *cm_id, int backlog)
/*
* Allocate a server TID.
*/
- if (dev->rdev.lldi.enable_fw_ofld_conn)
+ if (dev->rdev.lldi.enable_fw_ofld_conn &&
+ ep->com.local_addr.ss_family == AF_INET)
ep->stid = cxgb4_alloc_sftid(dev->rdev.lldi.tids,
cm_id->local_addr.ss_family, ep);
else
@@ -3323,9 +3285,7 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb)
/*
* Calculate the server tid from filter hit index from cpl_rx_pkt.
*/
- stid = (__force int) cpu_to_be32((__force u32) rss->hash_val)
- - dev->rdev.lldi.tids->sftid_base
- + dev->rdev.lldi.tids->nstids;
+ stid = (__force int) cpu_to_be32((__force u32) rss->hash_val);
lep = (struct c4iw_ep *)lookup_stid(dev->rdev.lldi.tids, stid);
if (!lep) {
@@ -3397,7 +3357,9 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb)
window = (__force u16) htons((__force u16)tcph->window);
/* Calcuate filter portion for LE region. */
- filter = (__force unsigned int) cpu_to_be32(select_ntuple(dev, dst, e));
+ filter = (__force unsigned int) cpu_to_be32(cxgb4_select_ntuple(
+ dev->rdev.lldi.ports[0],
+ e));
/*
* Synthesize the cpl_pass_accept_req. We have everything except the
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 4cb8eb24497c..84e45006451c 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -173,7 +173,7 @@ static int _c4iw_write_mem_inline(struct c4iw_rdev *rdev, u32 addr, u32 len,
return ret;
}
-int _c4iw_write_mem_dma(struct c4iw_rdev *rdev, u32 addr, u32 len, void *data)
+static int _c4iw_write_mem_dma(struct c4iw_rdev *rdev, u32 addr, u32 len, void *data)
{
u32 remain = len;
u32 dmalen;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
index c29b5c838833..cdc7df4fdb8a 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
@@ -31,6 +31,7 @@
*/
#include <linux/netdevice.h>
+#include <linux/if_arp.h> /* For ARPHRD_xxx */
#include <linux/module.h>
#include <net/rtnetlink.h>
#include "ipoib.h"
@@ -103,7 +104,7 @@ static int ipoib_new_child_link(struct net *src_net, struct net_device *dev,
return -EINVAL;
pdev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
- if (!pdev)
+ if (!pdev || pdev->type != ARPHRD_INFINIBAND)
return -ENODEV;
ppriv = netdev_priv(pdev);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 6be57c38638d..9804fca6bf06 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -207,7 +207,9 @@ isert_free_rx_descriptors(struct isert_conn *isert_conn)
isert_conn->conn_rx_descs = NULL;
}
+static void isert_cq_tx_work(struct work_struct *);
static void isert_cq_tx_callback(struct ib_cq *, void *);
+static void isert_cq_rx_work(struct work_struct *);
static void isert_cq_rx_callback(struct ib_cq *, void *);
static int
@@ -259,26 +261,36 @@ isert_create_device_ib_res(struct isert_device *device)
cq_desc[i].device = device;
cq_desc[i].cq_index = i;
+ INIT_WORK(&cq_desc[i].cq_rx_work, isert_cq_rx_work);
device->dev_rx_cq[i] = ib_create_cq(device->ib_device,
isert_cq_rx_callback,
isert_cq_event_callback,
(void *)&cq_desc[i],
ISER_MAX_RX_CQ_LEN, i);
- if (IS_ERR(device->dev_rx_cq[i]))
+ if (IS_ERR(device->dev_rx_cq[i])) {
+ ret = PTR_ERR(device->dev_rx_cq[i]);
+ device->dev_rx_cq[i] = NULL;
goto out_cq;
+ }
+ INIT_WORK(&cq_desc[i].cq_tx_work, isert_cq_tx_work);
device->dev_tx_cq[i] = ib_create_cq(device->ib_device,
isert_cq_tx_callback,
isert_cq_event_callback,
(void *)&cq_desc[i],
ISER_MAX_TX_CQ_LEN, i);
- if (IS_ERR(device->dev_tx_cq[i]))
+ if (IS_ERR(device->dev_tx_cq[i])) {
+ ret = PTR_ERR(device->dev_tx_cq[i]);
+ device->dev_tx_cq[i] = NULL;
goto out_cq;
+ }
- if (ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP))
+ ret = ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP);
+ if (ret)
goto out_cq;
- if (ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP))
+ ret = ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP);
+ if (ret)
goto out_cq;
}
@@ -1724,7 +1736,6 @@ isert_cq_tx_callback(struct ib_cq *cq, void *context)
{
struct isert_cq_desc *cq_desc = (struct isert_cq_desc *)context;
- INIT_WORK(&cq_desc->cq_tx_work, isert_cq_tx_work);
queue_work(isert_comp_wq, &cq_desc->cq_tx_work);
}
@@ -1768,7 +1779,6 @@ isert_cq_rx_callback(struct ib_cq *cq, void *context)
{
struct isert_cq_desc *cq_desc = (struct isert_cq_desc *)context;
- INIT_WORK(&cq_desc->cq_rx_work, isert_cq_rx_work);
queue_work(isert_rx_wq, &cq_desc->cq_rx_work);
}
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 846ccdd905b1..d2965e4b3224 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1871,6 +1871,10 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int
break;
case EV_ABS:
+ input_alloc_absinfo(dev);
+ if (!dev->absinfo)
+ return;
+
__set_bit(code, dev->absbit);
break;
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index dbd2047f1641..3ed23513d881 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -536,7 +536,8 @@ static int adp5588_probe(struct i2c_client *client,
__set_bit(EV_REP, input->evbit);
for (i = 0; i < input->keycodemax; i++)
- __set_bit(kpad->keycode[i] & KEY_MAX, input->keybit);
+ if (kpad->keycode[i] <= KEY_MAX)
+ __set_bit(kpad->keycode[i], input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
if (kpad->gpimapsize)
diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c
index 67d12b3427c9..60dafd4fa692 100644
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -992,7 +992,8 @@ static int adp5589_probe(struct i2c_client *client,
__set_bit(EV_REP, input->evbit);
for (i = 0; i < input->keycodemax; i++)
- __set_bit(kpad->keycode[i] & KEY_MAX, input->keybit);
+ if (kpad->keycode[i] <= KEY_MAX)
+ __set_bit(kpad->keycode[i], input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
if (kpad->gpimapsize)
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index fc88fb48d70d..09b91d093087 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -289,7 +289,8 @@ static int bfin_kpad_probe(struct platform_device *pdev)
__set_bit(EV_REP, input->evbit);
for (i = 0; i < input->keycodemax; i++)
- __set_bit(bf54x_kpad->keycode[i] & KEY_MAX, input->keybit);
+ if (bf54x_kpad->keycode[i] <= KEY_MAX)
+ __set_bit(bf54x_kpad->keycode[i], input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
error = input_register_device(input);
diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c
index 0735de3a6468..1cb1da294419 100644
--- a/drivers/input/misc/adxl34x.c
+++ b/drivers/input/misc/adxl34x.c
@@ -158,7 +158,7 @@
/* ORIENT ADXL346 only */
#define ADXL346_2D_VALID (1 << 6)
-#define ADXL346_2D_ORIENT(x) (((x) & 0x3) >> 4)
+#define ADXL346_2D_ORIENT(x) (((x) & 0x30) >> 4)
#define ADXL346_3D_VALID (1 << 3)
#define ADXL346_3D_ORIENT(x) ((x) & 0x7)
#define ADXL346_2D_PORTRAIT_POS 0 /* +X */
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index 86b822806e95..45e0e3e55de2 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -180,7 +180,10 @@ static int64_t hp_sdc_rtc_read_i8042timer (uint8_t loadcmd, int numreg)
if (WARN_ON(down_interruptible(&i8042tregs)))
return -1;
- if (hp_sdc_enqueue_transaction(&t)) return -1;
+ if (hp_sdc_enqueue_transaction(&t)) {
+ up(&i8042tregs);
+ return -1;
+ }
/* Sleep until results come back. */
if (WARN_ON(down_interruptible(&i8042tregs)))
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index e37392976fdd..0deca5a3c87f 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -113,9 +113,12 @@ static int pcf8574_kp_probe(struct i2c_client *client, const struct i2c_device_i
idev->keycodemax = ARRAY_SIZE(lp->btncode);
for (i = 0; i < ARRAY_SIZE(pcf8574_kp_btncode); i++) {
- lp->btncode[i] = pcf8574_kp_btncode[i];
- __set_bit(lp->btncode[i] & KEY_MAX, idev->keybit);
+ if (lp->btncode[i] <= KEY_MAX) {
+ lp->btncode[i] = pcf8574_kp_btncode[i];
+ __set_bit(lp->btncode[i], idev->keybit);
+ }
}
+ __clear_bit(KEY_RESERVED, idev->keybit);
sprintf(lp->name, DRV_NAME);
sprintf(lp->phys, "kp_data/input0");
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index ca7a26f1dce8..5cf62e315218 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -70,6 +70,25 @@ static const struct alps_nibble_commands alps_v4_nibble_commands[] = {
{ PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */
};
+static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
+ { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */
+ { PSMOUSE_CMD_SETRATE, 0x0a }, /* 1 */
+ { PSMOUSE_CMD_SETRATE, 0x14 }, /* 2 */
+ { PSMOUSE_CMD_SETRATE, 0x28 }, /* 3 */
+ { PSMOUSE_CMD_SETRATE, 0x3c }, /* 4 */
+ { PSMOUSE_CMD_SETRATE, 0x50 }, /* 5 */
+ { PSMOUSE_CMD_SETRATE, 0x64 }, /* 6 */
+ { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 7 */
+ { PSMOUSE_CMD_GETID, 0x00 }, /* 8 */
+ { PSMOUSE_CMD_GETINFO, 0x00 }, /* 9 */
+ { PSMOUSE_CMD_SETRES, 0x00 }, /* a */
+ { PSMOUSE_CMD_SETRES, 0x01 }, /* b */
+ { PSMOUSE_CMD_SETRES, 0x02 }, /* c */
+ { PSMOUSE_CMD_SETRES, 0x03 }, /* d */
+ { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* e */
+ { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */
+};
+
#define ALPS_DUALPOINT 0x02 /* touchpad has trackstick */
#define ALPS_PASS 0x04 /* device has a pass-through port */
@@ -103,6 +122,7 @@ static const struct alps_model_info alps_model_data[] = {
/* Dell Latitude E5500, E6400, E6500, Precision M4400 */
{ { 0x62, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf,
ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
+ { { 0x73, 0x00, 0x14 }, 0x00, ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT }, /* Dell XT2 */
{ { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */
{ { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff,
ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */
@@ -645,6 +665,76 @@ static void alps_process_packet_v3(struct psmouse *psmouse)
alps_process_touchpad_packet_v3(psmouse);
}
+static void alps_process_packet_v6(struct psmouse *psmouse)
+{
+ struct alps_data *priv = psmouse->private;
+ unsigned char *packet = psmouse->packet;
+ struct input_dev *dev = psmouse->dev;
+ struct input_dev *dev2 = priv->dev2;
+ int x, y, z, left, right, middle;
+
+ /*
+ * We can use Byte5 to distinguish if the packet is from Touchpad
+ * or Trackpoint.
+ * Touchpad: 0 - 0x7E
+ * Trackpoint: 0x7F
+ */
+ if (packet[5] == 0x7F) {
+ /* It should be a DualPoint when received Trackpoint packet */
+ if (!(priv->flags & ALPS_DUALPOINT))
+ return;
+
+ /* Trackpoint packet */
+ x = packet[1] | ((packet[3] & 0x20) << 2);
+ y = packet[2] | ((packet[3] & 0x40) << 1);
+ z = packet[4];
+ left = packet[3] & 0x01;
+ right = packet[3] & 0x02;
+ middle = packet[3] & 0x04;
+
+ /* To prevent the cursor jump when finger lifted */
+ if (x == 0x7F && y == 0x7F && z == 0x7F)
+ x = y = z = 0;
+
+ /* Divide 4 since trackpoint's speed is too fast */
+ input_report_rel(dev2, REL_X, (char)x / 4);
+ input_report_rel(dev2, REL_Y, -((char)y / 4));
+
+ input_report_key(dev2, BTN_LEFT, left);
+ input_report_key(dev2, BTN_RIGHT, right);
+ input_report_key(dev2, BTN_MIDDLE, middle);
+
+ input_sync(dev2);
+ return;
+ }
+
+ /* Touchpad packet */
+ x = packet[1] | ((packet[3] & 0x78) << 4);
+ y = packet[2] | ((packet[4] & 0x78) << 4);
+ z = packet[5];
+ left = packet[3] & 0x01;
+ right = packet[3] & 0x02;
+
+ if (z > 30)
+ input_report_key(dev, BTN_TOUCH, 1);
+ if (z < 25)
+ input_report_key(dev, BTN_TOUCH, 0);
+
+ if (z > 0) {
+ input_report_abs(dev, ABS_X, x);
+ input_report_abs(dev, ABS_Y, y);
+ }
+
+ input_report_abs(dev, ABS_PRESSURE, z);
+ input_report_key(dev, BTN_TOOL_FINGER, z > 0);
+
+ /* v6 touchpad does not have middle button */
+ input_report_key(dev, BTN_LEFT, left);
+ input_report_key(dev, BTN_RIGHT, right);
+
+ input_sync(dev);
+}
+
static void alps_process_packet_v4(struct psmouse *psmouse)
{
struct alps_data *priv = psmouse->private;
@@ -897,7 +987,7 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
}
/* Bytes 2 - pktsize should have 0 in the highest bit */
- if (priv->proto_version != ALPS_PROTO_V5 &&
+ if ((priv->proto_version < ALPS_PROTO_V5) &&
psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize &&
(psmouse->packet[psmouse->pktcnt - 1] & 0x80)) {
psmouse_dbg(psmouse, "refusing packet[%i] = %x\n",
@@ -1085,6 +1175,80 @@ static int alps_absolute_mode_v1_v2(struct psmouse *psmouse)
return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL);
}
+static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word)
+{
+ int i, nibble;
+
+ /*
+ * b0-b11 are valid bits, send sequence is inverse.
+ * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1
+ */
+ for (i = 0; i <= 8; i += 4) {
+ nibble = (word >> i) & 0xf;
+ if (alps_command_mode_send_nibble(psmouse, nibble))
+ return -1;
+ }
+
+ return 0;
+}
+
+static int alps_monitor_mode_write_reg(struct psmouse *psmouse,
+ u16 addr, u16 value)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+
+ /* 0x0A0 is the command to write the word */
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) ||
+ alps_monitor_mode_send_word(psmouse, 0x0A0) ||
+ alps_monitor_mode_send_word(psmouse, addr) ||
+ alps_monitor_mode_send_word(psmouse, value) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE))
+ return -1;
+
+ return 0;
+}
+
+static int alps_monitor_mode(struct psmouse *psmouse, bool enable)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+
+ if (enable) {
+ /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO))
+ return -1;
+ } else {
+ /* EC to exit monitor mode */
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP))
+ return -1;
+ }
+
+ return 0;
+}
+
+static int alps_absolute_mode_v6(struct psmouse *psmouse)
+{
+ u16 reg_val = 0x181;
+ int ret = -1;
+
+ /* enter monitor mode, to write the register */
+ if (alps_monitor_mode(psmouse, true))
+ return -1;
+
+ ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val);
+
+ if (alps_monitor_mode(psmouse, false))
+ ret = -1;
+
+ return ret;
+}
+
static int alps_get_status(struct psmouse *psmouse, char *param)
{
/* Get status: 0xF5 0xF5 0xF5 0xE9 */
@@ -1189,6 +1353,32 @@ static int alps_hw_init_v1_v2(struct psmouse *psmouse)
return 0;
}
+static int alps_hw_init_v6(struct psmouse *psmouse)
+{
+ unsigned char param[2] = {0xC8, 0x14};
+
+ /* Enter passthrough mode to let trackpoint enter 6byte raw mode */
+ if (alps_passthrough_mode_v2(psmouse, true))
+ return -1;
+
+ if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
+ ps2_command(&psmouse->ps2dev, &param[0], PSMOUSE_CMD_SETRATE) ||
+ ps2_command(&psmouse->ps2dev, &param[1], PSMOUSE_CMD_SETRATE))
+ return -1;
+
+ if (alps_passthrough_mode_v2(psmouse, false))
+ return -1;
+
+ if (alps_absolute_mode_v6(psmouse)) {
+ psmouse_err(psmouse, "Failed to enable absolute mode\n");
+ return -1;
+ }
+
+ return 0;
+}
+
/*
* Enable or disable passthrough mode to the trackstick.
*/
@@ -1553,6 +1743,8 @@ static void alps_set_defaults(struct alps_data *priv)
priv->hw_init = alps_hw_init_v1_v2;
priv->process_packet = alps_process_packet_v1_v2;
priv->set_abs_params = alps_set_abs_params_st;
+ priv->x_max = 1023;
+ priv->y_max = 767;
break;
case ALPS_PROTO_V3:
priv->hw_init = alps_hw_init_v3;
@@ -1584,6 +1776,14 @@ static void alps_set_defaults(struct alps_data *priv)
priv->x_bits = 23;
priv->y_bits = 12;
break;
+ case ALPS_PROTO_V6:
+ priv->hw_init = alps_hw_init_v6;
+ priv->process_packet = alps_process_packet_v6;
+ priv->set_abs_params = alps_set_abs_params_st;
+ priv->nibble_commands = alps_v6_nibble_commands;
+ priv->x_max = 2047;
+ priv->y_max = 1535;
+ break;
}
}
@@ -1705,8 +1905,8 @@ static void alps_disconnect(struct psmouse *psmouse)
static void alps_set_abs_params_st(struct alps_data *priv,
struct input_dev *dev1)
{
- input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0);
- input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0);
+ input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0);
+ input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0);
}
static void alps_set_abs_params_mt(struct alps_data *priv,
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index eee59853b9ce..704f0f924307 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -17,6 +17,7 @@
#define ALPS_PROTO_V3 3
#define ALPS_PROTO_V4 4
#define ALPS_PROTO_V5 5
+#define ALPS_PROTO_V6 6
/**
* struct alps_model_info - touchpad ID table
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 8551dcaf24db..597e9b8fc18d 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1313,6 +1313,7 @@ static int elantech_set_properties(struct elantech_data *etd)
break;
case 6:
case 7:
+ case 8:
etd->hw_version = 4;
break;
default:
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 98707fb2cb5d..8f4c4ab04bc2 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -455,16 +455,26 @@ static DEVICE_ATTR_RO(type);
static DEVICE_ATTR_RO(proto);
static DEVICE_ATTR_RO(id);
static DEVICE_ATTR_RO(extra);
-static DEVICE_ATTR_RO(modalias);
-static DEVICE_ATTR_WO(drvctl);
-static DEVICE_ATTR(description, S_IRUGO, serio_show_description, NULL);
-static DEVICE_ATTR(bind_mode, S_IWUSR | S_IRUGO, serio_show_bind_mode, serio_set_bind_mode);
static struct attribute *serio_device_id_attrs[] = {
&dev_attr_type.attr,
&dev_attr_proto.attr,
&dev_attr_id.attr,
&dev_attr_extra.attr,
+ NULL
+};
+
+static struct attribute_group serio_id_attr_group = {
+ .name = "id",
+ .attrs = serio_device_id_attrs,
+};
+
+static DEVICE_ATTR_RO(modalias);
+static DEVICE_ATTR_WO(drvctl);
+static DEVICE_ATTR(description, S_IRUGO, serio_show_description, NULL);
+static DEVICE_ATTR(bind_mode, S_IWUSR | S_IRUGO, serio_show_bind_mode, serio_set_bind_mode);
+
+static struct attribute *serio_device_attrs[] = {
&dev_attr_modalias.attr,
&dev_attr_description.attr,
&dev_attr_drvctl.attr,
@@ -472,13 +482,13 @@ static struct attribute *serio_device_id_attrs[] = {
NULL
};
-static struct attribute_group serio_id_attr_group = {
- .name = "id",
- .attrs = serio_device_id_attrs,
+static struct attribute_group serio_device_attr_group = {
+ .attrs = serio_device_attrs,
};
static const struct attribute_group *serio_device_attr_groups[] = {
&serio_id_attr_group,
+ &serio_device_attr_group,
NULL
};
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 00d1e547b211..961d58d32647 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -906,6 +906,17 @@ config TOUCHSCREEN_STMPE
To compile this driver as a module, choose M here: the
module will be called stmpe-ts.
+config TOUCHSCREEN_SUR40
+ tristate "Samsung SUR40 (Surface 2.0/PixelSense) touchscreen"
+ depends on USB
+ select INPUT_POLLDEV
+ help
+ Say Y here if you want support for the Samsung SUR40 touchscreen
+ (also known as Microsoft Surface 2.0 or Microsoft PixelSense).
+
+ To compile this driver as a module, choose M here: the
+ module will be called sur40.
+
config TOUCHSCREEN_TPS6507X
tristate "TPS6507x based touchscreens"
depends on I2C
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 7587883b8d38..62801f213346 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -54,6 +54,7 @@ obj-$(CONFIG_TOUCHSCREEN_PIXCIR) += pixcir_i2c_ts.o
obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o
obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o
obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o
+obj-$(CONFIG_TOUCHSCREEN_SUR40) += sur40.o
obj-$(CONFIG_TOUCHSCREEN_TI_AM335X_TSC) += ti_am335x_tsc.o
obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
diff --git a/drivers/input/touchscreen/atmel-wm97xx.c b/drivers/input/touchscreen/atmel-wm97xx.c
index 268a35e55d7f..279c0e42b8a7 100644
--- a/drivers/input/touchscreen/atmel-wm97xx.c
+++ b/drivers/input/touchscreen/atmel-wm97xx.c
@@ -391,7 +391,7 @@ static int __exit atmel_wm97xx_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM_SLEEP
-static int atmel_wm97xx_suspend(struct *dev)
+static int atmel_wm97xx_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct atmel_wm97xx *atmel_wm97xx = platform_get_drvdata(pdev);
diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
index 42d830efa316..a035a390f8e2 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c
@@ -1246,8 +1246,7 @@ static void cyttsp4_watchdog_timer(unsigned long handle)
dev_vdbg(cd->dev, "%s: Watchdog timer triggered\n", __func__);
- if (!work_pending(&cd->watchdog_work))
- schedule_work(&cd->watchdog_work);
+ schedule_work(&cd->watchdog_work);
return;
}
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
new file mode 100644
index 000000000000..f1cb05148b46
--- /dev/null
+++ b/drivers/input/touchscreen/sur40.c
@@ -0,0 +1,466 @@
+/*
+ * Surface2.0/SUR40/PixelSense input driver
+ *
+ * Copyright (c) 2013 by Florian 'floe' Echtler <floe@butterbrot.org>
+ *
+ * Derived from the USB Skeleton driver 1.1,
+ * Copyright (c) 2003 Greg Kroah-Hartman (greg@kroah.com)
+ *
+ * and from the Apple USB BCM5974 multitouch driver,
+ * Copyright (c) 2008 Henrik Rydberg (rydberg@euromail.se)
+ *
+ * and from the generic hid-multitouch driver,
+ * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/completion.h>
+#include <linux/uaccess.h>
+#include <linux/usb.h>
+#include <linux/printk.h>
+#include <linux/input-polldev.h>
+#include <linux/input/mt.h>
+#include <linux/usb/input.h>
+
+/* read 512 bytes from endpoint 0x86 -> get header + blobs */
+struct sur40_header {
+
+ __le16 type; /* always 0x0001 */
+ __le16 count; /* count of blobs (if 0: continue prev. packet) */
+
+ __le32 packet_id; /* unique ID for all packets in one frame */
+
+ __le32 timestamp; /* milliseconds (inc. by 16 or 17 each frame) */
+ __le32 unknown; /* "epoch?" always 02/03 00 00 00 */
+
+} __packed;
+
+struct sur40_blob {
+
+ __le16 blob_id;
+
+ u8 action; /* 0x02 = enter/exit, 0x03 = update (?) */
+ u8 unknown; /* always 0x01 or 0x02 (no idea what this is?) */
+
+ __le16 bb_pos_x; /* upper left corner of bounding box */
+ __le16 bb_pos_y;
+
+ __le16 bb_size_x; /* size of bounding box */
+ __le16 bb_size_y;
+
+ __le16 pos_x; /* finger tip position */
+ __le16 pos_y;
+
+ __le16 ctr_x; /* centroid position */
+ __le16 ctr_y;
+
+ __le16 axis_x; /* somehow related to major/minor axis, mostly: */
+ __le16 axis_y; /* axis_x == bb_size_y && axis_y == bb_size_x */
+
+ __le32 angle; /* orientation in radians relative to x axis -
+ actually an IEEE754 float, don't use in kernel */
+
+ __le32 area; /* size in pixels/pressure (?) */
+
+ u8 padding[32];
+
+} __packed;
+
+/* combined header/blob data */
+struct sur40_data {
+ struct sur40_header header;
+ struct sur40_blob blobs[];
+} __packed;
+
+
+/* version information */
+#define DRIVER_SHORT "sur40"
+#define DRIVER_AUTHOR "Florian 'floe' Echtler <floe@butterbrot.org>"
+#define DRIVER_DESC "Surface2.0/SUR40/PixelSense input driver"
+
+/* vendor and device IDs */
+#define ID_MICROSOFT 0x045e
+#define ID_SUR40 0x0775
+
+/* sensor resolution */
+#define SENSOR_RES_X 1920
+#define SENSOR_RES_Y 1080
+
+/* touch data endpoint */
+#define TOUCH_ENDPOINT 0x86
+
+/* polling interval (ms) */
+#define POLL_INTERVAL 10
+
+/* maximum number of contacts FIXME: this is a guess? */
+#define MAX_CONTACTS 64
+
+/* control commands */
+#define SUR40_GET_VERSION 0xb0 /* 12 bytes string */
+#define SUR40_UNKNOWN1 0xb3 /* 5 bytes */
+#define SUR40_UNKNOWN2 0xc1 /* 24 bytes */
+
+#define SUR40_GET_STATE 0xc5 /* 4 bytes state (?) */
+#define SUR40_GET_SENSORS 0xb1 /* 8 bytes sensors */
+
+/*
+ * Note: an earlier, non-public version of this driver used USB_RECIP_ENDPOINT
+ * here by mistake which is very likely to have corrupted the firmware EEPROM
+ * on two separate SUR40 devices. Thanks to Alan Stern who spotted this bug.
+ * Should you ever run into a similar problem, the background story to this
+ * incident and instructions on how to fix the corrupted EEPROM are available
+ * at https://floe.butterbrot.org/matrix/hacking/surface/brick.html
+*/
+
+struct sur40_state {
+
+ struct usb_device *usbdev;
+ struct device *dev;
+ struct input_polled_dev *input;
+
+ struct sur40_data *bulk_in_buffer;
+ size_t bulk_in_size;
+ u8 bulk_in_epaddr;
+
+ char phys[64];
+};
+
+static int sur40_command(struct sur40_state *dev,
+ u8 command, u16 index, void *buffer, u16 size)
+{
+ return usb_control_msg(dev->usbdev, usb_rcvctrlpipe(dev->usbdev, 0),
+ command,
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+ 0x00, index, buffer, size, 1000);
+}
+
+/* Initialization routine, called from sur40_open */
+static int sur40_init(struct sur40_state *dev)
+{
+ int result;
+ u8 buffer[24];
+
+ /* stupidly replay the original MS driver init sequence */
+ result = sur40_command(dev, SUR40_GET_VERSION, 0x00, buffer, 12);
+ if (result < 0)
+ return result;
+
+ result = sur40_command(dev, SUR40_GET_VERSION, 0x01, buffer, 12);
+ if (result < 0)
+ return result;
+
+ result = sur40_command(dev, SUR40_GET_VERSION, 0x02, buffer, 12);
+ if (result < 0)
+ return result;
+
+ result = sur40_command(dev, SUR40_UNKNOWN2, 0x00, buffer, 24);
+ if (result < 0)
+ return result;
+
+ result = sur40_command(dev, SUR40_UNKNOWN1, 0x00, buffer, 5);
+ if (result < 0)
+ return result;
+
+ result = sur40_command(dev, SUR40_GET_VERSION, 0x03, buffer, 12);
+
+ /*
+ * Discard the result buffer - no known data inside except
+ * some version strings, maybe extract these sometime...
+ */
+
+ return result;
+}
+
+/*
+ * Callback routines from input_polled_dev
+ */
+
+/* Enable the device, polling will now start. */
+static void sur40_open(struct input_polled_dev *polldev)
+{
+ struct sur40_state *sur40 = polldev->private;
+
+ dev_dbg(sur40->dev, "open\n");
+ sur40_init(sur40);
+}
+
+/* Disable device, polling has stopped. */
+static void sur40_close(struct input_polled_dev *polldev)
+{
+ struct sur40_state *sur40 = polldev->private;
+
+ dev_dbg(sur40->dev, "close\n");
+ /*
+ * There is no known way to stop the device, so we simply
+ * stop polling.
+ */
+}
+
+/*
+ * This function is called when a whole contact has been processed,
+ * so that it can assign it to a slot and store the data there.
+ */
+static void sur40_report_blob(struct sur40_blob *blob, struct input_dev *input)
+{
+ int wide, major, minor;
+
+ int bb_size_x = le16_to_cpu(blob->bb_size_x);
+ int bb_size_y = le16_to_cpu(blob->bb_size_y);
+
+ int pos_x = le16_to_cpu(blob->pos_x);
+ int pos_y = le16_to_cpu(blob->pos_y);
+
+ int ctr_x = le16_to_cpu(blob->ctr_x);
+ int ctr_y = le16_to_cpu(blob->ctr_y);
+
+ int slotnum = input_mt_get_slot_by_key(input, blob->blob_id);
+ if (slotnum < 0 || slotnum >= MAX_CONTACTS)
+ return;
+
+ input_mt_slot(input, slotnum);
+ input_mt_report_slot_state(input, MT_TOOL_FINGER, 1);
+ wide = (bb_size_x > bb_size_y);
+ major = max(bb_size_x, bb_size_y);
+ minor = min(bb_size_x, bb_size_y);
+
+ input_report_abs(input, ABS_MT_POSITION_X, pos_x);
+ input_report_abs(input, ABS_MT_POSITION_Y, pos_y);
+ input_report_abs(input, ABS_MT_TOOL_X, ctr_x);
+ input_report_abs(input, ABS_MT_TOOL_Y, ctr_y);
+
+ /* TODO: use a better orientation measure */
+ input_report_abs(input, ABS_MT_ORIENTATION, wide);
+ input_report_abs(input, ABS_MT_TOUCH_MAJOR, major);
+ input_report_abs(input, ABS_MT_TOUCH_MINOR, minor);
+}
+
+/* core function: poll for new input data */
+static void sur40_poll(struct input_polled_dev *polldev)
+{
+
+ struct sur40_state *sur40 = polldev->private;
+ struct input_dev *input = polldev->input;
+ int result, bulk_read, need_blobs, packet_blobs, i;
+ u32 uninitialized_var(packet_id);
+
+ struct sur40_header *header = &sur40->bulk_in_buffer->header;
+ struct sur40_blob *inblob = &sur40->bulk_in_buffer->blobs[0];
+
+ dev_dbg(sur40->dev, "poll\n");
+
+ need_blobs = -1;
+
+ do {
+
+ /* perform a blocking bulk read to get data from the device */
+ result = usb_bulk_msg(sur40->usbdev,
+ usb_rcvbulkpipe(sur40->usbdev, sur40->bulk_in_epaddr),
+ sur40->bulk_in_buffer, sur40->bulk_in_size,
+ &bulk_read, 1000);
+
+ dev_dbg(sur40->dev, "received %d bytes\n", bulk_read);
+
+ if (result < 0) {
+ dev_err(sur40->dev, "error in usb_bulk_read\n");
+ return;
+ }
+
+ result = bulk_read - sizeof(struct sur40_header);
+
+ if (result % sizeof(struct sur40_blob) != 0) {
+ dev_err(sur40->dev, "transfer size mismatch\n");
+ return;
+ }
+
+ /* first packet? */
+ if (need_blobs == -1) {
+ need_blobs = le16_to_cpu(header->count);
+ dev_dbg(sur40->dev, "need %d blobs\n", need_blobs);
+ packet_id = le32_to_cpu(header->packet_id);
+ }
+
+ /*
+ * Sanity check. when video data is also being retrieved, the
+ * packet ID will usually increase in the middle of a series
+ * instead of at the end.
+ */
+ if (packet_id != header->packet_id)
+ dev_warn(sur40->dev, "packet ID mismatch\n");
+
+ packet_blobs = result / sizeof(struct sur40_blob);
+ dev_dbg(sur40->dev, "received %d blobs\n", packet_blobs);
+
+ /* packets always contain at least 4 blobs, even if empty */
+ if (packet_blobs > need_blobs)
+ packet_blobs = need_blobs;
+
+ for (i = 0; i < packet_blobs; i++) {
+ need_blobs--;
+ dev_dbg(sur40->dev, "processing blob\n");
+ sur40_report_blob(&(inblob[i]), input);
+ }
+
+ } while (need_blobs > 0);
+
+ input_mt_sync_frame(input);
+ input_sync(input);
+}
+
+/* Initialize input device parameters. */
+static void sur40_input_setup(struct input_dev *input_dev)
+{
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(EV_ABS, input_dev->evbit);
+
+ input_set_abs_params(input_dev, ABS_MT_POSITION_X,
+ 0, SENSOR_RES_X, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
+ 0, SENSOR_RES_Y, 0, 0);
+
+ input_set_abs_params(input_dev, ABS_MT_TOOL_X,
+ 0, SENSOR_RES_X, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_TOOL_Y,
+ 0, SENSOR_RES_Y, 0, 0);
+
+ /* max value unknown, but major/minor axis
+ * can never be larger than screen */
+ input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
+ 0, SENSOR_RES_X, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
+ 0, SENSOR_RES_Y, 0, 0);
+
+ input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
+
+ input_mt_init_slots(input_dev, MAX_CONTACTS,
+ INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);
+}
+
+/* Check candidate USB interface. */
+static int sur40_probe(struct usb_interface *interface,
+ const struct usb_device_id *id)
+{
+ struct usb_device *usbdev = interface_to_usbdev(interface);
+ struct sur40_state *sur40;
+ struct usb_host_interface *iface_desc;
+ struct usb_endpoint_descriptor *endpoint;
+ struct input_polled_dev *poll_dev;
+ int error;
+
+ /* Check if we really have the right interface. */
+ iface_desc = &interface->altsetting[0];
+ if (iface_desc->desc.bInterfaceClass != 0xFF)
+ return -ENODEV;
+
+ /* Use endpoint #4 (0x86). */
+ endpoint = &iface_desc->endpoint[4].desc;
+ if (endpoint->bEndpointAddress != TOUCH_ENDPOINT)
+ return -ENODEV;
+
+ /* Allocate memory for our device state and initialize it. */
+ sur40 = kzalloc(sizeof(struct sur40_state), GFP_KERNEL);
+ if (!sur40)
+ return -ENOMEM;
+
+ poll_dev = input_allocate_polled_device();
+ if (!poll_dev) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ /* Set up polled input device control structure */
+ poll_dev->private = sur40;
+ poll_dev->poll_interval = POLL_INTERVAL;
+ poll_dev->open = sur40_open;
+ poll_dev->poll = sur40_poll;
+ poll_dev->close = sur40_close;
+
+ /* Set up regular input device structure */
+ sur40_input_setup(poll_dev->input);
+
+ poll_dev->input->name = "Samsung SUR40";
+ usb_to_input_id(usbdev, &poll_dev->input->id);
+ usb_make_path(usbdev, sur40->phys, sizeof(sur40->phys));
+ strlcat(sur40->phys, "/input0", sizeof(sur40->phys));
+ poll_dev->input->phys = sur40->phys;
+ poll_dev->input->dev.parent = &interface->dev;
+
+ sur40->usbdev = usbdev;
+ sur40->dev = &interface->dev;
+ sur40->input = poll_dev;
+
+ /* use the bulk-in endpoint tested above */
+ sur40->bulk_in_size = usb_endpoint_maxp(endpoint);
+ sur40->bulk_in_epaddr = endpoint->bEndpointAddress;
+ sur40->bulk_in_buffer = kmalloc(sur40->bulk_in_size, GFP_KERNEL);
+ if (!sur40->bulk_in_buffer) {
+ dev_err(&interface->dev, "Unable to allocate input buffer.");
+ error = -ENOMEM;
+ goto err_free_polldev;
+ }
+
+ error = input_register_polled_device(poll_dev);
+ if (error) {
+ dev_err(&interface->dev,
+ "Unable to register polled input device.");
+ goto err_free_buffer;
+ }
+
+ /* we can register the device now, as it is ready */
+ usb_set_intfdata(interface, sur40);
+ dev_dbg(&interface->dev, "%s is now attached\n", DRIVER_DESC);
+
+ return 0;
+
+err_free_buffer:
+ kfree(sur40->bulk_in_buffer);
+err_free_polldev:
+ input_free_polled_device(sur40->input);
+err_free_dev:
+ kfree(sur40);
+
+ return error;
+}
+
+/* Unregister device & clean up. */
+static void sur40_disconnect(struct usb_interface *interface)
+{
+ struct sur40_state *sur40 = usb_get_intfdata(interface);
+
+ input_unregister_polled_device(sur40->input);
+ input_free_polled_device(sur40->input);
+ kfree(sur40->bulk_in_buffer);
+ kfree(sur40);
+
+ usb_set_intfdata(interface, NULL);
+ dev_dbg(&interface->dev, "%s is now disconnected\n", DRIVER_DESC);
+}
+
+static const struct usb_device_id sur40_table[] = {
+ { USB_DEVICE(ID_MICROSOFT, ID_SUR40) }, /* Samsung SUR40 */
+ { } /* terminating null entry */
+};
+MODULE_DEVICE_TABLE(usb, sur40_table);
+
+/* USB-specific object needed to register this driver with the USB subsystem. */
+static struct usb_driver sur40_driver = {
+ .name = DRIVER_SHORT,
+ .probe = sur40_probe,
+ .disconnect = sur40_disconnect,
+ .id_table = sur40_table,
+};
+
+module_usb_driver(sur40_driver);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index ae4b6b903629..5f87bed05467 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -106,6 +106,7 @@ struct usbtouch_device_info {
struct usbtouch_usb {
unsigned char *data;
dma_addr_t data_dma;
+ int data_size;
unsigned char *buffer;
int buf_len;
struct urb *irq;
@@ -1521,7 +1522,7 @@ static int usbtouch_reset_resume(struct usb_interface *intf)
static void usbtouch_free_buffers(struct usb_device *udev,
struct usbtouch_usb *usbtouch)
{
- usb_free_coherent(udev, usbtouch->type->rept_size,
+ usb_free_coherent(udev, usbtouch->data_size,
usbtouch->data, usbtouch->data_dma);
kfree(usbtouch->buffer);
}
@@ -1566,7 +1567,20 @@ static int usbtouch_probe(struct usb_interface *intf,
if (!type->process_pkt)
type->process_pkt = usbtouch_process_pkt;
- usbtouch->data = usb_alloc_coherent(udev, type->rept_size,
+ usbtouch->data_size = type->rept_size;
+ if (type->get_pkt_len) {
+ /*
+ * When dealing with variable-length packets we should
+ * not request more than wMaxPacketSize bytes at once
+ * as we do not know if there is more data coming or
+ * we filled exactly wMaxPacketSize bytes and there is
+ * nothing else.
+ */
+ usbtouch->data_size = min(usbtouch->data_size,
+ usb_endpoint_maxp(endpoint));
+ }
+
+ usbtouch->data = usb_alloc_coherent(udev, usbtouch->data_size,
GFP_KERNEL, &usbtouch->data_dma);
if (!usbtouch->data)
goto out_free;
@@ -1626,12 +1640,12 @@ static int usbtouch_probe(struct usb_interface *intf,
if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT)
usb_fill_int_urb(usbtouch->irq, udev,
usb_rcvintpipe(udev, endpoint->bEndpointAddress),
- usbtouch->data, type->rept_size,
+ usbtouch->data, usbtouch->data_size,
usbtouch_irq, usbtouch, endpoint->bInterval);
else
usb_fill_bulk_urb(usbtouch->irq, udev,
usb_rcvbulkpipe(udev, endpoint->bEndpointAddress),
- usbtouch->data, type->rept_size,
+ usbtouch->data, usbtouch->data_size,
usbtouch_irq, usbtouch);
usbtouch->irq->dev = udev;
diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 75762d6ff3ba..aa127ba392a4 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -455,7 +455,18 @@ static void zforce_complete(struct zforce_ts *ts, int cmd, int result)
}
}
-static irqreturn_t zforce_interrupt(int irq, void *dev_id)
+static irqreturn_t zforce_irq(int irq, void *dev_id)
+{
+ struct zforce_ts *ts = dev_id;
+ struct i2c_client *client = ts->client;
+
+ if (ts->suspended && device_may_wakeup(&client->dev))
+ pm_wakeup_event(&client->dev, 500);
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t zforce_irq_thread(int irq, void *dev_id)
{
struct zforce_ts *ts = dev_id;
struct i2c_client *client = ts->client;
@@ -465,12 +476,10 @@ static irqreturn_t zforce_interrupt(int irq, void *dev_id)
u8 *payload;
/*
- * When suspended, emit a wakeup signal if necessary and return.
+ * When still suspended, return.
* Due to the level-interrupt we will get re-triggered later.
*/
if (ts->suspended) {
- if (device_may_wakeup(&client->dev))
- pm_wakeup_event(&client->dev, 500);
msleep(20);
return IRQ_HANDLED;
}
@@ -763,8 +772,8 @@ static int zforce_probe(struct i2c_client *client,
* Therefore we can trigger the interrupt anytime it is low and do
* not need to limit it to the interrupt edge.
*/
- ret = devm_request_threaded_irq(&client->dev, client->irq, NULL,
- zforce_interrupt,
+ ret = devm_request_threaded_irq(&client->dev, client->irq,
+ zforce_irq, zforce_irq_thread,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
input_dev->name, ts);
if (ret) {
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 1abfb5684ab7..e46a88700b68 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -392,7 +392,7 @@ struct arm_smmu_domain {
struct arm_smmu_cfg root_cfg;
phys_addr_t output_mask;
- spinlock_t lock;
+ struct mutex lock;
};
static DEFINE_SPINLOCK(arm_smmu_devices_lock);
@@ -900,7 +900,7 @@ static int arm_smmu_domain_init(struct iommu_domain *domain)
goto out_free_domain;
smmu_domain->root_cfg.pgd = pgd;
- spin_lock_init(&smmu_domain->lock);
+ mutex_init(&smmu_domain->lock);
domain->priv = smmu_domain;
return 0;
@@ -1137,7 +1137,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
* Sanity check the domain. We don't currently support domains
* that cross between different SMMU chains.
*/
- spin_lock(&smmu_domain->lock);
+ mutex_lock(&smmu_domain->lock);
if (!smmu_domain->leaf_smmu) {
/* Now that we have a master, we can finalise the domain */
ret = arm_smmu_init_domain_context(domain, dev);
@@ -1152,7 +1152,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
dev_name(device_smmu->dev));
goto err_unlock;
}
- spin_unlock(&smmu_domain->lock);
+ mutex_unlock(&smmu_domain->lock);
/* Looks ok, so add the device to the domain */
master = find_smmu_master(smmu_domain->leaf_smmu, dev->of_node);
@@ -1162,7 +1162,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
return arm_smmu_domain_add_master(smmu_domain, master);
err_unlock:
- spin_unlock(&smmu_domain->lock);
+ mutex_unlock(&smmu_domain->lock);
return ret;
}
@@ -1394,7 +1394,7 @@ static int arm_smmu_handle_mapping(struct arm_smmu_domain *smmu_domain,
if (paddr & ~output_mask)
return -ERANGE;
- spin_lock(&smmu_domain->lock);
+ mutex_lock(&smmu_domain->lock);
pgd += pgd_index(iova);
end = iova + size;
do {
@@ -1410,7 +1410,7 @@ static int arm_smmu_handle_mapping(struct arm_smmu_domain *smmu_domain,
} while (pgd++, iova != end);
out_unlock:
- spin_unlock(&smmu_domain->lock);
+ mutex_unlock(&smmu_domain->lock);
/* Ensure new page tables are visible to the hardware walker */
if (smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)
@@ -1423,9 +1423,8 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int flags)
{
struct arm_smmu_domain *smmu_domain = domain->priv;
- struct arm_smmu_device *smmu = smmu_domain->leaf_smmu;
- if (!smmu_domain || !smmu)
+ if (!smmu_domain)
return -ENODEV;
/* Check for silent address truncation up the SMMU chain. */
@@ -1449,44 +1448,34 @@ static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain,
dma_addr_t iova)
{
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *pte;
+ pgd_t *pgdp, pgd;
+ pud_t pud;
+ pmd_t pmd;
+ pte_t pte;
struct arm_smmu_domain *smmu_domain = domain->priv;
struct arm_smmu_cfg *root_cfg = &smmu_domain->root_cfg;
- struct arm_smmu_device *smmu = root_cfg->smmu;
- spin_lock(&smmu_domain->lock);
- pgd = root_cfg->pgd;
- if (!pgd)
- goto err_unlock;
+ pgdp = root_cfg->pgd;
+ if (!pgdp)
+ return 0;
- pgd += pgd_index(iova);
- if (pgd_none_or_clear_bad(pgd))
- goto err_unlock;
+ pgd = *(pgdp + pgd_index(iova));
+ if (pgd_none(pgd))
+ return 0;
- pud = pud_offset(pgd, iova);
- if (pud_none_or_clear_bad(pud))
- goto err_unlock;
+ pud = *pud_offset(&pgd, iova);
+ if (pud_none(pud))
+ return 0;
- pmd = pmd_offset(pud, iova);
- if (pmd_none_or_clear_bad(pmd))
- goto err_unlock;
+ pmd = *pmd_offset(&pud, iova);
+ if (pmd_none(pmd))
+ return 0;
- pte = pmd_page_vaddr(*pmd) + pte_index(iova);
+ pte = *(pmd_page_vaddr(pmd) + pte_index(iova));
if (pte_none(pte))
- goto err_unlock;
-
- spin_unlock(&smmu_domain->lock);
- return __pfn_to_phys(pte_pfn(*pte)) | (iova & ~PAGE_MASK);
+ return 0;
-err_unlock:
- spin_unlock(&smmu_domain->lock);
- dev_warn(smmu->dev,
- "invalid (corrupt?) page tables detected for iova 0x%llx\n",
- (unsigned long long)iova);
- return -EINVAL;
+ return __pfn_to_phys(pte_pfn(pte)) | (iova & ~PAGE_MASK);
}
static int arm_smmu_domain_has_cap(struct iommu_domain *domain,
@@ -1863,6 +1852,7 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev)
dev_err(dev,
"found only %d context interrupt(s) but %d required\n",
smmu->num_context_irqs, smmu->num_context_banks);
+ err = -ENODEV;
goto out_put_parent;
}
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 9031171c141b..341c6016812d 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -957,12 +957,13 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
if (WARN_ON(!gic->domain))
return;
+ if (gic_nr == 0) {
#ifdef CONFIG_SMP
- set_smp_cross_call(gic_raise_softirq);
- register_cpu_notifier(&gic_cpu_notifier);
+ set_smp_cross_call(gic_raise_softirq);
+ register_cpu_notifier(&gic_cpu_notifier);
#endif
-
- set_handle_irq(gic_handle_irq);
+ set_handle_irq(gic_handle_irq);
+ }
gic_chip.flags |= gic_arch_extn.flags;
gic_dist_init(gic);
diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 82cec63a9011..3ee78f02e5d7 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -149,8 +149,9 @@ static void intc_irqpin_read_modify_write(struct intc_irqpin_priv *p,
static void intc_irqpin_mask_unmask_prio(struct intc_irqpin_priv *p,
int irq, int do_mask)
{
- int bitfield_width = 4; /* PRIO assumed to have fixed bitfield width */
- int shift = (7 - irq) * bitfield_width; /* PRIO assumed to be 32-bit */
+ /* The PRIO register is assumed to be 32-bit with fixed 4-bit fields. */
+ int bitfield_width = 4;
+ int shift = 32 - (irq + 1) * bitfield_width;
intc_irqpin_read_modify_write(p, INTC_IRQPIN_REG_PRIO,
shift, bitfield_width,
@@ -159,8 +160,9 @@ static void intc_irqpin_mask_unmask_prio(struct intc_irqpin_priv *p,
static int intc_irqpin_set_sense(struct intc_irqpin_priv *p, int irq, int value)
{
+ /* The SENSE register is assumed to be 32-bit. */
int bitfield_width = p->config.sense_bitfield_width;
- int shift = (7 - irq) * bitfield_width; /* SENSE assumed to be 32-bit */
+ int shift = 32 - (irq + 1) * bitfield_width;
dev_dbg(&p->pdev->dev, "sense irq = %d, mode = %d\n", irq, value);
diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c
index 497bd026c237..4a4825528188 100644
--- a/drivers/isdn/hisax/hfc_pci.c
+++ b/drivers/isdn/hisax/hfc_pci.c
@@ -1643,10 +1643,6 @@ setup_hfcpci(struct IsdnCard *card)
int i;
struct pci_dev *tmp_hfcpci = NULL;
-#ifdef __BIG_ENDIAN
-#error "not running on big endian machines now"
-#endif
-
strcpy(tmp, hfcpci_revision);
printk(KERN_INFO "HiSax: HFC-PCI driver Rev. %s\n", HiSax_getrev(tmp));
diff --git a/drivers/isdn/hisax/telespci.c b/drivers/isdn/hisax/telespci.c
index f6ab63aa6995..33eeb4602c7e 100644
--- a/drivers/isdn/hisax/telespci.c
+++ b/drivers/isdn/hisax/telespci.c
@@ -290,10 +290,6 @@ int setup_telespci(struct IsdnCard *card)
struct IsdnCardState *cs = card->cs;
char tmp[64];
-#ifdef __BIG_ENDIAN
-#error "not running on big endian machines now"
-#endif
-
strcpy(tmp, telespci_revision);
printk(KERN_INFO "HiSax: Teles/PCI driver Rev. %s\n", HiSax_getrev(tmp));
if (cs->typ != ISDN_CTYPE_TELESPCI)
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 05188351711d..a97263e902ff 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -244,18 +244,12 @@ static int lp5521_update_program_memory(struct lp55xx_chip *chip,
if (i % 2)
goto err;
- mutex_lock(&chip->lock);
-
for (i = 0; i < LP5521_PROGRAM_LENGTH; i++) {
ret = lp55xx_write(chip, addr[idx] + i, pattern[i]);
- if (ret) {
- mutex_unlock(&chip->lock);
+ if (ret)
return -EINVAL;
- }
}
- mutex_unlock(&chip->lock);
-
return size;
err:
@@ -427,15 +421,17 @@ static ssize_t store_engine_load(struct device *dev,
{
struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev));
struct lp55xx_chip *chip = led->chip;
+ int ret;
mutex_lock(&chip->lock);
chip->engine_idx = nr;
lp5521_load_engine(chip);
+ ret = lp5521_update_program_memory(chip, buf, len);
mutex_unlock(&chip->lock);
- return lp5521_update_program_memory(chip, buf, len);
+ return ret;
}
store_load(1)
store_load(2)
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 6b553d9f4266..fd9ab5f61441 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -337,18 +337,12 @@ static int lp5523_update_program_memory(struct lp55xx_chip *chip,
if (i % 2)
goto err;
- mutex_lock(&chip->lock);
-
for (i = 0; i < LP5523_PROGRAM_LENGTH; i++) {
ret = lp55xx_write(chip, LP5523_REG_PROG_MEM + i, pattern[i]);
- if (ret) {
- mutex_unlock(&chip->lock);
+ if (ret)
return -EINVAL;
- }
}
- mutex_unlock(&chip->lock);
-
return size;
err:
@@ -548,15 +542,17 @@ static ssize_t store_engine_load(struct device *dev,
{
struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev));
struct lp55xx_chip *chip = led->chip;
+ int ret;
mutex_lock(&chip->lock);
chip->engine_idx = nr;
lp5523_load_engine_and_select_page(chip);
+ ret = lp5523_update_program_memory(chip, buf, len);
mutex_unlock(&chip->lock);
- return lp5523_update_program_memory(chip, buf, len);
+ return ret;
}
store_load(1)
store_load(2)
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index 2848171b8576..b31d8e99c419 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -82,22 +82,12 @@ static inline size_t sizeof_pwm_leds_priv(int num_leds)
(sizeof(struct led_pwm_data) * num_leds);
}
-static struct led_pwm_priv *led_pwm_create_of(struct platform_device *pdev)
+static int led_pwm_create_of(struct platform_device *pdev,
+ struct led_pwm_priv *priv)
{
struct device_node *node = pdev->dev.of_node;
struct device_node *child;
- struct led_pwm_priv *priv;
- int count, ret;
-
- /* count LEDs in this device, so we know how much to allocate */
- count = of_get_child_count(node);
- if (!count)
- return NULL;
-
- priv = devm_kzalloc(&pdev->dev, sizeof_pwm_leds_priv(count),
- GFP_KERNEL);
- if (!priv)
- return NULL;
+ int ret;
for_each_child_of_node(node, child) {
struct led_pwm_data *led_dat = &priv->leds[priv->num_leds];
@@ -109,6 +99,7 @@ static struct led_pwm_priv *led_pwm_create_of(struct platform_device *pdev)
if (IS_ERR(led_dat->pwm)) {
dev_err(&pdev->dev, "unable to request PWM for %s\n",
led_dat->cdev.name);
+ ret = PTR_ERR(led_dat->pwm);
goto err;
}
/* Get the period from PWM core when n*/
@@ -137,28 +128,36 @@ static struct led_pwm_priv *led_pwm_create_of(struct platform_device *pdev)
priv->num_leds++;
}
- return priv;
+ return 0;
err:
while (priv->num_leds--)
led_classdev_unregister(&priv->leds[priv->num_leds].cdev);
- return NULL;
+ return ret;
}
static int led_pwm_probe(struct platform_device *pdev)
{
struct led_pwm_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct led_pwm_priv *priv;
- int i, ret = 0;
+ int count, i;
+ int ret = 0;
+
+ if (pdata)
+ count = pdata->num_leds;
+ else
+ count = of_get_child_count(pdev->dev.of_node);
+
+ if (!count)
+ return -EINVAL;
- if (pdata && pdata->num_leds) {
- priv = devm_kzalloc(&pdev->dev,
- sizeof_pwm_leds_priv(pdata->num_leds),
- GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ priv = devm_kzalloc(&pdev->dev, sizeof_pwm_leds_priv(count),
+ GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
- for (i = 0; i < pdata->num_leds; i++) {
+ if (pdata) {
+ for (i = 0; i < count; i++) {
struct led_pwm *cur_led = &pdata->leds[i];
struct led_pwm_data *led_dat = &priv->leds[i];
@@ -188,11 +187,11 @@ static int led_pwm_probe(struct platform_device *pdev)
if (ret < 0)
goto err;
}
- priv->num_leds = pdata->num_leds;
+ priv->num_leds = count;
} else {
- priv = led_pwm_create_of(pdev);
- if (!priv)
- return -ENODEV;
+ ret = led_pwm_create_of(pdev, priv);
+ if (ret)
+ return ret;
}
platform_set_drvdata(pdev, priv);
diff --git a/drivers/macintosh/Makefile b/drivers/macintosh/Makefile
index 6753b65f8ede..d2f0120bc878 100644
--- a/drivers/macintosh/Makefile
+++ b/drivers/macintosh/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_WINDFARM_RM31) += windfarm_fcu_controls.o \
windfarm_ad7417_sensor.o \
windfarm_lm75_sensor.o \
windfarm_lm87_sensor.o \
+ windfarm_max6690_sensor.o \
windfarm_pid.o \
windfarm_cpufreq_clamp.o \
windfarm_rm31.o
diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c
index 2b46bf1d7e40..4c9852d92b0a 100644
--- a/drivers/md/bcache/alloc.c
+++ b/drivers/md/bcache/alloc.c
@@ -421,9 +421,11 @@ out:
if (watermark <= WATERMARK_METADATA) {
SET_GC_MARK(b, GC_MARK_METADATA);
+ SET_GC_MOVE(b, 0);
b->prio = BTREE_PRIO;
} else {
SET_GC_MARK(b, GC_MARK_RECLAIMABLE);
+ SET_GC_MOVE(b, 0);
b->prio = INITIAL_PRIO;
}
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 4beb55a0ff30..754f43177483 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -197,7 +197,7 @@ struct bucket {
uint8_t disk_gen;
uint8_t last_gc; /* Most out of date gen in the btree */
uint8_t gc_gen;
- uint16_t gc_mark;
+ uint16_t gc_mark; /* Bitfield used by GC. See below for field */
};
/*
@@ -209,7 +209,8 @@ BITMASK(GC_MARK, struct bucket, gc_mark, 0, 2);
#define GC_MARK_RECLAIMABLE 0
#define GC_MARK_DIRTY 1
#define GC_MARK_METADATA 2
-BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, 14);
+BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, 13);
+BITMASK(GC_MOVE, struct bucket, gc_mark, 15, 1);
#include "journal.h"
#include "stats.h"
@@ -372,14 +373,14 @@ struct cached_dev {
unsigned char writeback_percent;
unsigned writeback_delay;
- int writeback_rate_change;
- int64_t writeback_rate_derivative;
uint64_t writeback_rate_target;
+ int64_t writeback_rate_proportional;
+ int64_t writeback_rate_derivative;
+ int64_t writeback_rate_change;
unsigned writeback_rate_update_seconds;
unsigned writeback_rate_d_term;
unsigned writeback_rate_p_term_inverse;
- unsigned writeback_rate_d_smooth;
};
enum alloc_watermarks {
@@ -445,7 +446,6 @@ struct cache {
* call prio_write() to keep gens from wrapping.
*/
uint8_t need_save_prio;
- unsigned gc_move_threshold;
/*
* If nonzero, we know we aren't going to find any buckets to invalidate
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 5e2765aadce1..31bb53fcc67a 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1561,6 +1561,28 @@ size_t bch_btree_gc_finish(struct cache_set *c)
SET_GC_MARK(PTR_BUCKET(c, &c->uuid_bucket, i),
GC_MARK_METADATA);
+ /* don't reclaim buckets to which writeback keys point */
+ rcu_read_lock();
+ for (i = 0; i < c->nr_uuids; i++) {
+ struct bcache_device *d = c->devices[i];
+ struct cached_dev *dc;
+ struct keybuf_key *w, *n;
+ unsigned j;
+
+ if (!d || UUID_FLASH_ONLY(&c->uuids[i]))
+ continue;
+ dc = container_of(d, struct cached_dev, disk);
+
+ spin_lock(&dc->writeback_keys.lock);
+ rbtree_postorder_for_each_entry_safe(w, n,
+ &dc->writeback_keys.keys, node)
+ for (j = 0; j < KEY_PTRS(&w->key); j++)
+ SET_GC_MARK(PTR_BUCKET(c, &w->key, j),
+ GC_MARK_DIRTY);
+ spin_unlock(&dc->writeback_keys.lock);
+ }
+ rcu_read_unlock();
+
for_each_cache(ca, c, i) {
uint64_t *i;
@@ -1817,7 +1839,8 @@ static bool fix_overlapping_extents(struct btree *b, struct bkey *insert,
if (KEY_START(k) > KEY_START(insert) + sectors_found)
goto check_failed;
- if (KEY_PTRS(replace_key) != KEY_PTRS(k))
+ if (KEY_PTRS(k) != KEY_PTRS(replace_key) ||
+ KEY_DIRTY(k) != KEY_DIRTY(replace_key))
goto check_failed;
/* skip past gen */
@@ -2217,7 +2240,7 @@ struct btree_insert_op {
struct bkey *replace_key;
};
-int btree_insert_fn(struct btree_op *b_op, struct btree *b)
+static int btree_insert_fn(struct btree_op *b_op, struct btree *b)
{
struct btree_insert_op *op = container_of(b_op,
struct btree_insert_op, op);
diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c
index 7c1275e66025..f2f0998c4a91 100644
--- a/drivers/md/bcache/movinggc.c
+++ b/drivers/md/bcache/movinggc.c
@@ -25,10 +25,9 @@ static bool moving_pred(struct keybuf *buf, struct bkey *k)
unsigned i;
for (i = 0; i < KEY_PTRS(k); i++) {
- struct cache *ca = PTR_CACHE(c, k, i);
struct bucket *g = PTR_BUCKET(c, k, i);
- if (GC_SECTORS_USED(g) < ca->gc_move_threshold)
+ if (GC_MOVE(g))
return true;
}
@@ -65,11 +64,16 @@ static void write_moving_finish(struct closure *cl)
static void read_moving_endio(struct bio *bio, int error)
{
+ struct bbio *b = container_of(bio, struct bbio, bio);
struct moving_io *io = container_of(bio->bi_private,
struct moving_io, cl);
if (error)
io->op.error = error;
+ else if (!KEY_DIRTY(&b->key) &&
+ ptr_stale(io->op.c, &b->key, 0)) {
+ io->op.error = -EINTR;
+ }
bch_bbio_endio(io->op.c, bio, error, "reading data to move");
}
@@ -141,6 +145,11 @@ static void read_moving(struct cache_set *c)
if (!w)
break;
+ if (ptr_stale(c, &w->key, 0)) {
+ bch_keybuf_del(&c->moving_gc_keys, w);
+ continue;
+ }
+
io = kzalloc(sizeof(struct moving_io) + sizeof(struct bio_vec)
* DIV_ROUND_UP(KEY_SIZE(&w->key), PAGE_SECTORS),
GFP_KERNEL);
@@ -184,7 +193,8 @@ static bool bucket_cmp(struct bucket *l, struct bucket *r)
static unsigned bucket_heap_top(struct cache *ca)
{
- return GC_SECTORS_USED(heap_peek(&ca->heap));
+ struct bucket *b;
+ return (b = heap_peek(&ca->heap)) ? GC_SECTORS_USED(b) : 0;
}
void bch_moving_gc(struct cache_set *c)
@@ -226,9 +236,8 @@ void bch_moving_gc(struct cache_set *c)
sectors_to_move -= GC_SECTORS_USED(b);
}
- ca->gc_move_threshold = bucket_heap_top(ca);
-
- pr_debug("threshold %u", ca->gc_move_threshold);
+ while (heap_pop(&ca->heap, b, bucket_cmp))
+ SET_GC_MOVE(b, 1);
}
mutex_unlock(&c->bucket_lock);
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index dec15cd2d797..c57bfa071a57 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1676,7 +1676,7 @@ err:
static bool can_attach_cache(struct cache *ca, struct cache_set *c)
{
return ca->sb.block_size == c->sb.block_size &&
- ca->sb.bucket_size == c->sb.block_size &&
+ ca->sb.bucket_size == c->sb.bucket_size &&
ca->sb.nr_in_set == c->sb.nr_in_set;
}
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 80d4c2bee18a..a1f85612f0b3 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -83,7 +83,6 @@ rw_attribute(writeback_rate);
rw_attribute(writeback_rate_update_seconds);
rw_attribute(writeback_rate_d_term);
rw_attribute(writeback_rate_p_term_inverse);
-rw_attribute(writeback_rate_d_smooth);
read_attribute(writeback_rate_debug);
read_attribute(stripe_size);
@@ -129,31 +128,41 @@ SHOW(__bch_cached_dev)
var_printf(writeback_running, "%i");
var_print(writeback_delay);
var_print(writeback_percent);
- sysfs_print(writeback_rate, dc->writeback_rate.rate);
+ sysfs_hprint(writeback_rate, dc->writeback_rate.rate << 9);
var_print(writeback_rate_update_seconds);
var_print(writeback_rate_d_term);
var_print(writeback_rate_p_term_inverse);
- var_print(writeback_rate_d_smooth);
if (attr == &sysfs_writeback_rate_debug) {
+ char rate[20];
char dirty[20];
- char derivative[20];
char target[20];
- bch_hprint(dirty,
- bcache_dev_sectors_dirty(&dc->disk) << 9);
- bch_hprint(derivative, dc->writeback_rate_derivative << 9);
+ char proportional[20];
+ char derivative[20];
+ char change[20];
+ s64 next_io;
+
+ bch_hprint(rate, dc->writeback_rate.rate << 9);
+ bch_hprint(dirty, bcache_dev_sectors_dirty(&dc->disk) << 9);
bch_hprint(target, dc->writeback_rate_target << 9);
+ bch_hprint(proportional,dc->writeback_rate_proportional << 9);
+ bch_hprint(derivative, dc->writeback_rate_derivative << 9);
+ bch_hprint(change, dc->writeback_rate_change << 9);
+
+ next_io = div64_s64(dc->writeback_rate.next - local_clock(),
+ NSEC_PER_MSEC);
return sprintf(buf,
- "rate:\t\t%u\n"
- "change:\t\t%i\n"
+ "rate:\t\t%s/sec\n"
"dirty:\t\t%s\n"
+ "target:\t\t%s\n"
+ "proportional:\t%s\n"
"derivative:\t%s\n"
- "target:\t\t%s\n",
- dc->writeback_rate.rate,
- dc->writeback_rate_change,
- dirty, derivative, target);
+ "change:\t\t%s/sec\n"
+ "next io:\t%llims\n",
+ rate, dirty, target, proportional,
+ derivative, change, next_io);
}
sysfs_hprint(dirty_data,
@@ -189,6 +198,7 @@ STORE(__cached_dev)
struct kobj_uevent_env *env;
#define d_strtoul(var) sysfs_strtoul(var, dc->var)
+#define d_strtoul_nonzero(var) sysfs_strtoul_clamp(var, dc->var, 1, INT_MAX)
#define d_strtoi_h(var) sysfs_hatoi(var, dc->var)
sysfs_strtoul(data_csum, dc->disk.data_csum);
@@ -197,16 +207,15 @@ STORE(__cached_dev)
d_strtoul(writeback_metadata);
d_strtoul(writeback_running);
d_strtoul(writeback_delay);
- sysfs_strtoul_clamp(writeback_rate,
- dc->writeback_rate.rate, 1, 1000000);
+
sysfs_strtoul_clamp(writeback_percent, dc->writeback_percent, 0, 40);
- d_strtoul(writeback_rate_update_seconds);
+ sysfs_strtoul_clamp(writeback_rate,
+ dc->writeback_rate.rate, 1, INT_MAX);
+
+ d_strtoul_nonzero(writeback_rate_update_seconds);
d_strtoul(writeback_rate_d_term);
- d_strtoul(writeback_rate_p_term_inverse);
- sysfs_strtoul_clamp(writeback_rate_p_term_inverse,
- dc->writeback_rate_p_term_inverse, 1, INT_MAX);
- d_strtoul(writeback_rate_d_smooth);
+ d_strtoul_nonzero(writeback_rate_p_term_inverse);
d_strtoi_h(sequential_cutoff);
d_strtoi_h(readahead);
@@ -313,7 +322,6 @@ static struct attribute *bch_cached_dev_files[] = {
&sysfs_writeback_rate_update_seconds,
&sysfs_writeback_rate_d_term,
&sysfs_writeback_rate_p_term_inverse,
- &sysfs_writeback_rate_d_smooth,
&sysfs_writeback_rate_debug,
&sysfs_dirty_data,
&sysfs_stripe_size,
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c
index 462214eeacbe..bb37618e7664 100644
--- a/drivers/md/bcache/util.c
+++ b/drivers/md/bcache/util.c
@@ -209,7 +209,13 @@ uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done)
{
uint64_t now = local_clock();
- d->next += div_u64(done, d->rate);
+ d->next += div_u64(done * NSEC_PER_SEC, d->rate);
+
+ if (time_before64(now + NSEC_PER_SEC, d->next))
+ d->next = now + NSEC_PER_SEC;
+
+ if (time_after64(now - NSEC_PER_SEC * 2, d->next))
+ d->next = now - NSEC_PER_SEC * 2;
return time_after64(d->next, now)
? div_u64(d->next - now, NSEC_PER_SEC / HZ)
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index 362c4b3f8b4a..1030c6020e98 100644
--- a/drivers/md/bcache/util.h
+++ b/drivers/md/bcache/util.h
@@ -110,7 +110,7 @@ do { \
_r; \
})
-#define heap_peek(h) ((h)->size ? (h)->data[0] : NULL)
+#define heap_peek(h) ((h)->used ? (h)->data[0] : NULL)
#define heap_full(h) ((h)->used == (h)->size)
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 99053b1251be..6c44fe059c27 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -30,38 +30,40 @@ static void __update_writeback_rate(struct cached_dev *dc)
/* PD controller */
- int change = 0;
- int64_t error;
int64_t dirty = bcache_dev_sectors_dirty(&dc->disk);
int64_t derivative = dirty - dc->disk.sectors_dirty_last;
+ int64_t proportional = dirty - target;
+ int64_t change;
dc->disk.sectors_dirty_last = dirty;
- derivative *= dc->writeback_rate_d_term;
- derivative = clamp(derivative, -dirty, dirty);
+ /* Scale to sectors per second */
- derivative = ewma_add(dc->disk.sectors_dirty_derivative, derivative,
- dc->writeback_rate_d_smooth, 0);
+ proportional *= dc->writeback_rate_update_seconds;
+ proportional = div_s64(proportional, dc->writeback_rate_p_term_inverse);
- /* Avoid divide by zero */
- if (!target)
- goto out;
+ derivative = div_s64(derivative, dc->writeback_rate_update_seconds);
- error = div64_s64((dirty + derivative - target) << 8, target);
+ derivative = ewma_add(dc->disk.sectors_dirty_derivative, derivative,
+ (dc->writeback_rate_d_term /
+ dc->writeback_rate_update_seconds) ?: 1, 0);
+
+ derivative *= dc->writeback_rate_d_term;
+ derivative = div_s64(derivative, dc->writeback_rate_p_term_inverse);
- change = div_s64((dc->writeback_rate.rate * error) >> 8,
- dc->writeback_rate_p_term_inverse);
+ change = proportional + derivative;
/* Don't increase writeback rate if the device isn't keeping up */
if (change > 0 &&
time_after64(local_clock(),
- dc->writeback_rate.next + 10 * NSEC_PER_MSEC))
+ dc->writeback_rate.next + NSEC_PER_MSEC))
change = 0;
dc->writeback_rate.rate =
- clamp_t(int64_t, dc->writeback_rate.rate + change,
+ clamp_t(int64_t, (int64_t) dc->writeback_rate.rate + change,
1, NSEC_PER_MSEC);
-out:
+
+ dc->writeback_rate_proportional = proportional;
dc->writeback_rate_derivative = derivative;
dc->writeback_rate_change = change;
dc->writeback_rate_target = target;
@@ -87,15 +89,11 @@ static void update_writeback_rate(struct work_struct *work)
static unsigned writeback_delay(struct cached_dev *dc, unsigned sectors)
{
- uint64_t ret;
-
if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) ||
!dc->writeback_percent)
return 0;
- ret = bch_next_delay(&dc->writeback_rate, sectors * 10000000ULL);
-
- return min_t(uint64_t, ret, HZ);
+ return bch_next_delay(&dc->writeback_rate, sectors);
}
struct dirty_io {
@@ -241,7 +239,7 @@ static void read_dirty(struct cached_dev *dc)
if (KEY_START(&w->key) != dc->last_read ||
jiffies_to_msecs(delay) > 50)
while (!kthread_should_stop() && delay)
- delay = schedule_timeout_interruptible(delay);
+ delay = schedule_timeout_uninterruptible(delay);
dc->last_read = KEY_OFFSET(&w->key);
@@ -438,7 +436,7 @@ static int bch_writeback_thread(void *arg)
while (delay &&
!kthread_should_stop() &&
!test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags))
- delay = schedule_timeout_interruptible(delay);
+ delay = schedule_timeout_uninterruptible(delay);
}
}
@@ -476,6 +474,8 @@ void bch_sectors_dirty_init(struct cached_dev *dc)
bch_btree_map_keys(&op.op, dc->disk.c, &KEY(op.inode, 0, 0),
sectors_dirty_init_fn, 0);
+
+ dc->disk.sectors_dirty_last = bcache_dev_sectors_dirty(&dc->disk);
}
int bch_cached_dev_writeback_init(struct cached_dev *dc)
@@ -490,18 +490,15 @@ int bch_cached_dev_writeback_init(struct cached_dev *dc)
dc->writeback_delay = 30;
dc->writeback_rate.rate = 1024;
- dc->writeback_rate_update_seconds = 30;
- dc->writeback_rate_d_term = 16;
- dc->writeback_rate_p_term_inverse = 64;
- dc->writeback_rate_d_smooth = 8;
+ dc->writeback_rate_update_seconds = 5;
+ dc->writeback_rate_d_term = 30;
+ dc->writeback_rate_p_term_inverse = 6000;
dc->writeback_thread = kthread_create(bch_writeback_thread, dc,
"bcache_writeback");
if (IS_ERR(dc->writeback_thread))
return PTR_ERR(dc->writeback_thread);
- set_task_state(dc->writeback_thread, TASK_INTERRUPTIBLE);
-
INIT_DELAYED_WORK(&dc->writeback_rate_update, update_writeback_rate);
schedule_delayed_work(&dc->writeback_rate_update,
dc->writeback_rate_update_seconds * HZ);
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 173cbb20d104..54bdd923316f 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1717,6 +1717,11 @@ static int __init dm_bufio_init(void)
{
__u64 mem;
+ dm_bufio_allocated_kmem_cache = 0;
+ dm_bufio_allocated_get_free_pages = 0;
+ dm_bufio_allocated_vmalloc = 0;
+ dm_bufio_current_allocated = 0;
+
memset(&dm_bufio_caches, 0, sizeof dm_bufio_caches);
memset(&dm_bufio_cache_names, 0, sizeof dm_bufio_cache_names);
diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c
index 416b7b752a6e..64780ad73bb0 100644
--- a/drivers/md/dm-cache-policy-mq.c
+++ b/drivers/md/dm-cache-policy-mq.c
@@ -730,15 +730,18 @@ static int pre_cache_entry_found(struct mq_policy *mq, struct entry *e,
int r = 0;
bool updated = updated_this_tick(mq, e);
- requeue_and_update_tick(mq, e);
-
if ((!discarded_oblock && updated) ||
- !should_promote(mq, e, discarded_oblock, data_dir))
+ !should_promote(mq, e, discarded_oblock, data_dir)) {
+ requeue_and_update_tick(mq, e);
result->op = POLICY_MISS;
- else if (!can_migrate)
+
+ } else if (!can_migrate)
r = -EWOULDBLOCK;
- else
+
+ else {
+ requeue_and_update_tick(mq, e);
r = pre_cache_to_cache(mq, e, result);
+ }
return r;
}
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 9efcf1059b99..1b1469ebe5cb 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -2755,7 +2755,7 @@ static int resize_cache_dev(struct cache *cache, dm_cblock_t new_size)
{
int r;
- r = dm_cache_resize(cache->cmd, cache->cache_size);
+ r = dm_cache_resize(cache->cmd, new_size);
if (r) {
DMERR("could not resize cache metadata");
return r;
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 496d5f3646a5..2f91d6d4a2cc 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -20,6 +20,7 @@
struct delay_c {
struct timer_list delay_timer;
struct mutex timer_lock;
+ struct workqueue_struct *kdelayd_wq;
struct work_struct flush_expired_bios;
struct list_head delayed_bios;
atomic_t may_delay;
@@ -45,14 +46,13 @@ struct dm_delay_info {
static DEFINE_MUTEX(delayed_bios_lock);
-static struct workqueue_struct *kdelayd_wq;
static struct kmem_cache *delayed_cache;
static void handle_delayed_timer(unsigned long data)
{
struct delay_c *dc = (struct delay_c *)data;
- queue_work(kdelayd_wq, &dc->flush_expired_bios);
+ queue_work(dc->kdelayd_wq, &dc->flush_expired_bios);
}
static void queue_timeout(struct delay_c *dc, unsigned long expires)
@@ -191,6 +191,12 @@ out:
goto bad_dev_write;
}
+ dc->kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0);
+ if (!dc->kdelayd_wq) {
+ DMERR("Couldn't start kdelayd");
+ goto bad_queue;
+ }
+
setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc);
INIT_WORK(&dc->flush_expired_bios, flush_expired_bios);
@@ -203,6 +209,8 @@ out:
ti->private = dc;
return 0;
+bad_queue:
+ mempool_destroy(dc->delayed_pool);
bad_dev_write:
if (dc->dev_write)
dm_put_device(ti, dc->dev_write);
@@ -217,7 +225,7 @@ static void delay_dtr(struct dm_target *ti)
{
struct delay_c *dc = ti->private;
- flush_workqueue(kdelayd_wq);
+ destroy_workqueue(dc->kdelayd_wq);
dm_put_device(ti, dc->dev_read);
@@ -350,12 +358,6 @@ static int __init dm_delay_init(void)
{
int r = -ENOMEM;
- kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0);
- if (!kdelayd_wq) {
- DMERR("Couldn't start kdelayd");
- goto bad_queue;
- }
-
delayed_cache = KMEM_CACHE(dm_delay_info, 0);
if (!delayed_cache) {
DMERR("Couldn't create delayed bio cache.");
@@ -373,8 +375,6 @@ static int __init dm_delay_init(void)
bad_register:
kmem_cache_destroy(delayed_cache);
bad_memcache:
- destroy_workqueue(kdelayd_wq);
-bad_queue:
return r;
}
@@ -382,7 +382,6 @@ static void __exit dm_delay_exit(void)
{
dm_unregister_target(&delay_target);
kmem_cache_destroy(delayed_cache);
- destroy_workqueue(kdelayd_wq);
}
/* Module hooks */
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index aec57d76db5d..944690bafd93 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -66,6 +66,18 @@ struct dm_snapshot {
atomic_t pending_exceptions_count;
+ /* Protected by "lock" */
+ sector_t exception_start_sequence;
+
+ /* Protected by kcopyd single-threaded callback */
+ sector_t exception_complete_sequence;
+
+ /*
+ * A list of pending exceptions that completed out of order.
+ * Protected by kcopyd single-threaded callback.
+ */
+ struct list_head out_of_order_list;
+
mempool_t *pending_pool;
struct dm_exception_table pending;
@@ -173,6 +185,14 @@ struct dm_snap_pending_exception {
*/
int started;
+ /* There was copying error. */
+ int copy_error;
+
+ /* A sequence number, it is used for in-order completion. */
+ sector_t exception_sequence;
+
+ struct list_head out_of_order_entry;
+
/*
* For writing a complete chunk, bypassing the copy.
*/
@@ -1094,6 +1114,9 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
s->valid = 1;
s->active = 0;
atomic_set(&s->pending_exceptions_count, 0);
+ s->exception_start_sequence = 0;
+ s->exception_complete_sequence = 0;
+ INIT_LIST_HEAD(&s->out_of_order_list);
init_rwsem(&s->lock);
INIT_LIST_HEAD(&s->list);
spin_lock_init(&s->pe_lock);
@@ -1443,6 +1466,19 @@ static void commit_callback(void *context, int success)
pending_complete(pe, success);
}
+static void complete_exception(struct dm_snap_pending_exception *pe)
+{
+ struct dm_snapshot *s = pe->snap;
+
+ if (unlikely(pe->copy_error))
+ pending_complete(pe, 0);
+
+ else
+ /* Update the metadata if we are persistent */
+ s->store->type->commit_exception(s->store, &pe->e,
+ commit_callback, pe);
+}
+
/*
* Called when the copy I/O has finished. kcopyd actually runs
* this code so don't block.
@@ -1452,13 +1488,32 @@ static void copy_callback(int read_err, unsigned long write_err, void *context)
struct dm_snap_pending_exception *pe = context;
struct dm_snapshot *s = pe->snap;
- if (read_err || write_err)
- pending_complete(pe, 0);
+ pe->copy_error = read_err || write_err;
- else
- /* Update the metadata if we are persistent */
- s->store->type->commit_exception(s->store, &pe->e,
- commit_callback, pe);
+ if (pe->exception_sequence == s->exception_complete_sequence) {
+ s->exception_complete_sequence++;
+ complete_exception(pe);
+
+ while (!list_empty(&s->out_of_order_list)) {
+ pe = list_entry(s->out_of_order_list.next,
+ struct dm_snap_pending_exception, out_of_order_entry);
+ if (pe->exception_sequence != s->exception_complete_sequence)
+ break;
+ s->exception_complete_sequence++;
+ list_del(&pe->out_of_order_entry);
+ complete_exception(pe);
+ }
+ } else {
+ struct list_head *lh;
+ struct dm_snap_pending_exception *pe2;
+
+ list_for_each_prev(lh, &s->out_of_order_list) {
+ pe2 = list_entry(lh, struct dm_snap_pending_exception, out_of_order_entry);
+ if (pe2->exception_sequence < pe->exception_sequence)
+ break;
+ }
+ list_add(&pe->out_of_order_entry, lh);
+ }
}
/*
@@ -1553,6 +1608,8 @@ __find_pending_exception(struct dm_snapshot *s,
return NULL;
}
+ pe->exception_sequence = s->exception_start_sequence++;
+
dm_insert_exception(&s->pending, &pe->e);
return pe;
@@ -2192,7 +2249,7 @@ static struct target_type origin_target = {
static struct target_type snapshot_target = {
.name = "snapshot",
- .version = {1, 11, 1},
+ .version = {1, 12, 0},
.module = THIS_MODULE,
.ctr = snapshot_ctr,
.dtr = snapshot_dtr,
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 3d404c1371ed..28a90122a5a8 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -964,6 +964,7 @@ int dm_stats_message(struct mapped_device *md, unsigned argc, char **argv,
int __init dm_statistics_init(void)
{
+ shared_memory_amount = 0;
dm_stat_need_rcu_barrier = 0;
return 0;
}
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 465f08ca62b1..3ba6a3859ce3 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -200,6 +200,11 @@ int dm_table_create(struct dm_table **result, fmode_t mode,
num_targets = dm_round_up(num_targets, KEYS_PER_NODE);
+ if (!num_targets) {
+ kfree(t);
+ return -ENOMEM;
+ }
+
if (alloc_targets(t, num_targets)) {
kfree(t);
return -ENOMEM;
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 60bce435f4fa..8a30ad54bd46 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1697,6 +1697,14 @@ void dm_pool_metadata_read_only(struct dm_pool_metadata *pmd)
up_write(&pmd->root_lock);
}
+void dm_pool_metadata_read_write(struct dm_pool_metadata *pmd)
+{
+ down_write(&pmd->root_lock);
+ pmd->read_only = false;
+ dm_bm_set_read_write(pmd->bm);
+ up_write(&pmd->root_lock);
+}
+
int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd,
dm_block_t threshold,
dm_sm_threshold_fn fn,
diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h
index 845ebbe589a9..7bcc0e1d6238 100644
--- a/drivers/md/dm-thin-metadata.h
+++ b/drivers/md/dm-thin-metadata.h
@@ -193,6 +193,7 @@ int dm_pool_resize_metadata_dev(struct dm_pool_metadata *pmd, dm_block_t new_siz
* that nothing is changing.
*/
void dm_pool_metadata_read_only(struct dm_pool_metadata *pmd);
+void dm_pool_metadata_read_write(struct dm_pool_metadata *pmd);
int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd,
dm_block_t threshold,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 2c0cf511ec23..ee29037ffc2e 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -640,7 +640,9 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
*/
r = dm_thin_insert_block(tc->td, m->virt_block, m->data_block);
if (r) {
- DMERR_LIMIT("dm_thin_insert_block() failed");
+ DMERR_LIMIT("%s: dm_thin_insert_block() failed: error = %d",
+ dm_device_name(pool->pool_md), r);
+ set_pool_mode(pool, PM_READ_ONLY);
cell_error(pool, m->cell);
goto out;
}
@@ -881,32 +883,23 @@ static void schedule_zero(struct thin_c *tc, dm_block_t virt_block,
}
}
-static int commit(struct pool *pool)
-{
- int r;
-
- r = dm_pool_commit_metadata(pool->pmd);
- if (r)
- DMERR_LIMIT("%s: commit failed: error = %d",
- dm_device_name(pool->pool_md), r);
-
- return r;
-}
-
/*
* A non-zero return indicates read_only or fail_io mode.
* Many callers don't care about the return value.
*/
-static int commit_or_fallback(struct pool *pool)
+static int commit(struct pool *pool)
{
int r;
if (get_pool_mode(pool) != PM_WRITE)
return -EINVAL;
- r = commit(pool);
- if (r)
+ r = dm_pool_commit_metadata(pool->pmd);
+ if (r) {
+ DMERR_LIMIT("%s: dm_pool_commit_metadata failed: error = %d",
+ dm_device_name(pool->pool_md), r);
set_pool_mode(pool, PM_READ_ONLY);
+ }
return r;
}
@@ -943,7 +936,9 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
* Try to commit to see if that will free up some
* more space.
*/
- (void) commit_or_fallback(pool);
+ r = commit(pool);
+ if (r)
+ return r;
r = dm_pool_get_free_block_count(pool->pmd, &free_blocks);
if (r)
@@ -957,7 +952,7 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
* table reload).
*/
if (!free_blocks) {
- DMWARN("%s: no free space available.",
+ DMWARN("%s: no free data space available.",
dm_device_name(pool->pool_md));
spin_lock_irqsave(&pool->lock, flags);
pool->no_free_space = 1;
@@ -967,8 +962,16 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
}
r = dm_pool_alloc_data_block(pool->pmd, result);
- if (r)
+ if (r) {
+ if (r == -ENOSPC &&
+ !dm_pool_get_free_metadata_block_count(pool->pmd, &free_blocks) &&
+ !free_blocks) {
+ DMWARN("%s: no free metadata space available.",
+ dm_device_name(pool->pool_md));
+ set_pool_mode(pool, PM_READ_ONLY);
+ }
return r;
+ }
return 0;
}
@@ -1349,7 +1352,7 @@ static void process_deferred_bios(struct pool *pool)
if (bio_list_empty(&bios) && !need_commit_due_to_time(pool))
return;
- if (commit_or_fallback(pool)) {
+ if (commit(pool)) {
while ((bio = bio_list_pop(&bios)))
bio_io_error(bio);
return;
@@ -1397,6 +1400,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode mode)
case PM_FAIL:
DMERR("%s: switching pool to failure mode",
dm_device_name(pool->pool_md));
+ dm_pool_metadata_read_only(pool->pmd);
pool->process_bio = process_bio_fail;
pool->process_discard = process_bio_fail;
pool->process_prepared_mapping = process_prepared_mapping_fail;
@@ -1421,6 +1425,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode mode)
break;
case PM_WRITE:
+ dm_pool_metadata_read_write(pool->pmd);
pool->process_bio = process_bio;
pool->process_discard = process_discard;
pool->process_prepared_mapping = process_prepared_mapping;
@@ -1637,12 +1642,19 @@ static int bind_control_target(struct pool *pool, struct dm_target *ti)
struct pool_c *pt = ti->private;
/*
- * We want to make sure that degraded pools are never upgraded.
+ * We want to make sure that a pool in PM_FAIL mode is never upgraded.
*/
enum pool_mode old_mode = pool->pf.mode;
enum pool_mode new_mode = pt->adjusted_pf.mode;
- if (old_mode > new_mode)
+ /*
+ * If we were in PM_FAIL mode, rollback of metadata failed. We're
+ * not going to recover without a thin_repair. So we never let the
+ * pool move out of the old mode. On the other hand a PM_READ_ONLY
+ * may have been due to a lack of metadata or data space, and may
+ * now work (ie. if the underlying devices have been resized).
+ */
+ if (old_mode == PM_FAIL)
new_mode = old_mode;
pool->ti = ti;
@@ -2266,7 +2278,7 @@ static int pool_preresume(struct dm_target *ti)
return r;
if (need_commit1 || need_commit2)
- (void) commit_or_fallback(pool);
+ (void) commit(pool);
return 0;
}
@@ -2293,7 +2305,7 @@ static void pool_postsuspend(struct dm_target *ti)
cancel_delayed_work(&pool->waker);
flush_workqueue(pool->wq);
- (void) commit_or_fallback(pool);
+ (void) commit(pool);
}
static int check_arg_count(unsigned argc, unsigned args_required)
@@ -2427,7 +2439,7 @@ static int process_reserve_metadata_snap_mesg(unsigned argc, char **argv, struct
if (r)
return r;
- (void) commit_or_fallback(pool);
+ (void) commit(pool);
r = dm_pool_reserve_metadata_snap(pool->pmd);
if (r)
@@ -2489,7 +2501,7 @@ static int pool_message(struct dm_target *ti, unsigned argc, char **argv)
DMWARN("Unrecognised thin pool target message received: %s", argv[0]);
if (!r)
- (void) commit_or_fallback(pool);
+ (void) commit(pool);
return r;
}
@@ -2544,7 +2556,7 @@ static void pool_status(struct dm_target *ti, status_type_t type,
/* Commit to ensure statistics aren't out-of-date */
if (!(status_flags & DM_STATUS_NOFLUSH_FLAG) && !dm_suspended(ti))
- (void) commit_or_fallback(pool);
+ (void) commit(pool);
r = dm_pool_get_metadata_transaction_id(pool->pmd, &transaction_id);
if (r) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index b6b7a2866c9e..21f4d7ff0da2 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -776,16 +776,10 @@ void md_super_wait(struct mddev *mddev)
finish_wait(&mddev->sb_wait, &wq);
}
-static void bi_complete(struct bio *bio, int error)
-{
- complete((struct completion*)bio->bi_private);
-}
-
int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
struct page *page, int rw, bool metadata_op)
{
struct bio *bio = bio_alloc_mddev(GFP_NOIO, 1, rdev->mddev);
- struct completion event;
int ret;
rw |= REQ_SYNC;
@@ -801,11 +795,7 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
else
bio->bi_sector = sector + rdev->data_offset;
bio_add_page(bio, page, size, 0);
- init_completion(&event);
- bio->bi_private = &event;
- bio->bi_end_io = bi_complete;
- submit_bio(rw, bio);
- wait_for_completion(&event);
+ submit_bio_wait(rw, bio);
ret = test_bit(BIO_UPTODATE, &bio->bi_flags);
bio_put(bio);
@@ -7777,7 +7767,7 @@ void md_check_recovery(struct mddev *mddev)
if (mddev->ro && !test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
return;
if ( ! (
- (mddev->flags & ~ (1<<MD_CHANGE_PENDING)) ||
+ (mddev->flags & MD_UPDATE_SB_FLAGS & ~ (1<<MD_CHANGE_PENDING)) ||
test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
test_bit(MD_RECOVERY_DONE, &mddev->recovery) ||
(mddev->external == 0 && mddev->safemode == 1) ||
diff --git a/drivers/md/persistent-data/dm-array.c b/drivers/md/persistent-data/dm-array.c
index af96e24ec328..1d75b1dc1e2e 100644
--- a/drivers/md/persistent-data/dm-array.c
+++ b/drivers/md/persistent-data/dm-array.c
@@ -317,8 +317,16 @@ static int shadow_ablock(struct dm_array_info *info, dm_block_t *root,
* The shadow op will often be a noop. Only insert if it really
* copied data.
*/
- if (dm_block_location(*block) != b)
+ if (dm_block_location(*block) != b) {
+ /*
+ * dm_tm_shadow_block will have already decremented the old
+ * block, but it is still referenced by the btree. We
+ * increment to stop the insert decrementing it below zero
+ * when overwriting the old value.
+ */
+ dm_tm_inc(info->btree_info.tm, b);
r = insert_ablock(info, index, *block, root);
+ }
return r;
}
diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c
index a7e8bf296388..064a3c271baa 100644
--- a/drivers/md/persistent-data/dm-block-manager.c
+++ b/drivers/md/persistent-data/dm-block-manager.c
@@ -626,6 +626,12 @@ void dm_bm_set_read_only(struct dm_block_manager *bm)
}
EXPORT_SYMBOL_GPL(dm_bm_set_read_only);
+void dm_bm_set_read_write(struct dm_block_manager *bm)
+{
+ bm->read_only = false;
+}
+EXPORT_SYMBOL_GPL(dm_bm_set_read_write);
+
u32 dm_bm_checksum(const void *data, size_t len, u32 init_xor)
{
return crc32c(~(u32) 0, data, len) ^ init_xor;
diff --git a/drivers/md/persistent-data/dm-block-manager.h b/drivers/md/persistent-data/dm-block-manager.h
index 9a82083a66b6..13cd58e1fe69 100644
--- a/drivers/md/persistent-data/dm-block-manager.h
+++ b/drivers/md/persistent-data/dm-block-manager.h
@@ -108,9 +108,9 @@ int dm_bm_unlock(struct dm_block *b);
int dm_bm_flush_and_unlock(struct dm_block_manager *bm,
struct dm_block *superblock);
- /*
- * Request data be prefetched into the cache.
- */
+/*
+ * Request data is prefetched into the cache.
+ */
void dm_bm_prefetch(struct dm_block_manager *bm, dm_block_t b);
/*
@@ -125,6 +125,7 @@ void dm_bm_prefetch(struct dm_block_manager *bm, dm_block_t b);
* be returned if you do.
*/
void dm_bm_set_read_only(struct dm_block_manager *bm);
+void dm_bm_set_read_write(struct dm_block_manager *bm);
u32 dm_bm_checksum(const void *data, size_t len, u32 init_xor);
diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c
index 6058569fe86c..466a60bbd716 100644
--- a/drivers/md/persistent-data/dm-space-map-common.c
+++ b/drivers/md/persistent-data/dm-space-map-common.c
@@ -381,7 +381,7 @@ int sm_ll_find_free_block(struct ll_disk *ll, dm_block_t begin,
}
static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b,
- uint32_t (*mutator)(void *context, uint32_t old),
+ int (*mutator)(void *context, uint32_t old, uint32_t *new),
void *context, enum allocation_event *ev)
{
int r;
@@ -410,11 +410,17 @@ static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b,
if (old > 2) {
r = sm_ll_lookup_big_ref_count(ll, b, &old);
- if (r < 0)
+ if (r < 0) {
+ dm_tm_unlock(ll->tm, nb);
return r;
+ }
}
- ref_count = mutator(context, old);
+ r = mutator(context, old, &ref_count);
+ if (r) {
+ dm_tm_unlock(ll->tm, nb);
+ return r;
+ }
if (ref_count <= 2) {
sm_set_bitmap(bm_le, bit, ref_count);
@@ -465,9 +471,10 @@ static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b,
return ll->save_ie(ll, index, &ie_disk);
}
-static uint32_t set_ref_count(void *context, uint32_t old)
+static int set_ref_count(void *context, uint32_t old, uint32_t *new)
{
- return *((uint32_t *) context);
+ *new = *((uint32_t *) context);
+ return 0;
}
int sm_ll_insert(struct ll_disk *ll, dm_block_t b,
@@ -476,9 +483,10 @@ int sm_ll_insert(struct ll_disk *ll, dm_block_t b,
return sm_ll_mutate(ll, b, set_ref_count, &ref_count, ev);
}
-static uint32_t inc_ref_count(void *context, uint32_t old)
+static int inc_ref_count(void *context, uint32_t old, uint32_t *new)
{
- return old + 1;
+ *new = old + 1;
+ return 0;
}
int sm_ll_inc(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev)
@@ -486,9 +494,15 @@ int sm_ll_inc(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev)
return sm_ll_mutate(ll, b, inc_ref_count, NULL, ev);
}
-static uint32_t dec_ref_count(void *context, uint32_t old)
+static int dec_ref_count(void *context, uint32_t old, uint32_t *new)
{
- return old - 1;
+ if (!old) {
+ DMERR_LIMIT("unable to decrement a reference count below 0");
+ return -EINVAL;
+ }
+
+ *new = old - 1;
+ return 0;
}
int sm_ll_dec(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev)
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index 1c959684caef..58fc1eef7499 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -384,12 +384,16 @@ static int sm_metadata_new_block(struct dm_space_map *sm, dm_block_t *b)
struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm);
int r = sm_metadata_new_block_(sm, b);
- if (r)
+ if (r) {
DMERR("unable to allocate new metadata block");
+ return r;
+ }
r = sm_metadata_get_nr_free(sm, &count);
- if (r)
+ if (r) {
DMERR("couldn't get free block count");
+ return r;
+ }
check_threshold(&smm->threshold, count);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 47da0af6322b..cc055da02e2a 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -678,26 +678,23 @@ get_active_stripe(struct r5conf *conf, sector_t sector,
} else
init_stripe(sh, sector, previous);
} else {
+ spin_lock(&conf->device_lock);
if (atomic_read(&sh->count)) {
BUG_ON(!list_empty(&sh->lru)
&& !test_bit(STRIPE_EXPANDING, &sh->state)
&& !test_bit(STRIPE_ON_UNPLUG_LIST, &sh->state)
- && !test_bit(STRIPE_ON_RELEASE_LIST, &sh->state));
+ );
} else {
- spin_lock(&conf->device_lock);
if (!test_bit(STRIPE_HANDLE, &sh->state))
atomic_inc(&conf->active_stripes);
- if (list_empty(&sh->lru) &&
- !test_bit(STRIPE_ON_RELEASE_LIST, &sh->state) &&
- !test_bit(STRIPE_EXPANDING, &sh->state))
- BUG();
+ BUG_ON(list_empty(&sh->lru));
list_del_init(&sh->lru);
if (sh->group) {
sh->group->stripes_cnt--;
sh->group = NULL;
}
- spin_unlock(&conf->device_lock);
}
+ spin_unlock(&conf->device_lock);
}
} while (sh == NULL);
@@ -5471,7 +5468,7 @@ static int alloc_thread_groups(struct r5conf *conf, int cnt,
for (i = 0; i < *group_cnt; i++) {
struct r5worker_group *group;
- group = worker_groups[i];
+ group = &(*worker_groups)[i];
INIT_LIST_HEAD(&group->handle_list);
group->conf = conf;
group->workers = workers + i * cnt;
diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h
index d0799e323364..9c9063cd3208 100644
--- a/drivers/media/common/siano/smscoreapi.h
+++ b/drivers/media/common/siano/smscoreapi.h
@@ -955,7 +955,7 @@ struct sms_rx_stats {
u32 modem_state; /* from SMSHOSTLIB_DVB_MODEM_STATE_ET */
s32 SNR; /* dB */
u32 ber; /* Post Viterbi ber [1E-5] */
- u32 ber_error_count; /* Number of erronous SYNC bits. */
+ u32 ber_error_count; /* Number of erroneous SYNC bits. */
u32 ber_bit_count; /* Total number of SYNC bits. */
u32 ts_per; /* Transport stream PER,
0xFFFFFFFF indicate N/A */
@@ -981,7 +981,7 @@ struct sms_rx_stats_ex {
u32 modem_state; /* from SMSHOSTLIB_DVB_MODEM_STATE_ET */
s32 SNR; /* dB */
u32 ber; /* Post Viterbi ber [1E-5] */
- u32 ber_error_count; /* Number of erronous SYNC bits. */
+ u32 ber_error_count; /* Number of erroneous SYNC bits. */
u32 ber_bit_count; /* Total number of SYNC bits. */
u32 ts_per; /* Transport stream PER,
0xFFFFFFFF indicate N/A */
diff --git a/drivers/media/common/siano/smsdvb.h b/drivers/media/common/siano/smsdvb.h
index 92c413ba0c79..ae36d0ae0fb1 100644
--- a/drivers/media/common/siano/smsdvb.h
+++ b/drivers/media/common/siano/smsdvb.h
@@ -95,7 +95,7 @@ struct RECEPTION_STATISTICS_PER_SLICES_S {
u32 is_demod_locked; /* 0 - not locked, 1 - locked */
u32 ber_bit_count; /* Total number of SYNC bits. */
- u32 ber_error_count; /* Number of erronous SYNC bits. */
+ u32 ber_error_count; /* Number of erroneous SYNC bits. */
s32 MRC_SNR; /* dB */
s32 mrc_in_band_pwr; /* In band power in dBM */
diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c
index 58de4410c525..6c7ff0cdcd32 100644
--- a/drivers/media/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb-core/dvb_demux.c
@@ -435,7 +435,7 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
dprintk_tscheck("TEI detected. "
"PID=0x%x data1=0x%x\n",
pid, buf[1]);
- /* data in this packet cant be trusted - drop it unless
+ /* data in this packet can't be trusted - drop it unless
* module option dvb_demux_feed_err_pkts is set */
if (!dvb_demux_feed_err_pkts)
return;
@@ -1032,8 +1032,13 @@ static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
return -EINVAL;
}
- if (feed->is_filtering)
+ if (feed->is_filtering) {
+ /* release dvbdmx->mutex as far as it is
+ acquired by stop_filtering() itself */
+ mutex_unlock(&dvbdmx->mutex);
feed->stop_filtering(feed);
+ mutex_lock(&dvbdmx->mutex);
+ }
spin_lock_irq(&dvbdmx->lock);
f = dvbdmxfeed->filter;
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 30ee59052157..65728c25ea05 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -170,18 +170,18 @@ static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val,
static int af9033_wr_reg_val_tab(struct af9033_state *state,
const struct reg_val *tab, int tab_len)
{
+#define MAX_TAB_LEN 212
int ret, i, j;
- u8 buf[MAX_XFER_SIZE];
+ u8 buf[1 + MAX_TAB_LEN];
+
+ dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
if (tab_len > sizeof(buf)) {
- dev_warn(&state->i2c->dev,
- "%s: i2c wr len=%d is too big!\n",
- KBUILD_MODNAME, tab_len);
+ dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n",
+ KBUILD_MODNAME, tab_len);
return -EINVAL;
}
- dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
-
for (i = 0, j = 0; i < tab_len; i++) {
buf[j] = tab[i].val;
diff --git a/drivers/media/dvb-frontends/cxd2820r_c.c b/drivers/media/dvb-frontends/cxd2820r_c.c
index 125a44041011..5c6ab4921bf1 100644
--- a/drivers/media/dvb-frontends/cxd2820r_c.c
+++ b/drivers/media/dvb-frontends/cxd2820r_c.c
@@ -78,7 +78,7 @@ int cxd2820r_set_frontend_c(struct dvb_frontend *fe)
num = if_freq / 1000; /* Hz => kHz */
num *= 0x4000;
- if_ctl = cxd2820r_div_u64_round_closest(num, 41000);
+ if_ctl = 0x4000 - cxd2820r_div_u64_round_closest(num, 41000);
buf[0] = (if_ctl >> 8) & 0x3f;
buf[1] = (if_ctl >> 0) & 0xff;
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
index 90536147bf04..6dbbee453ee1 100644
--- a/drivers/media/dvb-frontends/dib8000.c
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -3048,7 +3048,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
dib8000_set_diversity_in(state->fe[0], state->diversity_onoff);
locks = (dib8000_read_word(state, 180) >> 6) & 0x3f; /* P_coff_winlen ? */
- /* coff should lock over P_coff_winlen ofdm symbols : give 3 times this lenght to lock */
+ /* coff should lock over P_coff_winlen ofdm symbols : give 3 times this length to lock */
*timeout = dib8000_get_timeout(state, 2 * locks, SYMBOL_DEPENDENT_ON);
*tune_state = CT_DEMOD_STEP_5;
break;
@@ -3115,7 +3115,7 @@ static int dib8000_tune(struct dvb_frontend *fe)
case CT_DEMOD_STEP_9: /* 39 */
if ((state->revision == 0x8090) || ((dib8000_read_word(state, 1291) >> 9) & 0x1)) { /* fe capable of deinterleaving : esram */
- /* defines timeout for mpeg lock depending on interleaver lenght of longest layer */
+ /* defines timeout for mpeg lock depending on interleaver length of longest layer */
for (i = 0; i < 3; i++) {
if (c->layer[i].interleaving >= deeper_interleaver) {
dprintk("layer%i: time interleaver = %d ", i, c->layer[i].interleaving);
diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c
index d416c15691da..bf29a3f0e6f0 100644
--- a/drivers/media/dvb-frontends/drxk_hard.c
+++ b/drivers/media/dvb-frontends/drxk_hard.c
@@ -1191,7 +1191,7 @@ static int mpegts_configure_pins(struct drxk_state *state, bool mpeg_enable)
goto error;
if (state->m_enable_parallel == true) {
- /* paralel -> enable MD1 to MD7 */
+ /* parallel -> enable MD1 to MD7 */
status = write16(state, SIO_PDR_MD1_CFG__A,
sio_pdr_mdx_cfg);
if (status < 0)
@@ -1428,7 +1428,7 @@ static int mpegts_stop(struct drxk_state *state)
dprintk(1, "\n");
- /* Gracefull shutdown (byte boundaries) */
+ /* Graceful shutdown (byte boundaries) */
status = read16(state, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode);
if (status < 0)
goto error;
@@ -2021,7 +2021,7 @@ static int mpegts_dto_setup(struct drxk_state *state,
fec_oc_dto_burst_len = 204;
}
- /* Check serial or parrallel output */
+ /* Check serial or parallel output */
fec_oc_reg_ipr_mode &= (~(FEC_OC_IPR_MODE_SERIAL__M));
if (state->m_enable_parallel == false) {
/* MPEG data output is serial -> set ipr_mode[0] */
@@ -2908,7 +2908,7 @@ static int adc_synchronization(struct drxk_state *state)
goto error;
if (count == 1) {
- /* Try sampling on a diffrent edge */
+ /* Try sampling on a different edge */
u16 clk_neg = 0;
status = read16(state, IQM_AF_CLKNEG__A, &clk_neg);
@@ -3306,7 +3306,7 @@ static int dvbt_sc_command(struct drxk_state *state,
if (status < 0)
goto error;
- /* Retreive results parameters from SC */
+ /* Retrieve results parameters from SC */
switch (cmd) {
/* All commands yielding 5 results */
/* All commands yielding 4 results */
@@ -3849,7 +3849,7 @@ static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz,
break;
}
#if 0
- /* No hierachical channels support in BDA */
+ /* No hierarchical channels support in BDA */
/* Priority (only for hierarchical channels) */
switch (channel->priority) {
case DRX_PRIORITY_LOW:
@@ -4081,7 +4081,7 @@ error:
/*============================================================================*/
/**
-* \brief Retreive lock status .
+* \brief Retrieve lock status .
* \param demod Pointer to demodulator instance.
* \param lockStat Pointer to lock status structure.
* \return DRXStatus_t.
@@ -6174,7 +6174,7 @@ static int init_drxk(struct drxk_state *state)
goto error;
/* Stamp driver version number in SCU data RAM in BCD code
- Done to enable field application engineers to retreive drxdriver version
+ Done to enable field application engineers to retrieve drxdriver version
via I2C from SCU RAM.
Not using SCU command interface for SCU register access since no
microcode may be present.
@@ -6399,7 +6399,7 @@ static int drxk_set_parameters(struct dvb_frontend *fe)
fe->ops.tuner_ops.get_if_frequency(fe, &IF);
start(state, 0, IF);
- /* After set_frontend, stats aren't avaliable */
+ /* After set_frontend, stats aren't available */
p->strength.stat[0].scale = FE_SCALE_RELATIVE;
p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c
index 7efb796c472c..50e8b63e5169 100644
--- a/drivers/media/dvb-frontends/rtl2830.c
+++ b/drivers/media/dvb-frontends/rtl2830.c
@@ -710,6 +710,7 @@ struct dvb_frontend *rtl2830_attach(const struct rtl2830_config *cfg,
sizeof(priv->tuner_i2c_adapter.name));
priv->tuner_i2c_adapter.algo = &rtl2830_tuner_i2c_algo;
priv->tuner_i2c_adapter.algo_data = NULL;
+ priv->tuner_i2c_adapter.dev.parent = &i2c->dev;
i2c_set_adapdata(&priv->tuner_i2c_adapter, priv);
if (i2c_add_adapter(&priv->tuner_i2c_adapter) < 0) {
dev_err(&i2c->dev,
diff --git a/drivers/media/i2c/adv7183_regs.h b/drivers/media/i2c/adv7183_regs.h
index 4a5b7d211d2f..b253d400e817 100644
--- a/drivers/media/i2c/adv7183_regs.h
+++ b/drivers/media/i2c/adv7183_regs.h
@@ -52,9 +52,9 @@
#define ADV7183_VS_FIELD_CTRL_1 0x31 /* Vsync field control 1 */
#define ADV7183_VS_FIELD_CTRL_2 0x32 /* Vsync field control 2 */
#define ADV7183_VS_FIELD_CTRL_3 0x33 /* Vsync field control 3 */
-#define ADV7183_HS_POS_CTRL_1 0x34 /* Hsync positon control 1 */
-#define ADV7183_HS_POS_CTRL_2 0x35 /* Hsync positon control 2 */
-#define ADV7183_HS_POS_CTRL_3 0x36 /* Hsync positon control 3 */
+#define ADV7183_HS_POS_CTRL_1 0x34 /* Hsync position control 1 */
+#define ADV7183_HS_POS_CTRL_2 0x35 /* Hsync position control 2 */
+#define ADV7183_HS_POS_CTRL_3 0x36 /* Hsync position control 3 */
#define ADV7183_POLARITY 0x37 /* Polarity */
#define ADV7183_NTSC_COMB_CTRL 0x38 /* NTSC comb control */
#define ADV7183_PAL_COMB_CTRL 0x39 /* PAL comb control */
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index fbfdd2fc2a36..a324106b9f11 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -877,7 +877,7 @@ static void configure_custom_video_timings(struct v4l2_subdev *sd,
break;
case ADV7604_MODE_HDMI:
/* set default prim_mode/vid_std for HDMI
- accoring to [REF_03, c. 4.2] */
+ according to [REF_03, c. 4.2] */
io_write(sd, 0x00, 0x02); /* video std */
io_write(sd, 0x01, 0x06); /* prim mode */
break;
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 22f729d66a96..b154f36740b4 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -1013,7 +1013,7 @@ static void configure_custom_video_timings(struct v4l2_subdev *sd,
break;
case ADV7842_MODE_HDMI:
/* set default prim_mode/vid_std for HDMI
- accoring to [REF_03, c. 4.2] */
+ according to [REF_03, c. 4.2] */
io_write(sd, 0x00, 0x02); /* video std */
io_write(sd, 0x01, 0x06); /* prim mode */
break;
diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c
index 82bf5679da30..99ee456700f4 100644
--- a/drivers/media/i2c/ir-kbd-i2c.c
+++ b/drivers/media/i2c/ir-kbd-i2c.c
@@ -394,7 +394,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (!rc) {
/*
- * If platform_data doesn't specify rc_dev, initilize it
+ * If platform_data doesn't specify rc_dev, initialize it
* internally
*/
rc = rc_allocate_device();
diff --git a/drivers/media/i2c/m5mols/m5mols_controls.c b/drivers/media/i2c/m5mols/m5mols_controls.c
index f34429e452ab..a60931e66312 100644
--- a/drivers/media/i2c/m5mols/m5mols_controls.c
+++ b/drivers/media/i2c/m5mols/m5mols_controls.c
@@ -544,7 +544,7 @@ int m5mols_init_controls(struct v4l2_subdev *sd)
u16 zoom_step;
int ret;
- /* Determine the firmware dependant control range and step values */
+ /* Determine the firmware dependent control range and step values */
ret = m5mols_read_u16(sd, AE_MAX_GAIN_MON, &exposure_max);
if (ret < 0)
return ret;
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index 4734836fe5a4..1c2303d18bf4 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -19,6 +19,7 @@
#include <linux/i2c.h>
#include <linux/log2.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/pm.h>
#include <linux/regulator/consumer.h>
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
index 6fec9384d86e..e7f555cc827a 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
@@ -1460,7 +1460,7 @@ static int s5c73m3_oif_registered(struct v4l2_subdev *sd)
mutex_unlock(&state->lock);
v4l2_dbg(1, s5c73m3_dbg, sd, "%s: Booting %s (%d)\n",
- __func__, ret ? "failed" : "succeded", ret);
+ __func__, ret ? "failed" : "succeeded", ret);
return ret;
}
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3.h b/drivers/media/i2c/s5c73m3/s5c73m3.h
index 9d2c08652246..9dfa516f6944 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3.h
+++ b/drivers/media/i2c/s5c73m3/s5c73m3.h
@@ -393,7 +393,7 @@ struct s5c73m3 {
/* External master clock frequency */
u32 mclk_frequency;
- /* Video bus type - MIPI-CSI2/paralell */
+ /* Video bus type - MIPI-CSI2/parallel */
enum v4l2_mbus_type bus_type;
const struct s5c73m3_frame_size *sensor_pix_size[2];
diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c
index 637d02634527..afdbcb045cee 100644
--- a/drivers/media/i2c/saa7115.c
+++ b/drivers/media/i2c/saa7115.c
@@ -1699,7 +1699,7 @@ static void saa711x_write_platform_data(struct saa711x_state *state,
* the analog demod.
* If the tuner is not found, it returns -ENODEV.
* If auto-detection is disabled and the tuner doesn't match what it was
- * requred, it returns -EINVAL and fills 'name'.
+ * required, it returns -EINVAL and fills 'name'.
* If the chip is found, it returns the chip ID and fills 'name'.
*/
static int saa711x_detect_chip(struct i2c_client *client,
diff --git a/drivers/media/i2c/soc_camera/ov5642.c b/drivers/media/i2c/soc_camera/ov5642.c
index 0a5c5d4fedd6..d2daa6a8f272 100644
--- a/drivers/media/i2c/soc_camera/ov5642.c
+++ b/drivers/media/i2c/soc_camera/ov5642.c
@@ -642,7 +642,7 @@ static const struct ov5642_datafmt
static int reg_read(struct i2c_client *client, u16 reg, u8 *val)
{
int ret;
- /* We have 16-bit i2c addresses - care for endianess */
+ /* We have 16-bit i2c addresses - care for endianness */
unsigned char data[2] = { reg >> 8, reg & 0xff };
ret = i2c_master_send(client, data, 2);
diff --git a/drivers/media/i2c/ths7303.c b/drivers/media/i2c/ths7303.c
index 42276d93624c..ed9ae8875348 100644
--- a/drivers/media/i2c/ths7303.c
+++ b/drivers/media/i2c/ths7303.c
@@ -83,7 +83,8 @@ static int ths7303_write(struct v4l2_subdev *sd, u8 reg, u8 val)
}
/* following function is used to set ths7303 */
-int ths7303_setval(struct v4l2_subdev *sd, enum ths7303_filter_mode mode)
+static int ths7303_setval(struct v4l2_subdev *sd,
+ enum ths7303_filter_mode mode)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct ths7303_state *state = to_state(sd);
diff --git a/drivers/media/i2c/wm8775.c b/drivers/media/i2c/wm8775.c
index 3f584a7d0781..bee7946faa7c 100644
--- a/drivers/media/i2c/wm8775.c
+++ b/drivers/media/i2c/wm8775.c
@@ -130,12 +130,10 @@ static int wm8775_s_routing(struct v4l2_subdev *sd,
return -EINVAL;
}
state->input = input;
- if (!v4l2_ctrl_g_ctrl(state->mute))
+ if (v4l2_ctrl_g_ctrl(state->mute))
return 0;
if (!v4l2_ctrl_g_ctrl(state->vol))
return 0;
- if (!v4l2_ctrl_g_ctrl(state->bal))
- return 0;
wm8775_set_audio(sd, 1);
return 0;
}
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index a3b1ee9c00d7..92a06fd85865 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -4182,7 +4182,8 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
}
btv->std = V4L2_STD_PAL;
init_irqreg(btv);
- v4l2_ctrl_handler_setup(hdl);
+ if (!bttv_tvcards[btv->c.type].no_video)
+ v4l2_ctrl_handler_setup(hdl);
if (hdl->error) {
result = hdl->error;
goto fail2;
diff --git a/drivers/media/pci/cx18/cx18-driver.h b/drivers/media/pci/cx18/cx18-driver.h
index 2767c64df0c8..57f4688ea55b 100644
--- a/drivers/media/pci/cx18/cx18-driver.h
+++ b/drivers/media/pci/cx18/cx18-driver.h
@@ -262,7 +262,7 @@ struct cx18_options {
};
/* per-mdl bit flags */
-#define CX18_F_M_NEED_SWAP 0 /* mdl buffer data must be endianess swapped */
+#define CX18_F_M_NEED_SWAP 0 /* mdl buffer data must be endianness swapped */
/* per-stream, s_flags */
#define CX18_F_S_CLAIMED 3 /* this stream is claimed */
diff --git a/drivers/media/pci/cx23885/cx23885-417.c b/drivers/media/pci/cx23885/cx23885-417.c
index e3fc2c71808a..95666eee7b27 100644
--- a/drivers/media/pci/cx23885/cx23885-417.c
+++ b/drivers/media/pci/cx23885/cx23885-417.c
@@ -427,7 +427,7 @@ int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
cx_write(MC417_RWD, regval);
/* Transition RD to effect read transaction across bus.
- * Transtion 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
+ * Transition 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
* Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
* input only...)
*/
diff --git a/drivers/media/pci/pluto2/pluto2.c b/drivers/media/pci/pluto2/pluto2.c
index 8164d74b46a4..655d6854a8d7 100644
--- a/drivers/media/pci/pluto2/pluto2.c
+++ b/drivers/media/pci/pluto2/pluto2.c
@@ -401,7 +401,7 @@ static int pluto_hw_init(struct pluto *pluto)
/* set automatic LED control by FPGA */
pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
- /* set data endianess */
+ /* set data endianness */
#ifdef __LITTLE_ENDIAN
pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
#else
diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index 57ef5456f1e8..1bf06970ca3e 100644
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -1354,9 +1354,11 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
if (fw_debug) {
dev->kthread = kthread_run(saa7164_thread_function, dev,
"saa7164 debug");
- if (!dev->kthread)
+ if (IS_ERR(dev->kthread)) {
+ dev->kthread = NULL;
printk(KERN_ERR "%s() Failed to create "
"debug kernel thread\n", __func__);
+ }
}
} /* != BOARD_UNKNOWN */
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index bd72fb97fea5..61f3dbcc259f 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -1434,7 +1434,7 @@ static void coda_buf_queue(struct vb2_buffer *vb)
if (q_data->fourcc == V4L2_PIX_FMT_H264 &&
vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
/*
- * For backwards compatiblity, queuing an empty buffer marks
+ * For backwards compatibility, queuing an empty buffer marks
* the stream end
*/
if (vb2_get_plane_payload(vb, 0) == 0)
diff --git a/drivers/media/platform/exynos4-is/fimc-core.c b/drivers/media/platform/exynos4-is/fimc-core.c
index 3d66d88ea3a1..f7915695c907 100644
--- a/drivers/media/platform/exynos4-is/fimc-core.c
+++ b/drivers/media/platform/exynos4-is/fimc-core.c
@@ -1039,7 +1039,7 @@ static int fimc_runtime_resume(struct device *dev)
dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
- /* Enable clocks and perform basic initalization */
+ /* Enable clocks and perform basic initialization */
clk_enable(fimc->clock[CLK_GATE]);
fimc_hw_reset(fimc);
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 7a4ee4c0449d..c1bce170df6f 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -759,7 +759,7 @@ static int fimc_md_register_platform_entity(struct fimc_md *fmd,
goto dev_unlock;
drvdata = dev_get_drvdata(dev);
- /* Some subdev didn't probe succesfully id drvdata is NULL */
+ /* Some subdev didn't probe successfully id drvdata is NULL */
if (drvdata) {
switch (plat_entity) {
case IDX_FIMC:
diff --git a/drivers/media/platform/marvell-ccic/mmp-driver.c b/drivers/media/platform/marvell-ccic/mmp-driver.c
index 3458fa0e2fd5..054507f16734 100644
--- a/drivers/media/platform/marvell-ccic/mmp-driver.c
+++ b/drivers/media/platform/marvell-ccic/mmp-driver.c
@@ -142,12 +142,6 @@ static int mmpcam_power_up(struct mcam_camera *mcam)
struct mmp_camera *cam = mcam_to_cam(mcam);
struct mmp_camera_platform_data *pdata;
- if (mcam->bus_type == V4L2_MBUS_CSI2) {
- cam->mipi_clk = devm_clk_get(mcam->dev, "mipi");
- if ((IS_ERR(cam->mipi_clk) && mcam->dphy[2] == 0))
- return PTR_ERR(cam->mipi_clk);
- }
-
/*
* Turn on power and clocks to the controller.
*/
@@ -186,12 +180,6 @@ static void mmpcam_power_down(struct mcam_camera *mcam)
gpio_set_value(pdata->sensor_power_gpio, 0);
gpio_set_value(pdata->sensor_reset_gpio, 0);
- if (mcam->bus_type == V4L2_MBUS_CSI2 && !IS_ERR(cam->mipi_clk)) {
- if (cam->mipi_clk)
- devm_clk_put(mcam->dev, cam->mipi_clk);
- cam->mipi_clk = NULL;
- }
-
mcam_clk_disable(mcam);
}
@@ -292,8 +280,9 @@ void mmpcam_calc_dphy(struct mcam_camera *mcam)
return;
/* get the escape clk, this is hard coded */
+ clk_prepare_enable(cam->mipi_clk);
tx_clk_esc = (clk_get_rate(cam->mipi_clk) / 1000000) / 12;
-
+ clk_disable_unprepare(cam->mipi_clk);
/*
* dphy[2] - CSI2_DPHY6:
* bit 0 ~ bit 7: CK Term Enable
@@ -325,19 +314,6 @@ static irqreturn_t mmpcam_irq(int irq, void *data)
return IRQ_RETVAL(handled);
}
-static void mcam_deinit_clk(struct mcam_camera *mcam)
-{
- unsigned int i;
-
- for (i = 0; i < NR_MCAM_CLK; i++) {
- if (!IS_ERR(mcam->clk[i])) {
- if (mcam->clk[i])
- devm_clk_put(mcam->dev, mcam->clk[i]);
- }
- mcam->clk[i] = NULL;
- }
-}
-
static void mcam_init_clk(struct mcam_camera *mcam)
{
unsigned int i;
@@ -371,7 +347,6 @@ static int mmpcam_probe(struct platform_device *pdev)
if (cam == NULL)
return -ENOMEM;
cam->pdev = pdev;
- cam->mipi_clk = NULL;
INIT_LIST_HEAD(&cam->devlist);
mcam = &cam->mcam;
@@ -387,6 +362,11 @@ static int mmpcam_probe(struct platform_device *pdev)
mcam->mclk_div = pdata->mclk_div;
mcam->bus_type = pdata->bus_type;
mcam->dphy = pdata->dphy;
+ if (mcam->bus_type == V4L2_MBUS_CSI2) {
+ cam->mipi_clk = devm_clk_get(mcam->dev, "mipi");
+ if ((IS_ERR(cam->mipi_clk) && mcam->dphy[2] == 0))
+ return PTR_ERR(cam->mipi_clk);
+ }
mcam->mipi_enabled = false;
mcam->lane = pdata->lane;
mcam->chip_id = MCAM_ARMADA610;
@@ -444,7 +424,7 @@ static int mmpcam_probe(struct platform_device *pdev)
*/
ret = mmpcam_power_up(mcam);
if (ret)
- goto out_deinit_clk;
+ return ret;
ret = mccic_register(mcam);
if (ret)
goto out_power_down;
@@ -469,8 +449,6 @@ out_unregister:
mccic_shutdown(mcam);
out_power_down:
mmpcam_power_down(mcam);
-out_deinit_clk:
- mcam_deinit_clk(mcam);
return ret;
}
@@ -478,18 +456,10 @@ out_deinit_clk:
static int mmpcam_remove(struct mmp_camera *cam)
{
struct mcam_camera *mcam = &cam->mcam;
- struct mmp_camera_platform_data *pdata;
mmpcam_remove_device(cam);
mccic_shutdown(mcam);
mmpcam_power_down(mcam);
- pdata = cam->pdev->dev.platform_data;
- gpio_free(pdata->sensor_reset_gpio);
- gpio_free(pdata->sensor_power_gpio);
- mcam_deinit_clk(mcam);
- iounmap(cam->power_regs);
- iounmap(mcam->regs);
- kfree(cam);
return 0;
}
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 1c3608039663..561bce8ffb1b 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -1673,7 +1673,7 @@ void omap3isp_print_status(struct isp_device *isp)
* ISP clocks get disabled in suspend(). Similarly, the clocks are reenabled in
* resume(), and the the pipelines are restarted in complete().
*
- * TODO: PM dependencies between the ISP and sensors are not modeled explicitly
+ * TODO: PM dependencies between the ISP and sensors are not modelled explicitly
* yet.
*/
static int isp_pm_prepare(struct device *dev)
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index a908d006f527..f6304bb074f5 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -339,14 +339,11 @@ __isp_video_get_format(struct isp_video *video, struct v4l2_format *format)
if (subdev == NULL)
return -EINVAL;
- mutex_lock(&video->mutex);
-
fmt.pad = pad;
fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
- ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
- if (ret == -ENOIOCTLCMD)
- ret = -EINVAL;
+ mutex_lock(&video->mutex);
+ ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
mutex_unlock(&video->mutex);
if (ret)
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc.h b/drivers/media/platform/s5p-mfc/regs-mfc.h
index 9319e93599ae..6ccc3f8c122a 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc.h
@@ -382,7 +382,7 @@
#define S5P_FIMV_R2H_CMD_EDFU_INIT_RET 16
#define S5P_FIMV_R2H_CMD_ERR_RET 32
-/* Dummy definition for MFCv6 compatibilty */
+/* Dummy definition for MFCv6 compatibility */
#define S5P_FIMV_CODEC_H264_MVC_DEC -1
#define S5P_FIMV_R2H_CMD_FIELD_DONE_RET -1
#define S5P_FIMV_MFC_RESET -1
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 5f2c4ad6c2cb..e46067a57853 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -239,7 +239,7 @@ static void s5p_mfc_handle_frame_copy_time(struct s5p_mfc_ctx *ctx)
frame_type = s5p_mfc_hw_call(dev->mfc_ops, get_dec_frame_type, dev);
/* Copy timestamp / timecode from decoded src to dst and set
- appropraite flags */
+ appropriate flags */
src_buf = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
list_for_each_entry(dst_buf, &ctx->dst_queue, list) {
if (vb2_dma_contig_plane_dma_addr(dst_buf->b, 0) == dec_y_addr) {
@@ -428,7 +428,7 @@ static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
case MFCINST_FINISHING:
case MFCINST_FINISHED:
case MFCINST_RUNNING:
- /* It is higly probable that an error occured
+ /* It is highly probable that an error occurred
* while decoding a frame */
clear_work_bit(ctx);
ctx->state = MFCINST_ERROR;
@@ -611,7 +611,7 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
mfc_debug(1, "Int reason: %d (err: %08x)\n", reason, err);
switch (reason) {
case S5P_MFC_R2H_CMD_ERR_RET:
- /* An error has occured */
+ /* An error has occurred */
if (ctx->state == MFCINST_RUNNING &&
s5p_mfc_hw_call(dev->mfc_ops, err_dec, err) >=
dev->warn_start)
@@ -840,7 +840,7 @@ static int s5p_mfc_open(struct file *file)
mutex_unlock(&dev->mfc_mutex);
mfc_debug_leave();
return ret;
- /* Deinit when failure occured */
+ /* Deinit when failure occurred */
err_queue_init:
if (dev->num_inst == 1)
s5p_mfc_deinit_hw(dev);
@@ -881,14 +881,14 @@ static int s5p_mfc_release(struct file *file)
/* Mark context as idle */
clear_work_bit_irqsave(ctx);
/* If instance was initialised then
- * return instance and free reosurces */
+ * return instance and free resources */
if (ctx->inst_no != MFC_NO_INSTANCE_SET) {
mfc_debug(2, "Has to free instance\n");
ctx->state = MFCINST_RETURN_INST;
set_work_bit_irqsave(ctx);
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
- /* Wait until instance is returned or timeout occured */
+ /* Wait until instance is returned or timeout occurred */
if (s5p_mfc_wait_for_done_ctx
(ctx, S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET, 0)) {
s5p_mfc_clock_off();
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
index 7cab6849fb5b..2475a3c9a0a6 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
@@ -69,7 +69,7 @@ int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev)
} else {
/* In this case bank2 can point to the same address as bank1.
- * Firmware will always occupy the beggining of this area so it is
+ * Firmware will always occupy the beginning of this area so it is
* impossible having a video frame buffer with zero address. */
dev->bank2 = dev->bank1;
}
diff --git a/drivers/media/platform/s5p-tv/mixer.h b/drivers/media/platform/s5p-tv/mixer.h
index 04e6490a45be..fb2acc53112a 100644
--- a/drivers/media/platform/s5p-tv/mixer.h
+++ b/drivers/media/platform/s5p-tv/mixer.h
@@ -65,7 +65,7 @@ struct mxr_format {
int num_subframes;
/** specifies to which subframe belong given plane */
int plane2subframe[MXR_MAX_PLANES];
- /** internal code, driver dependant */
+ /** internal code, driver dependent */
unsigned long cookie;
};
diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c
index 641b1f071e06..81b97db111d8 100644
--- a/drivers/media/platform/s5p-tv/mixer_video.c
+++ b/drivers/media/platform/s5p-tv/mixer_video.c
@@ -528,7 +528,7 @@ static int mxr_s_dv_timings(struct file *file, void *fh,
mutex_lock(&mdev->mutex);
/* timings change cannot be done while there is an entity
- * dependant on output configuration
+ * dependent on output configuration
*/
if (mdev->n_output > 0) {
mutex_unlock(&mdev->mutex);
@@ -585,7 +585,7 @@ static int mxr_s_std(struct file *file, void *fh, v4l2_std_id norm)
mutex_lock(&mdev->mutex);
/* standard change cannot be done while there is an entity
- * dependant on output configuration
+ * dependent on output configuration
*/
if (mdev->n_output > 0) {
mutex_unlock(&mdev->mutex);
diff --git a/drivers/media/platform/soc_camera/omap1_camera.c b/drivers/media/platform/soc_camera/omap1_camera.c
index 6769193c7c7b..74ce8b6b79fa 100644
--- a/drivers/media/platform/soc_camera/omap1_camera.c
+++ b/drivers/media/platform/soc_camera/omap1_camera.c
@@ -1495,7 +1495,7 @@ static int omap1_cam_set_bus_param(struct soc_camera_device *icd)
if (ctrlclock & LCLK_EN)
CAM_WRITE(pcdev, CTRLCLOCK, ctrlclock);
- /* select bus endianess */
+ /* select bus endianness */
xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
fmt = xlate->host_fmt;
diff --git a/drivers/media/platform/vivi.c b/drivers/media/platform/vivi.c
index 1d3f11965196..2d4e73b45c5e 100644
--- a/drivers/media/platform/vivi.c
+++ b/drivers/media/platform/vivi.c
@@ -1108,7 +1108,7 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
return 0;
}
-/* timeperframe is arbitrary and continous */
+/* timeperframe is arbitrary and continuous */
static int vidioc_enum_frameintervals(struct file *file, void *priv,
struct v4l2_frmivalenum *fival)
{
@@ -1125,7 +1125,7 @@ static int vidioc_enum_frameintervals(struct file *file, void *priv,
fival->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
- /* fill in stepwise (step=1.0 is requred by V4L2 spec) */
+ /* fill in stepwise (step=1.0 is required by V4L2 spec) */
fival->stepwise.min = tpf_min;
fival->stepwise.max = tpf_max;
fival->stepwise.step = (struct v4l2_fract) {1, 1};
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
index 1c9e771aa15c..d16bf0f41e24 100644
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/vsp1/vsp1_drv.c
@@ -323,7 +323,7 @@ static void vsp1_clocks_disable(struct vsp1_device *vsp1)
* Increment the VSP1 reference count and initialize the device if the first
* reference is taken.
*
- * Return a pointer to the VSP1 device or NULL if an error occured.
+ * Return a pointer to the VSP1 device or NULL if an error occurred.
*/
struct vsp1_device *vsp1_device_get(struct vsp1_device *vsp1)
{
diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index 714c53ef6c11..4b0ac07af662 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -1026,8 +1026,10 @@ int vsp1_video_init(struct vsp1_video *video, struct vsp1_entity *rwpf)
/* ... and the buffers queue... */
video->alloc_ctx = vb2_dma_contig_init_ctx(video->vsp1->dev);
- if (IS_ERR(video->alloc_ctx))
+ if (IS_ERR(video->alloc_ctx)) {
+ ret = PTR_ERR(video->alloc_ctx);
goto error;
+ }
video->queue.type = video->type;
video->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
diff --git a/drivers/media/radio/radio-shark.c b/drivers/media/radio/radio-shark.c
index 3db8a8cfe1a8..050b3bb96fec 100644
--- a/drivers/media/radio/radio-shark.c
+++ b/drivers/media/radio/radio-shark.c
@@ -271,8 +271,7 @@ static void shark_unregister_leds(struct shark_device *shark)
cancel_work_sync(&shark->led_work);
}
-#ifdef CONFIG_PM
-static void shark_resume_leds(struct shark_device *shark)
+static inline void shark_resume_leds(struct shark_device *shark)
{
if (test_bit(BLUE_IS_PULSE, &shark->brightness_new))
set_bit(BLUE_PULSE_LED, &shark->brightness_new);
@@ -281,7 +280,6 @@ static void shark_resume_leds(struct shark_device *shark)
set_bit(RED_LED, &shark->brightness_new);
schedule_work(&shark->led_work);
}
-#endif
#else
static int shark_register_leds(struct shark_device *shark, struct device *dev)
{
diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio-shark2.c
index d86d90dab8bf..8654e0dc5c95 100644
--- a/drivers/media/radio/radio-shark2.c
+++ b/drivers/media/radio/radio-shark2.c
@@ -237,8 +237,7 @@ static void shark_unregister_leds(struct shark_device *shark)
cancel_work_sync(&shark->led_work);
}
-#ifdef CONFIG_PM
-static void shark_resume_leds(struct shark_device *shark)
+static inline void shark_resume_leds(struct shark_device *shark)
{
int i;
@@ -247,7 +246,6 @@ static void shark_resume_leds(struct shark_device *shark)
schedule_work(&shark->led_work);
}
-#endif
#else
static int shark_register_leds(struct shark_device *shark, struct device *dev)
{
diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c
index 9c9084cb99f7..2fd9009f8663 100644
--- a/drivers/media/radio/radio-si476x.c
+++ b/drivers/media/radio/radio-si476x.c
@@ -268,8 +268,8 @@ struct si476x_radio;
*
* @tune_freq: Tune chip to a specific frequency
* @seek_start: Star station seeking
- * @rsq_status: Get Recieved Signal Quality(RSQ) status
- * @rds_blckcnt: Get recived RDS blocks count
+ * @rsq_status: Get Received Signal Quality(RSQ) status
+ * @rds_blckcnt: Get received RDS blocks count
* @phase_diversity: Change phase diversity mode of the tuner
* @phase_div_status: Get phase diversity mode status
* @acf_status: Get the status of Automatically Controlled
diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c
index 036e2f54f4db..3ed1f5669f79 100644
--- a/drivers/media/radio/radio-tea5764.c
+++ b/drivers/media/radio/radio-tea5764.c
@@ -356,7 +356,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
So we keep it as-is. */
return -EINVAL;
}
- clamp(freq, FREQ_MIN * FREQ_MUL, FREQ_MAX * FREQ_MUL);
+ freq = clamp(freq, FREQ_MIN * FREQ_MUL, FREQ_MAX * FREQ_MUL);
tea5764_power_up(radio);
tea5764_tune(radio, (freq * 125) / 2);
return 0;
diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c
index 69e3245a58a0..a9319a24c7ef 100644
--- a/drivers/media/radio/tef6862.c
+++ b/drivers/media/radio/tef6862.c
@@ -112,7 +112,7 @@ static int tef6862_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequen
if (f->tuner != 0)
return -EINVAL;
- clamp(freq, TEF6862_LO_FREQ, TEF6862_HI_FREQ);
+ freq = clamp(freq, TEF6862_LO_FREQ, TEF6862_HI_FREQ);
pll = 1964 + ((freq - TEF6862_LO_FREQ) * 20) / FREQ_MUL;
i2cmsg[0] = (MSA_MODE_PRESET << MSA_MODE_SHIFT) | WM_SUB_PLLM;
i2cmsg[1] = (pll >> 8) & 0xff;
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 72e3fa652481..f329485c6629 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -1370,7 +1370,7 @@ static void imon_pad_to_keys(struct imon_context *ictx, unsigned char *buf)
* 0x68nnnnB7 to 0x6AnnnnB7, the left mouse button generates
* 0x688301b7 and the right one 0x688481b7. All other keys generate
* 0x2nnnnnnn. Position coordinate is encoded in buf[1] and buf[2] with
- * reversed endianess. Extract direction from buffer, rotate endianess,
+ * reversed endianness. Extract direction from buffer, rotate endianness,
* adjust sign and feed the values into stabilize(). The resulting codes
* will be 0x01008000, 0x01007F00, which match the newer devices.
*/
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 094484fac94c..a5d4f883d053 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -118,7 +118,7 @@ static int debug;
#define RR3_IR_IO_LENGTH_FUZZ 0x04
/* Timeout for end of signal detection */
#define RR3_IR_IO_SIG_TIMEOUT 0x05
-/* Minumum value for pause recognition. */
+/* Minimum value for pause recognition. */
#define RR3_IR_IO_MIN_PAUSE 0x06
/* Clock freq. of EZ-USB chip */
diff --git a/drivers/media/tuners/mt2063.c b/drivers/media/tuners/mt2063.c
index 2e1a02e360ff..20cca405bf45 100644
--- a/drivers/media/tuners/mt2063.c
+++ b/drivers/media/tuners/mt2063.c
@@ -1195,7 +1195,7 @@ static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state,
* DNC Output is selected, the other is always off)
*
* @state: ptr to mt2063_state structure
- * @Mode: desired reciever delivery system
+ * @Mode: desired receiver delivery system
*
* Note: Register cache must be valid for it to work
*/
@@ -2119,7 +2119,7 @@ static int mt2063_set_analog_params(struct dvb_frontend *fe,
/*
* As defined on EN 300 429, the DVB-C roll-off factor is 0.15.
- * So, the amount of the needed bandwith is given by:
+ * So, the amount of the needed bandwidth is given by:
* Bw = Symbol_rate * (1 + 0.15)
* As such, the maximum symbol rate supported by 6 MHz is given by:
* max_symbol_rate = 6 MHz / 1.15 = 5217391 Bauds
diff --git a/drivers/media/tuners/tuner-xc2028-types.h b/drivers/media/tuners/tuner-xc2028-types.h
index 74dc46a71f64..7e4798783db7 100644
--- a/drivers/media/tuners/tuner-xc2028-types.h
+++ b/drivers/media/tuners/tuner-xc2028-types.h
@@ -119,7 +119,7 @@
#define V4L2_STD_A2 (V4L2_STD_A2_A | V4L2_STD_A2_B)
#define V4L2_STD_NICAM (V4L2_STD_NICAM_A | V4L2_STD_NICAM_B)
-/* To preserve backward compatibilty,
+/* To preserve backward compatibility,
(std & V4L2_STD_AUDIO) = 0 means that ALL audio stds are supported
*/
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index e9d017bea377..528cce958a82 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1412,8 +1412,8 @@ err_v4l2:
usb_set_intfdata(interface, NULL);
err_if:
usb_put_dev(udev);
- kfree(dev);
clear_bit(dev->devno, &cx231xx_devused);
+ kfree(dev);
return retval;
}
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index c8fcd78425bd..8f9b2cea88f0 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -131,7 +131,7 @@ static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
{
u8 wbuf[MAX_XFER_SIZE];
u8 mbox = (reg >> 16) & 0xff;
- struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL };
+ struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL };
if (6 + len > sizeof(wbuf)) {
dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n",
@@ -238,14 +238,15 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
} else {
/* I2C */
u8 buf[MAX_XFER_SIZE];
- struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
+ struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len,
buf, msg[1].len, msg[1].buf };
if (5 + msg[0].len > sizeof(buf)) {
dev_warn(&d->udev->dev,
"%s: i2c xfer: len=%d is too big!\n",
KBUILD_MODNAME, msg[0].len);
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ goto unlock;
}
req.mbox |= ((msg[0].addr & 0x80) >> 3);
buf[0] = msg[1].len;
@@ -274,14 +275,15 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
} else {
/* I2C */
u8 buf[MAX_XFER_SIZE];
- struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf,
- 0, NULL };
+ struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len,
+ buf, 0, NULL };
if (5 + msg[0].len > sizeof(buf)) {
dev_warn(&d->udev->dev,
"%s: i2c xfer: len=%d is too big!\n",
KBUILD_MODNAME, msg[0].len);
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ goto unlock;
}
req.mbox |= ((msg[0].addr & 0x80) >> 3);
buf[0] = msg[0].len;
@@ -319,6 +321,7 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
ret = -EOPNOTSUPP;
}
+unlock:
mutex_unlock(&d->i2c_mutex);
if (ret < 0)
@@ -1534,6 +1537,8 @@ static const struct usb_device_id af9035_id_table[] = {
/* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
&af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
+ { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
+ &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
{ }
};
MODULE_DEVICE_TABLE(usb, af9035_id_table);
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.c b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
index 2627553f7de1..08240e498451 100644
--- a/drivers/media/usb/dvb-usb-v2/mxl111sf.c
+++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
@@ -266,7 +266,7 @@ static int mxl111sf_adap_fe_init(struct dvb_frontend *fe)
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe->id];
int err;
- /* exit if we didnt initialize the driver yet */
+ /* exit if we didn't initialize the driver yet */
if (!state->chip_id) {
mxl_debug("driver not yet initialized, exit.");
goto fail;
@@ -322,7 +322,7 @@ static int mxl111sf_adap_fe_sleep(struct dvb_frontend *fe)
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe->id];
int err;
- /* exit if we didnt initialize the driver yet */
+ /* exit if we didn't initialize the driver yet */
if (!state->chip_id) {
mxl_debug("driver not yet initialized, exit.");
goto fail;
diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c
index 40832a1aef6c..98d24aefb640 100644
--- a/drivers/media/usb/dvb-usb/technisat-usb2.c
+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c
@@ -102,7 +102,7 @@ static int technisat_usb2_i2c_access(struct usb_device *udev,
if (rxlen > 62) {
err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)",
device_addr);
- txlen = 62;
+ rxlen = 62;
}
b[0] = I2C_SPEED_100KHZ_BIT;
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index fc5d60efd4ab..dd19c9ff76e0 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1664,8 +1664,8 @@ static int em28xx_v4l2_close(struct file *filp)
em28xx_videodbg("users=%d\n", dev->users);
- mutex_lock(&dev->lock);
vb2_fop_release(filp);
+ mutex_lock(&dev->lock);
if (dev->users == 1) {
/* the device is already disconnect,
diff --git a/drivers/media/usb/gspca/gl860/gl860.c b/drivers/media/usb/gspca/gl860/gl860.c
index cb1e64ca59c9..cea8d7f51c3c 100644
--- a/drivers/media/usb/gspca/gl860/gl860.c
+++ b/drivers/media/usb/gspca/gl860/gl860.c
@@ -438,7 +438,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
s32 nToSkip =
sd->swapRB * (gspca_dev->cam.cam_mode[mode].bytesperline + 1);
- /* Test only against 0202h, so endianess does not matter */
+ /* Test only against 0202h, so endianness does not matter */
switch (*(s16 *) data) {
case 0x0202: /* End of frame, start a new one */
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
diff --git a/drivers/media/usb/gspca/pac207.c b/drivers/media/usb/gspca/pac207.c
index cd79c180f67b..07529e5a0c56 100644
--- a/drivers/media/usb/gspca/pac207.c
+++ b/drivers/media/usb/gspca/pac207.c
@@ -416,7 +416,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
#if IS_ENABLED(CONFIG_INPUT)
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* interrupt packet data */
- int len) /* interrput packet length */
+ int len) /* interrupt packet length */
{
int ret = -EINVAL;
diff --git a/drivers/media/usb/gspca/pac7302.c b/drivers/media/usb/gspca/pac7302.c
index a91509643563..2fd1c5e31a0f 100644
--- a/drivers/media/usb/gspca/pac7302.c
+++ b/drivers/media/usb/gspca/pac7302.c
@@ -874,7 +874,7 @@ static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
#if IS_ENABLED(CONFIG_INPUT)
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* interrupt packet data */
- int len) /* interrput packet length */
+ int len) /* interrupt packet length */
{
int ret = -EINVAL;
u8 data0, data1;
diff --git a/drivers/media/usb/gspca/stk1135.c b/drivers/media/usb/gspca/stk1135.c
index 1fc80af2a189..48234c9a8b6c 100644
--- a/drivers/media/usb/gspca/stk1135.c
+++ b/drivers/media/usb/gspca/stk1135.c
@@ -361,6 +361,9 @@ static void stk1135_configure_clock(struct gspca_dev *gspca_dev)
/* set serial interface clock divider (30MHz/0x1f*16+2) = 60240 kHz) */
reg_w(gspca_dev, STK1135_REG_SICTL + 2, 0x1f);
+
+ /* wait a while for sensor to catch up */
+ udelay(1000);
}
static void stk1135_camera_disable(struct gspca_dev *gspca_dev)
diff --git a/drivers/media/usb/gspca/stv0680.c b/drivers/media/usb/gspca/stv0680.c
index 9c0827631b9c..7f94ec74282e 100644
--- a/drivers/media/usb/gspca/stv0680.c
+++ b/drivers/media/usb/gspca/stv0680.c
@@ -139,7 +139,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam = &gspca_dev->cam;
- /* Give the camera some time to settle, otherwise initalization will
+ /* Give the camera some time to settle, otherwise initialization will
fail on hotplug, and yes it really needs a full second. */
msleep(1000);
diff --git a/drivers/media/usb/gspca/sunplus.c b/drivers/media/usb/gspca/sunplus.c
index a517d185febe..46c9f2229a18 100644
--- a/drivers/media/usb/gspca/sunplus.c
+++ b/drivers/media/usb/gspca/sunplus.c
@@ -1027,6 +1027,7 @@ static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x055f, 0xc650), BS(SPCA533, 0)},
{USB_DEVICE(0x05da, 0x1018), BS(SPCA504B, 0)},
{USB_DEVICE(0x06d6, 0x0031), BS(SPCA533, 0)},
+ {USB_DEVICE(0x06d6, 0x0041), BS(SPCA504B, 0)},
{USB_DEVICE(0x0733, 0x1311), BS(SPCA533, 0)},
{USB_DEVICE(0x0733, 0x1314), BS(SPCA533, 0)},
{USB_DEVICE(0x0733, 0x2211), BS(SPCA533, 0)},
diff --git a/drivers/media/usb/gspca/zc3xx.c b/drivers/media/usb/gspca/zc3xx.c
index 7b95d8e88a20..d3e1b6d8bf49 100644
--- a/drivers/media/usb/gspca/zc3xx.c
+++ b/drivers/media/usb/gspca/zc3xx.c
@@ -6905,7 +6905,7 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
#if IS_ENABLED(CONFIG_INPUT)
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* interrupt packet data */
- int len) /* interrput packet length */
+ int len) /* interrupt packet length */
{
if (len == 8 && data[4] == 1) {
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index 77bbf7889659..78c9bc8e7f56 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -1039,7 +1039,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
/* Set the leds off */
pwc_set_leds(pdev, 0, 0);
- /* Setup intial videomode */
+ /* Setup initial videomode */
rc = pwc_set_video_mode(pdev, MAX_WIDTH, MAX_HEIGHT,
V4L2_PIX_FMT_YUV420, 30, &compression, 1);
if (rc)
diff --git a/drivers/media/usb/usbtv/usbtv.c b/drivers/media/usb/usbtv/usbtv.c
index 8a505a90d318..6222a4ab1e00 100644
--- a/drivers/media/usb/usbtv/usbtv.c
+++ b/drivers/media/usb/usbtv/usbtv.c
@@ -50,13 +50,8 @@
#define USBTV_ISOC_TRANSFERS 16
#define USBTV_ISOC_PACKETS 8
-#define USBTV_WIDTH 720
-#define USBTV_HEIGHT 480
-
#define USBTV_CHUNK_SIZE 256
#define USBTV_CHUNK 240
-#define USBTV_CHUNKS (USBTV_WIDTH * USBTV_HEIGHT \
- / 4 / USBTV_CHUNK)
/* Chunk header. */
#define USBTV_MAGIC_OK(chunk) ((be32_to_cpu(chunk[0]) & 0xff000000) \
@@ -65,6 +60,27 @@
#define USBTV_ODD(chunk) ((be32_to_cpu(chunk[0]) & 0x0000f000) >> 15)
#define USBTV_CHUNK_NO(chunk) (be32_to_cpu(chunk[0]) & 0x00000fff)
+#define USBTV_TV_STD (V4L2_STD_525_60 | V4L2_STD_PAL)
+
+/* parameters for supported TV norms */
+struct usbtv_norm_params {
+ v4l2_std_id norm;
+ int cap_width, cap_height;
+};
+
+static struct usbtv_norm_params norm_params[] = {
+ {
+ .norm = V4L2_STD_525_60,
+ .cap_width = 720,
+ .cap_height = 480,
+ },
+ {
+ .norm = V4L2_STD_PAL,
+ .cap_width = 720,
+ .cap_height = 576,
+ }
+};
+
/* A single videobuf2 frame buffer. */
struct usbtv_buf {
struct vb2_buffer vb;
@@ -94,11 +110,38 @@ struct usbtv {
USBTV_COMPOSITE_INPUT,
USBTV_SVIDEO_INPUT,
} input;
+ v4l2_std_id norm;
+ int width, height;
+ int n_chunks;
int iso_size;
unsigned int sequence;
struct urb *isoc_urbs[USBTV_ISOC_TRANSFERS];
};
+static int usbtv_configure_for_norm(struct usbtv *usbtv, v4l2_std_id norm)
+{
+ int i, ret = 0;
+ struct usbtv_norm_params *params = NULL;
+
+ for (i = 0; i < ARRAY_SIZE(norm_params); i++) {
+ if (norm_params[i].norm & norm) {
+ params = &norm_params[i];
+ break;
+ }
+ }
+
+ if (params) {
+ usbtv->width = params->cap_width;
+ usbtv->height = params->cap_height;
+ usbtv->n_chunks = usbtv->width * usbtv->height
+ / 4 / USBTV_CHUNK;
+ usbtv->norm = params->norm;
+ } else
+ ret = -EINVAL;
+
+ return ret;
+}
+
static int usbtv_set_regs(struct usbtv *usbtv, const u16 regs[][2], int size)
{
int ret;
@@ -158,6 +201,57 @@ static int usbtv_select_input(struct usbtv *usbtv, int input)
return ret;
}
+static int usbtv_select_norm(struct usbtv *usbtv, v4l2_std_id norm)
+{
+ int ret;
+ static const u16 pal[][2] = {
+ { USBTV_BASE + 0x001a, 0x0068 },
+ { USBTV_BASE + 0x010e, 0x0072 },
+ { USBTV_BASE + 0x010f, 0x00a2 },
+ { USBTV_BASE + 0x0112, 0x00b0 },
+ { USBTV_BASE + 0x0117, 0x0001 },
+ { USBTV_BASE + 0x0118, 0x002c },
+ { USBTV_BASE + 0x012d, 0x0010 },
+ { USBTV_BASE + 0x012f, 0x0020 },
+ { USBTV_BASE + 0x024f, 0x0002 },
+ { USBTV_BASE + 0x0254, 0x0059 },
+ { USBTV_BASE + 0x025a, 0x0016 },
+ { USBTV_BASE + 0x025b, 0x0035 },
+ { USBTV_BASE + 0x0263, 0x0017 },
+ { USBTV_BASE + 0x0266, 0x0016 },
+ { USBTV_BASE + 0x0267, 0x0036 }
+ };
+
+ static const u16 ntsc[][2] = {
+ { USBTV_BASE + 0x001a, 0x0079 },
+ { USBTV_BASE + 0x010e, 0x0068 },
+ { USBTV_BASE + 0x010f, 0x009c },
+ { USBTV_BASE + 0x0112, 0x00f0 },
+ { USBTV_BASE + 0x0117, 0x0000 },
+ { USBTV_BASE + 0x0118, 0x00fc },
+ { USBTV_BASE + 0x012d, 0x0004 },
+ { USBTV_BASE + 0x012f, 0x0008 },
+ { USBTV_BASE + 0x024f, 0x0001 },
+ { USBTV_BASE + 0x0254, 0x005f },
+ { USBTV_BASE + 0x025a, 0x0012 },
+ { USBTV_BASE + 0x025b, 0x0001 },
+ { USBTV_BASE + 0x0263, 0x001c },
+ { USBTV_BASE + 0x0266, 0x0011 },
+ { USBTV_BASE + 0x0267, 0x0005 }
+ };
+
+ ret = usbtv_configure_for_norm(usbtv, norm);
+
+ if (!ret) {
+ if (norm & V4L2_STD_525_60)
+ ret = usbtv_set_regs(usbtv, ntsc, ARRAY_SIZE(ntsc));
+ else if (norm & V4L2_STD_PAL)
+ ret = usbtv_set_regs(usbtv, pal, ARRAY_SIZE(pal));
+ }
+
+ return ret;
+}
+
static int usbtv_setup_capture(struct usbtv *usbtv)
{
int ret;
@@ -225,26 +319,11 @@ static int usbtv_setup_capture(struct usbtv *usbtv)
{ USBTV_BASE + 0x0284, 0x0088 },
{ USBTV_BASE + 0x0003, 0x0004 },
- { USBTV_BASE + 0x001a, 0x0079 },
{ USBTV_BASE + 0x0100, 0x00d3 },
- { USBTV_BASE + 0x010e, 0x0068 },
- { USBTV_BASE + 0x010f, 0x009c },
- { USBTV_BASE + 0x0112, 0x00f0 },
{ USBTV_BASE + 0x0115, 0x0015 },
- { USBTV_BASE + 0x0117, 0x0000 },
- { USBTV_BASE + 0x0118, 0x00fc },
- { USBTV_BASE + 0x012d, 0x0004 },
- { USBTV_BASE + 0x012f, 0x0008 },
{ USBTV_BASE + 0x0220, 0x002e },
{ USBTV_BASE + 0x0225, 0x0008 },
{ USBTV_BASE + 0x024e, 0x0002 },
- { USBTV_BASE + 0x024f, 0x0001 },
- { USBTV_BASE + 0x0254, 0x005f },
- { USBTV_BASE + 0x025a, 0x0012 },
- { USBTV_BASE + 0x025b, 0x0001 },
- { USBTV_BASE + 0x0263, 0x001c },
- { USBTV_BASE + 0x0266, 0x0011 },
- { USBTV_BASE + 0x0267, 0x0005 },
{ USBTV_BASE + 0x024e, 0x0002 },
{ USBTV_BASE + 0x024f, 0x0002 },
};
@@ -253,6 +332,10 @@ static int usbtv_setup_capture(struct usbtv *usbtv)
if (ret)
return ret;
+ ret = usbtv_select_norm(usbtv, usbtv->norm);
+ if (ret)
+ return ret;
+
ret = usbtv_select_input(usbtv, usbtv->input);
if (ret)
return ret;
@@ -296,7 +379,7 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk)
frame_id = USBTV_FRAME_ID(chunk);
odd = USBTV_ODD(chunk);
chunk_no = USBTV_CHUNK_NO(chunk);
- if (chunk_no >= USBTV_CHUNKS)
+ if (chunk_no >= usbtv->n_chunks)
return;
/* Beginning of a frame. */
@@ -324,10 +407,10 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk)
usbtv->chunks_done++;
/* Last chunk in a frame, signalling an end */
- if (odd && chunk_no == USBTV_CHUNKS-1) {
+ if (odd && chunk_no == usbtv->n_chunks-1) {
int size = vb2_plane_size(&buf->vb, 0);
enum vb2_buffer_state state = usbtv->chunks_done ==
- USBTV_CHUNKS ?
+ usbtv->n_chunks ?
VB2_BUF_STATE_DONE :
VB2_BUF_STATE_ERROR;
@@ -500,6 +583,8 @@ static int usbtv_querycap(struct file *file, void *priv,
static int usbtv_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
+ struct usbtv *dev = video_drvdata(file);
+
switch (i->index) {
case USBTV_COMPOSITE_INPUT:
strlcpy(i->name, "Composite", sizeof(i->name));
@@ -512,7 +597,7 @@ static int usbtv_enum_input(struct file *file, void *priv,
}
i->type = V4L2_INPUT_TYPE_CAMERA;
- i->std = V4L2_STD_525_60;
+ i->std = dev->vdev.tvnorms;
return 0;
}
@@ -531,23 +616,37 @@ static int usbtv_enum_fmt_vid_cap(struct file *file, void *priv,
static int usbtv_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- f->fmt.pix.width = USBTV_WIDTH;
- f->fmt.pix.height = USBTV_HEIGHT;
+ struct usbtv *usbtv = video_drvdata(file);
+
+ f->fmt.pix.width = usbtv->width;
+ f->fmt.pix.height = usbtv->height;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
- f->fmt.pix.bytesperline = USBTV_WIDTH * 2;
+ f->fmt.pix.bytesperline = usbtv->width * 2;
f->fmt.pix.sizeimage = (f->fmt.pix.bytesperline * f->fmt.pix.height);
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
+
return 0;
}
static int usbtv_g_std(struct file *file, void *priv, v4l2_std_id *norm)
{
- *norm = V4L2_STD_525_60;
+ struct usbtv *usbtv = video_drvdata(file);
+ *norm = usbtv->norm;
return 0;
}
+static int usbtv_s_std(struct file *file, void *priv, v4l2_std_id norm)
+{
+ int ret = -EINVAL;
+ struct usbtv *usbtv = video_drvdata(file);
+
+ if ((norm & V4L2_STD_525_60) || (norm & V4L2_STD_PAL))
+ ret = usbtv_select_norm(usbtv, norm);
+
+ return ret;
+}
+
static int usbtv_g_input(struct file *file, void *priv, unsigned int *i)
{
struct usbtv *usbtv = video_drvdata(file);
@@ -561,13 +660,6 @@ static int usbtv_s_input(struct file *file, void *priv, unsigned int i)
return usbtv_select_input(usbtv, i);
}
-static int usbtv_s_std(struct file *file, void *priv, v4l2_std_id norm)
-{
- if (norm & V4L2_STD_525_60)
- return 0;
- return -EINVAL;
-}
-
struct v4l2_ioctl_ops usbtv_ioctl_ops = {
.vidioc_querycap = usbtv_querycap,
.vidioc_enum_input = usbtv_enum_input,
@@ -604,10 +696,12 @@ static int usbtv_queue_setup(struct vb2_queue *vq,
const struct v4l2_format *v4l_fmt, unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
{
+ struct usbtv *usbtv = vb2_get_drv_priv(vq);
+
if (*nbuffers < 2)
*nbuffers = 2;
*nplanes = 1;
- sizes[0] = USBTV_WIDTH * USBTV_HEIGHT / 2 * sizeof(u32);
+ sizes[0] = USBTV_CHUNK * usbtv->n_chunks * 2 * sizeof(u32);
return 0;
}
@@ -690,7 +784,11 @@ static int usbtv_probe(struct usb_interface *intf,
return -ENOMEM;
usbtv->dev = dev;
usbtv->udev = usb_get_dev(interface_to_usbdev(intf));
+
usbtv->iso_size = size;
+
+ (void)usbtv_configure_for_norm(usbtv, V4L2_STD_525_60);
+
spin_lock_init(&usbtv->buflock);
mutex_init(&usbtv->v4l2_lock);
mutex_init(&usbtv->vb2q_lock);
@@ -727,7 +825,7 @@ static int usbtv_probe(struct usb_interface *intf,
usbtv->vdev.release = video_device_release_empty;
usbtv->vdev.fops = &usbtv_fops;
usbtv->vdev.ioctl_ops = &usbtv_ioctl_ops;
- usbtv->vdev.tvnorms = V4L2_STD_525_60;
+ usbtv->vdev.tvnorms = USBTV_TV_STD;
usbtv->vdev.queue = &usbtv->vb2q;
usbtv->vdev.lock = &usbtv->v4l2_lock;
set_bit(V4L2_FL_USE_FH_PRIO, &usbtv->vdev.flags);
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 899cb6d1c4a4..898c208889cd 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -556,7 +556,7 @@ static u16 uvc_video_clock_host_sof(const struct uvc_clock_sample *sample)
*
* SOF = ((SOF2 - SOF1) * PTS + SOF1 * STC2 - SOF2 * STC1) / (STC2 - STC1) (1)
*
- * to avoid loosing precision in the division. Similarly, the host timestamp is
+ * to avoid losing precision in the division. Similarly, the host timestamp is
* computed with
*
* TS = ((TS2 - TS1) * PTS + TS1 * SOF2 - TS2 * SOF1) / (SOF2 - SOF1) (2)
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 60dcc0f3b32e..fb46790d0eca 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -420,7 +420,7 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
"Advanced Simple",
"Core",
"Simple Scalable",
- "Advanced Coding Efficency",
+ "Advanced Coding Efficiency",
NULL,
};
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index b19b306c8f7f..0edc165f418d 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -145,6 +145,25 @@ static void __vb2_buf_dmabuf_put(struct vb2_buffer *vb)
}
/**
+ * __setup_lengths() - setup initial lengths for every plane in
+ * every buffer on the queue
+ */
+static void __setup_lengths(struct vb2_queue *q, unsigned int n)
+{
+ unsigned int buffer, plane;
+ struct vb2_buffer *vb;
+
+ for (buffer = q->num_buffers; buffer < q->num_buffers + n; ++buffer) {
+ vb = q->bufs[buffer];
+ if (!vb)
+ continue;
+
+ for (plane = 0; plane < vb->num_planes; ++plane)
+ vb->v4l2_planes[plane].length = q->plane_sizes[plane];
+ }
+}
+
+/**
* __setup_offsets() - setup unique offsets ("cookies") for every plane in
* every buffer on the queue
*/
@@ -169,7 +188,6 @@ static void __setup_offsets(struct vb2_queue *q, unsigned int n)
continue;
for (plane = 0; plane < vb->num_planes; ++plane) {
- vb->v4l2_planes[plane].length = q->plane_sizes[plane];
vb->v4l2_planes[plane].m.mem_offset = off;
dprintk(3, "Buffer %d, plane %d offset 0x%08lx\n",
@@ -241,6 +259,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum v4l2_memory memory,
q->bufs[q->num_buffers + buffer] = vb;
}
+ __setup_lengths(q, buffer);
if (memory == V4L2_MEMORY_MMAP)
__setup_offsets(q, buffer);
@@ -1824,8 +1843,8 @@ int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb)
return -EINVAL;
}
- if (eb->flags & ~O_CLOEXEC) {
- dprintk(1, "Queue does support only O_CLOEXEC flag\n");
+ if (eb->flags & ~(O_CLOEXEC | O_ACCMODE)) {
+ dprintk(1, "Queue does support only O_CLOEXEC and access mode flags\n");
return -EINVAL;
}
@@ -1848,14 +1867,14 @@ int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb)
vb_plane = &vb->planes[eb->plane];
- dbuf = call_memop(q, get_dmabuf, vb_plane->mem_priv);
+ dbuf = call_memop(q, get_dmabuf, vb_plane->mem_priv, eb->flags & O_ACCMODE);
if (IS_ERR_OR_NULL(dbuf)) {
dprintk(1, "Failed to export buffer %d, plane %d\n",
eb->index, eb->plane);
return -EINVAL;
}
- ret = dma_buf_fd(dbuf, eb->flags);
+ ret = dma_buf_fd(dbuf, eb->flags & ~O_ACCMODE);
if (ret < 0) {
dprintk(3, "buffer %d, plane %d failed to export (%d)\n",
eb->index, eb->plane, ret);
diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c
index 646f08f4f504..33d3871d1e13 100644
--- a/drivers/media/v4l2-core/videobuf2-dma-contig.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c
@@ -393,7 +393,7 @@ static struct sg_table *vb2_dc_get_base_sgt(struct vb2_dc_buf *buf)
return sgt;
}
-static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv)
+static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv, unsigned long flags)
{
struct vb2_dc_buf *buf = buf_priv;
struct dma_buf *dbuf;
@@ -404,7 +404,7 @@ static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv)
if (WARN_ON(!buf->sgt_base))
return NULL;
- dbuf = dma_buf_export(buf, &vb2_dc_dmabuf_ops, buf->size, 0);
+ dbuf = dma_buf_export(buf, &vb2_dc_dmabuf_ops, buf->size, flags);
if (IS_ERR(dbuf))
return NULL;
diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c
index 2f860543912c..0d3a8ffe47a3 100644
--- a/drivers/media/v4l2-core/videobuf2-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c
@@ -178,7 +178,7 @@ static void *vb2_dma_sg_get_userptr(void *alloc_ctx, unsigned long vaddr,
buf->pages = kzalloc(buf->num_pages * sizeof(struct page *),
GFP_KERNEL);
if (!buf->pages)
- return NULL;
+ goto userptr_fail_alloc_pages;
num_pages_from_user = get_user_pages(current, current->mm,
vaddr & PAGE_MASK,
@@ -204,6 +204,7 @@ userptr_fail_get_user_pages:
while (--num_pages_from_user >= 0)
put_page(buf->pages[num_pages_from_user]);
kfree(buf->pages);
+userptr_fail_alloc_pages:
kfree(buf);
return NULL;
}
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 62a60caa5d1f..dd671582c9a1 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -32,7 +32,7 @@ config MFD_AS3722
select MFD_CORE
select REGMAP_I2C
select REGMAP_IRQ
- depends on I2C && OF
+ depends on I2C=y && OF
help
The ams AS3722 is a compact system PMU suitable for mobile phones,
tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index da1c6566d93d..37edf9e989b0 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -506,7 +506,7 @@ static struct lpc_ich_info lpc_chipset_info[] = {
.iTCO_version = 2,
},
[LPC_WPT_LP] = {
- .name = "Lynx Point_LP",
+ .name = "Wildcat Point_LP",
.iTCO_version = 2,
},
};
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 11e20afbdcac..705698fd2c7e 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -1228,8 +1228,14 @@ static void rtsx_pci_remove(struct pci_dev *pcidev)
pcr->remove_pci = true;
- cancel_delayed_work(&pcr->carddet_work);
- cancel_delayed_work(&pcr->idle_work);
+ /* Disable interrupts at the pcr level */
+ spin_lock_irq(&pcr->lock);
+ rtsx_pci_writel(pcr, RTSX_BIER, 0);
+ pcr->bier = 0;
+ spin_unlock_irq(&pcr->lock);
+
+ cancel_delayed_work_sync(&pcr->carddet_work);
+ cancel_delayed_work_sync(&pcr->idle_work);
mfd_remove_devices(&pcidev->dev);
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 34c18fb8c089..54cc25546592 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -81,31 +81,31 @@ static struct of_device_id sec_dt_match[] = {
int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest)
{
- return regmap_read(sec_pmic->regmap, reg, dest);
+ return regmap_read(sec_pmic->regmap_pmic, reg, dest);
}
EXPORT_SYMBOL_GPL(sec_reg_read);
int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf)
{
- return regmap_bulk_read(sec_pmic->regmap, reg, buf, count);
+ return regmap_bulk_read(sec_pmic->regmap_pmic, reg, buf, count);
}
EXPORT_SYMBOL_GPL(sec_bulk_read);
int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value)
{
- return regmap_write(sec_pmic->regmap, reg, value);
+ return regmap_write(sec_pmic->regmap_pmic, reg, value);
}
EXPORT_SYMBOL_GPL(sec_reg_write);
int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf)
{
- return regmap_raw_write(sec_pmic->regmap, reg, buf, count);
+ return regmap_raw_write(sec_pmic->regmap_pmic, reg, buf, count);
}
EXPORT_SYMBOL_GPL(sec_bulk_write);
int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask)
{
- return regmap_update_bits(sec_pmic->regmap, reg, mask, val);
+ return regmap_update_bits(sec_pmic->regmap_pmic, reg, mask, val);
}
EXPORT_SYMBOL_GPL(sec_reg_update);
@@ -166,6 +166,11 @@ static struct regmap_config s5m8767_regmap_config = {
.cache_type = REGCACHE_FLAT,
};
+static const struct regmap_config sec_rtc_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
#ifdef CONFIG_OF
/*
* Only the common platform data elements for s5m8767 are parsed here from the
@@ -266,9 +271,9 @@ static int sec_pmic_probe(struct i2c_client *i2c,
break;
}
- sec_pmic->regmap = devm_regmap_init_i2c(i2c, regmap);
- if (IS_ERR(sec_pmic->regmap)) {
- ret = PTR_ERR(sec_pmic->regmap);
+ sec_pmic->regmap_pmic = devm_regmap_init_i2c(i2c, regmap);
+ if (IS_ERR(sec_pmic->regmap_pmic)) {
+ ret = PTR_ERR(sec_pmic->regmap_pmic);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
@@ -277,6 +282,15 @@ static int sec_pmic_probe(struct i2c_client *i2c,
sec_pmic->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
i2c_set_clientdata(sec_pmic->rtc, sec_pmic);
+ sec_pmic->regmap_rtc = devm_regmap_init_i2c(sec_pmic->rtc,
+ &sec_rtc_regmap_config);
+ if (IS_ERR(sec_pmic->regmap_rtc)) {
+ ret = PTR_ERR(sec_pmic->regmap_rtc);
+ dev_err(&i2c->dev, "Failed to allocate RTC register map: %d\n",
+ ret);
+ return ret;
+ }
+
if (pdata && pdata->cfg_pmic_irq)
pdata->cfg_pmic_irq();
diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
index 0dd84e99081e..b441b1be27cb 100644
--- a/drivers/mfd/sec-irq.c
+++ b/drivers/mfd/sec-irq.c
@@ -280,19 +280,19 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
switch (type) {
case S5M8763X:
- ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq,
+ ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, &s5m8763_irq_chip,
&sec_pmic->irq_data);
break;
case S5M8767X:
- ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq,
+ ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, &s5m8767_irq_chip,
&sec_pmic->irq_data);
break;
case S2MPS11X:
- ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq,
+ ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, &s2mps11_irq_chip,
&sec_pmic->irq_data);
diff --git a/drivers/mfd/ti-ssp.c b/drivers/mfd/ti-ssp.c
index 71e3e0c5bf73..a5424579679c 100644
--- a/drivers/mfd/ti-ssp.c
+++ b/drivers/mfd/ti-ssp.c
@@ -32,6 +32,7 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/sched.h>
#include <linux/mfd/core.h>
#include <linux/mfd/ti_ssp.h>
@@ -409,7 +410,6 @@ static int ti_ssp_probe(struct platform_device *pdev)
cells[id].id = id;
cells[id].name = data->dev_name;
cells[id].platform_data = data->pdata;
- cells[id].data_size = data->pdata_size;
}
error = mfd_add_devices(dev, 0, cells, 2, NULL, 0, NULL);
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 0e8df41aaf14..2cf2bbc0b927 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -198,6 +198,13 @@ static void enclosure_remove_links(struct enclosure_component *cdev)
{
char name[ENCLOSURE_NAME_SIZE];
+ /*
+ * In odd circumstances, like multipath devices, something else may
+ * already have removed the links, so check for this condition first.
+ */
+ if (!cdev->dev->kobj.sd)
+ return;
+
enclosure_link_name(cdev, name);
sysfs_remove_link(&cdev->dev->kobj, name);
sysfs_remove_link(&cdev->cdev.kobj, "device");
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index 6c0fde55270d..66f411a6e8ea 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -109,9 +109,12 @@
#define MEI_DEV_ID_PPT_2 0x1CBA /* Panther Point */
#define MEI_DEV_ID_PPT_3 0x1DBA /* Panther Point */
-#define MEI_DEV_ID_LPT 0x8C3A /* Lynx Point */
+#define MEI_DEV_ID_LPT_H 0x8C3A /* Lynx Point H */
#define MEI_DEV_ID_LPT_W 0x8D3A /* Lynx Point - Wellsburg */
#define MEI_DEV_ID_LPT_LP 0x9C3A /* Lynx Point LP */
+#define MEI_DEV_ID_LPT_HR 0x8CBA /* Lynx Point H Refresh */
+
+#define MEI_DEV_ID_WPT_LP 0x9CBA /* Wildcat Point LP */
/*
* MEI HW Section
*/
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index b96205aece0c..2cab3c0a6805 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -76,9 +76,11 @@ static DEFINE_PCI_DEVICE_TABLE(mei_me_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_PPT_1)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_PPT_2)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_PPT_3)},
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_LPT)},
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_LPT_H)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_LPT_W)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_LPT_LP)},
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_LPT_HR)},
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_WPT_LP)},
/* required last entry */
{0, }
diff --git a/drivers/misc/mic/card/mic_virtio.c b/drivers/misc/mic/card/mic_virtio.c
index 8aa42e738acc..653799b96bfa 100644
--- a/drivers/misc/mic/card/mic_virtio.c
+++ b/drivers/misc/mic/card/mic_virtio.c
@@ -154,14 +154,14 @@ static void mic_reset_inform_host(struct virtio_device *vdev)
{
struct mic_vdev *mvdev = to_micvdev(vdev);
struct mic_device_ctrl __iomem *dc = mvdev->dc;
- int retry = 100, i;
+ int retry;
iowrite8(0, &dc->host_ack);
iowrite8(1, &dc->vdev_reset);
mic_send_intr(mvdev->mdev, mvdev->c2h_vdev_db);
/* Wait till host completes all card accesses and acks the reset */
- for (i = retry; i--;) {
+ for (retry = 100; retry--;) {
if (ioread8(&dc->host_ack))
break;
msleep(100);
@@ -187,11 +187,12 @@ static void mic_reset(struct virtio_device *vdev)
/*
* The virtio_ring code calls this API when it wants to notify the Host.
*/
-static void mic_notify(struct virtqueue *vq)
+static bool mic_notify(struct virtqueue *vq)
{
struct mic_vdev *mvdev = vq->priv;
mic_send_intr(mvdev->mdev, mvdev->c2h_vdev_db);
+ return true;
}
static void mic_del_vq(struct virtqueue *vq, int n)
@@ -247,17 +248,17 @@ static struct virtqueue *mic_find_vq(struct virtio_device *vdev,
/* First assign the vring's allocated in host memory */
vqconfig = mic_vq_config(mvdev->desc) + index;
memcpy_fromio(&config, vqconfig, sizeof(config));
- _vr_size = vring_size(config.num, MIC_VIRTIO_RING_ALIGN);
+ _vr_size = vring_size(le16_to_cpu(config.num), MIC_VIRTIO_RING_ALIGN);
vr_size = PAGE_ALIGN(_vr_size + sizeof(struct _mic_vring_info));
- va = mic_card_map(mvdev->mdev, config.address, vr_size);
+ va = mic_card_map(mvdev->mdev, le64_to_cpu(config.address), vr_size);
if (!va)
return ERR_PTR(-ENOMEM);
mvdev->vr[index] = va;
memset_io(va, 0x0, _vr_size);
- vq = vring_new_virtqueue(index,
- config.num, MIC_VIRTIO_RING_ALIGN, vdev,
- false,
- va, mic_notify, callback, name);
+ vq = vring_new_virtqueue(index, le16_to_cpu(config.num),
+ MIC_VIRTIO_RING_ALIGN, vdev, false,
+ (void __force *)va, mic_notify, callback,
+ name);
if (!vq) {
err = -ENOMEM;
goto unmap;
@@ -272,7 +273,8 @@ static struct virtqueue *mic_find_vq(struct virtio_device *vdev,
/* Allocate and reassign used ring now */
mvdev->used_size[index] = PAGE_ALIGN(sizeof(__u16) * 3 +
- sizeof(struct vring_used_elem) * config.num);
+ sizeof(struct vring_used_elem) *
+ le16_to_cpu(config.num));
used = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
get_order(mvdev->used_size[index]));
if (!used) {
@@ -309,7 +311,7 @@ static int mic_find_vqs(struct virtio_device *vdev, unsigned nvqs,
{
struct mic_vdev *mvdev = to_micvdev(vdev);
struct mic_device_ctrl __iomem *dc = mvdev->dc;
- int i, err, retry = 100;
+ int i, err, retry;
/* We must have this many virtqueues. */
if (nvqs > ioread8(&mvdev->desc->num_vq))
@@ -331,7 +333,7 @@ static int mic_find_vqs(struct virtio_device *vdev, unsigned nvqs,
* rings have been re-assigned.
*/
mic_send_intr(mvdev->mdev, mvdev->c2h_vdev_db);
- for (i = retry; i--;) {
+ for (retry = 100; retry--;) {
if (!ioread8(&dc->used_address_updated))
break;
msleep(100);
@@ -519,8 +521,8 @@ static void mic_scan_devices(struct mic_driver *mdrv, bool remove)
struct device *dev;
int ret;
- for (i = mic_aligned_size(struct mic_bootparam);
- i < MIC_DP_SIZE; i += mic_total_desc_size(d)) {
+ for (i = sizeof(struct mic_bootparam); i < MIC_DP_SIZE;
+ i += mic_total_desc_size(d)) {
d = mdrv->dp + i;
dc = (void __iomem *)d + mic_aligned_desc_size(d);
/*
@@ -539,7 +541,8 @@ static void mic_scan_devices(struct mic_driver *mdrv, bool remove)
continue;
/* device already exists */
- dev = device_find_child(mdrv->dev, d, mic_match_desc);
+ dev = device_find_child(mdrv->dev, (void __force *)d,
+ mic_match_desc);
if (dev) {
if (remove)
iowrite8(MIC_VIRTIO_PARAM_DEV_REMOVE,
diff --git a/drivers/misc/mic/card/mic_virtio.h b/drivers/misc/mic/card/mic_virtio.h
index 2c5c22c93ba8..d0407ba53bb7 100644
--- a/drivers/misc/mic/card/mic_virtio.h
+++ b/drivers/misc/mic/card/mic_virtio.h
@@ -42,8 +42,8 @@
static inline unsigned mic_desc_size(struct mic_device_desc __iomem *desc)
{
- return mic_aligned_size(*desc)
- + ioread8(&desc->num_vq) * mic_aligned_size(struct mic_vqconfig)
+ return sizeof(*desc)
+ + ioread8(&desc->num_vq) * sizeof(struct mic_vqconfig)
+ ioread8(&desc->feature_len) * 2
+ ioread8(&desc->config_len);
}
@@ -67,8 +67,7 @@ mic_vq_configspace(struct mic_device_desc __iomem *desc)
}
static inline unsigned mic_total_desc_size(struct mic_device_desc __iomem *desc)
{
- return mic_aligned_desc_size(desc) +
- mic_aligned_size(struct mic_device_ctrl);
+ return mic_aligned_desc_size(desc) + sizeof(struct mic_device_ctrl);
}
int mic_devices_init(struct mic_driver *mdrv);
diff --git a/drivers/misc/mic/host/mic_boot.c b/drivers/misc/mic/host/mic_boot.c
index 7558d9186438..b75c6b5cc20f 100644
--- a/drivers/misc/mic/host/mic_boot.c
+++ b/drivers/misc/mic/host/mic_boot.c
@@ -62,7 +62,7 @@ void mic_bootparam_init(struct mic_device *mdev)
{
struct mic_bootparam *bootparam = mdev->dp;
- bootparam->magic = MIC_MAGIC;
+ bootparam->magic = cpu_to_le32(MIC_MAGIC);
bootparam->c2h_shutdown_db = mdev->shutdown_db;
bootparam->h2c_shutdown_db = -1;
bootparam->h2c_config_db = -1;
diff --git a/drivers/misc/mic/host/mic_virtio.c b/drivers/misc/mic/host/mic_virtio.c
index 5b8494bd1e00..e04bb4fe6823 100644
--- a/drivers/misc/mic/host/mic_virtio.c
+++ b/drivers/misc/mic/host/mic_virtio.c
@@ -41,7 +41,7 @@ static int mic_virtio_copy_to_user(struct mic_vdev *mvdev,
* We are copying from IO below an should ideally use something
* like copy_to_user_fromio(..) if it existed.
*/
- if (copy_to_user(ubuf, dbuf, len)) {
+ if (copy_to_user(ubuf, (void __force *)dbuf, len)) {
err = -EFAULT;
dev_err(mic_dev(mvdev), "%s %d err %d\n",
__func__, __LINE__, err);
@@ -66,7 +66,7 @@ static int mic_virtio_copy_from_user(struct mic_vdev *mvdev,
* We are copying to IO below and should ideally use something
* like copy_from_user_toio(..) if it existed.
*/
- if (copy_from_user(dbuf, ubuf, len)) {
+ if (copy_from_user((void __force *)dbuf, ubuf, len)) {
err = -EFAULT;
dev_err(mic_dev(mvdev), "%s %d err %d\n",
__func__, __LINE__, err);
@@ -293,7 +293,7 @@ static void mic_virtio_init_post(struct mic_vdev *mvdev)
continue;
}
mvdev->mvr[i].vrh.vring.used =
- mvdev->mdev->aper.va +
+ (void __force *)mvdev->mdev->aper.va +
le64_to_cpu(vqconfig[i].used_address);
}
@@ -378,7 +378,7 @@ int mic_virtio_config_change(struct mic_vdev *mvdev,
void __user *argp)
{
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wake);
- int ret = 0, retry = 100, i;
+ int ret = 0, retry, i;
struct mic_bootparam *bootparam = mvdev->mdev->dp;
s8 db = bootparam->h2c_config_db;
@@ -401,7 +401,7 @@ int mic_virtio_config_change(struct mic_vdev *mvdev,
mvdev->dc->config_change = MIC_VIRTIO_PARAM_CONFIG_CHANGED;
mvdev->mdev->ops->send_intr(mvdev->mdev, db);
- for (i = retry; i--;) {
+ for (retry = 100; retry--;) {
ret = wait_event_timeout(wake,
mvdev->dc->guest_ack, msecs_to_jiffies(100));
if (ret)
@@ -467,7 +467,7 @@ static int mic_copy_dp_entry(struct mic_vdev *mvdev,
}
/* Find the first free device page entry */
- for (i = mic_aligned_size(struct mic_bootparam);
+ for (i = sizeof(struct mic_bootparam);
i < MIC_DP_SIZE - mic_total_desc_size(dd_config);
i += mic_total_desc_size(devp)) {
devp = mdev->dp + i;
@@ -525,6 +525,7 @@ int mic_virtio_add_device(struct mic_vdev *mvdev,
char irqname[10];
struct mic_bootparam *bootparam = mdev->dp;
u16 num;
+ dma_addr_t vr_addr;
mutex_lock(&mdev->mic_mutex);
@@ -559,17 +560,16 @@ int mic_virtio_add_device(struct mic_vdev *mvdev,
}
vr->len = vr_size;
vr->info = vr->va + vring_size(num, MIC_VIRTIO_RING_ALIGN);
- vr->info->magic = MIC_MAGIC + mvdev->virtio_id + i;
- vqconfig[i].address = mic_map_single(mdev,
- vr->va, vr_size);
- if (mic_map_error(vqconfig[i].address)) {
+ vr->info->magic = cpu_to_le32(MIC_MAGIC + mvdev->virtio_id + i);
+ vr_addr = mic_map_single(mdev, vr->va, vr_size);
+ if (mic_map_error(vr_addr)) {
free_pages((unsigned long)vr->va, get_order(vr_size));
ret = -ENOMEM;
dev_err(mic_dev(mvdev), "%s %d err %d\n",
__func__, __LINE__, ret);
goto err;
}
- vqconfig[i].address = cpu_to_le64(vqconfig[i].address);
+ vqconfig[i].address = cpu_to_le64(vr_addr);
vring_init(&vr->vr, num, vr->va, MIC_VIRTIO_RING_ALIGN);
ret = vringh_init_kern(&mvr->vrh,
@@ -639,7 +639,7 @@ void mic_virtio_del_device(struct mic_vdev *mvdev)
struct mic_vdev *tmp_mvdev;
struct mic_device *mdev = mvdev->mdev;
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wake);
- int i, ret, retry = 100;
+ int i, ret, retry;
struct mic_vqconfig *vqconfig;
struct mic_bootparam *bootparam = mdev->dp;
s8 db;
@@ -652,16 +652,16 @@ void mic_virtio_del_device(struct mic_vdev *mvdev)
"Requesting hot remove id %d\n", mvdev->virtio_id);
mvdev->dc->config_change = MIC_VIRTIO_PARAM_DEV_REMOVE;
mdev->ops->send_intr(mdev, db);
- for (i = retry; i--;) {
+ for (retry = 100; retry--;) {
ret = wait_event_timeout(wake,
mvdev->dc->guest_ack, msecs_to_jiffies(100));
if (ret)
break;
}
dev_dbg(mdev->sdev->parent,
- "Device id %d config_change %d guest_ack %d\n",
+ "Device id %d config_change %d guest_ack %d retry %d\n",
mvdev->virtio_id, mvdev->dc->config_change,
- mvdev->dc->guest_ack);
+ mvdev->dc->guest_ack, retry);
mvdev->dc->config_change = 0;
mvdev->dc->guest_ack = 0;
skip_hot_remove:
diff --git a/drivers/misc/mic/host/mic_x100.c b/drivers/misc/mic/host/mic_x100.c
index 81e9541b784c..0dfa8a81436e 100644
--- a/drivers/misc/mic/host/mic_x100.c
+++ b/drivers/misc/mic/host/mic_x100.c
@@ -397,8 +397,8 @@ mic_x100_load_ramdisk(struct mic_device *mdev)
* so copy over the ramdisk @ 128M.
*/
memcpy_toio(mdev->aper.va + (mdev->bootaddr << 1), fw->data, fw->size);
- iowrite32(cpu_to_le32(mdev->bootaddr << 1), &bp->hdr.ramdisk_image);
- iowrite32(cpu_to_le32(fw->size), &bp->hdr.ramdisk_size);
+ iowrite32(mdev->bootaddr << 1, &bp->hdr.ramdisk_image);
+ iowrite32(fw->size, &bp->hdr.ramdisk_size);
release_firmware(fw);
error:
return rc;
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 0b10a9030f4e..98b6b6ef7e5c 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -22,6 +22,7 @@
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/timer.h>
+#include <linux/of.h>
#include <linux/omap-dma.h>
#include <linux/mmc/host.h>
#include <linux/mmc/card.h>
@@ -90,17 +91,6 @@
#define OMAP_MMC_CMDTYPE_AC 2
#define OMAP_MMC_CMDTYPE_ADTC 3
-#define OMAP_DMA_MMC_TX 21
-#define OMAP_DMA_MMC_RX 22
-#define OMAP_DMA_MMC2_TX 54
-#define OMAP_DMA_MMC2_RX 55
-
-#define OMAP24XX_DMA_MMC2_TX 47
-#define OMAP24XX_DMA_MMC2_RX 48
-#define OMAP24XX_DMA_MMC1_TX 61
-#define OMAP24XX_DMA_MMC1_RX 62
-
-
#define DRIVER_NAME "mmci-omap"
/* Specifies how often in millisecs to poll for card status changes
@@ -1330,7 +1320,7 @@ static int mmc_omap_probe(struct platform_device *pdev)
struct mmc_omap_host *host = NULL;
struct resource *res;
dma_cap_mask_t mask;
- unsigned sig;
+ unsigned sig = 0;
int i, ret = 0;
int irq;
@@ -1340,7 +1330,7 @@ static int mmc_omap_probe(struct platform_device *pdev)
}
if (pdata->nr_slots == 0) {
dev_err(&pdev->dev, "no slots\n");
- return -ENXIO;
+ return -EPROBE_DEFER;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1407,19 +1397,20 @@ static int mmc_omap_probe(struct platform_device *pdev)
host->dma_tx_burst = -1;
host->dma_rx_burst = -1;
- if (mmc_omap2())
- sig = host->id == 0 ? OMAP24XX_DMA_MMC1_TX : OMAP24XX_DMA_MMC2_TX;
- else
- sig = host->id == 0 ? OMAP_DMA_MMC_TX : OMAP_DMA_MMC2_TX;
- host->dma_tx = dma_request_channel(mask, omap_dma_filter_fn, &sig);
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
+ if (res)
+ sig = res->start;
+ host->dma_tx = dma_request_slave_channel_compat(mask,
+ omap_dma_filter_fn, &sig, &pdev->dev, "tx");
if (!host->dma_tx)
dev_warn(host->dev, "unable to obtain TX DMA engine channel %u\n",
sig);
- if (mmc_omap2())
- sig = host->id == 0 ? OMAP24XX_DMA_MMC1_RX : OMAP24XX_DMA_MMC2_RX;
- else
- sig = host->id == 0 ? OMAP_DMA_MMC_RX : OMAP_DMA_MMC2_RX;
- host->dma_rx = dma_request_channel(mask, omap_dma_filter_fn, &sig);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
+ if (res)
+ sig = res->start;
+ host->dma_rx = dma_request_slave_channel_compat(mask,
+ omap_dma_filter_fn, &sig, &pdev->dev, "rx");
if (!host->dma_rx)
dev_warn(host->dev, "unable to obtain RX DMA engine channel %u\n",
sig);
@@ -1512,12 +1503,20 @@ static int mmc_omap_remove(struct platform_device *pdev)
return 0;
}
+#if IS_BUILTIN(CONFIG_OF)
+static const struct of_device_id mmc_omap_match[] = {
+ { .compatible = "ti,omap2420-mmc", },
+ { },
+};
+#endif
+
static struct platform_driver mmc_omap_driver = {
.probe = mmc_omap_probe,
.remove = mmc_omap_remove,
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(mmc_omap_match),
},
};
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index d210d131fef2..0f55589a56b8 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -73,7 +73,7 @@ static int pxa2xx_flash_probe(struct platform_device *pdev)
return -ENOMEM;
}
info->map.cached =
- ioremap_cached(info->map.phys, info->map.size);
+ ioremap_cache(info->map.phys, info->map.size);
if (!info->map.cached)
printk(KERN_WARNING "Failed to ioremap cached %s\n",
info->map.name);
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 4cabdc9fda90..4b3aaa898a8b 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -962,7 +962,7 @@ static int pxa3xx_nand_init_buff(struct pxa3xx_nand_info *info)
static void pxa3xx_nand_free_buff(struct pxa3xx_nand_info *info)
{
struct platform_device *pdev = info->pdev;
- if (use_dma) {
+ if (info->use_dma) {
pxa_free_dma(info->data_dma_ch);
dma_free_coherent(&pdev->dev, info->buf_size,
info->data_buff, info->data_buff_phys);
@@ -1259,10 +1259,6 @@ static struct of_device_id pxa3xx_nand_dt_ids[] = {
.compatible = "marvell,pxa3xx-nand",
.data = (void *)PXA3XX_NAND_VARIANT_PXA,
},
- {
- .compatible = "marvell,armada370-nand",
- .data = (void *)PXA3XX_NAND_VARIANT_ARMADA370,
- },
{}
};
MODULE_DEVICE_TABLE(of, pxa3xx_nand_dt_ids);
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 187b1b7772ef..4ced59436558 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2201,20 +2201,25 @@ void bond_3ad_adapter_speed_changed(struct slave *slave)
port = &(SLAVE_AD_INFO(slave).port);
- // if slave is null, the whole port is not initialized
+ /* if slave is null, the whole port is not initialized */
if (!port->slave) {
pr_warning("Warning: %s: speed changed for uninitialized port on %s\n",
slave->bond->dev->name, slave->dev->name);
return;
}
+ __get_state_machine_lock(port);
+
port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS;
port->actor_oper_port_key = port->actor_admin_port_key |=
(__get_link_speed(port) << 1);
pr_debug("Port %d changed speed\n", port->actor_port_number);
- // there is no need to reselect a new aggregator, just signal the
- // state machines to reinitialize
+ /* there is no need to reselect a new aggregator, just signal the
+ * state machines to reinitialize
+ */
port->sm_vars |= AD_PORT_BEGIN;
+
+ __release_state_machine_lock(port);
}
/**
@@ -2229,20 +2234,25 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave)
port = &(SLAVE_AD_INFO(slave).port);
- // if slave is null, the whole port is not initialized
+ /* if slave is null, the whole port is not initialized */
if (!port->slave) {
pr_warning("%s: Warning: duplex changed for uninitialized port on %s\n",
slave->bond->dev->name, slave->dev->name);
return;
}
+ __get_state_machine_lock(port);
+
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
port->actor_oper_port_key = port->actor_admin_port_key |=
__get_duplex(port);
pr_debug("Port %d changed duplex\n", port->actor_port_number);
- // there is no need to reselect a new aggregator, just signal the
- // state machines to reinitialize
+ /* there is no need to reselect a new aggregator, just signal the
+ * state machines to reinitialize
+ */
port->sm_vars |= AD_PORT_BEGIN;
+
+ __release_state_machine_lock(port);
}
/**
@@ -2258,15 +2268,21 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
port = &(SLAVE_AD_INFO(slave).port);
- // if slave is null, the whole port is not initialized
+ /* if slave is null, the whole port is not initialized */
if (!port->slave) {
pr_warning("Warning: %s: link status changed for uninitialized port on %s\n",
slave->bond->dev->name, slave->dev->name);
return;
}
- // on link down we are zeroing duplex and speed since some of the adaptors(ce1000.lan) report full duplex/speed instead of N/A(duplex) / 0(speed)
- // on link up we are forcing recheck on the duplex and speed since some of he adaptors(ce1000.lan) report
+ __get_state_machine_lock(port);
+ /* on link down we are zeroing duplex and speed since
+ * some of the adaptors(ce1000.lan) report full duplex/speed
+ * instead of N/A(duplex) / 0(speed).
+ *
+ * on link up we are forcing recheck on the duplex and speed since
+ * some of he adaptors(ce1000.lan) report.
+ */
if (link == BOND_LINK_UP) {
port->is_enabled = true;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
@@ -2282,10 +2298,15 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
port->actor_oper_port_key = (port->actor_admin_port_key &=
~AD_SPEED_KEY_BITS);
}
- //BOND_PRINT_DBG(("Port %d changed link status to %s", port->actor_port_number, ((link == BOND_LINK_UP)?"UP":"DOWN")));
- // there is no need to reselect a new aggregator, just signal the
- // state machines to reinitialize
+ pr_debug("Port %d changed link status to %s",
+ port->actor_port_number,
+ (link == BOND_LINK_UP) ? "UP" : "DOWN");
+ /* there is no need to reselect a new aggregator, just signal the
+ * state machines to reinitialize
+ */
port->sm_vars |= AD_PORT_BEGIN;
+
+ __release_state_machine_lock(port);
}
/*
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 4dd5ee2a34cc..4b8c58b0ec24 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3732,7 +3732,8 @@ static inline int bond_slave_override(struct bonding *bond,
}
-static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb)
+static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
/*
* This helper function exists to help dev_pick_tx get the correct
@@ -4110,7 +4111,7 @@ static int bond_check_params(struct bond_params *params)
if (!miimon) {
pr_warning("Warning: miimon must be specified, otherwise bonding will not detect link failure, speed and duplex which are essential for 802.3ad operation\n");
pr_warning("Forcing miimon to 100msec\n");
- miimon = 100;
+ miimon = BOND_DEFAULT_MIIMON;
}
}
@@ -4147,7 +4148,7 @@ static int bond_check_params(struct bond_params *params)
if (!miimon) {
pr_warning("Warning: miimon must be specified, otherwise bonding will not detect link failure and link speed which are essential for TLB/ALB load balancing\n");
pr_warning("Forcing miimon to 100msec\n");
- miimon = 100;
+ miimon = BOND_DEFAULT_MIIMON;
}
}
@@ -4199,9 +4200,9 @@ static int bond_check_params(struct bond_params *params)
(arp_ip_count < BOND_MAX_ARP_TARGETS) && arp_ip_target[i]; i++) {
/* not complete check, but should be good enough to
catch mistakes */
- __be32 ip = in_aton(arp_ip_target[i]);
- if (!isdigit(arp_ip_target[i][0]) || ip == 0 ||
- ip == htonl(INADDR_BROADCAST)) {
+ __be32 ip;
+ if (!in4_pton(arp_ip_target[i], -1, (u8 *)&ip, -1, NULL) ||
+ IS_IP_TARGET_UNUSABLE_ADDRESS(ip)) {
pr_warning("Warning: bad arp_ip_target module parameter (%s), ARP monitoring will not be performed\n",
arp_ip_target[i]);
arp_interval = 0;
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 9a5223c7b4d1..ea6f640782b7 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -45,10 +45,15 @@ int bond_option_mode_set(struct bonding *bond, int mode)
return -EPERM;
}
- if (BOND_MODE_IS_LB(mode) && bond->params.arp_interval) {
- pr_err("%s: %s mode is incompatible with arp monitoring.\n",
- bond->dev->name, bond_mode_tbl[mode].modename);
- return -EINVAL;
+ if (BOND_NO_USES_ARP(mode) && bond->params.arp_interval) {
+ pr_info("%s: %s mode is incompatible with arp monitoring, start mii monitoring\n",
+ bond->dev->name, bond_mode_tbl[mode].modename);
+ /* disable arp monitoring */
+ bond->params.arp_interval = 0;
+ /* set miimon to default value */
+ bond->params.miimon = BOND_DEFAULT_MIIMON;
+ pr_info("%s: Setting MII monitoring interval to %d.\n",
+ bond->dev->name, bond->params.miimon);
}
/* don't cache arp_validate between modes */
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 0ec2a7e8c8a9..0ae580bbc5db 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -523,9 +523,7 @@ static ssize_t bonding_store_arp_interval(struct device *d,
ret = -EINVAL;
goto out;
}
- if (bond->params.mode == BOND_MODE_ALB ||
- bond->params.mode == BOND_MODE_TLB ||
- bond->params.mode == BOND_MODE_8023AD) {
+ if (BOND_NO_USES_ARP(bond->params.mode)) {
pr_info("%s: ARP monitoring cannot be used with ALB/TLB/802.3ad. Only MII monitoring is supported on %s.\n",
bond->dev->name, bond->dev->name);
ret = -EINVAL;
@@ -1637,12 +1635,12 @@ static ssize_t bonding_show_packets_per_slave(struct device *d,
char *buf)
{
struct bonding *bond = to_bond(d);
- int packets_per_slave = bond->params.packets_per_slave;
+ unsigned int packets_per_slave = bond->params.packets_per_slave;
if (packets_per_slave > 1)
packets_per_slave = reciprocal_value(packets_per_slave);
- return sprintf(buf, "%d\n", packets_per_slave);
+ return sprintf(buf, "%u\n", packets_per_slave);
}
static ssize_t bonding_store_packets_per_slave(struct device *d,
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index ca31286aa028..a9f4f9f4d8ce 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -35,6 +35,8 @@
#define BOND_MAX_ARP_TARGETS 16
+#define BOND_DEFAULT_MIIMON 100
+
#define IS_UP(dev) \
((((dev)->flags & IFF_UP) == IFF_UP) && \
netif_running(dev) && \
@@ -55,6 +57,11 @@
((mode) == BOND_MODE_TLB) || \
((mode) == BOND_MODE_ALB))
+#define BOND_NO_USES_ARP(mode) \
+ (((mode) == BOND_MODE_8023AD) || \
+ ((mode) == BOND_MODE_TLB) || \
+ ((mode) == BOND_MODE_ALB))
+
#define TX_QUEUE_OVERRIDE(mode) \
(((mode) == BOND_MODE_ACTIVEBACKUP) || \
((mode) == BOND_MODE_ROUNDROBIN))
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index e3fc07cf2f62..77061eebb034 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -712,22 +712,31 @@ static int c_can_set_mode(struct net_device *dev, enum can_mode mode)
return 0;
}
-static int c_can_get_berr_counter(const struct net_device *dev,
- struct can_berr_counter *bec)
+static int __c_can_get_berr_counter(const struct net_device *dev,
+ struct can_berr_counter *bec)
{
unsigned int reg_err_counter;
struct c_can_priv *priv = netdev_priv(dev);
- c_can_pm_runtime_get_sync(priv);
-
reg_err_counter = priv->read_reg(priv, C_CAN_ERR_CNT_REG);
bec->rxerr = (reg_err_counter & ERR_CNT_REC_MASK) >>
ERR_CNT_REC_SHIFT;
bec->txerr = reg_err_counter & ERR_CNT_TEC_MASK;
+ return 0;
+}
+
+static int c_can_get_berr_counter(const struct net_device *dev,
+ struct can_berr_counter *bec)
+{
+ struct c_can_priv *priv = netdev_priv(dev);
+ int err;
+
+ c_can_pm_runtime_get_sync(priv);
+ err = __c_can_get_berr_counter(dev, bec);
c_can_pm_runtime_put_sync(priv);
- return 0;
+ return err;
}
/*
@@ -754,6 +763,7 @@ static void c_can_do_tx(struct net_device *dev)
if (!(val & (1 << (msg_obj_no - 1)))) {
can_get_echo_skb(dev,
msg_obj_no - C_CAN_MSG_OBJ_TX_FIRST);
+ c_can_object_get(dev, 0, msg_obj_no, IF_COMM_ALL);
stats->tx_bytes += priv->read_reg(priv,
C_CAN_IFACE(MSGCTRL_REG, 0))
& IF_MCONT_DLC_MASK;
@@ -872,7 +882,7 @@ static int c_can_handle_state_change(struct net_device *dev,
if (unlikely(!skb))
return 0;
- c_can_get_berr_counter(dev, &bec);
+ __c_can_get_berr_counter(dev, &bec);
reg_err_counter = priv->read_reg(priv, C_CAN_ERR_CNT_REG);
rx_err_passive = (reg_err_counter & ERR_CNT_RP_MASK) >>
ERR_CNT_RP_SHIFT;
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index ae08cf129ebb..aaed97bee471 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1020,13 +1020,13 @@ static int flexcan_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "no ipg clock defined\n");
return PTR_ERR(clk_ipg);
}
- clock_freq = clk_get_rate(clk_ipg);
clk_per = devm_clk_get(&pdev->dev, "per");
if (IS_ERR(clk_per)) {
dev_err(&pdev->dev, "no per clock defined\n");
return PTR_ERR(clk_per);
}
+ clock_freq = clk_get_rate(clk_per);
}
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 7164a999f50f..f17c3018b7c7 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -494,20 +494,20 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
uint8_t isrc, status;
int n = 0;
- /* Shared interrupts and IRQ off? */
- if (priv->read_reg(priv, SJA1000_IER) == IRQ_OFF)
- return IRQ_NONE;
-
if (priv->pre_irq)
priv->pre_irq(priv);
+ /* Shared interrupts and IRQ off? */
+ if (priv->read_reg(priv, SJA1000_IER) == IRQ_OFF)
+ goto out;
+
while ((isrc = priv->read_reg(priv, SJA1000_IR)) &&
(n < SJA1000_MAX_IRQ)) {
- n++;
+
status = priv->read_reg(priv, SJA1000_SR);
/* check for absent controller due to hw unplug */
if (status == 0xFF && sja1000_is_absent(priv))
- return IRQ_NONE;
+ goto out;
if (isrc & IRQ_WUI)
netdev_warn(dev, "wakeup interrupt\n");
@@ -535,7 +535,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
status = priv->read_reg(priv, SJA1000_SR);
/* check for absent controller */
if (status == 0xFF && sja1000_is_absent(priv))
- return IRQ_NONE;
+ goto out;
}
}
if (isrc & (IRQ_DOI | IRQ_EI | IRQ_BEI | IRQ_EPI | IRQ_ALI)) {
@@ -543,8 +543,9 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
if (sja1000_err(dev, isrc, status))
break;
}
+ n++;
}
-
+out:
if (priv->post_irq)
priv->post_irq(priv);
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 5f9a7ad9b964..8aeec0b4601a 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -625,6 +625,7 @@ static int ems_usb_start(struct ems_usb *dev)
usb_unanchor_urb(urb);
usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf,
urb->transfer_dma);
+ usb_free_urb(urb);
break;
}
@@ -798,8 +799,8 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
* allowed (MAX_TX_URBS).
*/
if (!context) {
- usb_unanchor_urb(urb);
usb_free_coherent(dev->udev, size, buf, urb->transfer_dma);
+ usb_free_urb(urb);
netdev_warn(netdev, "couldn't find free context\n");
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index 8ee9d1556e6e..263dd921edc4 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -927,6 +927,9 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
/* set LED in default state (end of init phase) */
pcan_usb_pro_set_led(dev, 0, 1);
+ kfree(bi);
+ kfree(fi);
+
return 0;
err_out:
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 50b853a79d77..46dfb1378c17 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -717,8 +717,7 @@ static int emac_open(struct net_device *dev)
if (netif_msg_ifup(db))
dev_dbg(db->dev, "enabling %s\n", dev->name);
- if (devm_request_irq(db->dev, dev->irq, &emac_interrupt,
- 0, dev->name, dev))
+ if (request_irq(dev->irq, &emac_interrupt, 0, dev->name, dev))
return -EAGAIN;
/* Initialize EMAC board */
@@ -774,6 +773,8 @@ static int emac_stop(struct net_device *ndev)
emac_shutdown(ndev);
+ free_irq(ndev->irq, ndev);
+
return 0;
}
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index b2ffad1304d2..248baf6273fb 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -565,6 +565,8 @@ static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev)
/* Make sure pointer to data buffer is set */
wmb();
+ skb_tx_timestamp(skb);
+
*info = cpu_to_le32(FOR_EMAC | FIRST_OR_LAST_MASK | len);
/* Increment index to point to the next BD */
@@ -579,8 +581,6 @@ static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev)
arc_reg_set(priv, R_STATUS, TXPL_MASK);
- skb_tx_timestamp(skb);
-
return NETDEV_TX_OK;
}
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index a36a760ada28..29801750f239 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -145,9 +145,11 @@ static void atl1c_reset_pcie(struct atl1c_hw *hw, u32 flag)
* Mask some pcie error bits
*/
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
- pci_read_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, &data);
- data &= ~(PCI_ERR_UNC_DLP | PCI_ERR_UNC_FCP);
- pci_write_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, data);
+ if (pos) {
+ pci_read_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, &data);
+ data &= ~(PCI_ERR_UNC_DLP | PCI_ERR_UNC_FCP);
+ pci_write_config_dword(pdev, pos + PCI_ERR_UNCOR_SEVER, data);
+ }
/* clear error status */
pcie_capability_write_word(pdev, PCI_EXP_DEVSTA,
PCI_EXP_DEVSTA_NFED |
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index a1f66e2c9a86..ec6119089b82 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -520,10 +520,12 @@ struct bnx2x_fastpath {
#define BNX2X_FP_STATE_IDLE 0
#define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */
#define BNX2X_FP_STATE_POLL (1 << 1) /* poll owns this FP */
-#define BNX2X_FP_STATE_NAPI_YIELD (1 << 2) /* NAPI yielded this FP */
-#define BNX2X_FP_STATE_POLL_YIELD (1 << 3) /* poll yielded this FP */
+#define BNX2X_FP_STATE_DISABLED (1 << 2)
+#define BNX2X_FP_STATE_NAPI_YIELD (1 << 3) /* NAPI yielded this FP */
+#define BNX2X_FP_STATE_POLL_YIELD (1 << 4) /* poll yielded this FP */
+#define BNX2X_FP_OWNED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL)
#define BNX2X_FP_YIELD (BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD)
-#define BNX2X_FP_LOCKED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL)
+#define BNX2X_FP_LOCKED (BNX2X_FP_OWNED | BNX2X_FP_STATE_DISABLED)
#define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD)
/* protect state */
spinlock_t lock;
@@ -613,7 +615,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
{
bool rc = true;
- spin_lock(&fp->lock);
+ spin_lock_bh(&fp->lock);
if (fp->state & BNX2X_FP_LOCKED) {
WARN_ON(fp->state & BNX2X_FP_STATE_NAPI);
fp->state |= BNX2X_FP_STATE_NAPI_YIELD;
@@ -622,7 +624,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
/* we don't care if someone yielded */
fp->state = BNX2X_FP_STATE_NAPI;
}
- spin_unlock(&fp->lock);
+ spin_unlock_bh(&fp->lock);
return rc;
}
@@ -631,14 +633,16 @@ static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
{
bool rc = false;
- spin_lock(&fp->lock);
+ spin_lock_bh(&fp->lock);
WARN_ON(fp->state &
(BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD));
if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
rc = true;
- fp->state = BNX2X_FP_STATE_IDLE;
- spin_unlock(&fp->lock);
+
+ /* state ==> idle, unless currently disabled */
+ fp->state &= BNX2X_FP_STATE_DISABLED;
+ spin_unlock_bh(&fp->lock);
return rc;
}
@@ -669,7 +673,9 @@ static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
rc = true;
- fp->state = BNX2X_FP_STATE_IDLE;
+
+ /* state ==> idle, unless currently disabled */
+ fp->state &= BNX2X_FP_STATE_DISABLED;
spin_unlock_bh(&fp->lock);
return rc;
}
@@ -677,9 +683,23 @@ static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
/* true if a socket is polling, even if it did not get the lock */
static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
{
- WARN_ON(!(fp->state & BNX2X_FP_LOCKED));
+ WARN_ON(!(fp->state & BNX2X_FP_OWNED));
return fp->state & BNX2X_FP_USER_PEND;
}
+
+/* false if fp is currently owned */
+static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
+{
+ int rc = true;
+
+ spin_lock_bh(&fp->lock);
+ if (fp->state & BNX2X_FP_OWNED)
+ rc = false;
+ fp->state |= BNX2X_FP_STATE_DISABLED;
+ spin_unlock_bh(&fp->lock);
+
+ return rc;
+}
#else
static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp)
{
@@ -709,6 +729,10 @@ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
{
return false;
}
+static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
+{
+ return true;
+}
#endif /* CONFIG_NET_RX_BUSY_POLL */
/* Use 2500 as a mini-jumbo MTU for FCoE */
@@ -1250,7 +1274,10 @@ struct bnx2x_slowpath {
* Therefore, if they would have been defined in the same union,
* data can get corrupted.
*/
- struct afex_vif_list_ramrod_data func_afex_rdata;
+ union {
+ struct afex_vif_list_ramrod_data viflist_data;
+ struct function_update_data func_update;
+ } func_afex_rdata;
/* used by dmae command executer */
struct dmae_command dmae[MAX_DMAE_C];
@@ -2499,4 +2526,6 @@ void bnx2x_set_local_cmng(struct bnx2x *bp);
#define MCPR_SCRATCH_BASE(bp) \
(CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
+#define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX))
+
#endif /* bnx2x.h */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index ec96130533cc..bf811565ee24 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -160,6 +160,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata,
struct sk_buff *skb = tx_buf->skb;
u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
int nbd;
+ u16 split_bd_len = 0;
/* prefetch skb end pointer to speedup dev_kfree_skb() */
prefetch(&skb->end);
@@ -167,10 +168,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata,
DP(NETIF_MSG_TX_DONE, "fp[%d]: pkt_idx %d buff @(%p)->skb %p\n",
txdata->txq_index, idx, tx_buf, skb);
- /* unmap first bd */
tx_start_bd = &txdata->tx_desc_ring[bd_idx].start_bd;
- dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd),
- BD_UNMAP_LEN(tx_start_bd), DMA_TO_DEVICE);
nbd = le16_to_cpu(tx_start_bd->nbd) - 1;
#ifdef BNX2X_STOP_ON_ERROR
@@ -188,12 +186,19 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata,
--nbd;
bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
- /* ...and the TSO split header bd since they have no mapping */
+ /* TSO headers+data bds share a common mapping. See bnx2x_tx_split() */
if (tx_buf->flags & BNX2X_TSO_SPLIT_BD) {
+ tx_data_bd = &txdata->tx_desc_ring[bd_idx].reg_bd;
+ split_bd_len = BD_UNMAP_LEN(tx_data_bd);
--nbd;
bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
}
+ /* unmap first bd */
+ dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd),
+ BD_UNMAP_LEN(tx_start_bd) + split_bd_len,
+ DMA_TO_DEVICE);
+
/* now free frags */
while (nbd > 0) {
@@ -1790,26 +1795,22 @@ static void bnx2x_napi_disable_cnic(struct bnx2x *bp)
{
int i;
- local_bh_disable();
for_each_rx_queue_cnic(bp, i) {
napi_disable(&bnx2x_fp(bp, i, napi));
- while (!bnx2x_fp_lock_napi(&bp->fp[i]))
- mdelay(1);
+ while (!bnx2x_fp_ll_disable(&bp->fp[i]))
+ usleep_range(1000, 2000);
}
- local_bh_enable();
}
static void bnx2x_napi_disable(struct bnx2x *bp)
{
int i;
- local_bh_disable();
for_each_eth_queue(bp, i) {
napi_disable(&bnx2x_fp(bp, i, napi));
- while (!bnx2x_fp_lock_napi(&bp->fp[i]))
- mdelay(1);
+ while (!bnx2x_fp_ll_disable(&bp->fp[i]))
+ usleep_range(1000, 2000);
}
- local_bh_enable();
}
void bnx2x_netif_start(struct bnx2x *bp)
@@ -1832,7 +1833,8 @@ void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
bnx2x_napi_disable_cnic(bp);
}
-u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb)
+u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
struct bnx2x *bp = netdev_priv(dev);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index da8fcaa74495..41f3ca5ad972 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -524,7 +524,8 @@ int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac);
int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos);
/* select_queue callback */
-u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb);
+u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv);
static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
struct bnx2x_fastpath *fp,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 20dcc02431ca..11fc79585491 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -3865,6 +3865,19 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
} else {
+ /* Enable Auto-Detect to support 1G over CL37 as well */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
+
+ /* Force cl48 sync_status LOW to avoid getting stuck in CL73
+ * parallel-detect loop when CL73 and CL37 are enabled.
+ */
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, 0);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800);
+ bnx2x_set_aer_mmd(params, phy);
+
bnx2x_disable_kr2(params, vars, phy);
}
@@ -8120,17 +8133,20 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
*edc_mode = EDC_MODE_ACTIVE_DAC;
else
check_limiting_mode = 1;
- } else if (copper_module_type &
- SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
+ } else {
+ *edc_mode = EDC_MODE_PASSIVE_DAC;
+ /* Even in case PASSIVE_DAC indication is not set,
+ * treat it as a passive DAC cable, since some cables
+ * don't have this indication.
+ */
+ if (copper_module_type &
+ SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
DP(NETIF_MSG_LINK,
"Passive Copper cable detected\n");
- *edc_mode =
- EDC_MODE_PASSIVE_DAC;
- } else {
- DP(NETIF_MSG_LINK,
- "Unknown copper-cable-type 0x%x !!!\n",
- copper_module_type);
- return -EINVAL;
+ } else {
+ DP(NETIF_MSG_LINK,
+ "Unknown copper-cable-type\n");
+ }
}
break;
}
@@ -10825,9 +10841,9 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
(1<<11));
if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
- (phy->req_line_speed == SPEED_1000)) {
+ (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
+ (phy->req_line_speed == SPEED_1000)) {
an_1000_val |= (1<<8);
autoneg_val |= (1<<9 | 1<<12);
if (phy->req_duplex == DUPLEX_FULL)
@@ -10843,30 +10859,32 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
0x09,
&an_1000_val);
- /* Set 100 speed advertisement */
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
- an_10_100_val |= (1<<7);
- /* Enable autoneg and restart autoneg for legacy speeds */
- autoneg_val |= (1<<9 | 1<<12);
-
- if (phy->req_duplex == DUPLEX_FULL)
- an_10_100_val |= (1<<8);
- DP(NETIF_MSG_LINK, "Advertising 100M\n");
- }
-
- /* Set 10 speed advertisement */
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
- an_10_100_val |= (1<<5);
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
+ /* Advertise 10/100 link speed */
+ if (phy->req_line_speed == SPEED_AUTO_NEG) {
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
+ an_10_100_val |= (1<<5);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
+ }
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
an_10_100_val |= (1<<6);
- DP(NETIF_MSG_LINK, "Advertising 10M\n");
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
+ }
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
+ an_10_100_val |= (1<<7);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
+ }
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
+ an_10_100_val |= (1<<8);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
+ }
}
/* Only 10/100 are allowed to work in FORCE mode */
@@ -13342,6 +13360,10 @@ static u8 bnx2x_analyze_link_error(struct link_params *params,
DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
old_status, status);
+ /* Do not touch the link in case physical link down */
+ if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
+ return 1;
+
/* a. Update shmem->link_status accordingly
* b. Update link_vars->link_up
*/
@@ -13550,7 +13572,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
*/
not_kr2_device = (((base_page & 0x8000) == 0) ||
(((base_page & 0x8000) &&
- ((next_page & 0xe0) == 0x2))));
+ ((next_page & 0xe0) == 0x20))));
/* In case KR2 is already disabled, check if we need to re-enable it */
if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 814d0eca9b33..8b3107b2fcc1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -11447,9 +11447,9 @@ static int bnx2x_get_hwinfo(struct bnx2x *bp)
}
}
- /* adjust igu_sb_cnt to MF for E1x */
- if (CHIP_IS_E1x(bp) && IS_MF(bp))
- bp->igu_sb_cnt /= E1HVN_MAX;
+ /* adjust igu_sb_cnt to MF for E1H */
+ if (CHIP_IS_E1H(bp) && IS_MF(bp))
+ bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt, E1H_MAX_MF_SB_COUNT);
/* port info */
bnx2x_get_port_hwinfo(bp);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index 3efbb35267c8..14ffb6e56e59 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -7179,6 +7179,7 @@ Theotherbitsarereservedandshouldbezero*/
#define MDIO_WC_REG_RX1_PCI_CTRL 0x80ca
#define MDIO_WC_REG_RX2_PCI_CTRL 0x80da
#define MDIO_WC_REG_RX3_PCI_CTRL 0x80ea
+#define MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI 0x80fa
#define MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G 0x8104
#define MDIO_WC_REG_XGXS_STATUS3 0x8129
#define MDIO_WC_REG_PAR_DET_10G_STATUS 0x8130
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 32c92abf5094..18438a504d57 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -2038,6 +2038,7 @@ static int bnx2x_vlan_mac_del_all(struct bnx2x *bp,
struct bnx2x_vlan_mac_ramrod_params p;
struct bnx2x_exe_queue_obj *exeq = &o->exe_queue;
struct bnx2x_exeq_elem *exeq_pos, *exeq_pos_n;
+ unsigned long flags;
int read_lock;
int rc = 0;
@@ -2046,8 +2047,9 @@ static int bnx2x_vlan_mac_del_all(struct bnx2x *bp,
spin_lock_bh(&exeq->lock);
list_for_each_entry_safe(exeq_pos, exeq_pos_n, &exeq->exe_queue, link) {
- if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags ==
- *vlan_mac_flags) {
+ flags = exeq_pos->cmd_data.vlan_mac.vlan_mac_flags;
+ if (BNX2X_VLAN_MAC_CMP_FLAGS(flags) ==
+ BNX2X_VLAN_MAC_CMP_FLAGS(*vlan_mac_flags)) {
rc = exeq->remove(bp, exeq->owner, exeq_pos);
if (rc) {
BNX2X_ERR("Failed to remove command\n");
@@ -2080,7 +2082,9 @@ static int bnx2x_vlan_mac_del_all(struct bnx2x *bp,
return read_lock;
list_for_each_entry(pos, &o->head, link) {
- if (pos->vlan_mac_flags == *vlan_mac_flags) {
+ flags = pos->vlan_mac_flags;
+ if (BNX2X_VLAN_MAC_CMP_FLAGS(flags) ==
+ BNX2X_VLAN_MAC_CMP_FLAGS(*vlan_mac_flags)) {
p.user_req.vlan_mac_flags = pos->vlan_mac_flags;
memcpy(&p.user_req.u, &pos->u, sizeof(pos->u));
rc = bnx2x_config_vlan_mac(bp, &p);
@@ -4382,8 +4386,11 @@ int bnx2x_config_rss(struct bnx2x *bp,
struct bnx2x_raw_obj *r = &o->raw;
/* Do nothing if only driver cleanup was requested */
- if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags))
+ if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
+ DP(BNX2X_MSG_SP, "Not configuring RSS ramrod_flags=%lx\n",
+ p->ramrod_flags);
return 0;
+ }
r->set_pending(r);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
index 658f4e33abf9..6a53c15c85a3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
@@ -266,6 +266,13 @@ enum {
BNX2X_DONT_CONSUME_CAM_CREDIT,
BNX2X_DONT_CONSUME_CAM_CREDIT_DEST,
};
+/* When looking for matching filters, some flags are not interesting */
+#define BNX2X_VLAN_MAC_CMP_MASK (1 << BNX2X_UC_LIST_MAC | \
+ 1 << BNX2X_ETH_MAC | \
+ 1 << BNX2X_ISCSI_ETH_MAC | \
+ 1 << BNX2X_NETQ_ETH_MAC)
+#define BNX2X_VLAN_MAC_CMP_FLAGS(flags) \
+ ((flags) & BNX2X_VLAN_MAC_CMP_MASK)
struct bnx2x_vlan_mac_ramrod_params {
/* Object to run the command from */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 0216d592d0ce..e7845e5be1c7 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1209,6 +1209,11 @@ static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
/* next state */
vfop->state = BNX2X_VFOP_RXMODE_DONE;
+ /* record the accept flags in vfdb so hypervisor can modify them
+ * if necessary
+ */
+ bnx2x_vfq(vf, ramrod->cl_id - vf->igu_base_id, accept_flags) =
+ ramrod->rx_accept_flags;
vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
op_err:
@@ -1224,39 +1229,43 @@ op_pending:
return;
}
+static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid,
+ struct bnx2x_rx_mode_ramrod_params *ramrod,
+ struct bnx2x_virtf *vf,
+ unsigned long accept_flags)
+{
+ struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
+
+ memset(ramrod, 0, sizeof(*ramrod));
+ ramrod->cid = vfq->cid;
+ ramrod->cl_id = vfq_cl_id(vf, vfq);
+ ramrod->rx_mode_obj = &bp->rx_mode_obj;
+ ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
+ ramrod->rx_accept_flags = accept_flags;
+ ramrod->tx_accept_flags = accept_flags;
+ ramrod->pstate = &vf->filter_state;
+ ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
+
+ set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
+ set_bit(RAMROD_RX, &ramrod->ramrod_flags);
+ set_bit(RAMROD_TX, &ramrod->ramrod_flags);
+
+ ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
+ ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
+}
+
int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
struct bnx2x_virtf *vf,
struct bnx2x_vfop_cmd *cmd,
int qid, unsigned long accept_flags)
{
- struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
if (vfop) {
struct bnx2x_rx_mode_ramrod_params *ramrod =
&vf->op_params.rx_mode;
- memset(ramrod, 0, sizeof(*ramrod));
-
- /* Prepare ramrod parameters */
- ramrod->cid = vfq->cid;
- ramrod->cl_id = vfq_cl_id(vf, vfq);
- ramrod->rx_mode_obj = &bp->rx_mode_obj;
- ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
-
- ramrod->rx_accept_flags = accept_flags;
- ramrod->tx_accept_flags = accept_flags;
- ramrod->pstate = &vf->filter_state;
- ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
-
- set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
- set_bit(RAMROD_RX, &ramrod->ramrod_flags);
- set_bit(RAMROD_TX, &ramrod->ramrod_flags);
-
- ramrod->rdata =
- bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
- ramrod->rdata_mapping =
- bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
+ bnx2x_vf_prep_rx_mode(bp, qid, ramrod, vf, accept_flags);
bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
bnx2x_vfop_rxmode, cmd->done);
@@ -3114,6 +3123,11 @@ int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
{
struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
+ if (!IS_SRIOV(bp)) {
+ BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
+ return -EINVAL;
+ }
+
DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
num_vfs_param, BNX2X_NR_VIRTFN(bp));
@@ -3197,13 +3211,16 @@ int bnx2x_enable_sriov(struct bnx2x *bp)
bnx2x_iov_static_resc(bp, vf);
}
- /* prepare msix vectors in VF configuration space */
+ /* prepare msix vectors in VF configuration space - the value in the
+ * PCI configuration space should be the index of the last entry,
+ * namely one less than the actual size of the table
+ */
for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
- num_vf_queues);
+ num_vf_queues - 1);
DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
- vf_idx, num_vf_queues);
+ vf_idx, num_vf_queues - 1);
}
bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
@@ -3431,10 +3448,18 @@ out:
int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
{
+ struct bnx2x_queue_state_params q_params = {NULL};
+ struct bnx2x_vlan_mac_ramrod_params ramrod_param;
+ struct bnx2x_queue_update_params *update_params;
+ struct pf_vf_bulletin_content *bulletin = NULL;
+ struct bnx2x_rx_mode_ramrod_params rx_ramrod;
struct bnx2x *bp = netdev_priv(dev);
- int rc, q_logical_state;
+ struct bnx2x_vlan_mac_obj *vlan_obj;
+ unsigned long vlan_mac_flags = 0;
+ unsigned long ramrod_flags = 0;
struct bnx2x_virtf *vf = NULL;
- struct pf_vf_bulletin_content *bulletin = NULL;
+ unsigned long accept_flags;
+ int rc;
/* sanity and init */
rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
@@ -3452,104 +3477,118 @@ int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
/* update PF's copy of the VF's bulletin. No point in posting the vlan
* to the VF since it doesn't have anything to do with it. But it useful
* to store it here in case the VF is not up yet and we can only
- * configure the vlan later when it does.
+ * configure the vlan later when it does. Treat vlan id 0 as remove the
+ * Host tag.
*/
- bulletin->valid_bitmap |= 1 << VLAN_VALID;
+ if (vlan > 0)
+ bulletin->valid_bitmap |= 1 << VLAN_VALID;
+ else
+ bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
bulletin->vlan = vlan;
/* is vf initialized and queue set up? */
- q_logical_state =
- bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
- if (vf->state == VF_ENABLED &&
- q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
- /* configure the vlan in device on this vf's queue */
- unsigned long ramrod_flags = 0;
- unsigned long vlan_mac_flags = 0;
- struct bnx2x_vlan_mac_obj *vlan_obj =
- &bnx2x_leading_vfq(vf, vlan_obj);
- struct bnx2x_vlan_mac_ramrod_params ramrod_param;
- struct bnx2x_queue_state_params q_params = {NULL};
- struct bnx2x_queue_update_params *update_params;
+ if (vf->state != VF_ENABLED ||
+ bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
+ BNX2X_Q_LOGICAL_STATE_ACTIVE)
+ return rc;
- rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
- if (rc)
- return rc;
- memset(&ramrod_param, 0, sizeof(ramrod_param));
+ /* configure the vlan in device on this vf's queue */
+ vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
+ rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
+ if (rc)
+ return rc;
- /* must lock vfpf channel to protect against vf flows */
- bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
+ /* must lock vfpf channel to protect against vf flows */
+ bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
- /* remove existing vlans */
- __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
- rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
- &ramrod_flags);
- if (rc) {
- BNX2X_ERR("failed to delete vlans\n");
- rc = -EINVAL;
- goto out;
- }
+ /* remove existing vlans */
+ __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
+ rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
+ &ramrod_flags);
+ if (rc) {
+ BNX2X_ERR("failed to delete vlans\n");
+ rc = -EINVAL;
+ goto out;
+ }
+
+ /* need to remove/add the VF's accept_any_vlan bit */
+ accept_flags = bnx2x_leading_vfq(vf, accept_flags);
+ if (vlan)
+ clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
+ else
+ set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
+
+ bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
+ accept_flags);
+ bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
+ bnx2x_config_rx_mode(bp, &rx_ramrod);
+
+ /* configure the new vlan to device */
+ memset(&ramrod_param, 0, sizeof(ramrod_param));
+ __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
+ ramrod_param.vlan_mac_obj = vlan_obj;
+ ramrod_param.ramrod_flags = ramrod_flags;
+ set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
+ &ramrod_param.user_req.vlan_mac_flags);
+ ramrod_param.user_req.u.vlan.vlan = vlan;
+ ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
+ rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
+ if (rc) {
+ BNX2X_ERR("failed to configure vlan\n");
+ rc = -EINVAL;
+ goto out;
+ }
- /* send queue update ramrod to configure default vlan and silent
- * vlan removal
+ /* send queue update ramrod to configure default vlan and silent
+ * vlan removal
+ */
+ __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
+ q_params.cmd = BNX2X_Q_CMD_UPDATE;
+ q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj);
+ update_params = &q_params.params.update;
+ __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
+ &update_params->update_flags);
+ __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
+ &update_params->update_flags);
+ if (vlan == 0) {
+ /* if vlan is 0 then we want to leave the VF traffic
+ * untagged, and leave the incoming traffic untouched
+ * (i.e. do not remove any vlan tags).
+ */
+ __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
+ &update_params->update_flags);
+ __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
+ &update_params->update_flags);
+ } else {
+ /* configure default vlan to vf queue and set silent
+ * vlan removal (the vf remains unaware of this vlan).
*/
- __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
- q_params.cmd = BNX2X_Q_CMD_UPDATE;
- q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj);
- update_params = &q_params.params.update;
- __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
+ __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
&update_params->update_flags);
- __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
+ __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
&update_params->update_flags);
+ update_params->def_vlan = vlan;
+ update_params->silent_removal_value =
+ vlan & VLAN_VID_MASK;
+ update_params->silent_removal_mask = VLAN_VID_MASK;
+ }
- if (vlan == 0) {
- /* if vlan is 0 then we want to leave the VF traffic
- * untagged, and leave the incoming traffic untouched
- * (i.e. do not remove any vlan tags).
- */
- __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
- &update_params->update_flags);
- __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
- &update_params->update_flags);
- } else {
- /* configure the new vlan to device */
- __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
- ramrod_param.vlan_mac_obj = vlan_obj;
- ramrod_param.ramrod_flags = ramrod_flags;
- ramrod_param.user_req.u.vlan.vlan = vlan;
- ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
- rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
- if (rc) {
- BNX2X_ERR("failed to configure vlan\n");
- rc = -EINVAL;
- goto out;
- }
-
- /* configure default vlan to vf queue and set silent
- * vlan removal (the vf remains unaware of this vlan).
- */
- update_params = &q_params.params.update;
- __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
- &update_params->update_flags);
- __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
- &update_params->update_flags);
- update_params->def_vlan = vlan;
- }
+ /* Update the Queue state */
+ rc = bnx2x_queue_state_change(bp, &q_params);
+ if (rc) {
+ BNX2X_ERR("Failed to configure default VLAN\n");
+ goto out;
+ }
- /* Update the Queue state */
- rc = bnx2x_queue_state_change(bp, &q_params);
- if (rc) {
- BNX2X_ERR("Failed to configure default VLAN\n");
- goto out;
- }
- /* clear the flag indicating that this VF needs its vlan
- * (will only be set if the HV configured the Vlan before vf was
- * up and we were called because the VF came up later
- */
+ /* clear the flag indicating that this VF needs its vlan
+ * (will only be set if the HV configured the Vlan before vf was
+ * up and we were called because the VF came up later
+ */
out:
- vf->cfg_flags &= ~VF_CFG_VLAN;
- bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
- }
+ vf->cfg_flags &= ~VF_CFG_VLAN;
+ bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
+
return rc;
}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
index 1ff6a9366629..8c213fa52174 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
@@ -74,6 +74,7 @@ struct bnx2x_vf_queue {
/* VLANs object */
struct bnx2x_vlan_mac_obj vlan_obj;
atomic_t vlan_count; /* 0 means vlan-0 is set ~ untagged */
+ unsigned long accept_flags; /* last accept flags configured */
/* Queue Slow-path State object */
struct bnx2x_queue_sp_obj sp_obj;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
index efa8a151d789..0756d7dabdd5 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -208,7 +208,7 @@ static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
return -EINVAL;
}
- BNX2X_ERR("valid ME register value: 0x%08x\n", me_reg);
+ DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);
*vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
@@ -1598,6 +1598,8 @@ static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
unsigned long accept = 0;
+ struct pf_vf_bulletin_content *bulletin =
+ BP_VF_BULLETIN(bp, vf->index);
/* covert VF-PF if mask to bnx2x accept flags */
if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST)
@@ -1617,9 +1619,11 @@ static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
__set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
/* A packet arriving the vf's mac should be accepted
- * with any vlan
+ * with any vlan, unless a vlan has already been
+ * configured.
*/
- __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
+ if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)))
+ __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
/* set rx-mode */
rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd,
@@ -1710,6 +1714,21 @@ static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
goto response;
}
}
+ /* if vlan was set by hypervisor we don't allow guest to config vlan */
+ if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
+ int i;
+
+ /* search for vlan filters */
+ for (i = 0; i < filters->n_mac_vlan_filters; i++) {
+ if (filters->filters[i].flags &
+ VFPF_Q_FILTER_VLAN_TAG_VALID) {
+ BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
+ vf->abs_vfid);
+ vf->op_rc = -EPERM;
+ goto response;
+ }
+ }
+ }
/* verify vf_qid */
if (filters->vf_qid > vf_rxq_count(vf))
@@ -1805,6 +1824,9 @@ static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
vf_op_params->rss_result_mask = rss_tlv->rss_result_mask;
/* flags handled individually for backward/forward compatability */
+ vf_op_params->rss_flags = 0;
+ vf_op_params->ramrod_flags = 0;
+
if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
__set_bit(BNX2X_RSS_MODE_DISABLED, &vf_op_params->rss_flags);
if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index a9e068423ba0..15a66e4b1f57 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -7622,7 +7622,7 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
{
u32 base = (u32) mapping & 0xffffffff;
- return (base > 0xffffdcc0) && (base + len + 8 < base);
+ return base + len + 8 < base;
}
/* Test for TSO DMA buffers that cross into regions which are within MSS bytes
@@ -8932,6 +8932,9 @@ static int tg3_chip_reset(struct tg3 *tp)
void (*write_op)(struct tg3 *, u32, u32);
int i, err;
+ if (!pci_device_is_present(tp->pdev))
+ return -ENODEV;
+
tg3_nvram_lock(tp);
tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
@@ -10629,10 +10632,8 @@ static void tg3_sd_scan_scratchpad(struct tg3 *tp, struct tg3_ocir *ocir)
static ssize_t tg3_show_temp(struct device *dev,
struct device_attribute *devattr, char *buf)
{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct net_device *netdev = pci_get_drvdata(pdev);
- struct tg3 *tp = netdev_priv(netdev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct tg3 *tp = dev_get_drvdata(dev);
u32 temperature;
spin_lock_bh(&tp->lock);
@@ -10650,29 +10651,25 @@ static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, tg3_show_temp, NULL,
static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, tg3_show_temp, NULL,
TG3_TEMP_MAX_OFFSET);
-static struct attribute *tg3_attributes[] = {
+static struct attribute *tg3_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_crit.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
NULL
};
-
-static const struct attribute_group tg3_group = {
- .attrs = tg3_attributes,
-};
+ATTRIBUTE_GROUPS(tg3);
static void tg3_hwmon_close(struct tg3 *tp)
{
if (tp->hwmon_dev) {
hwmon_device_unregister(tp->hwmon_dev);
tp->hwmon_dev = NULL;
- sysfs_remove_group(&tp->pdev->dev.kobj, &tg3_group);
}
}
static void tg3_hwmon_open(struct tg3 *tp)
{
- int i, err;
+ int i;
u32 size = 0;
struct pci_dev *pdev = tp->pdev;
struct tg3_ocir ocirs[TG3_SD_NUM_RECS];
@@ -10690,18 +10687,11 @@ static void tg3_hwmon_open(struct tg3 *tp)
if (!size)
return;
- /* Register hwmon sysfs hooks */
- err = sysfs_create_group(&pdev->dev.kobj, &tg3_group);
- if (err) {
- dev_err(&pdev->dev, "Cannot create sysfs group, aborting\n");
- return;
- }
-
- tp->hwmon_dev = hwmon_device_register(&pdev->dev);
+ tp->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev, "tg3",
+ tp, tg3_groups);
if (IS_ERR(tp->hwmon_dev)) {
tp->hwmon_dev = NULL;
dev_err(&pdev->dev, "Cannot register hwmon device, aborting\n");
- sysfs_remove_group(&pdev->dev.kobj, &tg3_group);
}
}
@@ -11594,10 +11584,11 @@ static int tg3_close(struct net_device *dev)
memset(&tp->net_stats_prev, 0, sizeof(tp->net_stats_prev));
memset(&tp->estats_prev, 0, sizeof(tp->estats_prev));
- tg3_power_down_prepare(tp);
-
- tg3_carrier_off(tp);
+ if (pci_device_is_present(tp->pdev)) {
+ tg3_power_down_prepare(tp);
+ tg3_carrier_off(tp);
+ }
return 0;
}
@@ -16512,6 +16503,9 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent)
/* Clear this out for sanity. */
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
+ /* Clear TG3PCI_REG_BASE_ADDR to prevent hangs. */
+ tw32(TG3PCI_REG_BASE_ADDR, 0);
+
pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
&pci_state_reg);
if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
@@ -17739,10 +17733,12 @@ static int tg3_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct tg3 *tp = netdev_priv(dev);
- int err;
+ int err = 0;
+
+ rtnl_lock();
if (!netif_running(dev))
- return 0;
+ goto unlock;
tg3_reset_task_cancel(tp);
tg3_phy_stop(tp);
@@ -17784,6 +17780,8 @@ out:
tg3_phy_start(tp);
}
+unlock:
+ rtnl_unlock();
return err;
}
@@ -17792,10 +17790,12 @@ static int tg3_resume(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct tg3 *tp = netdev_priv(dev);
- int err;
+ int err = 0;
+
+ rtnl_lock();
if (!netif_running(dev))
- return 0;
+ goto unlock;
netif_device_attach(dev);
@@ -17819,6 +17819,8 @@ out:
if (!err)
tg3_phy_start(tp);
+unlock:
+ rtnl_unlock();
return err;
}
#endif /* CONFIG_PM_SLEEP */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index ecd2fb3ef695..56e0415f8cdf 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -49,13 +49,15 @@
#include <asm/io.h>
#include "cxgb4_uld.h"
-#define FW_VERSION_MAJOR 1
-#define FW_VERSION_MINOR 4
-#define FW_VERSION_MICRO 0
+#define T4FW_VERSION_MAJOR 0x01
+#define T4FW_VERSION_MINOR 0x06
+#define T4FW_VERSION_MICRO 0x18
+#define T4FW_VERSION_BUILD 0x00
-#define FW_VERSION_MAJOR_T5 0
-#define FW_VERSION_MINOR_T5 0
-#define FW_VERSION_MICRO_T5 0
+#define T5FW_VERSION_MAJOR 0x01
+#define T5FW_VERSION_MINOR 0x08
+#define T5FW_VERSION_MICRO 0x1C
+#define T5FW_VERSION_BUILD 0x00
#define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
@@ -226,6 +228,25 @@ struct tp_params {
uint32_t dack_re; /* DACK timer resolution */
unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */
+
+ u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */
+ u32 ingress_config; /* cached TP_INGRESS_CONFIG */
+
+ /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a
+ * subset of the set of fields which may be present in the Compressed
+ * Filter Tuple portion of filters and TCP TCB connections. The
+ * fields which are present are controlled by the TP_VLAN_PRI_MAP.
+ * Since a variable number of fields may or may not be present, their
+ * shifted field positions within the Compressed Filter Tuple may
+ * vary, or not even be present if the field isn't selected in
+ * TP_VLAN_PRI_MAP. Since some of these fields are needed in various
+ * places we store their offsets here, or a -1 if the field isn't
+ * present.
+ */
+ int vlan_shift;
+ int vnic_shift;
+ int port_shift;
+ int protocol_shift;
};
struct vpd_params {
@@ -240,6 +261,26 @@ struct pci_params {
unsigned char width;
};
+#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
+#define CHELSIO_CHIP_FPGA 0x100
+#define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
+#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
+
+#define CHELSIO_T4 0x4
+#define CHELSIO_T5 0x5
+
+enum chip_type {
+ T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
+ T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
+ T4_FIRST_REV = T4_A1,
+ T4_LAST_REV = T4_A2,
+
+ T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
+ T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
+ T5_FIRST_REV = T5_A0,
+ T5_LAST_REV = T5_A1,
+};
+
struct adapter_params {
struct tp_params tp;
struct vpd_params vpd;
@@ -259,7 +300,7 @@ struct adapter_params {
unsigned char nports; /* # of ethernet ports */
unsigned char portvec;
- unsigned char rev; /* chip revision */
+ enum chip_type chip; /* chip code */
unsigned char offload;
unsigned char bypass;
@@ -267,6 +308,23 @@ struct adapter_params {
unsigned int ofldq_wr_cred;
};
+#include "t4fw_api.h"
+
+#define FW_VERSION(chip) ( \
+ FW_HDR_FW_VER_MAJOR_GET(chip##FW_VERSION_MAJOR) | \
+ FW_HDR_FW_VER_MINOR_GET(chip##FW_VERSION_MINOR) | \
+ FW_HDR_FW_VER_MICRO_GET(chip##FW_VERSION_MICRO) | \
+ FW_HDR_FW_VER_BUILD_GET(chip##FW_VERSION_BUILD))
+#define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
+
+struct fw_info {
+ u8 chip;
+ char *fs_name;
+ char *fw_mod_name;
+ struct fw_hdr fw_hdr;
+};
+
+
struct trace_params {
u32 data[TRACE_LEN / 4];
u32 mask[TRACE_LEN / 4];
@@ -512,25 +570,6 @@ struct sge {
struct l2t_data;
-#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
-#define CHELSIO_CHIP_VERSION(code) ((code) >> 4)
-#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
-
-#define CHELSIO_T4 0x4
-#define CHELSIO_T5 0x5
-
-enum chip_type {
- T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 0),
- T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
- T4_A3 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
- T4_FIRST_REV = T4_A1,
- T4_LAST_REV = T4_A3,
-
- T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
- T5_FIRST_REV = T5_A1,
- T5_LAST_REV = T5_A1,
-};
-
#ifdef CONFIG_PCI_IOV
/* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial
@@ -715,12 +754,12 @@ enum {
static inline int is_t5(enum chip_type chip)
{
- return (chip >= T5_FIRST_REV && chip <= T5_LAST_REV);
+ return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5;
}
static inline int is_t4(enum chip_type chip)
{
- return (chip >= T4_FIRST_REV && chip <= T4_LAST_REV);
+ return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4;
}
static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
@@ -900,8 +939,14 @@ int get_vpd_params(struct adapter *adapter, struct vpd_params *p);
int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
unsigned int t4_flash_cfg_addr(struct adapter *adapter);
int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
-int t4_check_fw_version(struct adapter *adapter);
+int t4_get_fw_version(struct adapter *adapter, u32 *vers);
+int t4_get_tp_version(struct adapter *adapter, u32 *vers);
+int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
+ const u8 *fw_data, unsigned int fw_size,
+ struct fw_hdr *card_fw, enum dev_state state, int *reset);
int t4_prep_adapter(struct adapter *adapter);
+int t4_init_tp_params(struct adapter *adap);
+int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
void t4_fatal_err(struct adapter *adapter);
int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 8b929eeecd2d..fff02ed1295e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -276,9 +276,9 @@ static DEFINE_PCI_DEVICE_TABLE(cxgb4_pci_tbl) = {
{ 0, }
};
-#define FW_FNAME "cxgb4/t4fw.bin"
+#define FW4_FNAME "cxgb4/t4fw.bin"
#define FW5_FNAME "cxgb4/t5fw.bin"
-#define FW_CFNAME "cxgb4/t4-config.txt"
+#define FW4_CFNAME "cxgb4/t4-config.txt"
#define FW5_CFNAME "cxgb4/t5-config.txt"
MODULE_DESCRIPTION(DRV_DESC);
@@ -286,7 +286,7 @@ MODULE_AUTHOR("Chelsio Communications");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(DRV_VERSION);
MODULE_DEVICE_TABLE(pci, cxgb4_pci_tbl);
-MODULE_FIRMWARE(FW_FNAME);
+MODULE_FIRMWARE(FW4_FNAME);
MODULE_FIRMWARE(FW5_FNAME);
/*
@@ -1071,72 +1071,6 @@ freeout: t4_free_sge_resources(adap);
}
/*
- * Returns 0 if new FW was successfully loaded, a positive errno if a load was
- * started but failed, and a negative errno if flash load couldn't start.
- */
-static int upgrade_fw(struct adapter *adap)
-{
- int ret;
- u32 vers, exp_major;
- const struct fw_hdr *hdr;
- const struct firmware *fw;
- struct device *dev = adap->pdev_dev;
- char *fw_file_name;
-
- switch (CHELSIO_CHIP_VERSION(adap->chip)) {
- case CHELSIO_T4:
- fw_file_name = FW_FNAME;
- exp_major = FW_VERSION_MAJOR;
- break;
- case CHELSIO_T5:
- fw_file_name = FW5_FNAME;
- exp_major = FW_VERSION_MAJOR_T5;
- break;
- default:
- dev_err(dev, "Unsupported chip type, %x\n", adap->chip);
- return -EINVAL;
- }
-
- ret = request_firmware(&fw, fw_file_name, dev);
- if (ret < 0) {
- dev_err(dev, "unable to load firmware image %s, error %d\n",
- fw_file_name, ret);
- return ret;
- }
-
- hdr = (const struct fw_hdr *)fw->data;
- vers = ntohl(hdr->fw_ver);
- if (FW_HDR_FW_VER_MAJOR_GET(vers) != exp_major) {
- ret = -EINVAL; /* wrong major version, won't do */
- goto out;
- }
-
- /*
- * If the flash FW is unusable or we found something newer, load it.
- */
- if (FW_HDR_FW_VER_MAJOR_GET(adap->params.fw_vers) != exp_major ||
- vers > adap->params.fw_vers) {
- dev_info(dev, "upgrading firmware ...\n");
- ret = t4_fw_upgrade(adap, adap->mbox, fw->data, fw->size,
- /*force=*/false);
- if (!ret)
- dev_info(dev,
- "firmware upgraded to version %pI4 from %s\n",
- &hdr->fw_ver, fw_file_name);
- else
- dev_err(dev, "firmware upgrade failed! err=%d\n", -ret);
- } else {
- /*
- * Tell our caller that we didn't upgrade the firmware.
- */
- ret = -EINVAL;
- }
-
-out: release_firmware(fw);
- return ret;
-}
-
-/*
* Allocate a chunk of memory using kmalloc or, if that fails, vmalloc.
* The allocated memory is cleared.
*/
@@ -1415,7 +1349,7 @@ static int get_sset_count(struct net_device *dev, int sset)
static int get_regs_len(struct net_device *dev)
{
struct adapter *adap = netdev2adap(dev);
- if (is_t4(adap->chip))
+ if (is_t4(adap->params.chip))
return T4_REGMAP_SIZE;
else
return T5_REGMAP_SIZE;
@@ -1499,7 +1433,7 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
data += sizeof(struct port_stats) / sizeof(u64);
collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data);
data += sizeof(struct queue_port_stats) / sizeof(u64);
- if (!is_t4(adapter->chip)) {
+ if (!is_t4(adapter->params.chip)) {
t4_write_reg(adapter, SGE_STAT_CFG, STATSOURCE_T5(7));
val1 = t4_read_reg(adapter, SGE_STAT_TOTAL);
val2 = t4_read_reg(adapter, SGE_STAT_MATCH);
@@ -1521,8 +1455,8 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
*/
static inline unsigned int mk_adap_vers(const struct adapter *ap)
{
- return CHELSIO_CHIP_VERSION(ap->chip) |
- (CHELSIO_CHIP_RELEASE(ap->chip) << 10) | (1 << 16);
+ return CHELSIO_CHIP_VERSION(ap->params.chip) |
+ (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
}
static void reg_block_dump(struct adapter *ap, void *buf, unsigned int start,
@@ -2189,7 +2123,7 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs,
static const unsigned int *reg_ranges;
int arr_size = 0, buf_size = 0;
- if (is_t4(ap->chip)) {
+ if (is_t4(ap->params.chip)) {
reg_ranges = &t4_reg_ranges[0];
arr_size = ARRAY_SIZE(t4_reg_ranges);
buf_size = T4_REGMAP_SIZE;
@@ -2967,7 +2901,7 @@ static int setup_debugfs(struct adapter *adap)
size = t4_read_reg(adap, MA_EDRAM1_BAR);
add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM_SIZE_GET(size));
}
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
size = t4_read_reg(adap, MA_EXT_MEMORY_BAR);
if (i & EXT_MEM_ENABLE)
add_debugfs_mem(adap, "mc", MEM_MC,
@@ -3052,7 +2986,14 @@ int cxgb4_alloc_stid(struct tid_info *t, int family, void *data)
if (stid >= 0) {
t->stid_tab[stid].data = data;
stid += t->stid_base;
- t->stids_in_use++;
+ /* IPv6 requires max of 520 bits or 16 cells in TCAM
+ * This is equivalent to 4 TIDs. With CLIP enabled it
+ * needs 2 TIDs.
+ */
+ if (family == PF_INET)
+ t->stids_in_use++;
+ else
+ t->stids_in_use += 4;
}
spin_unlock_bh(&t->stid_lock);
return stid;
@@ -3078,7 +3019,8 @@ int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data)
}
if (stid >= 0) {
t->stid_tab[stid].data = data;
- stid += t->stid_base;
+ stid -= t->nstids;
+ stid += t->sftid_base;
t->stids_in_use++;
}
spin_unlock_bh(&t->stid_lock);
@@ -3090,14 +3032,24 @@ EXPORT_SYMBOL(cxgb4_alloc_sftid);
*/
void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family)
{
- stid -= t->stid_base;
+ /* Is it a server filter TID? */
+ if (t->nsftids && (stid >= t->sftid_base)) {
+ stid -= t->sftid_base;
+ stid += t->nstids;
+ } else {
+ stid -= t->stid_base;
+ }
+
spin_lock_bh(&t->stid_lock);
if (family == PF_INET)
__clear_bit(stid, t->stid_bmap);
else
bitmap_release_region(t->stid_bmap, stid, 2);
t->stid_tab[stid].data = NULL;
- t->stids_in_use--;
+ if (family == PF_INET)
+ t->stids_in_use--;
+ else
+ t->stids_in_use -= 4;
spin_unlock_bh(&t->stid_lock);
}
EXPORT_SYMBOL(cxgb4_free_stid);
@@ -3200,6 +3152,7 @@ static int tid_init(struct tid_info *t)
size_t size;
unsigned int stid_bmap_size;
unsigned int natids = t->natids;
+ struct adapter *adap = container_of(t, struct adapter, tids);
stid_bmap_size = BITS_TO_LONGS(t->nstids + t->nsftids);
size = t->ntids * sizeof(*t->tid_tab) +
@@ -3233,6 +3186,11 @@ static int tid_init(struct tid_info *t)
t->afree = t->atid_tab;
}
bitmap_zero(t->stid_bmap, t->nstids + t->nsftids);
+ /* Reserve stid 0 for T4/T5 adapters */
+ if (!t->stid_base &&
+ (is_t4(adap->params.chip) || is_t5(adap->params.chip)))
+ __set_bit(0, t->stid_bmap);
+
return 0;
}
@@ -3419,7 +3377,7 @@ unsigned int cxgb4_dbfifo_count(const struct net_device *dev, int lpfifo)
v1 = t4_read_reg(adap, A_SGE_DBFIFO_STATUS);
v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2);
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
lp_count = G_LP_COUNT(v1);
hp_count = G_HP_COUNT(v1);
} else {
@@ -3588,7 +3546,7 @@ static void drain_db_fifo(struct adapter *adap, int usecs)
do {
v1 = t4_read_reg(adap, A_SGE_DBFIFO_STATUS);
v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2);
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
lp_count = G_LP_COUNT(v1);
hp_count = G_HP_COUNT(v1);
} else {
@@ -3708,7 +3666,7 @@ static void process_db_drop(struct work_struct *work)
adap = container_of(work, struct adapter, db_drop_task);
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
disable_dbs(adap);
notify_rdma_uld(adap, CXGB4_CONTROL_DB_DROP);
drain_db_fifo(adap, 1);
@@ -3753,7 +3711,7 @@ static void process_db_drop(struct work_struct *work)
void t4_db_full(struct adapter *adap)
{
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
t4_set_reg_field(adap, SGE_INT_ENABLE3,
DBFIFO_HP_INT | DBFIFO_LP_INT, 0);
queue_work(workq, &adap->db_full_task);
@@ -3762,7 +3720,7 @@ void t4_db_full(struct adapter *adap)
void t4_db_dropped(struct adapter *adap)
{
- if (is_t4(adap->chip))
+ if (is_t4(adap->params.chip))
queue_work(workq, &adap->db_drop_task);
}
@@ -3789,7 +3747,7 @@ static void uld_attach(struct adapter *adap, unsigned int uld)
lli.nchan = adap->params.nports;
lli.nports = adap->params.nports;
lli.wr_cred = adap->params.ofldq_wr_cred;
- lli.adapter_type = adap->params.rev;
+ lli.adapter_type = adap->params.chip;
lli.iscsi_iolen = MAXRXDATA_GET(t4_read_reg(adap, TP_PARA_REG2));
lli.udb_density = 1 << QUEUESPERPAGEPF0_GET(
t4_read_reg(adap, SGE_EGRESS_QUEUES_PER_PAGE_PF) >>
@@ -3797,7 +3755,7 @@ static void uld_attach(struct adapter *adap, unsigned int uld)
lli.ucq_density = 1 << QUEUESPERPAGEPF0_GET(
t4_read_reg(adap, SGE_INGRESS_QUEUES_PER_PAGE_PF) >>
(adap->fn * 4));
- lli.filt_mode = adap->filter_mode;
+ lli.filt_mode = adap->params.tp.vlan_pri_map;
/* MODQ_REQ_MAP sets queues 0-3 to chan 0-3 */
for (i = 0; i < NCHAN; i++)
lli.tx_modq[i] = i;
@@ -4245,7 +4203,7 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
adap = netdev2adap(dev);
/* Adjust stid to correct filter index */
- stid -= adap->tids.nstids;
+ stid -= adap->tids.sftid_base;
stid += adap->tids.nftids;
/* Check to make sure the filter requested is writable ...
@@ -4271,12 +4229,17 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
f->fs.val.lip[i] = val[i];
f->fs.mask.lip[i] = ~0;
}
- if (adap->filter_mode & F_PORT) {
+ if (adap->params.tp.vlan_pri_map & F_PORT) {
f->fs.val.iport = port;
f->fs.mask.iport = mask;
}
}
+ if (adap->params.tp.vlan_pri_map & F_PROTOCOL) {
+ f->fs.val.proto = IPPROTO_TCP;
+ f->fs.mask.proto = ~0;
+ }
+
f->fs.dirsteer = 1;
f->fs.iq = queue;
/* Mark filter as locked */
@@ -4303,7 +4266,7 @@ int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid,
adap = netdev2adap(dev);
/* Adjust stid to correct filter index */
- stid -= adap->tids.nstids;
+ stid -= adap->tids.sftid_base;
stid += adap->tids.nftids;
f = &adap->tids.ftid_tab[stid];
@@ -4483,7 +4446,7 @@ static void setup_memwin(struct adapter *adap)
u32 bar0, mem_win0_base, mem_win1_base, mem_win2_base;
bar0 = pci_resource_start(adap->pdev, 0); /* truncation intentional */
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
mem_win0_base = bar0 + MEMWIN0_BASE;
mem_win1_base = bar0 + MEMWIN1_BASE;
mem_win2_base = bar0 + MEMWIN2_BASE;
@@ -4668,8 +4631,10 @@ static int adap_init0_config(struct adapter *adapter, int reset)
const struct firmware *cf;
unsigned long mtype = 0, maddr = 0;
u32 finiver, finicsum, cfcsum;
- int ret, using_flash;
+ int ret;
+ int config_issued = 0;
char *fw_config_file, fw_config_file_path[256];
+ char *config_name = NULL;
/*
* Reset device if necessary.
@@ -4686,9 +4651,9 @@ static int adap_init0_config(struct adapter *adapter, int reset)
* then use that. Otherwise, use the configuration file stored
* in the adapter flash ...
*/
- switch (CHELSIO_CHIP_VERSION(adapter->chip)) {
+ switch (CHELSIO_CHIP_VERSION(adapter->params.chip)) {
case CHELSIO_T4:
- fw_config_file = FW_CFNAME;
+ fw_config_file = FW4_CFNAME;
break;
case CHELSIO_T5:
fw_config_file = FW5_CFNAME;
@@ -4702,13 +4667,16 @@ static int adap_init0_config(struct adapter *adapter, int reset)
ret = request_firmware(&cf, fw_config_file, adapter->pdev_dev);
if (ret < 0) {
- using_flash = 1;
+ config_name = "On FLASH";
mtype = FW_MEMTYPE_CF_FLASH;
maddr = t4_flash_cfg_addr(adapter);
} else {
u32 params[7], val[7];
- using_flash = 0;
+ sprintf(fw_config_file_path,
+ "/lib/firmware/%s", fw_config_file);
+ config_name = fw_config_file_path;
+
if (cf->size >= FLASH_CFG_MAX_SIZE)
ret = -ENOMEM;
else {
@@ -4776,6 +4744,26 @@ static int adap_init0_config(struct adapter *adapter, int reset)
FW_LEN16(caps_cmd));
ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd),
&caps_cmd);
+
+ /* If the CAPS_CONFIG failed with an ENOENT (for a Firmware
+ * Configuration File in FLASH), our last gasp effort is to use the
+ * Firmware Configuration File which is embedded in the firmware. A
+ * very few early versions of the firmware didn't have one embedded
+ * but we can ignore those.
+ */
+ if (ret == -ENOENT) {
+ memset(&caps_cmd, 0, sizeof(caps_cmd));
+ caps_cmd.op_to_write =
+ htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
+ FW_CMD_REQUEST |
+ FW_CMD_READ);
+ caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd));
+ ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd,
+ sizeof(caps_cmd), &caps_cmd);
+ config_name = "Firmware Default";
+ }
+
+ config_issued = 1;
if (ret < 0)
goto bye;
@@ -4816,7 +4804,6 @@ static int adap_init0_config(struct adapter *adapter, int reset)
if (ret < 0)
goto bye;
- sprintf(fw_config_file_path, "/lib/firmware/%s", fw_config_file);
/*
* Return successfully and note that we're operating with parameters
* not supplied by the driver, rather than from hard-wired
@@ -4824,11 +4811,8 @@ static int adap_init0_config(struct adapter *adapter, int reset)
*/
adapter->flags |= USING_SOFT_PARAMS;
dev_info(adapter->pdev_dev, "Successfully configured using Firmware "\
- "Configuration File %s, version %#x, computed checksum %#x\n",
- (using_flash
- ? "in device FLASH"
- : fw_config_file_path),
- finiver, cfcsum);
+ "Configuration File \"%s\", version %#x, computed checksum %#x\n",
+ config_name, finiver, cfcsum);
return 0;
/*
@@ -4837,9 +4821,9 @@ static int adap_init0_config(struct adapter *adapter, int reset)
* want to issue a warning since this is fairly common.)
*/
bye:
- if (ret != -ENOENT)
- dev_warn(adapter->pdev_dev, "Configuration file error %d\n",
- -ret);
+ if (config_issued && ret != -ENOENT)
+ dev_warn(adapter->pdev_dev, "\"%s\" configuration file error %d\n",
+ config_name, -ret);
return ret;
}
@@ -5086,6 +5070,47 @@ bye:
return ret;
}
+static struct fw_info fw_info_array[] = {
+ {
+ .chip = CHELSIO_T4,
+ .fs_name = FW4_CFNAME,
+ .fw_mod_name = FW4_FNAME,
+ .fw_hdr = {
+ .chip = FW_HDR_CHIP_T4,
+ .fw_ver = __cpu_to_be32(FW_VERSION(T4)),
+ .intfver_nic = FW_INTFVER(T4, NIC),
+ .intfver_vnic = FW_INTFVER(T4, VNIC),
+ .intfver_ri = FW_INTFVER(T4, RI),
+ .intfver_iscsi = FW_INTFVER(T4, ISCSI),
+ .intfver_fcoe = FW_INTFVER(T4, FCOE),
+ },
+ }, {
+ .chip = CHELSIO_T5,
+ .fs_name = FW5_CFNAME,
+ .fw_mod_name = FW5_FNAME,
+ .fw_hdr = {
+ .chip = FW_HDR_CHIP_T5,
+ .fw_ver = __cpu_to_be32(FW_VERSION(T5)),
+ .intfver_nic = FW_INTFVER(T5, NIC),
+ .intfver_vnic = FW_INTFVER(T5, VNIC),
+ .intfver_ri = FW_INTFVER(T5, RI),
+ .intfver_iscsi = FW_INTFVER(T5, ISCSI),
+ .intfver_fcoe = FW_INTFVER(T5, FCOE),
+ },
+ }
+};
+
+static struct fw_info *find_fw_info(int chip)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(fw_info_array); i++) {
+ if (fw_info_array[i].chip == chip)
+ return &fw_info_array[i];
+ }
+ return NULL;
+}
+
/*
* Phase 0 of initialization: contact FW, obtain config, perform basic init.
*/
@@ -5096,7 +5121,7 @@ static int adap_init0(struct adapter *adap)
enum dev_state state;
u32 params[7], val[7];
struct fw_caps_config_cmd caps_cmd;
- int reset = 1, j;
+ int reset = 1;
/*
* Contact FW, advertising Master capability (and potentially forcing
@@ -5123,44 +5148,54 @@ static int adap_init0(struct adapter *adap)
* later reporting and B. to warn if the currently loaded firmware
* is excessively mismatched relative to the driver.)
*/
- ret = t4_check_fw_version(adap);
-
- /* The error code -EFAULT is returned by t4_check_fw_version() if
- * firmware on adapter < supported firmware. If firmware on adapter
- * is too old (not supported by driver) and we're the MASTER_PF set
- * adapter state to DEV_STATE_UNINIT to force firmware upgrade
- * and reinitialization.
- */
- if ((adap->flags & MASTER_PF) && ret == -EFAULT)
- state = DEV_STATE_UNINIT;
+ t4_get_fw_version(adap, &adap->params.fw_vers);
+ t4_get_tp_version(adap, &adap->params.tp_vers);
if ((adap->flags & MASTER_PF) && state != DEV_STATE_INIT) {
- if (ret == -EINVAL || ret == -EFAULT || ret > 0) {
- if (upgrade_fw(adap) >= 0) {
- /*
- * Note that the chip was reset as part of the
- * firmware upgrade so we don't reset it again
- * below and grab the new firmware version.
- */
- reset = 0;
- ret = t4_check_fw_version(adap);
- } else
- if (ret == -EFAULT) {
- /*
- * Firmware is old but still might
- * work if we force reinitialization
- * of the adapter. Ignoring FW upgrade
- * failure.
- */
- dev_warn(adap->pdev_dev,
- "Ignoring firmware upgrade "
- "failure, and forcing driver "
- "to reinitialize the "
- "adapter.\n");
- ret = 0;
- }
+ struct fw_info *fw_info;
+ struct fw_hdr *card_fw;
+ const struct firmware *fw;
+ const u8 *fw_data = NULL;
+ unsigned int fw_size = 0;
+
+ /* This is the firmware whose headers the driver was compiled
+ * against
+ */
+ fw_info = find_fw_info(CHELSIO_CHIP_VERSION(adap->params.chip));
+ if (fw_info == NULL) {
+ dev_err(adap->pdev_dev,
+ "unable to get firmware info for chip %d.\n",
+ CHELSIO_CHIP_VERSION(adap->params.chip));
+ return -EINVAL;
}
+
+ /* allocate memory to read the header of the firmware on the
+ * card
+ */
+ card_fw = t4_alloc_mem(sizeof(*card_fw));
+
+ /* Get FW from from /lib/firmware/ */
+ ret = request_firmware(&fw, fw_info->fw_mod_name,
+ adap->pdev_dev);
+ if (ret < 0) {
+ dev_err(adap->pdev_dev,
+ "unable to load firmware image %s, error %d\n",
+ fw_info->fw_mod_name, ret);
+ } else {
+ fw_data = fw->data;
+ fw_size = fw->size;
+ }
+
+ /* upgrade FW logic */
+ ret = t4_prep_fw(adap, fw_info, fw_data, fw_size, card_fw,
+ state, &reset);
+
+ /* Cleaning up */
+ if (fw != NULL)
+ release_firmware(fw);
+ t4_free_mem(card_fw);
+
if (ret < 0)
- return ret;
+ goto bye;
}
/*
@@ -5245,7 +5280,7 @@ static int adap_init0(struct adapter *adap)
if (ret == -ENOENT) {
dev_info(adap->pdev_dev,
"No Configuration File present "
- "on adapter. Using hard-wired "
+ "on adapter. Using hard-wired "
"configuration parameters.\n");
ret = adap_init0_no_config(adap, reset);
}
@@ -5428,21 +5463,11 @@ static int adap_init0(struct adapter *adap)
/*
* These are finalized by FW initialization, load their values now.
*/
- v = t4_read_reg(adap, TP_TIMER_RESOLUTION);
- adap->params.tp.tre = TIMERRESOLUTION_GET(v);
- adap->params.tp.dack_re = DELAYEDACKRESOLUTION_GET(v);
t4_read_mtu_tbl(adap, adap->params.mtus, NULL);
t4_load_mtus(adap, adap->params.mtus, adap->params.a_wnd,
adap->params.b_wnd);
- /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */
- for (j = 0; j < NCHAN; j++)
- adap->params.tp.tx_modq[j] = j;
-
- t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA,
- &adap->filter_mode, 1,
- TP_VLAN_PRI_MAP);
-
+ t4_init_tp_params(adap);
adap->flags |= FW_OK;
return 0;
@@ -5787,7 +5812,7 @@ static void print_port_info(const struct net_device *dev)
netdev_info(dev, "Chelsio %s rev %d %s %sNIC PCIe x%d%s%s\n",
adap->params.vpd.id,
- CHELSIO_CHIP_RELEASE(adap->params.rev), buf,
+ CHELSIO_CHIP_RELEASE(adap->params.chip), buf,
is_offload(adap) ? "R" : "", adap->params.pci.width, spd,
(adap->flags & USING_MSIX) ? " MSI-X" :
(adap->flags & USING_MSI) ? " MSI" : "");
@@ -5910,7 +5935,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
goto out_unmap_bar0;
- if (!is_t4(adapter->chip)) {
+ if (!is_t4(adapter->params.chip)) {
s_qpp = QUEUESPERPAGEPF1 * adapter->fn;
qpp = 1 << QUEUESPERPAGEPF0_GET(t4_read_reg(adapter,
SGE_EGRESS_QUEUES_PER_PAGE_PF) >> s_qpp);
@@ -6064,7 +6089,7 @@ sriov:
out_free_dev:
free_some_resources(adapter);
out_unmap_bar:
- if (!is_t4(adapter->chip))
+ if (!is_t4(adapter->params.chip))
iounmap(adapter->bar2);
out_unmap_bar0:
iounmap(adapter->regs);
@@ -6116,7 +6141,7 @@ static void remove_one(struct pci_dev *pdev)
free_some_resources(adapter);
iounmap(adapter->regs);
- if (!is_t4(adapter->chip))
+ if (!is_t4(adapter->params.chip))
iounmap(adapter->bar2);
kfree(adapter);
pci_disable_pcie_error_reporting(pdev);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index 6f21f2451c30..4dd0a82533e4 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -131,7 +131,14 @@ static inline void *lookup_atid(const struct tid_info *t, unsigned int atid)
static inline void *lookup_stid(const struct tid_info *t, unsigned int stid)
{
- stid -= t->stid_base;
+ /* Is it a server filter TID? */
+ if (t->nsftids && (stid >= t->sftid_base)) {
+ stid -= t->sftid_base;
+ stid += t->nstids;
+ } else {
+ stid -= t->stid_base;
+ }
+
return stid < (t->nstids + t->nsftids) ? t->stid_tab[stid].data : NULL;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
index 29878098101e..cb05be905def 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
@@ -45,6 +45,7 @@
#include "l2t.h"
#include "t4_msg.h"
#include "t4fw_api.h"
+#include "t4_regs.h"
#define VLAN_NONE 0xfff
@@ -411,6 +412,40 @@ done:
}
EXPORT_SYMBOL(cxgb4_l2t_get);
+u64 cxgb4_select_ntuple(struct net_device *dev,
+ const struct l2t_entry *l2t)
+{
+ struct adapter *adap = netdev2adap(dev);
+ struct tp_params *tp = &adap->params.tp;
+ u64 ntuple = 0;
+
+ /* Initialize each of the fields which we care about which are present
+ * in the Compressed Filter Tuple.
+ */
+ if (tp->vlan_shift >= 0 && l2t->vlan != VLAN_NONE)
+ ntuple |= (F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift;
+
+ if (tp->port_shift >= 0)
+ ntuple |= (u64)l2t->lport << tp->port_shift;
+
+ if (tp->protocol_shift >= 0)
+ ntuple |= (u64)IPPROTO_TCP << tp->protocol_shift;
+
+ if (tp->vnic_shift >= 0) {
+ u32 viid = cxgb4_port_viid(dev);
+ u32 vf = FW_VIID_VIN_GET(viid);
+ u32 pf = FW_VIID_PFN_GET(viid);
+ u32 vld = FW_VIID_VIVLD_GET(viid);
+
+ ntuple |= (u64)(V_FT_VNID_ID_VF(vf) |
+ V_FT_VNID_ID_PF(pf) |
+ V_FT_VNID_ID_VLD(vld)) << tp->vnic_shift;
+ }
+
+ return ntuple;
+}
+EXPORT_SYMBOL(cxgb4_select_ntuple);
+
/*
* Called when address resolution fails for an L2T entry to handle packets
* on the arpq head. If a packet specifies a failure handler it is invoked,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.h b/drivers/net/ethernet/chelsio/cxgb4/l2t.h
index 108c0f1fce1c..85eb5c71358d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/l2t.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.h
@@ -98,7 +98,8 @@ int cxgb4_l2t_send(struct net_device *dev, struct sk_buff *skb,
struct l2t_entry *cxgb4_l2t_get(struct l2t_data *d, struct neighbour *neigh,
const struct net_device *physdev,
unsigned int priority);
-
+u64 cxgb4_select_ntuple(struct net_device *dev,
+ const struct l2t_entry *l2t);
void t4_l2t_update(struct adapter *adap, struct neighbour *neigh);
struct l2t_entry *t4_l2t_alloc_switching(struct l2t_data *d);
int t4_l2t_set_switching(struct adapter *adap, struct l2t_entry *e, u16 vlan,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index ac311f5f3eb9..cc3511a5cd0c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -509,7 +509,7 @@ static inline void ring_fl_db(struct adapter *adap, struct sge_fl *q)
u32 val;
if (q->pend_cred >= 8) {
val = PIDX(q->pend_cred / 8);
- if (!is_t4(adap->chip))
+ if (!is_t4(adap->params.chip))
val |= DBTYPE(1);
wmb();
t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL), DBPRIO(1) |
@@ -847,7 +847,7 @@ static inline void ring_tx_db(struct adapter *adap, struct sge_txq *q, int n)
wmb(); /* write descriptors before telling HW */
spin_lock(&q->db_lock);
if (!q->db_disabled) {
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL),
QID(q->cntxt_id) | PIDX(n));
} else {
@@ -1596,7 +1596,7 @@ static noinline int handle_trace_pkt(struct adapter *adap,
return 0;
}
- if (is_t4(adap->chip))
+ if (is_t4(adap->params.chip))
__skb_pull(skb, sizeof(struct cpl_trace_pkt));
else
__skb_pull(skb, sizeof(struct cpl_t5_trace_pkt));
@@ -1661,7 +1661,7 @@ int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
const struct cpl_rx_pkt *pkt;
struct sge_eth_rxq *rxq = container_of(q, struct sge_eth_rxq, rspq);
struct sge *s = &q->adap->sge;
- int cpl_trace_pkt = is_t4(q->adap->chip) ?
+ int cpl_trace_pkt = is_t4(q->adap->params.chip) ?
CPL_TRACE_PKT : CPL_TRACE_PKT_T5;
if (unlikely(*(u8 *)rsp == cpl_trace_pkt))
@@ -2182,7 +2182,7 @@ err:
static void init_txq(struct adapter *adap, struct sge_txq *q, unsigned int id)
{
q->cntxt_id = id;
- if (!is_t4(adap->chip)) {
+ if (!is_t4(adap->params.chip)) {
unsigned int s_qpp;
unsigned short udb_density;
unsigned long qpshift;
@@ -2581,7 +2581,7 @@ static int t4_sge_init_soft(struct adapter *adap)
#undef READ_FL_BUF
if (fl_small_pg != PAGE_SIZE ||
- (fl_large_pg != 0 && (fl_large_pg <= fl_small_pg ||
+ (fl_large_pg != 0 && (fl_large_pg < fl_small_pg ||
(fl_large_pg & (fl_large_pg-1)) != 0))) {
dev_err(adap->pdev_dev, "bad SGE FL page buffer sizes [%d, %d]\n",
fl_small_pg, fl_large_pg);
@@ -2641,7 +2641,7 @@ static int t4_sge_init_hard(struct adapter *adap)
* Set up to drop DOORBELL writes when the DOORBELL FIFO overflows
* and generate an interrupt when this occurs so we can recover.
*/
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
t4_set_reg_field(adap, A_SGE_DBFIFO_STATUS,
V_HP_INT_THRESH(M_HP_INT_THRESH) |
V_LP_INT_THRESH(M_LP_INT_THRESH),
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 4cbb2f9850be..e1413eacdbd2 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -296,7 +296,7 @@ int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
u32 mc_bist_cmd, mc_bist_cmd_addr, mc_bist_cmd_len;
u32 mc_bist_status_rdata, mc_bist_data_pattern;
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
mc_bist_cmd = MC_BIST_CMD;
mc_bist_cmd_addr = MC_BIST_CMD_ADDR;
mc_bist_cmd_len = MC_BIST_CMD_LEN;
@@ -349,7 +349,7 @@ int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
u32 edc_bist_cmd, edc_bist_cmd_addr, edc_bist_cmd_len;
u32 edc_bist_cmd_data_pattern, edc_bist_status_rdata;
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
edc_bist_cmd = EDC_REG(EDC_BIST_CMD, idx);
edc_bist_cmd_addr = EDC_REG(EDC_BIST_CMD_ADDR, idx);
edc_bist_cmd_len = EDC_REG(EDC_BIST_CMD_LEN, idx);
@@ -402,7 +402,7 @@ int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
static int t4_mem_win_rw(struct adapter *adap, u32 addr, __be32 *data, int dir)
{
int i;
- u32 win_pf = is_t4(adap->chip) ? 0 : V_PFNUM(adap->fn);
+ u32 win_pf = is_t4(adap->params.chip) ? 0 : V_PFNUM(adap->fn);
/*
* Setup offset into PCIE memory window. Address must be a
@@ -863,104 +863,169 @@ unlock:
}
/**
- * get_fw_version - read the firmware version
+ * t4_get_fw_version - read the firmware version
* @adapter: the adapter
* @vers: where to place the version
*
* Reads the FW version from flash.
*/
-static int get_fw_version(struct adapter *adapter, u32 *vers)
+int t4_get_fw_version(struct adapter *adapter, u32 *vers)
{
- return t4_read_flash(adapter, adapter->params.sf_fw_start +
- offsetof(struct fw_hdr, fw_ver), 1, vers, 0);
+ return t4_read_flash(adapter, FLASH_FW_START +
+ offsetof(struct fw_hdr, fw_ver), 1,
+ vers, 0);
}
/**
- * get_tp_version - read the TP microcode version
+ * t4_get_tp_version - read the TP microcode version
* @adapter: the adapter
* @vers: where to place the version
*
* Reads the TP microcode version from flash.
*/
-static int get_tp_version(struct adapter *adapter, u32 *vers)
+int t4_get_tp_version(struct adapter *adapter, u32 *vers)
{
- return t4_read_flash(adapter, adapter->params.sf_fw_start +
+ return t4_read_flash(adapter, FLASH_FW_START +
offsetof(struct fw_hdr, tp_microcode_ver),
1, vers, 0);
}
-/**
- * t4_check_fw_version - check if the FW is compatible with this driver
- * @adapter: the adapter
- *
- * Checks if an adapter's FW is compatible with the driver. Returns 0
- * if there's exact match, a negative error if the version could not be
- * read or there's a major version mismatch, and a positive value if the
- * expected major version is found but there's a minor version mismatch.
+/* Is the given firmware API compatible with the one the driver was compiled
+ * with?
*/
-int t4_check_fw_version(struct adapter *adapter)
+static int fw_compatible(const struct fw_hdr *hdr1, const struct fw_hdr *hdr2)
{
- u32 api_vers[2];
- int ret, major, minor, micro;
- int exp_major, exp_minor, exp_micro;
- ret = get_fw_version(adapter, &adapter->params.fw_vers);
- if (!ret)
- ret = get_tp_version(adapter, &adapter->params.tp_vers);
- if (!ret)
- ret = t4_read_flash(adapter, adapter->params.sf_fw_start +
- offsetof(struct fw_hdr, intfver_nic),
- 2, api_vers, 1);
- if (ret)
- return ret;
+ /* short circuit if it's the exact same firmware version */
+ if (hdr1->chip == hdr2->chip && hdr1->fw_ver == hdr2->fw_ver)
+ return 1;
- major = FW_HDR_FW_VER_MAJOR_GET(adapter->params.fw_vers);
- minor = FW_HDR_FW_VER_MINOR_GET(adapter->params.fw_vers);
- micro = FW_HDR_FW_VER_MICRO_GET(adapter->params.fw_vers);
+#define SAME_INTF(x) (hdr1->intfver_##x == hdr2->intfver_##x)
+ if (hdr1->chip == hdr2->chip && SAME_INTF(nic) && SAME_INTF(vnic) &&
+ SAME_INTF(ri) && SAME_INTF(iscsi) && SAME_INTF(fcoe))
+ return 1;
+#undef SAME_INTF
- switch (CHELSIO_CHIP_VERSION(adapter->chip)) {
- case CHELSIO_T4:
- exp_major = FW_VERSION_MAJOR;
- exp_minor = FW_VERSION_MINOR;
- exp_micro = FW_VERSION_MICRO;
- break;
- case CHELSIO_T5:
- exp_major = FW_VERSION_MAJOR_T5;
- exp_minor = FW_VERSION_MINOR_T5;
- exp_micro = FW_VERSION_MICRO_T5;
- break;
- default:
- dev_err(adapter->pdev_dev, "Unsupported chip type, %x\n",
- adapter->chip);
- return -EINVAL;
- }
+ return 0;
+}
- memcpy(adapter->params.api_vers, api_vers,
- sizeof(adapter->params.api_vers));
+/* The firmware in the filesystem is usable, but should it be installed?
+ * This routine explains itself in detail if it indicates the filesystem
+ * firmware should be installed.
+ */
+static int should_install_fs_fw(struct adapter *adap, int card_fw_usable,
+ int k, int c)
+{
+ const char *reason;
- if (major < exp_major || (major == exp_major && minor < exp_minor) ||
- (major == exp_major && minor == exp_minor && micro < exp_micro)) {
- dev_err(adapter->pdev_dev,
- "Card has firmware version %u.%u.%u, minimum "
- "supported firmware is %u.%u.%u.\n", major, minor,
- micro, exp_major, exp_minor, exp_micro);
- return -EFAULT;
+ if (!card_fw_usable) {
+ reason = "incompatible or unusable";
+ goto install;
}
- if (major != exp_major) { /* major mismatch - fail */
- dev_err(adapter->pdev_dev,
- "card FW has major version %u, driver wants %u\n",
- major, exp_major);
- return -EINVAL;
+ if (k > c) {
+ reason = "older than the version supported with this driver";
+ goto install;
}
- if (minor == exp_minor && micro == exp_micro)
- return 0; /* perfect match */
+ return 0;
+
+install:
+ dev_err(adap->pdev_dev, "firmware on card (%u.%u.%u.%u) is %s, "
+ "installing firmware %u.%u.%u.%u on card.\n",
+ FW_HDR_FW_VER_MAJOR_GET(c), FW_HDR_FW_VER_MINOR_GET(c),
+ FW_HDR_FW_VER_MICRO_GET(c), FW_HDR_FW_VER_BUILD_GET(c), reason,
+ FW_HDR_FW_VER_MAJOR_GET(k), FW_HDR_FW_VER_MINOR_GET(k),
+ FW_HDR_FW_VER_MICRO_GET(k), FW_HDR_FW_VER_BUILD_GET(k));
- /* Minor/micro version mismatch. Report it but often it's OK. */
return 1;
}
+int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
+ const u8 *fw_data, unsigned int fw_size,
+ struct fw_hdr *card_fw, enum dev_state state,
+ int *reset)
+{
+ int ret, card_fw_usable, fs_fw_usable;
+ const struct fw_hdr *fs_fw;
+ const struct fw_hdr *drv_fw;
+
+ drv_fw = &fw_info->fw_hdr;
+
+ /* Read the header of the firmware on the card */
+ ret = -t4_read_flash(adap, FLASH_FW_START,
+ sizeof(*card_fw) / sizeof(uint32_t),
+ (uint32_t *)card_fw, 1);
+ if (ret == 0) {
+ card_fw_usable = fw_compatible(drv_fw, (const void *)card_fw);
+ } else {
+ dev_err(adap->pdev_dev,
+ "Unable to read card's firmware header: %d\n", ret);
+ card_fw_usable = 0;
+ }
+
+ if (fw_data != NULL) {
+ fs_fw = (const void *)fw_data;
+ fs_fw_usable = fw_compatible(drv_fw, fs_fw);
+ } else {
+ fs_fw = NULL;
+ fs_fw_usable = 0;
+ }
+
+ if (card_fw_usable && card_fw->fw_ver == drv_fw->fw_ver &&
+ (!fs_fw_usable || fs_fw->fw_ver == drv_fw->fw_ver)) {
+ /* Common case: the firmware on the card is an exact match and
+ * the filesystem one is an exact match too, or the filesystem
+ * one is absent/incompatible.
+ */
+ } else if (fs_fw_usable && state == DEV_STATE_UNINIT &&
+ should_install_fs_fw(adap, card_fw_usable,
+ be32_to_cpu(fs_fw->fw_ver),
+ be32_to_cpu(card_fw->fw_ver))) {
+ ret = -t4_fw_upgrade(adap, adap->mbox, fw_data,
+ fw_size, 0);
+ if (ret != 0) {
+ dev_err(adap->pdev_dev,
+ "failed to install firmware: %d\n", ret);
+ goto bye;
+ }
+
+ /* Installed successfully, update the cached header too. */
+ memcpy(card_fw, fs_fw, sizeof(*card_fw));
+ card_fw_usable = 1;
+ *reset = 0; /* already reset as part of load_fw */
+ }
+
+ if (!card_fw_usable) {
+ uint32_t d, c, k;
+
+ d = be32_to_cpu(drv_fw->fw_ver);
+ c = be32_to_cpu(card_fw->fw_ver);
+ k = fs_fw ? be32_to_cpu(fs_fw->fw_ver) : 0;
+
+ dev_err(adap->pdev_dev, "Cannot find a usable firmware: "
+ "chip state %d, "
+ "driver compiled with %d.%d.%d.%d, "
+ "card has %d.%d.%d.%d, filesystem has %d.%d.%d.%d\n",
+ state,
+ FW_HDR_FW_VER_MAJOR_GET(d), FW_HDR_FW_VER_MINOR_GET(d),
+ FW_HDR_FW_VER_MICRO_GET(d), FW_HDR_FW_VER_BUILD_GET(d),
+ FW_HDR_FW_VER_MAJOR_GET(c), FW_HDR_FW_VER_MINOR_GET(c),
+ FW_HDR_FW_VER_MICRO_GET(c), FW_HDR_FW_VER_BUILD_GET(c),
+ FW_HDR_FW_VER_MAJOR_GET(k), FW_HDR_FW_VER_MINOR_GET(k),
+ FW_HDR_FW_VER_MICRO_GET(k), FW_HDR_FW_VER_BUILD_GET(k));
+ ret = EINVAL;
+ goto bye;
+ }
+
+ /* We're using whatever's on the card and it's known to be good. */
+ adap->params.fw_vers = be32_to_cpu(card_fw->fw_ver);
+ adap->params.tp_vers = be32_to_cpu(card_fw->tp_microcode_ver);
+
+bye:
+ return ret;
+}
+
/**
* t4_flash_erase_sectors - erase a range of flash sectors
* @adapter: the adapter
@@ -1368,7 +1433,7 @@ static void pcie_intr_handler(struct adapter *adapter)
PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
pcie_port_intr_info) +
t4_handle_intr_status(adapter, PCIE_INT_CAUSE,
- is_t4(adapter->chip) ?
+ is_t4(adapter->params.chip) ?
pcie_intr_info : t5_pcie_intr_info);
if (fat)
@@ -1782,7 +1847,7 @@ static void xgmac_intr_handler(struct adapter *adap, int port)
{
u32 v, int_cause_reg;
- if (is_t4(adap->chip))
+ if (is_t4(adap->params.chip))
int_cause_reg = PORT_REG(port, XGMAC_PORT_INT_CAUSE);
else
int_cause_reg = T5_PORT_REG(port, MAC_PORT_INT_CAUSE);
@@ -2250,7 +2315,7 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
#define GET_STAT(name) \
t4_read_reg64(adap, \
- (is_t4(adap->chip) ? PORT_REG(idx, MPS_PORT_STAT_##name##_L) : \
+ (is_t4(adap->params.chip) ? PORT_REG(idx, MPS_PORT_STAT_##name##_L) : \
T5_PORT_REG(idx, MPS_PORT_STAT_##name##_L)))
#define GET_STAT_COM(name) t4_read_reg64(adap, MPS_STAT_##name##_L)
@@ -2332,7 +2397,7 @@ void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
{
u32 mag_id_reg_l, mag_id_reg_h, port_cfg_reg;
- if (is_t4(adap->chip)) {
+ if (is_t4(adap->params.chip)) {
mag_id_reg_l = PORT_REG(port, XGMAC_PORT_MAGIC_MACID_LO);
mag_id_reg_h = PORT_REG(port, XGMAC_PORT_MAGIC_MACID_HI);
port_cfg_reg = PORT_REG(port, XGMAC_PORT_CFG2);
@@ -2374,7 +2439,7 @@ int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
int i;
u32 port_cfg_reg;
- if (is_t4(adap->chip))
+ if (is_t4(adap->params.chip))
port_cfg_reg = PORT_REG(port, XGMAC_PORT_CFG2);
else
port_cfg_reg = T5_PORT_REG(port, MAC_PORT_CFG2);
@@ -2387,7 +2452,7 @@ int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
return -EINVAL;
#define EPIO_REG(name) \
- (is_t4(adap->chip) ? PORT_REG(port, XGMAC_PORT_EPIO_##name) : \
+ (is_t4(adap->params.chip) ? PORT_REG(port, XGMAC_PORT_EPIO_##name) : \
T5_PORT_REG(port, MAC_PORT_EPIO_##name))
t4_write_reg(adap, EPIO_REG(DATA1), mask0 >> 32);
@@ -2474,7 +2539,7 @@ int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
int t4_mem_win_read_len(struct adapter *adap, u32 addr, __be32 *data, int len)
{
int i, off;
- u32 win_pf = is_t4(adap->chip) ? 0 : V_PFNUM(adap->fn);
+ u32 win_pf = is_t4(adap->params.chip) ? 0 : V_PFNUM(adap->fn);
/* Align on a 2KB boundary.
*/
@@ -3306,7 +3371,7 @@ int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
int i, ret;
struct fw_vi_mac_cmd c;
struct fw_vi_mac_exact *p;
- unsigned int max_naddr = is_t4(adap->chip) ?
+ unsigned int max_naddr = is_t4(adap->params.chip) ?
NUM_MPS_CLS_SRAM_L_INSTANCES :
NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
@@ -3368,7 +3433,7 @@ int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
int ret, mode;
struct fw_vi_mac_cmd c;
struct fw_vi_mac_exact *p = c.u.exact;
- unsigned int max_mac_addr = is_t4(adap->chip) ?
+ unsigned int max_mac_addr = is_t4(adap->params.chip) ?
NUM_MPS_CLS_SRAM_L_INSTANCES :
NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
@@ -3699,13 +3764,14 @@ int t4_prep_adapter(struct adapter *adapter)
{
int ret, ver;
uint16_t device_id;
+ u32 pl_rev;
ret = t4_wait_dev_ready(adapter);
if (ret < 0)
return ret;
get_pci_mode(adapter, &adapter->params.pci);
- adapter->params.rev = t4_read_reg(adapter, PL_REV);
+ pl_rev = G_REV(t4_read_reg(adapter, PL_REV));
ret = get_flash_params(adapter);
if (ret < 0) {
@@ -3717,14 +3783,13 @@ int t4_prep_adapter(struct adapter *adapter)
*/
pci_read_config_word(adapter->pdev, PCI_DEVICE_ID, &device_id);
ver = device_id >> 12;
+ adapter->params.chip = 0;
switch (ver) {
case CHELSIO_T4:
- adapter->chip = CHELSIO_CHIP_CODE(CHELSIO_T4,
- adapter->params.rev);
+ adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T4, pl_rev);
break;
case CHELSIO_T5:
- adapter->chip = CHELSIO_CHIP_CODE(CHELSIO_T5,
- adapter->params.rev);
+ adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev);
break;
default:
dev_err(adapter->pdev_dev, "Device %d is not supported\n",
@@ -3732,9 +3797,6 @@ int t4_prep_adapter(struct adapter *adapter)
return -EINVAL;
}
- /* Reassign the updated revision field */
- adapter->params.rev = adapter->chip;
-
init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd);
/*
@@ -3746,6 +3808,109 @@ int t4_prep_adapter(struct adapter *adapter)
return 0;
}
+/**
+ * t4_init_tp_params - initialize adap->params.tp
+ * @adap: the adapter
+ *
+ * Initialize various fields of the adapter's TP Parameters structure.
+ */
+int t4_init_tp_params(struct adapter *adap)
+{
+ int chan;
+ u32 v;
+
+ v = t4_read_reg(adap, TP_TIMER_RESOLUTION);
+ adap->params.tp.tre = TIMERRESOLUTION_GET(v);
+ adap->params.tp.dack_re = DELAYEDACKRESOLUTION_GET(v);
+
+ /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */
+ for (chan = 0; chan < NCHAN; chan++)
+ adap->params.tp.tx_modq[chan] = chan;
+
+ /* Cache the adapter's Compressed Filter Mode and global Incress
+ * Configuration.
+ */
+ t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA,
+ &adap->params.tp.vlan_pri_map, 1,
+ TP_VLAN_PRI_MAP);
+ t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA,
+ &adap->params.tp.ingress_config, 1,
+ TP_INGRESS_CONFIG);
+
+ /* Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field
+ * shift positions of several elements of the Compressed Filter Tuple
+ * for this adapter which we need frequently ...
+ */
+ adap->params.tp.vlan_shift = t4_filter_field_shift(adap, F_VLAN);
+ adap->params.tp.vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID);
+ adap->params.tp.port_shift = t4_filter_field_shift(adap, F_PORT);
+ adap->params.tp.protocol_shift = t4_filter_field_shift(adap,
+ F_PROTOCOL);
+
+ /* If TP_INGRESS_CONFIG.VNID == 0, then TP_VLAN_PRI_MAP.VNIC_ID
+ * represents the presense of an Outer VLAN instead of a VNIC ID.
+ */
+ if ((adap->params.tp.ingress_config & F_VNIC) == 0)
+ adap->params.tp.vnic_shift = -1;
+
+ return 0;
+}
+
+/**
+ * t4_filter_field_shift - calculate filter field shift
+ * @adap: the adapter
+ * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits)
+ *
+ * Return the shift position of a filter field within the Compressed
+ * Filter Tuple. The filter field is specified via its selection bit
+ * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN.
+ */
+int t4_filter_field_shift(const struct adapter *adap, int filter_sel)
+{
+ unsigned int filter_mode = adap->params.tp.vlan_pri_map;
+ unsigned int sel;
+ int field_shift;
+
+ if ((filter_mode & filter_sel) == 0)
+ return -1;
+
+ for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) {
+ switch (filter_mode & sel) {
+ case F_FCOE:
+ field_shift += W_FT_FCOE;
+ break;
+ case F_PORT:
+ field_shift += W_FT_PORT;
+ break;
+ case F_VNIC_ID:
+ field_shift += W_FT_VNIC_ID;
+ break;
+ case F_VLAN:
+ field_shift += W_FT_VLAN;
+ break;
+ case F_TOS:
+ field_shift += W_FT_TOS;
+ break;
+ case F_PROTOCOL:
+ field_shift += W_FT_PROTOCOL;
+ break;
+ case F_ETHERTYPE:
+ field_shift += W_FT_ETHERTYPE;
+ break;
+ case F_MACMATCH:
+ field_shift += W_FT_MACMATCH;
+ break;
+ case F_MPSHITTYPE:
+ field_shift += W_FT_MPSHITTYPE;
+ break;
+ case F_FRAGMENTATION:
+ field_shift += W_FT_FRAGMENTATION;
+ break;
+ }
+ }
+ return field_shift;
+}
+
int t4_port_init(struct adapter *adap, int mbox, int pf, int vf)
{
u8 addr[6];
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
index ef146c0ba481..4082522d8140 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
@@ -1092,6 +1092,11 @@
#define PL_REV 0x1943c
+#define S_REV 0
+#define M_REV 0xfU
+#define V_REV(x) ((x) << S_REV)
+#define G_REV(x) (((x) >> S_REV) & M_REV)
+
#define LE_DB_CONFIG 0x19c04
#define HASHEN 0x00100000U
@@ -1166,10 +1171,50 @@
#define A_TP_TX_SCHED_PCMD 0x25
+#define S_VNIC 11
+#define V_VNIC(x) ((x) << S_VNIC)
+#define F_VNIC V_VNIC(1U)
+
+#define S_FRAGMENTATION 9
+#define V_FRAGMENTATION(x) ((x) << S_FRAGMENTATION)
+#define F_FRAGMENTATION V_FRAGMENTATION(1U)
+
+#define S_MPSHITTYPE 8
+#define V_MPSHITTYPE(x) ((x) << S_MPSHITTYPE)
+#define F_MPSHITTYPE V_MPSHITTYPE(1U)
+
+#define S_MACMATCH 7
+#define V_MACMATCH(x) ((x) << S_MACMATCH)
+#define F_MACMATCH V_MACMATCH(1U)
+
+#define S_ETHERTYPE 6
+#define V_ETHERTYPE(x) ((x) << S_ETHERTYPE)
+#define F_ETHERTYPE V_ETHERTYPE(1U)
+
+#define S_PROTOCOL 5
+#define V_PROTOCOL(x) ((x) << S_PROTOCOL)
+#define F_PROTOCOL V_PROTOCOL(1U)
+
+#define S_TOS 4
+#define V_TOS(x) ((x) << S_TOS)
+#define F_TOS V_TOS(1U)
+
+#define S_VLAN 3
+#define V_VLAN(x) ((x) << S_VLAN)
+#define F_VLAN V_VLAN(1U)
+
+#define S_VNIC_ID 2
+#define V_VNIC_ID(x) ((x) << S_VNIC_ID)
+#define F_VNIC_ID V_VNIC_ID(1U)
+
#define S_PORT 1
#define V_PORT(x) ((x) << S_PORT)
#define F_PORT V_PORT(1U)
+#define S_FCOE 0
+#define V_FCOE(x) ((x) << S_FCOE)
+#define F_FCOE V_FCOE(1U)
+
#define NUM_MPS_CLS_SRAM_L_INSTANCES 336
#define NUM_MPS_T5_CLS_SRAM_L_INSTANCES 512
@@ -1199,4 +1244,46 @@
#define EDC_STRIDE_T5 (EDC_T51_BASE_ADDR - EDC_T50_BASE_ADDR)
#define EDC_REG_T5(reg, idx) (reg + EDC_STRIDE_T5 * idx)
+#define A_PL_VF_REV 0x4
+#define A_PL_VF_WHOAMI 0x0
+#define A_PL_VF_REVISION 0x8
+
+#define S_CHIPID 4
+#define M_CHIPID 0xfU
+#define V_CHIPID(x) ((x) << S_CHIPID)
+#define G_CHIPID(x) (((x) >> S_CHIPID) & M_CHIPID)
+
+/* TP_VLAN_PRI_MAP controls which subset of fields will be present in the
+ * Compressed Filter Tuple for LE filters. Each bit set in TP_VLAN_PRI_MAP
+ * selects for a particular field being present. These fields, when present
+ * in the Compressed Filter Tuple, have the following widths in bits.
+ */
+#define W_FT_FCOE 1
+#define W_FT_PORT 3
+#define W_FT_VNIC_ID 17
+#define W_FT_VLAN 17
+#define W_FT_TOS 8
+#define W_FT_PROTOCOL 8
+#define W_FT_ETHERTYPE 16
+#define W_FT_MACMATCH 9
+#define W_FT_MPSHITTYPE 3
+#define W_FT_FRAGMENTATION 1
+
+/* Some of the Compressed Filter Tuple fields have internal structure. These
+ * bit shifts/masks describe those structures. All shifts are relative to the
+ * base position of the fields within the Compressed Filter Tuple
+ */
+#define S_FT_VLAN_VLD 16
+#define V_FT_VLAN_VLD(x) ((x) << S_FT_VLAN_VLD)
+#define F_FT_VLAN_VLD V_FT_VLAN_VLD(1U)
+
+#define S_FT_VNID_ID_VF 0
+#define V_FT_VNID_ID_VF(x) ((x) << S_FT_VNID_ID_VF)
+
+#define S_FT_VNID_ID_PF 7
+#define V_FT_VNID_ID_PF(x) ((x) << S_FT_VNID_ID_PF)
+
+#define S_FT_VNID_ID_VLD 16
+#define V_FT_VNID_ID_VLD(x) ((x) << S_FT_VNID_ID_VLD)
+
#endif /* __T4_REGS_H */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 6f77ac487743..74fea74ce0aa 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -2157,7 +2157,7 @@ struct fw_debug_cmd {
struct fw_hdr {
u8 ver;
- u8 reserved1;
+ u8 chip; /* terminator chip type */
__be16 len512; /* bin length in units of 512-bytes */
__be32 fw_ver; /* firmware version */
__be32 tp_microcode_ver;
@@ -2176,6 +2176,11 @@ struct fw_hdr {
__be32 reserved6[23];
};
+enum fw_hdr_chip {
+ FW_HDR_CHIP_T4,
+ FW_HDR_CHIP_T5
+};
+
#define FW_HDR_FW_VER_MAJOR_GET(x) (((x) >> 24) & 0xff)
#define FW_HDR_FW_VER_MINOR_GET(x) (((x) >> 16) & 0xff)
#define FW_HDR_FW_VER_MICRO_GET(x) (((x) >> 8) & 0xff)
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
index be5c7ef6ca93..68eaa9c88c7d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
@@ -344,7 +344,6 @@ struct adapter {
unsigned long registered_device_map;
unsigned long open_device_map;
unsigned long flags;
- enum chip_type chip;
struct adapter_params params;
/* queue and interrupt resources */
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 5f90ec5f7519..0899c0983594 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -1064,7 +1064,7 @@ static inline unsigned int mk_adap_vers(const struct adapter *adapter)
/*
* Chip version 4, revision 0x3f (cxgb4vf).
*/
- return CHELSIO_CHIP_VERSION(adapter->chip) | (0x3f << 10);
+ return CHELSIO_CHIP_VERSION(adapter->params.chip) | (0x3f << 10);
}
/*
@@ -1551,9 +1551,13 @@ static void cxgb4vf_get_regs(struct net_device *dev,
reg_block_dump(adapter, regbuf,
T4VF_MPS_BASE_ADDR + T4VF_MOD_MAP_MPS_FIRST,
T4VF_MPS_BASE_ADDR + T4VF_MOD_MAP_MPS_LAST);
+
+ /* T5 adds new registers in the PL Register map.
+ */
reg_block_dump(adapter, regbuf,
T4VF_PL_BASE_ADDR + T4VF_MOD_MAP_PL_FIRST,
- T4VF_PL_BASE_ADDR + T4VF_MOD_MAP_PL_LAST);
+ T4VF_PL_BASE_ADDR + (is_t4(adapter->params.chip)
+ ? A_PL_VF_WHOAMI : A_PL_VF_REVISION));
reg_block_dump(adapter, regbuf,
T4VF_CIM_BASE_ADDR + T4VF_MOD_MAP_CIM_FIRST,
T4VF_CIM_BASE_ADDR + T4VF_MOD_MAP_CIM_LAST);
@@ -2087,6 +2091,7 @@ static int adap_init0(struct adapter *adapter)
unsigned int ethqsets;
int err;
u32 param, val = 0;
+ unsigned int chipid;
/*
* Wait for the device to become ready before proceeding ...
@@ -2114,12 +2119,14 @@ static int adap_init0(struct adapter *adapter)
return err;
}
+ adapter->params.chip = 0;
switch (adapter->pdev->device >> 12) {
case CHELSIO_T4:
- adapter->chip = CHELSIO_CHIP_CODE(CHELSIO_T4, 0);
+ adapter->params.chip = CHELSIO_CHIP_CODE(CHELSIO_T4, 0);
break;
case CHELSIO_T5:
- adapter->chip = CHELSIO_CHIP_CODE(CHELSIO_T5, 0);
+ chipid = G_REV(t4_read_reg(adapter, A_PL_VF_REV));
+ adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, chipid);
break;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
index 8475c4cda9e4..0a89963c48ce 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -537,7 +537,7 @@ static inline void ring_fl_db(struct adapter *adapter, struct sge_fl *fl)
*/
if (fl->pend_cred >= FL_PER_EQ_UNIT) {
val = PIDX(fl->pend_cred / FL_PER_EQ_UNIT);
- if (!is_t4(adapter->chip))
+ if (!is_t4(adapter->params.chip))
val |= DBTYPE(1);
wmb();
t4_write_reg(adapter, T4VF_SGE_BASE_ADDR + SGE_VF_KDOORBELL,
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
index 53cbfed21d0b..61362450d05b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
@@ -39,21 +39,28 @@
#include "../cxgb4/t4fw_api.h"
#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
-#define CHELSIO_CHIP_VERSION(code) ((code) >> 4)
+#define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
+/* All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where:
+ *
+ * V = "4" for T4; "5" for T5, etc. or
+ * = "a" for T4 FPGA; "b" for T4 FPGA, etc.
+ * F = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs
+ * PP = adapter product designation
+ */
#define CHELSIO_T4 0x4
#define CHELSIO_T5 0x5
enum chip_type {
- T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 0),
- T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
- T4_A3 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
+ T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
+ T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
T4_FIRST_REV = T4_A1,
- T4_LAST_REV = T4_A3,
+ T4_LAST_REV = T4_A2,
- T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
- T5_FIRST_REV = T5_A1,
+ T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
+ T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
+ T5_FIRST_REV = T5_A0,
T5_LAST_REV = T5_A1,
};
@@ -203,6 +210,7 @@ struct adapter_params {
struct vpd_params vpd; /* Vital Product Data */
struct rss_params rss; /* Receive Side Scaling */
struct vf_resources vfres; /* Virtual Function Resource limits */
+ enum chip_type chip; /* chip code */
u8 nports; /* # of Ethernet "ports" */
};
@@ -253,7 +261,7 @@ static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd,
static inline int is_t4(enum chip_type chip)
{
- return (chip >= T4_FIRST_REV && chip <= T4_LAST_REV);
+ return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4;
}
int t4vf_wait_dev_ready(struct adapter *);
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
index 9f96dc3bb112..d958c44341b5 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
@@ -1027,7 +1027,7 @@ int t4vf_alloc_mac_filt(struct adapter *adapter, unsigned int viid, bool free,
unsigned nfilters = 0;
unsigned int rem = naddr;
struct fw_vi_mac_cmd cmd, rpl;
- unsigned int max_naddr = is_t4(adapter->chip) ?
+ unsigned int max_naddr = is_t4(adapter->params.chip) ?
NUM_MPS_CLS_SRAM_L_INSTANCES :
NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
@@ -1121,7 +1121,7 @@ int t4vf_change_mac(struct adapter *adapter, unsigned int viid,
struct fw_vi_mac_exact *p = &cmd.u.exact[0];
size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
u.exact[1]), 16);
- unsigned int max_naddr = is_t4(adapter->chip) ?
+ unsigned int max_naddr = is_t4(adapter->params.chip) ?
NUM_MPS_CLS_SRAM_L_INSTANCES :
NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index f4825db5d179..4ccaf9af6fc9 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -104,6 +104,7 @@ static inline char *nic_name(struct pci_dev *pdev)
#define BE3_MAX_RSS_QS 16
#define BE3_MAX_TX_QS 16
#define BE3_MAX_EVT_QS 16
+#define BE3_SRIOV_MAX_EVT_QS 8
#define MAX_RX_QS 32
#define MAX_EVT_QS 32
@@ -480,7 +481,7 @@ struct be_adapter {
struct list_head entry;
u32 flash_status;
- struct completion flash_compl;
+ struct completion et_cmd_compl;
struct be_resources res; /* resources available for the func */
u16 num_vfs; /* Number of VFs provisioned by PF */
@@ -503,6 +504,7 @@ struct be_adapter {
};
#define be_physfn(adapter) (!adapter->virtfn)
+#define be_virtfn(adapter) (adapter->virtfn)
#define sriov_enabled(adapter) (adapter->num_vfs > 0)
#define sriov_want(adapter) (be_physfn(adapter) && \
(num_vfs || pci_num_vf(adapter->pdev)))
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index dbcd5262c016..94c35c8d799d 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -141,11 +141,17 @@ static int be_mcc_compl_process(struct be_adapter *adapter,
subsystem = resp_hdr->subsystem;
}
+ if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST &&
+ subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
+ complete(&adapter->et_cmd_compl);
+ return 0;
+ }
+
if (((opcode == OPCODE_COMMON_WRITE_FLASHROM) ||
(opcode == OPCODE_COMMON_WRITE_OBJECT)) &&
(subsystem == CMD_SUBSYSTEM_COMMON)) {
adapter->flash_status = compl_status;
- complete(&adapter->flash_compl);
+ complete(&adapter->et_cmd_compl);
}
if (compl_status == MCC_STATUS_SUCCESS) {
@@ -1032,6 +1038,13 @@ int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq,
} else {
req->hdr.version = 2;
req->page_size = 1; /* 1 for 4K */
+
+ /* coalesce-wm field in this cmd is not relevant to Lancer.
+ * Lancer uses COMMON_MODIFY_CQ to set this field
+ */
+ if (!lancer_chip(adapter))
+ AMAP_SET_BITS(struct amap_cq_context_v2, coalescwm,
+ ctxt, coalesce_wm);
AMAP_SET_BITS(struct amap_cq_context_v2, nodelay, ctxt,
no_delay);
AMAP_SET_BITS(struct amap_cq_context_v2, count, ctxt,
@@ -2010,6 +2023,9 @@ int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable,
0x3ea83c02, 0x4a110304};
int status;
+ if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS))
+ return 0;
+
if (mutex_lock_interruptible(&adapter->mbox_lock))
return -1;
@@ -2153,7 +2169,7 @@ int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
be_mcc_notify(adapter);
spin_unlock_bh(&adapter->mcc_lock);
- if (!wait_for_completion_timeout(&adapter->flash_compl,
+ if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
msecs_to_jiffies(60000)))
status = -1;
else
@@ -2248,8 +2264,8 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
be_mcc_notify(adapter);
spin_unlock_bh(&adapter->mcc_lock);
- if (!wait_for_completion_timeout(&adapter->flash_compl,
- msecs_to_jiffies(40000)))
+ if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
+ msecs_to_jiffies(40000)))
status = -1;
else
status = adapter->flash_status;
@@ -2360,6 +2376,7 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_loopback_test *req;
+ struct be_cmd_resp_loopback_test *resp;
int status;
spin_lock_bh(&adapter->mcc_lock);
@@ -2374,8 +2391,8 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb, NULL);
- req->hdr.timeout = cpu_to_le32(4);
+ req->hdr.timeout = cpu_to_le32(15);
req->pattern = cpu_to_le64(pattern);
req->src_port = cpu_to_le32(port_num);
req->dest_port = cpu_to_le32(port_num);
@@ -2383,12 +2400,15 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
req->num_pkts = cpu_to_le32(num_pkts);
req->loopback_type = cpu_to_le32(loopback_type);
- status = be_mcc_notify_wait(adapter);
- if (!status) {
- struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb);
- status = le32_to_cpu(resp->status);
- }
+ be_mcc_notify(adapter);
+
+ spin_unlock_bh(&adapter->mcc_lock);
+
+ wait_for_completion(&adapter->et_cmd_compl);
+ resp = embedded_payload(wrb);
+ status = le32_to_cpu(resp->status);
+ return status;
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h
index 3e2162121601..dc88782185f2 100644
--- a/drivers/net/ethernet/emulex/benet/be_hw.h
+++ b/drivers/net/ethernet/emulex/benet/be_hw.h
@@ -64,6 +64,9 @@
#define SLIPORT_ERROR_NO_RESOURCE1 0x2
#define SLIPORT_ERROR_NO_RESOURCE2 0x9
+#define SLIPORT_ERROR_FW_RESET1 0x2
+#define SLIPORT_ERROR_FW_RESET2 0x0
+
/********* Memory BAR register ************/
#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
/* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index abde97471636..bf40fdaecfa3 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2464,8 +2464,16 @@ void be_detect_error(struct be_adapter *adapter)
*/
if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
adapter->hw_error = true;
- dev_err(&adapter->pdev->dev,
- "Error detected in the card\n");
+ /* Do not log error messages if its a FW reset */
+ if (sliport_err1 == SLIPORT_ERROR_FW_RESET1 &&
+ sliport_err2 == SLIPORT_ERROR_FW_RESET2) {
+ dev_info(&adapter->pdev->dev,
+ "Firmware update in progress\n");
+ return;
+ } else {
+ dev_err(&adapter->pdev->dev,
+ "Error detected in the card\n");
+ }
}
if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
@@ -2658,8 +2666,8 @@ static int be_close(struct net_device *netdev)
be_roce_dev_close(adapter);
- for_all_evt_queues(adapter, eqo, i) {
- if (adapter->flags & BE_FLAGS_NAPI_ENABLED) {
+ if (adapter->flags & BE_FLAGS_NAPI_ENABLED) {
+ for_all_evt_queues(adapter, eqo, i) {
napi_disable(&eqo->napi);
be_disable_busy_poll(eqo);
}
@@ -2736,13 +2744,16 @@ static int be_rx_qs_create(struct be_adapter *adapter)
if (!BEx_chip(adapter))
adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 |
RSS_ENABLE_UDP_IPV6;
+ } else {
+ /* Disable RSS, if only default RX Q is created */
+ adapter->rss_flags = RSS_ENABLE_NONE;
+ }
- rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags,
- 128);
- if (rc) {
- adapter->rss_flags = 0;
- return rc;
- }
+ rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags,
+ 128);
+ if (rc) {
+ adapter->rss_flags = RSS_ENABLE_NONE;
+ return rc;
}
/* First time posting */
@@ -2932,28 +2943,35 @@ static void be_cancel_worker(struct be_adapter *adapter)
}
}
-static int be_clear(struct be_adapter *adapter)
+static void be_mac_clear(struct be_adapter *adapter)
{
int i;
+ if (adapter->pmac_id) {
+ for (i = 0; i < (adapter->uc_macs + 1); i++)
+ be_cmd_pmac_del(adapter, adapter->if_handle,
+ adapter->pmac_id[i], 0);
+ adapter->uc_macs = 0;
+
+ kfree(adapter->pmac_id);
+ adapter->pmac_id = NULL;
+ }
+}
+
+static int be_clear(struct be_adapter *adapter)
+{
be_cancel_worker(adapter);
if (sriov_enabled(adapter))
be_vf_clear(adapter);
/* delete the primary mac along with the uc-mac list */
- for (i = 0; i < (adapter->uc_macs + 1); i++)
- be_cmd_pmac_del(adapter, adapter->if_handle,
- adapter->pmac_id[i], 0);
- adapter->uc_macs = 0;
+ be_mac_clear(adapter);
be_cmd_if_destroy(adapter, adapter->if_handle, 0);
be_clear_queues(adapter);
- kfree(adapter->pmac_id);
- adapter->pmac_id = NULL;
-
be_msix_disable(adapter);
return 0;
}
@@ -3109,11 +3127,11 @@ static void BEx_get_resources(struct be_adapter *adapter,
{
struct pci_dev *pdev = adapter->pdev;
bool use_sriov = false;
+ int max_vfs;
- if (BE3_chip(adapter) && sriov_want(adapter)) {
- int max_vfs;
+ max_vfs = pci_sriov_get_totalvfs(pdev);
- max_vfs = pci_sriov_get_totalvfs(pdev);
+ if (BE3_chip(adapter) && sriov_want(adapter)) {
res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0;
use_sriov = res->max_vfs;
}
@@ -3144,7 +3162,11 @@ static void BEx_get_resources(struct be_adapter *adapter,
BE3_MAX_RSS_QS : BE2_MAX_RSS_QS;
res->max_rx_qs = res->max_rss_qs + 1;
- res->max_evt_qs = be_physfn(adapter) ? BE3_MAX_EVT_QS : 1;
+ if (be_physfn(adapter))
+ res->max_evt_qs = (max_vfs > 0) ?
+ BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS;
+ else
+ res->max_evt_qs = 1;
res->if_cap_flags = BE_IF_CAP_FLAGS_WANT;
if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS))
@@ -3253,12 +3275,10 @@ static int be_mac_setup(struct be_adapter *adapter)
memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN);
}
- /* On BE3 VFs this cmd may fail due to lack of privilege.
- * Ignore the failure as in this case pmac_id is fetched
- * in the IFACE_CREATE cmd.
- */
- be_cmd_pmac_add(adapter, mac, adapter->if_handle,
- &adapter->pmac_id[0], 0);
+ /* For BE3-R VFs, the PF programs the initial MAC address */
+ if (!(BEx_chip(adapter) && be_virtfn(adapter)))
+ be_cmd_pmac_add(adapter, mac, adapter->if_handle,
+ &adapter->pmac_id[0], 0);
return 0;
}
@@ -3814,6 +3834,8 @@ static int lancer_fw_download(struct be_adapter *adapter,
}
if (change_status == LANCER_FW_RESET_NEEDED) {
+ dev_info(&adapter->pdev->dev,
+ "Resetting adapter to activate new FW\n");
status = lancer_physdev_ctrl(adapter,
PHYSDEV_CONTROL_FW_RESET_MASK);
if (status) {
@@ -4190,7 +4212,7 @@ static int be_ctrl_init(struct be_adapter *adapter)
spin_lock_init(&adapter->mcc_lock);
spin_lock_init(&adapter->mcc_cq_lock);
- init_completion(&adapter->flash_compl);
+ init_completion(&adapter->et_cmd_compl);
pci_save_state(adapter->pdev);
return 0;
@@ -4365,13 +4387,13 @@ static int lancer_recover_func(struct be_adapter *adapter)
goto err;
}
- dev_err(dev, "Error recovery successful\n");
+ dev_err(dev, "Adapter recovery successful\n");
return 0;
err:
if (status == -EAGAIN)
dev_err(dev, "Waiting for resource provisioning\n");
else
- dev_err(dev, "Error recovery failed\n");
+ dev_err(dev, "Adapter recovery failed\n");
return status;
}
@@ -4599,6 +4621,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state)
if (adapter->wol)
be_setup_wol(adapter, true);
+ be_intr_set(adapter, false);
cancel_delayed_work_sync(&adapter->func_recovery_work);
netif_device_detach(netdev);
@@ -4634,6 +4657,7 @@ static int be_resume(struct pci_dev *pdev)
if (status)
return status;
+ be_intr_set(adapter, true);
/* tell fw we're ready to fire cmds */
status = be_cmd_fw_init(adapter);
if (status)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 4cbebf3d80eb..50bb71c663e2 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -98,10 +98,6 @@ static void set_multicast_list(struct net_device *ndev);
* detected as not set during a prior frame transmission, then the
* ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs
* were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in
- * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously
- * detected as not set during a prior frame transmission, then the
- * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs
- * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in
* frames not being transmitted until there is a 0-to-1 transition on
* ENET_TDAR[TDAR].
*/
@@ -385,7 +381,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
* data.
*/
bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, bufaddr,
- FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);
+ skb->len, DMA_TO_DEVICE);
if (dma_mapping_error(&fep->pdev->dev, bdp->cbd_bufaddr)) {
bdp->cbd_bufaddr = 0;
fep->tx_skbuff[index] = NULL;
@@ -432,6 +428,8 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
/* If this was the last BD in the ring, start at the beginning again. */
bdp = fec_enet_get_nextdesc(bdp, fep);
+ skb_tx_timestamp(skb);
+
fep->cur_tx = bdp;
if (fep->cur_tx == fep->dirty_tx)
@@ -440,8 +438,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
/* Trigger transmission start */
writel(0, fep->hwp + FEC_X_DES_ACTIVE);
- skb_tx_timestamp(skb);
-
return NETDEV_TX_OK;
}
@@ -779,11 +775,10 @@ fec_enet_tx(struct net_device *ndev)
else
index = bdp - fep->tx_bd_base;
- dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr,
- FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);
- bdp->cbd_bufaddr = 0;
-
skb = fep->tx_skbuff[index];
+ dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, skb->len,
+ DMA_TO_DEVICE);
+ bdp->cbd_bufaddr = 0;
/* Check for errors. */
if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC |
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index 2d1c6bdd3618..7628e0fd8455 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -3033,7 +3033,7 @@ static struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
dev->hw_features = NETIF_F_SG | NETIF_F_TSO |
NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_CTAG_TX;
- dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_TSO |
+ dev->features = NETIF_F_SG | NETIF_F_TSO |
NETIF_F_HIGHDMA | NETIF_F_IP_CSUM |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM;
diff --git a/drivers/net/ethernet/intel/e1000/e1000.h b/drivers/net/ethernet/intel/e1000/e1000.h
index 58c147271a36..f9313b36c887 100644
--- a/drivers/net/ethernet/intel/e1000/e1000.h
+++ b/drivers/net/ethernet/intel/e1000/e1000.h
@@ -83,6 +83,11 @@ struct e1000_adapter;
#define E1000_MAX_INTR 10
+/*
+ * Count for polling __E1000_RESET condition every 10-20msec.
+ */
+#define E1000_CHECK_RESET_COUNT 50
+
/* TX/RX descriptor defines */
#define E1000_DEFAULT_TXD 256
#define E1000_MAX_TXD 256
@@ -312,8 +317,6 @@ struct e1000_adapter {
struct delayed_work watchdog_task;
struct delayed_work fifo_stall_task;
struct delayed_work phy_info_task;
-
- struct mutex mutex;
};
enum e1000_state_t {
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index e38622825fa7..46e6544ed1b7 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -494,13 +494,20 @@ static void e1000_down_and_stop(struct e1000_adapter *adapter)
{
set_bit(__E1000_DOWN, &adapter->flags);
- /* Only kill reset task if adapter is not resetting */
- if (!test_bit(__E1000_RESETTING, &adapter->flags))
- cancel_work_sync(&adapter->reset_task);
-
cancel_delayed_work_sync(&adapter->watchdog_task);
+
+ /*
+ * Since the watchdog task can reschedule other tasks, we should cancel
+ * it first, otherwise we can run into the situation when a work is
+ * still running after the adapter has been turned down.
+ */
+
cancel_delayed_work_sync(&adapter->phy_info_task);
cancel_delayed_work_sync(&adapter->fifo_stall_task);
+
+ /* Only kill reset task if adapter is not resetting */
+ if (!test_bit(__E1000_RESETTING, &adapter->flags))
+ cancel_work_sync(&adapter->reset_task);
}
void e1000_down(struct e1000_adapter *adapter)
@@ -544,21 +551,8 @@ void e1000_down(struct e1000_adapter *adapter)
e1000_clean_all_rx_rings(adapter);
}
-static void e1000_reinit_safe(struct e1000_adapter *adapter)
-{
- while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
- msleep(1);
- mutex_lock(&adapter->mutex);
- e1000_down(adapter);
- e1000_up(adapter);
- mutex_unlock(&adapter->mutex);
- clear_bit(__E1000_RESETTING, &adapter->flags);
-}
-
void e1000_reinit_locked(struct e1000_adapter *adapter)
{
- /* if rtnl_lock is not held the call path is bogus */
- ASSERT_RTNL();
WARN_ON(in_interrupt());
while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
msleep(1);
@@ -1316,7 +1310,6 @@ static int e1000_sw_init(struct e1000_adapter *adapter)
e1000_irq_disable(adapter);
spin_lock_init(&adapter->stats_lock);
- mutex_init(&adapter->mutex);
set_bit(__E1000_DOWN, &adapter->flags);
@@ -1440,6 +1433,10 @@ static int e1000_close(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ int count = E1000_CHECK_RESET_COUNT;
+
+ while (test_bit(__E1000_RESETTING, &adapter->flags) && count--)
+ usleep_range(10000, 20000);
WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
e1000_down(adapter);
@@ -2325,11 +2322,8 @@ static void e1000_update_phy_info_task(struct work_struct *work)
struct e1000_adapter *adapter = container_of(work,
struct e1000_adapter,
phy_info_task.work);
- if (test_bit(__E1000_DOWN, &adapter->flags))
- return;
- mutex_lock(&adapter->mutex);
+
e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
- mutex_unlock(&adapter->mutex);
}
/**
@@ -2345,9 +2339,6 @@ static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
struct net_device *netdev = adapter->netdev;
u32 tctl;
- if (test_bit(__E1000_DOWN, &adapter->flags))
- return;
- mutex_lock(&adapter->mutex);
if (atomic_read(&adapter->tx_fifo_stall)) {
if ((er32(TDT) == er32(TDH)) &&
(er32(TDFT) == er32(TDFH)) &&
@@ -2368,7 +2359,6 @@ static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
schedule_delayed_work(&adapter->fifo_stall_task, 1);
}
}
- mutex_unlock(&adapter->mutex);
}
bool e1000_has_link(struct e1000_adapter *adapter)
@@ -2422,10 +2412,6 @@ static void e1000_watchdog(struct work_struct *work)
struct e1000_tx_ring *txdr = adapter->tx_ring;
u32 link, tctl;
- if (test_bit(__E1000_DOWN, &adapter->flags))
- return;
-
- mutex_lock(&adapter->mutex);
link = e1000_has_link(adapter);
if ((netif_carrier_ok(netdev)) && link)
goto link_up;
@@ -2516,7 +2502,7 @@ link_up:
adapter->tx_timeout_count++;
schedule_work(&adapter->reset_task);
/* exit immediately since reset is imminent */
- goto unlock;
+ return;
}
}
@@ -2544,9 +2530,6 @@ link_up:
/* Reschedule the task */
if (!test_bit(__E1000_DOWN, &adapter->flags))
schedule_delayed_work(&adapter->watchdog_task, 2 * HZ);
-
-unlock:
- mutex_unlock(&adapter->mutex);
}
enum latency_range {
@@ -3495,10 +3478,8 @@ static void e1000_reset_task(struct work_struct *work)
struct e1000_adapter *adapter =
container_of(work, struct e1000_adapter, reset_task);
- if (test_bit(__E1000_DOWN, &adapter->flags))
- return;
e_err(drv, "Reset adapter\n");
- e1000_reinit_safe(adapter);
+ e1000_reinit_locked(adapter);
}
/**
@@ -4963,6 +4944,11 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
netif_device_detach(netdev);
if (netif_running(netdev)) {
+ int count = E1000_CHECK_RESET_COUNT;
+
+ while (test_bit(__E1000_RESETTING, &adapter->flags) && count--)
+ usleep_range(10000, 20000);
+
WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
e1000_down(adapter);
}
diff --git a/drivers/net/ethernet/intel/e1000e/80003es2lan.c b/drivers/net/ethernet/intel/e1000e/80003es2lan.c
index 895450e9bb3c..ff2d806eaef7 100644
--- a/drivers/net/ethernet/intel/e1000e/80003es2lan.c
+++ b/drivers/net/ethernet/intel/e1000e/80003es2lan.c
@@ -718,8 +718,11 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
e1000_release_phy_80003es2lan(hw);
/* Disable IBIST slave mode (far-end loopback) */
- e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
- &kum_reg_data);
+ ret_val =
+ e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
+ &kum_reg_data);
+ if (ret_val)
+ return ret_val;
kum_reg_data |= E1000_KMRNCTRLSTA_IBIST_DISABLE;
e1000_write_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
kum_reg_data);
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 8d3945ab7334..c30d41d6e426 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6174,7 +6174,7 @@ static int __e1000_resume(struct pci_dev *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
static int e1000_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -6193,7 +6193,7 @@ static int e1000_resume(struct device *dev)
return __e1000_resume(pdev);
}
-#endif /* CONFIG_PM_SLEEP */
+#endif /* CONFIG_PM */
#ifdef CONFIG_PM_RUNTIME
static int e1000_runtime_suspend(struct device *dev)
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index da2be59505c0..20e71f4ca426 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -1757,19 +1757,23 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
* it across the board.
*/
ret_val = e1e_rphy(hw, MII_BMSR, &phy_status);
- if (ret_val)
+ if (ret_val) {
/* If the first read fails, another entity may have
* ownership of the resources, wait and try again to
* see if they have relinquished the resources yet.
*/
- udelay(usec_interval);
+ if (usec_interval >= 1000)
+ msleep(usec_interval / 1000);
+ else
+ udelay(usec_interval);
+ }
ret_val = e1e_rphy(hw, MII_BMSR, &phy_status);
if (ret_val)
break;
if (phy_status & BMSR_LSTATUS)
break;
if (usec_interval >= 1000)
- mdelay(usec_interval / 1000);
+ msleep(usec_interval / 1000);
else
udelay(usec_interval);
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index be15938ba213..12b0932204ba 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -354,6 +354,9 @@ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
struct rtnl_link_stats64 *vsi_stats = i40e_get_vsi_stats_struct(vsi);
int i;
+ if (!vsi->tx_rings)
+ return stats;
+
rcu_read_lock();
for (i = 0; i < vsi->num_queue_pairs; i++) {
struct i40e_ring *tx_ring, *rx_ring;
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c
index c4c4fe332c7e..ad2b74d95138 100644
--- a/drivers/net/ethernet/intel/igb/e1000_phy.c
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
@@ -1728,7 +1728,10 @@ s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
* ownership of the resources, wait and try again to
* see if they have relinquished the resources yet.
*/
- udelay(usec_interval);
+ if (usec_interval >= 1000)
+ mdelay(usec_interval/1000);
+ else
+ udelay(usec_interval);
}
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);
if (ret_val)
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index b0f3666b1d7f..c3143da497c8 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2062,14 +2062,15 @@ static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct igb_adapter *adapter = netdev_priv(netdev);
- wol->supported = WAKE_UCAST | WAKE_MCAST |
- WAKE_BCAST | WAKE_MAGIC |
- WAKE_PHY;
wol->wolopts = 0;
if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
return;
+ wol->supported = WAKE_UCAST | WAKE_MCAST |
+ WAKE_BCAST | WAKE_MAGIC |
+ WAKE_PHY;
+
/* apply any specific unsupported masks here */
switch (adapter->hw.device_id) {
default:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 0c55079ebee3..5bcc870f8367 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -4251,8 +4251,8 @@ static void ixgbe_disable_fwd_ring(struct ixgbe_fwd_adapter *vadapter,
rx_ring->l2_accel_priv = NULL;
}
-int ixgbe_fwd_ring_down(struct net_device *vdev,
- struct ixgbe_fwd_adapter *accel)
+static int ixgbe_fwd_ring_down(struct net_device *vdev,
+ struct ixgbe_fwd_adapter *accel)
{
struct ixgbe_adapter *adapter = accel->real_adapter;
unsigned int rxbase = accel->rx_base_queue;
@@ -6827,12 +6827,20 @@ static inline int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size)
return __ixgbe_maybe_stop_tx(tx_ring, size);
}
-#ifdef IXGBE_FCOE
-static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
+static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
+ struct ixgbe_fwd_adapter *fwd_adapter = accel_priv;
+#ifdef IXGBE_FCOE
struct ixgbe_adapter *adapter;
struct ixgbe_ring_feature *f;
int txq;
+#endif
+
+ if (fwd_adapter)
+ return skb->queue_mapping + fwd_adapter->tx_base_queue;
+
+#ifdef IXGBE_FCOE
/*
* only execute the code below if protocol is FCoE
@@ -6858,9 +6866,11 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
txq -= f->indices;
return txq + f->offset;
+#else
+ return __netdev_pick_tx(dev, skb);
+#endif
}
-#endif
netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
struct ixgbe_adapter *adapter,
struct ixgbe_ring *tx_ring)
@@ -7629,27 +7639,11 @@ static void ixgbe_fwd_del(struct net_device *pdev, void *priv)
kfree(fwd_adapter);
}
-static netdev_tx_t ixgbe_fwd_xmit(struct sk_buff *skb,
- struct net_device *dev,
- void *priv)
-{
- struct ixgbe_fwd_adapter *fwd_adapter = priv;
- unsigned int queue;
- struct ixgbe_ring *tx_ring;
-
- queue = skb->queue_mapping + fwd_adapter->tx_base_queue;
- tx_ring = fwd_adapter->real_adapter->tx_ring[queue];
-
- return __ixgbe_xmit_frame(skb, dev, tx_ring);
-}
-
static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_open = ixgbe_open,
.ndo_stop = ixgbe_close,
.ndo_start_xmit = ixgbe_xmit_frame,
-#ifdef IXGBE_FCOE
.ndo_select_queue = ixgbe_select_queue,
-#endif
.ndo_set_rx_mode = ixgbe_set_rx_mode,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = ixgbe_set_mac,
@@ -7689,7 +7683,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_bridge_getlink = ixgbe_ndo_bridge_getlink,
.ndo_dfwd_add_station = ixgbe_fwd_add,
.ndo_dfwd_del_station = ixgbe_fwd_del,
- .ndo_dfwd_start_xmit = ixgbe_fwd_xmit,
};
/**
@@ -7986,10 +7979,9 @@ skip_sriov:
NETIF_F_TSO |
NETIF_F_TSO6 |
NETIF_F_RXHASH |
- NETIF_F_RXCSUM |
- NETIF_F_HW_L2FW_DOFFLOAD;
+ NETIF_F_RXCSUM;
- netdev->hw_features = netdev->features;
+ netdev->hw_features = netdev->features | NETIF_F_HW_L2FW_DOFFLOAD;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index e4c676006be9..39217e5ff7dc 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -46,6 +46,7 @@ static bool ixgbe_get_i2c_data(u32 *i2cctl);
static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw);
static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id);
static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw);
+static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw);
/**
* ixgbe_identify_phy_generic - Get physical layer module
@@ -1164,7 +1165,7 @@ err_read_i2c_eeprom:
*
* Searches for and identifies the QSFP module and assigns appropriate PHY type
**/
-s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
+static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
{
struct ixgbe_adapter *adapter = hw->back;
s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
index aae900a256da..fffcbdd2bf0e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
@@ -145,7 +145,6 @@ s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw,
s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw);
s32 ixgbe_identify_module_generic(struct ixgbe_hw *hw);
s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);
-s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw);
s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
u16 *list_offset,
u16 *data_offset);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index d6f0c0d8cf11..72084f70adbb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -291,7 +291,9 @@ static int ixgbe_pci_sriov_disable(struct pci_dev *dev)
{
struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
int err;
+#ifdef CONFIG_PCI_IOV
u32 current_flags = adapter->flags;
+#endif
err = ixgbe_disable_sriov(adapter);
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 6a6c1f76d8e0..ec94a20d7099 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -619,7 +619,8 @@ ltq_etop_set_multicast_list(struct net_device *dev)
}
static u16
-ltq_etop_select_queue(struct net_device *dev, struct sk_buff *skb)
+ltq_etop_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
/* we are currently only using the first queue */
return 0;
diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c
index 7354960b583b..c4eeb69a5bee 100644
--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -92,6 +92,12 @@ static int orion_mdio_wait_ready(struct mii_bus *bus)
if (time_is_before_jiffies(end))
++timedout;
} else {
+ /* wait_event_timeout does not guarantee a delay of at
+ * least one whole jiffie, so timeout must be no less
+ * than two.
+ */
+ if (timeout < 2)
+ timeout = 2;
wait_event_timeout(dev->smi_busy_wait,
orion_mdio_smi_is_done(dev),
timeout);
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index b8e232b4ea2d..d5f0d72e5e33 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1378,7 +1378,7 @@ static void mvneta_rxq_drop_pkts(struct mvneta_port *pp,
dev_kfree_skb_any(skb);
dma_unmap_single(pp->dev->dev.parent, rx_desc->buf_phys_addr,
- rx_desc->data_size, DMA_FROM_DEVICE);
+ MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE);
}
if (rx_done)
@@ -1424,7 +1424,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo,
}
dma_unmap_single(pp->dev->dev.parent, rx_desc->buf_phys_addr,
- rx_desc->data_size, DMA_FROM_DEVICE);
+ MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE);
rx_bytes = rx_desc->data_size -
(ETH_FCS_LEN + MVNETA_MH_SIZE);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
index 40626690e8a8..c11d063473e5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
@@ -140,7 +140,6 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
- struct mlx4_en_tx_ring *tx_ring;
int i, carrier_ok;
memset(buf, 0, sizeof(u64) * MLX4_EN_NUM_SELF_TEST);
@@ -150,16 +149,10 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
carrier_ok = netif_carrier_ok(dev);
netif_carrier_off(dev);
-retry_tx:
/* Wait until all tx queues are empty.
* there should not be any additional incoming traffic
* since we turned the carrier off */
msleep(200);
- for (i = 0; i < priv->tx_ring_num && carrier_ok; i++) {
- tx_ring = priv->tx_ring[i];
- if (tx_ring->prod != (tx_ring->cons + tx_ring->last_nr_txbb))
- goto retry_tx;
- }
if (priv->mdev->dev->caps.flags &
MLX4_DEV_CAP_FLAG_UC_LOOPBACK) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index f54ebd5a1702..a7fcd593b2db 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -592,7 +592,8 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk
}
}
-u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
+u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
u16 rings_p_up = priv->num_tx_rings_p_up;
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 5789ea2c934d..01fc6515384d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2635,6 +2635,8 @@ static int __init mlx4_init(void)
return -ENOMEM;
ret = pci_register_driver(&mlx4_driver);
+ if (ret < 0)
+ destroy_workqueue(mlx4_wq);
return ret < 0 ? ret : 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index f3758de59c05..d5758adceaa2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -714,7 +714,8 @@ int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
void mlx4_en_tx_irq(struct mlx4_cq *mcq);
-u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb);
+u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv);
netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 2d045be4b5cf..1e8b9514718b 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -5150,8 +5150,10 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
{
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
- int result;
- memset(buffer, 0, nv_get_sset_count(dev, ETH_SS_TEST)*sizeof(u64));
+ int result, count;
+
+ count = nv_get_sset_count(dev, ETH_SS_TEST);
+ memset(buffer, 0, count * sizeof(u64));
if (!nv_link_test(dev)) {
test->flags |= ETH_TEST_FL_FAILED;
@@ -5195,7 +5197,7 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
return;
}
- if (!nv_loopback_test(dev)) {
+ if (count > NV_TEST_COUNT_BASE && !nv_loopback_test(dev)) {
test->flags |= ETH_TEST_FL_FAILED;
buffer[3] = 1;
}
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
index 7692dfd4f262..cc68657f0536 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
@@ -1604,13 +1604,13 @@ netxen_process_lro(struct netxen_adapter *adapter,
u32 seq_number;
u8 vhdr_len = 0;
- if (unlikely(ring > adapter->max_rds_rings))
+ if (unlikely(ring >= adapter->max_rds_rings))
return NULL;
rds_ring = &recv_ctx->rds_rings[ring];
index = netxen_get_lro_sts_refhandle(sts_data0);
- if (unlikely(index > rds_ring->num_desc))
+ if (unlikely(index >= rds_ring->num_desc))
return NULL;
buffer = &rds_ring->rx_buf_arr[index];
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 631ea0ac1cd8..f2a7c7166e24 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -487,6 +487,7 @@ struct qlcnic_hardware_context {
struct qlcnic_mailbox *mailbox;
u8 extend_lb_time;
u8 phys_port_id[ETH_ALEN];
+ u8 lb_mode;
};
struct qlcnic_adapter_stats {
@@ -578,6 +579,8 @@ struct qlcnic_host_tx_ring {
dma_addr_t phys_addr;
dma_addr_t hw_cons_phys_addr;
struct netdev_queue *txq;
+ /* Lock to protect Tx descriptors cleanup */
+ spinlock_t tx_clean_lock;
} ____cacheline_internodealigned_in_smp;
/*
@@ -808,6 +811,7 @@ struct qlcnic_mac_list_s {
#define QLCNIC_ILB_MODE 0x1
#define QLCNIC_ELB_MODE 0x2
+#define QLCNIC_LB_MODE_MASK 0x3
#define QLCNIC_LINKEVENT 0x1
#define QLCNIC_LB_RESPONSE 0x2
@@ -1093,7 +1097,6 @@ struct qlcnic_adapter {
struct qlcnic_filter_hash rx_fhash;
struct list_head vf_mc_list;
- spinlock_t tx_clean_lock;
spinlock_t mac_learn_lock;
/* spinlock for catching rcv filters for eswitch traffic */
spinlock_t rx_mac_learn_lock;
@@ -1708,6 +1711,7 @@ int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *);
void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *);
void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx);
void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx);
+void qlcnic_update_stats(struct qlcnic_adapter *);
/* Adapter hardware abstraction */
struct qlcnic_hardware_ops {
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index b1cb0ffb15c7..f776f99f7915 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -447,8 +447,9 @@ irqreturn_t qlcnic_83xx_intr(int irq, void *data)
qlcnic_83xx_poll_process_aen(adapter);
- if (ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
- ahw->diag_cnt++;
+ if (ahw->diag_test) {
+ if (ahw->diag_test == QLCNIC_INTERRUPT_TEST)
+ ahw->diag_cnt++;
qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
return IRQ_HANDLED;
}
@@ -1345,11 +1346,6 @@ static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test,
}
if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
- /* disable and free mailbox interrupt */
- if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
- qlcnic_83xx_enable_mbx_poll(adapter);
- qlcnic_83xx_free_mbx_intr(adapter);
- }
adapter->ahw->loopback_state = 0;
adapter->ahw->hw_ops->setup_link_event(adapter, 1);
}
@@ -1363,33 +1359,20 @@ static void qlcnic_83xx_diag_free_res(struct net_device *netdev,
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_host_sds_ring *sds_ring;
- int ring, err;
+ int ring;
clear_bit(__QLCNIC_DEV_UP, &adapter->state);
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &adapter->recv_ctx->sds_rings[ring];
- qlcnic_83xx_disable_intr(adapter, sds_ring);
- if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
- qlcnic_83xx_enable_mbx_poll(adapter);
+ if (adapter->flags & QLCNIC_MSIX_ENABLED)
+ qlcnic_83xx_disable_intr(adapter, sds_ring);
}
}
qlcnic_fw_destroy_ctx(adapter);
qlcnic_detach(adapter);
- if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
- if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
- err = qlcnic_83xx_setup_mbx_intr(adapter);
- qlcnic_83xx_disable_mbx_poll(adapter);
- if (err) {
- dev_err(&adapter->pdev->dev,
- "%s: failed to setup mbx interrupt\n",
- __func__);
- goto out;
- }
- }
- }
adapter->ahw->diag_test = 0;
adapter->drv_sds_rings = drv_sds_rings;
@@ -1399,9 +1382,6 @@ static void qlcnic_83xx_diag_free_res(struct net_device *netdev,
if (netif_running(netdev))
__qlcnic_up(adapter, netdev);
- if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST &&
- !(adapter->flags & QLCNIC_MSIX_ENABLED))
- qlcnic_83xx_disable_mbx_poll(adapter);
out:
netif_device_attach(netdev);
}
@@ -1704,12 +1684,6 @@ int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
}
} while ((adapter->ahw->linkup && ahw->has_link_events) != 1);
- /* Make sure carrier is off and queue is stopped during loopback */
- if (netif_running(netdev)) {
- netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
- }
-
ret = qlcnic_do_lb_test(adapter, mode);
qlcnic_83xx_clear_lb_mode(adapter, mode);
@@ -2141,6 +2115,7 @@ static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
ahw->link_autoneg = MSB(MSW(data[3]));
ahw->module_type = MSB(LSW(data[3]));
ahw->has_link_events = 1;
+ ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK;
qlcnic_advert_link_change(adapter, link_status);
}
@@ -3754,6 +3729,19 @@ static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter,
return;
}
+static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter)
+{
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+ u32 offset;
+
+ offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
+ dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x",
+ readl(ahw->pci_base0 + offset),
+ QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL),
+ QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL),
+ QLCRDX(ahw, QLCNIC_FW_MBX_CTRL));
+}
+
static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
{
struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox,
@@ -3798,6 +3786,8 @@ static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
__func__, cmd->cmd_op, cmd->type, ahw->pci_func,
ahw->op_mode);
clear_bit(QLC_83XX_MBX_READY, &mbx->status);
+ qlcnic_dump_mailbox_registers(adapter);
+ qlcnic_83xx_get_mbx_data(adapter, cmd);
qlcnic_dump_mbx(adapter, cmd);
qlcnic_83xx_idc_request_reset(adapter,
QLCNIC_FORCE_FW_DUMP_KEY);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
index 4cae6caa6bfa..a6a33508e401 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
@@ -662,4 +662,5 @@ pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *,
pci_channel_state_t);
pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *);
void qlcnic_83xx_io_resume(struct pci_dev *);
+void qlcnic_83xx_stop_hw(struct qlcnic_adapter *);
#endif
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index 89208e5b25d6..918e18ddf038 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -740,6 +740,7 @@ static int qlcnic_83xx_idc_unknown_state(struct qlcnic_adapter *adapter)
adapter->ahw->idc.err_code = -EIO;
dev_err(&adapter->pdev->dev,
"%s: Device in unknown state\n", __func__);
+ clear_bit(__QLCNIC_RESETTING, &adapter->state);
return 0;
}
@@ -818,7 +819,6 @@ static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter)
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_mailbox *mbx = ahw->mailbox;
int ret = 0;
- u32 owner;
u32 val;
/* Perform NIC configuration based ready state entry actions */
@@ -848,9 +848,9 @@ static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter)
set_bit(__QLCNIC_RESETTING, &adapter->state);
qlcnic_83xx_idc_enter_need_reset_state(adapter, 1);
} else {
- owner = qlcnic_83xx_idc_find_reset_owner_id(adapter);
- if (ahw->pci_func == owner)
- qlcnic_dump_fw(adapter);
+ netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
+ __func__);
+ qlcnic_83xx_idc_enter_failed_state(adapter, 1);
}
return -EIO;
}
@@ -948,13 +948,26 @@ static int qlcnic_83xx_idc_need_quiesce_state(struct qlcnic_adapter *adapter)
return 0;
}
-static int qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter)
+static void qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter)
{
- dev_err(&adapter->pdev->dev, "%s: please restart!!\n", __func__);
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+ u32 val, owner;
+
+ val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
+ if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
+ owner = qlcnic_83xx_idc_find_reset_owner_id(adapter);
+ if (ahw->pci_func == owner) {
+ qlcnic_83xx_stop_hw(adapter);
+ qlcnic_dump_fw(adapter);
+ }
+ }
+
+ netdev_warn(adapter->netdev, "%s: Reboot will be required to recover the adapter!!\n",
+ __func__);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
- adapter->ahw->idc.err_code = -EIO;
+ ahw->idc.err_code = -EIO;
- return 0;
+ return;
}
static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter)
@@ -1063,12 +1076,6 @@ void qlcnic_83xx_idc_poll_dev_state(struct work_struct *work)
adapter->ahw->idc.prev_state = adapter->ahw->idc.curr_state;
qlcnic_83xx_periodic_tasks(adapter);
- /* Do not reschedule if firmaware is in hanged state and auto
- * recovery is disabled
- */
- if ((adapter->flags & QLCNIC_FW_HANG) && !qlcnic_auto_fw_reset)
- return;
-
/* Re-schedule the function */
if (test_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status))
qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state,
@@ -1219,10 +1226,10 @@ void qlcnic_83xx_idc_request_reset(struct qlcnic_adapter *adapter, u32 key)
}
val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
- if ((val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) ||
- !qlcnic_auto_fw_reset) {
- dev_err(&adapter->pdev->dev,
- "%s:failed, device in non reset mode\n", __func__);
+ if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
+ netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
+ __func__);
+ qlcnic_83xx_idc_enter_failed_state(adapter, 0);
qlcnic_83xx_unlock_driver(adapter);
return;
}
@@ -1254,24 +1261,24 @@ static int qlcnic_83xx_copy_bootloader(struct qlcnic_adapter *adapter)
if (size & 0xF)
size = (size + 16) & ~0xF;
- p_cache = kzalloc(size, GFP_KERNEL);
+ p_cache = vzalloc(size);
if (p_cache == NULL)
return -ENOMEM;
ret = qlcnic_83xx_lockless_flash_read32(adapter, src, p_cache,
size / sizeof(u32));
if (ret) {
- kfree(p_cache);
+ vfree(p_cache);
return ret;
}
/* 16 byte write to MS memory */
ret = qlcnic_83xx_ms_mem_write128(adapter, dest, (u32 *)p_cache,
size / 16);
if (ret) {
- kfree(p_cache);
+ vfree(p_cache);
return ret;
}
- kfree(p_cache);
+ vfree(p_cache);
return ret;
}
@@ -1939,7 +1946,7 @@ static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev,
p_dev->ahw->reset.seq_index = index;
}
-static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev)
+void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev)
{
p_dev->ahw->reset.seq_index = 0;
@@ -1994,6 +2001,14 @@ static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter)
val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
if (!(val & QLC_83XX_IDC_GRACEFULL_RESET))
qlcnic_dump_fw(adapter);
+
+ if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
+ netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
+ __func__);
+ qlcnic_83xx_idc_enter_failed_state(adapter, 1);
+ return err;
+ }
+
qlcnic_83xx_init_hw(adapter);
if (qlcnic_83xx_copy_bootloader(adapter))
@@ -2073,8 +2088,8 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter)
ahw->nic_mode = QLCNIC_DEFAULT_MODE;
adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver;
ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
- adapter->max_sds_rings = ahw->max_rx_ques;
- adapter->max_tx_rings = ahw->max_tx_ques;
+ adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
+ adapter->max_tx_rings = QLCNIC_MAX_TX_RINGS;
} else {
return -EIO;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
index b36c02fafcfd..6b08194aa0d4 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
@@ -167,27 +167,35 @@ static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
#define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test)
-static inline int qlcnic_82xx_statistics(void)
+static inline int qlcnic_82xx_statistics(struct qlcnic_adapter *adapter)
{
- return ARRAY_SIZE(qlcnic_device_gstrings_stats) +
- ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
+ return ARRAY_SIZE(qlcnic_gstrings_stats) +
+ ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
+ QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
}
-static inline int qlcnic_83xx_statistics(void)
+static inline int qlcnic_83xx_statistics(struct qlcnic_adapter *adapter)
{
- return ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) +
+ return ARRAY_SIZE(qlcnic_gstrings_stats) +
+ ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) +
ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
- ARRAY_SIZE(qlcnic_83xx_rx_stats_strings);
+ ARRAY_SIZE(qlcnic_83xx_rx_stats_strings) +
+ QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
}
static int qlcnic_dev_statistics_len(struct qlcnic_adapter *adapter)
{
- if (qlcnic_82xx_check(adapter))
- return qlcnic_82xx_statistics();
- else if (qlcnic_83xx_check(adapter))
- return qlcnic_83xx_statistics();
- else
- return -1;
+ int len = -1;
+
+ if (qlcnic_82xx_check(adapter)) {
+ len = qlcnic_82xx_statistics(adapter);
+ if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
+ len += ARRAY_SIZE(qlcnic_device_gstrings_stats);
+ } else if (qlcnic_83xx_check(adapter)) {
+ len = qlcnic_83xx_statistics(adapter);
+ }
+
+ return len;
}
#define QLCNIC_TX_INTR_NOT_CONFIGURED 0X78563412
@@ -667,30 +675,25 @@ qlcnic_set_ringparam(struct net_device *dev,
static int qlcnic_validate_ring_count(struct qlcnic_adapter *adapter,
u8 rx_ring, u8 tx_ring)
{
+ if (rx_ring == 0 || tx_ring == 0)
+ return -EINVAL;
+
if (rx_ring != 0) {
if (rx_ring > adapter->max_sds_rings) {
- netdev_err(adapter->netdev, "Invalid ring count, SDS ring count %d should not be greater than max %d driver sds rings.\n",
+ netdev_err(adapter->netdev,
+ "Invalid ring count, SDS ring count %d should not be greater than max %d driver sds rings.\n",
rx_ring, adapter->max_sds_rings);
return -EINVAL;
}
}
if (tx_ring != 0) {
- if (qlcnic_82xx_check(adapter) &&
- (tx_ring > adapter->max_tx_rings)) {
+ if (tx_ring > adapter->max_tx_rings) {
netdev_err(adapter->netdev,
"Invalid ring count, Tx ring count %d should not be greater than max %d driver Tx rings.\n",
tx_ring, adapter->max_tx_rings);
return -EINVAL;
}
-
- if (qlcnic_83xx_check(adapter) &&
- (tx_ring > QLCNIC_SINGLE_RING)) {
- netdev_err(adapter->netdev,
- "Invalid ring count, Tx ring count %d should not be greater than %d driver Tx rings.\n",
- tx_ring, QLCNIC_SINGLE_RING);
- return -EINVAL;
- }
}
return 0;
@@ -925,18 +928,13 @@ static int qlcnic_eeprom_test(struct net_device *dev)
static int qlcnic_get_sset_count(struct net_device *dev, int sset)
{
- int len;
struct qlcnic_adapter *adapter = netdev_priv(dev);
switch (sset) {
case ETH_SS_TEST:
return QLCNIC_TEST_LEN;
case ETH_SS_STATS:
- len = qlcnic_dev_statistics_len(adapter) + QLCNIC_STATS_LEN;
- if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
- qlcnic_83xx_check(adapter))
- return len;
- return qlcnic_82xx_statistics();
+ return qlcnic_dev_statistics_len(adapter);
default:
return -EOPNOTSUPP;
}
@@ -948,6 +946,7 @@ static int qlcnic_irq_test(struct net_device *netdev)
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_cmd_args cmd;
int ret, drv_sds_rings = adapter->drv_sds_rings;
+ int drv_tx_rings = adapter->drv_tx_rings;
if (qlcnic_83xx_check(adapter))
return qlcnic_83xx_interrupt_test(netdev);
@@ -980,6 +979,7 @@ free_diag_res:
clear_diag_irq:
adapter->drv_sds_rings = drv_sds_rings;
+ adapter->drv_tx_rings = drv_tx_rings;
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return ret;
@@ -1270,7 +1270,7 @@ static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type)
return data;
}
-static void qlcnic_update_stats(struct qlcnic_adapter *adapter)
+void qlcnic_update_stats(struct qlcnic_adapter *adapter)
{
struct qlcnic_host_tx_ring *tx_ring;
int ring;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c
index e9c21e5d0ca9..c4262c23ed7c 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c
@@ -134,6 +134,8 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter,
struct qlcnic_skb_frag *buffrag;
int i, j;
+ spin_lock(&tx_ring->tx_clean_lock);
+
cmd_buf = tx_ring->cmd_buf_arr;
for (i = 0; i < tx_ring->num_desc; i++) {
buffrag = cmd_buf->frag_array;
@@ -157,6 +159,8 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter,
}
cmd_buf++;
}
+
+ spin_unlock(&tx_ring->tx_clean_lock);
}
void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 0149c9495347..ad1531ae3aa8 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -687,17 +687,15 @@ void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
if (adapter->ahw->linkup && !linkup) {
netdev_info(netdev, "NIC Link is down\n");
adapter->ahw->linkup = 0;
- if (netif_running(netdev)) {
- netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
- }
+ netif_carrier_off(netdev);
} else if (!adapter->ahw->linkup && linkup) {
+ /* Do not advertise Link up if the port is in loopback mode */
+ if (qlcnic_83xx_check(adapter) && adapter->ahw->lb_mode)
+ return;
+
netdev_info(netdev, "NIC Link is up\n");
adapter->ahw->linkup = 1;
- if (netif_running(netdev)) {
- netif_carrier_on(netdev);
- netif_wake_queue(netdev);
- }
+ netif_carrier_on(netdev);
}
}
@@ -784,7 +782,7 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter,
struct net_device *netdev = adapter->netdev;
struct qlcnic_skb_frag *frag;
- if (!spin_trylock(&adapter->tx_clean_lock))
+ if (!spin_trylock(&tx_ring->tx_clean_lock))
return 1;
sw_consumer = tx_ring->sw_consumer;
@@ -813,8 +811,9 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter,
break;
}
+ tx_ring->sw_consumer = sw_consumer;
+
if (count && netif_running(netdev)) {
- tx_ring->sw_consumer = sw_consumer;
smp_mb();
if (netif_tx_queue_stopped(tx_ring->txq) &&
netif_carrier_ok(netdev)) {
@@ -840,7 +839,8 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter,
*/
hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
done = (sw_consumer == hw_consumer);
- spin_unlock(&adapter->tx_clean_lock);
+
+ spin_unlock(&tx_ring->tx_clean_lock);
return done;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 05c1eef8df13..550791b8fbae 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -1178,6 +1178,7 @@ qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
} else {
adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
+ adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
}
@@ -1755,7 +1756,6 @@ void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
if (qlcnic_sriov_vf_check(adapter))
qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
smp_mb();
- spin_lock(&adapter->tx_clean_lock);
netif_carrier_off(netdev);
adapter->ahw->linkup = 0;
netif_tx_disable(netdev);
@@ -1776,7 +1776,6 @@ void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
for (ring = 0; ring < adapter->drv_tx_rings; ring++)
qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
- spin_unlock(&adapter->tx_clean_lock);
}
/* Usage: During suspend and firmware recovery module */
@@ -1940,7 +1939,6 @@ int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
qlcnic_detach(adapter);
adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
- adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
adapter->ahw->diag_test = test;
adapter->ahw->linkup = 0;
@@ -2172,6 +2170,7 @@ int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
}
memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
tx_ring->cmd_buf_arr = cmd_buf_arr;
+ spin_lock_init(&tx_ring->tx_clean_lock);
}
if (qlcnic_83xx_check(adapter) ||
@@ -2299,7 +2298,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
rwlock_init(&adapter->ahw->crb_lock);
mutex_init(&adapter->ahw->mem_lock);
- spin_lock_init(&adapter->tx_clean_lock);
INIT_LIST_HEAD(&adapter->mac_list);
qlcnic_register_dcb(adapter);
@@ -2782,6 +2780,9 @@ static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct net_device_stats *stats = &netdev->stats;
+ if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
+ qlcnic_update_stats(adapter);
+
stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
stats->tx_packets = adapter->stats.xmitfinished;
stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
index 686f460b1502..024f8161d2fe 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
@@ -75,7 +75,6 @@ static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
num_vfs = sriov->num_vfs;
max = num_vfs + 1;
info->bit_offsets = 0xffff;
- info->max_tx_ques = res->num_tx_queues / max;
info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters;
num_vf_macs = QLCNIC_SRIOV_VF_MAX_MAC;
@@ -86,6 +85,7 @@ static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
info->max_tx_mac_filters = temp;
info->min_tx_bw = 0;
info->max_tx_bw = MAX_BW;
+ info->max_tx_ques = res->num_tx_queues - sriov->num_vfs;
} else {
id = qlcnic_sriov_func_to_index(adapter, func);
if (id < 0)
@@ -95,6 +95,7 @@ static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
info->max_tx_bw = vp->max_tx_bw;
info->max_rx_ucast_mac_filters = num_vf_macs;
info->max_tx_mac_filters = num_vf_macs;
+ info->max_tx_ques = QLCNIC_SINGLE_RING;
}
info->max_rx_ip_addr = res->num_destip / max;
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h
index 0c9c4e895595..03517478e589 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge.h
+++ b/drivers/net/ethernet/qlogic/qlge/qlge.h
@@ -18,7 +18,7 @@
*/
#define DRV_NAME "qlge"
#define DRV_STRING "QLogic 10 Gigabit PCI-E Ethernet Driver "
-#define DRV_VERSION "1.00.00.33"
+#define DRV_VERSION "1.00.00.34"
#define WQ_ADDR_ALIGN 0x3 /* 4 byte alignment */
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
index 0780e039b271..8dee1beb9854 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c
@@ -181,6 +181,7 @@ static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
};
#define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
#define QLGE_STATS_LEN ARRAY_SIZE(ql_gstrings_stats)
+#define QLGE_RCV_MAC_ERR_STATS 7
static int ql_update_ring_coalescing(struct ql_adapter *qdev)
{
@@ -280,6 +281,9 @@ static void ql_update_stats(struct ql_adapter *qdev)
iter++;
}
+ /* Update receive mac error statistics */
+ iter += QLGE_RCV_MAC_ERR_STATS;
+
/*
* Get Per-priority TX pause frame counter statistics.
*/
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index a245dc18d769..449f506d2e8f 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -2376,14 +2376,6 @@ static netdev_features_t qlge_fix_features(struct net_device *ndev,
netdev_features_t features)
{
int err;
- /*
- * Since there is no support for separate rx/tx vlan accel
- * enable/disable make sure tx flag is always in same state as rx.
- */
- if (features & NETIF_F_HW_VLAN_CTAG_RX)
- features |= NETIF_F_HW_VLAN_CTAG_TX;
- else
- features &= ~NETIF_F_HW_VLAN_CTAG_TX;
/* Update the behavior of vlan accel in the adapter */
err = qlge_update_hw_vlan_features(ndev, features);
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index f2a2128165dd..737c1a881f78 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -678,9 +678,6 @@ static void cp_tx (struct cp_private *cp)
le32_to_cpu(txd->opts1) & 0xffff,
PCI_DMA_TODEVICE);
- bytes_compl += skb->len;
- pkts_compl++;
-
if (status & LastFrag) {
if (status & (TxError | TxFIFOUnder)) {
netif_dbg(cp, tx_err, cp->dev,
@@ -702,6 +699,8 @@ static void cp_tx (struct cp_private *cp)
netif_dbg(cp, tx_done, cp->dev,
"tx done, slot %d\n", tx_tail);
}
+ bytes_compl += skb->len;
+ pkts_compl++;
dev_kfree_skb_irq(skb);
}
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 799387570766..c737f0ea5de7 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -3465,6 +3465,11 @@ static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
rtl_writephy(tp, 0x14, 0x9065);
rtl_writephy(tp, 0x14, 0x1065);
+ /* Check ALDPS bit, disable it if enabled */
+ rtl_writephy(tp, 0x1f, 0x0a43);
+ if (rtl_readphy(tp, 0x10) & 0x0004)
+ rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0004);
+
rtl_writephy(tp, 0x1f, 0x0000);
}
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 2e27837ce6a2..fd844b53e385 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -585,7 +585,7 @@ static void efx_start_datapath(struct efx_nic *efx)
EFX_MAX_FRAME_LEN(efx->net_dev->mtu) +
efx->type->rx_buffer_padding);
rx_buf_len = (sizeof(struct efx_rx_page_state) +
- NET_IP_ALIGN + efx->rx_dma_len);
+ efx->rx_ip_align + efx->rx_dma_len);
if (rx_buf_len <= PAGE_SIZE) {
efx->rx_scatter = efx->type->always_rx_scatter;
efx->rx_buffer_order = 0;
@@ -645,6 +645,8 @@ static void efx_start_datapath(struct efx_nic *efx)
WARN_ON(channel->rx_pkt_n_frags);
}
+ efx_ptp_start_datapath(efx);
+
if (netif_device_present(efx->net_dev))
netif_tx_wake_all_queues(efx->net_dev);
}
@@ -659,6 +661,8 @@ static void efx_stop_datapath(struct efx_nic *efx)
EFX_ASSERT_RESET_SERIALISED(efx);
BUG_ON(efx->port_enabled);
+ efx_ptp_stop_datapath(efx);
+
/* Stop RX refill */
efx_for_each_channel(channel, efx) {
efx_for_each_channel_rx_queue(rx_queue, channel)
@@ -2540,6 +2544,8 @@ static int efx_init_struct(struct efx_nic *efx,
efx->net_dev = net_dev;
efx->rx_prefix_size = efx->type->rx_prefix_size;
+ efx->rx_ip_align =
+ NET_IP_ALIGN ? (efx->rx_prefix_size + NET_IP_ALIGN) % 4 : 0;
efx->rx_packet_hash_offset =
efx->type->rx_hash_offset - efx->type->rx_prefix_size;
spin_lock_init(&efx->stats_lock);
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 366c8e3e3784..4b0bd8a1514d 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -50,6 +50,7 @@ struct efx_mcdi_async_param {
static void efx_mcdi_timeout_async(unsigned long context);
static int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,
bool *was_attached_out);
+static bool efx_mcdi_poll_once(struct efx_nic *efx);
static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx)
{
@@ -237,6 +238,21 @@ static void efx_mcdi_read_response_header(struct efx_nic *efx)
}
}
+static bool efx_mcdi_poll_once(struct efx_nic *efx)
+{
+ struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+
+ rmb();
+ if (!efx->type->mcdi_poll_response(efx))
+ return false;
+
+ spin_lock_bh(&mcdi->iface_lock);
+ efx_mcdi_read_response_header(efx);
+ spin_unlock_bh(&mcdi->iface_lock);
+
+ return true;
+}
+
static int efx_mcdi_poll(struct efx_nic *efx)
{
struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
@@ -272,18 +288,13 @@ static int efx_mcdi_poll(struct efx_nic *efx)
time = jiffies;
- rmb();
- if (efx->type->mcdi_poll_response(efx))
+ if (efx_mcdi_poll_once(efx))
break;
if (time_after(time, finish))
return -ETIMEDOUT;
}
- spin_lock_bh(&mcdi->iface_lock);
- efx_mcdi_read_response_header(efx);
- spin_unlock_bh(&mcdi->iface_lock);
-
/* Return rc=0 like wait_event_timeout() */
return 0;
}
@@ -619,6 +630,16 @@ int efx_mcdi_rpc_finish(struct efx_nic *efx, unsigned cmd, size_t inlen,
rc = efx_mcdi_await_completion(efx);
if (rc != 0) {
+ netif_err(efx, hw, efx->net_dev,
+ "MC command 0x%x inlen %d mode %d timed out\n",
+ cmd, (int)inlen, mcdi->mode);
+
+ if (mcdi->mode == MCDI_MODE_EVENTS && efx_mcdi_poll_once(efx)) {
+ netif_err(efx, hw, efx->net_dev,
+ "MCDI request was completed without an event\n");
+ rc = 0;
+ }
+
/* Close the race with efx_mcdi_ev_cpl() executing just too late
* and completing a request we've just cancelled, by ensuring
* that the seqno check therein fails.
@@ -627,11 +648,9 @@ int efx_mcdi_rpc_finish(struct efx_nic *efx, unsigned cmd, size_t inlen,
++mcdi->seqno;
++mcdi->credits;
spin_unlock_bh(&mcdi->iface_lock);
+ }
- netif_err(efx, hw, efx->net_dev,
- "MC command 0x%x inlen %d mode %d timed out\n",
- cmd, (int)inlen, mcdi->mode);
- } else {
+ if (rc == 0) {
size_t hdr_len, data_len;
/* At the very least we need a memory barrier here to ensure
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index 656a3277c2b2..15816cacb548 100644
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -75,6 +75,8 @@ struct efx_mcdi_mon {
unsigned long last_update;
struct device *device;
struct efx_mcdi_mon_attribute *attrs;
+ struct attribute_group group;
+ const struct attribute_group *groups[2];
unsigned int n_attrs;
};
diff --git a/drivers/net/ethernet/sfc/mcdi_mon.c b/drivers/net/ethernet/sfc/mcdi_mon.c
index 4cc5d95b2a5a..d72ad4fc3617 100644
--- a/drivers/net/ethernet/sfc/mcdi_mon.c
+++ b/drivers/net/ethernet/sfc/mcdi_mon.c
@@ -139,17 +139,10 @@ static int efx_mcdi_mon_update(struct efx_nic *efx)
return rc;
}
-static ssize_t efx_mcdi_mon_show_name(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "%s\n", KBUILD_MODNAME);
-}
-
static int efx_mcdi_mon_get_entry(struct device *dev, unsigned int index,
efx_dword_t *entry)
{
- struct efx_nic *efx = dev_get_drvdata(dev);
+ struct efx_nic *efx = dev_get_drvdata(dev->parent);
struct efx_mcdi_mon *hwmon = efx_mcdi_mon(efx);
int rc;
@@ -263,7 +256,7 @@ static ssize_t efx_mcdi_mon_show_label(struct device *dev,
efx_mcdi_sensor_type[mon_attr->type].label);
}
-static int
+static void
efx_mcdi_mon_add_attr(struct efx_nic *efx, const char *name,
ssize_t (*reader)(struct device *,
struct device_attribute *, char *),
@@ -272,7 +265,6 @@ efx_mcdi_mon_add_attr(struct efx_nic *efx, const char *name,
{
struct efx_mcdi_mon *hwmon = efx_mcdi_mon(efx);
struct efx_mcdi_mon_attribute *attr = &hwmon->attrs[hwmon->n_attrs];
- int rc;
strlcpy(attr->name, name, sizeof(attr->name));
attr->index = index;
@@ -286,10 +278,7 @@ efx_mcdi_mon_add_attr(struct efx_nic *efx, const char *name,
attr->dev_attr.attr.name = attr->name;
attr->dev_attr.attr.mode = S_IRUGO;
attr->dev_attr.show = reader;
- rc = device_create_file(&efx->pci_dev->dev, &attr->dev_attr);
- if (rc == 0)
- ++hwmon->n_attrs;
- return rc;
+ hwmon->group.attrs[hwmon->n_attrs++] = &attr->dev_attr.attr;
}
int efx_mcdi_mon_probe(struct efx_nic *efx)
@@ -338,26 +327,22 @@ int efx_mcdi_mon_probe(struct efx_nic *efx)
efx_mcdi_mon_update(efx);
/* Allocate space for the maximum possible number of
- * attributes for this set of sensors: name of the driver plus
+ * attributes for this set of sensors:
* value, min, max, crit, alarm and label for each sensor.
*/
- n_attrs = 1 + 6 * n_sensors;
+ n_attrs = 6 * n_sensors;
hwmon->attrs = kcalloc(n_attrs, sizeof(*hwmon->attrs), GFP_KERNEL);
if (!hwmon->attrs) {
rc = -ENOMEM;
goto fail;
}
-
- hwmon->device = hwmon_device_register(&efx->pci_dev->dev);
- if (IS_ERR(hwmon->device)) {
- rc = PTR_ERR(hwmon->device);
+ hwmon->group.attrs = kcalloc(n_attrs + 1, sizeof(struct attribute *),
+ GFP_KERNEL);
+ if (!hwmon->group.attrs) {
+ rc = -ENOMEM;
goto fail;
}
- rc = efx_mcdi_mon_add_attr(efx, "name", efx_mcdi_mon_show_name, 0, 0, 0);
- if (rc)
- goto fail;
-
for (i = 0, j = -1, type = -1; ; i++) {
enum efx_hwmon_type hwmon_type;
const char *hwmon_prefix;
@@ -372,7 +357,7 @@ int efx_mcdi_mon_probe(struct efx_nic *efx)
page = type / 32;
j = -1;
if (page == n_pages)
- return 0;
+ goto hwmon_register;
MCDI_SET_DWORD(inbuf, SENSOR_INFO_EXT_IN_PAGE,
page);
@@ -453,28 +438,22 @@ int efx_mcdi_mon_probe(struct efx_nic *efx)
if (min1 != max1) {
snprintf(name, sizeof(name), "%s%u_input",
hwmon_prefix, hwmon_index);
- rc = efx_mcdi_mon_add_attr(
+ efx_mcdi_mon_add_attr(
efx, name, efx_mcdi_mon_show_value, i, type, 0);
- if (rc)
- goto fail;
if (hwmon_type != EFX_HWMON_POWER) {
snprintf(name, sizeof(name), "%s%u_min",
hwmon_prefix, hwmon_index);
- rc = efx_mcdi_mon_add_attr(
+ efx_mcdi_mon_add_attr(
efx, name, efx_mcdi_mon_show_limit,
i, type, min1);
- if (rc)
- goto fail;
}
snprintf(name, sizeof(name), "%s%u_max",
hwmon_prefix, hwmon_index);
- rc = efx_mcdi_mon_add_attr(
+ efx_mcdi_mon_add_attr(
efx, name, efx_mcdi_mon_show_limit,
i, type, max1);
- if (rc)
- goto fail;
if (min2 != max2) {
/* Assume max2 is critical value.
@@ -482,32 +461,38 @@ int efx_mcdi_mon_probe(struct efx_nic *efx)
*/
snprintf(name, sizeof(name), "%s%u_crit",
hwmon_prefix, hwmon_index);
- rc = efx_mcdi_mon_add_attr(
+ efx_mcdi_mon_add_attr(
efx, name, efx_mcdi_mon_show_limit,
i, type, max2);
- if (rc)
- goto fail;
}
}
snprintf(name, sizeof(name), "%s%u_alarm",
hwmon_prefix, hwmon_index);
- rc = efx_mcdi_mon_add_attr(
+ efx_mcdi_mon_add_attr(
efx, name, efx_mcdi_mon_show_alarm, i, type, 0);
- if (rc)
- goto fail;
if (type < ARRAY_SIZE(efx_mcdi_sensor_type) &&
efx_mcdi_sensor_type[type].label) {
snprintf(name, sizeof(name), "%s%u_label",
hwmon_prefix, hwmon_index);
- rc = efx_mcdi_mon_add_attr(
+ efx_mcdi_mon_add_attr(
efx, name, efx_mcdi_mon_show_label, i, type, 0);
- if (rc)
- goto fail;
}
}
+hwmon_register:
+ hwmon->groups[0] = &hwmon->group;
+ hwmon->device = hwmon_device_register_with_groups(&efx->pci_dev->dev,
+ KBUILD_MODNAME, NULL,
+ hwmon->groups);
+ if (IS_ERR(hwmon->device)) {
+ rc = PTR_ERR(hwmon->device);
+ goto fail;
+ }
+
+ return 0;
+
fail:
efx_mcdi_mon_remove(efx);
return rc;
@@ -516,14 +501,11 @@ fail:
void efx_mcdi_mon_remove(struct efx_nic *efx)
{
struct efx_mcdi_mon *hwmon = efx_mcdi_mon(efx);
- unsigned int i;
- for (i = 0; i < hwmon->n_attrs; i++)
- device_remove_file(&efx->pci_dev->dev,
- &hwmon->attrs[i].dev_attr);
- kfree(hwmon->attrs);
if (hwmon->device)
hwmon_device_unregister(hwmon->device);
+ kfree(hwmon->attrs);
+ kfree(hwmon->group.attrs);
efx_nic_free_buffer(efx, &hwmon->dma_buf);
}
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index b14a717ac3e8..542a0d252ae0 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -683,6 +683,8 @@ struct vfdi_status;
* @n_channels: Number of channels in use
* @n_rx_channels: Number of channels used for RX (= number of RX queues)
* @n_tx_channels: Number of channels used for TX
+ * @rx_ip_align: RX DMA address offset to have IP header aligned in
+ * in accordance with NET_IP_ALIGN
* @rx_dma_len: Current maximum RX DMA length
* @rx_buffer_order: Order (log2) of number of pages for each RX buffer
* @rx_buffer_truesize: Amortised allocation size of an RX buffer,
@@ -816,6 +818,7 @@ struct efx_nic {
unsigned rss_spread;
unsigned tx_channel_offset;
unsigned n_tx_channels;
+ unsigned int rx_ip_align;
unsigned int rx_dma_len;
unsigned int rx_buffer_order;
unsigned int rx_buffer_truesize;
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index 11b6112d9249..91c63ec79c5f 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -560,6 +560,8 @@ void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info);
bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
+void efx_ptp_start_datapath(struct efx_nic *efx);
+void efx_ptp_stop_datapath(struct efx_nic *efx);
extern const struct efx_nic_type falcon_a1_nic_type;
extern const struct efx_nic_type falcon_b0_nic_type;
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 03acf57df045..3dd39dcfe36b 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -220,6 +220,7 @@ struct efx_ptp_timeset {
* @evt_list: List of MC receive events awaiting packets
* @evt_free_list: List of free events
* @evt_lock: Lock for manipulating evt_list and evt_free_list
+ * @evt_overflow: Boolean indicating that event list has overflowed
* @rx_evts: Instantiated events (on evt_list and evt_free_list)
* @workwq: Work queue for processing pending PTP operations
* @work: Work task
@@ -270,6 +271,7 @@ struct efx_ptp_data {
struct list_head evt_list;
struct list_head evt_free_list;
spinlock_t evt_lock;
+ bool evt_overflow;
struct efx_ptp_event_rx rx_evts[MAX_RECEIVE_EVENTS];
struct workqueue_struct *workwq;
struct work_struct work;
@@ -635,6 +637,11 @@ static void efx_ptp_drop_time_expired_events(struct efx_nic *efx)
}
}
}
+ /* If the event overflow flag is set and the event list is now empty
+ * clear the flag to re-enable the overflow warning message.
+ */
+ if (ptp->evt_overflow && list_empty(&ptp->evt_list))
+ ptp->evt_overflow = false;
spin_unlock_bh(&ptp->evt_lock);
}
@@ -676,6 +683,11 @@ static enum ptp_packet_state efx_ptp_match_rx(struct efx_nic *efx,
break;
}
}
+ /* If the event overflow flag is set and the event list is now empty
+ * clear the flag to re-enable the overflow warning message.
+ */
+ if (ptp->evt_overflow && list_empty(&ptp->evt_list))
+ ptp->evt_overflow = false;
spin_unlock_bh(&ptp->evt_lock);
return rc;
@@ -705,8 +717,9 @@ static bool efx_ptp_process_events(struct efx_nic *efx, struct sk_buff_head *q)
__skb_queue_tail(q, skb);
} else if (time_after(jiffies, match->expiry)) {
match->state = PTP_PACKET_STATE_TIMED_OUT;
- netif_warn(efx, rx_err, efx->net_dev,
- "PTP packet - no timestamp seen\n");
+ if (net_ratelimit())
+ netif_warn(efx, rx_err, efx->net_dev,
+ "PTP packet - no timestamp seen\n");
__skb_queue_tail(q, skb);
} else {
/* Replace unprocessed entry and stop */
@@ -788,9 +801,14 @@ fail:
static int efx_ptp_stop(struct efx_nic *efx)
{
struct efx_ptp_data *ptp = efx->ptp_data;
- int rc = efx_ptp_disable(efx);
struct list_head *cursor;
struct list_head *next;
+ int rc;
+
+ if (ptp == NULL)
+ return 0;
+
+ rc = efx_ptp_disable(efx);
if (ptp->rxfilter_installed) {
efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_REQUIRED,
@@ -809,11 +827,19 @@ static int efx_ptp_stop(struct efx_nic *efx)
list_for_each_safe(cursor, next, &efx->ptp_data->evt_list) {
list_move(cursor, &efx->ptp_data->evt_free_list);
}
+ ptp->evt_overflow = false;
spin_unlock_bh(&efx->ptp_data->evt_lock);
return rc;
}
+static int efx_ptp_restart(struct efx_nic *efx)
+{
+ if (efx->ptp_data && efx->ptp_data->enabled)
+ return efx_ptp_start(efx);
+ return 0;
+}
+
static void efx_ptp_pps_worker(struct work_struct *work)
{
struct efx_ptp_data *ptp =
@@ -901,6 +927,7 @@ static int efx_ptp_probe_channel(struct efx_channel *channel)
spin_lock_init(&ptp->evt_lock);
for (pos = 0; pos < MAX_RECEIVE_EVENTS; pos++)
list_add(&ptp->rx_evts[pos].link, &ptp->evt_free_list);
+ ptp->evt_overflow = false;
ptp->phc_clock_info.owner = THIS_MODULE;
snprintf(ptp->phc_clock_info.name,
@@ -989,7 +1016,11 @@ bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb)
skb->len >= PTP_MIN_LENGTH &&
skb->len <= MC_CMD_PTP_IN_TRANSMIT_PACKET_MAXNUM &&
likely(skb->protocol == htons(ETH_P_IP)) &&
+ skb_transport_header_was_set(skb) &&
+ skb_network_header_len(skb) >= sizeof(struct iphdr) &&
ip_hdr(skb)->protocol == IPPROTO_UDP &&
+ skb_headlen(skb) >=
+ skb_transport_offset(skb) + sizeof(struct udphdr) &&
udp_hdr(skb)->dest == htons(PTP_EVENT_PORT);
}
@@ -1106,7 +1137,7 @@ static int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
{
if ((enable_wanted != efx->ptp_data->enabled) ||
(enable_wanted && (efx->ptp_data->mode != new_mode))) {
- int rc;
+ int rc = 0;
if (enable_wanted) {
/* Change of mode requires disable */
@@ -1123,7 +1154,8 @@ static int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
* succeed.
*/
efx->ptp_data->mode = new_mode;
- rc = efx_ptp_start(efx);
+ if (netif_running(efx->net_dev))
+ rc = efx_ptp_start(efx);
if (rc == 0) {
rc = efx_ptp_synchronize(efx,
PTP_SYNC_ATTEMPTS * 2);
@@ -1295,8 +1327,13 @@ static void ptp_event_rx(struct efx_nic *efx, struct efx_ptp_data *ptp)
list_add_tail(&evt->link, &ptp->evt_list);
queue_work(ptp->workwq, &ptp->work);
- } else {
- netif_err(efx, rx_err, efx->net_dev, "No free PTP event");
+ } else if (!ptp->evt_overflow) {
+ /* Log a warning message and set the event overflow flag.
+ * The message won't be logged again until the event queue
+ * becomes empty.
+ */
+ netif_err(efx, rx_err, efx->net_dev, "PTP event queue overflow\n");
+ ptp->evt_overflow = true;
}
spin_unlock_bh(&ptp->evt_lock);
}
@@ -1389,7 +1426,7 @@ static int efx_phc_adjfreq(struct ptp_clock_info *ptp, s32 delta)
if (rc != 0)
return rc;
- ptp_data->current_adjfreq = delta;
+ ptp_data->current_adjfreq = adjustment_ns;
return 0;
}
@@ -1404,7 +1441,7 @@ static int efx_phc_adjtime(struct ptp_clock_info *ptp, s64 delta)
MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_ADJUST);
MCDI_SET_DWORD(inbuf, PTP_IN_PERIPH_ID, 0);
- MCDI_SET_QWORD(inbuf, PTP_IN_ADJUST_FREQ, 0);
+ MCDI_SET_QWORD(inbuf, PTP_IN_ADJUST_FREQ, ptp_data->current_adjfreq);
MCDI_SET_DWORD(inbuf, PTP_IN_ADJUST_SECONDS, (u32)delta_ts.tv_sec);
MCDI_SET_DWORD(inbuf, PTP_IN_ADJUST_NANOSECONDS, (u32)delta_ts.tv_nsec);
return efx_mcdi_rpc(efx, MC_CMD_PTP, inbuf, sizeof(inbuf),
@@ -1491,3 +1528,14 @@ void efx_ptp_probe(struct efx_nic *efx)
efx->extra_channel_type[EFX_EXTRA_CHANNEL_PTP] =
&efx_ptp_channel_type;
}
+
+void efx_ptp_start_datapath(struct efx_nic *efx)
+{
+ if (efx_ptp_restart(efx))
+ netif_err(efx, drv, efx->net_dev, "Failed to restart PTP.\n");
+}
+
+void efx_ptp_stop_datapath(struct efx_nic *efx)
+{
+ efx_ptp_stop(efx);
+}
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 8f09e686fc23..42488df1f4ec 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -94,7 +94,7 @@ static inline void efx_sync_rx_buffer(struct efx_nic *efx,
void efx_rx_config_page_split(struct efx_nic *efx)
{
- efx->rx_page_buf_step = ALIGN(efx->rx_dma_len + NET_IP_ALIGN,
+ efx->rx_page_buf_step = ALIGN(efx->rx_dma_len + efx->rx_ip_align,
EFX_RX_BUF_ALIGNMENT);
efx->rx_bufs_per_page = efx->rx_buffer_order ? 1 :
((PAGE_SIZE - sizeof(struct efx_rx_page_state)) /
@@ -189,9 +189,9 @@ static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue)
do {
index = rx_queue->added_count & rx_queue->ptr_mask;
rx_buf = efx_rx_buffer(rx_queue, index);
- rx_buf->dma_addr = dma_addr + NET_IP_ALIGN;
+ rx_buf->dma_addr = dma_addr + efx->rx_ip_align;
rx_buf->page = page;
- rx_buf->page_offset = page_offset + NET_IP_ALIGN;
+ rx_buf->page_offset = page_offset + efx->rx_ip_align;
rx_buf->len = efx->rx_dma_len;
rx_buf->flags = 0;
++rx_queue->added_count;
diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c
index 0c9b5d94154f..8bf29eb4a5a0 100644
--- a/drivers/net/ethernet/smsc/smc91x.c
+++ b/drivers/net/ethernet/smsc/smc91x.c
@@ -82,6 +82,7 @@ static const char version[] =
#include <linux/mii.h>
#include <linux/workqueue.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@@ -2184,6 +2185,15 @@ static void smc_release_datacs(struct platform_device *pdev, struct net_device *
}
}
+#if IS_BUILTIN(CONFIG_OF)
+static const struct of_device_id smc91x_match[] = {
+ { .compatible = "smsc,lan91c94", },
+ { .compatible = "smsc,lan91c111", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, smc91x_match);
+#endif
+
/*
* smc_init(void)
* Input parameters:
@@ -2198,6 +2208,7 @@ static void smc_release_datacs(struct platform_device *pdev, struct net_device *
static int smc_drv_probe(struct platform_device *pdev)
{
struct smc91x_platdata *pd = dev_get_platdata(&pdev->dev);
+ const struct of_device_id *match = NULL;
struct smc_local *lp;
struct net_device *ndev;
struct resource *res, *ires;
@@ -2217,11 +2228,34 @@ static int smc_drv_probe(struct platform_device *pdev)
*/
lp = netdev_priv(ndev);
+ lp->cfg.flags = 0;
if (pd) {
memcpy(&lp->cfg, pd, sizeof(lp->cfg));
lp->io_shift = SMC91X_IO_SHIFT(lp->cfg.flags);
- } else {
+ }
+
+#if IS_BUILTIN(CONFIG_OF)
+ match = of_match_device(of_match_ptr(smc91x_match), &pdev->dev);
+ if (match) {
+ struct device_node *np = pdev->dev.of_node;
+ u32 val;
+
+ /* Combination of IO widths supported, default to 16-bit */
+ if (!of_property_read_u32(np, "reg-io-width", &val)) {
+ if (val & 1)
+ lp->cfg.flags |= SMC91X_USE_8BIT;
+ if ((val == 0) || (val & 2))
+ lp->cfg.flags |= SMC91X_USE_16BIT;
+ if (val & 4)
+ lp->cfg.flags |= SMC91X_USE_32BIT;
+ } else {
+ lp->cfg.flags |= SMC91X_USE_16BIT;
+ }
+ }
+#endif
+
+ if (!pd && !match) {
lp->cfg.flags |= (SMC_CAN_USE_8BIT) ? SMC91X_USE_8BIT : 0;
lp->cfg.flags |= (SMC_CAN_USE_16BIT) ? SMC91X_USE_16BIT : 0;
lp->cfg.flags |= (SMC_CAN_USE_32BIT) ? SMC91X_USE_32BIT : 0;
@@ -2370,15 +2404,6 @@ static int smc_drv_resume(struct device *dev)
return 0;
}
-#ifdef CONFIG_OF
-static const struct of_device_id smc91x_match[] = {
- { .compatible = "smsc,lan91c94", },
- { .compatible = "smsc,lan91c111", },
- {},
-};
-MODULE_DEVICE_TABLE(of, smc91x_match);
-#endif
-
static struct dev_pm_ops smc_drv_pm_ops = {
.suspend = smc_drv_suspend,
.resume = smc_drv_resume,
diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h
index c9d4c872e81d..749654b976bc 100644
--- a/drivers/net/ethernet/smsc/smc91x.h
+++ b/drivers/net/ethernet/smsc/smc91x.h
@@ -46,7 +46,8 @@
defined(CONFIG_MACH_LITTLETON) ||\
defined(CONFIG_MACH_ZYLONITE2) ||\
defined(CONFIG_ARCH_VIPER) ||\
- defined(CONFIG_MACH_STARGATE2)
+ defined(CONFIG_MACH_STARGATE2) ||\
+ defined(CONFIG_ARCH_VERSATILE)
#include <asm/mach-types.h>
@@ -154,6 +155,8 @@ static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
#define SMC_outl(v, a, r) writel(v, (a) + (r))
#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
+#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
+#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
#define SMC_IRQ_FLAGS (-1) /* from resource */
/* We actually can't write halfwords properly if not word aligned */
@@ -206,23 +209,6 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
#define RPC_LSA_DEFAULT RPC_LED_TX_RX
#define RPC_LSB_DEFAULT RPC_LED_100_10
-#elif defined(CONFIG_ARCH_VERSATILE)
-
-#define SMC_CAN_USE_8BIT 1
-#define SMC_CAN_USE_16BIT 1
-#define SMC_CAN_USE_32BIT 1
-#define SMC_NOWAIT 1
-
-#define SMC_inb(a, r) readb((a) + (r))
-#define SMC_inw(a, r) readw((a) + (r))
-#define SMC_inl(a, r) readl((a) + (r))
-#define SMC_outb(v, a, r) writeb(v, (a) + (r))
-#define SMC_outw(v, a, r) writew(v, (a) + (r))
-#define SMC_outl(v, a, r) writel(v, (a) + (r))
-#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
-#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
-#define SMC_IRQ_FLAGS (-1) /* from resource */
-
#elif defined(CONFIG_MN10300)
/*
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 8a7a23a84ac5..797b56a0efc4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -622,17 +622,15 @@ static int stmmac_init_ptp(struct stmmac_priv *priv)
if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp))
return -EOPNOTSUPP;
- if (netif_msg_hw(priv)) {
- if (priv->dma_cap.time_stamp) {
- pr_debug("IEEE 1588-2002 Time Stamp supported\n");
- priv->adv_ts = 0;
- }
- if (priv->dma_cap.atime_stamp && priv->extend_desc) {
- pr_debug
- ("IEEE 1588-2008 Advanced Time Stamp supported\n");
- priv->adv_ts = 1;
- }
- }
+ priv->adv_ts = 0;
+ if (priv->dma_cap.atime_stamp && priv->extend_desc)
+ priv->adv_ts = 1;
+
+ if (netif_msg_hw(priv) && priv->dma_cap.time_stamp)
+ pr_debug("IEEE 1588-2002 Time Stamp supported\n");
+
+ if (netif_msg_hw(priv) && priv->adv_ts)
+ pr_debug("IEEE 1588-2008 Advanced Time Stamp supported\n");
priv->hw->ptp = &stmmac_ptp;
priv->hwts_tx_en = 0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index b8b0eeed0f92..7680581ebe12 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -56,7 +56,7 @@ static int stmmac_adjust_freq(struct ptp_clock_info *ptp, s32 ppb)
priv->hw->ptp->config_addend(priv->ioaddr, addend);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
return 0;
}
@@ -91,7 +91,7 @@ static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta)
priv->hw->ptp->adjust_systime(priv->ioaddr, sec, nsec, neg_adj);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
return 0;
}
diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c
index dd0dd6279b4e..4f1d2549130e 100644
--- a/drivers/net/ethernet/tehuti/tehuti.c
+++ b/drivers/net/ethernet/tehuti/tehuti.c
@@ -2019,7 +2019,6 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ndev->features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO
| NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM
- /*| NETIF_F_FRAGLIST */
;
ndev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
NETIF_F_TSO | NETIF_F_HW_VLAN_CTAG_TX;
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 7536a4c01293..5330fd298705 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -740,6 +740,8 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave,
/* set speed_in input in case RMII mode is used in 100Mbps */
if (phy->speed == 100)
mac_control |= BIT(15);
+ else if (phy->speed == 10)
+ mac_control |= BIT(18); /* In Band mode */
*link = true;
} else {
@@ -1151,6 +1153,12 @@ static int cpsw_ndo_open(struct net_device *ndev)
* receive descs
*/
cpsw_info(priv, ifup, "submitted %d rx descriptors\n", i);
+
+ if (cpts_register(&priv->pdev->dev, priv->cpts,
+ priv->data.cpts_clock_mult,
+ priv->data.cpts_clock_shift))
+ dev_err(priv->dev, "error registering cpts device\n");
+
}
/* Enable Interrupt pacing if configured */
@@ -1197,6 +1205,7 @@ static int cpsw_ndo_stop(struct net_device *ndev)
netif_carrier_off(priv->ndev);
if (cpsw_common_res_usage_state(priv) <= 1) {
+ cpts_unregister(priv->cpts);
cpsw_intr_disable(priv);
cpdma_ctlr_int_ctrl(priv->dma, false);
cpdma_ctlr_stop(priv->dma);
@@ -1816,6 +1825,8 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
}
i++;
+ if (i == data->slaves)
+ break;
}
return 0;
@@ -1983,9 +1994,15 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_runtime_disable_ret;
}
priv->regs = ss_regs;
- priv->version = __raw_readl(&priv->regs->id_ver);
priv->host_port = HOST_PORT_NUM;
+ /* Need to enable clocks with runtime PM api to access module
+ * registers
+ */
+ pm_runtime_get_sync(&pdev->dev);
+ priv->version = readl(&priv->regs->id_ver);
+ pm_runtime_put_sync(&pdev->dev);
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
priv->wr_regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(priv->wr_regs)) {
@@ -2091,7 +2108,7 @@ static int cpsw_probe(struct platform_device *pdev)
while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) {
for (i = res->start; i <= res->end; i++) {
if (devm_request_irq(&pdev->dev, i, cpsw_interrupt, 0,
- dev_name(priv->dev), priv)) {
+ dev_name(&pdev->dev), priv)) {
dev_err(priv->dev, "error attaching irq\n");
goto clean_ale_ret;
}
@@ -2155,8 +2172,6 @@ static int cpsw_remove(struct platform_device *pdev)
unregister_netdev(cpsw_get_slave_ndev(priv, 1));
unregister_netdev(ndev);
- cpts_unregister(priv->cpts);
-
cpsw_ale_destroy(priv->ale);
cpdma_chan_destroy(priv->txch);
cpdma_chan_destroy(priv->rxch);
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 41ba974bf37c..cd9b164a0434 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -61,6 +61,7 @@
#include <linux/davinci_emac.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/of_net.h>
@@ -1752,10 +1753,14 @@ static const struct net_device_ops emac_netdev_ops = {
#endif
};
+static const struct of_device_id davinci_emac_of_match[];
+
static struct emac_platform_data *
davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
{
struct device_node *np;
+ const struct of_device_id *match;
+ const struct emac_platform_data *auxdata;
struct emac_platform_data *pdata = NULL;
const u8 *mac_addr;
@@ -1793,7 +1798,20 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
priv->phy_node = of_parse_phandle(np, "phy-handle", 0);
if (!priv->phy_node)
- pdata->phy_id = "";
+ pdata->phy_id = NULL;
+
+ auxdata = pdev->dev.platform_data;
+ if (auxdata) {
+ pdata->interrupt_enable = auxdata->interrupt_enable;
+ pdata->interrupt_disable = auxdata->interrupt_disable;
+ }
+
+ match = of_match_device(davinci_emac_of_match, &pdev->dev);
+ if (match && match->data) {
+ auxdata = match->data;
+ pdata->version = auxdata->version;
+ pdata->hw_ram_addr = auxdata->hw_ram_addr;
+ }
pdev->dev.platform_data = pdata;
@@ -2020,8 +2038,14 @@ static const struct dev_pm_ops davinci_emac_pm_ops = {
};
#if IS_ENABLED(CONFIG_OF)
+static const struct emac_platform_data am3517_emac_data = {
+ .version = EMAC_VERSION_2,
+ .hw_ram_addr = 0x01e20000,
+};
+
static const struct of_device_id davinci_emac_of_match[] = {
{.compatible = "ti,davinci-dm6467-emac", },
+ {.compatible = "ti,am3517-emac", .data = &am3517_emac_data, },
{},
};
MODULE_DEVICE_TABLE(of, davinci_emac_of_match);
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 628b736e5ae7..0e9fb3301b11 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -2080,7 +2080,8 @@ static int tile_net_tx(struct sk_buff *skb, struct net_device *dev)
}
/* Return subqueue id on this core (one per core). */
-static u16 tile_net_select_queue(struct net_device *dev, struct sk_buff *skb)
+static u16 tile_net_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
return smp_processor_id();
}
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index d022bf936572..ad61d26a44f3 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -2172,16 +2172,13 @@ static int velocity_poll(struct napi_struct *napi, int budget)
unsigned int rx_done;
unsigned long flags;
- spin_lock_irqsave(&vptr->lock, flags);
/*
* Do rx and tx twice for performance (taken from the VIA
* out-of-tree driver).
*/
- rx_done = velocity_rx_srv(vptr, budget / 2);
- velocity_tx_srv(vptr);
- rx_done += velocity_rx_srv(vptr, budget - rx_done);
+ rx_done = velocity_rx_srv(vptr, budget);
+ spin_lock_irqsave(&vptr->lock, flags);
velocity_tx_srv(vptr);
-
/* If budget not fully consumed, exit the polling mode */
if (rx_done < budget) {
napi_complete(napi);
@@ -2342,6 +2339,8 @@ static int velocity_change_mtu(struct net_device *dev, int new_mtu)
if (ret < 0)
goto out_free_tmp_vptr_1;
+ napi_disable(&vptr->napi);
+
spin_lock_irqsave(&vptr->lock, flags);
netif_stop_queue(dev);
@@ -2362,6 +2361,8 @@ static int velocity_change_mtu(struct net_device *dev, int new_mtu)
velocity_give_many_rx_descs(vptr);
+ napi_enable(&vptr->napi);
+
mac_enable_int(vptr->mac_regs);
netif_start_queue(dev);
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 1f2364126323..2166e879a096 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1017,7 +1017,7 @@ static int temac_of_probe(struct platform_device *op)
platform_set_drvdata(op, ndev);
SET_NETDEV_DEV(ndev, &op->dev);
ndev->flags &= ~IFF_MULTICAST; /* clear multicast */
- ndev->features = NETIF_F_SG | NETIF_F_FRAGLIST;
+ ndev->features = NETIF_F_SG;
ndev->netdev_ops = &temac_netdev_ops;
ndev->ethtool_ops = &temac_ethtool_ops;
#if 0
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index b2ff038d6d20..f9293da19e26 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -1486,7 +1486,7 @@ static int axienet_of_probe(struct platform_device *op)
SET_NETDEV_DEV(ndev, &op->dev);
ndev->flags &= ~IFF_MULTICAST; /* clear multicast */
- ndev->features = NETIF_F_SG | NETIF_F_FRAGLIST;
+ ndev->features = NETIF_F_SG;
ndev->netdev_ops = &axienet_netdev_ops;
ndev->ethtool_ops = &axienet_ethtool_ops;
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 74234a51c851..fefb8cd5eb65 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -163,26 +163,9 @@ static void xemaclite_enable_interrupts(struct net_local *drvdata)
__raw_writel(reg_data | XEL_TSR_XMIT_IE_MASK,
drvdata->base_addr + XEL_TSR_OFFSET);
- /* Enable the Tx interrupts for the second Buffer if
- * configured in HW */
- if (drvdata->tx_ping_pong != 0) {
- reg_data = __raw_readl(drvdata->base_addr +
- XEL_BUFFER_OFFSET + XEL_TSR_OFFSET);
- __raw_writel(reg_data | XEL_TSR_XMIT_IE_MASK,
- drvdata->base_addr + XEL_BUFFER_OFFSET +
- XEL_TSR_OFFSET);
- }
-
/* Enable the Rx interrupts for the first buffer */
__raw_writel(XEL_RSR_RECV_IE_MASK, drvdata->base_addr + XEL_RSR_OFFSET);
- /* Enable the Rx interrupts for the second Buffer if
- * configured in HW */
- if (drvdata->rx_ping_pong != 0) {
- __raw_writel(XEL_RSR_RECV_IE_MASK, drvdata->base_addr +
- XEL_BUFFER_OFFSET + XEL_RSR_OFFSET);
- }
-
/* Enable the Global Interrupt Enable */
__raw_writel(XEL_GIER_GIE_MASK, drvdata->base_addr + XEL_GIER_OFFSET);
}
@@ -206,31 +189,10 @@ static void xemaclite_disable_interrupts(struct net_local *drvdata)
__raw_writel(reg_data & (~XEL_TSR_XMIT_IE_MASK),
drvdata->base_addr + XEL_TSR_OFFSET);
- /* Disable the Tx interrupts for the second Buffer
- * if configured in HW */
- if (drvdata->tx_ping_pong != 0) {
- reg_data = __raw_readl(drvdata->base_addr + XEL_BUFFER_OFFSET +
- XEL_TSR_OFFSET);
- __raw_writel(reg_data & (~XEL_TSR_XMIT_IE_MASK),
- drvdata->base_addr + XEL_BUFFER_OFFSET +
- XEL_TSR_OFFSET);
- }
-
/* Disable the Rx interrupts for the first buffer */
reg_data = __raw_readl(drvdata->base_addr + XEL_RSR_OFFSET);
__raw_writel(reg_data & (~XEL_RSR_RECV_IE_MASK),
drvdata->base_addr + XEL_RSR_OFFSET);
-
- /* Disable the Rx interrupts for the second buffer
- * if configured in HW */
- if (drvdata->rx_ping_pong != 0) {
-
- reg_data = __raw_readl(drvdata->base_addr + XEL_BUFFER_OFFSET +
- XEL_RSR_OFFSET);
- __raw_writel(reg_data & (~XEL_RSR_RECV_IE_MASK),
- drvdata->base_addr + XEL_BUFFER_OFFSET +
- XEL_RSR_OFFSET);
- }
}
/**
@@ -258,6 +220,13 @@ static void xemaclite_aligned_write(void *src_ptr, u32 *dest_ptr,
*to_u16_ptr++ = *from_u16_ptr++;
*to_u16_ptr++ = *from_u16_ptr++;
+ /* This barrier resolves occasional issues seen around
+ * cases where the data is not properly flushed out
+ * from the processor store buffers to the destination
+ * memory locations.
+ */
+ wmb();
+
/* Output a word */
*to_u32_ptr++ = align_buffer;
}
@@ -273,6 +242,12 @@ static void xemaclite_aligned_write(void *src_ptr, u32 *dest_ptr,
for (; length > 0; length--)
*to_u8_ptr++ = *from_u8_ptr++;
+ /* This barrier resolves occasional issues seen around
+ * cases where the data is not properly flushed out
+ * from the processor store buffers to the destination
+ * memory locations.
+ */
+ wmb();
*to_u32_ptr = align_buffer;
}
}
diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index 3169252613fa..5d78c1d08abd 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -571,6 +571,8 @@ static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
case HDLCDRVCTL_CALIBRATE:
if(!capable(CAP_SYS_RAWIO))
return -EPERM;
+ if (bi.data.calibrate > INT_MAX / s->par.bitrate)
+ return -EINVAL;
s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16;
return 0;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 1971411574db..61dd2447e1bb 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1057,6 +1057,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
break;
case SIOCYAMGCFG:
+ memset(&yi, 0, sizeof(yi));
yi.cfg.mask = 0xffffffff;
yi.cfg.iobase = yp->iobase;
yi.cfg.irq = yp->irq;
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 524f713f6017..71baeb3ed905 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -261,9 +261,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
struct sk_buff *skb;
net = ((struct netvsc_device *)hv_get_drvdata(device_obj))->ndev;
- if (!net) {
- netdev_err(net, "got receive callback but net device"
- " not initialized yet\n");
+ if (!net || net->reg_state != NETREG_REGISTERED) {
packet->status = NVSP_STAT_FAIL;
return 0;
}
@@ -327,7 +325,6 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
return -EINVAL;
nvdev->start_remove = true;
- cancel_delayed_work_sync(&ndevctx->dwork);
cancel_work_sync(&ndevctx->work);
netif_tx_disable(ndev);
rndis_filter_device_remove(hdev);
@@ -436,19 +433,11 @@ static int netvsc_probe(struct hv_device *dev,
SET_ETHTOOL_OPS(net, &ethtool_ops);
SET_NETDEV_DEV(net, &dev->device);
- ret = register_netdev(net);
- if (ret != 0) {
- pr_err("Unable to register netdev.\n");
- free_netdev(net);
- goto out;
- }
-
/* Notify the netvsc driver of the new device */
device_info.ring_size = ring_size;
ret = rndis_filter_device_add(dev, &device_info);
if (ret != 0) {
netdev_err(net, "unable to add netvsc device (ret %d)\n", ret);
- unregister_netdev(net);
free_netdev(net);
hv_set_drvdata(dev, NULL);
return ret;
@@ -457,7 +446,13 @@ static int netvsc_probe(struct hv_device *dev,
netif_carrier_on(net);
-out:
+ ret = register_netdev(net);
+ if (ret != 0) {
+ pr_err("Unable to register netdev.\n");
+ rndis_filter_device_remove(dev);
+ free_netdev(net);
+ }
+
return ret;
}
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index acf93798dc67..bc8faaec33f5 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -299,7 +299,7 @@ netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
if (vlan->fwd_priv) {
skb->dev = vlan->lowerdev;
- ret = dev_hard_start_xmit(skb, skb->dev, NULL, vlan->fwd_priv);
+ ret = dev_queue_xmit_accel(skb, vlan->fwd_priv);
} else {
ret = macvlan_queue_xmit(skb, dev);
}
@@ -338,6 +338,8 @@ static const struct header_ops macvlan_hard_header_ops = {
.cache_update = eth_header_cache_update,
};
+static struct rtnl_link_ops macvlan_link_ops;
+
static int macvlan_open(struct net_device *dev)
{
struct macvlan_dev *vlan = netdev_priv(dev);
@@ -353,7 +355,8 @@ static int macvlan_open(struct net_device *dev)
goto hash_add;
}
- if (lowerdev->features & NETIF_F_HW_L2FW_DOFFLOAD) {
+ if (lowerdev->features & NETIF_F_HW_L2FW_DOFFLOAD &&
+ dev->rtnl_link_ops == &macvlan_link_ops) {
vlan->fwd_priv =
lowerdev->netdev_ops->ndo_dfwd_add_station(lowerdev, dev);
@@ -362,10 +365,8 @@ static int macvlan_open(struct net_device *dev)
*/
if (IS_ERR_OR_NULL(vlan->fwd_priv)) {
vlan->fwd_priv = NULL;
- } else {
- dev->features &= ~NETIF_F_LLTX;
+ } else
return 0;
- }
}
err = -EBUSY;
@@ -690,8 +691,18 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev,
netdev_features_t features)
{
struct macvlan_dev *vlan = netdev_priv(dev);
+ netdev_features_t mask;
+
+ features |= NETIF_F_ALL_FOR_ALL;
+ features &= (vlan->set_features | ~MACVLAN_FEATURES);
+ mask = features;
+
+ features = netdev_increment_features(vlan->lowerdev->features,
+ features,
+ mask);
+ features |= NETIF_F_LLTX;
- return features & (vlan->set_features | ~MACVLAN_FEATURES);
+ return features;
}
static const struct ethtool_ops macvlan_ethtool_ops = {
@@ -1019,9 +1030,8 @@ static int macvlan_device_event(struct notifier_block *unused,
break;
case NETDEV_FEAT_CHANGE:
list_for_each_entry(vlan, &port->vlans, list) {
- vlan->dev->features = dev->features & MACVLAN_FEATURES;
vlan->dev->gso_max_size = dev->gso_max_size;
- netdev_features_change(vlan->dev);
+ netdev_update_features(vlan->dev);
}
break;
case NETDEV_UNREGISTER:
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index dc76670c2f2a..2a89da080317 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -744,7 +744,7 @@ err:
rcu_read_lock();
vlan = rcu_dereference(q->vlan);
if (vlan)
- vlan->dev->stats.tx_dropped++;
+ this_cpu_inc(vlan->pcpu_stats->tx_dropped);
rcu_read_unlock();
return err;
@@ -767,11 +767,10 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
const struct sk_buff *skb,
const struct iovec *iv, int len)
{
- struct macvlan_dev *vlan;
int ret;
int vnet_hdr_len = 0;
int vlan_offset = 0;
- int copied;
+ int copied, total;
if (q->flags & IFF_VNET_HDR) {
struct virtio_net_hdr vnet_hdr;
@@ -786,7 +785,8 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
if (memcpy_toiovecend(iv, (void *)&vnet_hdr, 0, sizeof(vnet_hdr)))
return -EFAULT;
}
- copied = vnet_hdr_len;
+ total = copied = vnet_hdr_len;
+ total += skb->len;
if (!vlan_tx_tag_present(skb))
len = min_t(int, skb->len, len);
@@ -801,6 +801,7 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto);
len = min_t(int, skb->len + VLAN_HLEN, len);
+ total += VLAN_HLEN;
copy = min_t(int, vlan_offset, len);
ret = skb_copy_datagram_const_iovec(skb, 0, iv, copied, copy);
@@ -818,19 +819,9 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
}
ret = skb_copy_datagram_const_iovec(skb, vlan_offset, iv, copied, len);
- copied += len;
done:
- rcu_read_lock();
- vlan = rcu_dereference(q->vlan);
- if (vlan) {
- preempt_disable();
- macvlan_count_rx(vlan, copied - vnet_hdr_len, ret == 0, 0);
- preempt_enable();
- }
- rcu_read_unlock();
-
- return ret ? ret : copied;
+ return ret ? ret : total;
}
static ssize_t macvtap_do_read(struct macvtap_queue *q, struct kiocb *iocb,
@@ -885,7 +876,9 @@ static ssize_t macvtap_aio_read(struct kiocb *iocb, const struct iovec *iv,
}
ret = macvtap_do_read(q, iocb, iv, len, file->f_flags & O_NONBLOCK);
- ret = min_t(ssize_t, ret, len); /* XXX copied from tun.c. Why? */
+ ret = min_t(ssize_t, ret, len);
+ if (ret > 0)
+ iocb->ki_pos = ret;
out:
return ret;
}
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 3ae28f420868..26fa05a472b4 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -336,6 +336,21 @@ static struct phy_driver ksphy_driver[] = {
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
}, {
+ .phy_id = PHY_ID_KSZ8041RNLI,
+ .phy_id_mask = 0x00fffff0,
+ .name = "Micrel KSZ8041RNLI",
+ .features = PHY_BASIC_FEATURES |
+ SUPPORTED_Pause | SUPPORTED_Asym_Pause,
+ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .config_init = kszphy_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = kszphy_ack_interrupt,
+ .config_intr = kszphy_config_intr,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .driver = { .owner = THIS_MODULE,},
+}, {
.phy_id = PHY_ID_KSZ8051,
.phy_id_mask = 0x00fffff0,
.name = "Micrel KSZ8051",
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 36c6994436b7..98434b84f041 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -565,10 +565,8 @@ int phy_start_interrupts(struct phy_device *phydev)
int err = 0;
atomic_set(&phydev->irq_disable, 0);
- if (request_irq(phydev->irq, phy_interrupt,
- IRQF_SHARED,
- "phy_interrupt",
- phydev) < 0) {
+ if (request_irq(phydev->irq, phy_interrupt, 0, "phy_interrupt",
+ phydev) < 0) {
pr_warn("%s: Can't get IRQ %d (PHY)\n",
phydev->bus->name, phydev->irq);
phydev->irq = PHY_POLL;
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index 508e4359338b..14372c65a7e8 100644
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -64,6 +64,7 @@
#define PHY_ID_VSC8234 0x000fc620
#define PHY_ID_VSC8244 0x000fc6c0
+#define PHY_ID_VSC8514 0x00070670
#define PHY_ID_VSC8574 0x000704a0
#define PHY_ID_VSC8662 0x00070660
#define PHY_ID_VSC8221 0x000fc550
@@ -131,6 +132,7 @@ static int vsc82xx_config_intr(struct phy_device *phydev)
err = phy_write(phydev, MII_VSC8244_IMASK,
(phydev->drv->phy_id == PHY_ID_VSC8234 ||
phydev->drv->phy_id == PHY_ID_VSC8244 ||
+ phydev->drv->phy_id == PHY_ID_VSC8514 ||
phydev->drv->phy_id == PHY_ID_VSC8574) ?
MII_VSC8244_IMASK_MASK :
MII_VSC8221_IMASK_MASK);
@@ -246,6 +248,18 @@ static struct phy_driver vsc82xx_driver[] = {
.config_intr = &vsc82xx_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
+ .phy_id = PHY_ID_VSC8514,
+ .name = "Vitesse VSC8514",
+ .phy_id_mask = 0x000ffff0,
+ .features = PHY_GBIT_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = &vsc824x_config_init,
+ .config_aneg = &vsc82x4_config_aneg,
+ .read_status = &genphy_read_status,
+ .ack_interrupt = &vsc824x_ack_interrupt,
+ .config_intr = &vsc82xx_config_intr,
+ .driver = { .owner = THIS_MODULE,},
+}, {
.phy_id = PHY_ID_VSC8574,
.name = "Vitesse VSC8574",
.phy_id_mask = 0x000ffff0,
@@ -315,6 +329,7 @@ module_exit(vsc82xx_exit);
static struct mdio_device_id __maybe_unused vitesse_tbl[] = {
{ PHY_ID_VSC8234, 0x000ffff0 },
{ PHY_ID_VSC8244, 0x000fffc0 },
+ { PHY_ID_VSC8514, 0x000ffff0 },
{ PHY_ID_VSC8574, 0x000ffff0 },
{ PHY_ID_VSC8662, 0x000ffff0 },
{ PHY_ID_VSC8221, 0x000ffff0 },
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 34b0de09d881..b75ae5bde673 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1366,6 +1366,8 @@ static int team_user_linkup_option_get(struct team *team,
return 0;
}
+static void __team_carrier_check(struct team *team);
+
static int team_user_linkup_option_set(struct team *team,
struct team_gsetter_ctx *ctx)
{
@@ -1373,6 +1375,7 @@ static int team_user_linkup_option_set(struct team *team,
port->user.linkup = ctx->data.bool_val;
team_refresh_port_linkup(port);
+ __team_carrier_check(port->team);
return 0;
}
@@ -1392,6 +1395,7 @@ static int team_user_linkup_en_option_set(struct team *team,
port->user.linkup_enabled = ctx->data.bool_val;
team_refresh_port_linkup(port);
+ __team_carrier_check(port->team);
return 0;
}
@@ -1643,7 +1647,8 @@ static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
}
-static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb)
+static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
/*
* This helper function exists to help dev_pick_tx get the correct
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 782e38bfc1ee..ecec8029c5e8 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -348,7 +348,8 @@ unlock:
* different rxq no. here. If we could not get rxhash, then we would
* hope the rxq no. may help here.
*/
-static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb)
+static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
struct tun_struct *tun = netdev_priv(dev);
struct tun_flow_entry *e;
@@ -1184,7 +1185,7 @@ static ssize_t tun_put_user(struct tun_struct *tun,
{
struct tun_pi pi = { 0, skb->protocol };
ssize_t total = 0;
- int vlan_offset = 0;
+ int vlan_offset = 0, copied;
if (!(tun->flags & TUN_NO_PI)) {
if ((len -= sizeof(pi)) < 0)
@@ -1248,6 +1249,8 @@ static ssize_t tun_put_user(struct tun_struct *tun,
total += tun->vnet_hdr_sz;
}
+ copied = total;
+ total += skb->len;
if (!vlan_tx_tag_present(skb)) {
len = min_t(int, skb->len, len);
} else {
@@ -1262,24 +1265,24 @@ static ssize_t tun_put_user(struct tun_struct *tun,
vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto);
len = min_t(int, skb->len + VLAN_HLEN, len);
+ total += VLAN_HLEN;
copy = min_t(int, vlan_offset, len);
- ret = skb_copy_datagram_const_iovec(skb, 0, iv, total, copy);
+ ret = skb_copy_datagram_const_iovec(skb, 0, iv, copied, copy);
len -= copy;
- total += copy;
+ copied += copy;
if (ret || !len)
goto done;
copy = min_t(int, sizeof(veth), len);
- ret = memcpy_toiovecend(iv, (void *)&veth, total, copy);
+ ret = memcpy_toiovecend(iv, (void *)&veth, copied, copy);
len -= copy;
- total += copy;
+ copied += copy;
if (ret || !len)
goto done;
}
- skb_copy_datagram_const_iovec(skb, vlan_offset, iv, total, len);
- total += len;
+ skb_copy_datagram_const_iovec(skb, vlan_offset, iv, copied, len);
done:
tun->dev->stats.tx_packets++;
@@ -1356,6 +1359,8 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
ret = tun_do_read(tun, tfile, iocb, iv, len,
file->f_flags & O_NONBLOCK);
ret = min_t(ssize_t, ret, len);
+ if (ret > 0)
+ iocb->ki_pos = ret;
out:
tun_put(tun);
return ret;
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 85e4a01670f0..47b0f732b0b1 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -276,12 +276,12 @@ config USB_NET_CDC_MBIM
module will be called cdc_mbim.
config USB_NET_DM9601
- tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices"
+ tristate "Davicom DM96xx based USB 10/100 ethernet devices"
depends on USB_USBNET
select CRC32
help
- This option adds support for Davicom DM9601 based USB 1.1
- 10/100 Ethernet adapters.
+ This option adds support for Davicom DM9601/DM9620/DM9621A
+ based USB 10/100 Ethernet adapters.
config USB_NET_SR9700
tristate "CoreChip-sz SR9700 based USB 1.1 10/100 ethernet devices"
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index c6867f926cff..14aa48fa8d7e 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -1,5 +1,5 @@
/*
- * Davicom DM9601 USB 1.1 10/100Mbps ethernet devices
+ * Davicom DM96xx USB 10/100Mbps ethernet devices
*
* Peter Korsgaard <jacmet@sunsite.dk>
*
@@ -364,7 +364,12 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
dev->net->ethtool_ops = &dm9601_ethtool_ops;
dev->net->hard_header_len += DM_TX_OVERHEAD;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
- dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD;
+
+ /* dm9620/21a require room for 4 byte padding, even in dm9601
+ * mode, so we need +1 to be able to receive full size
+ * ethernet frames.
+ */
+ dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD + 1;
dev->mii.dev = dev->net;
dev->mii.mdio_read = dm9601_mdio_read;
@@ -468,7 +473,7 @@ static int dm9601_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags)
{
- int len;
+ int len, pad;
/* format:
b1: packet length low
@@ -476,12 +481,23 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
b3..n: packet data
*/
- len = skb->len;
+ len = skb->len + DM_TX_OVERHEAD;
+
+ /* workaround for dm962x errata with tx fifo getting out of
+ * sync if a USB bulk transfer retry happens right after a
+ * packet with odd / maxpacket length by adding up to 3 bytes
+ * padding.
+ */
+ while ((len & 1) || !(len % dev->maxpacket))
+ len++;
- if (skb_headroom(skb) < DM_TX_OVERHEAD) {
+ len -= DM_TX_OVERHEAD; /* hw header doesn't count as part of length */
+ pad = len - skb->len;
+
+ if (skb_headroom(skb) < DM_TX_OVERHEAD || skb_tailroom(skb) < pad) {
struct sk_buff *skb2;
- skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags);
+ skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, pad, flags);
dev_kfree_skb_any(skb);
skb = skb2;
if (!skb)
@@ -490,10 +506,10 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
__skb_push(skb, DM_TX_OVERHEAD);
- /* usbnet adds padding if length is a multiple of packet size
- if so, adjust length value in header */
- if ((skb->len % dev->maxpacket) == 0)
- len++;
+ if (pad) {
+ memset(skb->data + skb->len, 0, pad);
+ __skb_put(skb, pad);
+ }
skb->data[0] = len;
skb->data[1] = len >> 8;
@@ -543,7 +559,7 @@ static int dm9601_link_reset(struct usbnet *dev)
}
static const struct driver_info dm9601_info = {
- .description = "Davicom DM9601 USB Ethernet",
+ .description = "Davicom DM96xx USB 10/100 Ethernet",
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.bind = dm9601_bind,
.rx_fixup = dm9601_rx_fixup,
@@ -594,6 +610,10 @@ static const struct usb_device_id products[] = {
USB_DEVICE(0x0a46, 0x9620), /* DM9620 USB to Fast Ethernet Adapter */
.driver_info = (unsigned long)&dm9601_info,
},
+ {
+ USB_DEVICE(0x0a46, 0x9621), /* DM9621A USB to Fast Ethernet Adapter */
+ .driver_info = (unsigned long)&dm9601_info,
+ },
{}, // END
};
@@ -612,5 +632,5 @@ static struct usb_driver dm9601_driver = {
module_usb_driver(dm9601_driver);
MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>");
-MODULE_DESCRIPTION("Davicom DM9601 USB 1.1 ethernet devices");
+MODULE_DESCRIPTION("Davicom DM96xx USB 10/100 ethernet devices");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 86292e6aaf49..1a482344b3f5 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -185,7 +185,6 @@ enum rx_ctrl_state{
#define BM_REQUEST_TYPE (0xa1)
#define B_NOTIFICATION (0x20)
#define W_VALUE (0x0)
-#define W_INDEX (0x2)
#define W_LENGTH (0x2)
#define B_OVERRUN (0x1<<6)
@@ -1487,6 +1486,7 @@ static void tiocmget_intr_callback(struct urb *urb)
struct uart_icount *icount;
struct hso_serial_state_notification *serial_state_notification;
struct usb_device *usb;
+ int if_num;
/* Sanity checks */
if (!serial)
@@ -1495,15 +1495,24 @@ static void tiocmget_intr_callback(struct urb *urb)
handle_usb_error(status, __func__, serial->parent);
return;
}
+
+ /* tiocmget is only supported on HSO_PORT_MODEM */
tiocmget = serial->tiocmget;
if (!tiocmget)
return;
+ BUG_ON((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM);
+
usb = serial->parent->usb;
+ if_num = serial->parent->interface->altsetting->desc.bInterfaceNumber;
+
+ /* wIndex should be the USB interface number of the port to which the
+ * notification applies, which should always be the Modem port.
+ */
serial_state_notification = &tiocmget->serial_state_notification;
if (serial_state_notification->bmRequestType != BM_REQUEST_TYPE ||
serial_state_notification->bNotification != B_NOTIFICATION ||
le16_to_cpu(serial_state_notification->wValue) != W_VALUE ||
- le16_to_cpu(serial_state_notification->wIndex) != W_INDEX ||
+ le16_to_cpu(serial_state_notification->wIndex) != if_num ||
le16_to_cpu(serial_state_notification->wLength) != W_LENGTH) {
dev_warn(&usb->dev,
"hso received invalid serial state notification\n");
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 03832d3780aa..f54637828574 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -117,7 +117,6 @@ enum {
struct mcs7830_data {
u8 multi_filter[8];
u8 config;
- u8 link_counter;
};
static const char driver_name[] = "MOSCHIP usb-ethernet driver";
@@ -561,26 +560,16 @@ static void mcs7830_status(struct usbnet *dev, struct urb *urb)
{
u8 *buf = urb->transfer_buffer;
bool link, link_changed;
- struct mcs7830_data *data = mcs7830_get_data(dev);
if (urb->actual_length < 16)
return;
- link = !(buf[1] & 0x20);
+ link = !(buf[1] == 0x20);
link_changed = netif_carrier_ok(dev->net) != link;
if (link_changed) {
- data->link_counter++;
- /*
- track link state 20 times to guard against erroneous
- link state changes reported sometimes by the chip
- */
- if (data->link_counter > 20) {
- data->link_counter = 0;
- usbnet_link_change(dev, link, 0);
- netdev_dbg(dev->net, "Link Status is: %d\n", link);
- }
- } else
- data->link_counter = 0;
+ usbnet_link_change(dev, link, 0);
+ netdev_dbg(dev->net, "Link Status is: %d\n", link);
+ }
}
static const struct driver_info moschip_info = {
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 7bab4de658a9..5d776447d9c3 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -299,35 +299,76 @@ static struct sk_buff *page_to_skb(struct receive_queue *rq,
return skb;
}
-static int receive_mergeable(struct receive_queue *rq, struct sk_buff *head_skb)
+static struct sk_buff *receive_small(void *buf, unsigned int len)
{
- struct skb_vnet_hdr *hdr = skb_vnet_hdr(head_skb);
+ struct sk_buff * skb = buf;
+
+ len -= sizeof(struct virtio_net_hdr);
+ skb_trim(skb, len);
+
+ return skb;
+}
+
+static struct sk_buff *receive_big(struct net_device *dev,
+ struct receive_queue *rq,
+ void *buf,
+ unsigned int len)
+{
+ struct page *page = buf;
+ struct sk_buff *skb = page_to_skb(rq, page, 0, len, PAGE_SIZE);
+
+ if (unlikely(!skb))
+ goto err;
+
+ return skb;
+
+err:
+ dev->stats.rx_dropped++;
+ give_pages(rq, page);
+ return NULL;
+}
+
+static struct sk_buff *receive_mergeable(struct net_device *dev,
+ struct receive_queue *rq,
+ void *buf,
+ unsigned int len)
+{
+ struct skb_vnet_hdr *hdr = buf;
+ int num_buf = hdr->mhdr.num_buffers;
+ struct page *page = virt_to_head_page(buf);
+ int offset = buf - page_address(page);
+ struct sk_buff *head_skb = page_to_skb(rq, page, offset, len,
+ MERGE_BUFFER_LEN);
struct sk_buff *curr_skb = head_skb;
- char *buf;
- struct page *page;
- int num_buf, len, offset;
- num_buf = hdr->mhdr.num_buffers;
+ if (unlikely(!curr_skb))
+ goto err_skb;
+
while (--num_buf) {
- int num_skb_frags = skb_shinfo(curr_skb)->nr_frags;
+ int num_skb_frags;
+
buf = virtqueue_get_buf(rq->vq, &len);
if (unlikely(!buf)) {
- pr_debug("%s: rx error: %d buffers missing\n",
- head_skb->dev->name, hdr->mhdr.num_buffers);
- head_skb->dev->stats.rx_length_errors++;
- return -EINVAL;
+ pr_debug("%s: rx error: %d buffers out of %d missing\n",
+ dev->name, num_buf, hdr->mhdr.num_buffers);
+ dev->stats.rx_length_errors++;
+ goto err_buf;
}
if (unlikely(len > MERGE_BUFFER_LEN)) {
pr_debug("%s: rx error: merge buffer too long\n",
- head_skb->dev->name);
+ dev->name);
len = MERGE_BUFFER_LEN;
}
+
+ page = virt_to_head_page(buf);
+ --rq->num;
+
+ num_skb_frags = skb_shinfo(curr_skb)->nr_frags;
if (unlikely(num_skb_frags == MAX_SKB_FRAGS)) {
struct sk_buff *nskb = alloc_skb(0, GFP_ATOMIC);
- if (unlikely(!nskb)) {
- head_skb->dev->stats.rx_dropped++;
- return -ENOMEM;
- }
+
+ if (unlikely(!nskb))
+ goto err_skb;
if (curr_skb == head_skb)
skb_shinfo(curr_skb)->frag_list = nskb;
else
@@ -341,8 +382,7 @@ static int receive_mergeable(struct receive_queue *rq, struct sk_buff *head_skb)
head_skb->len += len;
head_skb->truesize += MERGE_BUFFER_LEN;
}
- page = virt_to_head_page(buf);
- offset = buf - (char *)page_address(page);
+ offset = buf - page_address(page);
if (skb_can_coalesce(curr_skb, num_skb_frags, page, offset)) {
put_page(page);
skb_coalesce_rx_frag(curr_skb, num_skb_frags - 1,
@@ -351,9 +391,28 @@ static int receive_mergeable(struct receive_queue *rq, struct sk_buff *head_skb)
skb_add_rx_frag(curr_skb, num_skb_frags, page,
offset, len, MERGE_BUFFER_LEN);
}
+ }
+
+ return head_skb;
+
+err_skb:
+ put_page(page);
+ while (--num_buf) {
+ buf = virtqueue_get_buf(rq->vq, &len);
+ if (unlikely(!buf)) {
+ pr_debug("%s: rx error: %d buffers missing\n",
+ dev->name, num_buf);
+ dev->stats.rx_length_errors++;
+ break;
+ }
+ page = virt_to_head_page(buf);
+ put_page(page);
--rq->num;
}
- return 0;
+err_buf:
+ dev->stats.rx_dropped++;
+ dev_kfree_skb(head_skb);
+ return NULL;
}
static void receive_buf(struct receive_queue *rq, void *buf, unsigned int len)
@@ -362,48 +421,29 @@ static void receive_buf(struct receive_queue *rq, void *buf, unsigned int len)
struct net_device *dev = vi->dev;
struct virtnet_stats *stats = this_cpu_ptr(vi->stats);
struct sk_buff *skb;
- struct page *page;
struct skb_vnet_hdr *hdr;
if (unlikely(len < sizeof(struct virtio_net_hdr) + ETH_HLEN)) {
pr_debug("%s: short packet %i\n", dev->name, len);
dev->stats.rx_length_errors++;
- if (vi->big_packets)
- give_pages(rq, buf);
- else if (vi->mergeable_rx_bufs)
+ if (vi->mergeable_rx_bufs)
put_page(virt_to_head_page(buf));
+ else if (vi->big_packets)
+ give_pages(rq, buf);
else
dev_kfree_skb(buf);
return;
}
- if (!vi->mergeable_rx_bufs && !vi->big_packets) {
- skb = buf;
- len -= sizeof(struct virtio_net_hdr);
- skb_trim(skb, len);
- } else if (vi->mergeable_rx_bufs) {
- struct page *page = virt_to_head_page(buf);
- skb = page_to_skb(rq, page,
- (char *)buf - (char *)page_address(page),
- len, MERGE_BUFFER_LEN);
- if (unlikely(!skb)) {
- dev->stats.rx_dropped++;
- put_page(page);
- return;
- }
- if (receive_mergeable(rq, skb)) {
- dev_kfree_skb(skb);
- return;
- }
- } else {
- page = buf;
- skb = page_to_skb(rq, page, 0, len, PAGE_SIZE);
- if (unlikely(!skb)) {
- dev->stats.rx_dropped++;
- give_pages(rq, page);
- return;
- }
- }
+ if (vi->mergeable_rx_bufs)
+ skb = receive_mergeable(dev, rq, buf, len);
+ else if (vi->big_packets)
+ skb = receive_big(dev, rq, buf, len);
+ else
+ skb = receive_small(buf, len);
+
+ if (unlikely(!skb))
+ return;
hdr = skb_vnet_hdr(skb);
@@ -1084,7 +1124,7 @@ static void virtnet_set_rx_mode(struct net_device *dev)
if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_MAC,
VIRTIO_NET_CTRL_MAC_TABLE_SET,
sg, NULL))
- dev_warn(&dev->dev, "Failed to set MAC fitler table.\n");
+ dev_warn(&dev->dev, "Failed to set MAC filter table.\n");
kfree(buf);
}
@@ -1327,6 +1367,11 @@ static void virtnet_config_changed(struct virtio_device *vdev)
static void virtnet_free_queues(struct virtnet_info *vi)
{
+ int i;
+
+ for (i = 0; i < vi->max_queue_pairs; i++)
+ netif_napi_del(&vi->rq[i].napi);
+
kfree(vi->rq);
kfree(vi->sq);
}
@@ -1356,10 +1401,10 @@ static void free_unused_bufs(struct virtnet_info *vi)
struct virtqueue *vq = vi->rq[i].vq;
while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) {
- if (vi->big_packets)
- give_pages(&vi->rq[i], buf);
- else if (vi->mergeable_rx_bufs)
+ if (vi->mergeable_rx_bufs)
put_page(virt_to_head_page(buf));
+ else if (vi->big_packets)
+ give_pages(&vi->rq[i], buf);
else
dev_kfree_skb(buf);
--vi->rq[i].num;
@@ -1752,16 +1797,17 @@ static int virtnet_restore(struct virtio_device *vdev)
if (err)
return err;
- if (netif_running(vi->dev))
+ if (netif_running(vi->dev)) {
+ for (i = 0; i < vi->curr_queue_pairs; i++)
+ if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
+ schedule_delayed_work(&vi->refill, 0);
+
for (i = 0; i < vi->max_queue_pairs; i++)
virtnet_napi_enable(&vi->rq[i]);
+ }
netif_device_attach(vi->dev);
- for (i = 0; i < vi->curr_queue_pairs; i++)
- if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
- schedule_delayed_work(&vi->refill, 0);
-
mutex_lock(&vi->config_lock);
vi->config_enable = true;
mutex_unlock(&vi->config_lock);
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 0358c07f7669..ed384fee76ac 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1668,7 +1668,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
netdev_dbg(dev, "circular route to %pI4\n",
&dst->sin.sin_addr.s_addr);
dev->stats.collisions++;
- goto tx_error;
+ goto rt_tx_error;
}
/* Bypass encapsulation if the destination is local */
@@ -2440,7 +2440,8 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
/* update header length based on lower device */
dev->hard_header_len = lowerdev->hard_header_len +
(use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM);
- }
+ } else if (use_ipv6)
+ vxlan->flags |= VXLAN_F_IPV6;
if (data[IFLA_VXLAN_TOS])
vxlan->tos = nla_get_u8(data[IFLA_VXLAN_TOS]);
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 8d78253c26ce..a366d6b4626f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -76,9 +76,16 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
mask2 |= ATH9K_INT_CST;
if (isr2 & AR_ISR_S2_TSFOOR)
mask2 |= ATH9K_INT_TSFOOR;
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
+ REG_WRITE(ah, AR_ISR_S2, isr2);
+ isr &= ~AR_ISR_BCNMISC;
+ }
}
- isr = REG_READ(ah, AR_ISR_RAC);
+ if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)
+ isr = REG_READ(ah, AR_ISR_RAC);
+
if (isr == 0xffffffff) {
*masked = 0;
return false;
@@ -97,11 +104,23 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
*masked |= ATH9K_INT_TX;
- s0_s = REG_READ(ah, AR_ISR_S0_S);
+ if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) {
+ s0_s = REG_READ(ah, AR_ISR_S0_S);
+ s1_s = REG_READ(ah, AR_ISR_S1_S);
+ } else {
+ s0_s = REG_READ(ah, AR_ISR_S0);
+ REG_WRITE(ah, AR_ISR_S0, s0_s);
+ s1_s = REG_READ(ah, AR_ISR_S1);
+ REG_WRITE(ah, AR_ISR_S1, s1_s);
+
+ isr &= ~(AR_ISR_TXOK |
+ AR_ISR_TXDESC |
+ AR_ISR_TXERR |
+ AR_ISR_TXEOL);
+ }
+
ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
-
- s1_s = REG_READ(ah, AR_ISR_S1_S);
ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
}
@@ -114,13 +133,15 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
*masked |= mask2;
}
- if (AR_SREV_9100(ah))
- return true;
-
- if (isr & AR_ISR_GENTMR) {
+ if (!AR_SREV_9100(ah) && (isr & AR_ISR_GENTMR)) {
u32 s5_s;
- s5_s = REG_READ(ah, AR_ISR_S5_S);
+ if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED) {
+ s5_s = REG_READ(ah, AR_ISR_S5_S);
+ } else {
+ s5_s = REG_READ(ah, AR_ISR_S5);
+ }
+
ah->intr_gen_timer_trigger =
MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
@@ -133,8 +154,21 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
if ((s5_s & AR_ISR_S5_TIM_TIMER) &&
!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
*masked |= ATH9K_INT_TIM_TIMER;
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
+ REG_WRITE(ah, AR_ISR_S5, s5_s);
+ isr &= ~AR_ISR_GENTMR;
+ }
}
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
+ REG_WRITE(ah, AR_ISR, isr);
+ REG_READ(ah, AR_ISR);
+ }
+
+ if (AR_SREV_9100(ah))
+ return true;
+
if (sync_cause) {
ath9k_debug_sync_cause(common, sync_cause);
fatal_int =
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 1ec52356b5a1..130657db5c43 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3984,18 +3984,20 @@ static void ar9003_hw_quick_drop_apply(struct ath_hw *ah, u16 freq)
int quick_drop;
s32 t[3], f[3] = {5180, 5500, 5785};
- if (!(pBase->miscConfiguration & BIT(1)))
+ if (!(pBase->miscConfiguration & BIT(4)))
return;
- if (freq < 4000)
- quick_drop = eep->modalHeader2G.quick_drop;
- else {
- t[0] = eep->base_ext1.quick_drop_low;
- t[1] = eep->modalHeader5G.quick_drop;
- t[2] = eep->base_ext1.quick_drop_high;
- quick_drop = ar9003_hw_power_interpolate(freq, f, t, 3);
+ if (AR_SREV_9300(ah) || AR_SREV_9580(ah) || AR_SREV_9340(ah)) {
+ if (freq < 4000) {
+ quick_drop = eep->modalHeader2G.quick_drop;
+ } else {
+ t[0] = eep->base_ext1.quick_drop_low;
+ t[1] = eep->modalHeader5G.quick_drop;
+ t[2] = eep->base_ext1.quick_drop_high;
+ quick_drop = ar9003_hw_power_interpolate(freq, f, t, 3);
+ }
+ REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop);
}
- REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop);
}
static void ar9003_hw_txend_to_xpa_off_apply(struct ath_hw *ah, bool is2ghz)
@@ -4035,7 +4037,7 @@ static void ar9003_hw_xlna_bias_strength_apply(struct ath_hw *ah, bool is2ghz)
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
u8 bias;
- if (!(eep->baseEepHeader.featureEnable & 0x40))
+ if (!(eep->baseEepHeader.miscConfiguration & 0x40))
return;
if (!AR_SREV_9300(ah))
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 9a2657fdd9cc..608d739d1378 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -127,21 +127,26 @@ static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
struct ath9k_vif_iter_data *iter_data = data;
int i;
- for (i = 0; i < ETH_ALEN; i++)
- iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
+ if (iter_data->hw_macaddr != NULL) {
+ for (i = 0; i < ETH_ALEN; i++)
+ iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
+ } else {
+ iter_data->hw_macaddr = mac;
+ }
}
-static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv,
+static void ath9k_htc_set_mac_bssid_mask(struct ath9k_htc_priv *priv,
struct ieee80211_vif *vif)
{
struct ath_common *common = ath9k_hw_common(priv->ah);
struct ath9k_vif_iter_data iter_data;
/*
- * Use the hardware MAC address as reference, the hardware uses it
- * together with the BSSID mask when matching addresses.
+ * Pick the MAC address of the first interface as the new hardware
+ * MAC address. The hardware will use it together with the BSSID mask
+ * when matching addresses.
*/
- iter_data.hw_macaddr = common->macaddr;
+ iter_data.hw_macaddr = NULL;
memset(&iter_data.mask, 0xff, ETH_ALEN);
if (vif)
@@ -153,6 +158,10 @@ static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv,
ath9k_htc_bssid_iter, &iter_data);
memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+
+ if (iter_data.hw_macaddr)
+ memcpy(common->macaddr, iter_data.hw_macaddr, ETH_ALEN);
+
ath_hw_setbssidmask(common);
}
@@ -1063,7 +1072,7 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
goto out;
}
- ath9k_htc_set_bssid_mask(priv, vif);
+ ath9k_htc_set_mac_bssid_mask(priv, vif);
priv->vif_slot |= (1 << avp->index);
priv->nvifs++;
@@ -1128,7 +1137,7 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
ath9k_htc_set_opmode(priv);
- ath9k_htc_set_bssid_mask(priv, vif);
+ ath9k_htc_set_mac_bssid_mask(priv, vif);
/*
* Stop ANI only if there are no associated station interfaces.
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 54b04155e43b..8918035da3a3 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -146,10 +146,9 @@ static void ath9k_hw_set_clockrate(struct ath_hw *ah)
else
clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM;
- if (IS_CHAN_HT40(chan))
- clockrate *= 2;
-
- if (ah->curchan) {
+ if (chan) {
+ if (IS_CHAN_HT40(chan))
+ clockrate *= 2;
if (IS_CHAN_HALF_RATE(chan))
clockrate /= 2;
if (IS_CHAN_QUARTER_RATE(chan))
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 74f452c7b166..21aa09e0e825 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -965,8 +965,9 @@ void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
struct ath_common *common = ath9k_hw_common(ah);
/*
- * Use the hardware MAC address as reference, the hardware uses it
- * together with the BSSID mask when matching addresses.
+ * Pick the MAC address of the first interface as the new hardware
+ * MAC address. The hardware will use it together with the BSSID mask
+ * when matching addresses.
*/
memset(iter_data, 0, sizeof(*iter_data));
memset(&iter_data->mask, 0xff, ETH_ALEN);
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 09cdbcd09739..b5a19e098f2d 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1276,6 +1276,10 @@ static void ath_tx_fill_desc(struct ath_softc *sc, struct ath_buf *bf,
if (!rts_thresh || (len > rts_thresh))
rts = true;
}
+
+ if (!aggr)
+ len = fi->framelen;
+
ath_buf_set_rate(sc, bf, &info, len, rts);
}
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index de9eb2cfbf4b..366339421d4f 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -2041,13 +2041,20 @@ static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len)
case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
mutex_lock(&wcn->hal_ind_mutex);
msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL);
- msg_ind->msg_len = len;
- msg_ind->msg = kmalloc(len, GFP_KERNEL);
- memcpy(msg_ind->msg, buf, len);
- list_add_tail(&msg_ind->list, &wcn->hal_ind_queue);
- queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work);
- wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n");
+ if (msg_ind) {
+ msg_ind->msg_len = len;
+ msg_ind->msg = kmalloc(len, GFP_KERNEL);
+ memcpy(msg_ind->msg, buf, len);
+ list_add_tail(&msg_ind->list, &wcn->hal_ind_queue);
+ queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work);
+ wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n");
+ }
mutex_unlock(&wcn->hal_ind_mutex);
+ if (msg_ind)
+ break;
+ /* FIXME: Do something smarter then just printing an error. */
+ wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n",
+ msg_header->msg_type);
break;
default:
wcn36xx_err("SMD_EVENT (%d) not supported\n",
diff --git a/drivers/net/wireless/brcm80211/Kconfig b/drivers/net/wireless/brcm80211/Kconfig
index b00a7e92225f..54e36fcb3954 100644
--- a/drivers/net/wireless/brcm80211/Kconfig
+++ b/drivers/net/wireless/brcm80211/Kconfig
@@ -5,6 +5,8 @@ config BRCMSMAC
tristate "Broadcom IEEE802.11n PCIe SoftMAC WLAN driver"
depends on MAC80211
depends on BCMA
+ select NEW_LEDS if BCMA_DRIVER_GPIO
+ select LEDS_CLASS if BCMA_DRIVER_GPIO
select BRCMUTIL
select FW_LOADER
select CRC_CCITT
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
index 905704e335d7..abc9ceca70f3 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
@@ -109,6 +109,8 @@ static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
brcmf_err("Disable F2 failed:%d\n",
err_ret);
}
+ } else {
+ err_ret = -ENOENT;
}
} else if ((regaddr == SDIO_CCCR_ABORT) ||
(regaddr == SDIO_CCCR_IENx)) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c
index 85879dbaa402..3c34a72a5d64 100644
--- a/drivers/net/wireless/iwlwifi/iwl-7000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-7000.c
@@ -67,8 +67,8 @@
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX 7
-#define IWL3160_UCODE_API_MAX 7
+#define IWL7260_UCODE_API_MAX 8
+#define IWL3160_UCODE_API_MAX 8
/* Oldest version we won't warn about */
#define IWL7260_UCODE_API_OK 7
@@ -130,6 +130,7 @@ const struct iwl_cfg iwl7260_2ac_cfg = {
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL7260_NVM_VERSION,
.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
+ .host_interrupt_operation_mode = true,
};
const struct iwl_cfg iwl7260_2ac_cfg_high_temp = {
@@ -140,6 +141,7 @@ const struct iwl_cfg iwl7260_2ac_cfg_high_temp = {
.nvm_ver = IWL7260_NVM_VERSION,
.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
.high_temp = true,
+ .host_interrupt_operation_mode = true,
};
const struct iwl_cfg iwl7260_2n_cfg = {
@@ -149,6 +151,7 @@ const struct iwl_cfg iwl7260_2n_cfg = {
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL7260_NVM_VERSION,
.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
+ .host_interrupt_operation_mode = true,
};
const struct iwl_cfg iwl7260_n_cfg = {
@@ -158,6 +161,7 @@ const struct iwl_cfg iwl7260_n_cfg = {
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL7260_NVM_VERSION,
.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
+ .host_interrupt_operation_mode = true,
};
const struct iwl_cfg iwl3160_2ac_cfg = {
@@ -167,6 +171,7 @@ const struct iwl_cfg iwl3160_2ac_cfg = {
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL3160_NVM_VERSION,
.nvm_calib_ver = IWL3160_TX_POWER_VERSION,
+ .host_interrupt_operation_mode = true,
};
const struct iwl_cfg iwl3160_2n_cfg = {
@@ -176,6 +181,7 @@ const struct iwl_cfg iwl3160_2n_cfg = {
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL3160_NVM_VERSION,
.nvm_calib_ver = IWL3160_TX_POWER_VERSION,
+ .host_interrupt_operation_mode = true,
};
const struct iwl_cfg iwl3160_n_cfg = {
@@ -185,6 +191,7 @@ const struct iwl_cfg iwl3160_n_cfg = {
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL3160_NVM_VERSION,
.nvm_calib_ver = IWL3160_TX_POWER_VERSION,
+ .host_interrupt_operation_mode = true,
};
const struct iwl_cfg iwl7265_2ac_cfg = {
@@ -196,5 +203,23 @@ const struct iwl_cfg iwl7265_2ac_cfg = {
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
};
+const struct iwl_cfg iwl7265_2n_cfg = {
+ .name = "Intel(R) Dual Band Wireless N 7265",
+ .fw_name_pre = IWL7265_FW_PRE,
+ IWL_DEVICE_7000,
+ .ht_params = &iwl7000_ht_params,
+ .nvm_ver = IWL7265_NVM_VERSION,
+ .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
+};
+
+const struct iwl_cfg iwl7265_n_cfg = {
+ .name = "Intel(R) Wireless N 7265",
+ .fw_name_pre = IWL7265_FW_PRE,
+ IWL_DEVICE_7000,
+ .ht_params = &iwl7000_ht_params,
+ .nvm_ver = IWL7265_NVM_VERSION,
+ .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
+};
+
MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL3160_UCODE_API_OK));
diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h
index 18f232e8e812..03fd9aa8bfda 100644
--- a/drivers/net/wireless/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/iwlwifi/iwl-config.h
@@ -207,6 +207,8 @@ struct iwl_eeprom_params {
* @rx_with_siso_diversity: 1x1 device with rx antenna diversity
* @internal_wimax_coex: internal wifi/wimax combo device
* @high_temp: Is this NIC is designated to be in high temperature.
+ * @host_interrupt_operation_mode: device needs host interrupt operation
+ * mode set
*
* We enable the driver to be backward compatible wrt. hardware features.
* API differences in uCode shouldn't be handled here but through TLVs
@@ -235,6 +237,7 @@ struct iwl_cfg {
enum iwl_led_mode led_mode;
const bool rx_with_siso_diversity;
const bool internal_wimax_coex;
+ const bool host_interrupt_operation_mode;
bool high_temp;
};
@@ -294,6 +297,8 @@ extern const struct iwl_cfg iwl3160_2ac_cfg;
extern const struct iwl_cfg iwl3160_2n_cfg;
extern const struct iwl_cfg iwl3160_n_cfg;
extern const struct iwl_cfg iwl7265_2ac_cfg;
+extern const struct iwl_cfg iwl7265_2n_cfg;
+extern const struct iwl_cfg iwl7265_n_cfg;
#endif /* CONFIG_IWLMVM */
#endif /* __IWL_CONFIG_H__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index 54a4fdc631b7..da4eca8b3007 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -495,14 +495,11 @@ enum secure_load_status_reg {
* the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
*
* default interrupt coalescing timer is 64 x 32 = 2048 usecs
- * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
*/
#define IWL_HOST_INT_TIMEOUT_MAX (0xFF)
#define IWL_HOST_INT_TIMEOUT_DEF (0x40)
#define IWL_HOST_INT_TIMEOUT_MIN (0x0)
-#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
-#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
-#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
+#define IWL_HOST_INT_OPER_MODE BIT(31)
/*****************************************************************************
* 7000/3000 series SHR DTS addresses *
diff --git a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
index 5d066cbc5ac7..75b72a956552 100644
--- a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
@@ -391,7 +391,6 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
BT_VALID_LUT |
BT_VALID_WIFI_RX_SW_PRIO_BOOST |
BT_VALID_WIFI_TX_SW_PRIO_BOOST |
- BT_VALID_MULTI_PRIO_LUT |
BT_VALID_CORUN_LUT_20 |
BT_VALID_CORUN_LUT_40 |
BT_VALID_ANT_ISOLATION |
@@ -842,6 +841,11 @@ static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
lockdep_is_held(&mvm->mutex));
+
+ /* This can happen if the station has been removed right now */
+ if (IS_ERR_OR_NULL(sta))
+ return;
+
mvmsta = (void *)sta->drv_priv;
data->num_bss_ifaces++;
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index 6f45966817bb..b9b81e881dd0 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -895,7 +895,7 @@ static int iwl_mvm_get_last_nonqos_seq(struct iwl_mvm *mvm,
/* new API returns next, not last-used seqno */
if (mvm->fw->ucode_capa.flags &
IWL_UCODE_TLV_FLAGS_D3_CONTINUITY_API)
- err -= 0x10;
+ err = (u16) (err - 0x10);
}
iwl_free_resp(&cmd);
@@ -1549,7 +1549,7 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
if (gtkdata.unhandled_cipher)
return false;
if (!gtkdata.num_keys)
- return true;
+ goto out;
if (!gtkdata.last_gtk)
return false;
@@ -1600,6 +1600,7 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
(void *)&replay_ctr, GFP_KERNEL);
}
+out:
mvmvif->seqno_valid = true;
/* +0x10 because the set API expects next-to-use, not last-used */
mvmvif->seqno = le16_to_cpu(status->non_qos_seq_ctr) + 0x10;
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 9864d713eb2c..a8fe6b41f9a3 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -119,6 +119,10 @@ static ssize_t iwl_dbgfs_sta_drain_write(struct file *file,
if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
return -EINVAL;
+ if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
+ return -EINVAL;
+ if (drain < 0 || drain > 1)
+ return -EINVAL;
mutex_lock(&mvm->mutex);
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c
index 33cf56fdfc41..95ce4b601fef 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c
@@ -176,8 +176,11 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
* P2P Device discoveribility, while there are other higher priority
* events in the system).
*/
- if (WARN_ONCE(!le32_to_cpu(notif->status),
- "Failed to schedule time event\n")) {
+ if (!le32_to_cpu(notif->status)) {
+ bool start = le32_to_cpu(notif->action) &
+ TE_V2_NOTIF_HOST_EVENT_START;
+ IWL_WARN(mvm, "Time Event %s notification failure\n",
+ start ? "start" : "end");
if (iwl_mvm_te_check_disconnect(mvm, te_data->vif, NULL)) {
iwl_mvm_te_clear_data(mvm, te_data);
return;
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 941c0c88f982..e6272546395a 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -353,6 +353,33 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
/* 7265 Series */
{IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5110, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)},
+ {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)},
+ {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x9410, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5020, iwl7265_2n_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x502A, iwl7265_2n_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5420, iwl7265_2n_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5090, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5190, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5590, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095B, 0x5290, iwl7265_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x095A, 0x5490, iwl7265_2ac_cfg)},
#endif /* CONFIG_IWLMVM */
{0}
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index fa22639b63c9..051268c037b1 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -477,4 +477,12 @@ static inline bool iwl_is_rfkill_set(struct iwl_trans *trans)
CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
}
+static inline void iwl_nic_error(struct iwl_trans *trans)
+{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+
+ set_bit(STATUS_FW_ERROR, &trans_pcie->status);
+ iwl_op_mode_nic_error(trans->op_mode);
+}
+
#endif /* __iwl_trans_int_pcie_h__ */
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 3f237b42eb36..be3995afa9d0 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -489,6 +489,10 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq)
/* Set interrupt coalescing timer to default (2048 usecs) */
iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF);
+
+ /* W/A for interrupt coalescing bug in 7260 and 3160 */
+ if (trans->cfg->host_interrupt_operation_mode)
+ iwl_set_bit(trans, CSR_INT_COALESCING, IWL_HOST_INT_OPER_MODE);
}
static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq)
@@ -796,12 +800,13 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans)
iwl_pcie_dump_csr(trans);
iwl_dump_fh(trans, NULL);
+ /* set the ERROR bit before we wake up the caller */
set_bit(STATUS_FW_ERROR, &trans_pcie->status);
clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status);
wake_up(&trans_pcie->wait_command_queue);
local_bh_disable();
- iwl_op_mode_nic_error(trans->op_mode);
+ iwl_nic_error(trans);
local_bh_enable();
}
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 5d9337bec67a..cde9c16f6e4f 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -279,9 +279,6 @@ static int iwl_pcie_nic_init(struct iwl_trans *trans)
spin_lock_irqsave(&trans_pcie->irq_lock, flags);
iwl_pcie_apm_init(trans);
- /* Set interrupt coalescing calibration timer to default (512 usecs) */
- iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF);
-
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
iwl_pcie_set_pwr(trans, false);
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 059c5acad3a0..0adde919a258 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -207,7 +207,7 @@ static void iwl_pcie_txq_stuck_timer(unsigned long data)
IWL_ERR(trans, "scratch %d = 0x%08x\n", i,
le32_to_cpu(txq->scratchbufs[i].scratch));
- iwl_op_mode_nic_error(trans->op_mode);
+ iwl_nic_error(trans);
}
/*
@@ -1023,7 +1023,7 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx)
if (nfreed++ > 0) {
IWL_ERR(trans, "HCMD skipped: index (%d) %d %d\n",
idx, q->write_ptr, q->read_ptr);
- iwl_op_mode_nic_error(trans->op_mode);
+ iwl_nic_error(trans);
}
}
@@ -1562,7 +1562,7 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans,
get_cmd_string(trans_pcie, cmd->id));
ret = -ETIMEDOUT;
- iwl_op_mode_nic_error(trans->op_mode);
+ iwl_nic_error(trans);
goto cancel;
}
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 9df7bc91a26f..a1b32ee9594a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -383,6 +383,14 @@ struct hwsim_radiotap_hdr {
__le16 rt_chbitmask;
} __packed;
+struct hwsim_radiotap_ack_hdr {
+ struct ieee80211_radiotap_header hdr;
+ u8 rt_flags;
+ u8 pad;
+ __le16 rt_channel;
+ __le16 rt_chbitmask;
+} __packed;
+
/* MAC80211_HWSIM netlinf family */
static struct genl_family hwsim_genl_family = {
.id = GENL_ID_GENERATE,
@@ -500,7 +508,7 @@ static void mac80211_hwsim_monitor_ack(struct ieee80211_channel *chan,
const u8 *addr)
{
struct sk_buff *skb;
- struct hwsim_radiotap_hdr *hdr;
+ struct hwsim_radiotap_ack_hdr *hdr;
u16 flags;
struct ieee80211_hdr *hdr11;
@@ -511,14 +519,14 @@ static void mac80211_hwsim_monitor_ack(struct ieee80211_channel *chan,
if (skb == NULL)
return;
- hdr = (struct hwsim_radiotap_hdr *) skb_put(skb, sizeof(*hdr));
+ hdr = (struct hwsim_radiotap_ack_hdr *) skb_put(skb, sizeof(*hdr));
hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION;
hdr->hdr.it_pad = 0;
hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
(1 << IEEE80211_RADIOTAP_CHANNEL));
hdr->rt_flags = 0;
- hdr->rt_rate = 0;
+ hdr->pad = 0;
hdr->rt_channel = cpu_to_le16(chan->center_freq);
flags = IEEE80211_CHAN_2GHZ;
hdr->rt_chbitmask = cpu_to_le16(flags);
@@ -1230,7 +1238,7 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
HRTIMER_MODE_REL);
} else if (!info->enable_beacon) {
unsigned int count = 0;
- ieee80211_iterate_active_interfaces(
+ ieee80211_iterate_active_interfaces_atomic(
data->hw, IEEE80211_IFACE_ITER_NORMAL,
mac80211_hwsim_bcn_en_iter, &count);
wiphy_debug(hw->wiphy, " beaconing vifs remaining: %u",
@@ -2003,7 +2011,7 @@ static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2,
(hwsim_flags & HWSIM_TX_STAT_ACK)) {
if (skb->len >= 16) {
hdr = (struct ieee80211_hdr *) skb->data;
- mac80211_hwsim_monitor_ack(txi->rate_driver_data[0],
+ mac80211_hwsim_monitor_ack(data2->channel,
hdr->addr2);
}
txi->flags |= IEEE80211_TX_STAT_ACK;
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 78e8a6666cc6..8bb8988c435c 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -746,7 +746,8 @@ static struct net_device_stats *mwifiex_get_stats(struct net_device *dev)
}
static u16
-mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb)
+mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
skb->priority = cfg80211_classify8021d(skb);
return mwifiex_1d_to_wmm_queue[skb->priority];
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index c8e029df770e..a09398fe9e2a 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -319,8 +319,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
if (bss_desc && bss_desc->ssid.ssid_len &&
(!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
ssid, &bss_desc->ssid))) {
- kfree(bss_desc);
- return 0;
+ ret = 0;
+ goto done;
}
/* Exit Adhoc mode first */
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 0f494444bcd1..5a53195d016b 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -740,6 +740,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
};
int index = rtlpci->rx_ring[rx_queue_idx].idx;
+ if (rtlpci->driver_is_goingto_unload)
+ return;
/*RX NORMAL PKT */
while (count--) {
/*rx descriptor */
@@ -1636,6 +1638,7 @@ static void rtl_pci_stop(struct ieee80211_hw *hw)
*/
set_hal_stop(rtlhal);
+ rtlpci->driver_is_goingto_unload = true;
rtlpriv->cfg->ops->disable_interrupt(hw);
cancel_work_sync(&rtlpriv->works.lps_change_work);
@@ -1653,7 +1656,6 @@ static void rtl_pci_stop(struct ieee80211_hw *hw)
ppsc->rfchange_inprogress = true;
spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);
- rtlpci->driver_is_goingto_unload = true;
rtlpriv->cfg->ops->hw_disable(hw);
/* some things are not needed if firmware not available */
if (!rtlpriv->max_fw_size)
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 08ae01b41c83..c47794b9d42f 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -101,6 +101,13 @@ struct xenvif_rx_meta {
#define MAX_PENDING_REQS 256
+/* It's possible for an skb to have a maximal number of frags
+ * but still be less than MAX_BUFFER_OFFSET in size. Thus the
+ * worst-case number of copy operations is MAX_SKB_FRAGS per
+ * ring slot.
+ */
+#define MAX_GRANT_COPY_OPS (MAX_SKB_FRAGS * XEN_NETIF_RX_RING_SIZE)
+
struct xenvif {
/* Unique identifier for this interface. */
domid_t domid;
@@ -143,13 +150,13 @@ struct xenvif {
*/
RING_IDX rx_req_cons_peek;
- /* Given MAX_BUFFER_OFFSET of 4096 the worst case is that each
- * head/fragment page uses 2 copy operations because it
- * straddles two buffers in the frontend.
- */
- struct gnttab_copy grant_copy_op[2*XEN_NETIF_RX_RING_SIZE];
- struct xenvif_rx_meta meta[2*XEN_NETIF_RX_RING_SIZE];
+ /* This array is allocated seperately as it is large */
+ struct gnttab_copy *grant_copy_op;
+ /* We create one meta structure per ring request we consume, so
+ * the maximum number is the same as the ring size.
+ */
+ struct xenvif_rx_meta meta[XEN_NETIF_RX_RING_SIZE];
u8 fe_dev_addr[6];
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 2329cccf1fa6..fff8cddfed81 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -34,6 +34,7 @@
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
+#include <linux/vmalloc.h>
#include <xen/events.h>
#include <asm/xen/hypercall.h>
@@ -307,6 +308,15 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
SET_NETDEV_DEV(dev, parent);
vif = netdev_priv(dev);
+
+ vif->grant_copy_op = vmalloc(sizeof(struct gnttab_copy) *
+ MAX_GRANT_COPY_OPS);
+ if (vif->grant_copy_op == NULL) {
+ pr_warn("Could not allocate grant copy space for %s\n", name);
+ free_netdev(dev);
+ return ERR_PTR(-ENOMEM);
+ }
+
vif->domid = domid;
vif->handle = handle;
vif->can_sg = 1;
@@ -368,11 +378,11 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
unsigned long rx_ring_ref, unsigned int tx_evtchn,
unsigned int rx_evtchn)
{
+ struct task_struct *task;
int err = -ENOMEM;
- /* Already connected through? */
- if (vif->tx_irq)
- return 0;
+ BUG_ON(vif->tx_irq);
+ BUG_ON(vif->task);
err = xenvif_map_frontend_rings(vif, tx_ring_ref, rx_ring_ref);
if (err < 0)
@@ -411,14 +421,16 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
}
init_waitqueue_head(&vif->wq);
- vif->task = kthread_create(xenvif_kthread,
- (void *)vif, "%s", vif->dev->name);
- if (IS_ERR(vif->task)) {
+ task = kthread_create(xenvif_kthread,
+ (void *)vif, "%s", vif->dev->name);
+ if (IS_ERR(task)) {
pr_warn("Could not allocate kthread for %s\n", vif->dev->name);
- err = PTR_ERR(vif->task);
+ err = PTR_ERR(task);
goto err_rx_unbind;
}
+ vif->task = task;
+
rtnl_lock();
if (!vif->can_sg && vif->dev->mtu > ETH_DATA_LEN)
dev_set_mtu(vif->dev, ETH_DATA_LEN);
@@ -461,8 +473,10 @@ void xenvif_disconnect(struct xenvif *vif)
if (netif_carrier_ok(vif->dev))
xenvif_carrier_off(vif);
- if (vif->task)
+ if (vif->task) {
kthread_stop(vif->task);
+ vif->task = NULL;
+ }
if (vif->tx_irq) {
if (vif->tx_irq == vif->rx_irq)
@@ -483,6 +497,7 @@ void xenvif_free(struct xenvif *vif)
unregister_netdev(vif->dev);
+ vfree(vif->grant_copy_op);
free_netdev(vif->dev);
module_put(THIS_MODULE);
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 919b6509455c..78425554a537 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -39,6 +39,7 @@
#include <linux/udp.h>
#include <net/tcp.h>
+#include <net/ip6_checksum.h>
#include <xen/xen.h>
#include <xen/events.h>
@@ -451,7 +452,7 @@ static int xenvif_gop_skb(struct sk_buff *skb,
}
/* Set up a GSO prefix descriptor, if necessary */
- if ((1 << skb_shinfo(skb)->gso_type) & vif->gso_prefix_mask) {
+ if ((1 << gso_type) & vif->gso_prefix_mask) {
req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++);
meta = npo->meta + npo->meta_prod++;
meta->gso_type = gso_type;
@@ -607,7 +608,7 @@ void xenvif_rx_action(struct xenvif *vif)
if (!npo.copy_prod)
return;
- BUG_ON(npo.copy_prod > ARRAY_SIZE(vif->grant_copy_op));
+ BUG_ON(npo.copy_prod > MAX_GRANT_COPY_OPS);
gnttab_batch_copy(vif->grant_copy_op, npo.copy_prod);
while ((skb = __skb_dequeue(&rxq)) != NULL) {
@@ -1148,75 +1149,99 @@ static int xenvif_set_skb_gso(struct xenvif *vif,
return 0;
}
-static inline void maybe_pull_tail(struct sk_buff *skb, unsigned int len)
+static inline int maybe_pull_tail(struct sk_buff *skb, unsigned int len,
+ unsigned int max)
{
- if (skb_is_nonlinear(skb) && skb_headlen(skb) < len) {
- /* If we need to pullup then pullup to the max, so we
- * won't need to do it again.
- */
- int target = min_t(int, skb->len, MAX_TCP_HEADER);
- __pskb_pull_tail(skb, target - skb_headlen(skb));
- }
+ if (skb_headlen(skb) >= len)
+ return 0;
+
+ /* If we need to pullup then pullup to the max, so we
+ * won't need to do it again.
+ */
+ if (max > skb->len)
+ max = skb->len;
+
+ if (__pskb_pull_tail(skb, max - skb_headlen(skb)) == NULL)
+ return -ENOMEM;
+
+ if (skb_headlen(skb) < len)
+ return -EPROTO;
+
+ return 0;
}
+/* This value should be large enough to cover a tagged ethernet header plus
+ * maximally sized IP and TCP or UDP headers.
+ */
+#define MAX_IP_HDR_LEN 128
+
static int checksum_setup_ip(struct xenvif *vif, struct sk_buff *skb,
int recalculate_partial_csum)
{
- struct iphdr *iph = (void *)skb->data;
- unsigned int header_size;
unsigned int off;
- int err = -EPROTO;
+ bool fragment;
+ int err;
- off = sizeof(struct iphdr);
+ fragment = false;
- header_size = skb->network_header + off + MAX_IPOPTLEN;
- maybe_pull_tail(skb, header_size);
+ err = maybe_pull_tail(skb,
+ sizeof(struct iphdr),
+ MAX_IP_HDR_LEN);
+ if (err < 0)
+ goto out;
- off = iph->ihl * 4;
+ if (ip_hdr(skb)->frag_off & htons(IP_OFFSET | IP_MF))
+ fragment = true;
- switch (iph->protocol) {
- case IPPROTO_TCP:
- if (!skb_partial_csum_set(skb, off,
- offsetof(struct tcphdr, check)))
- goto out;
+ off = ip_hdrlen(skb);
- if (recalculate_partial_csum) {
- struct tcphdr *tcph = tcp_hdr(skb);
+ err = -EPROTO;
+
+ if (fragment)
+ goto out;
- header_size = skb->network_header +
- off +
- sizeof(struct tcphdr);
- maybe_pull_tail(skb, header_size);
+ switch (ip_hdr(skb)->protocol) {
+ case IPPROTO_TCP:
+ err = maybe_pull_tail(skb,
+ off + sizeof(struct tcphdr),
+ MAX_IP_HDR_LEN);
+ if (err < 0)
+ goto out;
- tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
- skb->len - off,
- IPPROTO_TCP, 0);
+ if (!skb_partial_csum_set(skb, off,
+ offsetof(struct tcphdr, check))) {
+ err = -EPROTO;
+ goto out;
}
+
+ if (recalculate_partial_csum)
+ tcp_hdr(skb)->check =
+ ~csum_tcpudp_magic(ip_hdr(skb)->saddr,
+ ip_hdr(skb)->daddr,
+ skb->len - off,
+ IPPROTO_TCP, 0);
break;
case IPPROTO_UDP:
- if (!skb_partial_csum_set(skb, off,
- offsetof(struct udphdr, check)))
+ err = maybe_pull_tail(skb,
+ off + sizeof(struct udphdr),
+ MAX_IP_HDR_LEN);
+ if (err < 0)
goto out;
- if (recalculate_partial_csum) {
- struct udphdr *udph = udp_hdr(skb);
-
- header_size = skb->network_header +
- off +
- sizeof(struct udphdr);
- maybe_pull_tail(skb, header_size);
-
- udph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
- skb->len - off,
- IPPROTO_UDP, 0);
+ if (!skb_partial_csum_set(skb, off,
+ offsetof(struct udphdr, check))) {
+ err = -EPROTO;
+ goto out;
}
+
+ if (recalculate_partial_csum)
+ udp_hdr(skb)->check =
+ ~csum_tcpudp_magic(ip_hdr(skb)->saddr,
+ ip_hdr(skb)->daddr,
+ skb->len - off,
+ IPPROTO_UDP, 0);
break;
default:
- if (net_ratelimit())
- netdev_err(vif->dev,
- "Attempting to checksum a non-TCP/UDP packet, "
- "dropping a protocol %d packet\n",
- iph->protocol);
goto out;
}
@@ -1226,121 +1251,142 @@ out:
return err;
}
+/* This value should be large enough to cover a tagged ethernet header plus
+ * an IPv6 header, all options, and a maximal TCP or UDP header.
+ */
+#define MAX_IPV6_HDR_LEN 256
+
+#define OPT_HDR(type, skb, off) \
+ (type *)(skb_network_header(skb) + (off))
+
static int checksum_setup_ipv6(struct xenvif *vif, struct sk_buff *skb,
int recalculate_partial_csum)
{
- int err = -EPROTO;
- struct ipv6hdr *ipv6h = (void *)skb->data;
+ int err;
u8 nexthdr;
- unsigned int header_size;
unsigned int off;
+ unsigned int len;
bool fragment;
bool done;
+ fragment = false;
done = false;
off = sizeof(struct ipv6hdr);
- header_size = skb->network_header + off;
- maybe_pull_tail(skb, header_size);
+ err = maybe_pull_tail(skb, off, MAX_IPV6_HDR_LEN);
+ if (err < 0)
+ goto out;
- nexthdr = ipv6h->nexthdr;
+ nexthdr = ipv6_hdr(skb)->nexthdr;
- while ((off <= sizeof(struct ipv6hdr) + ntohs(ipv6h->payload_len)) &&
- !done) {
+ len = sizeof(struct ipv6hdr) + ntohs(ipv6_hdr(skb)->payload_len);
+ while (off <= len && !done) {
switch (nexthdr) {
case IPPROTO_DSTOPTS:
case IPPROTO_HOPOPTS:
case IPPROTO_ROUTING: {
- struct ipv6_opt_hdr *hp = (void *)(skb->data + off);
+ struct ipv6_opt_hdr *hp;
- header_size = skb->network_header +
- off +
- sizeof(struct ipv6_opt_hdr);
- maybe_pull_tail(skb, header_size);
+ err = maybe_pull_tail(skb,
+ off +
+ sizeof(struct ipv6_opt_hdr),
+ MAX_IPV6_HDR_LEN);
+ if (err < 0)
+ goto out;
+ hp = OPT_HDR(struct ipv6_opt_hdr, skb, off);
nexthdr = hp->nexthdr;
off += ipv6_optlen(hp);
break;
}
case IPPROTO_AH: {
- struct ip_auth_hdr *hp = (void *)(skb->data + off);
+ struct ip_auth_hdr *hp;
- header_size = skb->network_header +
- off +
- sizeof(struct ip_auth_hdr);
- maybe_pull_tail(skb, header_size);
+ err = maybe_pull_tail(skb,
+ off +
+ sizeof(struct ip_auth_hdr),
+ MAX_IPV6_HDR_LEN);
+ if (err < 0)
+ goto out;
+ hp = OPT_HDR(struct ip_auth_hdr, skb, off);
nexthdr = hp->nexthdr;
- off += (hp->hdrlen+2)<<2;
+ off += ipv6_authlen(hp);
+ break;
+ }
+ case IPPROTO_FRAGMENT: {
+ struct frag_hdr *hp;
+
+ err = maybe_pull_tail(skb,
+ off +
+ sizeof(struct frag_hdr),
+ MAX_IPV6_HDR_LEN);
+ if (err < 0)
+ goto out;
+
+ hp = OPT_HDR(struct frag_hdr, skb, off);
+
+ if (hp->frag_off & htons(IP6_OFFSET | IP6_MF))
+ fragment = true;
+
+ nexthdr = hp->nexthdr;
+ off += sizeof(struct frag_hdr);
break;
}
- case IPPROTO_FRAGMENT:
- fragment = true;
- /* fall through */
default:
done = true;
break;
}
}
- if (!done) {
- if (net_ratelimit())
- netdev_err(vif->dev, "Failed to parse packet header\n");
- goto out;
- }
+ err = -EPROTO;
- if (fragment) {
- if (net_ratelimit())
- netdev_err(vif->dev, "Packet is a fragment!\n");
+ if (!done || fragment)
goto out;
- }
switch (nexthdr) {
case IPPROTO_TCP:
- if (!skb_partial_csum_set(skb, off,
- offsetof(struct tcphdr, check)))
+ err = maybe_pull_tail(skb,
+ off + sizeof(struct tcphdr),
+ MAX_IPV6_HDR_LEN);
+ if (err < 0)
goto out;
- if (recalculate_partial_csum) {
- struct tcphdr *tcph = tcp_hdr(skb);
-
- header_size = skb->network_header +
- off +
- sizeof(struct tcphdr);
- maybe_pull_tail(skb, header_size);
-
- tcph->check = ~csum_ipv6_magic(&ipv6h->saddr,
- &ipv6h->daddr,
- skb->len - off,
- IPPROTO_TCP, 0);
+ if (!skb_partial_csum_set(skb, off,
+ offsetof(struct tcphdr, check))) {
+ err = -EPROTO;
+ goto out;
}
+
+ if (recalculate_partial_csum)
+ tcp_hdr(skb)->check =
+ ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+ &ipv6_hdr(skb)->daddr,
+ skb->len - off,
+ IPPROTO_TCP, 0);
break;
case IPPROTO_UDP:
- if (!skb_partial_csum_set(skb, off,
- offsetof(struct udphdr, check)))
+ err = maybe_pull_tail(skb,
+ off + sizeof(struct udphdr),
+ MAX_IPV6_HDR_LEN);
+ if (err < 0)
goto out;
- if (recalculate_partial_csum) {
- struct udphdr *udph = udp_hdr(skb);
-
- header_size = skb->network_header +
- off +
- sizeof(struct udphdr);
- maybe_pull_tail(skb, header_size);
-
- udph->check = ~csum_ipv6_magic(&ipv6h->saddr,
- &ipv6h->daddr,
- skb->len - off,
- IPPROTO_UDP, 0);
+ if (!skb_partial_csum_set(skb, off,
+ offsetof(struct udphdr, check))) {
+ err = -EPROTO;
+ goto out;
}
+
+ if (recalculate_partial_csum)
+ udp_hdr(skb)->check =
+ ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+ &ipv6_hdr(skb)->daddr,
+ skb->len - off,
+ IPPROTO_UDP, 0);
break;
default:
- if (net_ratelimit())
- netdev_err(vif->dev,
- "Attempting to checksum a non-TCP/UDP packet, "
- "dropping a protocol %d packet\n",
- nexthdr);
goto out;
}
@@ -1410,14 +1456,15 @@ static bool tx_credit_exceeded(struct xenvif *vif, unsigned size)
return false;
}
-static unsigned xenvif_tx_build_gops(struct xenvif *vif)
+static unsigned xenvif_tx_build_gops(struct xenvif *vif, int budget)
{
struct gnttab_copy *gop = vif->tx_copy_ops, *request_gop;
struct sk_buff *skb;
int ret;
while ((nr_pending_reqs(vif) + XEN_NETBK_LEGACY_SLOTS_MAX
- < MAX_PENDING_REQS)) {
+ < MAX_PENDING_REQS) &&
+ (skb_queue_len(&vif->tx_queue) < budget)) {
struct xen_netif_tx_request txreq;
struct xen_netif_tx_request txfrags[XEN_NETBK_LEGACY_SLOTS_MAX];
struct page *page;
@@ -1439,7 +1486,7 @@ static unsigned xenvif_tx_build_gops(struct xenvif *vif)
continue;
}
- RING_FINAL_CHECK_FOR_REQUESTS(&vif->tx, work_to_do);
+ work_to_do = RING_HAS_UNCONSUMED_REQUESTS(&vif->tx);
if (!work_to_do)
break;
@@ -1579,14 +1626,13 @@ static unsigned xenvif_tx_build_gops(struct xenvif *vif)
}
-static int xenvif_tx_submit(struct xenvif *vif, int budget)
+static int xenvif_tx_submit(struct xenvif *vif)
{
struct gnttab_copy *gop = vif->tx_copy_ops;
struct sk_buff *skb;
int work_done = 0;
- while (work_done < budget &&
- (skb = __skb_dequeue(&vif->tx_queue)) != NULL) {
+ while ((skb = __skb_dequeue(&vif->tx_queue)) != NULL) {
struct xen_netif_tx_request *txp;
u16 pending_idx;
unsigned data_len;
@@ -1661,14 +1707,14 @@ int xenvif_tx_action(struct xenvif *vif, int budget)
if (unlikely(!tx_work_todo(vif)))
return 0;
- nr_gops = xenvif_tx_build_gops(vif);
+ nr_gops = xenvif_tx_build_gops(vif, budget);
if (nr_gops == 0)
return 0;
gnttab_batch_copy(vif->tx_copy_ops, nr_gops);
- work_done = xenvif_tx_submit(vif, nr_gops);
+ work_done = xenvif_tx_submit(vif);
return work_done;
}
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index 1cb6e51e6bda..170e8e60cdb7 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -141,6 +141,24 @@ void ntb_unregister_event_callback(struct ntb_device *ndev)
ndev->event_cb = NULL;
}
+static void ntb_irq_work(unsigned long data)
+{
+ struct ntb_db_cb *db_cb = (struct ntb_db_cb *)data;
+ int rc;
+
+ rc = db_cb->callback(db_cb->data, db_cb->db_num);
+ if (rc)
+ tasklet_schedule(&db_cb->irq_work);
+ else {
+ struct ntb_device *ndev = db_cb->ndev;
+ unsigned long mask;
+
+ mask = readw(ndev->reg_ofs.ldb_mask);
+ clear_bit(db_cb->db_num * ndev->bits_per_vector, &mask);
+ writew(mask, ndev->reg_ofs.ldb_mask);
+ }
+}
+
/**
* ntb_register_db_callback() - register a callback for doorbell interrupt
* @ndev: pointer to ntb_device instance
@@ -155,7 +173,7 @@ void ntb_unregister_event_callback(struct ntb_device *ndev)
* RETURNS: An appropriate -ERRNO error value on error, or zero for success.
*/
int ntb_register_db_callback(struct ntb_device *ndev, unsigned int idx,
- void *data, void (*func)(void *data, int db_num))
+ void *data, int (*func)(void *data, int db_num))
{
unsigned long mask;
@@ -166,6 +184,10 @@ int ntb_register_db_callback(struct ntb_device *ndev, unsigned int idx,
ndev->db_cb[idx].callback = func;
ndev->db_cb[idx].data = data;
+ ndev->db_cb[idx].ndev = ndev;
+
+ tasklet_init(&ndev->db_cb[idx].irq_work, ntb_irq_work,
+ (unsigned long) &ndev->db_cb[idx]);
/* unmask interrupt */
mask = readw(ndev->reg_ofs.ldb_mask);
@@ -194,6 +216,8 @@ void ntb_unregister_db_callback(struct ntb_device *ndev, unsigned int idx)
set_bit(idx * ndev->bits_per_vector, &mask);
writew(mask, ndev->reg_ofs.ldb_mask);
+ tasklet_disable(&ndev->db_cb[idx].irq_work);
+
ndev->db_cb[idx].callback = NULL;
}
@@ -678,6 +702,7 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
return -EINVAL;
ndev->limits.max_mw = SNB_ERRATA_MAX_MW;
+ ndev->limits.max_db_bits = SNB_MAX_DB_BITS;
ndev->reg_ofs.spad_write = ndev->mw[1].vbase +
SNB_SPAD_OFFSET;
ndev->reg_ofs.rdb = ndev->mw[1].vbase +
@@ -688,8 +713,21 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
*/
writeq(ndev->mw[1].bar_sz + 0x1000, ndev->reg_base +
SNB_PBAR4LMT_OFFSET);
+ /* HW errata on the Limit registers. They can only be
+ * written when the base register is 4GB aligned and
+ * < 32bit. This should already be the case based on the
+ * driver defaults, but write the Limit registers first
+ * just in case.
+ */
} else {
ndev->limits.max_mw = SNB_MAX_MW;
+
+ /* HW Errata on bit 14 of b2bdoorbell register. Writes
+ * will not be mirrored to the remote system. Shrink
+ * the number of bits by one, since bit 14 is the last
+ * bit.
+ */
+ ndev->limits.max_db_bits = SNB_MAX_DB_BITS - 1;
ndev->reg_ofs.spad_write = ndev->reg_base +
SNB_B2B_SPAD_OFFSET;
ndev->reg_ofs.rdb = ndev->reg_base +
@@ -699,6 +737,12 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
* something silly
*/
writeq(0, ndev->reg_base + SNB_PBAR4LMT_OFFSET);
+ /* HW errata on the Limit registers. They can only be
+ * written when the base register is 4GB aligned and
+ * < 32bit. This should already be the case based on the
+ * driver defaults, but write the Limit registers first
+ * just in case.
+ */
}
/* The Xeon errata workaround requires setting SBAR Base
@@ -769,6 +813,7 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
* have an equal amount.
*/
ndev->limits.max_spads = SNB_MAX_COMPAT_SPADS / 2;
+ ndev->limits.max_db_bits = SNB_MAX_DB_BITS;
/* Note: The SDOORBELL is the cause of the errata. You REALLY
* don't want to touch it.
*/
@@ -793,6 +838,7 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
* have an equal amount.
*/
ndev->limits.max_spads = SNB_MAX_COMPAT_SPADS / 2;
+ ndev->limits.max_db_bits = SNB_MAX_DB_BITS;
ndev->reg_ofs.rdb = ndev->reg_base + SNB_PDOORBELL_OFFSET;
ndev->reg_ofs.ldb = ndev->reg_base + SNB_SDOORBELL_OFFSET;
ndev->reg_ofs.ldb_mask = ndev->reg_base + SNB_SDBMSK_OFFSET;
@@ -819,7 +865,6 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
ndev->reg_ofs.lnk_stat = ndev->reg_base + SNB_SLINK_STATUS_OFFSET;
ndev->reg_ofs.spci_cmd = ndev->reg_base + SNB_PCICMD_OFFSET;
- ndev->limits.max_db_bits = SNB_MAX_DB_BITS;
ndev->limits.msix_cnt = SNB_MSIX_CNT;
ndev->bits_per_vector = SNB_DB_BITS_PER_VEC;
@@ -934,12 +979,16 @@ static irqreturn_t bwd_callback_msix_irq(int irq, void *data)
{
struct ntb_db_cb *db_cb = data;
struct ntb_device *ndev = db_cb->ndev;
+ unsigned long mask;
dev_dbg(&ndev->pdev->dev, "MSI-X irq %d received for DB %d\n", irq,
db_cb->db_num);
- if (db_cb->callback)
- db_cb->callback(db_cb->data, db_cb->db_num);
+ mask = readw(ndev->reg_ofs.ldb_mask);
+ set_bit(db_cb->db_num * ndev->bits_per_vector, &mask);
+ writew(mask, ndev->reg_ofs.ldb_mask);
+
+ tasklet_schedule(&db_cb->irq_work);
/* No need to check for the specific HB irq, any interrupt means
* we're connected.
@@ -955,12 +1004,16 @@ static irqreturn_t xeon_callback_msix_irq(int irq, void *data)
{
struct ntb_db_cb *db_cb = data;
struct ntb_device *ndev = db_cb->ndev;
+ unsigned long mask;
dev_dbg(&ndev->pdev->dev, "MSI-X irq %d received for DB %d\n", irq,
db_cb->db_num);
- if (db_cb->callback)
- db_cb->callback(db_cb->data, db_cb->db_num);
+ mask = readw(ndev->reg_ofs.ldb_mask);
+ set_bit(db_cb->db_num * ndev->bits_per_vector, &mask);
+ writew(mask, ndev->reg_ofs.ldb_mask);
+
+ tasklet_schedule(&db_cb->irq_work);
/* On Sandybridge, there are 16 bits in the interrupt register
* but only 4 vectors. So, 5 bits are assigned to the first 3
@@ -986,7 +1039,7 @@ static irqreturn_t xeon_event_msix_irq(int irq, void *dev)
dev_err(&ndev->pdev->dev, "Error determining link status\n");
/* bit 15 is always the link bit */
- writew(1 << ndev->limits.max_db_bits, ndev->reg_ofs.ldb);
+ writew(1 << SNB_LINK_DB, ndev->reg_ofs.ldb);
return IRQ_HANDLED;
}
@@ -1075,6 +1128,10 @@ static int ntb_setup_msix(struct ntb_device *ndev)
"Only %d MSI-X vectors. Limiting the number of queues to that number.\n",
rc);
msix_entries = rc;
+
+ rc = pci_enable_msix(pdev, ndev->msix_entries, msix_entries);
+ if (rc)
+ goto err1;
}
for (i = 0; i < msix_entries; i++) {
@@ -1176,9 +1233,10 @@ static int ntb_setup_interrupts(struct ntb_device *ndev)
*/
if (ndev->hw_type == BWD_HW)
writeq(~0, ndev->reg_ofs.ldb_mask);
- else
- writew(~(1 << ndev->limits.max_db_bits),
- ndev->reg_ofs.ldb_mask);
+ else {
+ u16 var = 1 << SNB_LINK_DB;
+ writew(~var, ndev->reg_ofs.ldb_mask);
+ }
rc = ntb_setup_msix(ndev);
if (!rc)
@@ -1286,6 +1344,39 @@ static void ntb_free_debugfs(struct ntb_device *ndev)
}
}
+static void ntb_hw_link_up(struct ntb_device *ndev)
+{
+ if (ndev->conn_type == NTB_CONN_TRANSPARENT)
+ ntb_link_event(ndev, NTB_LINK_UP);
+ else {
+ u32 ntb_cntl;
+
+ /* Let's bring the NTB link up */
+ ntb_cntl = readl(ndev->reg_ofs.lnk_cntl);
+ ntb_cntl &= ~(NTB_CNTL_LINK_DISABLE | NTB_CNTL_CFG_LOCK);
+ ntb_cntl |= NTB_CNTL_P2S_BAR23_SNOOP | NTB_CNTL_S2P_BAR23_SNOOP;
+ ntb_cntl |= NTB_CNTL_P2S_BAR45_SNOOP | NTB_CNTL_S2P_BAR45_SNOOP;
+ writel(ntb_cntl, ndev->reg_ofs.lnk_cntl);
+ }
+}
+
+static void ntb_hw_link_down(struct ntb_device *ndev)
+{
+ u32 ntb_cntl;
+
+ if (ndev->conn_type == NTB_CONN_TRANSPARENT) {
+ ntb_link_event(ndev, NTB_LINK_DOWN);
+ return;
+ }
+
+ /* Bring NTB link down */
+ ntb_cntl = readl(ndev->reg_ofs.lnk_cntl);
+ ntb_cntl &= ~(NTB_CNTL_P2S_BAR23_SNOOP | NTB_CNTL_S2P_BAR23_SNOOP);
+ ntb_cntl &= ~(NTB_CNTL_P2S_BAR45_SNOOP | NTB_CNTL_S2P_BAR45_SNOOP);
+ ntb_cntl |= NTB_CNTL_LINK_DISABLE | NTB_CNTL_CFG_LOCK;
+ writel(ntb_cntl, ndev->reg_ofs.lnk_cntl);
+}
+
static int ntb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct ntb_device *ndev;
@@ -1374,9 +1465,7 @@ static int ntb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (rc)
goto err6;
- /* Let's bring the NTB link up */
- writel(NTB_CNTL_BAR23_SNOOP | NTB_CNTL_BAR45_SNOOP,
- ndev->reg_ofs.lnk_cntl);
+ ntb_hw_link_up(ndev);
return 0;
@@ -1406,12 +1495,8 @@ static void ntb_pci_remove(struct pci_dev *pdev)
{
struct ntb_device *ndev = pci_get_drvdata(pdev);
int i;
- u32 ntb_cntl;
- /* Bring NTB link down */
- ntb_cntl = readl(ndev->reg_ofs.lnk_cntl);
- ntb_cntl |= NTB_CNTL_LINK_DISABLE;
- writel(ntb_cntl, ndev->reg_ofs.lnk_cntl);
+ ntb_hw_link_down(ndev);
ntb_transport_free(ndev->ntb_transport);
diff --git a/drivers/ntb/ntb_hw.h b/drivers/ntb/ntb_hw.h
index 0a31cedae7d4..bbdb7edca10c 100644
--- a/drivers/ntb/ntb_hw.h
+++ b/drivers/ntb/ntb_hw.h
@@ -106,10 +106,11 @@ struct ntb_mw {
};
struct ntb_db_cb {
- void (*callback) (void *data, int db_num);
+ int (*callback)(void *data, int db_num);
unsigned int db_num;
void *data;
struct ntb_device *ndev;
+ struct tasklet_struct irq_work;
};
struct ntb_device {
@@ -228,8 +229,8 @@ struct ntb_device *ntb_register_transport(struct pci_dev *pdev,
void ntb_unregister_transport(struct ntb_device *ndev);
void ntb_set_mw_addr(struct ntb_device *ndev, unsigned int mw, u64 addr);
int ntb_register_db_callback(struct ntb_device *ndev, unsigned int idx,
- void *data, void (*db_cb_func) (void *data,
- int db_num));
+ void *data, int (*db_cb_func)(void *data,
+ int db_num));
void ntb_unregister_db_callback(struct ntb_device *ndev, unsigned int idx);
int ntb_register_event_callback(struct ntb_device *ndev,
void (*event_cb_func) (void *handle,
diff --git a/drivers/ntb/ntb_regs.h b/drivers/ntb/ntb_regs.h
index aa4bdd393c58..9774506419d7 100644
--- a/drivers/ntb/ntb_regs.h
+++ b/drivers/ntb/ntb_regs.h
@@ -55,6 +55,7 @@
#define SNB_MAX_COMPAT_SPADS 16
/* Reserve the uppermost bit for link interrupt */
#define SNB_MAX_DB_BITS 15
+#define SNB_LINK_DB 15
#define SNB_DB_BITS_PER_VEC 5
#define SNB_MAX_MW 2
#define SNB_ERRATA_MAX_MW 1
@@ -75,9 +76,6 @@
#define SNB_SBAR2XLAT_OFFSET 0x0030
#define SNB_SBAR4XLAT_OFFSET 0x0038
#define SNB_SBAR0BASE_OFFSET 0x0040
-#define SNB_SBAR0BASE_OFFSET 0x0040
-#define SNB_SBAR2BASE_OFFSET 0x0048
-#define SNB_SBAR4BASE_OFFSET 0x0050
#define SNB_SBAR2BASE_OFFSET 0x0048
#define SNB_SBAR4BASE_OFFSET 0x0050
#define SNB_NTBCNTL_OFFSET 0x0058
@@ -145,11 +143,13 @@
#define BWD_LTSSMSTATEJMP_FORCEDETECT (1 << 2)
#define BWD_IBIST_ERR_OFLOW 0x7FFF7FFF
-#define NTB_CNTL_CFG_LOCK (1 << 0)
-#define NTB_CNTL_LINK_DISABLE (1 << 1)
-#define NTB_CNTL_BAR23_SNOOP (1 << 2)
-#define NTB_CNTL_BAR45_SNOOP (1 << 6)
-#define BWD_CNTL_LINK_DOWN (1 << 16)
+#define NTB_CNTL_CFG_LOCK (1 << 0)
+#define NTB_CNTL_LINK_DISABLE (1 << 1)
+#define NTB_CNTL_S2P_BAR23_SNOOP (1 << 2)
+#define NTB_CNTL_P2S_BAR23_SNOOP (1 << 4)
+#define NTB_CNTL_S2P_BAR45_SNOOP (1 << 6)
+#define NTB_CNTL_P2S_BAR45_SNOOP (1 << 8)
+#define BWD_CNTL_LINK_DOWN (1 << 16)
#define NTB_PPD_OFFSET 0x00D4
#define SNB_PPD_CONN_TYPE 0x0003
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index d0222f13d154..3217f394d45b 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -119,7 +119,6 @@ struct ntb_transport_qp {
void (*rx_handler) (struct ntb_transport_qp *qp, void *qp_data,
void *data, int len);
- struct tasklet_struct rx_work;
struct list_head rx_pend_q;
struct list_head rx_free_q;
spinlock_t ntb_rx_pend_q_lock;
@@ -584,11 +583,8 @@ static int ntb_set_mw(struct ntb_transport *nt, int num_mw, unsigned int size)
return 0;
}
-static void ntb_qp_link_cleanup(struct work_struct *work)
+static void ntb_qp_link_cleanup(struct ntb_transport_qp *qp)
{
- struct ntb_transport_qp *qp = container_of(work,
- struct ntb_transport_qp,
- link_cleanup);
struct ntb_transport *nt = qp->transport;
struct pci_dev *pdev = ntb_query_pdev(nt->ndev);
@@ -602,6 +598,16 @@ static void ntb_qp_link_cleanup(struct work_struct *work)
dev_info(&pdev->dev, "qp %d: Link Down\n", qp->qp_num);
qp->qp_link = NTB_LINK_DOWN;
+}
+
+static void ntb_qp_link_cleanup_work(struct work_struct *work)
+{
+ struct ntb_transport_qp *qp = container_of(work,
+ struct ntb_transport_qp,
+ link_cleanup);
+ struct ntb_transport *nt = qp->transport;
+
+ ntb_qp_link_cleanup(qp);
if (nt->transport_link == NTB_LINK_UP)
schedule_delayed_work(&qp->link_work,
@@ -613,22 +619,20 @@ static void ntb_qp_link_down(struct ntb_transport_qp *qp)
schedule_work(&qp->link_cleanup);
}
-static void ntb_transport_link_cleanup(struct work_struct *work)
+static void ntb_transport_link_cleanup(struct ntb_transport *nt)
{
- struct ntb_transport *nt = container_of(work, struct ntb_transport,
- link_cleanup);
int i;
+ /* Pass along the info to any clients */
+ for (i = 0; i < nt->max_qps; i++)
+ if (!test_bit(i, &nt->qp_bitmap))
+ ntb_qp_link_cleanup(&nt->qps[i]);
+
if (nt->transport_link == NTB_LINK_DOWN)
cancel_delayed_work_sync(&nt->link_work);
else
nt->transport_link = NTB_LINK_DOWN;
- /* Pass along the info to any clients */
- for (i = 0; i < nt->max_qps; i++)
- if (!test_bit(i, &nt->qp_bitmap))
- ntb_qp_link_down(&nt->qps[i]);
-
/* The scratchpad registers keep the values if the remote side
* goes down, blast them now to give them a sane value the next
* time they are accessed
@@ -637,6 +641,14 @@ static void ntb_transport_link_cleanup(struct work_struct *work)
ntb_write_local_spad(nt->ndev, i, 0);
}
+static void ntb_transport_link_cleanup_work(struct work_struct *work)
+{
+ struct ntb_transport *nt = container_of(work, struct ntb_transport,
+ link_cleanup);
+
+ ntb_transport_link_cleanup(nt);
+}
+
static void ntb_transport_event_callback(void *data, enum ntb_hw_event event)
{
struct ntb_transport *nt = data;
@@ -880,7 +892,7 @@ static int ntb_transport_init_queue(struct ntb_transport *nt,
}
INIT_DELAYED_WORK(&qp->link_work, ntb_qp_link_work);
- INIT_WORK(&qp->link_cleanup, ntb_qp_link_cleanup);
+ INIT_WORK(&qp->link_cleanup, ntb_qp_link_cleanup_work);
spin_lock_init(&qp->ntb_rx_pend_q_lock);
spin_lock_init(&qp->ntb_rx_free_q_lock);
@@ -936,7 +948,7 @@ int ntb_transport_init(struct pci_dev *pdev)
}
INIT_DELAYED_WORK(&nt->link_work, ntb_transport_link_work);
- INIT_WORK(&nt->link_cleanup, ntb_transport_link_cleanup);
+ INIT_WORK(&nt->link_cleanup, ntb_transport_link_cleanup_work);
rc = ntb_register_event_callback(nt->ndev,
ntb_transport_event_callback);
@@ -972,7 +984,7 @@ void ntb_transport_free(void *transport)
struct ntb_device *ndev = nt->ndev;
int i;
- nt->transport_link = NTB_LINK_DOWN;
+ ntb_transport_link_cleanup(nt);
/* verify that all the qp's are freed */
for (i = 0; i < nt->max_qps; i++) {
@@ -1188,11 +1200,14 @@ err:
goto out;
}
-static void ntb_transport_rx(unsigned long data)
+static int ntb_transport_rxc_db(void *data, int db_num)
{
- struct ntb_transport_qp *qp = (struct ntb_transport_qp *)data;
+ struct ntb_transport_qp *qp = data;
int rc, i;
+ dev_dbg(&ntb_query_pdev(qp->ndev)->dev, "%s: doorbell %d received\n",
+ __func__, db_num);
+
/* Limit the number of packets processed in a single interrupt to
* provide fairness to others
*/
@@ -1204,16 +1219,8 @@ static void ntb_transport_rx(unsigned long data)
if (qp->dma_chan)
dma_async_issue_pending(qp->dma_chan);
-}
-
-static void ntb_transport_rxc_db(void *data, int db_num)
-{
- struct ntb_transport_qp *qp = data;
-
- dev_dbg(&ntb_query_pdev(qp->ndev)->dev, "%s: doorbell %d received\n",
- __func__, db_num);
- tasklet_schedule(&qp->rx_work);
+ return i;
}
static void ntb_tx_copy_callback(void *data)
@@ -1432,11 +1439,12 @@ ntb_transport_create_queue(void *data, struct pci_dev *pdev,
qp->tx_handler = handlers->tx_handler;
qp->event_handler = handlers->event_handler;
+ dmaengine_get();
qp->dma_chan = dma_find_channel(DMA_MEMCPY);
- if (!qp->dma_chan)
+ if (!qp->dma_chan) {
+ dmaengine_put();
dev_info(&pdev->dev, "Unable to allocate DMA channel, using CPU instead\n");
- else
- dmaengine_get();
+ }
for (i = 0; i < NTB_QP_DEF_NUM_ENTRIES; i++) {
entry = kzalloc(sizeof(struct ntb_queue_entry), GFP_ATOMIC);
@@ -1458,25 +1466,23 @@ ntb_transport_create_queue(void *data, struct pci_dev *pdev,
&qp->tx_free_q);
}
- tasklet_init(&qp->rx_work, ntb_transport_rx, (unsigned long) qp);
-
rc = ntb_register_db_callback(qp->ndev, free_queue, qp,
ntb_transport_rxc_db);
if (rc)
- goto err3;
+ goto err2;
dev_info(&pdev->dev, "NTB Transport QP %d created\n", qp->qp_num);
return qp;
-err3:
- tasklet_disable(&qp->rx_work);
err2:
while ((entry = ntb_list_rm(&qp->ntb_tx_free_q_lock, &qp->tx_free_q)))
kfree(entry);
err1:
while ((entry = ntb_list_rm(&qp->ntb_rx_free_q_lock, &qp->rx_free_q)))
kfree(entry);
+ if (qp->dma_chan)
+ dmaengine_put();
set_bit(free_queue, &nt->qp_bitmap);
err:
return NULL;
@@ -1515,7 +1521,6 @@ void ntb_transport_free_queue(struct ntb_transport_qp *qp)
}
ntb_unregister_db_callback(qp->ndev, qp->qp_num);
- tasklet_disable(&qp->rx_work);
cancel_delayed_work_sync(&qp->link_work);
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index de6f8990246f..c6973f101a3e 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -20,7 +20,7 @@ config OF_SELFTEST
depends on OF_IRQ
help
This option builds in test cases for the device tree infrastructure
- that are executed one at boot time, and the results dumped to the
+ that are executed once at boot time, and the results dumped to the
console.
If unsure, say N here, but this option is safe to enable.
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 4b9317bdb81c..d3dd41c840f1 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -69,14 +69,6 @@ static u64 of_bus_default_map(__be32 *addr, const __be32 *range,
(unsigned long long)cp, (unsigned long long)s,
(unsigned long long)da);
- /*
- * If the number of address cells is larger than 2 we assume the
- * mapping doesn't specify a physical address. Rather, the address
- * specifies an identifier that must match exactly.
- */
- if (na > 2 && memcmp(range, addr, na * 4) != 0)
- return OF_BAD_ADDR;
-
if (da < cp || da >= (cp + s))
return OF_BAD_ADDR;
return da - cp;
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 2fa024b97c43..758b4f8b30b7 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -922,8 +922,16 @@ void __init unflatten_device_tree(void)
*/
void __init unflatten_and_copy_device_tree(void)
{
- int size = __be32_to_cpu(initial_boot_params->totalsize);
- void *dt = early_init_dt_alloc_memory_arch(size,
+ int size;
+ void *dt;
+
+ if (!initial_boot_params) {
+ pr_warn("No valid device tree found, continuing without\n");
+ return;
+ }
+
+ size = __be32_to_cpu(initial_boot_params->totalsize);
+ dt = early_init_dt_alloc_memory_arch(size,
__alignof__(struct boot_param_header));
if (dt) {
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 786b0b47fae4..27212402c532 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -165,7 +165,6 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq)
if (of_get_property(ipar, "interrupt-controller", NULL) !=
NULL) {
pr_debug(" -> got it !\n");
- of_node_put(old);
return 0;
}
@@ -250,8 +249,7 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq)
* Successfully parsed an interrrupt-map translation; copy new
* interrupt specifier into the out_irq structure
*/
- of_node_put(out_irq->np);
- out_irq->np = of_node_get(newpar);
+ out_irq->np = newpar;
match_array = imap - newaddrsize - newintsize;
for (i = 0; i < newintsize; i++)
@@ -268,7 +266,6 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq)
}
fail:
of_node_put(ipar);
- of_node_put(out_irq->np);
of_node_put(newpar);
return -EINVAL;
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index c269e430c760..2aa7b77c7c88 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -447,6 +447,11 @@ static int mvebu_sw_pci_bridge_read(struct mvebu_pcie_port *port,
*value = 0;
break;
+ case PCI_INTERRUPT_LINE:
+ /* LINE PIN MIN_GNT MAX_LAT */
+ *value = 0;
+ break;
+
default:
*value = 0xffffffff;
return PCIBIOS_BAD_REGISTER_NUMBER;
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 1cf605f67673..e86439283a5d 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -279,7 +279,9 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data,
status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
if (ACPI_FAILURE(status)) {
- acpi_handle_warn(handle, "can't evaluate _ADR (%#x)\n", status);
+ if (status != AE_NOT_FOUND)
+ acpi_handle_warn(handle,
+ "can't evaluate _ADR (%#x)\n", status);
return AE_OK;
}
@@ -643,6 +645,24 @@ static void disable_slot(struct acpiphp_slot *slot)
slot->flags &= (~SLOT_ENABLED);
}
+static bool acpiphp_no_hotplug(acpi_handle handle)
+{
+ struct acpi_device *adev = NULL;
+
+ acpi_bus_get_device(handle, &adev);
+ return adev && adev->flags.no_hotplug;
+}
+
+static bool slot_no_hotplug(struct acpiphp_slot *slot)
+{
+ struct acpiphp_func *func;
+
+ list_for_each_entry(func, &slot->funcs, sibling)
+ if (acpiphp_no_hotplug(func_to_handle(func)))
+ return true;
+
+ return false;
+}
/**
* get_slot_status - get ACPI slot status
@@ -701,7 +721,8 @@ static void trim_stale_devices(struct pci_dev *dev)
unsigned long long sta;
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
- alive = ACPI_SUCCESS(status) && sta == ACPI_STA_ALL;
+ alive = (ACPI_SUCCESS(status) && sta == ACPI_STA_ALL)
+ || acpiphp_no_hotplug(handle);
}
if (!alive) {
u32 v;
@@ -741,8 +762,9 @@ static void acpiphp_check_bridge(struct acpiphp_bridge *bridge)
struct pci_dev *dev, *tmp;
mutex_lock(&slot->crit_sect);
- /* wake up all functions */
- if (get_slot_status(slot) == ACPI_STA_ALL) {
+ if (slot_no_hotplug(slot)) {
+ ; /* do nothing */
+ } else if (get_slot_status(slot) == ACPI_STA_ALL) {
/* remove stale devices if any */
list_for_each_entry_safe(dev, tmp, &bus->devices,
bus_list)
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 577074efbe62..f7ebdba14bde 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -330,29 +330,32 @@ static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
static void pci_acpi_setup(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
- acpi_handle handle = ACPI_HANDLE(dev);
- struct acpi_device *adev;
+ struct acpi_device *adev = ACPI_COMPANION(dev);
- if (acpi_bus_get_device(handle, &adev) || !adev->wakeup.flags.valid)
+ if (!adev)
+ return;
+
+ pci_acpi_add_pm_notifier(adev, pci_dev);
+ if (!adev->wakeup.flags.valid)
return;
device_set_wakeup_capable(dev, true);
acpi_pci_sleep_wake(pci_dev, false);
-
- pci_acpi_add_pm_notifier(adev, pci_dev);
if (adev->wakeup.flags.run_wake)
device_set_run_wake(dev, true);
}
static void pci_acpi_cleanup(struct device *dev)
{
- acpi_handle handle = ACPI_HANDLE(dev);
- struct acpi_device *adev;
+ struct acpi_device *adev = ACPI_COMPANION(dev);
+
+ if (!adev)
+ return;
- if (!acpi_bus_get_device(handle, &adev) && adev->wakeup.flags.valid) {
+ pci_acpi_remove_pm_notifier(adev);
+ if (adev->wakeup.flags.valid) {
device_set_wakeup_capable(dev, false);
device_set_run_wake(dev, false);
- pci_acpi_remove_pm_notifier(adev);
}
}
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 9042fdbd7244..25f0bc659164 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -19,6 +19,7 @@
#include <linux/cpu.h>
#include <linux/pm_runtime.h>
#include <linux/suspend.h>
+#include <linux/kexec.h>
#include "pci.h"
struct pci_dynid {
@@ -288,12 +289,27 @@ static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev,
int error, node;
struct drv_dev_and_id ddi = { drv, dev, id };
- /* Execute driver initialization on node where the device's
- bus is attached to. This way the driver likely allocates
- its local memory on the right node without any need to
- change it. */
+ /*
+ * Execute driver initialization on node where the device is
+ * attached. This way the driver likely allocates its local memory
+ * on the right node.
+ */
node = dev_to_node(&dev->dev);
- if (node >= 0) {
+
+ /*
+ * On NUMA systems, we are likely to call a PF probe function using
+ * work_on_cpu(). If that probe calls pci_enable_sriov() (which
+ * adds the VF devices via pci_bus_add_device()), we may re-enter
+ * this function to call the VF probe function. Calling
+ * work_on_cpu() again will cause a lockdep warning. Since VFs are
+ * always on the same node as the PF, we can work around this by
+ * avoiding work_on_cpu() when we're already on the correct node.
+ *
+ * Preemption is enabled, so it's theoretically unsafe to use
+ * numa_node_id(), but even if we run the probe function on the
+ * wrong node, it should be functionally correct.
+ */
+ if (node >= 0 && node != numa_node_id()) {
int cpu;
get_online_cpus();
@@ -305,6 +321,7 @@ static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev,
put_online_cpus();
} else
error = local_pci_probe(&ddi);
+
return error;
}
@@ -399,12 +416,17 @@ static void pci_device_shutdown(struct device *dev)
pci_msi_shutdown(pci_dev);
pci_msix_shutdown(pci_dev);
+#ifdef CONFIG_KEXEC
/*
- * Turn off Bus Master bit on the device to tell it to not
- * continue to do DMA. Don't touch devices in D3cold or unknown states.
+ * If this is a kexec reboot, turn off Bus Master bit on the
+ * device to tell it to not continue to do DMA. Don't touch
+ * devices in D3cold or unknown states.
+ * If it is not a kexec reboot, firmware will hit the PCI
+ * devices with big hammer and stop their DMA any way.
*/
- if (pci_dev->current_state <= PCI_D3hot)
+ if (kexec_in_progress && (pci_dev->current_state <= PCI_D3hot))
pci_clear_master(pci_dev);
+#endif
}
#ifdef CONFIG_PM
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 33120d156668..07369f32e8bb 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4165,6 +4165,14 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode,
return 0;
}
+bool pci_device_is_present(struct pci_dev *pdev)
+{
+ u32 v;
+
+ return pci_bus_read_dev_vendor_id(pdev->bus, pdev->devfn, &v, 0);
+}
+EXPORT_SYMBOL_GPL(pci_device_is_present);
+
#define RESOURCE_ALIGNMENT_PARAM_SIZE COMMAND_LINE_SIZE
static char resource_alignment_param[RESOURCE_ALIGNMENT_PARAM_SIZE] = {0};
static DEFINE_SPINLOCK(resource_alignment_lock);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b3b1b9aa8863..3a02717473ad 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -9,10 +9,6 @@
*
* Init/reset quirks for USB host controllers should be in the
* USB quirks file, where their drivers can access reuse it.
- *
- * The bridge optimization stuff has been removed. If you really
- * have a silly BIOS which is unable to set your host bridge right,
- * use the PowerTweak utility (see http://powertweak.sourceforge.net).
*/
#include <linux/types.h>
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 1576851028db..cc9337a71529 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -24,7 +24,7 @@ static void pci_stop_dev(struct pci_dev *dev)
if (dev->is_added) {
pci_proc_detach_device(dev);
pci_remove_sysfs_dev_files(dev);
- device_del(&dev->dev);
+ device_release_driver(&dev->dev);
dev->is_added = 0;
}
@@ -34,6 +34,8 @@ static void pci_stop_dev(struct pci_dev *dev)
static void pci_destroy_dev(struct pci_dev *dev)
{
+ device_del(&dev->dev);
+
down_write(&pci_bus_sem);
list_del(&dev->bus_list);
up_write(&pci_bus_sem);
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index a344f3d52361..330ef2d06567 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -24,8 +24,8 @@ config PHY_EXYNOS_MIPI_VIDEO
config OMAP_USB2
tristate "OMAP USB2 PHY Driver"
depends on ARCH_OMAP2PLUS
+ depends on USB_PHY
select GENERIC_PHY
- select USB_PHY
select OMAP_CONTROL_USB
help
Enable this to support the transceiver that is part of SOC. This
@@ -36,8 +36,8 @@ config OMAP_USB2
config TWL4030_USB
tristate "TWL4030 USB Transceiver Driver"
depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
+ depends on USB_PHY
select GENERIC_PHY
- select USB_PHY
help
Enable this to support the USB OTG transceiver on TWL4030
family chips (including the TWL5030 and TPS659x0 devices).
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 03cf8fb81554..58e0e9739028 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -437,23 +437,18 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops,
int id;
struct phy *phy;
- if (!dev) {
- dev_WARN(dev, "no device provided for PHY\n");
- ret = -EINVAL;
- goto err0;
- }
+ if (WARN_ON(!dev))
+ return ERR_PTR(-EINVAL);
phy = kzalloc(sizeof(*phy), GFP_KERNEL);
- if (!phy) {
- ret = -ENOMEM;
- goto err0;
- }
+ if (!phy)
+ return ERR_PTR(-ENOMEM);
id = ida_simple_get(&phy_ida, 0, 0, GFP_KERNEL);
if (id < 0) {
dev_err(dev, "unable to get id\n");
ret = id;
- goto err0;
+ goto free_phy;
}
device_initialize(&phy->dev);
@@ -468,11 +463,11 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops,
ret = dev_set_name(&phy->dev, "phy-%s.%d", dev_name(dev), id);
if (ret)
- goto err1;
+ goto put_dev;
ret = device_add(&phy->dev);
if (ret)
- goto err1;
+ goto put_dev;
if (pm_runtime_enabled(dev)) {
pm_runtime_enable(&phy->dev);
@@ -481,12 +476,11 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops,
return phy;
-err1:
- ida_remove(&phy_ida, phy->id);
+put_dev:
put_device(&phy->dev);
+ ida_remove(&phy_ida, phy->id);
+free_phy:
kfree(phy);
-
-err0:
return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(phy_create);
diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c
index 4780959e11d4..5183e7bb8de3 100644
--- a/drivers/pinctrl/pinctrl-abx500.c
+++ b/drivers/pinctrl/pinctrl-abx500.c
@@ -418,7 +418,7 @@ static int abx500_set_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip,
ret = abx500_gpio_set_bits(chip,
AB8500_GPIO_ALTFUN_REG,
af.alt_bit1,
- !!(af.alta_val && BIT(0)));
+ !!(af.alta_val & BIT(0)));
if (ret < 0)
goto out;
@@ -439,7 +439,7 @@ static int abx500_set_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip,
goto out;
ret = abx500_gpio_set_bits(chip, AB8500_GPIO_ALTFUN_REG,
- af.alt_bit1, !!(af.altb_val && BIT(0)));
+ af.alt_bit1, !!(af.altb_val & BIT(0)));
if (ret < 0)
goto out;
@@ -462,7 +462,7 @@ static int abx500_set_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip,
goto out;
ret = abx500_gpio_set_bits(chip, AB8500_GPIO_ALTFUN_REG,
- af.alt_bit2, !!(af.altc_val && BIT(1)));
+ af.alt_bit2, !!(af.altc_val & BIT(1)));
break;
default:
diff --git a/drivers/pinctrl/pinctrl-abx500.h b/drivers/pinctrl/pinctrl-abx500.h
index eeca8f973999..82293806e842 100644
--- a/drivers/pinctrl/pinctrl-abx500.h
+++ b/drivers/pinctrl/pinctrl-abx500.h
@@ -1,4 +1,4 @@
-#ifndef PINCTRL_PINCTRL_ABx5O0_H
+#ifndef PINCTRL_PINCTRL_ABx500_H
#define PINCTRL_PINCTRL_ABx500_H
/* Package definitions */
diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 2832576d8b12..114f5ef4b73a 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -512,6 +512,7 @@ static const struct dev_pm_ops byt_gpio_pm_ops = {
static const struct acpi_device_id byt_gpio_acpi_match[] = {
{ "INT33B2", 0 },
+ { "INT33FC", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, byt_gpio_acpi_match);
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index e939c28cbf1f..46dddc159286 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -504,6 +504,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank,
data |= (3 << bit);
break;
default:
+ spin_unlock_irqrestore(&bank->slock, flags);
dev_err(info->dev, "unsupported pull setting %d\n",
pull);
return -EINVAL;
@@ -1453,8 +1454,8 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev)
if (ctrl->type == RK3188) {
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
info->reg_pull = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(info->reg_base))
- return PTR_ERR(info->reg_base);
+ if (IS_ERR(info->reg_pull))
+ return PTR_ERR(info->reg_pull);
}
ret = rockchip_gpiolib_register(pdev, info);
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
index 009174d07767..bc5eb453a45c 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
@@ -3720,7 +3720,7 @@ static void __iomem *r8a7740_pinmux_portcr(struct sh_pfc *pfc, unsigned int pin)
const struct r8a7740_portcr_group *group =
&r8a7740_portcr_offsets[i];
- if (i <= group->end_pin)
+ if (pin <= group->end_pin)
return pfc->window->virt + group->offset + pin;
}
diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7372.c b/drivers/pinctrl/sh-pfc/pfc-sh7372.c
index 70b522d34821..cc097b693820 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh7372.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh7372.c
@@ -2584,7 +2584,7 @@ static void __iomem *sh7372_pinmux_portcr(struct sh_pfc *pfc, unsigned int pin)
const struct sh7372_portcr_group *group =
&sh7372_portcr_offsets[i];
- if (i <= group->end_pin)
+ if (pin <= group->end_pin)
return pfc->window->virt + group->offset + pin;
}
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 11bd0d970a52..e2142956a8e5 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -254,7 +254,7 @@ struct sh_pfc_soc_info {
#define PINMUX_GPIO(_pin) \
[GPIO_##_pin] = { \
.pin = (u16)-1, \
- .name = __stringify(name), \
+ .name = __stringify(GPIO_##_pin), \
.enum_id = _pin##_DATA, \
}
diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig
index 69616aeaa966..09fde58b12e0 100644
--- a/drivers/platform/Kconfig
+++ b/drivers/platform/Kconfig
@@ -5,3 +5,4 @@ if GOLDFISH
source "drivers/platform/goldfish/Kconfig"
endif
+source "drivers/platform/chrome/Kconfig"
diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile
index 8a44a4cd6d1e..3656b7b17b99 100644
--- a/drivers/platform/Makefile
+++ b/drivers/platform/Makefile
@@ -5,3 +5,4 @@
obj-$(CONFIG_X86) += x86/
obj-$(CONFIG_OLPC) += olpc/
obj-$(CONFIG_GOLDFISH) += goldfish/
+obj-$(CONFIG_CHROME_PLATFORMS) += chrome/
diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
new file mode 100644
index 000000000000..b13303e75a34
--- /dev/null
+++ b/drivers/platform/chrome/Kconfig
@@ -0,0 +1,28 @@
+#
+# Platform support for Chrome OS hardware (Chromebooks and Chromeboxes)
+#
+
+menuconfig CHROME_PLATFORMS
+ bool "Platform support for Chrome hardware"
+ depends on X86
+ ---help---
+ Say Y here to get to see options for platform support for
+ various Chromebooks and Chromeboxes. This option alone does
+ not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and disabled.
+
+if CHROME_PLATFORMS
+
+config CHROMEOS_LAPTOP
+ tristate "Chrome OS Laptop"
+ depends on I2C
+ depends on DMI
+ ---help---
+ This driver instantiates i2c and smbus devices such as
+ light sensors and touchpads.
+
+ If you have a supported Chromebook, choose Y or M here.
+ The module will be called chromeos_laptop.
+
+endif # CHROMEOS_PLATFORMS
diff --git a/drivers/platform/chrome/Makefile b/drivers/platform/chrome/Makefile
new file mode 100644
index 000000000000..015e9195e226
--- /dev/null
+++ b/drivers/platform/chrome/Makefile
@@ -0,0 +1,2 @@
+
+obj-$(CONFIG_CHROMEOS_LAPTOP) += chromeos_laptop.o
diff --git a/drivers/platform/x86/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 3e5b4497a1d0..3e5b4497a1d0 100644
--- a/drivers/platform/x86/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index b51a7460cc49..d9dcd37b5a52 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -79,17 +79,6 @@ config ASUS_LAPTOP
If you have an ACPI-compatible ASUS laptop, say Y or M here.
-config CHROMEOS_LAPTOP
- tristate "Chrome OS Laptop"
- depends on I2C
- depends on DMI
- ---help---
- This driver instantiates i2c and smbus devices such as
- light sensors and touchpads.
-
- If you have a supported Chromebook, choose Y or M here.
- The module will be called chromeos_laptop.
-
config DELL_LAPTOP
tristate "Dell Laptop Extras"
depends on X86
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 5dbe19324351..f0e6aa407ffb 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -50,7 +50,6 @@ obj-$(CONFIG_INTEL_MID_POWER_BUTTON) += intel_mid_powerbtn.o
obj-$(CONFIG_INTEL_OAKTRAIL) += intel_oaktrail.o
obj-$(CONFIG_SAMSUNG_Q10) += samsung-q10.o
obj-$(CONFIG_APPLE_GMUX) += apple-gmux.o
-obj-$(CONFIG_CHROMEOS_LAPTOP) += chromeos_laptop.o
obj-$(CONFIG_INTEL_RST) += intel-rst.o
obj-$(CONFIG_INTEL_SMARTCONNECT) += intel-smartconnect.o
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 0e9c169b42f8..594323a926cf 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1494,10 +1494,9 @@ static int asus_input_init(struct asus_laptop *asus)
int error;
input = input_allocate_device();
- if (!input) {
- pr_warn("Unable to allocate input device\n");
+ if (!input)
return -ENOMEM;
- }
+
input->name = "Asus Laptop extra buttons";
input->phys = ASUS_LAPTOP_FILE "/input0";
input->id.bustype = BUS_HOST;
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index bb77e18b3dd4..c608b1d33f4a 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -21,6 +21,7 @@
#include <linux/err.h>
#include <linux/dmi.h>
#include <linux/io.h>
+#include <linux/rfkill.h>
#include <linux/power_supply.h>
#include <linux/acpi.h>
#include <linux/mm.h>
@@ -89,6 +90,13 @@ static struct platform_driver platform_driver = {
static struct platform_device *platform_device;
static struct backlight_device *dell_backlight_device;
+static struct rfkill *wifi_rfkill;
+static struct rfkill *bluetooth_rfkill;
+static struct rfkill *wwan_rfkill;
+static bool force_rfkill;
+
+module_param(force_rfkill, bool, 0444);
+MODULE_PARM_DESC(force_rfkill, "enable rfkill on non whitelisted models");
static const struct dmi_system_id dell_device_table[] __initconst = {
{
@@ -355,6 +363,108 @@ dell_send_request(struct calling_interface_buffer *buffer, int class,
return buffer;
}
+/* Derived from information in DellWirelessCtl.cpp:
+ Class 17, select 11 is radio control. It returns an array of 32-bit values.
+
+ Input byte 0 = 0: Wireless information
+
+ result[0]: return code
+ result[1]:
+ Bit 0: Hardware switch supported
+ Bit 1: Wifi locator supported
+ Bit 2: Wifi is supported
+ Bit 3: Bluetooth is supported
+ Bit 4: WWAN is supported
+ Bit 5: Wireless keyboard supported
+ Bits 6-7: Reserved
+ Bit 8: Wifi is installed
+ Bit 9: Bluetooth is installed
+ Bit 10: WWAN is installed
+ Bits 11-15: Reserved
+ Bit 16: Hardware switch is on
+ Bit 17: Wifi is blocked
+ Bit 18: Bluetooth is blocked
+ Bit 19: WWAN is blocked
+ Bits 20-31: Reserved
+ result[2]: NVRAM size in bytes
+ result[3]: NVRAM format version number
+
+ Input byte 0 = 2: Wireless switch configuration
+ result[0]: return code
+ result[1]:
+ Bit 0: Wifi controlled by switch
+ Bit 1: Bluetooth controlled by switch
+ Bit 2: WWAN controlled by switch
+ Bits 3-6: Reserved
+ Bit 7: Wireless switch config locked
+ Bit 8: Wifi locator enabled
+ Bits 9-14: Reserved
+ Bit 15: Wifi locator setting locked
+ Bits 16-31: Reserved
+*/
+
+static int dell_rfkill_set(void *data, bool blocked)
+{
+ int disable = blocked ? 1 : 0;
+ unsigned long radio = (unsigned long)data;
+ int hwswitch_bit = (unsigned long)data - 1;
+
+ get_buffer();
+ dell_send_request(buffer, 17, 11);
+
+ /* If the hardware switch controls this radio, and the hardware
+ switch is disabled, always disable the radio */
+ if ((hwswitch_state & BIT(hwswitch_bit)) &&
+ !(buffer->output[1] & BIT(16)))
+ disable = 1;
+
+ buffer->input[0] = (1 | (radio<<8) | (disable << 16));
+ dell_send_request(buffer, 17, 11);
+
+ release_buffer();
+ return 0;
+}
+
+/* Must be called with the buffer held */
+static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio,
+ int status)
+{
+ if (status & BIT(0)) {
+ /* Has hw-switch, sync sw_state to BIOS */
+ int block = rfkill_blocked(rfkill);
+ buffer->input[0] = (1 | (radio << 8) | (block << 16));
+ dell_send_request(buffer, 17, 11);
+ } else {
+ /* No hw-switch, sync BIOS state to sw_state */
+ rfkill_set_sw_state(rfkill, !!(status & BIT(radio + 16)));
+ }
+}
+
+static void dell_rfkill_update_hw_state(struct rfkill *rfkill, int radio,
+ int status)
+{
+ if (hwswitch_state & (BIT(radio - 1)))
+ rfkill_set_hw_state(rfkill, !(status & BIT(16)));
+}
+
+static void dell_rfkill_query(struct rfkill *rfkill, void *data)
+{
+ int status;
+
+ get_buffer();
+ dell_send_request(buffer, 17, 11);
+ status = buffer->output[1];
+
+ dell_rfkill_update_hw_state(rfkill, (unsigned long)data, status);
+
+ release_buffer();
+}
+
+static const struct rfkill_ops dell_rfkill_ops = {
+ .set_block = dell_rfkill_set,
+ .query = dell_rfkill_query,
+};
+
static struct dentry *dell_laptop_dir;
static int dell_debugfs_show(struct seq_file *s, void *data)
@@ -424,6 +534,136 @@ static const struct file_operations dell_debugfs_fops = {
.release = single_release,
};
+static void dell_update_rfkill(struct work_struct *ignored)
+{
+ int status;
+
+ get_buffer();
+ dell_send_request(buffer, 17, 11);
+ status = buffer->output[1];
+
+ if (wifi_rfkill) {
+ dell_rfkill_update_hw_state(wifi_rfkill, 1, status);
+ dell_rfkill_update_sw_state(wifi_rfkill, 1, status);
+ }
+ if (bluetooth_rfkill) {
+ dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status);
+ dell_rfkill_update_sw_state(bluetooth_rfkill, 2, status);
+ }
+ if (wwan_rfkill) {
+ dell_rfkill_update_hw_state(wwan_rfkill, 3, status);
+ dell_rfkill_update_sw_state(wwan_rfkill, 3, status);
+ }
+
+ release_buffer();
+}
+static DECLARE_DELAYED_WORK(dell_rfkill_work, dell_update_rfkill);
+
+
+static int __init dell_setup_rfkill(void)
+{
+ int status;
+ int ret;
+ const char *product;
+
+ /*
+ * rfkill causes trouble on various non Latitudes, according to Dell
+ * actually testing the rfkill functionality is only done on Latitudes.
+ */
+ product = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!force_rfkill && (!product || strncmp(product, "Latitude", 8)))
+ return 0;
+
+ get_buffer();
+ dell_send_request(buffer, 17, 11);
+ status = buffer->output[1];
+ buffer->input[0] = 0x2;
+ dell_send_request(buffer, 17, 11);
+ hwswitch_state = buffer->output[1];
+ release_buffer();
+
+ if (!(status & BIT(0))) {
+ if (force_rfkill) {
+ /* No hwsitch, clear all hw-controlled bits */
+ hwswitch_state &= ~7;
+ } else {
+ /* rfkill is only tested on laptops with a hwswitch */
+ return 0;
+ }
+ }
+
+ if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) {
+ wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev,
+ RFKILL_TYPE_WLAN,
+ &dell_rfkill_ops, (void *) 1);
+ if (!wifi_rfkill) {
+ ret = -ENOMEM;
+ goto err_wifi;
+ }
+ ret = rfkill_register(wifi_rfkill);
+ if (ret)
+ goto err_wifi;
+ }
+
+ if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) {
+ bluetooth_rfkill = rfkill_alloc("dell-bluetooth",
+ &platform_device->dev,
+ RFKILL_TYPE_BLUETOOTH,
+ &dell_rfkill_ops, (void *) 2);
+ if (!bluetooth_rfkill) {
+ ret = -ENOMEM;
+ goto err_bluetooth;
+ }
+ ret = rfkill_register(bluetooth_rfkill);
+ if (ret)
+ goto err_bluetooth;
+ }
+
+ if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) {
+ wwan_rfkill = rfkill_alloc("dell-wwan",
+ &platform_device->dev,
+ RFKILL_TYPE_WWAN,
+ &dell_rfkill_ops, (void *) 3);
+ if (!wwan_rfkill) {
+ ret = -ENOMEM;
+ goto err_wwan;
+ }
+ ret = rfkill_register(wwan_rfkill);
+ if (ret)
+ goto err_wwan;
+ }
+
+ return 0;
+err_wwan:
+ rfkill_destroy(wwan_rfkill);
+ if (bluetooth_rfkill)
+ rfkill_unregister(bluetooth_rfkill);
+err_bluetooth:
+ rfkill_destroy(bluetooth_rfkill);
+ if (wifi_rfkill)
+ rfkill_unregister(wifi_rfkill);
+err_wifi:
+ rfkill_destroy(wifi_rfkill);
+
+ return ret;
+}
+
+static void dell_cleanup_rfkill(void)
+{
+ if (wifi_rfkill) {
+ rfkill_unregister(wifi_rfkill);
+ rfkill_destroy(wifi_rfkill);
+ }
+ if (bluetooth_rfkill) {
+ rfkill_unregister(bluetooth_rfkill);
+ rfkill_destroy(bluetooth_rfkill);
+ }
+ if (wwan_rfkill) {
+ rfkill_unregister(wwan_rfkill);
+ rfkill_destroy(wwan_rfkill);
+ }
+}
+
static int dell_send_intensity(struct backlight_device *bd)
{
int ret = 0;
@@ -515,6 +755,30 @@ static void touchpad_led_exit(void)
led_classdev_unregister(&touchpad_led);
}
+static bool dell_laptop_i8042_filter(unsigned char data, unsigned char str,
+ struct serio *port)
+{
+ static bool extended;
+
+ if (str & 0x20)
+ return false;
+
+ if (unlikely(data == 0xe0)) {
+ extended = true;
+ return false;
+ } else if (unlikely(extended)) {
+ switch (data) {
+ case 0x8:
+ schedule_delayed_work(&dell_rfkill_work,
+ round_jiffies_relative(HZ / 4));
+ break;
+ }
+ extended = false;
+ }
+
+ return false;
+}
+
static int __init dell_init(void)
{
int max_intensity = 0;
@@ -557,10 +821,26 @@ static int __init dell_init(void)
}
buffer = page_address(bufferpage);
+ ret = dell_setup_rfkill();
+
+ if (ret) {
+ pr_warn("Unable to setup rfkill\n");
+ goto fail_rfkill;
+ }
+
+ ret = i8042_install_filter(dell_laptop_i8042_filter);
+ if (ret) {
+ pr_warn("Unable to install key filter\n");
+ goto fail_filter;
+ }
+
if (quirks && quirks->touchpad_led)
touchpad_led_init(&platform_device->dev);
dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL);
+ if (dell_laptop_dir != NULL)
+ debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
+ &dell_debugfs_fops);
#ifdef CONFIG_ACPI
/* In the event of an ACPI backlight being available, don't
@@ -603,6 +883,11 @@ static int __init dell_init(void)
return 0;
fail_backlight:
+ i8042_remove_filter(dell_laptop_i8042_filter);
+ cancel_delayed_work_sync(&dell_rfkill_work);
+fail_filter:
+ dell_cleanup_rfkill();
+fail_rfkill:
free_page((unsigned long)bufferpage);
fail_buffer:
platform_device_del(platform_device);
@@ -620,7 +905,10 @@ static void __exit dell_exit(void)
debugfs_remove_recursive(dell_laptop_dir);
if (quirks && quirks->touchpad_led)
touchpad_led_exit();
+ i8042_remove_filter(dell_laptop_i8042_filter);
+ cancel_delayed_work_sync(&dell_rfkill_work);
backlight_device_unregister(dell_backlight_device);
+ dell_cleanup_rfkill();
if (platform_device) {
platform_device_unregister(platform_device);
platform_driver_unregister(&platform_driver);
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index fa9a2171cc13..60e0900bc117 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -130,7 +130,8 @@ static const u16 bios_to_linux_keycode[256] __initconst = {
KEY_BRIGHTNESSUP, KEY_UNKNOWN, KEY_KBDILLUMTOGGLE,
KEY_UNKNOWN, KEY_SWITCHVIDEOMODE, KEY_UNKNOWN, KEY_UNKNOWN,
KEY_SWITCHVIDEOMODE, KEY_UNKNOWN, KEY_UNKNOWN, KEY_PROG2,
- KEY_UNKNOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
+ KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_MICMUTE,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -139,8 +140,8 @@ static const u16 bios_to_linux_keycode[256] __initconst = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- KEY_PROG3
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_PROG3
};
static struct input_dev *dell_wmi_input_dev;
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index aefcc32e5634..dec68e7a99c7 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -1203,10 +1203,8 @@ static int eeepc_input_init(struct eeepc_laptop *eeepc)
int error;
input = input_allocate_device();
- if (!input) {
- pr_info("Unable to allocate input device\n");
+ if (!input)
return -ENOMEM;
- }
input->name = "Asus EeePC extra buttons";
input->phys = EEEPC_LAPTOP_FILE "/input0";
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 1c86fa0857c8..8ba8956b5a48 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -54,6 +54,7 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
#define HPWMI_HARDWARE_QUERY 0x4
#define HPWMI_WIRELESS_QUERY 0x5
#define HPWMI_HOTKEY_QUERY 0xc
+#define HPWMI_FEATURE_QUERY 0xd
#define HPWMI_WIRELESS2_QUERY 0x1b
#define HPWMI_POSTCODEERROR_QUERY 0x2a
@@ -292,6 +293,17 @@ static int hp_wmi_tablet_state(void)
return (state & 0x4) ? 1 : 0;
}
+static int hp_wmi_bios_2009_later(void)
+{
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state,
+ sizeof(state), sizeof(state));
+ if (ret)
+ return ret;
+
+ return (state & 0x10) ? 1 : 0;
+}
+
static int hp_wmi_set_block(void *data, bool blocked)
{
enum hp_wmi_radio r = (enum hp_wmi_radio) data;
@@ -871,7 +883,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
gps_rfkill = NULL;
rfkill2_count = 0;
- if (hp_wmi_rfkill_setup(device))
+ if (hp_wmi_bios_2009_later() || hp_wmi_rfkill_setup(device))
hp_wmi_rfkill2_setup(device);
err = device_create_file(&device->dev, &dev_attr_display);
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 6788acc22ab9..19ec95147f69 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -570,10 +570,8 @@ static int ideapad_input_init(struct ideapad_private *priv)
int error;
inputdev = input_allocate_device();
- if (!inputdev) {
- pr_info("Unable to allocate input device\n");
+ if (!inputdev)
return -ENOMEM;
- }
inputdev->name = "Ideapad extra buttons";
inputdev->phys = "ideapad/input0";
diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c
index 6b18aba82cfa..8d6775266d66 100644
--- a/drivers/platform/x86/intel_mid_powerbtn.c
+++ b/drivers/platform/x86/intel_mid_powerbtn.c
@@ -66,10 +66,8 @@ static int mfld_pb_probe(struct platform_device *pdev)
return -EINVAL;
input = input_allocate_device();
- if (!input) {
- dev_err(&pdev->dev, "Input device allocation error\n");
+ if (!input)
return -ENOMEM;
- }
input->name = pdev->name;
input->phys = "power-button/input0";
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index d654f831410d..60ea476a9130 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -58,12 +58,56 @@
* message handler is called within firmware.
*/
-#define IPC_BASE_ADDR 0xFF11C000 /* IPC1 base register address */
-#define IPC_MAX_ADDR 0x100 /* Maximum IPC regisers */
#define IPC_WWBUF_SIZE 20 /* IPC Write buffer Size */
#define IPC_RWBUF_SIZE 20 /* IPC Read buffer Size */
-#define IPC_I2C_BASE 0xFF12B000 /* I2C control register base address */
-#define IPC_I2C_MAX_ADDR 0x10 /* Maximum I2C regisers */
+#define IPC_IOC 0x100 /* IPC command register IOC bit */
+
+enum {
+ SCU_IPC_LINCROFT,
+ SCU_IPC_PENWELL,
+ SCU_IPC_CLOVERVIEW,
+ SCU_IPC_TANGIER,
+};
+
+/* intel scu ipc driver data*/
+struct intel_scu_ipc_pdata_t {
+ u32 ipc_base;
+ u32 i2c_base;
+ u32 ipc_len;
+ u32 i2c_len;
+ u8 irq_mode;
+};
+
+static struct intel_scu_ipc_pdata_t intel_scu_ipc_pdata[] = {
+ [SCU_IPC_LINCROFT] = {
+ .ipc_base = 0xff11c000,
+ .i2c_base = 0xff12b000,
+ .ipc_len = 0x100,
+ .i2c_len = 0x10,
+ .irq_mode = 0,
+ },
+ [SCU_IPC_PENWELL] = {
+ .ipc_base = 0xff11c000,
+ .i2c_base = 0xff12b000,
+ .ipc_len = 0x100,
+ .i2c_len = 0x10,
+ .irq_mode = 1,
+ },
+ [SCU_IPC_CLOVERVIEW] = {
+ .ipc_base = 0xff11c000,
+ .i2c_base = 0xff12b000,
+ .ipc_len = 0x100,
+ .i2c_len = 0x10,
+ .irq_mode = 1,
+ },
+ [SCU_IPC_TANGIER] = {
+ .ipc_base = 0xff009000,
+ .i2c_base = 0xff00d000,
+ .ipc_len = 0x100,
+ .i2c_len = 0x10,
+ .irq_mode = 0,
+ },
+};
static int ipc_probe(struct pci_dev *dev, const struct pci_device_id *id);
static void ipc_remove(struct pci_dev *pdev);
@@ -72,6 +116,8 @@ struct intel_scu_ipc_dev {
struct pci_dev *pdev;
void __iomem *ipc_base;
void __iomem *i2c_base;
+ struct completion cmd_complete;
+ u8 irq_mode;
};
static struct intel_scu_ipc_dev ipcdev; /* Only one for now */
@@ -98,6 +144,10 @@ static DEFINE_MUTEX(ipclock); /* lock used to prevent multiple call to SCU */
*/
static inline void ipc_command(u32 cmd) /* Send ipc command */
{
+ if (ipcdev.irq_mode) {
+ reinit_completion(&ipcdev.cmd_complete);
+ writel(cmd | IPC_IOC, ipcdev.ipc_base);
+ }
writel(cmd, ipcdev.ipc_base);
}
@@ -156,6 +206,30 @@ static inline int busy_loop(void) /* Wait till scu status is busy */
return 0;
}
+/* Wait till ipc ioc interrupt is received or timeout in 3 HZ */
+static inline int ipc_wait_for_interrupt(void)
+{
+ int status;
+
+ if (!wait_for_completion_timeout(&ipcdev.cmd_complete, 3 * HZ)) {
+ struct device *dev = &ipcdev.pdev->dev;
+ dev_err(dev, "IPC timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ status = ipc_read_status();
+
+ if ((status >> 1) & 1)
+ return -EIO;
+
+ return 0;
+}
+
+int intel_scu_ipc_check_status(void)
+{
+ return ipcdev.irq_mode ? ipc_wait_for_interrupt() : busy_loop();
+}
+
/* Read/Write power control(PMIC in Langwell, MSIC in PenWell) registers */
static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
{
@@ -196,8 +270,8 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
ipc_command(4 << 16 | id << 12 | 0 << 8 | op);
}
- err = busy_loop();
- if (id == IPC_CMD_PCNTRL_R) { /* Read rbuf */
+ err = intel_scu_ipc_check_status();
+ if (!err && id == IPC_CMD_PCNTRL_R) { /* Read rbuf */
/* Workaround: values are read as 0 without memcpy_fromio */
memcpy_fromio(cbuf, ipcdev.ipc_base + 0x90, 16);
for (nc = 0; nc < count; nc++)
@@ -391,7 +465,7 @@ int intel_scu_ipc_simple_command(int cmd, int sub)
return -ENODEV;
}
ipc_command(sub << 12 | cmd);
- err = busy_loop();
+ err = intel_scu_ipc_check_status();
mutex_unlock(&ipclock);
return err;
}
@@ -425,10 +499,12 @@ int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
ipc_data_writel(*in++, 4 * i);
ipc_command((inlen << 16) | (sub << 12) | cmd);
- err = busy_loop();
+ err = intel_scu_ipc_check_status();
- for (i = 0; i < outlen; i++)
- *out++ = ipc_data_readl(4 * i);
+ if (!err) {
+ for (i = 0; i < outlen; i++)
+ *out++ = ipc_data_readl(4 * i);
+ }
mutex_unlock(&ipclock);
return err;
@@ -491,6 +567,9 @@ EXPORT_SYMBOL(intel_scu_ipc_i2c_cntrl);
*/
static irqreturn_t ioc(int irq, void *dev_id)
{
+ if (ipcdev.irq_mode)
+ complete(&ipcdev.cmd_complete);
+
return IRQ_HANDLED;
}
@@ -504,13 +583,18 @@ static irqreturn_t ioc(int irq, void *dev_id)
*/
static int ipc_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
- int err;
+ int err, pid;
+ struct intel_scu_ipc_pdata_t *pdata;
resource_size_t pci_resource;
if (ipcdev.pdev) /* We support only one SCU */
return -EBUSY;
+ pid = id->driver_data;
+ pdata = &intel_scu_ipc_pdata[pid];
+
ipcdev.pdev = pci_dev_get(dev);
+ ipcdev.irq_mode = pdata->irq_mode;
err = pci_enable_device(dev);
if (err)
@@ -524,14 +608,16 @@ static int ipc_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (!pci_resource)
return -ENOMEM;
+ init_completion(&ipcdev.cmd_complete);
+
if (request_irq(dev->irq, ioc, 0, "intel_scu_ipc", &ipcdev))
return -EBUSY;
- ipcdev.ipc_base = ioremap_nocache(IPC_BASE_ADDR, IPC_MAX_ADDR);
+ ipcdev.ipc_base = ioremap_nocache(pdata->ipc_base, pdata->ipc_len);
if (!ipcdev.ipc_base)
return -ENOMEM;
- ipcdev.i2c_base = ioremap_nocache(IPC_I2C_BASE, IPC_I2C_MAX_ADDR);
+ ipcdev.i2c_base = ioremap_nocache(pdata->i2c_base, pdata->i2c_len);
if (!ipcdev.i2c_base) {
iounmap(ipcdev.ipc_base);
return -ENOMEM;
@@ -564,7 +650,10 @@ static void ipc_remove(struct pci_dev *pdev)
}
static DEFINE_PCI_DEVICE_TABLE(pci_ids) = {
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x082a)},
+ {PCI_VDEVICE(INTEL, 0x082a), SCU_IPC_LINCROFT},
+ {PCI_VDEVICE(INTEL, 0x080e), SCU_IPC_PENWELL},
+ {PCI_VDEVICE(INTEL, 0x08ea), SCU_IPC_CLOVERVIEW},
+ {PCI_VDEVICE(INTEL, 0x11a0), SCU_IPC_TANGIER},
{ 0,}
};
MODULE_DEVICE_TABLE(pci, pci_ids);
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 10d12b221601..3008fd20572e 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -490,11 +490,8 @@ static int acpi_pcc_init_input(struct pcc_acpi *pcc)
int error;
input_dev = input_allocate_device();
- if (!input_dev) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Couldn't allocate input device for hotkey"));
+ if (!input_dev)
return -ENOMEM;
- }
input_dev->name = ACPI_PCC_DRIVER_NAME;
input_dev->phys = ACPI_PCC_INPUT_PHYS;
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 47caab0ea7a1..fb233ae7bb0e 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -140,12 +140,12 @@ MODULE_PARM_DESC(kbd_backlight_timeout,
"on the model (default: no change from current value)");
#ifdef CONFIG_PM_SLEEP
-static void sony_nc_kbd_backlight_resume(void);
static void sony_nc_thermal_resume(void);
#endif
static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
unsigned int handle);
-static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
+static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
+ unsigned int handle);
static int sony_nc_battery_care_setup(struct platform_device *pd,
unsigned int handle);
@@ -304,8 +304,8 @@ static int sony_laptop_input_keycode_map[] = {
KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
- KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
- KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
+ KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
+ KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
@@ -1444,7 +1444,7 @@ static void sony_nc_function_cleanup(struct platform_device *pd)
case 0x014b:
case 0x014c:
case 0x0163:
- sony_nc_kbd_backlight_cleanup(pd);
+ sony_nc_kbd_backlight_cleanup(pd, handle);
break;
default:
continue;
@@ -1486,13 +1486,6 @@ static void sony_nc_function_resume(void)
case 0x0135:
sony_nc_rfkill_update();
break;
- case 0x0137:
- case 0x0143:
- case 0x014b:
- case 0x014c:
- case 0x0163:
- sony_nc_kbd_backlight_resume();
- break;
default:
continue;
}
@@ -1822,6 +1815,12 @@ static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
int result;
int ret = 0;
+ if (kbdbl_ctl) {
+ pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
+ handle, kbdbl_ctl->handle);
+ return -EBUSY;
+ }
+
/* verify the kbd backlight presence, these handles are not used for
* keyboard backlight only
*/
@@ -1881,9 +1880,10 @@ outkzalloc:
return ret;
}
-static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
+static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
+ unsigned int handle)
{
- if (kbdbl_ctl) {
+ if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
kfree(kbdbl_ctl);
@@ -1891,25 +1891,6 @@ static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
}
}
-#ifdef CONFIG_PM_SLEEP
-static void sony_nc_kbd_backlight_resume(void)
-{
- int ignore = 0;
-
- if (!kbdbl_ctl)
- return;
-
- if (kbdbl_ctl->mode == 0)
- sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
- &ignore);
-
- if (kbdbl_ctl->timeout != 0)
- sony_call_snc_handle(kbdbl_ctl->handle,
- (kbdbl_ctl->base + 0x200) |
- (kbdbl_ctl->timeout << 0x10), &ignore);
-}
-#endif
-
struct battery_care_control {
struct device_attribute attrs[2];
unsigned int handle;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 05e046aa5e31..58b0274d24cc 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6438,7 +6438,12 @@ static struct ibm_struct brightness_driver_data = {
#define TPACPI_ALSA_SHRTNAME "ThinkPad Console Audio Control"
#define TPACPI_ALSA_MIXERNAME TPACPI_ALSA_SHRTNAME
-static int alsa_index = ~((1 << (SNDRV_CARDS - 3)) - 1); /* last three slots */
+#if SNDRV_CARDS <= 32
+#define DEFAULT_ALSA_IDX ~((1 << (SNDRV_CARDS - 3)) - 1)
+#else
+#define DEFAULT_ALSA_IDX ~((1 << (32 - 3)) - 1)
+#endif
+static int alsa_index = DEFAULT_ALSA_IDX; /* last three slots */
static char *alsa_id = "ThinkPadEC";
static bool alsa_enable = SNDRV_DEFAULT_ENABLE1;
@@ -9163,7 +9168,6 @@ static int __init thinkpad_acpi_module_init(void)
mutex_init(&tpacpi_inputdev_send_mutex);
tpacpi_inputdev = input_allocate_device();
if (!tpacpi_inputdev) {
- pr_err("unable to allocate input device\n");
thinkpad_acpi_module_exit();
return -ENOMEM;
} else {
diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c
index 67897c8740ba..e597de05e6c2 100644
--- a/drivers/platform/x86/topstar-laptop.c
+++ b/drivers/platform/x86/topstar-laptop.c
@@ -97,10 +97,8 @@ static int acpi_topstar_init_hkey(struct topstar_hkey *hkey)
int error;
input = input_allocate_device();
- if (!input) {
- pr_err("Unable to allocate input device\n");
+ if (!input)
return -ENOMEM;
- }
input->name = "Topstar Laptop extra buttons";
input->phys = "topstar/input0";
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 0cfadb65f7c6..7fce391818d3 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -975,10 +975,8 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
u32 hci_result;
dev->hotkey_dev = input_allocate_device();
- if (!dev->hotkey_dev) {
- pr_info("Unable to register input device\n");
+ if (!dev->hotkey_dev)
return -ENOMEM;
- }
dev->hotkey_dev->name = "Toshiba input device";
dev->hotkey_dev->phys = "toshiba_acpi/input0";
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 62e8c221d01e..c2e7b2657aeb 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -672,8 +672,10 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
struct wmi_block *wblock;
wblock = dev_get_drvdata(dev);
- if (!wblock)
- return -ENOMEM;
+ if (!wblock) {
+ strcat(buf, "\n");
+ return strlen(buf);
+ }
wmi_gtoa(wblock->gblock.guid, guid_string);
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index 6936e0acedcd..f748cc8cbb03 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -197,6 +197,11 @@ static int pnp_bus_freeze(struct device *dev)
return __pnp_bus_suspend(dev, PMSG_FREEZE);
}
+static int pnp_bus_poweroff(struct device *dev)
+{
+ return __pnp_bus_suspend(dev, PMSG_HIBERNATE);
+}
+
static int pnp_bus_resume(struct device *dev)
{
struct pnp_dev *pnp_dev = to_pnp_dev(dev);
@@ -234,9 +239,14 @@ static int pnp_bus_resume(struct device *dev)
}
static const struct dev_pm_ops pnp_bus_dev_pm_ops = {
+ /* Suspend callbacks */
.suspend = pnp_bus_suspend,
- .freeze = pnp_bus_freeze,
.resume = pnp_bus_resume,
+ /* Hibernate callbacks */
+ .freeze = pnp_bus_freeze,
+ .thaw = pnp_bus_resume,
+ .poweroff = pnp_bus_poweroff,
+ .restore = pnp_bus_resume,
};
struct bus_type pnp_bus_type = {
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 5e2054afe840..85ad58c6da17 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -196,6 +196,7 @@ config BATTERY_MAX17040
config BATTERY_MAX17042
tristate "Maxim MAX17042/17047/17050/8997/8966 Fuel Gauge"
depends on I2C
+ select REGMAP_I2C
help
MAX17042 is fuel-gauge systems for lithium-ion (Li+) batteries
in handheld and portable equipment. The MAX17042 is configured
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 00e667296360..557af943b2f5 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -511,6 +511,10 @@ int power_supply_register(struct device *parent, struct power_supply *psy)
dev_set_drvdata(dev, psy);
psy->dev = dev;
+ rc = dev_set_name(dev, "%s", psy->name);
+ if (rc)
+ goto dev_set_name_failed;
+
INIT_WORK(&psy->changed_work, power_supply_changed_work);
rc = power_supply_check_supplies(psy);
@@ -524,10 +528,6 @@ int power_supply_register(struct device *parent, struct power_supply *psy)
if (rc)
goto wakeup_init_failed;
- rc = kobject_set_name(&dev->kobj, "%s", psy->name);
- if (rc)
- goto kobject_set_name_failed;
-
rc = device_add(dev);
if (rc)
goto device_add_failed;
@@ -553,11 +553,11 @@ create_triggers_failed:
register_cooler_failed:
psy_unregister_thermal(psy);
register_thermal_failed:
-wakeup_init_failed:
device_del(dev);
-kobject_set_name_failed:
device_add_failed:
+wakeup_init_failed:
check_supplies_failed:
+dev_set_name_failed:
put_device(dev);
success:
return rc;
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index 2a786c504460..3c6768378a94 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -833,6 +833,11 @@ static int rapl_write_data_raw(struct rapl_domain *rd,
return 0;
}
+static const struct x86_cpu_id energy_unit_quirk_ids[] = {
+ { X86_VENDOR_INTEL, 6, 0x37},/* VLV */
+ {}
+};
+
static int rapl_check_unit(struct rapl_package *rp, int cpu)
{
u64 msr_val;
@@ -853,8 +858,11 @@ static int rapl_check_unit(struct rapl_package *rp, int cpu)
* time unit: 1/time_unit_divisor Seconds
*/
value = (msr_val & ENERGY_UNIT_MASK) >> ENERGY_UNIT_OFFSET;
- rp->energy_unit_divisor = 1 << value;
-
+ /* some CPUs have different way to calculate energy unit */
+ if (x86_match_cpu(energy_unit_quirk_ids))
+ rp->energy_unit_divisor = 1000000 / (1 << value);
+ else
+ rp->energy_unit_divisor = 1 << value;
value = (msr_val & POWER_UNIT_MASK) >> POWER_UNIT_OFFSET;
rp->power_unit_divisor = 1 << value;
@@ -941,6 +949,7 @@ static void package_power_limit_irq_restore(int package_id)
static const struct x86_cpu_id rapl_ids[] = {
{ X86_VENDOR_INTEL, 6, 0x2a},/* SNB */
{ X86_VENDOR_INTEL, 6, 0x2d},/* SNB EP */
+ { X86_VENDOR_INTEL, 6, 0x37},/* VLV */
{ X86_VENDOR_INTEL, 6, 0x3a},/* IVB */
{ X86_VENDOR_INTEL, 6, 0x45},/* HSW */
/* TODO: Add more CPU IDs after testing */
diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c
index 8d0fe431dbdd..84419af16f77 100644
--- a/drivers/powercap/powercap_sys.c
+++ b/drivers/powercap/powercap_sys.c
@@ -377,9 +377,14 @@ static void create_power_zone_common_attributes(
if (power_zone->ops->get_max_energy_range_uj)
power_zone->zone_dev_attrs[count++] =
&dev_attr_max_energy_range_uj.attr;
- if (power_zone->ops->get_energy_uj)
+ if (power_zone->ops->get_energy_uj) {
+ if (power_zone->ops->reset_energy_uj)
+ dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO;
+ else
+ dev_attr_energy_uj.attr.mode = S_IRUGO;
power_zone->zone_dev_attrs[count++] =
&dev_attr_energy_uj.attr;
+ }
if (power_zone->ops->get_power_uw)
power_zone->zone_dev_attrs[count++] =
&dev_attr_power_uw.attr;
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index 724706a97dc4..fd3154d86901 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -174,6 +174,33 @@ static const struct regulator_desc arizona_micsupp = {
.owner = THIS_MODULE,
};
+static const struct regulator_linear_range arizona_micsupp_ext_ranges[] = {
+ REGULATOR_LINEAR_RANGE(900000, 0, 0x14, 25000),
+ REGULATOR_LINEAR_RANGE(1500000, 0x15, 0x27, 100000),
+};
+
+static const struct regulator_desc arizona_micsupp_ext = {
+ .name = "MICVDD",
+ .supply_name = "CPVDD",
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 40,
+ .ops = &arizona_micsupp_ops,
+
+ .vsel_reg = ARIZONA_LDO2_CONTROL_1,
+ .vsel_mask = ARIZONA_LDO2_VSEL_MASK,
+ .enable_reg = ARIZONA_MIC_CHARGE_PUMP_1,
+ .enable_mask = ARIZONA_CPMIC_ENA,
+ .bypass_reg = ARIZONA_MIC_CHARGE_PUMP_1,
+ .bypass_mask = ARIZONA_CPMIC_BYPASS,
+
+ .linear_ranges = arizona_micsupp_ext_ranges,
+ .n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ext_ranges),
+
+ .enable_time = 3000,
+
+ .owner = THIS_MODULE,
+};
+
static const struct regulator_init_data arizona_micsupp_default = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS |
@@ -186,9 +213,22 @@ static const struct regulator_init_data arizona_micsupp_default = {
.num_consumer_supplies = 1,
};
+static const struct regulator_init_data arizona_micsupp_ext_default = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS |
+ REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_BYPASS,
+ .min_uV = 900000,
+ .max_uV = 3300000,
+ },
+
+ .num_consumer_supplies = 1,
+};
+
static int arizona_micsupp_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
+ const struct regulator_desc *desc;
struct regulator_config config = { };
struct arizona_micsupp *micsupp;
int ret;
@@ -207,7 +247,17 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
* default init_data for it. This will be overridden with
* platform data if provided.
*/
- micsupp->init_data = arizona_micsupp_default;
+ switch (arizona->type) {
+ case WM5110:
+ desc = &arizona_micsupp_ext;
+ micsupp->init_data = arizona_micsupp_ext_default;
+ break;
+ default:
+ desc = &arizona_micsupp;
+ micsupp->init_data = arizona_micsupp_default;
+ break;
+ }
+
micsupp->init_data.consumer_supplies = &micsupp->supply;
micsupp->supply.supply = "MICVDD";
micsupp->supply.dev_name = dev_name(arizona->dev);
@@ -226,7 +276,7 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
ARIZONA_CPMIC_BYPASS, 0);
micsupp->regulator = devm_regulator_register(&pdev->dev,
- &arizona_micsupp,
+ desc,
&config);
if (IS_ERR(micsupp->regulator)) {
ret = PTR_ERR(micsupp->regulator);
diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c
index 5917fe3dc983..b9f1d24c6812 100644
--- a/drivers/regulator/as3722-regulator.c
+++ b/drivers/regulator/as3722-regulator.c
@@ -590,8 +590,8 @@ static int as3722_sd016_set_current_limit(struct regulator_dev *rdev,
default:
return -EINVAL;
}
+ ret <<= ffs(mask) - 1;
val = ret & mask;
- val <<= ffs(mask) - 1;
return as3722_update_bits(as3722, reg, mask, val);
}
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 6382f0af353b..d85f31385b24 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -119,6 +119,11 @@ static const char *rdev_get_name(struct regulator_dev *rdev)
return "";
}
+static bool have_full_constraints(void)
+{
+ return has_full_constraints || of_have_populated_dt();
+}
+
/**
* of_get_regulator - get a regulator device node based on supply name
* @dev: Device pointer for the consumer (of regulator) device
@@ -1340,7 +1345,7 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
* Assume that a regulator is physically present and enabled
* even if it isn't hooked up and just provide a dummy.
*/
- if (has_full_constraints && allow_dummy) {
+ if (have_full_constraints() && allow_dummy) {
pr_warn("%s supply %s not found, using dummy regulator\n",
devname, id);
@@ -2184,6 +2189,9 @@ int regulator_list_voltage(struct regulator *regulator, unsigned selector)
struct regulator_ops *ops = rdev->desc->ops;
int ret;
+ if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector)
+ return rdev->desc->fixed_uV;
+
if (!ops->list_voltage || selector >= rdev->desc->n_voltages)
return -EINVAL;
@@ -3624,7 +3632,7 @@ int regulator_suspend_finish(void)
if (error)
ret = error;
} else {
- if (!has_full_constraints)
+ if (!have_full_constraints())
goto unlock;
if (!ops->disable)
goto unlock;
@@ -3822,7 +3830,7 @@ static int __init regulator_init_complete(void)
if (!enabled)
goto unlock;
- if (has_full_constraints) {
+ if (have_full_constraints()) {
/* We log since this may kill the system if it
* goes wrong. */
rdev_info(rdev, "disabling\n");
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 04406a918c04..234960dc9607 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -139,6 +139,7 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
struct property *prop;
const char *regtype;
int proplen, gpio, i;
+ int ret;
config = devm_kzalloc(dev,
sizeof(struct gpio_regulator_config),
@@ -202,7 +203,11 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
}
config->nr_states = i;
- of_property_read_string(np, "regulator-type", &regtype);
+ ret = of_property_read_string(np, "regulator-type", &regtype);
+ if (ret < 0) {
+ dev_err(dev, "Missing 'regulator-type' property\n");
+ return ERR_PTR(-EINVAL);
+ }
if (!strncmp("voltage", regtype, 7))
config->type = REGULATOR_VOLTAGE;
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index ba67b2c4e2e7..8b5e4c712a01 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -38,7 +38,7 @@
#define PFUZE100_DEVICEID 0x0
#define PFUZE100_REVID 0x3
-#define PFUZE100_FABID 0x3
+#define PFUZE100_FABID 0x4
#define PFUZE100_SW1ABVOL 0x20
#define PFUZE100_SW1CVOL 0x2e
@@ -308,9 +308,15 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip)
if (ret)
return ret;
- if (value & 0x0f) {
- dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value);
- return -ENODEV;
+ switch (value & 0x0f) {
+ /* Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 as ID=8 */
+ case 0x8:
+ dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8");
+ case 0x0:
+ break;
+ default:
+ dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value);
+ return -ENODEV;
}
ret = regmap_read(pfuze_chip->regmap, PFUZE100_REVID, &value);
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 333677d68d0e..9e61922d8230 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -438,7 +438,7 @@ common_reg:
platform_set_drvdata(pdev, s2mps11);
config.dev = &pdev->dev;
- config.regmap = iodev->regmap;
+ config.regmap = iodev->regmap_pmic;
config.driver_data = s2mps11;
for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) {
if (!reg_np) {
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index cbf91e25cf7f..aeb40aad0ae7 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -925,7 +925,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
config.dev = s5m8767->dev;
config.init_data = pdata->regulators[i].initdata;
config.driver_data = s5m8767;
- config.regmap = iodev->regmap;
+ config.regmap = iodev->regmap_pmic;
config.of_node = pdata->regulators[i].reg_node;
rdev[i] = devm_regulator_register(&pdev->dev, &regulators[id],
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index c0da95e95702..3281c90691c3 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -220,6 +220,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
at91_alarm_year = tm.tm_year;
+ tm.tm_mon = alrm->time.tm_mon;
+ tm.tm_mday = alrm->time.tm_mday;
tm.tm_hour = alrm->time.tm_hour;
tm.tm_min = alrm->time.tm_min;
tm.tm_sec = alrm->time.tm_sec;
diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c
index b7fd02bc0a14..ae8119dc2846 100644
--- a/drivers/rtc/rtc-s5m.c
+++ b/drivers/rtc/rtc-s5m.c
@@ -28,10 +28,20 @@
#include <linux/mfd/samsung/irq.h>
#include <linux/mfd/samsung/rtc.h>
+/*
+ * Maximum number of retries for checking changes in UDR field
+ * of SEC_RTC_UDR_CON register (to limit possible endless loop).
+ *
+ * After writing to RTC registers (setting time or alarm) read the UDR field
+ * in SEC_RTC_UDR_CON register. UDR is auto-cleared when data have
+ * been transferred.
+ */
+#define UDR_READ_RETRY_CNT 5
+
struct s5m_rtc_info {
struct device *dev;
struct sec_pmic_dev *s5m87xx;
- struct regmap *rtc;
+ struct regmap *regmap;
struct rtc_device *rtc_dev;
int irq;
int device_type;
@@ -84,12 +94,31 @@ static int s5m8767_tm_to_data(struct rtc_time *tm, u8 *data)
}
}
+/*
+ * Read RTC_UDR_CON register and wait till UDR field is cleared.
+ * This indicates that time/alarm update ended.
+ */
+static inline int s5m8767_wait_for_udr_update(struct s5m_rtc_info *info)
+{
+ int ret, retry = UDR_READ_RETRY_CNT;
+ unsigned int data;
+
+ do {
+ ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &data);
+ } while (--retry && (data & RTC_UDR_MASK) && !ret);
+
+ if (!retry)
+ dev_err(info->dev, "waiting for UDR update, reached max number of retries\n");
+
+ return ret;
+}
+
static inline int s5m8767_rtc_set_time_reg(struct s5m_rtc_info *info)
{
int ret;
unsigned int data;
- ret = regmap_read(info->rtc, SEC_RTC_UDR_CON, &data);
+ ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &data);
if (ret < 0) {
dev_err(info->dev, "failed to read update reg(%d)\n", ret);
return ret;
@@ -98,15 +127,13 @@ static inline int s5m8767_rtc_set_time_reg(struct s5m_rtc_info *info)
data |= RTC_TIME_EN_MASK;
data |= RTC_UDR_MASK;
- ret = regmap_write(info->rtc, SEC_RTC_UDR_CON, data);
+ ret = regmap_write(info->regmap, SEC_RTC_UDR_CON, data);
if (ret < 0) {
dev_err(info->dev, "failed to write update reg(%d)\n", ret);
return ret;
}
- do {
- ret = regmap_read(info->rtc, SEC_RTC_UDR_CON, &data);
- } while ((data & RTC_UDR_MASK) && !ret);
+ ret = s5m8767_wait_for_udr_update(info);
return ret;
}
@@ -116,7 +143,7 @@ static inline int s5m8767_rtc_set_alarm_reg(struct s5m_rtc_info *info)
int ret;
unsigned int data;
- ret = regmap_read(info->rtc, SEC_RTC_UDR_CON, &data);
+ ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &data);
if (ret < 0) {
dev_err(info->dev, "%s: fail to read update reg(%d)\n",
__func__, ret);
@@ -126,16 +153,14 @@ static inline int s5m8767_rtc_set_alarm_reg(struct s5m_rtc_info *info)
data &= ~RTC_TIME_EN_MASK;
data |= RTC_UDR_MASK;
- ret = regmap_write(info->rtc, SEC_RTC_UDR_CON, data);
+ ret = regmap_write(info->regmap, SEC_RTC_UDR_CON, data);
if (ret < 0) {
dev_err(info->dev, "%s: fail to write update reg(%d)\n",
__func__, ret);
return ret;
}
- do {
- ret = regmap_read(info->rtc, SEC_RTC_UDR_CON, &data);
- } while ((data & RTC_UDR_MASK) && !ret);
+ ret = s5m8767_wait_for_udr_update(info);
return ret;
}
@@ -178,7 +203,7 @@ static int s5m_rtc_read_time(struct device *dev, struct rtc_time *tm)
u8 data[8];
int ret;
- ret = regmap_bulk_read(info->rtc, SEC_RTC_SEC, data, 8);
+ ret = regmap_bulk_read(info->regmap, SEC_RTC_SEC, data, 8);
if (ret < 0)
return ret;
@@ -226,7 +251,7 @@ static int s5m_rtc_set_time(struct device *dev, struct rtc_time *tm)
1900 + tm->tm_year, 1 + tm->tm_mon, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec, tm->tm_wday);
- ret = regmap_raw_write(info->rtc, SEC_RTC_SEC, data, 8);
+ ret = regmap_raw_write(info->regmap, SEC_RTC_SEC, data, 8);
if (ret < 0)
return ret;
@@ -242,20 +267,20 @@ static int s5m_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
unsigned int val;
int ret, i;
- ret = regmap_bulk_read(info->rtc, SEC_ALARM0_SEC, data, 8);
+ ret = regmap_bulk_read(info->regmap, SEC_ALARM0_SEC, data, 8);
if (ret < 0)
return ret;
switch (info->device_type) {
case S5M8763X:
s5m8763_data_to_tm(data, &alrm->time);
- ret = regmap_read(info->rtc, SEC_ALARM0_CONF, &val);
+ ret = regmap_read(info->regmap, SEC_ALARM0_CONF, &val);
if (ret < 0)
return ret;
alrm->enabled = !!val;
- ret = regmap_read(info->rtc, SEC_RTC_STATUS, &val);
+ ret = regmap_read(info->regmap, SEC_RTC_STATUS, &val);
if (ret < 0)
return ret;
@@ -278,7 +303,7 @@ static int s5m_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
}
alrm->pending = 0;
- ret = regmap_read(info->rtc, SEC_RTC_STATUS, &val);
+ ret = regmap_read(info->regmap, SEC_RTC_STATUS, &val);
if (ret < 0)
return ret;
break;
@@ -301,7 +326,7 @@ static int s5m_rtc_stop_alarm(struct s5m_rtc_info *info)
int ret, i;
struct rtc_time tm;
- ret = regmap_bulk_read(info->rtc, SEC_ALARM0_SEC, data, 8);
+ ret = regmap_bulk_read(info->regmap, SEC_ALARM0_SEC, data, 8);
if (ret < 0)
return ret;
@@ -312,14 +337,14 @@ static int s5m_rtc_stop_alarm(struct s5m_rtc_info *info)
switch (info->device_type) {
case S5M8763X:
- ret = regmap_write(info->rtc, SEC_ALARM0_CONF, 0);
+ ret = regmap_write(info->regmap, SEC_ALARM0_CONF, 0);
break;
case S5M8767X:
for (i = 0; i < 7; i++)
data[i] &= ~ALARM_ENABLE_MASK;
- ret = regmap_raw_write(info->rtc, SEC_ALARM0_SEC, data, 8);
+ ret = regmap_raw_write(info->regmap, SEC_ALARM0_SEC, data, 8);
if (ret < 0)
return ret;
@@ -341,7 +366,7 @@ static int s5m_rtc_start_alarm(struct s5m_rtc_info *info)
u8 alarm0_conf;
struct rtc_time tm;
- ret = regmap_bulk_read(info->rtc, SEC_ALARM0_SEC, data, 8);
+ ret = regmap_bulk_read(info->regmap, SEC_ALARM0_SEC, data, 8);
if (ret < 0)
return ret;
@@ -353,7 +378,7 @@ static int s5m_rtc_start_alarm(struct s5m_rtc_info *info)
switch (info->device_type) {
case S5M8763X:
alarm0_conf = 0x77;
- ret = regmap_write(info->rtc, SEC_ALARM0_CONF, alarm0_conf);
+ ret = regmap_write(info->regmap, SEC_ALARM0_CONF, alarm0_conf);
break;
case S5M8767X:
@@ -368,7 +393,7 @@ static int s5m_rtc_start_alarm(struct s5m_rtc_info *info)
if (data[RTC_YEAR1] & 0x7f)
data[RTC_YEAR1] |= ALARM_ENABLE_MASK;
- ret = regmap_raw_write(info->rtc, SEC_ALARM0_SEC, data, 8);
+ ret = regmap_raw_write(info->regmap, SEC_ALARM0_SEC, data, 8);
if (ret < 0)
return ret;
ret = s5m8767_rtc_set_alarm_reg(info);
@@ -410,7 +435,7 @@ static int s5m_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
if (ret < 0)
return ret;
- ret = regmap_raw_write(info->rtc, SEC_ALARM0_SEC, data, 8);
+ ret = regmap_raw_write(info->regmap, SEC_ALARM0_SEC, data, 8);
if (ret < 0)
return ret;
@@ -455,7 +480,7 @@ static const struct rtc_class_ops s5m_rtc_ops = {
static void s5m_rtc_enable_wtsr(struct s5m_rtc_info *info, bool enable)
{
int ret;
- ret = regmap_update_bits(info->rtc, SEC_WTSR_SMPL_CNTL,
+ ret = regmap_update_bits(info->regmap, SEC_WTSR_SMPL_CNTL,
WTSR_ENABLE_MASK,
enable ? WTSR_ENABLE_MASK : 0);
if (ret < 0)
@@ -466,7 +491,7 @@ static void s5m_rtc_enable_wtsr(struct s5m_rtc_info *info, bool enable)
static void s5m_rtc_enable_smpl(struct s5m_rtc_info *info, bool enable)
{
int ret;
- ret = regmap_update_bits(info->rtc, SEC_WTSR_SMPL_CNTL,
+ ret = regmap_update_bits(info->regmap, SEC_WTSR_SMPL_CNTL,
SMPL_ENABLE_MASK,
enable ? SMPL_ENABLE_MASK : 0);
if (ret < 0)
@@ -481,7 +506,7 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
int ret;
struct rtc_time tm;
- ret = regmap_read(info->rtc, SEC_RTC_UDR_CON, &tp_read);
+ ret = regmap_read(info->regmap, SEC_RTC_UDR_CON, &tp_read);
if (ret < 0) {
dev_err(info->dev, "%s: fail to read control reg(%d)\n",
__func__, ret);
@@ -493,7 +518,7 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
data[1] = (0 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
info->rtc_24hr_mode = 1;
- ret = regmap_raw_write(info->rtc, SEC_ALARM0_CONF, data, 2);
+ ret = regmap_raw_write(info->regmap, SEC_ALARM0_CONF, data, 2);
if (ret < 0) {
dev_err(info->dev, "%s: fail to write controlm reg(%d)\n",
__func__, ret);
@@ -515,7 +540,7 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
ret = s5m_rtc_set_time(info->dev, &tm);
}
- ret = regmap_update_bits(info->rtc, SEC_RTC_UDR_CON,
+ ret = regmap_update_bits(info->regmap, SEC_RTC_UDR_CON,
RTC_TCON_MASK, tp_read | RTC_TCON_MASK);
if (ret < 0)
dev_err(info->dev, "%s: fail to update TCON reg(%d)\n",
@@ -542,17 +567,19 @@ static int s5m_rtc_probe(struct platform_device *pdev)
info->dev = &pdev->dev;
info->s5m87xx = s5m87xx;
- info->rtc = s5m87xx->rtc;
+ info->regmap = s5m87xx->regmap_rtc;
info->device_type = s5m87xx->device_type;
info->wtsr_smpl = s5m87xx->wtsr_smpl;
switch (pdata->device_type) {
case S5M8763X:
- info->irq = s5m87xx->irq_base + S5M8763_IRQ_ALARM0;
+ info->irq = regmap_irq_get_virq(s5m87xx->irq_data,
+ S5M8763_IRQ_ALARM0);
break;
case S5M8767X:
- info->irq = s5m87xx->irq_base + S5M8767_IRQ_RTCA1;
+ info->irq = regmap_irq_get_virq(s5m87xx->irq_data,
+ S5M8767_IRQ_RTCA1);
break;
default:
@@ -596,7 +623,7 @@ static void s5m_rtc_shutdown(struct platform_device *pdev)
if (info->wtsr_smpl) {
for (i = 0; i < 3; i++) {
s5m_rtc_enable_wtsr(info, false);
- regmap_read(info->rtc, SEC_WTSR_SMPL_CNTL, &val);
+ regmap_read(info->regmap, SEC_WTSR_SMPL_CNTL, &val);
pr_debug("%s: WTSR_SMPL reg(0x%02x)\n", __func__, val);
if (val & WTSR_ENABLE_MASK)
pr_emerg("%s: fail to disable WTSR\n",
@@ -612,6 +639,30 @@ static void s5m_rtc_shutdown(struct platform_device *pdev)
s5m_rtc_enable_smpl(info, false);
}
+static int s5m_rtc_resume(struct device *dev)
+{
+ struct s5m_rtc_info *info = dev_get_drvdata(dev);
+ int ret = 0;
+
+ if (device_may_wakeup(dev))
+ ret = disable_irq_wake(info->irq);
+
+ return ret;
+}
+
+static int s5m_rtc_suspend(struct device *dev)
+{
+ struct s5m_rtc_info *info = dev_get_drvdata(dev);
+ int ret = 0;
+
+ if (device_may_wakeup(dev))
+ ret = enable_irq_wake(info->irq);
+
+ return ret;
+}
+
+static SIMPLE_DEV_PM_OPS(s5m_rtc_pm_ops, s5m_rtc_suspend, s5m_rtc_resume);
+
static const struct platform_device_id s5m_rtc_id[] = {
{ "s5m-rtc", 0 },
};
@@ -620,6 +671,7 @@ static struct platform_driver s5m_rtc_driver = {
.driver = {
.name = "s5m-rtc",
.owner = THIS_MODULE,
+ .pm = &s5m_rtc_pm_ops,
},
.probe = s5m_rtc_probe,
.shutdown = s5m_rtc_shutdown,
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index cee7e2708a1f..95e45782692f 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3224,6 +3224,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
fcx_multitrack = private->features.feature[40] & 0x20;
data_size = blk_rq_bytes(req);
+ if (data_size % blksize)
+ return ERR_PTR(-EINVAL);
/* tpm write request add CBC data on each track boundary */
if (rq_data_dir(req) == WRITE)
data_size += (last_trk - first_trk) * 4;
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index f64921756ad6..f224d59c4b6b 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -87,7 +87,6 @@ void dasd_gendisk_free(struct dasd_block *block)
{
if (block->gdp) {
del_gendisk(block->gdp);
- block->gdp->queue = NULL;
block->gdp->private_data = NULL;
put_disk(block->gdp);
block->gdp = NULL;
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index f7aa080e9b28..1465e9563101 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -35,7 +35,6 @@ struct read_info_sccb {
u8 _reserved5[4096 - 112]; /* 112-4095 */
} __packed __aligned(PAGE_SIZE);
-static __initdata struct init_sccb early_event_mask_sccb __aligned(PAGE_SIZE);
static __initdata struct read_info_sccb early_read_info_sccb;
static __initdata char sccb_early[PAGE_SIZE] __aligned(PAGE_SIZE);
static unsigned long sclp_hsa_size;
@@ -113,7 +112,7 @@ static void __init sclp_facilities_detect(void)
bool __init sclp_has_linemode(void)
{
- struct init_sccb *sccb = &early_event_mask_sccb;
+ struct init_sccb *sccb = (void *) &sccb_early;
if (sccb->header.response_code != 0x20)
return 0;
@@ -126,7 +125,7 @@ bool __init sclp_has_linemode(void)
bool __init sclp_has_vt220(void)
{
- struct init_sccb *sccb = &early_event_mask_sccb;
+ struct init_sccb *sccb = (void *) &sccb_early;
if (sccb->header.response_code != 0x20)
return 0;
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 3f4ca4e09a4c..34629ea913d4 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -942,7 +942,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
return rc;
}
- tp->screen = tty3270_alloc_screen(tp->view.cols, tp->view.rows);
+ tp->screen = tty3270_alloc_screen(tp->view.rows, tp->view.cols);
if (IS_ERR(tp->screen)) {
rc = PTR_ERR(tp->screen);
raw3270_put_view(&tp->view);
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 5e1e12c0cf42..0a7325361d29 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -2025,7 +2025,8 @@ static struct scsi_host_template driver_template = {
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = twa_host_attrs,
- .emulated = 1
+ .emulated = 1,
+ .no_write_same = 1,
};
/* This function will probe and initialize a card */
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index c845bdbeb6c0..4de346017e9f 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -1600,7 +1600,8 @@ static struct scsi_host_template driver_template = {
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = twl_host_attrs,
- .emulated = 1
+ .emulated = 1,
+ .no_write_same = 1,
};
/* This function will probe and initialize a card */
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index b9276d10b25c..752624e6bc00 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -2279,7 +2279,8 @@ static struct scsi_host_template driver_template = {
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = tw_host_attrs,
- .emulated = 1
+ .emulated = 1,
+ .no_write_same = 1,
};
/* This function will probe and initialize a card */
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index f0d432c139d0..4921ed19a027 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1081,6 +1081,7 @@ static struct scsi_host_template aac_driver_template = {
#endif
.use_clustering = ENABLE_CLUSTERING,
.emulated = 1,
+ .no_write_same = 1,
};
static void __aac_shutdown(struct aac_dev * aac)
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 97fd450aff09..4f6a30b8e5f9 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -137,6 +137,7 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
.cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
+ .no_write_same = 1,
};
static struct pci_device_id arcmsr_device_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
diff --git a/drivers/scsi/bfa/bfa_fcs.h b/drivers/scsi/bfa/bfa_fcs.h
index 94d5d0102f7d..42bcb970445a 100644
--- a/drivers/scsi/bfa/bfa_fcs.h
+++ b/drivers/scsi/bfa/bfa_fcs.h
@@ -296,6 +296,7 @@ wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn,
struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs,
u16 vf_id, wwn_t lpwwn);
+void bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port, char *symname);
void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
struct bfa_lport_info_s *port_info);
void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port,
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 2f61a5af3658..f5e4e61a0fd7 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -1097,6 +1097,17 @@ bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
}
+void
+bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
+ char *symname)
+{
+ strcpy(port->port_cfg.sym_name.symname, symname);
+
+ if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
+ bfa_fcs_lport_ns_util_send_rspn_id(
+ BFA_FCS_GET_NS_FROM_PORT(port), NULL);
+}
+
/*
* fcs_lport_api
*/
@@ -5140,9 +5151,6 @@ bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
u8 *psymbl = &symbl[0];
int len;
- if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
- return;
-
/* Avoid sending RSPN in the following states. */
if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index e9a681d31223..40be670a1cbc 100644
--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -593,11 +593,8 @@ bfad_im_vport_set_symbolic_name(struct fc_vport *fc_vport)
return;
spin_lock_irqsave(&bfad->bfad_lock, flags);
- if (strlen(sym_name) > 0) {
- strcpy(fcs_vport->lport.port_cfg.sym_name.symname, sym_name);
- bfa_fcs_lport_ns_util_send_rspn_id(
- BFA_FCS_GET_NS_FROM_PORT((&fcs_vport->lport)), NULL);
- }
+ if (strlen(sym_name) > 0)
+ bfa_fcs_lport_set_symname(&fcs_vport->lport, sym_name);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index ee4fa40a50b1..ce5ef0190bad 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -4684,6 +4684,7 @@ static struct scsi_host_template gdth_template = {
.cmd_per_lun = GDTH_MAXC_P_L,
.unchecked_isa_dma = 1,
.use_clustering = ENABLE_CLUSTERING,
+ .no_write_same = 1,
};
#ifdef CONFIG_ISA
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index f334859024c0..f2c5005f312a 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -395,6 +395,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
shost->use_clustering = sht->use_clustering;
shost->ordered_tag = sht->ordered_tag;
shost->eh_deadline = shost_eh_deadline * HZ;
+ shost->no_write_same = sht->no_write_same;
if (sht->supported_mode == MODE_UNKNOWN)
/* means we didn't set it ... default to INITIATOR */
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 22f6432eb475..20a5e6ecf945 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -561,6 +561,7 @@ static struct scsi_host_template hpsa_driver_template = {
.sdev_attrs = hpsa_sdev_attrs,
.shost_attrs = hpsa_shost_attrs,
.max_sectors = 8192,
+ .no_write_same = 1,
};
@@ -1288,7 +1289,7 @@ static void complete_scsi_command(struct CommandList *cp)
"has check condition: aborted command: "
"ASC: 0x%x, ASCQ: 0x%x\n",
cp, asc, ascq);
- cmd->result = DID_SOFT_ERROR << 16;
+ cmd->result |= DID_SOFT_ERROR << 16;
break;
}
/* Must be some other type of check condition */
@@ -4925,7 +4926,7 @@ reinit_after_soft_reset:
hpsa_hba_inquiry(h);
hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */
start_controller_lockup_detector(h);
- return 1;
+ return 0;
clean4:
hpsa_free_sg_chain_blocks(h);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 36ac1c34ce97..573f4128b6b6 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -6305,7 +6305,8 @@ static struct scsi_host_template driver_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = ipr_ioa_attrs,
.sdev_attrs = ipr_dev_attrs,
- .proc_name = IPR_NAME
+ .proc_name = IPR_NAME,
+ .no_write_same = 1,
};
/**
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 8d5ea8a1e5a6..52a216f21ae5 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -374,6 +374,7 @@ static struct scsi_host_template ips_driver_template = {
.sg_tablesize = IPS_MAX_SG,
.cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING,
+ .no_write_same = 1,
};
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 161c98efade9..d2895836f9fa 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -211,7 +211,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
qc->tf.nsect = 0;
}
- ata_tf_to_fis(&qc->tf, 1, 0, (u8*)&task->ata_task.fis);
+ ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *)&task->ata_task.fis);
task->uldd_task = qc;
if (ata_is_atapi(qc->tf.protocol)) {
memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len);
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 90c95a3385d1..816db12ef5d5 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4244,6 +4244,7 @@ static struct scsi_host_template megaraid_template = {
.eh_device_reset_handler = megaraid_reset,
.eh_bus_reset_handler = megaraid_reset,
.eh_host_reset_handler = megaraid_reset,
+ .no_write_same = 1,
};
static int
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index d1a4b82836ea..e2237a97cb9d 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -367,6 +367,7 @@ static struct scsi_host_template megaraid_template_g = {
.eh_host_reset_handler = megaraid_reset_handler,
.change_queue_depth = megaraid_change_queue_depth,
.use_clustering = ENABLE_CLUSTERING,
+ .no_write_same = 1,
.sdev_attrs = megaraid_sdev_attrs,
.shost_attrs = megaraid_shost_attrs,
};
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 0a743a5d1647..c99812bf2a73 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2148,6 +2148,7 @@ static struct scsi_host_template megasas_template = {
.bios_param = megasas_bios_param,
.use_clustering = ENABLE_CLUSTERING,
.change_queue_depth = megasas_change_queue_depth,
+ .no_write_same = 1,
};
/**
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index f16ece91b94a..0a1296a87d66 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -3403,6 +3403,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
unsigned long flags;
u8 deviceType = pPayload->sas_identify.dev_type;
port->port_state = portstate;
+ phy->phy_state = PHY_STATE_LINK_UP_SPC;
PM8001_MSG_DBG(pm8001_ha,
pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
port_id, phy_id));
@@ -3483,6 +3484,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
" phy id = %d\n", port_id, phy_id));
port->port_state = portstate;
+ phy->phy_state = PHY_STATE_LINK_UP_SPC;
port->port_attached = 1;
pm8001_get_lrate_mode(phy, link_rate);
phy->phy_type |= PORT_TYPE_SATA;
diff --git a/drivers/scsi/pm8001/pm8001_hwi.h b/drivers/scsi/pm8001/pm8001_hwi.h
index 6d91e2446542..e4867e690c84 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.h
+++ b/drivers/scsi/pm8001/pm8001_hwi.h
@@ -131,6 +131,10 @@
#define LINKRATE_30 (0x02 << 8)
#define LINKRATE_60 (0x04 << 8)
+/* for phy state */
+
+#define PHY_STATE_LINK_UP_SPC 0x1
+
/* for new SPC controllers MEMBASE III is shared between BIOS and DATA */
#define GSM_SM_BASE 0x4F0000
struct mpi_msg_hdr{
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 34f5f5ffef05..73a120d81b4d 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -175,20 +175,16 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
static void pm8001_tasklet(unsigned long opaque)
{
struct pm8001_hba_info *pm8001_ha;
- u32 vec;
- pm8001_ha = (struct pm8001_hba_info *)opaque;
+ struct isr_param *irq_vector;
+
+ irq_vector = (struct isr_param *)opaque;
+ pm8001_ha = irq_vector->drv_inst;
if (unlikely(!pm8001_ha))
BUG_ON(1);
- vec = pm8001_ha->int_vector;
- PM8001_CHIP_DISP->isr(pm8001_ha, vec);
+ PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
}
#endif
-static struct pm8001_hba_info *outq_to_hba(u8 *outq)
-{
- return container_of((outq - *outq), struct pm8001_hba_info, outq[0]);
-}
-
/**
* pm8001_interrupt_handler_msix - main MSIX interrupt handler.
* It obtains the vector number and calls the equivalent bottom
@@ -198,18 +194,20 @@ static struct pm8001_hba_info *outq_to_hba(u8 *outq)
*/
static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
{
- struct pm8001_hba_info *pm8001_ha = outq_to_hba(opaque);
- u8 outq = *(u8 *)opaque;
+ struct isr_param *irq_vector;
+ struct pm8001_hba_info *pm8001_ha;
irqreturn_t ret = IRQ_HANDLED;
+ irq_vector = (struct isr_param *)opaque;
+ pm8001_ha = irq_vector->drv_inst;
+
if (unlikely(!pm8001_ha))
return IRQ_NONE;
if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
return IRQ_NONE;
- pm8001_ha->int_vector = outq;
#ifdef PM8001_USE_TASKLET
- tasklet_schedule(&pm8001_ha->tasklet);
+ tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]);
#else
- ret = PM8001_CHIP_DISP->isr(pm8001_ha, outq);
+ ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
#endif
return ret;
}
@@ -230,9 +228,8 @@ static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
return IRQ_NONE;
- pm8001_ha->int_vector = 0;
#ifdef PM8001_USE_TASKLET
- tasklet_schedule(&pm8001_ha->tasklet);
+ tasklet_schedule(&pm8001_ha->tasklet[0]);
#else
ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
#endif
@@ -457,7 +454,7 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
{
struct pm8001_hba_info *pm8001_ha;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
-
+ int j;
pm8001_ha = sha->lldd_ha;
if (!pm8001_ha)
@@ -480,12 +477,14 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
pm8001_ha->iomb_size = IOMB_SIZE_SPC;
#ifdef PM8001_USE_TASKLET
- /**
- * default tasklet for non msi-x interrupt handler/first msi-x
- * interrupt handler
- **/
- tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
- (unsigned long)pm8001_ha);
+ /* Tasklet for non msi-x interrupt handler */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[0]));
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[j]));
#endif
pm8001_ioremap(pm8001_ha);
if (!pm8001_alloc(pm8001_ha, ent))
@@ -733,19 +732,20 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
"pci_enable_msix request ret:%d no of intr %d\n",
rc, pm8001_ha->number_of_intr));
- for (i = 0; i < number_of_intr; i++)
- pm8001_ha->outq[i] = i;
for (i = 0; i < number_of_intr; i++) {
snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
DRV_NAME"%d", i);
+ pm8001_ha->irq_vector[i].irq_id = i;
+ pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
+
if (request_irq(pm8001_ha->msix_entries[i].vector,
pm8001_interrupt_handler_msix, flag,
- intr_drvname[i], &pm8001_ha->outq[i])) {
+ intr_drvname[i], &(pm8001_ha->irq_vector[i]))) {
for (j = 0; j < i; j++)
free_irq(
pm8001_ha->msix_entries[j].vector,
- &pm8001_ha->outq[j]);
+ &(pm8001_ha->irq_vector[i]));
pci_disable_msix(pm8001_ha->pdev);
break;
}
@@ -907,7 +907,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
{
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
struct pm8001_hba_info *pm8001_ha;
- int i;
+ int i, j;
pm8001_ha = sha->lldd_ha;
sas_unregister_ha(sha);
sas_remove_host(pm8001_ha->shost);
@@ -921,13 +921,18 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
synchronize_irq(pm8001_ha->msix_entries[i].vector);
for (i = 0; i < pm8001_ha->number_of_intr; i++)
free_irq(pm8001_ha->msix_entries[i].vector,
- &pm8001_ha->outq[i]);
+ &(pm8001_ha->irq_vector[i]));
pci_disable_msix(pdev);
#else
free_irq(pm8001_ha->irq, sha);
#endif
#ifdef PM8001_USE_TASKLET
- tasklet_kill(&pm8001_ha->tasklet);
+ /* For non-msix and msix interrupts */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_kill(&pm8001_ha->tasklet[0]);
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_kill(&pm8001_ha->tasklet[j]);
#endif
pm8001_free(pm8001_ha);
kfree(sha->sas_phy);
@@ -948,7 +953,7 @@ static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
struct pm8001_hba_info *pm8001_ha;
- int i;
+ int i, j;
u32 device_state;
pm8001_ha = sha->lldd_ha;
flush_workqueue(pm8001_wq);
@@ -964,13 +969,18 @@ static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
synchronize_irq(pm8001_ha->msix_entries[i].vector);
for (i = 0; i < pm8001_ha->number_of_intr; i++)
free_irq(pm8001_ha->msix_entries[i].vector,
- &pm8001_ha->outq[i]);
+ &(pm8001_ha->irq_vector[i]));
pci_disable_msix(pdev);
#else
free_irq(pm8001_ha->irq, sha);
#endif
#ifdef PM8001_USE_TASKLET
- tasklet_kill(&pm8001_ha->tasklet);
+ /* For non-msix and msix interrupts */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_kill(&pm8001_ha->tasklet[0]);
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_kill(&pm8001_ha->tasklet[j]);
#endif
device_state = pci_choose_state(pdev, state);
pm8001_printk("pdev=0x%p, slot=%s, entering "
@@ -993,7 +1003,7 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
struct pm8001_hba_info *pm8001_ha;
int rc;
- u8 i = 0;
+ u8 i = 0, j;
u32 device_state;
pm8001_ha = sha->lldd_ha;
device_state = pdev->current_state;
@@ -1033,10 +1043,14 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
if (rc)
goto err_out_disable;
#ifdef PM8001_USE_TASKLET
- /* default tasklet for non msi-x interrupt handler/first msi-x
- * interrupt handler */
- tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
- (unsigned long)pm8001_ha);
+ /* Tasklet for non msi-x interrupt handler */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[0]));
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[j]));
#endif
PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
if (pm8001_ha->chip_id != chip_8001) {
@@ -1169,6 +1183,7 @@ module_exit(pm8001_exit);
MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
+MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
MODULE_DESCRIPTION(
"PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 "
"SAS/SATA controller driver");
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index f4eb18e51631..f50ac44b950e 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1098,15 +1098,17 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
struct pm8001_tmf_task tmf_task;
struct pm8001_device *pm8001_dev = dev->lldd_dev;
struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev);
+ DECLARE_COMPLETION_ONSTACK(completion_setstate);
if (dev_is_sata(dev)) {
struct sas_phy *phy = sas_get_local_phy(dev);
rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
dev, 1, 0);
rc = sas_phy_reset(phy, 1);
sas_put_local_phy(phy);
+ pm8001_dev->setds_completion = &completion_setstate;
rc = PM8001_CHIP_DISP->set_dev_state_req(pm8001_ha,
pm8001_dev, 0x01);
- msleep(2000);
+ wait_for_completion(&completion_setstate);
} else {
tmf_task.tmf = TMF_LU_RESET;
rc = pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index 6037d477a183..6c5fd5ee22d3 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -466,6 +466,10 @@ struct pm8001_hba_memspace {
u64 membase;
u32 memsize;
};
+struct isr_param {
+ struct pm8001_hba_info *drv_inst;
+ u32 irq_id;
+};
struct pm8001_hba_info {
char name[PM8001_NAME_LENGTH];
struct list_head list;
@@ -519,14 +523,13 @@ struct pm8001_hba_info {
int number_of_intr;/*will be used in remove()*/
#endif
#ifdef PM8001_USE_TASKLET
- struct tasklet_struct tasklet;
+ struct tasklet_struct tasklet[PM8001_MAX_MSIX_VEC];
#endif
u32 logging_level;
u32 fw_status;
u32 smp_exp_mode;
- u32 int_vector;
const struct firmware *fw_image;
- u8 outq[PM8001_MAX_MSIX_VEC];
+ struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
};
struct pm8001_work {
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 8987b1706216..c950dc5c9943 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -2894,6 +2894,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
unsigned long flags;
u8 deviceType = pPayload->sas_identify.dev_type;
port->port_state = portstate;
+ phy->phy_state = PHY_STATE_LINK_UP_SPCV;
PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
"portid:%d; phyid:%d; linkrate:%d; "
"portstate:%x; devicetype:%x\n",
@@ -2978,6 +2979,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
port_id, phy_id, link_rate, portstate));
port->port_state = portstate;
+ phy->phy_state = PHY_STATE_LINK_UP_SPCV;
port->port_attached = 1;
pm8001_get_lrate_mode(phy, link_rate);
phy->phy_type |= PORT_TYPE_SATA;
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h
index c86816bea424..9970a385795d 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.h
+++ b/drivers/scsi/pm8001/pm80xx_hwi.h
@@ -215,6 +215,8 @@
#define SAS_DOPNRJT_RTRY_TMO 128
#define SAS_COPNRJT_RTRY_TMO 128
+/* for phy state */
+#define PHY_STATE_LINK_UP_SPCV 0x2
/*
Making ORR bigger than IT NEXUS LOSS which is 2000000us = 2 second.
Assuming a bigger value 3 second, 3000000/128 = 23437.5 where 128
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index bd6f743d87a7..be8ce54f99b2 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -1404,11 +1404,22 @@ enum {
};
#define PMCRAID_AEN_CMD_MAX (__PMCRAID_AEN_CMD_MAX - 1)
+static struct genl_multicast_group pmcraid_mcgrps[] = {
+ { .name = "events", /* not really used - see ID discussion below */ },
+};
+
static struct genl_family pmcraid_event_family = {
- .id = GENL_ID_GENERATE,
+ /*
+ * Due to prior multicast group abuse (the code having assumed that
+ * the family ID can be used as a multicast group ID) we need to
+ * statically allocate a family (and thus group) ID.
+ */
+ .id = GENL_ID_PMCRAID,
.name = "pmcraid",
.version = 1,
- .maxattr = PMCRAID_AEN_ATTR_MAX
+ .maxattr = PMCRAID_AEN_ATTR_MAX,
+ .mcgrps = pmcraid_mcgrps,
+ .n_mcgrps = ARRAY_SIZE(pmcraid_mcgrps),
};
/**
@@ -1511,9 +1522,8 @@ static int pmcraid_notify_aen(
return result;
}
- result =
- genlmsg_multicast(&pmcraid_event_family, skb, 0,
- pmcraid_event_family.id, GFP_ATOMIC);
+ result = genlmsg_multicast(&pmcraid_event_family, skb,
+ 0, 0, GFP_ATOMIC);
/* If there are no listeners, genlmsg_multicast may return non-zero
* value.
@@ -4315,6 +4325,7 @@ static struct scsi_host_template pmcraid_host_template = {
.this_id = -1,
.sg_tablesize = PMCRAID_MAX_IOADLS,
.max_sectors = PMCRAID_IOA_MAX_SECTORS,
+ .no_write_same = 1,
.cmd_per_lun = PMCRAID_MAX_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = pmcraid_host_attrs,
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 596480022b0a..38a1257e76e1 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -471,7 +471,7 @@ static void qlt_schedule_sess_for_deletion(struct qla_tgt_sess *sess,
schedule_delayed_work(&tgt->sess_del_work, 0);
else
schedule_delayed_work(&tgt->sess_del_work,
- jiffies - sess->expires);
+ sess->expires - jiffies);
}
/* ha->hardware_lock supposed to be held on entry */
@@ -550,13 +550,14 @@ static void qlt_del_sess_work_fn(struct delayed_work *work)
struct scsi_qla_host *vha = tgt->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt_sess *sess;
- unsigned long flags;
+ unsigned long flags, elapsed;
spin_lock_irqsave(&ha->hardware_lock, flags);
while (!list_empty(&tgt->del_sess_list)) {
sess = list_entry(tgt->del_sess_list.next, typeof(*sess),
del_list_entry);
- if (time_after_eq(jiffies, sess->expires)) {
+ elapsed = jiffies;
+ if (time_after_eq(elapsed, sess->expires)) {
qlt_undelete_sess(sess);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
@@ -566,7 +567,7 @@ static void qlt_del_sess_work_fn(struct delayed_work *work)
ha->tgt.tgt_ops->put_sess(sess);
} else {
schedule_delayed_work(&tgt->sess_del_work,
- jiffies - sess->expires);
+ sess->expires - elapsed);
break;
}
}
@@ -4290,6 +4291,7 @@ int qlt_lport_register(struct qla_tgt_func_tmpl *qla_tgt_ops, u64 wwpn,
if (rc != 0) {
ha->tgt.tgt_ops = NULL;
ha->tgt.target_lport_ptr = NULL;
+ scsi_host_put(host);
}
mutex_unlock(&qla_tgt_mutex);
return rc;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index e6c4bff04339..69725f7c32c1 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2659,6 +2659,12 @@ static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer)
{
struct scsi_device *sdev = sdkp->device;
+ if (sdev->host->no_write_same) {
+ sdev->no_write_same = 1;
+
+ return;
+ }
+
if (scsi_report_opcode(sdev, buffer, SD_BUF_SIZE, INQUIRY) < 0) {
/* too large values might cause issues with arcmsr */
int vpd_buf_len = 64;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 1a28f5632797..17d740427240 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1697,6 +1697,7 @@ static struct scsi_host_template scsi_driver = {
.use_clustering = DISABLE_CLUSTERING,
/* Make sure we dont get a sg segment crosses a page boundary */
.dma_boundary = PAGE_SIZE-1,
+ .no_write_same = 1,
};
enum {
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index eb1f1ef5fa2e..5072b71baf5e 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -118,6 +118,13 @@ config SPI_BCM63XX
help
Enable support for the SPI controller on the Broadcom BCM63xx SoCs.
+config SPI_BCM63XX_HSSPI
+ tristate "Broadcom BCM63XX HS SPI controller driver"
+ depends on BCM63XX || COMPILE_TEST
+ help
+ This enables support for the High Speed SPI controller present on
+ newer Broadcom BCM63XX SoCs.
+
config SPI_BITBANG
tristate "Utilities for Bitbanging SPI masters"
help
@@ -159,7 +166,6 @@ config SPI_DAVINCI
tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller"
depends on ARCH_DAVINCI || ARCH_KEYSTONE
select SPI_BITBANG
- select TI_EDMA
help
SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules.
@@ -301,6 +307,7 @@ config SPI_OMAP_UWIRE
config SPI_OMAP24XX
tristate "McSPI driver for OMAP"
+ depends on ARM || ARM64 || AVR32 || HEXAGON || MIPS || SH
depends on ARCH_OMAP2PLUS || COMPILE_TEST
help
SPI master controller for OMAP24XX and later Multichannel SPI
@@ -370,7 +377,7 @@ config SPI_PXA2XX_PCI
config SPI_RSPI
tristate "Renesas RSPI controller"
- depends on (SUPERH || ARCH_SHMOBILE) && SH_DMAE_BASE
+ depends on (SUPERH && SH_DMAE_BASE) || ARCH_SHMOBILE
help
SPI driver for Renesas RSPI blocks.
@@ -395,7 +402,7 @@ config SPI_S3C24XX_FIQ
config SPI_S3C64XX
tristate "Samsung S3C64XX series type SPI"
depends on PLAT_SAMSUNG
- select S3C64XX_DMA if ARCH_S3C64XX
+ select S3C64XX_PL080 if ARCH_S3C64XX
help
SPI driver for Samsung S3C64XX and newer SoCs.
@@ -407,7 +414,8 @@ config SPI_SC18IS602
config SPI_SH_MSIOF
tristate "SuperH MSIOF SPI controller"
- depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
+ depends on HAVE_CLK
+ depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
select SPI_BITBANG
help
SPI driver for SuperH and SH Mobile MSIOF blocks.
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index ab8d8644af0e..95af48d2d360 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_SPI_ATH79) += spi-ath79.o
obj-$(CONFIG_SPI_AU1550) += spi-au1550.o
obj-$(CONFIG_SPI_BCM2835) += spi-bcm2835.o
obj-$(CONFIG_SPI_BCM63XX) += spi-bcm63xx.o
+obj-$(CONFIG_SPI_BCM63XX_HSSPI) += spi-bcm63xx-hsspi.o
obj-$(CONFIG_SPI_BFIN5XX) += spi-bfin5xx.o
obj-$(CONFIG_SPI_BFIN_V3) += spi-bfin-v3.o
obj-$(CONFIG_SPI_BFIN_SPORT) += spi-bfin-sport.o
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index 595b62cb545d..5d7deaf62867 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -220,8 +220,6 @@ static int altera_spi_probe(struct platform_device *pdev)
/* setup the state for the bitbang driver */
hw->bitbang.master = master;
- if (!hw->bitbang.master)
- return err;
hw->bitbang.chipselect = altera_spi_chipsel;
hw->bitbang.txrx_bufs = altera_spi_txrx;
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index 821bf7ac218d..31534b51715a 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -243,21 +243,21 @@ static int ath79_spi_probe(struct platform_device *pdev)
goto err_put_master;
}
- sp->base = ioremap(r->start, resource_size(r));
+ sp->base = devm_ioremap(&pdev->dev, r->start, resource_size(r));
if (!sp->base) {
ret = -ENXIO;
goto err_put_master;
}
- sp->clk = clk_get(&pdev->dev, "ahb");
+ sp->clk = devm_clk_get(&pdev->dev, "ahb");
if (IS_ERR(sp->clk)) {
ret = PTR_ERR(sp->clk);
- goto err_unmap;
+ goto err_put_master;
}
ret = clk_enable(sp->clk);
if (ret)
- goto err_clk_put;
+ goto err_put_master;
rate = DIV_ROUND_UP(clk_get_rate(sp->clk), MHZ);
if (!rate) {
@@ -280,10 +280,6 @@ err_disable:
ath79_spi_disable(sp);
err_clk_disable:
clk_disable(sp->clk);
-err_clk_put:
- clk_put(sp->clk);
-err_unmap:
- iounmap(sp->base);
err_put_master:
spi_master_put(sp->bitbang.master);
@@ -297,8 +293,6 @@ static int ath79_spi_remove(struct platform_device *pdev)
spi_bitbang_stop(&sp->bitbang);
ath79_spi_disable(sp);
clk_disable(sp->clk);
- clk_put(sp->clk);
- iounmap(sp->base);
spi_master_put(sp->bitbang.master);
return 0;
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 273db0beb2b8..b0842f751016 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -189,6 +189,8 @@
*/
#define DMA_MIN_BYTES 16
+#define SPI_DMA_TIMEOUT (msecs_to_jiffies(1000))
+
struct atmel_spi_dma {
struct dma_chan *chan_rx;
struct dma_chan *chan_tx;
@@ -220,17 +222,13 @@ struct atmel_spi {
int irq;
struct clk *clk;
struct platform_device *pdev;
- struct spi_device *stay;
- u8 stopping;
- struct list_head queue;
- struct tasklet_struct tasklet;
struct spi_transfer *current_transfer;
unsigned long current_remaining_bytes;
- struct spi_transfer *next_transfer;
- unsigned long next_remaining_bytes;
int done_status;
+ struct completion xfer_completion;
+
/* scratch buffer */
void *buffer;
dma_addr_t buffer_dma;
@@ -241,6 +239,9 @@ struct atmel_spi {
bool use_pdc;
/* dmaengine data */
struct atmel_spi_dma dma;
+
+ bool keep_cs;
+ bool cs_active;
};
/* Controller-specific per-slave state */
@@ -376,17 +377,6 @@ static inline bool atmel_spi_use_dma(struct atmel_spi *as,
return as->use_dma && xfer->len >= DMA_MIN_BYTES;
}
-static inline int atmel_spi_xfer_is_last(struct spi_message *msg,
- struct spi_transfer *xfer)
-{
- return msg->transfers.prev == &xfer->transfer_list;
-}
-
-static inline int atmel_spi_xfer_can_be_chained(struct spi_transfer *xfer)
-{
- return xfer->delay_usecs == 0 && !xfer->cs_change;
-}
-
static int atmel_spi_dma_slave_config(struct atmel_spi *as,
struct dma_slave_config *slave_config,
u8 bits_per_word)
@@ -513,23 +503,20 @@ static void dma_callback(void *data)
struct spi_master *master = data;
struct atmel_spi *as = spi_master_get_devdata(master);
- /* trigger SPI tasklet */
- tasklet_schedule(&as->tasklet);
+ complete(&as->xfer_completion);
}
/*
* Next transfer using PIO.
- * lock is held, spi tasklet is blocked
*/
static void atmel_spi_next_xfer_pio(struct spi_master *master,
struct spi_transfer *xfer)
{
struct atmel_spi *as = spi_master_get_devdata(master);
+ unsigned long xfer_pos = xfer->len - as->current_remaining_bytes;
dev_vdbg(master->dev.parent, "atmel_spi_next_xfer_pio\n");
- as->current_remaining_bytes = xfer->len;
-
/* Make sure data is not remaining in RDR */
spi_readl(as, RDR);
while (spi_readl(as, SR) & SPI_BIT(RDRF)) {
@@ -537,13 +524,14 @@ static void atmel_spi_next_xfer_pio(struct spi_master *master,
cpu_relax();
}
- if (xfer->tx_buf)
+ if (xfer->tx_buf) {
if (xfer->bits_per_word > 8)
- spi_writel(as, TDR, *(u16 *)(xfer->tx_buf));
+ spi_writel(as, TDR, *(u16 *)(xfer->tx_buf + xfer_pos));
else
- spi_writel(as, TDR, *(u8 *)(xfer->tx_buf));
- else
+ spi_writel(as, TDR, *(u8 *)(xfer->tx_buf + xfer_pos));
+ } else {
spi_writel(as, TDR, 0);
+ }
dev_dbg(master->dev.parent,
" start pio xfer %p: len %u tx %p rx %p bitpw %d\n",
@@ -556,7 +544,6 @@ static void atmel_spi_next_xfer_pio(struct spi_master *master,
/*
* Submit next transfer for DMA.
- * lock is held, spi tasklet is blocked
*/
static int atmel_spi_next_xfer_dma_submit(struct spi_master *master,
struct spi_transfer *xfer,
@@ -694,74 +681,90 @@ static void atmel_spi_next_xfer_data(struct spi_master *master,
*plen = len;
}
+static int atmel_spi_set_xfer_speed(struct atmel_spi *as,
+ struct spi_device *spi,
+ struct spi_transfer *xfer)
+{
+ u32 scbr, csr;
+ unsigned long bus_hz;
+
+ /* v1 chips start out at half the peripheral bus speed. */
+ bus_hz = clk_get_rate(as->clk);
+ if (!atmel_spi_is_v2(as))
+ bus_hz /= 2;
+
+ /*
+ * Calculate the lowest divider that satisfies the
+ * constraint, assuming div32/fdiv/mbz == 0.
+ */
+ if (xfer->speed_hz)
+ scbr = DIV_ROUND_UP(bus_hz, xfer->speed_hz);
+ else
+ /*
+ * This can happend if max_speed is null.
+ * In this case, we set the lowest possible speed
+ */
+ scbr = 0xff;
+
+ /*
+ * If the resulting divider doesn't fit into the
+ * register bitfield, we can't satisfy the constraint.
+ */
+ if (scbr >= (1 << SPI_SCBR_SIZE)) {
+ dev_err(&spi->dev,
+ "setup: %d Hz too slow, scbr %u; min %ld Hz\n",
+ xfer->speed_hz, scbr, bus_hz/255);
+ return -EINVAL;
+ }
+ if (scbr == 0) {
+ dev_err(&spi->dev,
+ "setup: %d Hz too high, scbr %u; max %ld Hz\n",
+ xfer->speed_hz, scbr, bus_hz);
+ return -EINVAL;
+ }
+ csr = spi_readl(as, CSR0 + 4 * spi->chip_select);
+ csr = SPI_BFINS(SCBR, scbr, csr);
+ spi_writel(as, CSR0 + 4 * spi->chip_select, csr);
+
+ return 0;
+}
+
/*
* Submit next transfer for PDC.
* lock is held, spi irq is blocked
*/
static void atmel_spi_pdc_next_xfer(struct spi_master *master,
- struct spi_message *msg)
+ struct spi_message *msg,
+ struct spi_transfer *xfer)
{
struct atmel_spi *as = spi_master_get_devdata(master);
- struct spi_transfer *xfer;
- u32 len, remaining;
- u32 ieval;
+ u32 len;
dma_addr_t tx_dma, rx_dma;
- if (!as->current_transfer)
- xfer = list_entry(msg->transfers.next,
- struct spi_transfer, transfer_list);
- else if (!as->next_transfer)
- xfer = list_entry(as->current_transfer->transfer_list.next,
- struct spi_transfer, transfer_list);
- else
- xfer = NULL;
-
- if (xfer) {
- spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
-
- len = xfer->len;
- atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len);
- remaining = xfer->len - len;
-
- spi_writel(as, RPR, rx_dma);
- spi_writel(as, TPR, tx_dma);
-
- if (msg->spi->bits_per_word > 8)
- len >>= 1;
- spi_writel(as, RCR, len);
- spi_writel(as, TCR, len);
-
- dev_dbg(&msg->spi->dev,
- " start xfer %p: len %u tx %p/%08llx rx %p/%08llx\n",
- xfer, xfer->len, xfer->tx_buf,
- (unsigned long long)xfer->tx_dma, xfer->rx_buf,
- (unsigned long long)xfer->rx_dma);
- } else {
- xfer = as->next_transfer;
- remaining = as->next_remaining_bytes;
- }
+ spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
- as->current_transfer = xfer;
- as->current_remaining_bytes = remaining;
+ len = as->current_remaining_bytes;
+ atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len);
+ as->current_remaining_bytes -= len;
- if (remaining > 0)
- len = remaining;
- else if (!atmel_spi_xfer_is_last(msg, xfer)
- && atmel_spi_xfer_can_be_chained(xfer)) {
- xfer = list_entry(xfer->transfer_list.next,
- struct spi_transfer, transfer_list);
- len = xfer->len;
- } else
- xfer = NULL;
+ spi_writel(as, RPR, rx_dma);
+ spi_writel(as, TPR, tx_dma);
- as->next_transfer = xfer;
+ if (msg->spi->bits_per_word > 8)
+ len >>= 1;
+ spi_writel(as, RCR, len);
+ spi_writel(as, TCR, len);
- if (xfer) {
- u32 total;
+ dev_dbg(&msg->spi->dev,
+ " start xfer %p: len %u tx %p/%08llx rx %p/%08llx\n",
+ xfer, xfer->len, xfer->tx_buf,
+ (unsigned long long)xfer->tx_dma, xfer->rx_buf,
+ (unsigned long long)xfer->rx_dma);
- total = len;
+ if (as->current_remaining_bytes) {
+ len = as->current_remaining_bytes;
atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len);
- as->next_remaining_bytes = total - len;
+ as->current_remaining_bytes -= len;
spi_writel(as, RNPR, rx_dma);
spi_writel(as, TNPR, tx_dma);
@@ -776,11 +779,6 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master,
xfer, xfer->len, xfer->tx_buf,
(unsigned long long)xfer->tx_dma, xfer->rx_buf,
(unsigned long long)xfer->rx_dma);
- ieval = SPI_BIT(ENDRX) | SPI_BIT(OVRES);
- } else {
- spi_writel(as, RNCR, 0);
- spi_writel(as, TNCR, 0);
- ieval = SPI_BIT(RXBUFF) | SPI_BIT(ENDRX) | SPI_BIT(OVRES);
}
/* REVISIT: We're waiting for ENDRX before we start the next
@@ -793,83 +791,11 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master,
*
* It should be doable, though. Just not now...
*/
- spi_writel(as, IER, ieval);
+ spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES));
spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN));
}
/*
- * Choose way to submit next transfer and start it.
- * lock is held, spi tasklet is blocked
- */
-static void atmel_spi_dma_next_xfer(struct spi_master *master,
- struct spi_message *msg)
-{
- struct atmel_spi *as = spi_master_get_devdata(master);
- struct spi_transfer *xfer;
- u32 remaining, len;
-
- remaining = as->current_remaining_bytes;
- if (remaining) {
- xfer = as->current_transfer;
- len = remaining;
- } else {
- if (!as->current_transfer)
- xfer = list_entry(msg->transfers.next,
- struct spi_transfer, transfer_list);
- else
- xfer = list_entry(
- as->current_transfer->transfer_list.next,
- struct spi_transfer, transfer_list);
-
- as->current_transfer = xfer;
- len = xfer->len;
- }
-
- if (atmel_spi_use_dma(as, xfer)) {
- u32 total = len;
- if (!atmel_spi_next_xfer_dma_submit(master, xfer, &len)) {
- as->current_remaining_bytes = total - len;
- return;
- } else {
- dev_err(&msg->spi->dev, "unable to use DMA, fallback to PIO\n");
- }
- }
-
- /* use PIO if error appened using DMA */
- atmel_spi_next_xfer_pio(master, xfer);
-}
-
-static void atmel_spi_next_message(struct spi_master *master)
-{
- struct atmel_spi *as = spi_master_get_devdata(master);
- struct spi_message *msg;
- struct spi_device *spi;
-
- BUG_ON(as->current_transfer);
-
- msg = list_entry(as->queue.next, struct spi_message, queue);
- spi = msg->spi;
-
- dev_dbg(master->dev.parent, "start message %p for %s\n",
- msg, dev_name(&spi->dev));
-
- /* select chip if it's not still active */
- if (as->stay) {
- if (as->stay != spi) {
- cs_deactivate(as, as->stay);
- cs_activate(as, spi);
- }
- as->stay = NULL;
- } else
- cs_activate(as, spi);
-
- if (as->use_pdc)
- atmel_spi_pdc_next_xfer(master, msg);
- else
- atmel_spi_dma_next_xfer(master, msg);
-}
-
-/*
* For DMA, tx_buf/tx_dma have the same relationship as rx_buf/rx_dma:
* - The buffer is either valid for CPU access, else NULL
* - If the buffer is valid, so is its DMA address
@@ -924,41 +850,7 @@ static void atmel_spi_disable_pdc_transfer(struct atmel_spi *as)
spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
}
-static void
-atmel_spi_msg_done(struct spi_master *master, struct atmel_spi *as,
- struct spi_message *msg, int stay)
-{
- if (!stay || as->done_status < 0)
- cs_deactivate(as, msg->spi);
- else
- as->stay = msg->spi;
-
- list_del(&msg->queue);
- msg->status = as->done_status;
-
- dev_dbg(master->dev.parent,
- "xfer complete: %u bytes transferred\n",
- msg->actual_length);
-
- atmel_spi_unlock(as);
- msg->complete(msg->context);
- atmel_spi_lock(as);
-
- as->current_transfer = NULL;
- as->next_transfer = NULL;
- as->done_status = 0;
-
- /* continue if needed */
- if (list_empty(&as->queue) || as->stopping) {
- if (as->use_pdc)
- atmel_spi_disable_pdc_transfer(as);
- } else {
- atmel_spi_next_message(master);
- }
-}
-
/* Called from IRQ
- * lock is held
*
* Must update "current_remaining_bytes" to keep track of data
* to transfer.
@@ -966,9 +858,7 @@ atmel_spi_msg_done(struct spi_master *master, struct atmel_spi *as,
static void
atmel_spi_pump_pio_data(struct atmel_spi *as, struct spi_transfer *xfer)
{
- u8 *txp;
u8 *rxp;
- u16 *txp16;
u16 *rxp16;
unsigned long xfer_pos = xfer->len - as->current_remaining_bytes;
@@ -990,96 +880,12 @@ atmel_spi_pump_pio_data(struct atmel_spi *as, struct spi_transfer *xfer)
} else {
as->current_remaining_bytes--;
}
-
- if (as->current_remaining_bytes) {
- if (xfer->tx_buf) {
- if (xfer->bits_per_word > 8) {
- txp16 = (u16 *)(((u8 *)xfer->tx_buf)
- + xfer_pos + 2);
- spi_writel(as, TDR, *txp16);
- } else {
- txp = ((u8 *)xfer->tx_buf) + xfer_pos + 1;
- spi_writel(as, TDR, *txp);
- }
- } else {
- spi_writel(as, TDR, 0);
- }
- }
-}
-
-/* Tasklet
- * Called from DMA callback + pio transfer and overrun IRQ.
- */
-static void atmel_spi_tasklet_func(unsigned long data)
-{
- struct spi_master *master = (struct spi_master *)data;
- struct atmel_spi *as = spi_master_get_devdata(master);
- struct spi_message *msg;
- struct spi_transfer *xfer;
-
- dev_vdbg(master->dev.parent, "atmel_spi_tasklet_func\n");
-
- atmel_spi_lock(as);
-
- xfer = as->current_transfer;
-
- if (xfer == NULL)
- /* already been there */
- goto tasklet_out;
-
- msg = list_entry(as->queue.next, struct spi_message, queue);
-
- if (as->current_remaining_bytes == 0) {
- if (as->done_status < 0) {
- /* error happened (overrun) */
- if (atmel_spi_use_dma(as, xfer))
- atmel_spi_stop_dma(as);
- } else {
- /* only update length if no error */
- msg->actual_length += xfer->len;
- }
-
- if (atmel_spi_use_dma(as, xfer))
- if (!msg->is_dma_mapped)
- atmel_spi_dma_unmap_xfer(master, xfer);
-
- if (xfer->delay_usecs)
- udelay(xfer->delay_usecs);
-
- if (atmel_spi_xfer_is_last(msg, xfer) || as->done_status < 0) {
- /* report completed (or erroneous) message */
- atmel_spi_msg_done(master, as, msg, xfer->cs_change);
- } else {
- if (xfer->cs_change) {
- cs_deactivate(as, msg->spi);
- udelay(1);
- cs_activate(as, msg->spi);
- }
-
- /*
- * Not done yet. Submit the next transfer.
- *
- * FIXME handle protocol options for xfer
- */
- atmel_spi_dma_next_xfer(master, msg);
- }
- } else {
- /*
- * Keep going, we still have data to send in
- * the current transfer.
- */
- atmel_spi_dma_next_xfer(master, msg);
- }
-
-tasklet_out:
- atmel_spi_unlock(as);
}
/* Interrupt
*
* No need for locking in this Interrupt handler: done_status is the
- * only information modified. What we need is the update of this field
- * before tasklet runs. This is ensured by using barrier.
+ * only information modified.
*/
static irqreturn_t
atmel_spi_pio_interrupt(int irq, void *dev_id)
@@ -1107,8 +913,6 @@ atmel_spi_pio_interrupt(int irq, void *dev_id)
*
* We will also not process any remaning transfers in
* the message.
- *
- * All actions are done in tasklet with done_status indication
*/
as->done_status = -EIO;
smp_wmb();
@@ -1116,7 +920,7 @@ atmel_spi_pio_interrupt(int irq, void *dev_id)
/* Clear any overrun happening while cleaning up */
spi_readl(as, SR);
- tasklet_schedule(&as->tasklet);
+ complete(&as->xfer_completion);
} else if (pending & SPI_BIT(RDRF)) {
atmel_spi_lock(as);
@@ -1125,11 +929,10 @@ atmel_spi_pio_interrupt(int irq, void *dev_id)
ret = IRQ_HANDLED;
xfer = as->current_transfer;
atmel_spi_pump_pio_data(as, xfer);
- if (!as->current_remaining_bytes) {
- /* no more data to xfer, kick tasklet */
+ if (!as->current_remaining_bytes)
spi_writel(as, IDR, pending);
- tasklet_schedule(&as->tasklet);
- }
+
+ complete(&as->xfer_completion);
}
atmel_spi_unlock(as);
@@ -1147,116 +950,35 @@ atmel_spi_pdc_interrupt(int irq, void *dev_id)
{
struct spi_master *master = dev_id;
struct atmel_spi *as = spi_master_get_devdata(master);
- struct spi_message *msg;
- struct spi_transfer *xfer;
u32 status, pending, imr;
int ret = IRQ_NONE;
- atmel_spi_lock(as);
-
- xfer = as->current_transfer;
- msg = list_entry(as->queue.next, struct spi_message, queue);
-
imr = spi_readl(as, IMR);
status = spi_readl(as, SR);
pending = status & imr;
if (pending & SPI_BIT(OVRES)) {
- int timeout;
ret = IRQ_HANDLED;
spi_writel(as, IDR, (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX)
| SPI_BIT(OVRES)));
- /*
- * When we get an overrun, we disregard the current
- * transfer. Data will not be copied back from any
- * bounce buffer and msg->actual_len will not be
- * updated with the last xfer.
- *
- * We will also not process any remaning transfers in
- * the message.
- *
- * First, stop the transfer and unmap the DMA buffers.
- */
- spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
- if (!msg->is_dma_mapped)
- atmel_spi_dma_unmap_xfer(master, xfer);
-
- /* REVISIT: udelay in irq is unfriendly */
- if (xfer->delay_usecs)
- udelay(xfer->delay_usecs);
-
- dev_warn(master->dev.parent, "overrun (%u/%u remaining)\n",
- spi_readl(as, TCR), spi_readl(as, RCR));
-
- /*
- * Clean up DMA registers and make sure the data
- * registers are empty.
- */
- spi_writel(as, RNCR, 0);
- spi_writel(as, TNCR, 0);
- spi_writel(as, RCR, 0);
- spi_writel(as, TCR, 0);
- for (timeout = 1000; timeout; timeout--)
- if (spi_readl(as, SR) & SPI_BIT(TXEMPTY))
- break;
- if (!timeout)
- dev_warn(master->dev.parent,
- "timeout waiting for TXEMPTY");
- while (spi_readl(as, SR) & SPI_BIT(RDRF))
- spi_readl(as, RDR);
-
/* Clear any overrun happening while cleaning up */
spi_readl(as, SR);
as->done_status = -EIO;
- atmel_spi_msg_done(master, as, msg, 0);
+
+ complete(&as->xfer_completion);
+
} else if (pending & (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX))) {
ret = IRQ_HANDLED;
spi_writel(as, IDR, pending);
- if (as->current_remaining_bytes == 0) {
- msg->actual_length += xfer->len;
-
- if (!msg->is_dma_mapped)
- atmel_spi_dma_unmap_xfer(master, xfer);
-
- /* REVISIT: udelay in irq is unfriendly */
- if (xfer->delay_usecs)
- udelay(xfer->delay_usecs);
-
- if (atmel_spi_xfer_is_last(msg, xfer)) {
- /* report completed message */
- atmel_spi_msg_done(master, as, msg,
- xfer->cs_change);
- } else {
- if (xfer->cs_change) {
- cs_deactivate(as, msg->spi);
- udelay(1);
- cs_activate(as, msg->spi);
- }
-
- /*
- * Not done yet. Submit the next transfer.
- *
- * FIXME handle protocol options for xfer
- */
- atmel_spi_pdc_next_xfer(master, msg);
- }
- } else {
- /*
- * Keep going, we still have data to send in
- * the current transfer.
- */
- atmel_spi_pdc_next_xfer(master, msg);
- }
+ complete(&as->xfer_completion);
}
- atmel_spi_unlock(as);
-
return ret;
}
@@ -1264,17 +986,13 @@ static int atmel_spi_setup(struct spi_device *spi)
{
struct atmel_spi *as;
struct atmel_spi_device *asd;
- u32 scbr, csr;
+ u32 csr;
unsigned int bits = spi->bits_per_word;
- unsigned long bus_hz;
unsigned int npcs_pin;
int ret;
as = spi_master_get_devdata(spi->master);
- if (as->stopping)
- return -ESHUTDOWN;
-
if (spi->chip_select > spi->master->num_chipselect) {
dev_dbg(&spi->dev,
"setup: invalid chipselect %u (%u defined)\n",
@@ -1290,33 +1008,7 @@ static int atmel_spi_setup(struct spi_device *spi)
return -EINVAL;
}
- /* v1 chips start out at half the peripheral bus speed. */
- bus_hz = clk_get_rate(as->clk);
- if (!atmel_spi_is_v2(as))
- bus_hz /= 2;
-
- if (spi->max_speed_hz) {
- /*
- * Calculate the lowest divider that satisfies the
- * constraint, assuming div32/fdiv/mbz == 0.
- */
- scbr = DIV_ROUND_UP(bus_hz, spi->max_speed_hz);
-
- /*
- * If the resulting divider doesn't fit into the
- * register bitfield, we can't satisfy the constraint.
- */
- if (scbr >= (1 << SPI_SCBR_SIZE)) {
- dev_dbg(&spi->dev,
- "setup: %d Hz too slow, scbr %u; min %ld Hz\n",
- spi->max_speed_hz, scbr, bus_hz/255);
- return -EINVAL;
- }
- } else
- /* speed zero means "as slow as possible" */
- scbr = 0xff;
-
- csr = SPI_BF(SCBR, scbr) | SPI_BF(BITS, bits - 8);
+ csr = SPI_BF(BITS, bits - 8);
if (spi->mode & SPI_CPOL)
csr |= SPI_BIT(CPOL);
if (!(spi->mode & SPI_CPHA))
@@ -1352,19 +1044,13 @@ static int atmel_spi_setup(struct spi_device *spi)
asd->npcs_pin = npcs_pin;
spi->controller_state = asd;
gpio_direction_output(npcs_pin, !(spi->mode & SPI_CS_HIGH));
- } else {
- atmel_spi_lock(as);
- if (as->stay == spi)
- as->stay = NULL;
- cs_deactivate(as, spi);
- atmel_spi_unlock(as);
}
asd->csr = csr;
dev_dbg(&spi->dev,
- "setup: %lu Hz bpw %u mode 0x%x -> csr%d %08x\n",
- bus_hz / scbr, bits, spi->mode, spi->chip_select, csr);
+ "setup: bpw %u mode 0x%x -> csr%d %08x\n",
+ bits, spi->mode, spi->chip_select, csr);
if (!atmel_spi_is_v2(as))
spi_writel(as, CSR0 + 4 * spi->chip_select, csr);
@@ -1372,103 +1058,218 @@ static int atmel_spi_setup(struct spi_device *spi)
return 0;
}
-static int atmel_spi_transfer(struct spi_device *spi, struct spi_message *msg)
+static int atmel_spi_one_transfer(struct spi_master *master,
+ struct spi_message *msg,
+ struct spi_transfer *xfer)
{
struct atmel_spi *as;
- struct spi_transfer *xfer;
- struct device *controller = spi->master->dev.parent;
+ struct spi_device *spi = msg->spi;
u8 bits;
+ u32 len;
struct atmel_spi_device *asd;
+ int timeout;
+ int ret;
- as = spi_master_get_devdata(spi->master);
-
- dev_dbg(controller, "new message %p submitted for %s\n",
- msg, dev_name(&spi->dev));
+ as = spi_master_get_devdata(master);
- if (unlikely(list_empty(&msg->transfers)))
+ if (!(xfer->tx_buf || xfer->rx_buf) && xfer->len) {
+ dev_dbg(&spi->dev, "missing rx or tx buf\n");
return -EINVAL;
+ }
- if (as->stopping)
- return -ESHUTDOWN;
+ if (xfer->bits_per_word) {
+ asd = spi->controller_state;
+ bits = (asd->csr >> 4) & 0xf;
+ if (bits != xfer->bits_per_word - 8) {
+ dev_dbg(&spi->dev,
+ "you can't yet change bits_per_word in transfers\n");
+ return -ENOPROTOOPT;
+ }
+ }
- list_for_each_entry(xfer, &msg->transfers, transfer_list) {
- if (!(xfer->tx_buf || xfer->rx_buf) && xfer->len) {
- dev_dbg(&spi->dev, "missing rx or tx buf\n");
+ if (xfer->bits_per_word > 8) {
+ if (xfer->len % 2) {
+ dev_dbg(&spi->dev,
+ "buffer len should be 16 bits aligned\n");
return -EINVAL;
}
+ }
- if (xfer->bits_per_word) {
- asd = spi->controller_state;
- bits = (asd->csr >> 4) & 0xf;
- if (bits != xfer->bits_per_word - 8) {
- dev_dbg(&spi->dev,
- "you can't yet change bits_per_word in transfers\n");
- return -ENOPROTOOPT;
+ /*
+ * DMA map early, for performance (empties dcache ASAP) and
+ * better fault reporting.
+ */
+ if ((!msg->is_dma_mapped)
+ && (atmel_spi_use_dma(as, xfer) || as->use_pdc)) {
+ if (atmel_spi_dma_map_xfer(as, xfer) < 0)
+ return -ENOMEM;
+ }
+
+ atmel_spi_set_xfer_speed(as, msg->spi, xfer);
+
+ as->done_status = 0;
+ as->current_transfer = xfer;
+ as->current_remaining_bytes = xfer->len;
+ while (as->current_remaining_bytes) {
+ reinit_completion(&as->xfer_completion);
+
+ if (as->use_pdc) {
+ atmel_spi_pdc_next_xfer(master, msg, xfer);
+ } else if (atmel_spi_use_dma(as, xfer)) {
+ len = as->current_remaining_bytes;
+ ret = atmel_spi_next_xfer_dma_submit(master,
+ xfer, &len);
+ if (ret) {
+ dev_err(&spi->dev,
+ "unable to use DMA, fallback to PIO\n");
+ atmel_spi_next_xfer_pio(master, xfer);
+ } else {
+ as->current_remaining_bytes -= len;
}
+ } else {
+ atmel_spi_next_xfer_pio(master, xfer);
}
- if (xfer->bits_per_word > 8) {
- if (xfer->len % 2) {
- dev_dbg(&spi->dev, "buffer len should be 16 bits aligned\n");
- return -EINVAL;
- }
+ ret = wait_for_completion_timeout(&as->xfer_completion,
+ SPI_DMA_TIMEOUT);
+ if (WARN_ON(ret == 0)) {
+ dev_err(&spi->dev,
+ "spi trasfer timeout, err %d\n", ret);
+ as->done_status = -EIO;
+ } else {
+ ret = 0;
}
- /* FIXME implement these protocol options!! */
- if (xfer->speed_hz < spi->max_speed_hz) {
- dev_dbg(&spi->dev, "can't change speed in transfer\n");
- return -ENOPROTOOPT;
+ if (as->done_status)
+ break;
+ }
+
+ if (as->done_status) {
+ if (as->use_pdc) {
+ dev_warn(master->dev.parent,
+ "overrun (%u/%u remaining)\n",
+ spi_readl(as, TCR), spi_readl(as, RCR));
+
+ /*
+ * Clean up DMA registers and make sure the data
+ * registers are empty.
+ */
+ spi_writel(as, RNCR, 0);
+ spi_writel(as, TNCR, 0);
+ spi_writel(as, RCR, 0);
+ spi_writel(as, TCR, 0);
+ for (timeout = 1000; timeout; timeout--)
+ if (spi_readl(as, SR) & SPI_BIT(TXEMPTY))
+ break;
+ if (!timeout)
+ dev_warn(master->dev.parent,
+ "timeout waiting for TXEMPTY");
+ while (spi_readl(as, SR) & SPI_BIT(RDRF))
+ spi_readl(as, RDR);
+
+ /* Clear any overrun happening while cleaning up */
+ spi_readl(as, SR);
+
+ } else if (atmel_spi_use_dma(as, xfer)) {
+ atmel_spi_stop_dma(as);
}
- /*
- * DMA map early, for performance (empties dcache ASAP) and
- * better fault reporting.
- */
- if ((!msg->is_dma_mapped) && (atmel_spi_use_dma(as, xfer)
- || as->use_pdc)) {
- if (atmel_spi_dma_map_xfer(as, xfer) < 0)
- return -ENOMEM;
+ if (!msg->is_dma_mapped
+ && (atmel_spi_use_dma(as, xfer) || as->use_pdc))
+ atmel_spi_dma_unmap_xfer(master, xfer);
+
+ return 0;
+
+ } else {
+ /* only update length if no error */
+ msg->actual_length += xfer->len;
+ }
+
+ if (!msg->is_dma_mapped
+ && (atmel_spi_use_dma(as, xfer) || as->use_pdc))
+ atmel_spi_dma_unmap_xfer(master, xfer);
+
+ if (xfer->delay_usecs)
+ udelay(xfer->delay_usecs);
+
+ if (xfer->cs_change) {
+ if (list_is_last(&xfer->transfer_list,
+ &msg->transfers)) {
+ as->keep_cs = true;
+ } else {
+ as->cs_active = !as->cs_active;
+ if (as->cs_active)
+ cs_activate(as, msg->spi);
+ else
+ cs_deactivate(as, msg->spi);
}
}
-#ifdef VERBOSE
+ return 0;
+}
+
+static int atmel_spi_transfer_one_message(struct spi_master *master,
+ struct spi_message *msg)
+{
+ struct atmel_spi *as;
+ struct spi_transfer *xfer;
+ struct spi_device *spi = msg->spi;
+ int ret = 0;
+
+ as = spi_master_get_devdata(master);
+
+ dev_dbg(&spi->dev, "new message %p submitted for %s\n",
+ msg, dev_name(&spi->dev));
+
+ if (unlikely(list_empty(&msg->transfers)))
+ return -EINVAL;
+
+ atmel_spi_lock(as);
+ cs_activate(as, spi);
+
+ as->cs_active = true;
+ as->keep_cs = false;
+
+ msg->status = 0;
+ msg->actual_length = 0;
+
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
- dev_dbg(controller,
+ ret = atmel_spi_one_transfer(master, msg, xfer);
+ if (ret)
+ goto msg_done;
+ }
+
+ if (as->use_pdc)
+ atmel_spi_disable_pdc_transfer(as);
+
+ list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+ dev_dbg(&spi->dev,
" xfer %p: len %u tx %p/%08x rx %p/%08x\n",
xfer, xfer->len,
xfer->tx_buf, xfer->tx_dma,
xfer->rx_buf, xfer->rx_dma);
}
-#endif
- msg->status = -EINPROGRESS;
- msg->actual_length = 0;
+msg_done:
+ if (!as->keep_cs)
+ cs_deactivate(as, msg->spi);
- atmel_spi_lock(as);
- list_add_tail(&msg->queue, &as->queue);
- if (!as->current_transfer)
- atmel_spi_next_message(spi->master);
atmel_spi_unlock(as);
- return 0;
+ msg->status = as->done_status;
+ spi_finalize_current_message(spi->master);
+
+ return ret;
}
static void atmel_spi_cleanup(struct spi_device *spi)
{
- struct atmel_spi *as = spi_master_get_devdata(spi->master);
struct atmel_spi_device *asd = spi->controller_state;
unsigned gpio = (unsigned) spi->controller_data;
if (!asd)
return;
- atmel_spi_lock(as);
- if (as->stay == spi) {
- as->stay = NULL;
- cs_deactivate(as, spi);
- }
- atmel_spi_unlock(as);
-
spi->controller_state = NULL;
gpio_free(gpio);
kfree(asd);
@@ -1510,7 +1311,7 @@ static int atmel_spi_probe(struct platform_device *pdev)
if (irq < 0)
return irq;
- clk = clk_get(&pdev->dev, "spi_clk");
+ clk = devm_clk_get(&pdev->dev, "spi_clk");
if (IS_ERR(clk))
return PTR_ERR(clk);
@@ -1527,7 +1328,7 @@ static int atmel_spi_probe(struct platform_device *pdev)
master->bus_num = pdev->id;
master->num_chipselect = master->dev.of_node ? 0 : 4;
master->setup = atmel_spi_setup;
- master->transfer = atmel_spi_transfer;
+ master->transfer_one_message = atmel_spi_transfer_one_message;
master->cleanup = atmel_spi_cleanup;
platform_set_drvdata(pdev, master);
@@ -1543,7 +1344,6 @@ static int atmel_spi_probe(struct platform_device *pdev)
goto out_free;
spin_lock_init(&as->lock);
- INIT_LIST_HEAD(&as->queue);
as->pdev = pdev;
as->regs = devm_ioremap_resource(&pdev->dev, regs);
@@ -1555,6 +1355,8 @@ static int atmel_spi_probe(struct platform_device *pdev)
as->irq = irq;
as->clk = clk;
+ init_completion(&as->xfer_completion);
+
atmel_get_caps(as);
as->use_dma = false;
@@ -1570,14 +1372,11 @@ static int atmel_spi_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "Atmel SPI Controller using PIO only\n");
if (as->use_pdc) {
- ret = request_irq(irq, atmel_spi_pdc_interrupt, 0,
- dev_name(&pdev->dev), master);
+ ret = devm_request_irq(&pdev->dev, irq, atmel_spi_pdc_interrupt,
+ 0, dev_name(&pdev->dev), master);
} else {
- tasklet_init(&as->tasklet, atmel_spi_tasklet_func,
- (unsigned long)master);
-
- ret = request_irq(irq, atmel_spi_pio_interrupt, 0,
- dev_name(&pdev->dev), master);
+ ret = devm_request_irq(&pdev->dev, irq, atmel_spi_pio_interrupt,
+ 0, dev_name(&pdev->dev), master);
}
if (ret)
goto out_unmap_regs;
@@ -1603,7 +1402,7 @@ static int atmel_spi_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "Atmel SPI Controller at 0x%08lx (irq %d)\n",
(unsigned long)regs->start, irq);
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(&pdev->dev, master);
if (ret)
goto out_free_dma;
@@ -1617,15 +1416,11 @@ out_free_dma:
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
clk_disable_unprepare(clk);
out_free_irq:
- free_irq(irq, master);
out_unmap_regs:
out_free_buffer:
- if (!as->use_pdc)
- tasklet_kill(&as->tasklet);
dma_free_coherent(&pdev->dev, BUFFER_SIZE, as->buffer,
as->buffer_dma);
out_free:
- clk_put(clk);
spi_master_put(master);
return ret;
}
@@ -1634,12 +1429,9 @@ static int atmel_spi_remove(struct platform_device *pdev)
{
struct spi_master *master = platform_get_drvdata(pdev);
struct atmel_spi *as = spi_master_get_devdata(master);
- struct spi_message *msg;
- struct spi_transfer *xfer;
/* reset the hardware and block queue progress */
spin_lock_irq(&as->lock);
- as->stopping = 1;
if (as->use_dma) {
atmel_spi_stop_dma(as);
atmel_spi_release_dma(as);
@@ -1650,28 +1442,10 @@ static int atmel_spi_remove(struct platform_device *pdev)
spi_readl(as, SR);
spin_unlock_irq(&as->lock);
- /* Terminate remaining queued transfers */
- list_for_each_entry(msg, &as->queue, queue) {
- list_for_each_entry(xfer, &msg->transfers, transfer_list) {
- if (!msg->is_dma_mapped
- && (atmel_spi_use_dma(as, xfer)
- || as->use_pdc))
- atmel_spi_dma_unmap_xfer(master, xfer);
- }
- msg->status = -ESHUTDOWN;
- msg->complete(msg->context);
- }
-
- if (!as->use_pdc)
- tasklet_kill(&as->tasklet);
dma_free_coherent(&pdev->dev, BUFFER_SIZE, as->buffer,
as->buffer_dma);
clk_disable_unprepare(as->clk);
- clk_put(as->clk);
- free_irq(as->irq, master);
-
- spi_unregister_master(master);
return 0;
}
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index 3ed666fe840a..8a89dd1f2654 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -347,8 +347,8 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
clk_prepare_enable(bs->clk);
- err = request_irq(bs->irq, bcm2835_spi_interrupt, 0,
- dev_name(&pdev->dev), master);
+ err = devm_request_irq(&pdev->dev, bs->irq, bcm2835_spi_interrupt, 0,
+ dev_name(&pdev->dev), master);
if (err) {
dev_err(&pdev->dev, "could not request IRQ: %d\n", err);
goto out_clk_disable;
@@ -361,13 +361,11 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
err = devm_spi_register_master(&pdev->dev, master);
if (err) {
dev_err(&pdev->dev, "could not register SPI master: %d\n", err);
- goto out_free_irq;
+ goto out_clk_disable;
}
return 0;
-out_free_irq:
- free_irq(bs->irq, master);
out_clk_disable:
clk_disable_unprepare(bs->clk);
out_master_put:
@@ -377,11 +375,9 @@ out_master_put:
static int bcm2835_spi_remove(struct platform_device *pdev)
{
- struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+ struct spi_master *master = platform_get_drvdata(pdev);
struct bcm2835_spi *bs = spi_master_get_devdata(master);
- free_irq(bs->irq, master);
-
/* Clear FIFOs, and disable the HW block */
bcm2835_wr(bs, BCM2835_SPI_CS,
BCM2835_SPI_CS_CLEAR_RX | BCM2835_SPI_CS_CLEAR_TX);
diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c
new file mode 100644
index 000000000000..b528f9fc8bc0
--- /dev/null
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -0,0 +1,475 @@
+/*
+ * Broadcom BCM63XX High Speed SPI Controller driver
+ *
+ * Copyright 2000-2010 Broadcom Corporation
+ * Copyright 2012-2013 Jonas Gorski <jogo@openwrt.org>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/spi/spi.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+
+#define HSSPI_GLOBAL_CTRL_REG 0x0
+#define GLOBAL_CTRL_CS_POLARITY_SHIFT 0
+#define GLOBAL_CTRL_CS_POLARITY_MASK 0x000000ff
+#define GLOBAL_CTRL_PLL_CLK_CTRL_SHIFT 8
+#define GLOBAL_CTRL_PLL_CLK_CTRL_MASK 0x0000ff00
+#define GLOBAL_CTRL_CLK_GATE_SSOFF BIT(16)
+#define GLOBAL_CTRL_CLK_POLARITY BIT(17)
+#define GLOBAL_CTRL_MOSI_IDLE BIT(18)
+
+#define HSSPI_GLOBAL_EXT_TRIGGER_REG 0x4
+
+#define HSSPI_INT_STATUS_REG 0x8
+#define HSSPI_INT_STATUS_MASKED_REG 0xc
+#define HSSPI_INT_MASK_REG 0x10
+
+#define HSSPI_PINGx_CMD_DONE(i) BIT((i * 8) + 0)
+#define HSSPI_PINGx_RX_OVER(i) BIT((i * 8) + 1)
+#define HSSPI_PINGx_TX_UNDER(i) BIT((i * 8) + 2)
+#define HSSPI_PINGx_POLL_TIMEOUT(i) BIT((i * 8) + 3)
+#define HSSPI_PINGx_CTRL_INVAL(i) BIT((i * 8) + 4)
+
+#define HSSPI_INT_CLEAR_ALL 0xff001f1f
+
+#define HSSPI_PINGPONG_COMMAND_REG(x) (0x80 + (x) * 0x40)
+#define PINGPONG_CMD_COMMAND_MASK 0xf
+#define PINGPONG_COMMAND_NOOP 0
+#define PINGPONG_COMMAND_START_NOW 1
+#define PINGPONG_COMMAND_START_TRIGGER 2
+#define PINGPONG_COMMAND_HALT 3
+#define PINGPONG_COMMAND_FLUSH 4
+#define PINGPONG_CMD_PROFILE_SHIFT 8
+#define PINGPONG_CMD_SS_SHIFT 12
+
+#define HSSPI_PINGPONG_STATUS_REG(x) (0x84 + (x) * 0x40)
+
+#define HSSPI_PROFILE_CLK_CTRL_REG(x) (0x100 + (x) * 0x20)
+#define CLK_CTRL_FREQ_CTRL_MASK 0x0000ffff
+#define CLK_CTRL_SPI_CLK_2X_SEL BIT(14)
+#define CLK_CTRL_ACCUM_RST_ON_LOOP BIT(15)
+
+#define HSSPI_PROFILE_SIGNAL_CTRL_REG(x) (0x104 + (x) * 0x20)
+#define SIGNAL_CTRL_LATCH_RISING BIT(12)
+#define SIGNAL_CTRL_LAUNCH_RISING BIT(13)
+#define SIGNAL_CTRL_ASYNC_INPUT_PATH BIT(16)
+
+#define HSSPI_PROFILE_MODE_CTRL_REG(x) (0x108 + (x) * 0x20)
+#define MODE_CTRL_MULTIDATA_RD_STRT_SHIFT 8
+#define MODE_CTRL_MULTIDATA_WR_STRT_SHIFT 12
+#define MODE_CTRL_MULTIDATA_RD_SIZE_SHIFT 16
+#define MODE_CTRL_MULTIDATA_WR_SIZE_SHIFT 18
+#define MODE_CTRL_MODE_3WIRE BIT(20)
+#define MODE_CTRL_PREPENDBYTE_CNT_SHIFT 24
+
+#define HSSPI_FIFO_REG(x) (0x200 + (x) * 0x200)
+
+
+#define HSSPI_OP_CODE_SHIFT 13
+#define HSSPI_OP_SLEEP (0 << HSSPI_OP_CODE_SHIFT)
+#define HSSPI_OP_READ_WRITE (1 << HSSPI_OP_CODE_SHIFT)
+#define HSSPI_OP_WRITE (2 << HSSPI_OP_CODE_SHIFT)
+#define HSSPI_OP_READ (3 << HSSPI_OP_CODE_SHIFT)
+#define HSSPI_OP_SETIRQ (4 << HSSPI_OP_CODE_SHIFT)
+
+#define HSSPI_BUFFER_LEN 512
+#define HSSPI_OPCODE_LEN 2
+
+#define HSSPI_MAX_PREPEND_LEN 15
+
+#define HSSPI_MAX_SYNC_CLOCK 30000000
+
+#define HSSPI_BUS_NUM 1 /* 0 is legacy SPI */
+
+struct bcm63xx_hsspi {
+ struct completion done;
+ struct mutex bus_mutex;
+
+ struct platform_device *pdev;
+ struct clk *clk;
+ void __iomem *regs;
+ u8 __iomem *fifo;
+
+ u32 speed_hz;
+ u8 cs_polarity;
+};
+
+static void bcm63xx_hsspi_set_cs(struct bcm63xx_hsspi *bs, unsigned cs,
+ bool active)
+{
+ u32 reg;
+
+ mutex_lock(&bs->bus_mutex);
+ reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG);
+
+ reg &= ~BIT(cs);
+ if (active == !(bs->cs_polarity & BIT(cs)))
+ reg |= BIT(cs);
+
+ __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG);
+ mutex_unlock(&bs->bus_mutex);
+}
+
+static void bcm63xx_hsspi_set_clk(struct bcm63xx_hsspi *bs,
+ struct spi_device *spi, int hz)
+{
+ unsigned profile = spi->chip_select;
+ u32 reg;
+
+ reg = DIV_ROUND_UP(2048, DIV_ROUND_UP(bs->speed_hz, hz));
+ __raw_writel(CLK_CTRL_ACCUM_RST_ON_LOOP | reg,
+ bs->regs + HSSPI_PROFILE_CLK_CTRL_REG(profile));
+
+ reg = __raw_readl(bs->regs + HSSPI_PROFILE_SIGNAL_CTRL_REG(profile));
+ if (hz > HSSPI_MAX_SYNC_CLOCK)
+ reg |= SIGNAL_CTRL_ASYNC_INPUT_PATH;
+ else
+ reg &= ~SIGNAL_CTRL_ASYNC_INPUT_PATH;
+ __raw_writel(reg, bs->regs + HSSPI_PROFILE_SIGNAL_CTRL_REG(profile));
+
+ mutex_lock(&bs->bus_mutex);
+ /* setup clock polarity */
+ reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG);
+ reg &= ~GLOBAL_CTRL_CLK_POLARITY;
+ if (spi->mode & SPI_CPOL)
+ reg |= GLOBAL_CTRL_CLK_POLARITY;
+ __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG);
+ mutex_unlock(&bs->bus_mutex);
+}
+
+static int bcm63xx_hsspi_do_txrx(struct spi_device *spi, struct spi_transfer *t)
+{
+ struct bcm63xx_hsspi *bs = spi_master_get_devdata(spi->master);
+ unsigned chip_select = spi->chip_select;
+ u16 opcode = 0;
+ int pending = t->len;
+ int step_size = HSSPI_BUFFER_LEN;
+ const u8 *tx = t->tx_buf;
+ u8 *rx = t->rx_buf;
+
+ bcm63xx_hsspi_set_clk(bs, spi, t->speed_hz);
+ bcm63xx_hsspi_set_cs(bs, spi->chip_select, true);
+
+ if (tx && rx)
+ opcode = HSSPI_OP_READ_WRITE;
+ else if (tx)
+ opcode = HSSPI_OP_WRITE;
+ else if (rx)
+ opcode = HSSPI_OP_READ;
+
+ if (opcode != HSSPI_OP_READ)
+ step_size -= HSSPI_OPCODE_LEN;
+
+ __raw_writel(0 << MODE_CTRL_PREPENDBYTE_CNT_SHIFT |
+ 2 << MODE_CTRL_MULTIDATA_WR_STRT_SHIFT |
+ 2 << MODE_CTRL_MULTIDATA_RD_STRT_SHIFT | 0xff,
+ bs->regs + HSSPI_PROFILE_MODE_CTRL_REG(chip_select));
+
+ while (pending > 0) {
+ int curr_step = min_t(int, step_size, pending);
+
+ init_completion(&bs->done);
+ if (tx) {
+ memcpy_toio(bs->fifo + HSSPI_OPCODE_LEN, tx, curr_step);
+ tx += curr_step;
+ }
+
+ __raw_writew(opcode | curr_step, bs->fifo);
+
+ /* enable interrupt */
+ __raw_writel(HSSPI_PINGx_CMD_DONE(0),
+ bs->regs + HSSPI_INT_MASK_REG);
+
+ /* start the transfer */
+ __raw_writel(!chip_select << PINGPONG_CMD_SS_SHIFT |
+ chip_select << PINGPONG_CMD_PROFILE_SHIFT |
+ PINGPONG_COMMAND_START_NOW,
+ bs->regs + HSSPI_PINGPONG_COMMAND_REG(0));
+
+ if (wait_for_completion_timeout(&bs->done, HZ) == 0) {
+ dev_err(&bs->pdev->dev, "transfer timed out!\n");
+ return -ETIMEDOUT;
+ }
+
+ if (rx) {
+ memcpy_fromio(rx, bs->fifo, curr_step);
+ rx += curr_step;
+ }
+
+ pending -= curr_step;
+ }
+
+ return 0;
+}
+
+static int bcm63xx_hsspi_setup(struct spi_device *spi)
+{
+ struct bcm63xx_hsspi *bs = spi_master_get_devdata(spi->master);
+ u32 reg;
+
+ reg = __raw_readl(bs->regs +
+ HSSPI_PROFILE_SIGNAL_CTRL_REG(spi->chip_select));
+ reg &= ~(SIGNAL_CTRL_LAUNCH_RISING | SIGNAL_CTRL_LATCH_RISING);
+ if (spi->mode & SPI_CPHA)
+ reg |= SIGNAL_CTRL_LAUNCH_RISING;
+ else
+ reg |= SIGNAL_CTRL_LATCH_RISING;
+ __raw_writel(reg, bs->regs +
+ HSSPI_PROFILE_SIGNAL_CTRL_REG(spi->chip_select));
+
+ mutex_lock(&bs->bus_mutex);
+ reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG);
+
+ /* only change actual polarities if there is no transfer */
+ if ((reg & GLOBAL_CTRL_CS_POLARITY_MASK) == bs->cs_polarity) {
+ if (spi->mode & SPI_CS_HIGH)
+ reg |= BIT(spi->chip_select);
+ else
+ reg &= ~BIT(spi->chip_select);
+ __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG);
+ }
+
+ if (spi->mode & SPI_CS_HIGH)
+ bs->cs_polarity |= BIT(spi->chip_select);
+ else
+ bs->cs_polarity &= ~BIT(spi->chip_select);
+
+ mutex_unlock(&bs->bus_mutex);
+
+ return 0;
+}
+
+static int bcm63xx_hsspi_transfer_one(struct spi_master *master,
+ struct spi_message *msg)
+{
+ struct bcm63xx_hsspi *bs = spi_master_get_devdata(master);
+ struct spi_transfer *t;
+ struct spi_device *spi = msg->spi;
+ int status = -EINVAL;
+ int dummy_cs;
+ u32 reg;
+
+ /* This controller does not support keeping CS active during idle.
+ * To work around this, we use the following ugly hack:
+ *
+ * a. Invert the target chip select's polarity so it will be active.
+ * b. Select a "dummy" chip select to use as the hardware target.
+ * c. Invert the dummy chip select's polarity so it will be inactive
+ * during the actual transfers.
+ * d. Tell the hardware to send to the dummy chip select. Thanks to
+ * the multiplexed nature of SPI the actual target will receive
+ * the transfer and we see its response.
+ *
+ * e. At the end restore the polarities again to their default values.
+ */
+
+ dummy_cs = !spi->chip_select;
+ bcm63xx_hsspi_set_cs(bs, dummy_cs, true);
+
+ list_for_each_entry(t, &msg->transfers, transfer_list) {
+ status = bcm63xx_hsspi_do_txrx(spi, t);
+ if (status)
+ break;
+
+ msg->actual_length += t->len;
+
+ if (t->delay_usecs)
+ udelay(t->delay_usecs);
+
+ if (t->cs_change)
+ bcm63xx_hsspi_set_cs(bs, spi->chip_select, false);
+ }
+
+ mutex_lock(&bs->bus_mutex);
+ reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG);
+ reg &= ~GLOBAL_CTRL_CS_POLARITY_MASK;
+ reg |= bs->cs_polarity;
+ __raw_writel(reg, bs->regs + HSSPI_GLOBAL_CTRL_REG);
+ mutex_unlock(&bs->bus_mutex);
+
+ msg->status = status;
+ spi_finalize_current_message(master);
+
+ return 0;
+}
+
+static irqreturn_t bcm63xx_hsspi_interrupt(int irq, void *dev_id)
+{
+ struct bcm63xx_hsspi *bs = (struct bcm63xx_hsspi *)dev_id;
+
+ if (__raw_readl(bs->regs + HSSPI_INT_STATUS_MASKED_REG) == 0)
+ return IRQ_NONE;
+
+ __raw_writel(HSSPI_INT_CLEAR_ALL, bs->regs + HSSPI_INT_STATUS_REG);
+ __raw_writel(0, bs->regs + HSSPI_INT_MASK_REG);
+
+ complete(&bs->done);
+
+ return IRQ_HANDLED;
+}
+
+static int bcm63xx_hsspi_probe(struct platform_device *pdev)
+{
+ struct spi_master *master;
+ struct bcm63xx_hsspi *bs;
+ struct resource *res_mem;
+ void __iomem *regs;
+ struct device *dev = &pdev->dev;
+ struct clk *clk;
+ int irq, ret;
+ u32 reg, rate;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(dev, "no irq\n");
+ return -ENXIO;
+ }
+
+ res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ regs = devm_ioremap_resource(dev, res_mem);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ clk = devm_clk_get(dev, "hsspi");
+
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ rate = clk_get_rate(clk);
+ if (!rate)
+ return -EINVAL;
+
+ ret = clk_prepare_enable(clk);
+ if (ret)
+ return ret;
+
+ master = spi_alloc_master(&pdev->dev, sizeof(*bs));
+ if (!master) {
+ ret = -ENOMEM;
+ goto out_disable_clk;
+ }
+
+ bs = spi_master_get_devdata(master);
+ bs->pdev = pdev;
+ bs->clk = clk;
+ bs->regs = regs;
+ bs->speed_hz = rate;
+ bs->fifo = (u8 __iomem *)(bs->regs + HSSPI_FIFO_REG(0));
+
+ mutex_init(&bs->bus_mutex);
+
+ master->bus_num = HSSPI_BUS_NUM;
+ master->num_chipselect = 8;
+ master->setup = bcm63xx_hsspi_setup;
+ master->transfer_one_message = bcm63xx_hsspi_transfer_one;
+ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+ master->bits_per_word_mask = SPI_BPW_MASK(8);
+ master->auto_runtime_pm = true;
+
+ platform_set_drvdata(pdev, master);
+
+ /* Initialize the hardware */
+ __raw_writel(0, bs->regs + HSSPI_INT_MASK_REG);
+
+ /* clean up any pending interrupts */
+ __raw_writel(HSSPI_INT_CLEAR_ALL, bs->regs + HSSPI_INT_STATUS_REG);
+
+ /* read out default CS polarities */
+ reg = __raw_readl(bs->regs + HSSPI_GLOBAL_CTRL_REG);
+ bs->cs_polarity = reg & GLOBAL_CTRL_CS_POLARITY_MASK;
+ __raw_writel(reg | GLOBAL_CTRL_CLK_GATE_SSOFF,
+ bs->regs + HSSPI_GLOBAL_CTRL_REG);
+
+ ret = devm_request_irq(dev, irq, bcm63xx_hsspi_interrupt, IRQF_SHARED,
+ pdev->name, bs);
+
+ if (ret)
+ goto out_put_master;
+
+ /* register and we are done */
+ ret = devm_spi_register_master(dev, master);
+ if (ret)
+ goto out_put_master;
+
+ return 0;
+
+out_put_master:
+ spi_master_put(master);
+out_disable_clk:
+ clk_disable_unprepare(clk);
+ return ret;
+}
+
+
+static int bcm63xx_hsspi_remove(struct platform_device *pdev)
+{
+ struct spi_master *master = platform_get_drvdata(pdev);
+ struct bcm63xx_hsspi *bs = spi_master_get_devdata(master);
+
+ /* reset the hardware and block queue progress */
+ __raw_writel(0, bs->regs + HSSPI_INT_MASK_REG);
+ clk_disable_unprepare(bs->clk);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int bcm63xx_hsspi_suspend(struct device *dev)
+{
+ struct spi_master *master = dev_get_drvdata(dev);
+ struct bcm63xx_hsspi *bs = spi_master_get_devdata(master);
+
+ spi_master_suspend(master);
+ clk_disable_unprepare(bs->clk);
+
+ return 0;
+}
+
+static int bcm63xx_hsspi_resume(struct device *dev)
+{
+ struct spi_master *master = dev_get_drvdata(dev);
+ struct bcm63xx_hsspi *bs = spi_master_get_devdata(master);
+ int ret;
+
+ ret = clk_prepare_enable(bs->clk);
+ if (ret)
+ return ret;
+
+ spi_master_resume(master);
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops bcm63xx_hsspi_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(bcm63xx_hsspi_suspend, bcm63xx_hsspi_resume)
+};
+
+static struct platform_driver bcm63xx_hsspi_driver = {
+ .driver = {
+ .name = "bcm63xx-hsspi",
+ .owner = THIS_MODULE,
+ .pm = &bcm63xx_hsspi_pm_ops,
+ },
+ .probe = bcm63xx_hsspi_probe,
+ .remove = bcm63xx_hsspi_remove,
+};
+
+module_platform_driver(bcm63xx_hsspi_driver);
+
+MODULE_ALIAS("platform:bcm63xx_hsspi");
+MODULE_DESCRIPTION("Broadcom BCM63xx High Speed SPI Controller driver");
+MODULE_AUTHOR("Jonas Gorski <jogo@openwrt.org>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index 80d56b214eb5..77286aef2adf 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -169,8 +169,6 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *first,
transfer_list);
}
- len -= prepend_len;
-
init_completion(&bs->done);
/* Fill in the Message control register */
@@ -205,13 +203,7 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *first,
if (!timeout)
return -ETIMEDOUT;
- /* read out all data */
- rx_tail = bcm_spi_readb(bs, SPI_RX_TAIL);
-
- if (do_rx && rx_tail != len)
- return -EIO;
-
- if (!rx_tail)
+ if (!do_rx)
return 0;
len = 0;
@@ -345,22 +337,19 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "no irq\n");
- ret = -ENXIO;
- goto out;
+ return -ENXIO;
}
- clk = clk_get(dev, "spi");
+ clk = devm_clk_get(dev, "spi");
if (IS_ERR(clk)) {
dev_err(dev, "no clock for device\n");
- ret = PTR_ERR(clk);
- goto out;
+ return PTR_ERR(clk);
}
master = spi_alloc_master(dev, sizeof(*bs));
if (!master) {
dev_err(dev, "out of memory\n");
- ret = -ENOMEM;
- goto out_clk;
+ return -ENOMEM;
}
bs = spi_master_get_devdata(master);
@@ -408,7 +397,10 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
}
/* Initialize hardware */
- clk_prepare_enable(bs->clk);
+ ret = clk_prepare_enable(bs->clk);
+ if (ret)
+ goto out_err;
+
bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
/* register and we are done */
@@ -427,15 +419,12 @@ out_clk_disable:
clk_disable_unprepare(clk);
out_err:
spi_master_put(master);
-out_clk:
- clk_put(clk);
-out:
return ret;
}
static int bcm63xx_spi_remove(struct platform_device *pdev)
{
- struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+ struct spi_master *master = platform_get_drvdata(pdev);
struct bcm63xx_spi *bs = spi_master_get_devdata(master);
/* reset spi block */
@@ -443,12 +432,11 @@ static int bcm63xx_spi_remove(struct platform_device *pdev)
/* HW shutdown */
clk_disable_unprepare(bs->clk);
- clk_put(bs->clk);
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int bcm63xx_spi_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
@@ -465,29 +453,27 @@ static int bcm63xx_spi_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+ int ret;
- clk_prepare_enable(bs->clk);
+ ret = clk_prepare_enable(bs->clk);
+ if (ret)
+ return ret;
spi_master_resume(master);
return 0;
}
+#endif
static const struct dev_pm_ops bcm63xx_spi_pm_ops = {
- .suspend = bcm63xx_spi_suspend,
- .resume = bcm63xx_spi_resume,
+ SET_SYSTEM_SLEEP_PM_OPS(bcm63xx_spi_suspend, bcm63xx_spi_resume)
};
-#define BCM63XX_SPI_PM_OPS (&bcm63xx_spi_pm_ops)
-#else
-#define BCM63XX_SPI_PM_OPS NULL
-#endif
-
static struct platform_driver bcm63xx_spi_driver = {
.driver = {
.name = "bcm63xx-spi",
.owner = THIS_MODULE,
- .pm = BCM63XX_SPI_PM_OPS,
+ .pm = &bcm63xx_spi_pm_ops,
},
.probe = bcm63xx_spi_probe,
.remove = bcm63xx_spi_remove,
diff --git a/drivers/spi/spi-bitbang-txrx.h b/drivers/spi/spi-bitbang-txrx.h
index c16bf853c3eb..c616e41521be 100644
--- a/drivers/spi/spi-bitbang-txrx.h
+++ b/drivers/spi/spi-bitbang-txrx.h
@@ -38,7 +38,7 @@
*
* Since this is software, the timings may not be exactly what your board's
* chips need ... there may be several reasons you'd need to tweak timings
- * in these routines, not just make to make it faster or slower to match a
+ * in these routines, not just to make it faster or slower to match a
* particular CPU clock rate.
*/
diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c
index 6f03d7e6435d..374ba4a48a9e 100644
--- a/drivers/spi/spi-clps711x.c
+++ b/drivers/spi/spi-clps711x.c
@@ -1,7 +1,7 @@
/*
* CLPS711X SPI bus driver
*
- * Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
+ * Copyright (C) 2012-2014 Alexander Shiyan <shc_work@mail.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -198,7 +198,7 @@ static int spi_clps711x_probe(struct platform_device *pdev)
ret = -EINVAL;
goto err_out;
}
- if (gpio_request(hw->chipselect[i], DRIVER_NAME)) {
+ if (devm_gpio_request(&pdev->dev, hw->chipselect[i], NULL)) {
dev_err(&pdev->dev, "Can't get CS GPIO %i\n", i);
ret = -EINVAL;
goto err_out;
@@ -240,38 +240,21 @@ static int spi_clps711x_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to register master\n");
err_out:
- while (--i >= 0)
- if (gpio_is_valid(hw->chipselect[i]))
- gpio_free(hw->chipselect[i]);
-
spi_master_put(master);
return ret;
}
-static int spi_clps711x_remove(struct platform_device *pdev)
-{
- int i;
- struct spi_master *master = platform_get_drvdata(pdev);
- struct spi_clps711x_data *hw = spi_master_get_devdata(master);
-
- for (i = 0; i < master->num_chipselect; i++)
- if (gpio_is_valid(hw->chipselect[i]))
- gpio_free(hw->chipselect[i]);
-
- return 0;
-}
-
static struct platform_driver clps711x_spi_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
.probe = spi_clps711x_probe,
- .remove = spi_clps711x_remove,
};
module_platform_driver(clps711x_spi_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Alexander Shiyan <shc_work@mail.ru>");
MODULE_DESCRIPTION("CLPS711X SPI bus driver");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c
index cc5b75d10c38..cabed8f9119e 100644
--- a/drivers/spi/spi-coldfire-qspi.c
+++ b/drivers/spi/spi-coldfire-qspi.c
@@ -397,44 +397,31 @@ static int mcfqspi_probe(struct platform_device *pdev)
mcfqspi = spi_master_get_devdata(master);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_dbg(&pdev->dev, "platform_get_resource failed\n");
- status = -ENXIO;
+ mcfqspi->iobase = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(mcfqspi->iobase)) {
+ status = PTR_ERR(mcfqspi->iobase);
goto fail0;
}
- if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
- dev_dbg(&pdev->dev, "request_mem_region failed\n");
- status = -EBUSY;
- goto fail0;
- }
-
- mcfqspi->iobase = ioremap(res->start, resource_size(res));
- if (!mcfqspi->iobase) {
- dev_dbg(&pdev->dev, "ioremap failed\n");
- status = -ENOMEM;
- goto fail1;
- }
-
mcfqspi->irq = platform_get_irq(pdev, 0);
if (mcfqspi->irq < 0) {
dev_dbg(&pdev->dev, "platform_get_irq failed\n");
status = -ENXIO;
- goto fail2;
+ goto fail0;
}
- status = request_irq(mcfqspi->irq, mcfqspi_irq_handler, 0,
- pdev->name, mcfqspi);
+ status = devm_request_irq(&pdev->dev, mcfqspi->irq, mcfqspi_irq_handler,
+ 0, pdev->name, mcfqspi);
if (status) {
dev_dbg(&pdev->dev, "request_irq failed\n");
- goto fail2;
+ goto fail0;
}
- mcfqspi->clk = clk_get(&pdev->dev, "qspi_clk");
+ mcfqspi->clk = devm_clk_get(&pdev->dev, "qspi_clk");
if (IS_ERR(mcfqspi->clk)) {
dev_dbg(&pdev->dev, "clk_get failed\n");
status = PTR_ERR(mcfqspi->clk);
- goto fail3;
+ goto fail0;
}
clk_enable(mcfqspi->clk);
@@ -445,7 +432,7 @@ static int mcfqspi_probe(struct platform_device *pdev)
status = mcfqspi_cs_setup(mcfqspi);
if (status) {
dev_dbg(&pdev->dev, "error initializing cs_control\n");
- goto fail4;
+ goto fail1;
}
init_waitqueue_head(&mcfqspi->waitq);
@@ -459,10 +446,10 @@ static int mcfqspi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, master);
- status = spi_register_master(master);
+ status = devm_spi_register_master(&pdev->dev, master);
if (status) {
dev_dbg(&pdev->dev, "spi_register_master failed\n");
- goto fail5;
+ goto fail2;
}
pm_runtime_enable(mcfqspi->dev);
@@ -470,17 +457,10 @@ static int mcfqspi_probe(struct platform_device *pdev)
return 0;
-fail5:
- mcfqspi_cs_teardown(mcfqspi);
-fail4:
- clk_disable(mcfqspi->clk);
- clk_put(mcfqspi->clk);
-fail3:
- free_irq(mcfqspi->irq, mcfqspi);
fail2:
- iounmap(mcfqspi->iobase);
+ mcfqspi_cs_teardown(mcfqspi);
fail1:
- release_mem_region(res->start, resource_size(res));
+ clk_disable(mcfqspi->clk);
fail0:
spi_master_put(master);
@@ -501,11 +481,6 @@ static int mcfqspi_remove(struct platform_device *pdev)
mcfqspi_cs_teardown(mcfqspi);
clk_disable(mcfqspi->clk);
- clk_put(mcfqspi->clk);
- free_irq(mcfqspi->irq, mcfqspi);
- iounmap(mcfqspi->iobase);
- release_mem_region(res->start, resource_size(res));
- spi_unregister_master(master);
return 0;
}
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 50b2d88c8190..5e7389faa2a0 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -396,10 +396,6 @@ static int davinci_spi_setup(struct spi_device *spi)
dspi = spi_master_get_devdata(spi->master);
pdata = &dspi->pdata;
- /* if bits per word length is zero then set it default 8 */
- if (!spi->bits_per_word)
- spi->bits_per_word = 8;
-
if (!(spi->mode & SPI_NO_CS)) {
if ((pdata->chip_sel == NULL) ||
(pdata->chip_sel[spi->chip_select] == SPI_INTERN_CS))
@@ -853,7 +849,7 @@ static int davinci_spi_probe(struct platform_device *pdev)
struct spi_master *master;
struct davinci_spi *dspi;
struct davinci_spi_platform_data *pdata;
- struct resource *r, *mem;
+ struct resource *r;
resource_size_t dma_rx_chan = SPI_NO_RESOURCE;
resource_size_t dma_tx_chan = SPI_NO_RESOURCE;
int i = 0, ret = 0;
@@ -894,39 +890,33 @@ static int davinci_spi_probe(struct platform_device *pdev)
dspi->pbase = r->start;
- mem = request_mem_region(r->start, resource_size(r), pdev->name);
- if (mem == NULL) {
- ret = -EBUSY;
+ dspi->base = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(dspi->base)) {
+ ret = PTR_ERR(dspi->base);
goto free_master;
}
- dspi->base = ioremap(r->start, resource_size(r));
- if (dspi->base == NULL) {
- ret = -ENOMEM;
- goto release_region;
- }
-
dspi->irq = platform_get_irq(pdev, 0);
if (dspi->irq <= 0) {
ret = -EINVAL;
- goto unmap_io;
+ goto free_master;
}
- ret = request_threaded_irq(dspi->irq, davinci_spi_irq, dummy_thread_fn,
- 0, dev_name(&pdev->dev), dspi);
+ ret = devm_request_threaded_irq(&pdev->dev, dspi->irq, davinci_spi_irq,
+ dummy_thread_fn, 0, dev_name(&pdev->dev), dspi);
if (ret)
- goto unmap_io;
+ goto free_master;
dspi->bitbang.master = master;
if (dspi->bitbang.master == NULL) {
ret = -ENODEV;
- goto irq_free;
+ goto free_master;
}
- dspi->clk = clk_get(&pdev->dev, NULL);
+ dspi->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dspi->clk)) {
ret = -ENODEV;
- goto irq_free;
+ goto free_master;
}
clk_prepare_enable(dspi->clk);
@@ -963,8 +953,8 @@ static int davinci_spi_probe(struct platform_device *pdev)
goto free_clk;
dev_info(&pdev->dev, "DMA: supported\n");
- dev_info(&pdev->dev, "DMA: RX channel: %d, TX channel: %d, "
- "event queue: %d\n", dma_rx_chan, dma_tx_chan,
+ dev_info(&pdev->dev, "DMA: RX channel: %pa, TX channel: %pa, "
+ "event queue: %d\n", &dma_rx_chan, &dma_tx_chan,
pdata->dma_event_q);
}
@@ -1015,13 +1005,6 @@ free_dma:
dma_release_channel(dspi->dma_tx);
free_clk:
clk_disable_unprepare(dspi->clk);
- clk_put(dspi->clk);
-irq_free:
- free_irq(dspi->irq, dspi);
-unmap_io:
- iounmap(dspi->base);
-release_region:
- release_mem_region(dspi->pbase, resource_size(r));
free_master:
spi_master_put(master);
err:
@@ -1041,7 +1024,6 @@ static int davinci_spi_remove(struct platform_device *pdev)
{
struct davinci_spi *dspi;
struct spi_master *master;
- struct resource *r;
master = platform_get_drvdata(pdev);
dspi = spi_master_get_devdata(master);
@@ -1049,11 +1031,6 @@ static int davinci_spi_remove(struct platform_device *pdev)
spi_bitbang_stop(&dspi->bitbang);
clk_disable_unprepare(dspi->clk);
- clk_put(dspi->clk);
- free_irq(dspi->irq, dspi);
- iounmap(dspi->base);
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(dspi->pbase, resource_size(r));
spi_master_put(master);
return 0;
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 168c620947f4..9af56cdf1540 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -30,14 +30,13 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
{
struct dw_spi_mmio *dwsmmio;
struct dw_spi *dws;
- struct resource *mem, *ioarea;
+ struct resource *mem;
int ret;
- dwsmmio = kzalloc(sizeof(struct dw_spi_mmio), GFP_KERNEL);
- if (!dwsmmio) {
- ret = -ENOMEM;
- goto err_end;
- }
+ dwsmmio = devm_kzalloc(&pdev->dev, sizeof(struct dw_spi_mmio),
+ GFP_KERNEL);
+ if (!dwsmmio)
+ return -ENOMEM;
dws = &dwsmmio->dws;
@@ -45,80 +44,51 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(&pdev->dev, "no mem resource?\n");
- ret = -EINVAL;
- goto err_kfree;
+ return -EINVAL;
}
- ioarea = request_mem_region(mem->start, resource_size(mem),
- pdev->name);
- if (!ioarea) {
- dev_err(&pdev->dev, "SPI region already claimed\n");
- ret = -EBUSY;
- goto err_kfree;
- }
-
- dws->regs = ioremap_nocache(mem->start, resource_size(mem));
- if (!dws->regs) {
- dev_err(&pdev->dev, "SPI region already mapped\n");
- ret = -ENOMEM;
- goto err_release_reg;
+ dws->regs = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(dws->regs)) {
+ dev_err(&pdev->dev, "SPI region map failed\n");
+ return PTR_ERR(dws->regs);
}
dws->irq = platform_get_irq(pdev, 0);
if (dws->irq < 0) {
dev_err(&pdev->dev, "no irq resource?\n");
- ret = dws->irq; /* -ENXIO */
- goto err_unmap;
+ return dws->irq; /* -ENXIO */
}
- dwsmmio->clk = clk_get(&pdev->dev, NULL);
- if (IS_ERR(dwsmmio->clk)) {
- ret = PTR_ERR(dwsmmio->clk);
- goto err_unmap;
- }
- clk_enable(dwsmmio->clk);
+ dwsmmio->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(dwsmmio->clk))
+ return PTR_ERR(dwsmmio->clk);
+ ret = clk_prepare_enable(dwsmmio->clk);
+ if (ret)
+ return ret;
- dws->parent_dev = &pdev->dev;
dws->bus_num = 0;
dws->num_cs = 4;
dws->max_freq = clk_get_rate(dwsmmio->clk);
- ret = dw_spi_add_host(dws);
+ ret = dw_spi_add_host(&pdev->dev, dws);
if (ret)
- goto err_clk;
+ goto out;
platform_set_drvdata(pdev, dwsmmio);
return 0;
-err_clk:
- clk_disable(dwsmmio->clk);
- clk_put(dwsmmio->clk);
- dwsmmio->clk = NULL;
-err_unmap:
- iounmap(dws->regs);
-err_release_reg:
- release_mem_region(mem->start, resource_size(mem));
-err_kfree:
- kfree(dwsmmio);
-err_end:
+out:
+ clk_disable_unprepare(dwsmmio->clk);
return ret;
}
static int dw_spi_mmio_remove(struct platform_device *pdev)
{
struct dw_spi_mmio *dwsmmio = platform_get_drvdata(pdev);
- struct resource *mem;
-
- clk_disable(dwsmmio->clk);
- clk_put(dwsmmio->clk);
- dwsmmio->clk = NULL;
+ clk_disable_unprepare(dwsmmio->clk);
dw_spi_remove_host(&dwsmmio->dws);
- iounmap(dwsmmio->dws.regs);
- kfree(dwsmmio);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(mem->start, resource_size(mem));
return 0;
}
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c
index 66fa9955ea14..3f3dc1226edf 100644
--- a/drivers/spi/spi-dw-pci.c
+++ b/drivers/spi/spi-dw-pci.c
@@ -43,35 +43,25 @@ static int spi_pci_probe(struct pci_dev *pdev,
dev_info(&pdev->dev, "found PCI SPI controller(ID: %04x:%04x)\n",
pdev->vendor, pdev->device);
- ret = pci_enable_device(pdev);
+ ret = pcim_enable_device(pdev);
if (ret)
return ret;
- dwpci = kzalloc(sizeof(struct dw_spi_pci), GFP_KERNEL);
- if (!dwpci) {
- ret = -ENOMEM;
- goto err_disable;
- }
+ dwpci = devm_kzalloc(&pdev->dev, sizeof(struct dw_spi_pci),
+ GFP_KERNEL);
+ if (!dwpci)
+ return -ENOMEM;
dwpci->pdev = pdev;
dws = &dwpci->dws;
/* Get basic io resource and map it */
dws->paddr = pci_resource_start(pdev, pci_bar);
- dws->iolen = pci_resource_len(pdev, pci_bar);
- ret = pci_request_region(pdev, pci_bar, dev_name(&pdev->dev));
+ ret = pcim_iomap_regions(pdev, 1, dev_name(&pdev->dev));
if (ret)
- goto err_kfree;
-
- dws->regs = ioremap_nocache((unsigned long)dws->paddr,
- pci_resource_len(pdev, pci_bar));
- if (!dws->regs) {
- ret = -ENOMEM;
- goto err_release_reg;
- }
+ return ret;
- dws->parent_dev = &pdev->dev;
dws->bus_num = 0;
dws->num_cs = 4;
dws->irq = pdev->irq;
@@ -83,26 +73,17 @@ static int spi_pci_probe(struct pci_dev *pdev,
if (pdev->device == 0x0800) {
ret = dw_spi_mid_init(dws);
if (ret)
- goto err_unmap;
+ return ret;
}
- ret = dw_spi_add_host(dws);
+ ret = dw_spi_add_host(&pdev->dev, dws);
if (ret)
- goto err_unmap;
+ return ret;
/* PCI hook and SPI hook use the same drv data */
pci_set_drvdata(pdev, dwpci);
- return 0;
-err_unmap:
- iounmap(dws->regs);
-err_release_reg:
- pci_release_region(pdev, pci_bar);
-err_kfree:
- kfree(dwpci);
-err_disable:
- pci_disable_device(pdev);
- return ret;
+ return 0;
}
static void spi_pci_remove(struct pci_dev *pdev)
@@ -110,10 +91,6 @@ static void spi_pci_remove(struct pci_dev *pdev)
struct dw_spi_pci *dwpci = pci_get_drvdata(pdev);
dw_spi_remove_host(&dwpci->dws);
- iounmap(dwpci->dws.regs);
- pci_release_region(pdev, 0);
- kfree(dwpci);
- pci_disable_device(pdev);
}
#ifdef CONFIG_PM
@@ -148,7 +125,7 @@ static int spi_resume(struct pci_dev *pdev)
#define spi_resume NULL
#endif
-static DEFINE_PCI_DEVICE_TABLE(pci_ids) = {
+static const struct pci_device_id pci_ids[] = {
/* Intel MID platform SPI controller 0 */
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0800) },
{},
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index b897c4adb39d..bf98d63d92b3 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -427,7 +427,6 @@ static void pump_transfers(unsigned long data)
dws->tx_end = dws->tx + transfer->len;
dws->rx = transfer->rx_buf;
dws->rx_end = dws->rx + transfer->len;
- dws->cs_change = transfer->cs_change;
dws->len = dws->cur_transfer->len;
if (chip != dws->prev_chip)
cs_change = 1;
@@ -620,9 +619,11 @@ static int dw_spi_setup(struct spi_device *spi)
/* Only alloc on first setup */
chip = spi_get_ctldata(spi);
if (!chip) {
- chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
+ chip = devm_kzalloc(&spi->dev, sizeof(struct chip_data),
+ GFP_KERNEL);
if (!chip)
return -ENOMEM;
+ spi_set_ctldata(spi, chip);
}
/*
@@ -667,7 +668,6 @@ static int dw_spi_setup(struct spi_device *spi)
| (spi->mode << SPI_MODE_OFFSET)
| (chip->tmode << SPI_TMOD_OFFSET);
- spi_set_ctldata(spi, chip);
return 0;
}
@@ -776,18 +776,16 @@ static void spi_hw_init(struct dw_spi *dws)
}
}
-int dw_spi_add_host(struct dw_spi *dws)
+int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
{
struct spi_master *master;
int ret;
BUG_ON(dws == NULL);
- master = spi_alloc_master(dws->parent_dev, 0);
- if (!master) {
- ret = -ENOMEM;
- goto exit;
- }
+ master = spi_alloc_master(dev, 0);
+ if (!master)
+ return -ENOMEM;
dws->master = master;
dws->type = SSI_MOTO_SPI;
@@ -797,7 +795,7 @@ int dw_spi_add_host(struct dw_spi *dws)
snprintf(dws->name, sizeof(dws->name), "dw_spi%d",
dws->bus_num);
- ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED,
+ ret = devm_request_irq(dev, dws->irq, dw_spi_irq, IRQF_SHARED,
dws->name, dws);
if (ret < 0) {
dev_err(&master->dev, "can not get IRQ\n");
@@ -836,7 +834,7 @@ int dw_spi_add_host(struct dw_spi *dws)
}
spi_master_set_devdata(master, dws);
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(dev, master);
if (ret) {
dev_err(&master->dev, "problem registering spi master\n");
goto err_queue_alloc;
@@ -851,10 +849,8 @@ err_queue_alloc:
dws->dma_ops->dma_exit(dws);
err_diable_hw:
spi_enable_chip(dws, 0);
- free_irq(dws->irq, dws);
err_free_master:
spi_master_put(master);
-exit:
return ret;
}
EXPORT_SYMBOL_GPL(dw_spi_add_host);
@@ -878,10 +874,6 @@ void dw_spi_remove_host(struct dw_spi *dws)
spi_enable_chip(dws, 0);
/* Disable clk */
spi_set_clk(dws, 0);
- free_irq(dws->irq, dws);
-
- /* Disconnect from the SPI framework */
- spi_unregister_master(dws->master);
}
EXPORT_SYMBOL_GPL(dw_spi_remove_host);
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 9c57c078031e..587643dae11e 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -92,13 +92,11 @@ struct dw_spi_dma_ops {
struct dw_spi {
struct spi_master *master;
struct spi_device *cur_dev;
- struct device *parent_dev;
enum dw_ssi_type type;
char name[16];
void __iomem *regs;
unsigned long paddr;
- u32 iolen;
int irq;
u32 fifo_len; /* depth of the FIFO buffer */
u32 max_freq; /* max bus freq supported */
@@ -135,7 +133,6 @@ struct dw_spi {
u8 n_bytes; /* current is a 1/2 bytes op */
u8 max_bits_per_word; /* maxim is 16b */
u32 dma_width;
- int cs_change;
irqreturn_t (*transfer_handler)(struct dw_spi *dws);
void (*cs_control)(u32 command);
@@ -231,7 +228,7 @@ struct dw_spi_chip {
void (*cs_control)(u32 command);
};
-extern int dw_spi_add_host(struct dw_spi *dws);
+extern int dw_spi_add_host(struct device *dev, struct dw_spi *dws);
extern void dw_spi_remove_host(struct dw_spi *dws);
extern int dw_spi_suspend_host(struct dw_spi *dws);
extern int dw_spi_resume_host(struct dw_spi *dws);
diff --git a/drivers/spi/spi-falcon.c b/drivers/spi/spi-falcon.c
index c7a74f0ef892..dd5bd468e962 100644
--- a/drivers/spi/spi-falcon.c
+++ b/drivers/spi/spi-falcon.c
@@ -433,21 +433,12 @@ static int falcon_sflash_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(&pdev->dev, master);
if (ret)
spi_master_put(master);
return ret;
}
-static int falcon_sflash_remove(struct platform_device *pdev)
-{
- struct falcon_sflash *priv = platform_get_drvdata(pdev);
-
- spi_unregister_master(priv->master);
-
- return 0;
-}
-
static const struct of_device_id falcon_sflash_match[] = {
{ .compatible = "lantiq,sflash-falcon" },
{},
@@ -456,7 +447,6 @@ MODULE_DEVICE_TABLE(of, falcon_sflash_match);
static struct platform_driver falcon_sflash_driver = {
.probe = falcon_sflash_probe,
- .remove = falcon_sflash_remove,
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 8641b03bdd7a..ec79f726672a 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -320,8 +320,10 @@ static void dspi_chipselect(struct spi_device *spi, int value)
switch (value) {
case BITBANG_CS_ACTIVE:
pushr |= SPI_PUSHR_CONT;
+ break;
case BITBANG_CS_INACTIVE:
pushr &= ~SPI_PUSHR_CONT;
+ break;
}
writel(pushr, dspi->base + SPI_PUSHR);
@@ -373,9 +375,6 @@ static int dspi_setup(struct spi_device *spi)
if (!spi->max_speed_hz)
return -EINVAL;
- if (!spi->bits_per_word)
- spi->bits_per_word = 8;
-
return dspi_setup_transfer(spi, NULL);
}
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index 80d8f40f7e05..428dc7a6b62e 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -705,7 +705,7 @@ static int of_fsl_espi_probe(struct platform_device *ofdev)
goto err;
irq = irq_of_parse_and_map(np, 0);
- if (!ret) {
+ if (!irq) {
ret = -EINVAL;
goto err;
}
@@ -727,6 +727,66 @@ static int of_fsl_espi_remove(struct platform_device *dev)
return mpc8xxx_spi_remove(&dev->dev);
}
+#ifdef CONFIG_PM_SLEEP
+static int of_fsl_espi_suspend(struct device *dev)
+{
+ struct spi_master *master = dev_get_drvdata(dev);
+ struct mpc8xxx_spi *mpc8xxx_spi;
+ struct fsl_espi_reg *reg_base;
+ u32 regval;
+ int ret;
+
+ mpc8xxx_spi = spi_master_get_devdata(master);
+ reg_base = mpc8xxx_spi->reg_base;
+
+ ret = spi_master_suspend(master);
+ if (ret) {
+ dev_warn(dev, "cannot suspend master\n");
+ return ret;
+ }
+
+ regval = mpc8xxx_spi_read_reg(&reg_base->mode);
+ regval &= ~SPMODE_ENABLE;
+ mpc8xxx_spi_write_reg(&reg_base->mode, regval);
+
+ return 0;
+}
+
+static int of_fsl_espi_resume(struct device *dev)
+{
+ struct fsl_spi_platform_data *pdata = dev_get_platdata(dev);
+ struct spi_master *master = dev_get_drvdata(dev);
+ struct mpc8xxx_spi *mpc8xxx_spi;
+ struct fsl_espi_reg *reg_base;
+ u32 regval;
+ int i;
+
+ mpc8xxx_spi = spi_master_get_devdata(master);
+ reg_base = mpc8xxx_spi->reg_base;
+
+ /* SPI controller initializations */
+ mpc8xxx_spi_write_reg(&reg_base->mode, 0);
+ mpc8xxx_spi_write_reg(&reg_base->mask, 0);
+ mpc8xxx_spi_write_reg(&reg_base->command, 0);
+ mpc8xxx_spi_write_reg(&reg_base->event, 0xffffffff);
+
+ /* Init eSPI CS mode register */
+ for (i = 0; i < pdata->max_chipselect; i++)
+ mpc8xxx_spi_write_reg(&reg_base->csmode[i], CSMODE_INIT_VAL);
+
+ /* Enable SPI interface */
+ regval = pdata->initial_spmode | SPMODE_INIT_VAL | SPMODE_ENABLE;
+
+ mpc8xxx_spi_write_reg(&reg_base->mode, regval);
+
+ return spi_master_resume(master);
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct dev_pm_ops espi_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(of_fsl_espi_suspend, of_fsl_espi_resume)
+};
+
static const struct of_device_id of_fsl_espi_match[] = {
{ .compatible = "fsl,mpc8536-espi" },
{}
@@ -738,6 +798,7 @@ static struct platform_driver fsl_espi_driver = {
.name = "fsl_espi",
.owner = THIS_MODULE,
.of_match_table = of_fsl_espi_match,
+ .pm = &espi_pm,
},
.probe = of_fsl_espi_probe,
.remove = of_fsl_espi_remove,
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index 3fb09f981980..7beeb29472ac 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -115,17 +115,17 @@ spi_to_pdata(const struct spi_device *spi)
static inline void setsck(const struct spi_device *spi, int is_on)
{
- gpio_set_value(SPI_SCK_GPIO, is_on);
+ gpio_set_value_cansleep(SPI_SCK_GPIO, is_on);
}
static inline void setmosi(const struct spi_device *spi, int is_on)
{
- gpio_set_value(SPI_MOSI_GPIO, is_on);
+ gpio_set_value_cansleep(SPI_MOSI_GPIO, is_on);
}
static inline int getmiso(const struct spi_device *spi)
{
- return !!gpio_get_value(SPI_MISO_GPIO);
+ return !!gpio_get_value_cansleep(SPI_MISO_GPIO);
}
#undef pdata
@@ -229,7 +229,7 @@ static void spi_gpio_chipselect(struct spi_device *spi, int is_active)
if (cs != SPI_GPIO_NO_CHIPSELECT) {
/* SPI is normally active-low */
- gpio_set_value(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active);
+ gpio_set_value_cansleep(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active);
}
}
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index b80f2f70fef7..a5474ef9d2a0 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -206,7 +206,8 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin,
#define MX51_ECSPI_STAT_RR (1 << 3)
/* MX51 eCSPI */
-static unsigned int mx51_ecspi_clkdiv(unsigned int fin, unsigned int fspi)
+static unsigned int mx51_ecspi_clkdiv(unsigned int fin, unsigned int fspi,
+ unsigned int *fres)
{
/*
* there are two 4-bit dividers, the pre-divider divides by
@@ -234,6 +235,10 @@ static unsigned int mx51_ecspi_clkdiv(unsigned int fin, unsigned int fspi)
pr_debug("%s: fin: %u, fspi: %u, post: %u, pre: %u\n",
__func__, fin, fspi, post, pre);
+
+ /* Resulting frequency for the SCLK line. */
+ *fres = (fin / (pre + 1)) >> post;
+
return (pre << MX51_ECSPI_CTRL_PREDIV_OFFSET) |
(post << MX51_ECSPI_CTRL_POSTDIV_OFFSET);
}
@@ -264,6 +269,7 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx,
struct spi_imx_config *config)
{
u32 ctrl = MX51_ECSPI_CTRL_ENABLE, cfg = 0;
+ u32 clk = config->speed_hz, delay;
/*
* The hardware seems to have a race condition when changing modes. The
@@ -275,7 +281,7 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx,
ctrl |= MX51_ECSPI_CTRL_MODE_MASK;
/* set clock speed */
- ctrl |= mx51_ecspi_clkdiv(spi_imx->spi_clk, config->speed_hz);
+ ctrl |= mx51_ecspi_clkdiv(spi_imx->spi_clk, config->speed_hz, &clk);
/* set chip select to use */
ctrl |= MX51_ECSPI_CTRL_CS(config->cs);
@@ -297,6 +303,23 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx,
writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);
writel(cfg, spi_imx->base + MX51_ECSPI_CONFIG);
+ /*
+ * Wait until the changes in the configuration register CONFIGREG
+ * propagate into the hardware. It takes exactly one tick of the
+ * SCLK clock, but we will wait two SCLK clock just to be sure. The
+ * effect of the delay it takes for the hardware to apply changes
+ * is noticable if the SCLK clock run very slow. In such a case, if
+ * the polarity of SCLK should be inverted, the GPIO ChipSelect might
+ * be asserted before the SCLK polarity changes, which would disrupt
+ * the SPI communication as the device on the other end would consider
+ * the change of SCLK polarity as a clock tick already.
+ */
+ delay = (2 * 1000000) / clk;
+ if (likely(delay < 10)) /* SCLK is faster than 100 kHz */
+ udelay(delay);
+ else /* SCLK is _very_ slow */
+ usleep_range(delay, delay + 10);
+
return 0;
}
diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c
index 9602bbd8d7ea..46d2313f7c6f 100644
--- a/drivers/spi/spi-mpc512x-psc.c
+++ b/drivers/spi/spi-mpc512x-psc.c
@@ -504,7 +504,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
master->cleanup = mpc512x_psc_spi_cleanup;
master->dev.of_node = dev->of_node;
- tempp = ioremap(regaddr, size);
+ tempp = devm_ioremap(dev, regaddr, size);
if (!tempp) {
dev_err(dev, "could not ioremap I/O port range\n");
ret = -EFAULT;
@@ -513,9 +513,8 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
mps->psc = tempp;
mps->fifo =
(struct mpc512x_psc_fifo *)(tempp + sizeof(struct mpc52xx_psc));
-
- ret = request_irq(mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED,
- "mpc512x-psc-spi", mps);
+ ret = devm_request_irq(dev, mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED,
+ "mpc512x-psc-spi", mps);
if (ret)
goto free_master;
init_completion(&mps->txisrdone);
@@ -525,11 +524,11 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
clk = devm_clk_get(dev, clk_name);
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
- goto free_irq;
+ goto free_master;
}
ret = clk_prepare_enable(clk);
if (ret)
- goto free_irq;
+ goto free_master;
mps->clk_mclk = clk;
mps->mclk_rate = clk_get_rate(clk);
@@ -545,11 +544,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
free_clock:
clk_disable_unprepare(mps->clk_mclk);
-free_irq:
- free_irq(mps->irq, mps);
free_master:
- if (mps->psc)
- iounmap(mps->psc);
spi_master_put(master);
return ret;
@@ -557,13 +552,10 @@ free_master:
static int mpc512x_psc_spi_do_remove(struct device *dev)
{
- struct spi_master *master = spi_master_get(dev_get_drvdata(dev));
+ struct spi_master *master = dev_get_drvdata(dev);
struct mpc512x_psc_spi *mps = spi_master_get_devdata(master);
clk_disable_unprepare(mps->clk_mclk);
- free_irq(mps->irq, mps);
- if (mps->psc)
- iounmap(mps->psc);
return 0;
}
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 73afb56c08cc..79e5aa2250c8 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -111,14 +111,6 @@ static int mxs_spi_setup_transfer(struct spi_device *dev,
return 0;
}
-static int mxs_spi_setup(struct spi_device *dev)
-{
- if (!dev->bits_per_word)
- dev->bits_per_word = 8;
-
- return 0;
-}
-
static u32 mxs_spi_cs_to_reg(unsigned cs)
{
u32 select = 0;
@@ -502,7 +494,6 @@ static int mxs_spi_probe(struct platform_device *pdev)
return -ENOMEM;
master->transfer_one_message = mxs_spi_transfer_one;
- master->setup = mxs_spi_setup;
master->bits_per_word_mask = SPI_BPW_MASK(8);
master->mode_bits = SPI_CPOL | SPI_CPHA;
master->num_chipselect = 3;
@@ -565,7 +556,7 @@ static int mxs_spi_remove(struct platform_device *pdev)
struct mxs_spi *spi;
struct mxs_ssp *ssp;
- master = spi_master_get(platform_get_drvdata(pdev));
+ master = platform_get_drvdata(pdev);
spi = spi_master_get_devdata(master);
ssp = &spi->ssp;
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index e0c32bc69ee2..50406306bc20 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -57,7 +57,6 @@ struct nuc900_spi {
const unsigned char *tx;
unsigned char *rx;
struct clk *clk;
- struct resource *ioarea;
struct spi_master *master;
struct spi_device *curdev;
struct device *dev;
@@ -344,8 +343,7 @@ static int nuc900_spi_probe(struct platform_device *pdev)
master = spi_alloc_master(&pdev->dev, sizeof(struct nuc900_spi));
if (master == NULL) {
dev_err(&pdev->dev, "No memory for spi_master\n");
- err = -ENOMEM;
- goto err_nomem;
+ return -ENOMEM;
}
hw = spi_master_get_devdata(master);
@@ -370,46 +368,31 @@ static int nuc900_spi_probe(struct platform_device *pdev)
hw->bitbang.txrx_bufs = nuc900_spi_txrx;
hw->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (hw->res == NULL) {
- dev_err(&pdev->dev, "Cannot get IORESOURCE_MEM\n");
- err = -ENOENT;
- goto err_pdata;
- }
-
- hw->ioarea = request_mem_region(hw->res->start,
- resource_size(hw->res), pdev->name);
-
- if (hw->ioarea == NULL) {
- dev_err(&pdev->dev, "Cannot reserve region\n");
- err = -ENXIO;
+ hw->regs = devm_ioremap_resource(&pdev->dev, hw->res);
+ if (IS_ERR(hw->regs)) {
+ err = PTR_ERR(hw->regs);
goto err_pdata;
}
- hw->regs = ioremap(hw->res->start, resource_size(hw->res));
- if (hw->regs == NULL) {
- dev_err(&pdev->dev, "Cannot map IO\n");
- err = -ENXIO;
- goto err_iomap;
- }
-
hw->irq = platform_get_irq(pdev, 0);
if (hw->irq < 0) {
dev_err(&pdev->dev, "No IRQ specified\n");
err = -ENOENT;
- goto err_irq;
+ goto err_pdata;
}
- err = request_irq(hw->irq, nuc900_spi_irq, 0, pdev->name, hw);
+ err = devm_request_irq(&pdev->dev, hw->irq, nuc900_spi_irq, 0,
+ pdev->name, hw);
if (err) {
dev_err(&pdev->dev, "Cannot claim IRQ\n");
- goto err_irq;
+ goto err_pdata;
}
- hw->clk = clk_get(&pdev->dev, "spi");
+ hw->clk = devm_clk_get(&pdev->dev, "spi");
if (IS_ERR(hw->clk)) {
dev_err(&pdev->dev, "No clock for device\n");
err = PTR_ERR(hw->clk);
- goto err_clk;
+ goto err_pdata;
}
mfp_set_groupg(&pdev->dev, NULL);
@@ -425,17 +408,8 @@ static int nuc900_spi_probe(struct platform_device *pdev)
err_register:
clk_disable(hw->clk);
- clk_put(hw->clk);
-err_clk:
- free_irq(hw->irq, hw);
-err_irq:
- iounmap(hw->regs);
-err_iomap:
- release_mem_region(hw->res->start, resource_size(hw->res));
- kfree(hw->ioarea);
err_pdata:
spi_master_put(hw->master);
-err_nomem:
return err;
}
@@ -443,18 +417,8 @@ static int nuc900_spi_remove(struct platform_device *dev)
{
struct nuc900_spi *hw = platform_get_drvdata(dev);
- free_irq(hw->irq, hw);
-
spi_bitbang_stop(&hw->bitbang);
-
clk_disable(hw->clk);
- clk_put(hw->clk);
-
- iounmap(hw->regs);
-
- release_mem_region(hw->res->start, resource_size(hw->res));
- kfree(hw->ioarea);
-
spi_master_put(hw->master);
return 0;
}
diff --git a/drivers/spi/spi-oc-tiny.c b/drivers/spi/spi-oc-tiny.c
index 91c668596202..f7c896e2981e 100644
--- a/drivers/spi/spi-oc-tiny.c
+++ b/drivers/spi/spi-oc-tiny.c
@@ -153,62 +153,22 @@ static int tiny_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
}
wait_for_completion(&hw->done);
- } else if (txp && rxp) {
- /* we need to tighten the transfer loop */
- writeb(*txp++, hw->base + TINY_SPI_TXDATA);
- if (t->len > 1) {
- writeb(*txp++, hw->base + TINY_SPI_TXDATA);
- for (i = 2; i < t->len; i++) {
- u8 rx, tx = *txp++;
- tiny_spi_wait_txr(hw);
- rx = readb(hw->base + TINY_SPI_TXDATA);
- writeb(tx, hw->base + TINY_SPI_TXDATA);
- *rxp++ = rx;
- }
- tiny_spi_wait_txr(hw);
- *rxp++ = readb(hw->base + TINY_SPI_TXDATA);
- }
- tiny_spi_wait_txe(hw);
- *rxp++ = readb(hw->base + TINY_SPI_RXDATA);
- } else if (rxp) {
- writeb(0, hw->base + TINY_SPI_TXDATA);
- if (t->len > 1) {
- writeb(0,
- hw->base + TINY_SPI_TXDATA);
- for (i = 2; i < t->len; i++) {
- u8 rx;
- tiny_spi_wait_txr(hw);
- rx = readb(hw->base + TINY_SPI_TXDATA);
- writeb(0, hw->base + TINY_SPI_TXDATA);
- *rxp++ = rx;
- }
- tiny_spi_wait_txr(hw);
- *rxp++ = readb(hw->base + TINY_SPI_TXDATA);
- }
- tiny_spi_wait_txe(hw);
- *rxp++ = readb(hw->base + TINY_SPI_RXDATA);
- } else if (txp) {
- writeb(*txp++, hw->base + TINY_SPI_TXDATA);
- if (t->len > 1) {
- writeb(*txp++, hw->base + TINY_SPI_TXDATA);
- for (i = 2; i < t->len; i++) {
- u8 tx = *txp++;
- tiny_spi_wait_txr(hw);
- writeb(tx, hw->base + TINY_SPI_TXDATA);
- }
- }
- tiny_spi_wait_txe(hw);
} else {
- writeb(0, hw->base + TINY_SPI_TXDATA);
- if (t->len > 1) {
- writeb(0, hw->base + TINY_SPI_TXDATA);
- for (i = 2; i < t->len; i++) {
+ /* we need to tighten the transfer loop */
+ writeb(txp ? *txp++ : 0, hw->base + TINY_SPI_TXDATA);
+ for (i = 1; i < t->len; i++) {
+ writeb(txp ? *txp++ : 0, hw->base + TINY_SPI_TXDATA);
+
+ if (rxp || (i != t->len - 1))
tiny_spi_wait_txr(hw);
- writeb(0, hw->base + TINY_SPI_TXDATA);
- }
+ if (rxp)
+ *rxp++ = readb(hw->base + TINY_SPI_TXDATA);
}
tiny_spi_wait_txe(hw);
+ if (rxp)
+ *rxp++ = readb(hw->base + TINY_SPI_RXDATA);
}
+
return t->len;
}
diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c
index b6ed82beb01d..0d32054bfc0d 100644
--- a/drivers/spi/spi-omap-100k.c
+++ b/drivers/spi/spi-omap-100k.c
@@ -470,31 +470,12 @@ err:
return status;
}
-static int omap1_spi100k_remove(struct platform_device *pdev)
-{
- struct spi_master *master;
- struct omap1_spi100k *spi100k;
- struct resource *r;
- int status = 0;
-
- master = platform_get_drvdata(pdev);
- spi100k = spi_master_get_devdata(master);
-
- if (status != 0)
- return status;
-
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- return 0;
-}
-
static struct platform_driver omap1_spi100k_driver = {
.driver = {
.name = "omap1_spi100k",
.owner = THIS_MODULE,
},
.probe = omap1_spi100k_probe,
- .remove = omap1_spi100k_remove,
};
module_platform_driver(omap1_spi100k_driver);
@@ -502,4 +483,3 @@ module_platform_driver(omap1_spi100k_driver);
MODULE_DESCRIPTION("OMAP7xx SPI 100k controller driver");
MODULE_AUTHOR("Fabrice Crohas <fcrohas@gmail.com>");
MODULE_LICENSE("GPL");
-
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 443df39840bc..a72127f08e39 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -157,14 +157,14 @@ static inline void mcspi_write_reg(struct spi_master *master,
{
struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
- __raw_writel(val, mcspi->base + idx);
+ writel_relaxed(val, mcspi->base + idx);
}
static inline u32 mcspi_read_reg(struct spi_master *master, int idx)
{
struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
- return __raw_readl(mcspi->base + idx);
+ return readl_relaxed(mcspi->base + idx);
}
static inline void mcspi_write_cs_reg(const struct spi_device *spi,
@@ -172,14 +172,14 @@ static inline void mcspi_write_cs_reg(const struct spi_device *spi,
{
struct omap2_mcspi_cs *cs = spi->controller_state;
- __raw_writel(val, cs->base + idx);
+ writel_relaxed(val, cs->base + idx);
}
static inline u32 mcspi_read_cs_reg(const struct spi_device *spi, int idx)
{
struct omap2_mcspi_cs *cs = spi->controller_state;
- return __raw_readl(cs->base + idx);
+ return readl_relaxed(cs->base + idx);
}
static inline u32 mcspi_cached_chconf0(const struct spi_device *spi)
@@ -338,7 +338,7 @@ static void omap2_mcspi_restore_ctx(struct omap2_mcspi *mcspi)
mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_WAKEUPENABLE, ctx->wakeupenable);
list_for_each_entry(cs, &ctx->cs, node)
- __raw_writel(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
+ writel_relaxed(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
}
static int mcspi_wait_for_reg_bit(void __iomem *reg, unsigned long bit)
@@ -346,9 +346,9 @@ static int mcspi_wait_for_reg_bit(void __iomem *reg, unsigned long bit)
unsigned long timeout;
timeout = jiffies + msecs_to_jiffies(1000);
- while (!(__raw_readl(reg) & bit)) {
+ while (!(readl_relaxed(reg) & bit)) {
if (time_after(jiffies, timeout)) {
- if (!(__raw_readl(reg) & bit))
+ if (!(readl_relaxed(reg) & bit))
return -ETIMEDOUT;
else
return 0;
@@ -675,7 +675,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
}
dev_vdbg(&spi->dev, "write-%d %02x\n",
word_len, *tx);
- __raw_writel(*tx++, tx_reg);
+ writel_relaxed(*tx++, tx_reg);
}
if (rx != NULL) {
if (mcspi_wait_for_reg_bit(chstat_reg,
@@ -687,7 +687,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
if (c == 1 && tx == NULL &&
(l & OMAP2_MCSPI_CHCONF_TURBO)) {
omap2_mcspi_set_enable(spi, 0);
- *rx++ = __raw_readl(rx_reg);
+ *rx++ = readl_relaxed(rx_reg);
dev_vdbg(&spi->dev, "read-%d %02x\n",
word_len, *(rx - 1));
if (mcspi_wait_for_reg_bit(chstat_reg,
@@ -701,7 +701,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
omap2_mcspi_set_enable(spi, 0);
}
- *rx++ = __raw_readl(rx_reg);
+ *rx++ = readl_relaxed(rx_reg);
dev_vdbg(&spi->dev, "read-%d %02x\n",
word_len, *(rx - 1));
}
@@ -722,7 +722,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
}
dev_vdbg(&spi->dev, "write-%d %04x\n",
word_len, *tx);
- __raw_writel(*tx++, tx_reg);
+ writel_relaxed(*tx++, tx_reg);
}
if (rx != NULL) {
if (mcspi_wait_for_reg_bit(chstat_reg,
@@ -734,7 +734,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
if (c == 2 && tx == NULL &&
(l & OMAP2_MCSPI_CHCONF_TURBO)) {
omap2_mcspi_set_enable(spi, 0);
- *rx++ = __raw_readl(rx_reg);
+ *rx++ = readl_relaxed(rx_reg);
dev_vdbg(&spi->dev, "read-%d %04x\n",
word_len, *(rx - 1));
if (mcspi_wait_for_reg_bit(chstat_reg,
@@ -748,7 +748,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
omap2_mcspi_set_enable(spi, 0);
}
- *rx++ = __raw_readl(rx_reg);
+ *rx++ = readl_relaxed(rx_reg);
dev_vdbg(&spi->dev, "read-%d %04x\n",
word_len, *(rx - 1));
}
@@ -769,7 +769,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
}
dev_vdbg(&spi->dev, "write-%d %08x\n",
word_len, *tx);
- __raw_writel(*tx++, tx_reg);
+ writel_relaxed(*tx++, tx_reg);
}
if (rx != NULL) {
if (mcspi_wait_for_reg_bit(chstat_reg,
@@ -781,7 +781,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
if (c == 4 && tx == NULL &&
(l & OMAP2_MCSPI_CHCONF_TURBO)) {
omap2_mcspi_set_enable(spi, 0);
- *rx++ = __raw_readl(rx_reg);
+ *rx++ = readl_relaxed(rx_reg);
dev_vdbg(&spi->dev, "read-%d %08x\n",
word_len, *(rx - 1));
if (mcspi_wait_for_reg_bit(chstat_reg,
@@ -795,7 +795,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
omap2_mcspi_set_enable(spi, 0);
}
- *rx++ = __raw_readl(rx_reg);
+ *rx++ = readl_relaxed(rx_reg);
dev_vdbg(&spi->dev, "read-%d %08x\n",
word_len, *(rx - 1));
}
@@ -1107,7 +1107,7 @@ static void omap2_mcspi_work(struct omap2_mcspi *mcspi, struct spi_message *m)
/* RX_ONLY mode needs dummy data in TX reg */
if (t->tx_buf == NULL)
- __raw_writel(0, cs->base
+ writel_relaxed(0, cs->base
+ OMAP2_MCSPI_TX0);
if ((mcspi_dma->dma_rx && mcspi_dma->dma_tx) &&
@@ -1470,9 +1470,9 @@ static int omap2_mcspi_resume(struct device *dev)
* change in account.
*/
cs->chconf0 |= OMAP2_MCSPI_CHCONF_FORCE;
- __raw_writel(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
+ writel_relaxed(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
cs->chconf0 &= ~OMAP2_MCSPI_CHCONF_FORCE;
- __raw_writel(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
+ writel_relaxed(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
}
}
pm_runtime_mark_last_busy(mcspi->dev);
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index 744841e095e4..7f2121fe2622 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -434,7 +434,7 @@ static int orion_spi_probe(struct platform_device *pdev)
spi = spi_master_get_devdata(master);
spi->master = master;
- spi->clk = clk_get(&pdev->dev, NULL);
+ spi->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(spi->clk)) {
status = PTR_ERR(spi->clk);
goto out;
@@ -465,7 +465,6 @@ static int orion_spi_probe(struct platform_device *pdev)
out_rel_clk:
clk_disable_unprepare(spi->clk);
- clk_put(spi->clk);
out:
spi_master_put(master);
return status;
@@ -481,7 +480,6 @@ static int orion_spi_remove(struct platform_device *pdev)
spi = spi_master_get_devdata(master);
clk_disable_unprepare(spi->clk);
- clk_put(spi->clk);
return 0;
}
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 74bc18775658..3f006d3ed2a8 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -62,7 +62,7 @@ static void ce4100_spi_remove(struct pci_dev *dev)
platform_device_unregister(pdev);
}
-static DEFINE_PCI_DEVICE_TABLE(ce4100_spi_devices) = {
+static const struct pci_device_id ce4100_spi_devices[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x2e6a) },
{ },
};
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index cb0e1f1137ad..c702fc536a77 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1066,6 +1066,8 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev)
pdata->num_chipselect = 1;
pdata->enable_dma = true;
+ pdata->tx_chan_id = -1;
+ pdata->rx_chan_id = -1;
return pdata;
}
@@ -1073,6 +1075,8 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev)
static struct acpi_device_id pxa2xx_spi_acpi_match[] = {
{ "INT33C0", 0 },
{ "INT33C1", 0 },
+ { "INT3430", 0 },
+ { "INT3431", 0 },
{ "80860F0E", 0 },
{ },
};
@@ -1264,7 +1268,7 @@ static void pxa2xx_spi_shutdown(struct platform_device *pdev)
dev_err(&pdev->dev, "shutdown failed with %d\n", status);
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int pxa2xx_spi_suspend(struct device *dev)
{
struct driver_data *drv_data = dev_get_drvdata(dev);
@@ -1291,6 +1295,9 @@ static int pxa2xx_spi_resume(struct device *dev)
/* Enable the SSP clock */
clk_prepare_enable(ssp->clk);
+ /* Restore LPSS private register bits */
+ lpss_ssp_setup(drv_data);
+
/* Start the queue running */
status = spi_master_resume(drv_data->master);
if (status != 0) {
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 58449ad4ad0d..28987d9fcfe5 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -37,117 +37,145 @@
#include <linux/spi/spi.h>
#include <linux/spi/rspi.h>
-#define RSPI_SPCR 0x00
-#define RSPI_SSLP 0x01
-#define RSPI_SPPCR 0x02
-#define RSPI_SPSR 0x03
-#define RSPI_SPDR 0x04
-#define RSPI_SPSCR 0x08
-#define RSPI_SPSSR 0x09
-#define RSPI_SPBR 0x0a
-#define RSPI_SPDCR 0x0b
-#define RSPI_SPCKD 0x0c
-#define RSPI_SSLND 0x0d
-#define RSPI_SPND 0x0e
-#define RSPI_SPCR2 0x0f
-#define RSPI_SPCMD0 0x10
-#define RSPI_SPCMD1 0x12
-#define RSPI_SPCMD2 0x14
-#define RSPI_SPCMD3 0x16
-#define RSPI_SPCMD4 0x18
-#define RSPI_SPCMD5 0x1a
-#define RSPI_SPCMD6 0x1c
-#define RSPI_SPCMD7 0x1e
+#define RSPI_SPCR 0x00 /* Control Register */
+#define RSPI_SSLP 0x01 /* Slave Select Polarity Register */
+#define RSPI_SPPCR 0x02 /* Pin Control Register */
+#define RSPI_SPSR 0x03 /* Status Register */
+#define RSPI_SPDR 0x04 /* Data Register */
+#define RSPI_SPSCR 0x08 /* Sequence Control Register */
+#define RSPI_SPSSR 0x09 /* Sequence Status Register */
+#define RSPI_SPBR 0x0a /* Bit Rate Register */
+#define RSPI_SPDCR 0x0b /* Data Control Register */
+#define RSPI_SPCKD 0x0c /* Clock Delay Register */
+#define RSPI_SSLND 0x0d /* Slave Select Negation Delay Register */
+#define RSPI_SPND 0x0e /* Next-Access Delay Register */
+#define RSPI_SPCR2 0x0f /* Control Register 2 */
+#define RSPI_SPCMD0 0x10 /* Command Register 0 */
+#define RSPI_SPCMD1 0x12 /* Command Register 1 */
+#define RSPI_SPCMD2 0x14 /* Command Register 2 */
+#define RSPI_SPCMD3 0x16 /* Command Register 3 */
+#define RSPI_SPCMD4 0x18 /* Command Register 4 */
+#define RSPI_SPCMD5 0x1a /* Command Register 5 */
+#define RSPI_SPCMD6 0x1c /* Command Register 6 */
+#define RSPI_SPCMD7 0x1e /* Command Register 7 */
+#define RSPI_SPBFCR 0x20 /* Buffer Control Register */
+#define RSPI_SPBFDR 0x22 /* Buffer Data Count Setting Register */
/*qspi only */
-#define QSPI_SPBFCR 0x18
-#define QSPI_SPBDCR 0x1a
-#define QSPI_SPBMUL0 0x1c
-#define QSPI_SPBMUL1 0x20
-#define QSPI_SPBMUL2 0x24
-#define QSPI_SPBMUL3 0x28
-
-/* SPCR */
-#define SPCR_SPRIE 0x80
-#define SPCR_SPE 0x40
-#define SPCR_SPTIE 0x20
-#define SPCR_SPEIE 0x10
-#define SPCR_MSTR 0x08
-#define SPCR_MODFEN 0x04
-#define SPCR_TXMD 0x02
-#define SPCR_SPMS 0x01
-
-/* SSLP */
-#define SSLP_SSL1P 0x02
-#define SSLP_SSL0P 0x01
-
-/* SPPCR */
-#define SPPCR_MOIFE 0x20
-#define SPPCR_MOIFV 0x10
+#define QSPI_SPBFCR 0x18 /* Buffer Control Register */
+#define QSPI_SPBDCR 0x1a /* Buffer Data Count Register */
+#define QSPI_SPBMUL0 0x1c /* Transfer Data Length Multiplier Setting Register 0 */
+#define QSPI_SPBMUL1 0x20 /* Transfer Data Length Multiplier Setting Register 1 */
+#define QSPI_SPBMUL2 0x24 /* Transfer Data Length Multiplier Setting Register 2 */
+#define QSPI_SPBMUL3 0x28 /* Transfer Data Length Multiplier Setting Register 3 */
+
+/* SPCR - Control Register */
+#define SPCR_SPRIE 0x80 /* Receive Interrupt Enable */
+#define SPCR_SPE 0x40 /* Function Enable */
+#define SPCR_SPTIE 0x20 /* Transmit Interrupt Enable */
+#define SPCR_SPEIE 0x10 /* Error Interrupt Enable */
+#define SPCR_MSTR 0x08 /* Master/Slave Mode Select */
+#define SPCR_MODFEN 0x04 /* Mode Fault Error Detection Enable */
+/* RSPI on SH only */
+#define SPCR_TXMD 0x02 /* TX Only Mode (vs. Full Duplex) */
+#define SPCR_SPMS 0x01 /* 3-wire Mode (vs. 4-wire) */
+/* QSPI on R-Car M2 only */
+#define SPCR_WSWAP 0x02 /* Word Swap of read-data for DMAC */
+#define SPCR_BSWAP 0x01 /* Byte Swap of read-data for DMAC */
+
+/* SSLP - Slave Select Polarity Register */
+#define SSLP_SSL1P 0x02 /* SSL1 Signal Polarity Setting */
+#define SSLP_SSL0P 0x01 /* SSL0 Signal Polarity Setting */
+
+/* SPPCR - Pin Control Register */
+#define SPPCR_MOIFE 0x20 /* MOSI Idle Value Fixing Enable */
+#define SPPCR_MOIFV 0x10 /* MOSI Idle Fixed Value */
#define SPPCR_SPOM 0x04
-#define SPPCR_SPLP2 0x02
-#define SPPCR_SPLP 0x01
-
-/* SPSR */
-#define SPSR_SPRF 0x80
-#define SPSR_SPTEF 0x20
-#define SPSR_PERF 0x08
-#define SPSR_MODF 0x04
-#define SPSR_IDLNF 0x02
-#define SPSR_OVRF 0x01
-
-/* SPSCR */
-#define SPSCR_SPSLN_MASK 0x07
-
-/* SPSSR */
-#define SPSSR_SPECM_MASK 0x70
-#define SPSSR_SPCP_MASK 0x07
-
-/* SPDCR */
-#define SPDCR_SPLW 0x20
-#define SPDCR_SPRDTD 0x10
+#define SPPCR_SPLP2 0x02 /* Loopback Mode 2 (non-inverting) */
+#define SPPCR_SPLP 0x01 /* Loopback Mode (inverting) */
+
+#define SPPCR_IO3FV 0x04 /* Single-/Dual-SPI Mode IO3 Output Fixed Value */
+#define SPPCR_IO2FV 0x04 /* Single-/Dual-SPI Mode IO2 Output Fixed Value */
+
+/* SPSR - Status Register */
+#define SPSR_SPRF 0x80 /* Receive Buffer Full Flag */
+#define SPSR_TEND 0x40 /* Transmit End */
+#define SPSR_SPTEF 0x20 /* Transmit Buffer Empty Flag */
+#define SPSR_PERF 0x08 /* Parity Error Flag */
+#define SPSR_MODF 0x04 /* Mode Fault Error Flag */
+#define SPSR_IDLNF 0x02 /* RSPI Idle Flag */
+#define SPSR_OVRF 0x01 /* Overrun Error Flag */
+
+/* SPSCR - Sequence Control Register */
+#define SPSCR_SPSLN_MASK 0x07 /* Sequence Length Specification */
+
+/* SPSSR - Sequence Status Register */
+#define SPSSR_SPECM_MASK 0x70 /* Command Error Mask */
+#define SPSSR_SPCP_MASK 0x07 /* Command Pointer Mask */
+
+/* SPDCR - Data Control Register */
+#define SPDCR_TXDMY 0x80 /* Dummy Data Transmission Enable */
+#define SPDCR_SPLW1 0x40 /* Access Width Specification (RZ) */
+#define SPDCR_SPLW0 0x20 /* Access Width Specification (RZ) */
+#define SPDCR_SPLLWORD (SPDCR_SPLW1 | SPDCR_SPLW0)
+#define SPDCR_SPLWORD SPDCR_SPLW1
+#define SPDCR_SPLBYTE SPDCR_SPLW0
+#define SPDCR_SPLW 0x20 /* Access Width Specification (SH) */
+#define SPDCR_SPRDTD 0x10 /* Receive Transmit Data Select */
#define SPDCR_SLSEL1 0x08
#define SPDCR_SLSEL0 0x04
-#define SPDCR_SLSEL_MASK 0x0c
+#define SPDCR_SLSEL_MASK 0x0c /* SSL1 Output Select */
#define SPDCR_SPFC1 0x02
#define SPDCR_SPFC0 0x01
+#define SPDCR_SPFC_MASK 0x03 /* Frame Count Setting (1-4) */
-/* SPCKD */
-#define SPCKD_SCKDL_MASK 0x07
+/* SPCKD - Clock Delay Register */
+#define SPCKD_SCKDL_MASK 0x07 /* Clock Delay Setting (1-8) */
-/* SSLND */
-#define SSLND_SLNDL_MASK 0x07
+/* SSLND - Slave Select Negation Delay Register */
+#define SSLND_SLNDL_MASK 0x07 /* SSL Negation Delay Setting (1-8) */
-/* SPND */
-#define SPND_SPNDL_MASK 0x07
+/* SPND - Next-Access Delay Register */
+#define SPND_SPNDL_MASK 0x07 /* Next-Access Delay Setting (1-8) */
-/* SPCR2 */
-#define SPCR2_PTE 0x08
-#define SPCR2_SPIE 0x04
-#define SPCR2_SPOE 0x02
-#define SPCR2_SPPE 0x01
+/* SPCR2 - Control Register 2 */
+#define SPCR2_PTE 0x08 /* Parity Self-Test Enable */
+#define SPCR2_SPIE 0x04 /* Idle Interrupt Enable */
+#define SPCR2_SPOE 0x02 /* Odd Parity Enable (vs. Even) */
+#define SPCR2_SPPE 0x01 /* Parity Enable */
-/* SPCMDn */
-#define SPCMD_SCKDEN 0x8000
-#define SPCMD_SLNDEN 0x4000
-#define SPCMD_SPNDEN 0x2000
-#define SPCMD_LSBF 0x1000
-#define SPCMD_SPB_MASK 0x0f00
+/* SPCMDn - Command Registers */
+#define SPCMD_SCKDEN 0x8000 /* Clock Delay Setting Enable */
+#define SPCMD_SLNDEN 0x4000 /* SSL Negation Delay Setting Enable */
+#define SPCMD_SPNDEN 0x2000 /* Next-Access Delay Enable */
+#define SPCMD_LSBF 0x1000 /* LSB First */
+#define SPCMD_SPB_MASK 0x0f00 /* Data Length Setting */
#define SPCMD_SPB_8_TO_16(bit) (((bit - 1) << 8) & SPCMD_SPB_MASK)
#define SPCMD_SPB_8BIT 0x0000 /* qspi only */
#define SPCMD_SPB_16BIT 0x0100
#define SPCMD_SPB_20BIT 0x0000
#define SPCMD_SPB_24BIT 0x0100
#define SPCMD_SPB_32BIT 0x0200
-#define SPCMD_SSLKP 0x0080
-#define SPCMD_SSLA_MASK 0x0030
-#define SPCMD_BRDV_MASK 0x000c
-#define SPCMD_CPOL 0x0002
-#define SPCMD_CPHA 0x0001
-
-/* SPBFCR */
-#define SPBFCR_TXRST 0x80 /* qspi only */
-#define SPBFCR_RXRST 0x40 /* qspi only */
+#define SPCMD_SSLKP 0x0080 /* SSL Signal Level Keeping */
+#define SPCMD_SPIMOD_MASK 0x0060 /* SPI Operating Mode (QSPI only) */
+#define SPCMD_SPIMOD1 0x0040
+#define SPCMD_SPIMOD0 0x0020
+#define SPCMD_SPIMOD_SINGLE 0
+#define SPCMD_SPIMOD_DUAL SPCMD_SPIMOD0
+#define SPCMD_SPIMOD_QUAD SPCMD_SPIMOD1
+#define SPCMD_SPRW 0x0010 /* SPI Read/Write Access (Dual/Quad) */
+#define SPCMD_SSLA_MASK 0x0030 /* SSL Assert Signal Setting (RSPI) */
+#define SPCMD_BRDV_MASK 0x000c /* Bit Rate Division Setting */
+#define SPCMD_CPOL 0x0002 /* Clock Polarity Setting */
+#define SPCMD_CPHA 0x0001 /* Clock Phase Setting */
+
+/* SPBFCR - Buffer Control Register */
+#define SPBFCR_TXRST 0x80 /* Transmit Buffer Data Reset (qspi only) */
+#define SPBFCR_RXRST 0x40 /* Receive Buffer Data Reset (qspi only) */
+#define SPBFCR_TXTRG_MASK 0x30 /* Transmit Buffer Data Triggering Number */
+#define SPBFCR_RXTRG_MASK 0x07 /* Receive Buffer Data Triggering Number */
+
+#define DUMMY_DATA 0x00
struct rspi_data {
void __iomem *addr;
@@ -158,7 +186,8 @@ struct rspi_data {
wait_queue_head_t wait;
spinlock_t lock;
struct clk *clk;
- unsigned char spsr;
+ u8 spsr;
+ u16 spcmd;
const struct spi_ops *ops;
/* for dmaengine */
@@ -170,34 +199,35 @@ struct rspi_data {
unsigned dma_callbacked:1;
};
-static void rspi_write8(struct rspi_data *rspi, u8 data, u16 offset)
+static void rspi_write8(const struct rspi_data *rspi, u8 data, u16 offset)
{
iowrite8(data, rspi->addr + offset);
}
-static void rspi_write16(struct rspi_data *rspi, u16 data, u16 offset)
+static void rspi_write16(const struct rspi_data *rspi, u16 data, u16 offset)
{
iowrite16(data, rspi->addr + offset);
}
-static void rspi_write32(struct rspi_data *rspi, u32 data, u16 offset)
+static void rspi_write32(const struct rspi_data *rspi, u32 data, u16 offset)
{
iowrite32(data, rspi->addr + offset);
}
-static u8 rspi_read8(struct rspi_data *rspi, u16 offset)
+static u8 rspi_read8(const struct rspi_data *rspi, u16 offset)
{
return ioread8(rspi->addr + offset);
}
-static u16 rspi_read16(struct rspi_data *rspi, u16 offset)
+static u16 rspi_read16(const struct rspi_data *rspi, u16 offset)
{
return ioread16(rspi->addr + offset);
}
/* optional functions */
struct spi_ops {
- int (*set_config_register)(struct rspi_data *rspi, int access_size);
+ int (*set_config_register)(const struct rspi_data *rspi,
+ int access_size);
int (*send_pio)(struct rspi_data *rspi, struct spi_message *mesg,
struct spi_transfer *t);
int (*receive_pio)(struct rspi_data *rspi, struct spi_message *mesg,
@@ -208,7 +238,8 @@ struct spi_ops {
/*
* functions for RSPI
*/
-static int rspi_set_config_register(struct rspi_data *rspi, int access_size)
+static int rspi_set_config_register(const struct rspi_data *rspi,
+ int access_size)
{
int spbr;
@@ -231,7 +262,7 @@ static int rspi_set_config_register(struct rspi_data *rspi, int access_size)
rspi_write8(rspi, 0x00, RSPI_SPCR2);
/* Sets SPCMD */
- rspi_write16(rspi, SPCMD_SPB_8_TO_16(access_size) | SPCMD_SSLKP,
+ rspi_write16(rspi, SPCMD_SPB_8_TO_16(access_size) | rspi->spcmd,
RSPI_SPCMD0);
/* Sets RSPI mode */
@@ -243,7 +274,8 @@ static int rspi_set_config_register(struct rspi_data *rspi, int access_size)
/*
* functions for QSPI
*/
-static int qspi_set_config_register(struct rspi_data *rspi, int access_size)
+static int qspi_set_config_register(const struct rspi_data *rspi,
+ int access_size)
{
u16 spcmd;
int spbr;
@@ -268,10 +300,10 @@ static int qspi_set_config_register(struct rspi_data *rspi, int access_size)
spcmd = SPCMD_SPB_8BIT;
else if (access_size == 16)
spcmd = SPCMD_SPB_16BIT;
- else if (access_size == 32)
+ else
spcmd = SPCMD_SPB_32BIT;
- spcmd |= SPCMD_SCKDEN | SPCMD_SLNDEN | SPCMD_SSLKP | SPCMD_SPNDEN;
+ spcmd |= SPCMD_SCKDEN | SPCMD_SLNDEN | rspi->spcmd | SPCMD_SPNDEN;
/* Resets transfer data length */
rspi_write32(rspi, 0, QSPI_SPBMUL0);
@@ -292,12 +324,12 @@ static int qspi_set_config_register(struct rspi_data *rspi, int access_size)
#define set_config_register(spi, n) spi->ops->set_config_register(spi, n)
-static void rspi_enable_irq(struct rspi_data *rspi, u8 enable)
+static void rspi_enable_irq(const struct rspi_data *rspi, u8 enable)
{
rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | enable, RSPI_SPCR);
}
-static void rspi_disable_irq(struct rspi_data *rspi, u8 disable)
+static void rspi_disable_irq(const struct rspi_data *rspi, u8 disable)
{
rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~disable, RSPI_SPCR);
}
@@ -316,12 +348,12 @@ static int rspi_wait_for_interrupt(struct rspi_data *rspi, u8 wait_mask,
return 0;
}
-static void rspi_assert_ssl(struct rspi_data *rspi)
+static void rspi_assert_ssl(const struct rspi_data *rspi)
{
rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | SPCR_SPE, RSPI_SPCR);
}
-static void rspi_negate_ssl(struct rspi_data *rspi)
+static void rspi_negate_ssl(const struct rspi_data *rspi)
{
rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_SPE, RSPI_SPCR);
}
@@ -330,9 +362,7 @@ static int rspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg,
struct spi_transfer *t)
{
int remain = t->len;
- u8 *data;
-
- data = (u8 *)t->tx_buf;
+ const u8 *data = t->tx_buf;
while (remain > 0) {
rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | SPCR_TXMD,
RSPI_SPCR);
@@ -348,7 +378,7 @@ static int rspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg,
remain--;
}
- /* Waiting for the last transmition */
+ /* Waiting for the last transmission */
rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE);
return 0;
@@ -358,12 +388,11 @@ static int qspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg,
struct spi_transfer *t)
{
int remain = t->len;
- u8 *data;
+ const u8 *data = t->tx_buf;
rspi_write8(rspi, SPBFCR_TXRST, QSPI_SPBFCR);
rspi_write8(rspi, 0x00, QSPI_SPBFCR);
- data = (u8 *)t->tx_buf;
while (remain > 0) {
if (rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE) < 0) {
@@ -383,7 +412,7 @@ static int qspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg,
remain--;
}
- /* Waiting for the last transmition */
+ /* Waiting for the last transmission */
rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE);
return 0;
@@ -399,8 +428,8 @@ static void rspi_dma_complete(void *arg)
wake_up_interruptible(&rspi->wait);
}
-static int rspi_dma_map_sg(struct scatterlist *sg, void *buf, unsigned len,
- struct dma_chan *chan,
+static int rspi_dma_map_sg(struct scatterlist *sg, const void *buf,
+ unsigned len, struct dma_chan *chan,
enum dma_transfer_direction dir)
{
sg_init_table(sg, 1);
@@ -440,12 +469,13 @@ static void rspi_memory_from_8bit(void *buf, const void *data, unsigned len)
static int rspi_send_dma(struct rspi_data *rspi, struct spi_transfer *t)
{
struct scatterlist sg;
- void *buf = NULL;
+ const void *buf = NULL;
struct dma_async_tx_descriptor *desc;
unsigned len;
int ret = 0;
if (rspi->dma_width_16bit) {
+ void *tmp;
/*
* If DMAC bus width is 16-bit, the driver allocates a dummy
* buffer. And, the driver converts original data into the
@@ -454,13 +484,14 @@ static int rspi_send_dma(struct rspi_data *rspi, struct spi_transfer *t)
* DMAC data: 1st byte, dummy, 2nd byte, dummy ...
*/
len = t->len * 2;
- buf = kmalloc(len, GFP_KERNEL);
- if (!buf)
+ tmp = kmalloc(len, GFP_KERNEL);
+ if (!tmp)
return -ENOMEM;
- rspi_memory_to_8bit(buf, t->tx_buf, t->len);
+ rspi_memory_to_8bit(tmp, t->tx_buf, t->len);
+ buf = tmp;
} else {
len = t->len;
- buf = (void *)t->tx_buf;
+ buf = t->tx_buf;
}
if (!rspi_dma_map_sg(&sg, buf, len, rspi->chan_tx, DMA_TO_DEVICE)) {
@@ -508,16 +539,16 @@ end_nomap:
return ret;
}
-static void rspi_receive_init(struct rspi_data *rspi)
+static void rspi_receive_init(const struct rspi_data *rspi)
{
- unsigned char spsr;
+ u8 spsr;
spsr = rspi_read8(rspi, RSPI_SPSR);
if (spsr & SPSR_SPRF)
rspi_read16(rspi, RSPI_SPDR); /* dummy read */
if (spsr & SPSR_OVRF)
rspi_write8(rspi, rspi_read8(rspi, RSPI_SPSR) & ~SPSR_OVRF,
- RSPI_SPCR);
+ RSPI_SPSR);
}
static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg,
@@ -528,7 +559,7 @@ static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg,
rspi_receive_init(rspi);
- data = (u8 *)t->rx_buf;
+ data = t->rx_buf;
while (remain > 0) {
rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_TXMD,
RSPI_SPCR);
@@ -539,7 +570,7 @@ static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg,
return -ETIMEDOUT;
}
/* dummy write for generate clock */
- rspi_write16(rspi, 0x00, RSPI_SPDR);
+ rspi_write16(rspi, DUMMY_DATA, RSPI_SPDR);
if (rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE) < 0) {
dev_err(&rspi->master->dev,
@@ -556,9 +587,9 @@ static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg,
return 0;
}
-static void qspi_receive_init(struct rspi_data *rspi)
+static void qspi_receive_init(const struct rspi_data *rspi)
{
- unsigned char spsr;
+ u8 spsr;
spsr = rspi_read8(rspi, RSPI_SPSR);
if (spsr & SPSR_SPRF)
@@ -575,7 +606,7 @@ static int qspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg,
qspi_receive_init(rspi);
- data = (u8 *)t->rx_buf;
+ data = t->rx_buf;
while (remain > 0) {
if (rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE) < 0) {
@@ -584,7 +615,7 @@ static int qspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg,
return -ETIMEDOUT;
}
/* dummy write for generate clock */
- rspi_write8(rspi, 0x00, RSPI_SPDR);
+ rspi_write8(rspi, DUMMY_DATA, RSPI_SPDR);
if (rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE) < 0) {
dev_err(&rspi->master->dev,
@@ -704,7 +735,7 @@ end_nomap:
return ret;
}
-static int rspi_is_dma(struct rspi_data *rspi, struct spi_transfer *t)
+static int rspi_is_dma(const struct rspi_data *rspi, struct spi_transfer *t)
{
if (t->tx_buf && rspi->chan_tx)
return 1;
@@ -771,10 +802,14 @@ static int rspi_setup(struct spi_device *spi)
{
struct rspi_data *rspi = spi_master_get_devdata(spi->master);
- if (!spi->bits_per_word)
- spi->bits_per_word = 8;
rspi->max_speed_hz = spi->max_speed_hz;
+ rspi->spcmd = SPCMD_SSLKP;
+ if (spi->mode & SPI_CPOL)
+ rspi->spcmd |= SPCMD_CPOL;
+ if (spi->mode & SPI_CPHA)
+ rspi->spcmd |= SPCMD_CPHA;
+
set_config_register(rspi, 8);
return 0;
@@ -802,10 +837,10 @@ static void rspi_cleanup(struct spi_device *spi)
static irqreturn_t rspi_irq(int irq, void *_sr)
{
- struct rspi_data *rspi = (struct rspi_data *)_sr;
- unsigned long spsr;
+ struct rspi_data *rspi = _sr;
+ u8 spsr;
irqreturn_t ret = IRQ_NONE;
- unsigned char disable_irq = 0;
+ u8 disable_irq = 0;
rspi->spsr = spsr = rspi_read8(rspi, RSPI_SPSR);
if (spsr & SPSR_SPRF)
@@ -825,7 +860,7 @@ static irqreturn_t rspi_irq(int irq, void *_sr)
static int rspi_request_dma(struct rspi_data *rspi,
struct platform_device *pdev)
{
- struct rspi_plat_data *rspi_pd = dev_get_platdata(&pdev->dev);
+ const struct rspi_plat_data *rspi_pd = dev_get_platdata(&pdev->dev);
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dma_cap_mask_t mask;
struct dma_slave_config cfg;
@@ -885,14 +920,10 @@ static void rspi_release_dma(struct rspi_data *rspi)
static int rspi_remove(struct platform_device *pdev)
{
- struct rspi_data *rspi = spi_master_get(platform_get_drvdata(pdev));
+ struct rspi_data *rspi = platform_get_drvdata(pdev);
- spi_unregister_master(rspi->master);
rspi_release_dma(rspi);
- free_irq(platform_get_irq(pdev, 0), rspi);
- clk_put(rspi->clk);
- iounmap(rspi->addr);
- spi_master_put(rspi->master);
+ clk_disable(rspi->clk);
return 0;
}
@@ -904,7 +935,7 @@ static int rspi_probe(struct platform_device *pdev)
struct rspi_data *rspi;
int ret, irq;
char clk_name[16];
- struct rspi_plat_data *rspi_pd = pdev->dev.platform_data;
+ const struct rspi_plat_data *rspi_pd = dev_get_platdata(&pdev->dev);
const struct spi_ops *ops;
const struct platform_device_id *id_entry = pdev->id_entry;
@@ -914,12 +945,6 @@ static int rspi_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "there is no set_config_register\n");
return -ENODEV;
}
- /* get base addr */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (unlikely(res == NULL)) {
- dev_err(&pdev->dev, "invalid resource\n");
- return -EINVAL;
- }
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -937,19 +962,20 @@ static int rspi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rspi);
rspi->ops = ops;
rspi->master = master;
- rspi->addr = ioremap(res->start, resource_size(res));
- if (rspi->addr == NULL) {
- dev_err(&pdev->dev, "ioremap error.\n");
- ret = -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ rspi->addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(rspi->addr)) {
+ ret = PTR_ERR(rspi->addr);
goto error1;
}
snprintf(clk_name, sizeof(clk_name), "%s%d", id_entry->name, pdev->id);
- rspi->clk = clk_get(&pdev->dev, clk_name);
+ rspi->clk = devm_clk_get(&pdev->dev, clk_name);
if (IS_ERR(rspi->clk)) {
dev_err(&pdev->dev, "cannot get clock\n");
ret = PTR_ERR(rspi->clk);
- goto error2;
+ goto error1;
}
clk_enable(rspi->clk);
@@ -958,45 +984,45 @@ static int rspi_probe(struct platform_device *pdev)
INIT_WORK(&rspi->ws, rspi_work);
init_waitqueue_head(&rspi->wait);
- master->num_chipselect = rspi_pd->num_chipselect;
- if (!master->num_chipselect)
+ if (rspi_pd && rspi_pd->num_chipselect)
+ master->num_chipselect = rspi_pd->num_chipselect;
+ else
master->num_chipselect = 2; /* default */
master->bus_num = pdev->id;
master->setup = rspi_setup;
master->transfer = rspi_transfer;
master->cleanup = rspi_cleanup;
+ master->mode_bits = SPI_CPHA | SPI_CPOL;
- ret = request_irq(irq, rspi_irq, 0, dev_name(&pdev->dev), rspi);
+ ret = devm_request_irq(&pdev->dev, irq, rspi_irq, 0,
+ dev_name(&pdev->dev), rspi);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq error\n");
- goto error3;
+ goto error2;
}
rspi->irq = irq;
ret = rspi_request_dma(rspi, pdev);
if (ret < 0) {
dev_err(&pdev->dev, "rspi_request_dma failed.\n");
- goto error4;
+ goto error3;
}
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(&pdev->dev, master);
if (ret < 0) {
dev_err(&pdev->dev, "spi_register_master error.\n");
- goto error4;
+ goto error3;
}
dev_info(&pdev->dev, "probed\n");
return 0;
-error4:
- rspi_release_dma(rspi);
- free_irq(irq, rspi);
error3:
- clk_put(rspi->clk);
+ rspi_release_dma(rspi);
error2:
- iounmap(rspi->addr);
+ clk_disable(rspi->clk);
error1:
spi_master_put(master);
diff --git a/drivers/spi/spi-s3c24xx.c b/drivers/spi/spi-s3c24xx.c
index 0dc32a11bd3c..746424aa5353 100644
--- a/drivers/spi/spi-s3c24xx.c
+++ b/drivers/spi/spi-s3c24xx.c
@@ -29,7 +29,6 @@
#include <plat/regs-spi.h>
-#include <plat/fiq.h>
#include <asm/fiq.h>
#include "spi-s3c24xx-fiq.h"
@@ -78,14 +77,12 @@ struct s3c24xx_spi {
unsigned char *rx;
struct clk *clk;
- struct resource *ioarea;
struct spi_master *master;
struct spi_device *curdev;
struct device *dev;
struct s3c2410_spi_info *pdata;
};
-
#define SPCON_DEFAULT (S3C2410_SPCON_MSTR | S3C2410_SPCON_SMOD_INT)
#define SPPIN_DEFAULT (S3C2410_SPPIN_KEEP)
@@ -517,8 +514,7 @@ static int s3c24xx_spi_probe(struct platform_device *pdev)
master = spi_alloc_master(&pdev->dev, sizeof(struct s3c24xx_spi));
if (master == NULL) {
dev_err(&pdev->dev, "No memory for spi_master\n");
- err = -ENOMEM;
- goto err_nomem;
+ return -ENOMEM;
}
hw = spi_master_get_devdata(master);
@@ -562,48 +558,32 @@ static int s3c24xx_spi_probe(struct platform_device *pdev)
dev_dbg(hw->dev, "bitbang at %p\n", &hw->bitbang);
/* find and map our resources */
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "Cannot get IORESOURCE_MEM\n");
- err = -ENOENT;
- goto err_no_iores;
- }
-
- hw->ioarea = request_mem_region(res->start, resource_size(res),
- pdev->name);
-
- if (hw->ioarea == NULL) {
- dev_err(&pdev->dev, "Cannot reserve region\n");
- err = -ENXIO;
- goto err_no_iores;
- }
-
- hw->regs = ioremap(res->start, resource_size(res));
- if (hw->regs == NULL) {
- dev_err(&pdev->dev, "Cannot map IO\n");
- err = -ENXIO;
- goto err_no_iomap;
+ hw->regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(hw->regs)) {
+ err = PTR_ERR(hw->regs);
+ goto err_no_pdata;
}
hw->irq = platform_get_irq(pdev, 0);
if (hw->irq < 0) {
dev_err(&pdev->dev, "No IRQ specified\n");
err = -ENOENT;
- goto err_no_irq;
+ goto err_no_pdata;
}
- err = request_irq(hw->irq, s3c24xx_spi_irq, 0, pdev->name, hw);
+ err = devm_request_irq(&pdev->dev, hw->irq, s3c24xx_spi_irq, 0,
+ pdev->name, hw);
if (err) {
dev_err(&pdev->dev, "Cannot claim IRQ\n");
- goto err_no_irq;
+ goto err_no_pdata;
}
- hw->clk = clk_get(&pdev->dev, "spi");
+ hw->clk = devm_clk_get(&pdev->dev, "spi");
if (IS_ERR(hw->clk)) {
dev_err(&pdev->dev, "No clock for device\n");
err = PTR_ERR(hw->clk);
- goto err_no_clk;
+ goto err_no_pdata;
}
/* setup any gpio we can */
@@ -615,7 +595,8 @@ static int s3c24xx_spi_probe(struct platform_device *pdev)
goto err_register;
}
- err = gpio_request(pdata->pin_cs, dev_name(&pdev->dev));
+ err = devm_gpio_request(&pdev->dev, pdata->pin_cs,
+ dev_name(&pdev->dev));
if (err) {
dev_err(&pdev->dev, "Failed to get gpio for cs\n");
goto err_register;
@@ -639,27 +620,10 @@ static int s3c24xx_spi_probe(struct platform_device *pdev)
return 0;
err_register:
- if (hw->set_cs == s3c24xx_spi_gpiocs)
- gpio_free(pdata->pin_cs);
-
clk_disable(hw->clk);
- clk_put(hw->clk);
-
- err_no_clk:
- free_irq(hw->irq, hw);
- err_no_irq:
- iounmap(hw->regs);
-
- err_no_iomap:
- release_resource(hw->ioarea);
- kfree(hw->ioarea);
-
- err_no_iores:
err_no_pdata:
spi_master_put(hw->master);
-
- err_nomem:
return err;
}
@@ -668,19 +632,7 @@ static int s3c24xx_spi_remove(struct platform_device *dev)
struct s3c24xx_spi *hw = platform_get_drvdata(dev);
spi_bitbang_stop(&hw->bitbang);
-
clk_disable(hw->clk);
- clk_put(hw->clk);
-
- free_irq(hw->irq, hw);
- iounmap(hw->regs);
-
- if (hw->set_cs == s3c24xx_spi_gpiocs)
- gpio_free(hw->pdata->pin_cs);
-
- release_resource(hw->ioarea);
- kfree(hw->ioarea);
-
spi_master_put(hw->master);
return 0;
}
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 4c4b0a1219a7..ae907dde1371 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -890,7 +890,7 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
unsigned long flags;
int use_dma;
- reinit_completion(&sdd->xfer_completion);
+ reinit_completion(&sdd->xfer_completion);
/* Only BPW and Speed may change across transfers */
bpw = xfer->bits_per_word;
@@ -927,9 +927,6 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
/* Start the signals */
writel(0, sdd->regs + S3C64XX_SPI_SLAVE_SEL);
- /* Start the signals */
- writel(0, sdd->regs + S3C64XX_SPI_SLAVE_SEL);
-
spin_unlock_irqrestore(&sdd->lock, flags);
status = wait_for_xfer(sdd, xfer, use_dma);
diff --git a/drivers/spi/spi-sc18is602.c b/drivers/spi/spi-sc18is602.c
index c981d215b65b..121c2e1dea36 100644
--- a/drivers/spi/spi-sc18is602.c
+++ b/drivers/spi/spi-sc18is602.c
@@ -247,9 +247,6 @@ error:
static int sc18is602_setup(struct spi_device *spi)
{
- if (!spi->bits_per_word)
- spi->bits_per_word = 8;
-
if (spi->mode & ~(SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST))
return -EINVAL;
diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
index 292567ab4c6c..82d2f922ffa0 100644
--- a/drivers/spi/spi-sh-hspi.c
+++ b/drivers/spi/spi-sh-hspi.c
@@ -197,7 +197,7 @@ static int hspi_transfer_one_message(struct spi_master *master,
hspi_write(hspi, SPTBR, tx);
- /* wait recive */
+ /* wait receive */
ret = hspi_status_check_timeout(hspi, 0x4, 0x4);
if (ret < 0)
break;
@@ -353,4 +353,4 @@ module_platform_driver(hspi_driver);
MODULE_DESCRIPTION("SuperH HSPI bus driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
-MODULE_ALIAS("platform:sh_spi");
+MODULE_ALIAS("platform:sh-hspi");
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index c74298cf70e2..81cc02f5f9b0 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -152,7 +152,7 @@ static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p,
size_t k;
if (!WARN_ON(!spi_hz || !parent_rate))
- div = parent_rate / spi_hz;
+ div = DIV_ROUND_UP(parent_rate, spi_hz);
/* TODO: make more fine grained */
@@ -169,7 +169,7 @@ static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p,
static void sh_msiof_spi_set_pin_regs(struct sh_msiof_spi_priv *p,
u32 cpol, u32 cpha,
- u32 tx_hi_z, u32 lsb_first)
+ u32 tx_hi_z, u32 lsb_first, u32 cs_high)
{
u32 tmp;
int edge;
@@ -182,8 +182,12 @@ static void sh_msiof_spi_set_pin_regs(struct sh_msiof_spi_priv *p,
* 1 1 11 11 1 1
*/
sh_msiof_write(p, FCTR, 0);
- sh_msiof_write(p, TMDR1, 0xe2000005 | (lsb_first << 24));
- sh_msiof_write(p, RMDR1, 0x22000005 | (lsb_first << 24));
+
+ tmp = 0;
+ tmp |= !cs_high << 25;
+ tmp |= lsb_first << 24;
+ sh_msiof_write(p, TMDR1, 0xe0000005 | tmp);
+ sh_msiof_write(p, RMDR1, 0x20000005 | tmp);
tmp = 0xa0000000;
tmp |= cpol << 30; /* TSCKIZ */
@@ -417,11 +421,12 @@ static void sh_msiof_spi_chipselect(struct spi_device *spi, int is_on)
sh_msiof_spi_set_pin_regs(p, !!(spi->mode & SPI_CPOL),
!!(spi->mode & SPI_CPHA),
!!(spi->mode & SPI_3WIRE),
- !!(spi->mode & SPI_LSB_FIRST));
+ !!(spi->mode & SPI_LSB_FIRST),
+ !!(spi->mode & SPI_CS_HIGH));
}
/* use spi->controller data for CS (same strategy as spi_gpio) */
- gpio_set_value((unsigned)spi->controller_data, value);
+ gpio_set_value((uintptr_t)spi->controller_data, value);
if (is_on == BITBANG_CS_INACTIVE) {
if (test_and_clear_bit(0, &p->flags)) {
@@ -635,8 +640,7 @@ static int sh_msiof_spi_probe(struct platform_device *pdev)
master = spi_alloc_master(&pdev->dev, sizeof(struct sh_msiof_spi_priv));
if (master == NULL) {
dev_err(&pdev->dev, "failed to allocate spi master\n");
- ret = -ENOMEM;
- goto err0;
+ return -ENOMEM;
}
p = spi_master_get_devdata(master);
@@ -655,32 +659,38 @@ static int sh_msiof_spi_probe(struct platform_device *pdev)
init_completion(&p->done);
- p->clk = clk_get(&pdev->dev, NULL);
+ p->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(p->clk)) {
dev_err(&pdev->dev, "cannot get clock\n");
ret = PTR_ERR(p->clk);
goto err1;
}
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
i = platform_get_irq(pdev, 0);
- if (!r || i < 0) {
- dev_err(&pdev->dev, "cannot get platform resources\n");
+ if (i < 0) {
+ dev_err(&pdev->dev, "cannot get platform IRQ\n");
ret = -ENOENT;
- goto err2;
+ goto err1;
}
- p->mapbase = ioremap_nocache(r->start, resource_size(r));
- if (!p->mapbase) {
- dev_err(&pdev->dev, "unable to ioremap\n");
- ret = -ENXIO;
- goto err2;
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ p->mapbase = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(p->mapbase)) {
+ ret = PTR_ERR(p->mapbase);
+ goto err1;
}
- ret = request_irq(i, sh_msiof_spi_irq, 0,
- dev_name(&pdev->dev), p);
+ ret = devm_request_irq(&pdev->dev, i, sh_msiof_spi_irq, 0,
+ dev_name(&pdev->dev), p);
if (ret) {
dev_err(&pdev->dev, "unable to request irq\n");
- goto err3;
+ goto err1;
+ }
+
+ ret = clk_prepare(p->clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "unable to prepare clock\n");
+ goto err1;
}
p->pdev = pdev;
@@ -719,13 +729,9 @@ static int sh_msiof_spi_probe(struct platform_device *pdev)
return 0;
pm_runtime_disable(&pdev->dev);
- err3:
- iounmap(p->mapbase);
- err2:
- clk_put(p->clk);
+ clk_unprepare(p->clk);
err1:
spi_master_put(master);
- err0:
return ret;
}
@@ -737,9 +743,7 @@ static int sh_msiof_spi_remove(struct platform_device *pdev)
ret = spi_bitbang_stop(&p->bitbang);
if (!ret) {
pm_runtime_disable(&pdev->dev);
- free_irq(platform_get_irq(pdev, 0), p);
- iounmap(p->mapbase);
- clk_put(p->clk);
+ clk_unprepare(p->clk);
spi_master_put(p->bitbang.master);
}
return ret;
diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c
index c120a70094f2..f6f2c7010177 100644
--- a/drivers/spi/spi-sh.c
+++ b/drivers/spi/spi-sh.c
@@ -171,7 +171,6 @@ static int spi_sh_send(struct spi_sh_data *ss, struct spi_message *mesg,
int remain = t->len;
int cur_len;
unsigned char *data;
- unsigned long tmp;
long ret;
if (t->len)
@@ -213,9 +212,7 @@ static int spi_sh_send(struct spi_sh_data *ss, struct spi_message *mesg,
}
if (list_is_last(&t->transfer_list, &mesg->transfers)) {
- tmp = spi_sh_read(ss, SPI_SH_CR1);
- tmp = tmp & ~(SPI_SH_SSD | SPI_SH_SSDB);
- spi_sh_write(ss, tmp, SPI_SH_CR1);
+ spi_sh_clear_bit(ss, SPI_SH_SSD | SPI_SH_SSDB, SPI_SH_CR1);
spi_sh_set_bit(ss, SPI_SH_SSA, SPI_SH_CR1);
ss->cr1 &= ~SPI_SH_TBE;
@@ -239,7 +236,6 @@ static int spi_sh_receive(struct spi_sh_data *ss, struct spi_message *mesg,
int remain = t->len;
int cur_len;
unsigned char *data;
- unsigned long tmp;
long ret;
if (t->len > SPI_SH_MAX_BYTE)
@@ -247,9 +243,7 @@ static int spi_sh_receive(struct spi_sh_data *ss, struct spi_message *mesg,
else
spi_sh_write(ss, t->len, SPI_SH_CR3);
- tmp = spi_sh_read(ss, SPI_SH_CR1);
- tmp = tmp & ~(SPI_SH_SSD | SPI_SH_SSDB);
- spi_sh_write(ss, tmp, SPI_SH_CR1);
+ spi_sh_clear_bit(ss, SPI_SH_SSD | SPI_SH_SSDB, SPI_SH_CR1);
spi_sh_set_bit(ss, SPI_SH_SSA, SPI_SH_CR1);
spi_sh_wait_write_buffer_empty(ss);
@@ -358,9 +352,6 @@ static int spi_sh_setup(struct spi_device *spi)
{
struct spi_sh_data *ss = spi_master_get_devdata(spi->master);
- if (!spi->bits_per_word)
- spi->bits_per_word = 8;
-
pr_debug("%s: enter\n", __func__);
spi_sh_write(ss, 0xfe, SPI_SH_CR1); /* SPI sycle stop */
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index ed5e501c4652..e430689c3837 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -536,16 +536,9 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
static int spi_sirfsoc_setup(struct spi_device *spi)
{
- struct sirfsoc_spi *sspi;
-
if (!spi->max_speed_hz)
return -EINVAL;
- sspi = spi_master_get_devdata(spi->master);
-
- if (!spi->bits_per_word)
- spi->bits_per_word = 8;
-
return spi_sirfsoc_setup_transfer(spi, NULL);
}
diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index aaecfb3ebf58..47b93cc4bd19 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -54,11 +54,8 @@
#define SPI_CS_SS_VAL (1 << 20)
#define SPI_CS_SW_HW (1 << 21)
/* SPI_CS_POL_INACTIVE bits are default high */
-#define SPI_CS_POL_INACTIVE 22
-#define SPI_CS_POL_INACTIVE_0 (1 << 22)
-#define SPI_CS_POL_INACTIVE_1 (1 << 23)
-#define SPI_CS_POL_INACTIVE_2 (1 << 24)
-#define SPI_CS_POL_INACTIVE_3 (1 << 25)
+ /* n from 0 to 3 */
+#define SPI_CS_POL_INACTIVE(n) (1 << (22 + (n)))
#define SPI_CS_POL_INACTIVE_MASK (0xF << 22)
#define SPI_CS_SEL_0 (0 << 26)
@@ -165,9 +162,6 @@
#define MAX_HOLD_CYCLES 16
#define SPI_DEFAULT_SPEED 25000000
-#define MAX_CHIP_SELECT 4
-#define SPI_FIFO_DEPTH 64
-
struct tegra_spi_data {
struct device *dev;
struct spi_master *master;
@@ -184,7 +178,6 @@ struct tegra_spi_data {
struct spi_device *cur_spi;
struct spi_device *cs_control;
unsigned cur_pos;
- unsigned cur_len;
unsigned words_per_32bit;
unsigned bytes_per_word;
unsigned curr_dma_words;
@@ -204,12 +197,10 @@ struct tegra_spi_data {
u32 rx_status;
u32 status_reg;
bool is_packed;
- unsigned long packed_size;
u32 command1_reg;
u32 dma_control_reg;
u32 def_command1_reg;
- u32 spi_cs_timing;
struct completion xfer_completion;
struct spi_transfer *curr_xfer;
@@ -227,14 +218,14 @@ struct tegra_spi_data {
static int tegra_spi_runtime_suspend(struct device *dev);
static int tegra_spi_runtime_resume(struct device *dev);
-static inline unsigned long tegra_spi_readl(struct tegra_spi_data *tspi,
+static inline u32 tegra_spi_readl(struct tegra_spi_data *tspi,
unsigned long reg)
{
return readl(tspi->base + reg);
}
static inline void tegra_spi_writel(struct tegra_spi_data *tspi,
- unsigned long val, unsigned long reg)
+ u32 val, unsigned long reg)
{
writel(val, tspi->base + reg);
@@ -245,7 +236,7 @@ static inline void tegra_spi_writel(struct tegra_spi_data *tspi,
static void tegra_spi_clear_status(struct tegra_spi_data *tspi)
{
- unsigned long val;
+ u32 val;
/* Write 1 to clear status register */
val = tegra_spi_readl(tspi, SPI_TRANS_STATUS);
@@ -296,10 +287,9 @@ static unsigned tegra_spi_fill_tx_fifo_from_client_txbuf(
{
unsigned nbytes;
unsigned tx_empty_count;
- unsigned long fifo_status;
+ u32 fifo_status;
unsigned max_n_32bit;
unsigned i, count;
- unsigned long x;
unsigned int written_words;
unsigned fifo_words_left;
u8 *tx_buf = (u8 *)t->tx_buf + tspi->cur_tx_pos;
@@ -313,9 +303,9 @@ static unsigned tegra_spi_fill_tx_fifo_from_client_txbuf(
nbytes = written_words * tspi->bytes_per_word;
max_n_32bit = DIV_ROUND_UP(nbytes, 4);
for (count = 0; count < max_n_32bit; count++) {
- x = 0;
+ u32 x = 0;
for (i = 0; (i < 4) && nbytes; i++, nbytes--)
- x |= (*tx_buf++) << (i*8);
+ x |= (u32)(*tx_buf++) << (i * 8);
tegra_spi_writel(tspi, x, SPI_TX_FIFO);
}
} else {
@@ -323,10 +313,10 @@ static unsigned tegra_spi_fill_tx_fifo_from_client_txbuf(
written_words = max_n_32bit;
nbytes = written_words * tspi->bytes_per_word;
for (count = 0; count < max_n_32bit; count++) {
- x = 0;
+ u32 x = 0;
for (i = 0; nbytes && (i < tspi->bytes_per_word);
i++, nbytes--)
- x |= ((*tx_buf++) << i*8);
+ x |= (u32)(*tx_buf++) << (i * 8);
tegra_spi_writel(tspi, x, SPI_TX_FIFO);
}
}
@@ -338,9 +328,8 @@ static unsigned int tegra_spi_read_rx_fifo_to_client_rxbuf(
struct tegra_spi_data *tspi, struct spi_transfer *t)
{
unsigned rx_full_count;
- unsigned long fifo_status;
+ u32 fifo_status;
unsigned i, count;
- unsigned long x;
unsigned int read_words = 0;
unsigned len;
u8 *rx_buf = (u8 *)t->rx_buf + tspi->cur_rx_pos;
@@ -350,20 +339,16 @@ static unsigned int tegra_spi_read_rx_fifo_to_client_rxbuf(
if (tspi->is_packed) {
len = tspi->curr_dma_words * tspi->bytes_per_word;
for (count = 0; count < rx_full_count; count++) {
- x = tegra_spi_readl(tspi, SPI_RX_FIFO);
+ u32 x = tegra_spi_readl(tspi, SPI_RX_FIFO);
for (i = 0; len && (i < 4); i++, len--)
*rx_buf++ = (x >> i*8) & 0xFF;
}
tspi->cur_rx_pos += tspi->curr_dma_words * tspi->bytes_per_word;
read_words += tspi->curr_dma_words;
} else {
- unsigned int rx_mask;
- unsigned int bits_per_word = t->bits_per_word;
-
- rx_mask = (1 << bits_per_word) - 1;
+ u32 rx_mask = ((u32)1 << t->bits_per_word) - 1;
for (count = 0; count < rx_full_count; count++) {
- x = tegra_spi_readl(tspi, SPI_RX_FIFO);
- x &= rx_mask;
+ u32 x = tegra_spi_readl(tspi, SPI_RX_FIFO) & rx_mask;
for (i = 0; (i < tspi->bytes_per_word); i++)
*rx_buf++ = (x >> (i*8)) & 0xFF;
}
@@ -376,27 +361,24 @@ static unsigned int tegra_spi_read_rx_fifo_to_client_rxbuf(
static void tegra_spi_copy_client_txbuf_to_spi_txbuf(
struct tegra_spi_data *tspi, struct spi_transfer *t)
{
- unsigned len;
-
/* Make the dma buffer to read by cpu */
dma_sync_single_for_cpu(tspi->dev, tspi->tx_dma_phys,
tspi->dma_buf_size, DMA_TO_DEVICE);
if (tspi->is_packed) {
- len = tspi->curr_dma_words * tspi->bytes_per_word;
+ unsigned len = tspi->curr_dma_words * tspi->bytes_per_word;
memcpy(tspi->tx_dma_buf, t->tx_buf + tspi->cur_pos, len);
} else {
unsigned int i;
unsigned int count;
u8 *tx_buf = (u8 *)t->tx_buf + tspi->cur_tx_pos;
unsigned consume = tspi->curr_dma_words * tspi->bytes_per_word;
- unsigned int x;
for (count = 0; count < tspi->curr_dma_words; count++) {
- x = 0;
+ u32 x = 0;
for (i = 0; consume && (i < tspi->bytes_per_word);
i++, consume--)
- x |= ((*tx_buf++) << i * 8);
+ x |= (u32)(*tx_buf++) << (i * 8);
tspi->tx_dma_buf[count] = x;
}
}
@@ -410,27 +392,21 @@ static void tegra_spi_copy_client_txbuf_to_spi_txbuf(
static void tegra_spi_copy_spi_rxbuf_to_client_rxbuf(
struct tegra_spi_data *tspi, struct spi_transfer *t)
{
- unsigned len;
-
/* Make the dma buffer to read by cpu */
dma_sync_single_for_cpu(tspi->dev, tspi->rx_dma_phys,
tspi->dma_buf_size, DMA_FROM_DEVICE);
if (tspi->is_packed) {
- len = tspi->curr_dma_words * tspi->bytes_per_word;
+ unsigned len = tspi->curr_dma_words * tspi->bytes_per_word;
memcpy(t->rx_buf + tspi->cur_rx_pos, tspi->rx_dma_buf, len);
} else {
unsigned int i;
unsigned int count;
unsigned char *rx_buf = t->rx_buf + tspi->cur_rx_pos;
- unsigned int x;
- unsigned int rx_mask;
- unsigned int bits_per_word = t->bits_per_word;
+ u32 rx_mask = ((u32)1 << t->bits_per_word) - 1;
- rx_mask = (1 << bits_per_word) - 1;
for (count = 0; count < tspi->curr_dma_words; count++) {
- x = tspi->rx_dma_buf[count];
- x &= rx_mask;
+ u32 x = tspi->rx_dma_buf[count] & rx_mask;
for (i = 0; (i < tspi->bytes_per_word); i++)
*rx_buf++ = (x >> (i*8)) & 0xFF;
}
@@ -490,16 +466,16 @@ static int tegra_spi_start_rx_dma(struct tegra_spi_data *tspi, int len)
static int tegra_spi_start_dma_based_transfer(
struct tegra_spi_data *tspi, struct spi_transfer *t)
{
- unsigned long val;
+ u32 val;
unsigned int len;
int ret = 0;
- unsigned long status;
+ u32 status;
/* Make sure that Rx and Tx fifo are empty */
status = tegra_spi_readl(tspi, SPI_FIFO_STATUS);
if ((status & SPI_FIFO_EMPTY) != SPI_FIFO_EMPTY) {
- dev_err(tspi->dev,
- "Rx/Tx fifo are not empty status 0x%08lx\n", status);
+ dev_err(tspi->dev, "Rx/Tx fifo are not empty status 0x%08x\n",
+ (unsigned)status);
return -EIO;
}
@@ -564,7 +540,7 @@ static int tegra_spi_start_dma_based_transfer(
static int tegra_spi_start_cpu_based_transfer(
struct tegra_spi_data *tspi, struct spi_transfer *t)
{
- unsigned long val;
+ u32 val;
unsigned cur_words;
if (tspi->cur_direction & DATA_DIR_TX)
@@ -677,13 +653,13 @@ static void tegra_spi_deinit_dma_param(struct tegra_spi_data *tspi,
dma_release_channel(dma_chan);
}
-static unsigned long tegra_spi_setup_transfer_one(struct spi_device *spi,
+static u32 tegra_spi_setup_transfer_one(struct spi_device *spi,
struct spi_transfer *t, bool is_first_of_msg)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
u32 speed = t->speed_hz;
u8 bits_per_word = t->bits_per_word;
- unsigned long command1;
+ u32 command1;
int req_mode;
if (speed != tspi->cur_speed) {
@@ -738,7 +714,7 @@ static unsigned long tegra_spi_setup_transfer_one(struct spi_device *spi,
}
static int tegra_spi_start_transfer_one(struct spi_device *spi,
- struct spi_transfer *t, unsigned long command1)
+ struct spi_transfer *t, u32 command1)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
unsigned total_fifo_words;
@@ -763,8 +739,8 @@ static int tegra_spi_start_transfer_one(struct spi_device *spi,
tegra_spi_writel(tspi, command1, SPI_COMMAND1);
tspi->command1_reg = command1;
- dev_dbg(tspi->dev, "The def 0x%x and written 0x%lx\n",
- tspi->def_command1_reg, command1);
+ dev_dbg(tspi->dev, "The def 0x%x and written 0x%x\n",
+ tspi->def_command1_reg, (unsigned)command1);
if (total_fifo_words > SPI_FIFO_DEPTH)
ret = tegra_spi_start_dma_based_transfer(tspi, t);
@@ -776,15 +752,9 @@ static int tegra_spi_start_transfer_one(struct spi_device *spi,
static int tegra_spi_setup(struct spi_device *spi)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
- unsigned long val;
+ u32 val;
unsigned long flags;
int ret;
- unsigned int cs_pol_bit[MAX_CHIP_SELECT] = {
- SPI_CS_POL_INACTIVE_0,
- SPI_CS_POL_INACTIVE_1,
- SPI_CS_POL_INACTIVE_2,
- SPI_CS_POL_INACTIVE_3,
- };
dev_dbg(&spi->dev, "setup %d bpw, %scpol, %scpha, %dHz\n",
spi->bits_per_word,
@@ -806,9 +776,9 @@ static int tegra_spi_setup(struct spi_device *spi)
spin_lock_irqsave(&tspi->lock, flags);
val = tspi->def_command1_reg;
if (spi->mode & SPI_CS_HIGH)
- val &= ~cs_pol_bit[spi->chip_select];
+ val &= ~SPI_CS_POL_INACTIVE(spi->chip_select);
else
- val |= cs_pol_bit[spi->chip_select];
+ val |= SPI_CS_POL_INACTIVE(spi->chip_select);
tspi->def_command1_reg = val;
tegra_spi_writel(tspi, tspi->def_command1_reg, SPI_COMMAND1);
spin_unlock_irqrestore(&tspi->lock, flags);
@@ -842,7 +812,7 @@ static int tegra_spi_transfer_one_message(struct spi_master *master,
msg->actual_length = 0;
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
- unsigned long cmd1;
+ u32 cmd1;
reinit_completion(&tspi->xfer_completion);
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 4dc8e8129459..af78c17388d2 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -148,14 +148,14 @@ struct tegra_sflash_data {
static int tegra_sflash_runtime_suspend(struct device *dev);
static int tegra_sflash_runtime_resume(struct device *dev);
-static inline unsigned long tegra_sflash_readl(struct tegra_sflash_data *tsd,
+static inline u32 tegra_sflash_readl(struct tegra_sflash_data *tsd,
unsigned long reg)
{
return readl(tsd->base + reg);
}
static inline void tegra_sflash_writel(struct tegra_sflash_data *tsd,
- unsigned long val, unsigned long reg)
+ u32 val, unsigned long reg)
{
writel(val, tsd->base + reg);
}
@@ -185,7 +185,7 @@ static unsigned tegra_sflash_fill_tx_fifo_from_client_txbuf(
struct tegra_sflash_data *tsd, struct spi_transfer *t)
{
unsigned nbytes;
- unsigned long status;
+ u32 status;
unsigned max_n_32bit = tsd->curr_xfer_words;
u8 *tx_buf = (u8 *)t->tx_buf + tsd->cur_tx_pos;
@@ -196,11 +196,11 @@ static unsigned tegra_sflash_fill_tx_fifo_from_client_txbuf(
status = tegra_sflash_readl(tsd, SPI_STATUS);
while (!(status & SPI_TXF_FULL)) {
int i;
- unsigned int x = 0;
+ u32 x = 0;
for (i = 0; nbytes && (i < tsd->bytes_per_word);
i++, nbytes--)
- x |= ((*tx_buf++) << i*8);
+ x |= (u32)(*tx_buf++) << (i * 8);
tegra_sflash_writel(tsd, x, SPI_TX_FIFO);
if (!nbytes)
break;
@@ -214,16 +214,14 @@ static unsigned tegra_sflash_fill_tx_fifo_from_client_txbuf(
static int tegra_sflash_read_rx_fifo_to_client_rxbuf(
struct tegra_sflash_data *tsd, struct spi_transfer *t)
{
- unsigned long status;
+ u32 status;
unsigned int read_words = 0;
u8 *rx_buf = (u8 *)t->rx_buf + tsd->cur_rx_pos;
status = tegra_sflash_readl(tsd, SPI_STATUS);
while (!(status & SPI_RXF_EMPTY)) {
int i;
- unsigned long x;
-
- x = tegra_sflash_readl(tsd, SPI_RX_FIFO);
+ u32 x = tegra_sflash_readl(tsd, SPI_RX_FIFO);
for (i = 0; (i < tsd->bytes_per_word); i++)
*rx_buf++ = (x >> (i*8)) & 0xFF;
read_words++;
@@ -236,7 +234,7 @@ static int tegra_sflash_read_rx_fifo_to_client_rxbuf(
static int tegra_sflash_start_cpu_based_transfer(
struct tegra_sflash_data *tsd, struct spi_transfer *t)
{
- unsigned long val = 0;
+ u32 val = 0;
unsigned cur_words;
if (tsd->cur_direction & DATA_DIR_TX)
@@ -266,7 +264,7 @@ static int tegra_sflash_start_transfer_one(struct spi_device *spi,
{
struct tegra_sflash_data *tsd = spi_master_get_devdata(spi->master);
u32 speed;
- unsigned long command;
+ u32 command;
speed = t->speed_hz;
if (speed != tsd->cur_speed) {
@@ -313,7 +311,7 @@ static int tegra_sflash_start_transfer_one(struct spi_device *spi,
tegra_sflash_writel(tsd, command, SPI_COMMAND);
tsd->command_reg = command;
- return tegra_sflash_start_cpu_based_transfer(tsd, t);
+ return tegra_sflash_start_cpu_based_transfer(tsd, t);
}
static int tegra_sflash_setup(struct spi_device *spi)
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index e66715ba37ed..3ce1de8872f0 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -196,7 +196,7 @@ struct tegra_slink_data {
u32 rx_status;
u32 status_reg;
bool is_packed;
- unsigned long packed_size;
+ u32 packed_size;
u32 command_reg;
u32 command2_reg;
@@ -220,14 +220,14 @@ struct tegra_slink_data {
static int tegra_slink_runtime_suspend(struct device *dev);
static int tegra_slink_runtime_resume(struct device *dev);
-static inline unsigned long tegra_slink_readl(struct tegra_slink_data *tspi,
+static inline u32 tegra_slink_readl(struct tegra_slink_data *tspi,
unsigned long reg)
{
return readl(tspi->base + reg);
}
static inline void tegra_slink_writel(struct tegra_slink_data *tspi,
- unsigned long val, unsigned long reg)
+ u32 val, unsigned long reg)
{
writel(val, tspi->base + reg);
@@ -238,38 +238,30 @@ static inline void tegra_slink_writel(struct tegra_slink_data *tspi,
static void tegra_slink_clear_status(struct tegra_slink_data *tspi)
{
- unsigned long val;
- unsigned long val_write = 0;
+ u32 val_write;
- val = tegra_slink_readl(tspi, SLINK_STATUS);
+ tegra_slink_readl(tspi, SLINK_STATUS);
/* Write 1 to clear status register */
val_write = SLINK_RDY | SLINK_FIFO_ERROR;
tegra_slink_writel(tspi, val_write, SLINK_STATUS);
}
-static unsigned long tegra_slink_get_packed_size(struct tegra_slink_data *tspi,
+static u32 tegra_slink_get_packed_size(struct tegra_slink_data *tspi,
struct spi_transfer *t)
{
- unsigned long val;
-
switch (tspi->bytes_per_word) {
case 0:
- val = SLINK_PACK_SIZE_4;
- break;
+ return SLINK_PACK_SIZE_4;
case 1:
- val = SLINK_PACK_SIZE_8;
- break;
+ return SLINK_PACK_SIZE_8;
case 2:
- val = SLINK_PACK_SIZE_16;
- break;
+ return SLINK_PACK_SIZE_16;
case 4:
- val = SLINK_PACK_SIZE_32;
- break;
+ return SLINK_PACK_SIZE_32;
default:
- val = 0;
+ return 0;
}
- return val;
}
static unsigned tegra_slink_calculate_curr_xfer_param(
@@ -312,10 +304,9 @@ static unsigned tegra_slink_fill_tx_fifo_from_client_txbuf(
{
unsigned nbytes;
unsigned tx_empty_count;
- unsigned long fifo_status;
+ u32 fifo_status;
unsigned max_n_32bit;
unsigned i, count;
- unsigned long x;
unsigned int written_words;
unsigned fifo_words_left;
u8 *tx_buf = (u8 *)t->tx_buf + tspi->cur_tx_pos;
@@ -329,9 +320,9 @@ static unsigned tegra_slink_fill_tx_fifo_from_client_txbuf(
nbytes = written_words * tspi->bytes_per_word;
max_n_32bit = DIV_ROUND_UP(nbytes, 4);
for (count = 0; count < max_n_32bit; count++) {
- x = 0;
+ u32 x = 0;
for (i = 0; (i < 4) && nbytes; i++, nbytes--)
- x |= (*tx_buf++) << (i*8);
+ x |= (u32)(*tx_buf++) << (i * 8);
tegra_slink_writel(tspi, x, SLINK_TX_FIFO);
}
} else {
@@ -339,10 +330,10 @@ static unsigned tegra_slink_fill_tx_fifo_from_client_txbuf(
written_words = max_n_32bit;
nbytes = written_words * tspi->bytes_per_word;
for (count = 0; count < max_n_32bit; count++) {
- x = 0;
+ u32 x = 0;
for (i = 0; nbytes && (i < tspi->bytes_per_word);
i++, nbytes--)
- x |= ((*tx_buf++) << i*8);
+ x |= (u32)(*tx_buf++) << (i * 8);
tegra_slink_writel(tspi, x, SLINK_TX_FIFO);
}
}
@@ -354,9 +345,8 @@ static unsigned int tegra_slink_read_rx_fifo_to_client_rxbuf(
struct tegra_slink_data *tspi, struct spi_transfer *t)
{
unsigned rx_full_count;
- unsigned long fifo_status;
+ u32 fifo_status;
unsigned i, count;
- unsigned long x;
unsigned int read_words = 0;
unsigned len;
u8 *rx_buf = (u8 *)t->rx_buf + tspi->cur_rx_pos;
@@ -366,7 +356,7 @@ static unsigned int tegra_slink_read_rx_fifo_to_client_rxbuf(
if (tspi->is_packed) {
len = tspi->curr_dma_words * tspi->bytes_per_word;
for (count = 0; count < rx_full_count; count++) {
- x = tegra_slink_readl(tspi, SLINK_RX_FIFO);
+ u32 x = tegra_slink_readl(tspi, SLINK_RX_FIFO);
for (i = 0; len && (i < 4); i++, len--)
*rx_buf++ = (x >> i*8) & 0xFF;
}
@@ -374,7 +364,7 @@ static unsigned int tegra_slink_read_rx_fifo_to_client_rxbuf(
read_words += tspi->curr_dma_words;
} else {
for (count = 0; count < rx_full_count; count++) {
- x = tegra_slink_readl(tspi, SLINK_RX_FIFO);
+ u32 x = tegra_slink_readl(tspi, SLINK_RX_FIFO);
for (i = 0; (i < tspi->bytes_per_word); i++)
*rx_buf++ = (x >> (i*8)) & 0xFF;
}
@@ -387,27 +377,24 @@ static unsigned int tegra_slink_read_rx_fifo_to_client_rxbuf(
static void tegra_slink_copy_client_txbuf_to_spi_txbuf(
struct tegra_slink_data *tspi, struct spi_transfer *t)
{
- unsigned len;
-
/* Make the dma buffer to read by cpu */
dma_sync_single_for_cpu(tspi->dev, tspi->tx_dma_phys,
tspi->dma_buf_size, DMA_TO_DEVICE);
if (tspi->is_packed) {
- len = tspi->curr_dma_words * tspi->bytes_per_word;
+ unsigned len = tspi->curr_dma_words * tspi->bytes_per_word;
memcpy(tspi->tx_dma_buf, t->tx_buf + tspi->cur_pos, len);
} else {
unsigned int i;
unsigned int count;
u8 *tx_buf = (u8 *)t->tx_buf + tspi->cur_tx_pos;
unsigned consume = tspi->curr_dma_words * tspi->bytes_per_word;
- unsigned int x;
for (count = 0; count < tspi->curr_dma_words; count++) {
- x = 0;
+ u32 x = 0;
for (i = 0; consume && (i < tspi->bytes_per_word);
i++, consume--)
- x |= ((*tx_buf++) << i * 8);
+ x |= (u32)(*tx_buf++) << (i * 8);
tspi->tx_dma_buf[count] = x;
}
}
@@ -434,14 +421,10 @@ static void tegra_slink_copy_spi_rxbuf_to_client_rxbuf(
unsigned int i;
unsigned int count;
unsigned char *rx_buf = t->rx_buf + tspi->cur_rx_pos;
- unsigned int x;
- unsigned int rx_mask, bits_per_word;
+ u32 rx_mask = ((u32)1 << t->bits_per_word) - 1;
- bits_per_word = t->bits_per_word;
- rx_mask = (1 << bits_per_word) - 1;
for (count = 0; count < tspi->curr_dma_words; count++) {
- x = tspi->rx_dma_buf[count];
- x &= rx_mask;
+ u32 x = tspi->rx_dma_buf[count] & rx_mask;
for (i = 0; (i < tspi->bytes_per_word); i++)
*rx_buf++ = (x >> (i*8)) & 0xFF;
}
@@ -501,17 +484,16 @@ static int tegra_slink_start_rx_dma(struct tegra_slink_data *tspi, int len)
static int tegra_slink_start_dma_based_transfer(
struct tegra_slink_data *tspi, struct spi_transfer *t)
{
- unsigned long val;
- unsigned long test_val;
+ u32 val;
unsigned int len;
int ret = 0;
- unsigned long status;
+ u32 status;
/* Make sure that Rx and Tx fifo are empty */
status = tegra_slink_readl(tspi, SLINK_STATUS);
if ((status & SLINK_FIFO_EMPTY) != SLINK_FIFO_EMPTY) {
- dev_err(tspi->dev,
- "Rx/Tx fifo are not empty status 0x%08lx\n", status);
+ dev_err(tspi->dev, "Rx/Tx fifo are not empty status 0x%08x\n",
+ (unsigned)status);
return -EIO;
}
@@ -551,9 +533,9 @@ static int tegra_slink_start_dma_based_transfer(
}
/* Wait for tx fifo to be fill before starting slink */
- test_val = tegra_slink_readl(tspi, SLINK_STATUS);
- while (!(test_val & SLINK_TX_FULL))
- test_val = tegra_slink_readl(tspi, SLINK_STATUS);
+ status = tegra_slink_readl(tspi, SLINK_STATUS);
+ while (!(status & SLINK_TX_FULL))
+ status = tegra_slink_readl(tspi, SLINK_STATUS);
}
if (tspi->cur_direction & DATA_DIR_RX) {
@@ -587,7 +569,7 @@ static int tegra_slink_start_dma_based_transfer(
static int tegra_slink_start_cpu_based_transfer(
struct tegra_slink_data *tspi, struct spi_transfer *t)
{
- unsigned long val;
+ u32 val;
unsigned cur_words;
val = tspi->packed_size;
@@ -714,8 +696,8 @@ static int tegra_slink_start_transfer_one(struct spi_device *spi,
u8 bits_per_word;
unsigned total_fifo_words;
int ret;
- unsigned long command;
- unsigned long command2;
+ u32 command;
+ u32 command2;
bits_per_word = t->bits_per_word;
speed = t->speed_hz;
@@ -762,17 +744,18 @@ static int tegra_slink_start_transfer_one(struct spi_device *spi,
static int tegra_slink_setup(struct spi_device *spi)
{
- struct tegra_slink_data *tspi = spi_master_get_devdata(spi->master);
- unsigned long val;
- unsigned long flags;
- int ret;
- unsigned int cs_pol_bit[MAX_CHIP_SELECT] = {
+ static const u32 cs_pol_bit[MAX_CHIP_SELECT] = {
SLINK_CS_POLARITY,
SLINK_CS_POLARITY1,
SLINK_CS_POLARITY2,
SLINK_CS_POLARITY3,
};
+ struct tegra_slink_data *tspi = spi_master_get_devdata(spi->master);
+ u32 val;
+ unsigned long flags;
+ int ret;
+
dev_dbg(&spi->dev, "setup %d bpw, %scpol, %scpha, %dHz\n",
spi->bits_per_word,
spi->mode & SPI_CPOL ? "" : "~",
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 0b71270fbf67..3d09265b5133 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -46,6 +46,8 @@ struct ti_qspi {
struct spi_master *master;
void __iomem *base;
+ void __iomem *ctrl_base;
+ void __iomem *mmap_base;
struct clk *fclk;
struct device *dev;
@@ -54,6 +56,8 @@ struct ti_qspi {
u32 spi_max_frequency;
u32 cmd;
u32 dc;
+
+ bool ctrl_mod;
};
#define QSPI_PID (0x0)
@@ -161,7 +165,7 @@ static int ti_qspi_setup(struct spi_device *spi)
qspi->spi_max_frequency, clk_div);
ret = pm_runtime_get_sync(qspi->dev);
- if (ret) {
+ if (ret < 0) {
dev_err(qspi->dev, "pm_runtime_get_sync() failed\n");
return ret;
}
@@ -204,53 +208,36 @@ static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t)
txbuf = t->tx_buf;
cmd = qspi->cmd | QSPI_WR_SNGL;
count = t->len;
- wlen = t->bits_per_word;
+ wlen = t->bits_per_word >> 3; /* in bytes */
while (count) {
switch (wlen) {
- case 8:
+ case 1:
dev_dbg(qspi->dev, "tx cmd %08x dc %08x data %02x\n",
cmd, qspi->dc, *txbuf);
writeb(*txbuf, qspi->base + QSPI_SPI_DATA_REG);
- ti_qspi_write(qspi, cmd, QSPI_SPI_CMD_REG);
- ret = wait_for_completion_timeout(&qspi->transfer_complete,
- QSPI_COMPLETION_TIMEOUT);
- if (ret == 0) {
- dev_err(qspi->dev, "write timed out\n");
- return -ETIMEDOUT;
- }
- txbuf += 1;
- count -= 1;
break;
- case 16:
+ case 2:
dev_dbg(qspi->dev, "tx cmd %08x dc %08x data %04x\n",
cmd, qspi->dc, *txbuf);
writew(*((u16 *)txbuf), qspi->base + QSPI_SPI_DATA_REG);
- ti_qspi_write(qspi, cmd, QSPI_SPI_CMD_REG);
- ret = wait_for_completion_timeout(&qspi->transfer_complete,
- QSPI_COMPLETION_TIMEOUT);
- if (ret == 0) {
- dev_err(qspi->dev, "write timed out\n");
- return -ETIMEDOUT;
- }
- txbuf += 2;
- count -= 2;
break;
- case 32:
+ case 4:
dev_dbg(qspi->dev, "tx cmd %08x dc %08x data %08x\n",
cmd, qspi->dc, *txbuf);
writel(*((u32 *)txbuf), qspi->base + QSPI_SPI_DATA_REG);
- ti_qspi_write(qspi, cmd, QSPI_SPI_CMD_REG);
- ret = wait_for_completion_timeout(&qspi->transfer_complete,
- QSPI_COMPLETION_TIMEOUT);
- if (ret == 0) {
- dev_err(qspi->dev, "write timed out\n");
- return -ETIMEDOUT;
- }
- txbuf += 4;
- count -= 4;
break;
}
+
+ ti_qspi_write(qspi, cmd, QSPI_SPI_CMD_REG);
+ ret = wait_for_completion_timeout(&qspi->transfer_complete,
+ QSPI_COMPLETION_TIMEOUT);
+ if (ret == 0) {
+ dev_err(qspi->dev, "write timed out\n");
+ return -ETIMEDOUT;
+ }
+ txbuf += wlen;
+ count -= wlen;
}
return 0;
@@ -276,7 +263,7 @@ static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t)
break;
}
count = t->len;
- wlen = t->bits_per_word;
+ wlen = t->bits_per_word >> 3; /* in bytes */
while (count) {
dev_dbg(qspi->dev, "rx cmd %08x dc %08x\n", cmd, qspi->dc);
@@ -288,22 +275,18 @@ static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t)
return -ETIMEDOUT;
}
switch (wlen) {
- case 8:
+ case 1:
*rxbuf = readb(qspi->base + QSPI_SPI_DATA_REG);
- rxbuf += 1;
- count -= 1;
break;
- case 16:
+ case 2:
*((u16 *)rxbuf) = readw(qspi->base + QSPI_SPI_DATA_REG);
- rxbuf += 2;
- count -= 2;
break;
- case 32:
+ case 4:
*((u32 *)rxbuf) = readl(qspi->base + QSPI_SPI_DATA_REG);
- rxbuf += 4;
- count -= 4;
break;
}
+ rxbuf += wlen;
+ count -= wlen;
}
return 0;
@@ -417,10 +400,8 @@ out:
static int ti_qspi_runtime_resume(struct device *dev)
{
struct ti_qspi *qspi;
- struct spi_master *master;
- master = dev_get_drvdata(dev);
- qspi = spi_master_get_devdata(master);
+ qspi = dev_get_drvdata(dev);
ti_qspi_restore_ctx(qspi);
return 0;
@@ -437,7 +418,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
{
struct ti_qspi *qspi;
struct spi_master *master;
- struct resource *r;
+ struct resource *r, *res_ctrl, *res_mmap;
struct device_node *np = pdev->dev.of_node;
u32 max_freq;
int ret = 0, num_cs, irq;
@@ -459,13 +440,40 @@ static int ti_qspi_probe(struct platform_device *pdev)
if (!of_property_read_u32(np, "num-cs", &num_cs))
master->num_chipselect = num_cs;
- platform_set_drvdata(pdev, master);
-
qspi = spi_master_get_devdata(master);
qspi->master = master;
qspi->dev = &pdev->dev;
+ platform_set_drvdata(pdev, qspi);
+
+ r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qspi_base");
+ if (r == NULL) {
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (r == NULL) {
+ dev_err(&pdev->dev, "missing platform data\n");
+ return -ENODEV;
+ }
+ }
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ res_mmap = platform_get_resource_byname(pdev,
+ IORESOURCE_MEM, "qspi_mmap");
+ if (res_mmap == NULL) {
+ res_mmap = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (res_mmap == NULL) {
+ dev_err(&pdev->dev,
+ "memory mapped resource not required\n");
+ return -ENODEV;
+ }
+ }
+
+ res_ctrl = platform_get_resource_byname(pdev,
+ IORESOURCE_MEM, "qspi_ctrlmod");
+ if (res_ctrl == NULL) {
+ res_ctrl = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+ if (res_ctrl == NULL) {
+ dev_dbg(&pdev->dev,
+ "control module resources not required\n");
+ }
+ }
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -481,6 +489,23 @@ static int ti_qspi_probe(struct platform_device *pdev)
goto free_master;
}
+ if (res_ctrl) {
+ qspi->ctrl_mod = true;
+ qspi->ctrl_base = devm_ioremap_resource(&pdev->dev, res_ctrl);
+ if (IS_ERR(qspi->ctrl_base)) {
+ ret = PTR_ERR(qspi->ctrl_base);
+ goto free_master;
+ }
+ }
+
+ if (res_mmap) {
+ qspi->mmap_base = devm_ioremap_resource(&pdev->dev, res_mmap);
+ if (IS_ERR(qspi->mmap_base)) {
+ ret = PTR_ERR(qspi->mmap_base);
+ goto free_master;
+ }
+ }
+
ret = devm_request_irq(&pdev->dev, irq, ti_qspi_isr, 0,
dev_name(&pdev->dev), qspi);
if (ret < 0) {
@@ -517,10 +542,20 @@ free_master:
static int ti_qspi_remove(struct platform_device *pdev)
{
- struct ti_qspi *qspi = platform_get_drvdata(pdev);
+ struct ti_qspi *qspi = platform_get_drvdata(pdev);
+ int ret;
+
+ ret = pm_runtime_get_sync(qspi->dev);
+ if (ret < 0) {
+ dev_err(qspi->dev, "pm_runtime_get_sync() failed\n");
+ return ret;
+ }
ti_qspi_write(qspi, QSPI_WC_INT_DISABLE, QSPI_INTR_ENABLE_CLEAR_REG);
+ pm_runtime_put(qspi->dev);
+ pm_runtime_disable(&pdev->dev);
+
return 0;
}
@@ -532,7 +567,7 @@ static struct platform_driver ti_qspi_driver = {
.probe = ti_qspi_probe,
.remove = ti_qspi_remove,
.driver = {
- .name = "ti,dra7xxx-qspi",
+ .name = "ti-qspi",
.owner = THIS_MODULE,
.pm = &ti_qspi_pm_ops,
.of_match_table = ti_qspi_match,
@@ -544,3 +579,4 @@ module_platform_driver(ti_qspi_driver);
MODULE_AUTHOR("Sourav Poddar <sourav.poddar@ti.com>");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("TI QSPI controller driver");
+MODULE_ALIAS("platform:ti-qspi");
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 446131308acb..2e7f38c7a961 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -217,7 +217,7 @@ struct pch_pd_dev_save {
struct pch_spi_board_data *board_dat;
};
-static DEFINE_PCI_DEVICE_TABLE(pch_spi_pcidev_id) = {
+static const struct pci_device_id pch_spi_pcidev_id[] = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_GE_SPI), 1, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_SPI), 2, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_SPI), 1, },
@@ -466,12 +466,6 @@ static void pch_spi_reset(struct spi_master *master)
static int pch_spi_setup(struct spi_device *pspi)
{
- /* check bits per word */
- if (pspi->bits_per_word == 0) {
- pspi->bits_per_word = 8;
- dev_dbg(&pspi->dev, "%s 8 bits per word\n", __func__);
- }
-
/* Check baud rate setting */
/* if baud rate of chip is greater than
max we can support,return error */
diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index 637cce2b8bdd..6191ced514b2 100644
--- a/drivers/spi/spi-txx9.c
+++ b/drivers/spi/spi-txx9.c
@@ -348,7 +348,7 @@ static int txx9spi_probe(struct platform_device *dev)
INIT_LIST_HEAD(&c->queue);
init_waitqueue_head(&c->waitq);
- c->clk = clk_get(&dev->dev, "spi-baseclk");
+ c->clk = devm_clk_get(&dev->dev, "spi-baseclk");
if (IS_ERR(c->clk)) {
ret = PTR_ERR(c->clk);
c->clk = NULL;
@@ -356,7 +356,6 @@ static int txx9spi_probe(struct platform_device *dev)
}
ret = clk_enable(c->clk);
if (ret) {
- clk_put(c->clk);
c->clk = NULL;
goto exit;
}
@@ -415,22 +414,19 @@ exit_busy:
exit:
if (c->workqueue)
destroy_workqueue(c->workqueue);
- if (c->clk) {
+ if (c->clk)
clk_disable(c->clk);
- clk_put(c->clk);
- }
spi_master_put(master);
return ret;
}
static int txx9spi_remove(struct platform_device *dev)
{
- struct spi_master *master = spi_master_get(platform_get_drvdata(dev));
+ struct spi_master *master = platform_get_drvdata(dev);
struct txx9spi *c = spi_master_get_devdata(master);
destroy_workqueue(c->workqueue);
clk_disable(c->clk);
- clk_put(c->clk);
return 0;
}
diff --git a/drivers/spi/spi-xcomm.c b/drivers/spi/spi-xcomm.c
index 4258c712ad3c..24c40b13dab1 100644
--- a/drivers/spi/spi-xcomm.c
+++ b/drivers/spi/spi-xcomm.c
@@ -231,22 +231,13 @@ static int spi_xcomm_probe(struct i2c_client *i2c,
master->dev.of_node = i2c->dev.of_node;
i2c_set_clientdata(i2c, master);
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(&i2c->dev, master);
if (ret < 0)
spi_master_put(master);
return ret;
}
-static int spi_xcomm_remove(struct i2c_client *i2c)
-{
- struct spi_master *master = i2c_get_clientdata(i2c);
-
- spi_unregister_master(master);
-
- return 0;
-}
-
static const struct i2c_device_id spi_xcomm_ids[] = {
{ "spi-xcomm" },
{ },
@@ -259,7 +250,6 @@ static struct i2c_driver spi_xcomm_driver = {
},
.id_table = spi_xcomm_ids,
.probe = spi_xcomm_probe,
- .remove = spi_xcomm_remove,
};
module_i2c_driver(spi_xcomm_driver);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 18cc625d887f..63613a96233c 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -370,6 +370,17 @@ static void spi_dev_set_name(struct spi_device *spi)
spi->chip_select);
}
+static int spi_dev_check(struct device *dev, void *data)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ struct spi_device *new_spi = data;
+
+ if (spi->master == new_spi->master &&
+ spi->chip_select == new_spi->chip_select)
+ return -EBUSY;
+ return 0;
+}
+
/**
* spi_add_device - Add spi_device allocated with spi_alloc_device
* @spi: spi_device to register
@@ -384,7 +395,6 @@ int spi_add_device(struct spi_device *spi)
static DEFINE_MUTEX(spi_add_lock);
struct spi_master *master = spi->master;
struct device *dev = master->dev.parent;
- struct device *d;
int status;
/* Chipselects are numbered 0..max; validate. */
@@ -404,12 +414,10 @@ int spi_add_device(struct spi_device *spi)
*/
mutex_lock(&spi_add_lock);
- d = bus_find_device_by_name(&spi_bus_type, NULL, dev_name(&spi->dev));
- if (d != NULL) {
+ status = bus_for_each_dev(&spi_bus_type, NULL, spi, spi_dev_check);
+ if (status) {
dev_err(dev, "chipselect %d already in use\n",
spi->chip_select);
- put_device(d);
- status = -EBUSY;
goto done;
}
@@ -591,8 +599,10 @@ static int spi_transfer_one_message(struct spi_master *master,
goto out;
}
- if (ret > 0)
+ if (ret > 0) {
+ ret = 0;
wait_for_completion(&master->xfer_completion);
+ }
trace_spi_transfer_stop(msg, xfer);
@@ -632,7 +642,7 @@ out:
*
* Called by SPI drivers using the core transfer_one_message()
* implementation to notify it that the current interrupt driven
- * transfer has finised and the next one may be scheduled.
+ * transfer has finished and the next one may be scheduled.
*/
void spi_finalize_current_transfer(struct spi_master *master)
{
@@ -685,7 +695,7 @@ static void spi_pump_messages(struct kthread_work *work)
}
/* Extract head of queue */
master->cur_msg =
- list_entry(master->queue.next, struct spi_message, queue);
+ list_first_entry(&master->queue, struct spi_message, queue);
list_del_init(&master->cur_msg->queue);
if (master->busy)
@@ -735,7 +745,9 @@ static void spi_pump_messages(struct kthread_work *work)
ret = master->transfer_one_message(master, master->cur_msg);
if (ret) {
dev_err(&master->dev,
- "failed to transfer one message from queue\n");
+ "failed to transfer one message from queue: %d\n", ret);
+ master->cur_msg->status = ret;
+ spi_finalize_current_message(master);
return;
}
}
@@ -791,11 +803,8 @@ struct spi_message *spi_get_next_queued_message(struct spi_master *master)
/* get a pointer to the next message, if any */
spin_lock_irqsave(&master->queue_lock, flags);
- if (list_empty(&master->queue))
- next = NULL;
- else
- next = list_entry(master->queue.next,
- struct spi_message, queue);
+ next = list_first_entry_or_null(&master->queue, struct spi_message,
+ queue);
spin_unlock_irqrestore(&master->queue_lock, flags);
return next;
@@ -1415,7 +1424,7 @@ int devm_spi_register_master(struct device *dev, struct spi_master *master)
return -ENOMEM;
ret = spi_register_master(master);
- if (ret != 0) {
+ if (!ret) {
*ptr = master;
devres_add(dev, ptr);
} else {
@@ -1596,15 +1605,11 @@ int spi_setup(struct spi_device *spi)
}
EXPORT_SYMBOL_GPL(spi_setup);
-static int __spi_async(struct spi_device *spi, struct spi_message *message)
+static int __spi_validate(struct spi_device *spi, struct spi_message *message)
{
struct spi_master *master = spi->master;
struct spi_transfer *xfer;
- message->spi = spi;
-
- trace_spi_message_submit(message);
-
if (list_empty(&message->transfers))
return -EINVAL;
if (!message->complete)
@@ -1667,9 +1672,8 @@ static int __spi_async(struct spi_device *spi, struct spi_message *message)
if (xfer->rx_buf && !xfer->rx_nbits)
xfer->rx_nbits = SPI_NBITS_SINGLE;
/* check transfer tx/rx_nbits:
- * 1. keep the value is not out of single, dual and quad
- * 2. keep tx/rx_nbits is contained by mode in spi_device
- * 3. if SPI_3WIRE, tx/rx_nbits should be in single
+ * 1. check the value matches one of single, dual and quad
+ * 2. check tx/rx_nbits match the mode in spi_device
*/
if (xfer->tx_buf) {
if (xfer->tx_nbits != SPI_NBITS_SINGLE &&
@@ -1682,9 +1686,6 @@ static int __spi_async(struct spi_device *spi, struct spi_message *message)
if ((xfer->tx_nbits == SPI_NBITS_QUAD) &&
!(spi->mode & SPI_TX_QUAD))
return -EINVAL;
- if ((spi->mode & SPI_3WIRE) &&
- (xfer->tx_nbits != SPI_NBITS_SINGLE))
- return -EINVAL;
}
/* check transfer rx_nbits */
if (xfer->rx_buf) {
@@ -1698,13 +1699,22 @@ static int __spi_async(struct spi_device *spi, struct spi_message *message)
if ((xfer->rx_nbits == SPI_NBITS_QUAD) &&
!(spi->mode & SPI_RX_QUAD))
return -EINVAL;
- if ((spi->mode & SPI_3WIRE) &&
- (xfer->rx_nbits != SPI_NBITS_SINGLE))
- return -EINVAL;
}
}
message->status = -EINPROGRESS;
+
+ return 0;
+}
+
+static int __spi_async(struct spi_device *spi, struct spi_message *message)
+{
+ struct spi_master *master = spi->master;
+
+ message->spi = spi;
+
+ trace_spi_message_submit(message);
+
return master->transfer(spi, message);
}
@@ -1743,6 +1753,10 @@ int spi_async(struct spi_device *spi, struct spi_message *message)
int ret;
unsigned long flags;
+ ret = __spi_validate(spi, message);
+ if (ret != 0)
+ return ret;
+
spin_lock_irqsave(&master->bus_lock_spinlock, flags);
if (master->bus_lock_flag)
@@ -1791,6 +1805,10 @@ int spi_async_locked(struct spi_device *spi, struct spi_message *message)
int ret;
unsigned long flags;
+ ret = __spi_validate(spi, message);
+ if (ret != 0)
+ return ret;
+
spin_lock_irqsave(&master->bus_lock_spinlock, flags);
ret = __spi_async(spi, message);
diff --git a/drivers/staging/bcm/Bcmnet.c b/drivers/staging/bcm/Bcmnet.c
index 53fee2f9a498..8dfdd2732bdc 100644
--- a/drivers/staging/bcm/Bcmnet.c
+++ b/drivers/staging/bcm/Bcmnet.c
@@ -39,7 +39,8 @@ static INT bcm_close(struct net_device *dev)
return 0;
}
-static u16 bcm_select_queue(struct net_device *dev, struct sk_buff *skb)
+static u16 bcm_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
return ClassifyPacket(netdev_priv(dev), skb);
}
diff --git a/drivers/staging/btmtk_usb/btmtk_usb.c b/drivers/staging/btmtk_usb/btmtk_usb.c
index 7a9bf3b57810..9a5ebd6cc512 100644
--- a/drivers/staging/btmtk_usb/btmtk_usb.c
+++ b/drivers/staging/btmtk_usb/btmtk_usb.c
@@ -1284,9 +1284,8 @@ done:
kfree_skb(skb);
}
-static int btmtk_usb_send_frame(struct sk_buff *skb)
+static int btmtk_usb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
- struct hci_dev *hdev = (struct hci_dev *)skb->dev;
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
struct usb_ctrlrequest *dr;
struct urb *urb;
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 8f02bf66e20b..4964d2a2fc7d 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -446,7 +446,7 @@ int comedi_load_firmware(struct comedi_device *dev,
release_firmware(fw);
}
- return ret;
+ return ret < 0 ? ret : 0;
}
EXPORT_SYMBOL_GPL(comedi_load_firmware);
diff --git a/drivers/staging/comedi/drivers/8255_pci.c b/drivers/staging/comedi/drivers/8255_pci.c
index 432e3f9c3301..c55f234b29e6 100644
--- a/drivers/staging/comedi/drivers/8255_pci.c
+++ b/drivers/staging/comedi/drivers/8255_pci.c
@@ -63,7 +63,8 @@ enum pci_8255_boardid {
BOARD_ADLINK_PCI7296,
BOARD_CB_PCIDIO24,
BOARD_CB_PCIDIO24H,
- BOARD_CB_PCIDIO48H,
+ BOARD_CB_PCIDIO48H_OLD,
+ BOARD_CB_PCIDIO48H_NEW,
BOARD_CB_PCIDIO96H,
BOARD_NI_PCIDIO96,
BOARD_NI_PCIDIO96B,
@@ -106,11 +107,16 @@ static const struct pci_8255_boardinfo pci_8255_boards[] = {
.dio_badr = 2,
.n_8255 = 1,
},
- [BOARD_CB_PCIDIO48H] = {
+ [BOARD_CB_PCIDIO48H_OLD] = {
.name = "cb_pci-dio48h",
.dio_badr = 1,
.n_8255 = 2,
},
+ [BOARD_CB_PCIDIO48H_NEW] = {
+ .name = "cb_pci-dio48h",
+ .dio_badr = 2,
+ .n_8255 = 2,
+ },
[BOARD_CB_PCIDIO96H] = {
.name = "cb_pci-dio96h",
.dio_badr = 2,
@@ -263,7 +269,10 @@ static DEFINE_PCI_DEVICE_TABLE(pci_8255_pci_table) = {
{ PCI_VDEVICE(ADLINK, 0x7296), BOARD_ADLINK_PCI7296 },
{ PCI_VDEVICE(CB, 0x0028), BOARD_CB_PCIDIO24 },
{ PCI_VDEVICE(CB, 0x0014), BOARD_CB_PCIDIO24H },
- { PCI_VDEVICE(CB, 0x000b), BOARD_CB_PCIDIO48H },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_CB, 0x000b, 0x0000, 0x0000),
+ .driver_data = BOARD_CB_PCIDIO48H_OLD },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_CB, 0x000b, PCI_VENDOR_ID_CB, 0x000b),
+ .driver_data = BOARD_CB_PCIDIO48H_NEW },
{ PCI_VDEVICE(CB, 0x0017), BOARD_CB_PCIDIO96H },
{ PCI_VDEVICE(NI, 0x0160), BOARD_NI_PCIDIO96 },
{ PCI_VDEVICE(NI, 0x1630), BOARD_NI_PCIDIO96B },
diff --git a/drivers/staging/comedi/drivers/pcl730.c b/drivers/staging/comedi/drivers/pcl730.c
index d041b714db29..2baaf1db6fbf 100644
--- a/drivers/staging/comedi/drivers/pcl730.c
+++ b/drivers/staging/comedi/drivers/pcl730.c
@@ -173,11 +173,11 @@ static int pcl730_do_insn_bits(struct comedi_device *dev,
if (mask) {
if (mask & 0x00ff)
outb(s->state & 0xff, dev->iobase + reg);
- if ((mask & 0xff00) & (s->n_chan > 8))
+ if ((mask & 0xff00) && (s->n_chan > 8))
outb((s->state >> 8) & 0xff, dev->iobase + reg + 1);
- if ((mask & 0xff0000) & (s->n_chan > 16))
+ if ((mask & 0xff0000) && (s->n_chan > 16))
outb((s->state >> 16) & 0xff, dev->iobase + reg + 2);
- if ((mask & 0xff000000) & (s->n_chan > 24))
+ if ((mask & 0xff000000) && (s->n_chan > 24))
outb((s->state >> 24) & 0xff, dev->iobase + reg + 3);
}
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index 6815cfe2664e..b486099b543d 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -494,7 +494,7 @@ static void s626_send_dac(struct comedi_device *dev, uint32_t val)
* Private helper function: Write setpoint to an application DAC channel.
*/
static void s626_set_dac(struct comedi_device *dev, uint16_t chan,
- unsigned short dacdata)
+ int16_t dacdata)
{
struct s626_private *devpriv = dev->private;
uint16_t signmask;
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index 933b01a0f03d..0adf3cffddb0 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -465,7 +465,7 @@ static int vmk80xx_do_insn_bits(struct comedi_device *dev,
unsigned char *rx_buf = devpriv->usb_rx_buf;
unsigned char *tx_buf = devpriv->usb_tx_buf;
int reg, cmd;
- int ret;
+ int ret = 0;
if (devpriv->model == VMK8061_MODEL) {
reg = VMK8061_DO_REG;
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_download.c b/drivers/staging/ft1000/ft1000-usb/ft1000_download.c
index 68ded17c0f5c..12f333fa59b5 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_download.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_download.c
@@ -578,7 +578,7 @@ static int request_code_segment(struct ft1000_usb *ft1000dev, u16 **s_file,
u8 **c_file, const u8 *endpoint, bool boot_case)
{
long word_length;
- int status;
+ int status = 0;
/*DEBUG("FT1000:REQUEST_CODE_SEGMENT\n");i*/
word_length = get_request_value(ft1000dev);
@@ -1074,4 +1074,3 @@ int scram_dnldr(struct ft1000_usb *ft1000dev, void *pFileStart,
return status;
}
-
diff --git a/drivers/staging/iio/magnetometer/Kconfig b/drivers/staging/iio/magnetometer/Kconfig
index a3ea69e9d800..34634da1f9f7 100644
--- a/drivers/staging/iio/magnetometer/Kconfig
+++ b/drivers/staging/iio/magnetometer/Kconfig
@@ -6,6 +6,8 @@ menu "Magnetometer sensors"
config SENSORS_HMC5843
tristate "Honeywell HMC5843/5883/5883L 3-Axis Magnetometer"
depends on I2C
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say Y here to add support for the Honeywell HMC5843, HMC5883 and
HMC5883L 3-Axis Magnetometer (digital compass).
diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
index 99421f90d189..0485d7f39867 100644
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -451,7 +451,12 @@ done:
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \
BIT(IIO_CHAN_INFO_SAMP_FREQ), \
.scan_index = idx, \
- .scan_type = IIO_ST('s', 16, 16, IIO_BE), \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_BE, \
+ }, \
}
static const struct iio_chan_spec hmc5843_channels[] = {
diff --git a/drivers/staging/imx-drm/Makefile b/drivers/staging/imx-drm/Makefile
index 2c3a9e178fb5..8742432d7b01 100644
--- a/drivers/staging/imx-drm/Makefile
+++ b/drivers/staging/imx-drm/Makefile
@@ -8,4 +8,6 @@ obj-$(CONFIG_DRM_IMX_TVE) += imx-tve.o
obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o
obj-$(CONFIG_DRM_IMX_FB_HELPER) += imx-fbdev.o
obj-$(CONFIG_DRM_IMX_IPUV3_CORE) += ipu-v3/
-obj-$(CONFIG_DRM_IMX_IPUV3) += ipuv3-crtc.o ipuv3-plane.o
+
+imx-ipuv3-crtc-objs := ipuv3-crtc.o ipuv3-plane.o
+obj-$(CONFIG_DRM_IMX_IPUV3) += imx-ipuv3-crtc.o
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 51aa9772f959..96e4eee344ef 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -72,6 +72,7 @@ int imx_drm_crtc_id(struct imx_drm_crtc *crtc)
{
return crtc->pipe;
}
+EXPORT_SYMBOL_GPL(imx_drm_crtc_id);
static void imx_drm_driver_lastclose(struct drm_device *drm)
{
@@ -87,8 +88,9 @@ static int imx_drm_driver_unload(struct drm_device *drm)
imx_drm_device_put();
- drm_mode_config_cleanup(imxdrm->drm);
+ drm_vblank_cleanup(imxdrm->drm);
drm_kms_helper_poll_fini(imxdrm->drm);
+ drm_mode_config_cleanup(imxdrm->drm);
return 0;
}
@@ -198,8 +200,8 @@ static void imx_drm_driver_preclose(struct drm_device *drm,
if (!file->is_master)
return;
- for (i = 0; i < 4; i++)
- imx_drm_disable_vblank(drm , i);
+ for (i = 0; i < MAX_CRTC; i++)
+ imx_drm_disable_vblank(drm, i);
}
static const struct file_operations imx_drm_driver_fops = {
@@ -375,8 +377,6 @@ static int imx_drm_crtc_register(struct imx_drm_crtc *imx_drm_crtc)
struct imx_drm_device *imxdrm = __imx_drm_device();
int ret;
- drm_crtc_init(imxdrm->drm, imx_drm_crtc->crtc,
- imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs);
ret = drm_mode_crtc_set_gamma_size(imx_drm_crtc->crtc, 256);
if (ret)
return ret;
@@ -384,6 +384,9 @@ static int imx_drm_crtc_register(struct imx_drm_crtc *imx_drm_crtc)
drm_crtc_helper_add(imx_drm_crtc->crtc,
imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs);
+ drm_crtc_init(imxdrm->drm, imx_drm_crtc->crtc,
+ imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs);
+
drm_mode_group_reinit(imxdrm->drm);
return 0;
@@ -427,11 +430,11 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
ret = drm_mode_group_init_legacy_group(imxdrm->drm,
&imxdrm->drm->primary->mode_group);
if (ret)
- goto err_init;
+ goto err_kms;
ret = drm_vblank_init(imxdrm->drm, MAX_CRTC);
if (ret)
- goto err_init;
+ goto err_kms;
/*
* with vblank_disable_allowed = true, vblank interrupt will be disabled
@@ -440,12 +443,19 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
*/
imxdrm->drm->vblank_disable_allowed = true;
- if (!imx_drm_device_get())
+ if (!imx_drm_device_get()) {
ret = -EINVAL;
+ goto err_vblank;
+ }
- ret = 0;
+ mutex_unlock(&imxdrm->mutex);
+ return 0;
-err_init:
+err_vblank:
+ drm_vblank_cleanup(drm);
+err_kms:
+ drm_kms_helper_poll_fini(drm);
+ drm_mode_config_cleanup(drm);
mutex_unlock(&imxdrm->mutex);
return ret;
@@ -491,6 +501,15 @@ int imx_drm_add_crtc(struct drm_crtc *crtc,
mutex_lock(&imxdrm->mutex);
+ /*
+ * The vblank arrays are dimensioned by MAX_CRTC - we can't
+ * pass IDs greater than this to those functions.
+ */
+ if (imxdrm->pipes >= MAX_CRTC) {
+ ret = -EINVAL;
+ goto err_busy;
+ }
+
if (imxdrm->drm->open_count) {
ret = -EBUSY;
goto err_busy;
@@ -527,6 +546,7 @@ int imx_drm_add_crtc(struct drm_crtc *crtc,
return 0;
err_register:
+ list_del(&imx_drm_crtc->list);
kfree(imx_drm_crtc);
err_alloc:
err_busy:
diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c
index 680f4c8fa081..2c44fef8d58b 100644
--- a/drivers/staging/imx-drm/imx-tve.c
+++ b/drivers/staging/imx-drm/imx-tve.c
@@ -114,7 +114,6 @@ struct imx_tve {
struct drm_encoder encoder;
struct imx_drm_encoder *imx_drm_encoder;
struct device *dev;
- spinlock_t enable_lock; /* serializes tve_enable/disable */
spinlock_t lock; /* register lock */
bool enabled;
int mode;
@@ -146,10 +145,8 @@ __releases(&tve->lock)
static void tve_enable(struct imx_tve *tve)
{
- unsigned long flags;
int ret;
- spin_lock_irqsave(&tve->enable_lock, flags);
if (!tve->enabled) {
tve->enabled = true;
clk_prepare_enable(tve->clk);
@@ -169,23 +166,18 @@ static void tve_enable(struct imx_tve *tve)
TVE_CD_SM_IEN |
TVE_CD_LM_IEN |
TVE_CD_MON_END_IEN);
-
- spin_unlock_irqrestore(&tve->enable_lock, flags);
}
static void tve_disable(struct imx_tve *tve)
{
- unsigned long flags;
int ret;
- spin_lock_irqsave(&tve->enable_lock, flags);
if (tve->enabled) {
tve->enabled = false;
ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
TVE_IPU_CLK_EN | TVE_EN, 0);
clk_disable_unprepare(tve->clk);
}
- spin_unlock_irqrestore(&tve->enable_lock, flags);
}
static int tve_setup_tvout(struct imx_tve *tve)
@@ -601,7 +593,6 @@ static int imx_tve_probe(struct platform_device *pdev)
tve->dev = &pdev->dev;
spin_lock_init(&tve->lock);
- spin_lock_init(&tve->enable_lock);
ddc_node = of_parse_phandle(np, "ddc", 0);
if (ddc_node) {
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
index 7a22ce619ed2..97ca6924dbb3 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
@@ -996,35 +996,35 @@ static const struct ipu_platform_reg client_reg[] = {
},
};
+static DEFINE_MUTEX(ipu_client_id_mutex);
static int ipu_client_id;
-static int ipu_add_subdevice_pdata(struct device *dev,
- const struct ipu_platform_reg *reg)
-{
- struct platform_device *pdev;
-
- pdev = platform_device_register_data(dev, reg->name, ipu_client_id++,
- &reg->pdata, sizeof(struct ipu_platform_reg));
-
- return PTR_ERR_OR_ZERO(pdev);
-}
-
static int ipu_add_client_devices(struct ipu_soc *ipu)
{
- int ret;
- int i;
+ struct device *dev = ipu->dev;
+ unsigned i;
+ int id, ret;
+
+ mutex_lock(&ipu_client_id_mutex);
+ id = ipu_client_id;
+ ipu_client_id += ARRAY_SIZE(client_reg);
+ mutex_unlock(&ipu_client_id_mutex);
for (i = 0; i < ARRAY_SIZE(client_reg); i++) {
const struct ipu_platform_reg *reg = &client_reg[i];
- ret = ipu_add_subdevice_pdata(ipu->dev, reg);
- if (ret)
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_data(dev, reg->name,
+ id++, &reg->pdata, sizeof(reg->pdata));
+
+ if (IS_ERR(pdev))
goto err_register;
}
return 0;
err_register:
- platform_device_unregister_children(to_platform_device(ipu->dev));
+ platform_device_unregister_children(to_platform_device(dev));
return ret;
}
diff --git a/drivers/staging/lustre/lustre/ptlrpc/pinger.c b/drivers/staging/lustre/lustre/ptlrpc/pinger.c
index 5dec771d70ee..4d340f4a2198 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/pinger.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/pinger.c
@@ -409,8 +409,8 @@ int ptlrpc_stop_pinger(void)
struct l_wait_info lwi = { 0 };
int rc = 0;
- if (!thread_is_init(&pinger_thread) &&
- !thread_is_stopped(&pinger_thread))
+ if (thread_is_init(&pinger_thread) ||
+ thread_is_stopped(&pinger_thread))
return -EALREADY;
ptlrpc_pinger_remove_timeouts();
diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c
index 58684da45e6c..b658c2316df3 100644
--- a/drivers/staging/media/go7007/go7007-usb.c
+++ b/drivers/staging/media/go7007/go7007-usb.c
@@ -15,6 +15,8 @@
* Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -661,7 +663,7 @@ static int go7007_usb_interface_reset(struct go7007 *go)
if (usb->board->flags & GO7007_USB_EZUSB) {
/* Reset buffer in EZ-USB */
- dev_dbg(go->dev, "resetting EZ-USB buffers\n");
+ pr_debug("resetting EZ-USB buffers\n");
if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
return -1;
@@ -689,7 +691,7 @@ static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
u16 status_reg = 0;
int timeout = 500;
- dev_dbg(go->dev, "WriteInterrupt: %04x %04x\n", addr, data);
+ pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
for (i = 0; i < 100; ++i) {
r = usb_control_msg(usb->usbdev,
@@ -734,7 +736,7 @@ static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
int r;
int timeout = 500;
- dev_dbg(go->dev, "WriteInterrupt: %04x %04x\n", addr, data);
+ pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
go->usb_buf[0] = data & 0xff;
go->usb_buf[1] = data >> 8;
@@ -771,7 +773,7 @@ static void go7007_usb_readinterrupt_complete(struct urb *urb)
go->interrupt_available = 1;
go->interrupt_data = __le16_to_cpu(regs[0]);
go->interrupt_value = __le16_to_cpu(regs[1]);
- dev_dbg(go->dev, "ReadInterrupt: %04x %04x\n",
+ pr_debug("ReadInterrupt: %04x %04x\n",
go->interrupt_value, go->interrupt_data);
}
@@ -891,7 +893,7 @@ static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
int transferred, pipe;
int timeout = 500;
- dev_dbg(go->dev, "DownloadBuffer sending %d bytes\n", len);
+ pr_debug("DownloadBuffer sending %d bytes\n", len);
if (usb->board->flags & GO7007_USB_EZUSB)
pipe = usb_sndbulkpipe(usb->usbdev, 2);
@@ -977,7 +979,7 @@ static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
!(msgs[i].flags & I2C_M_RD) &&
(msgs[i + 1].flags & I2C_M_RD)) {
#ifdef GO7007_I2C_DEBUG
- dev_dbg(go->dev, "i2c write/read %d/%d bytes on %02x\n",
+ pr_debug("i2c write/read %d/%d bytes on %02x\n",
msgs[i].len, msgs[i + 1].len, msgs[i].addr);
#endif
buf[0] = 0x01;
@@ -988,7 +990,7 @@ static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
buf[buf_len++] = msgs[++i].len;
} else if (msgs[i].flags & I2C_M_RD) {
#ifdef GO7007_I2C_DEBUG
- dev_dbg(go->dev, "i2c read %d bytes on %02x\n",
+ pr_debug("i2c read %d bytes on %02x\n",
msgs[i].len, msgs[i].addr);
#endif
buf[0] = 0x01;
@@ -998,7 +1000,7 @@ static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
buf_len = 4;
} else {
#ifdef GO7007_I2C_DEBUG
- dev_dbg(go->dev, "i2c write %d bytes on %02x\n",
+ pr_debug("i2c write %d bytes on %02x\n",
msgs[i].len, msgs[i].addr);
#endif
buf[0] = 0x00;
@@ -1057,7 +1059,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
char *name;
int video_pipe, i, v_urb_len;
- dev_dbg(go->dev, "probing new GO7007 USB board\n");
+ pr_debug("probing new GO7007 USB board\n");
switch (id->driver_info) {
case GO7007_BOARDID_MATRIX_II:
@@ -1097,13 +1099,13 @@ static int go7007_usb_probe(struct usb_interface *intf,
board = &board_px_tv402u;
break;
case GO7007_BOARDID_LIFEVIEW_LR192:
- dev_err(go->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
+ dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
return -ENODEV;
name = "Lifeview TV Walker Ultra";
board = &board_lifeview_lr192;
break;
case GO7007_BOARDID_SENSORAY_2250:
- dev_info(go->dev, "Sensoray 2250 found\n");
+ dev_info(&intf->dev, "Sensoray 2250 found\n");
name = "Sensoray 2250/2251";
board = &board_sensoray_2250;
break;
@@ -1112,7 +1114,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
board = &board_ads_usbav_709;
break;
default:
- dev_err(go->dev, "unknown board ID %d!\n",
+ dev_err(&intf->dev, "unknown board ID %d!\n",
(unsigned int)id->driver_info);
return -ENODEV;
}
@@ -1247,7 +1249,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
sizeof(go->name));
break;
default:
- dev_dbg(go->dev, "unable to detect tuner type!\n");
+ pr_debug("unable to detect tuner type!\n");
break;
}
/* Configure tuner mode selection inputs connected
diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c
index 235d2b1ec593..eedffed17e39 100644
--- a/drivers/staging/netlogic/xlr_net.c
+++ b/drivers/staging/netlogic/xlr_net.c
@@ -306,7 +306,8 @@ static netdev_tx_t xlr_net_start_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
}
-static u16 xlr_net_select_queue(struct net_device *ndev, struct sk_buff *skb)
+static u16 xlr_net_select_queue(struct net_device *ndev, struct sk_buff *skb,
+ void *accel_priv)
{
return (u16)smp_processor_id();
}
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 3066ee2e753b..49ea76b3435d 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -681,7 +681,8 @@ static irqreturn_t nvec_interrupt(int irq, void *dev)
dev_err(nvec->dev,
"RX buffer overflow on %p: "
"Trying to write byte %u of %u\n",
- nvec->rx, nvec->rx->pos, NVEC_MSG_SIZE);
+ nvec->rx, nvec->rx ? nvec->rx->pos : 0,
+ NVEC_MSG_SIZE);
break;
default:
nvec->state = 0;
diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
index 2c678f409573..2f548ebada59 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -1115,6 +1115,9 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
return _FAIL;
}
+ /* fix bug of flush_cam_entry at STOP AP mode */
+ psta->state |= WIFI_AP_STATE;
+ rtw_indicate_connect(padapter);
pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
return ret;
}
diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
index 17659bb04bef..dd69e344e409 100644
--- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
@@ -652,7 +652,8 @@ static unsigned int rtw_classify8021d(struct sk_buff *skb)
return dscp >> 5;
}
-static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb)
+static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb,
+ void *accel_priv)
{
struct adapter *padapter = rtw_netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
diff --git a/drivers/staging/tidspbridge/Kconfig b/drivers/staging/tidspbridge/Kconfig
index 165b918b8171..1b6d581c438b 100644
--- a/drivers/staging/tidspbridge/Kconfig
+++ b/drivers/staging/tidspbridge/Kconfig
@@ -4,7 +4,7 @@
menuconfig TIDSPBRIDGE
tristate "DSP Bridge driver"
- depends on ARCH_OMAP3 && !ARCH_MULTIPLATFORM
+ depends on ARCH_OMAP3 && !ARCH_MULTIPLATFORM && BROKEN
select MAILBOX
select OMAP2PLUS_MBOX
help
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index 1aa4a3fd0f1b..56e355b3e7fa 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -258,7 +258,8 @@ err:
/* This function maps kernel space memory to user space memory. */
static int bridge_mmap(struct file *filp, struct vm_area_struct *vma)
{
- u32 status;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
/* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
@@ -268,13 +269,9 @@ static int bridge_mmap(struct file *filp, struct vm_area_struct *vma)
vma->vm_start, vma->vm_end, vma->vm_page_prot,
vma->vm_flags);
- status = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot);
- if (status != 0)
- status = -EAGAIN;
-
- return status;
+ return vm_iomap_memory(vma,
+ pdata->phys_mempool_base,
+ pdata->phys_mempool_size);
}
static const struct file_operations bridge_fops = {
diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
index aab0012bba92..ab8b2ba6eedd 100644
--- a/drivers/staging/vt6655/hostap.c
+++ b/drivers/staging/vt6655/hostap.c
@@ -143,7 +143,8 @@ static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
pDevice->dev->name, pDevice->apdev->name);
}
- free_netdev(pDevice->apdev);
+ if (pDevice->apdev)
+ free_netdev(pDevice->apdev);
pDevice->apdev = NULL;
pDevice->bEnable8021x = false;
pDevice->bEnableHostWEP = false;
diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index 1e8b8412e67e..4aa5ef54b683 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -939,6 +939,7 @@ int BBbVT3184Init(struct vnt_private *pDevice)
u8 * pbyAgc;
u16 wLengthAgc;
u8 abyArray[256];
+ u8 data;
ntStatus = CONTROLnsRequestIn(pDevice,
MESSAGE_TYPE_READ,
@@ -1104,6 +1105,16 @@ else {
ControlvWriteByte(pDevice,MESSAGE_REQUEST_BBREG,0x0D,0x01);
RFbRFTableDownload(pDevice);
+
+ /* Fix for TX USB resets from vendors driver */
+ CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, USB_REG4,
+ MESSAGE_REQUEST_MEM, sizeof(data), &data);
+
+ data |= 0x2;
+
+ CONTROLnsRequestOut(pDevice, MESSAGE_TYPE_WRITE, USB_REG4,
+ MESSAGE_REQUEST_MEM, sizeof(data), &data);
+
return true;//ntStatus;
}
diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
index ae1676d190c5..67ba48b9a8d9 100644
--- a/drivers/staging/vt6656/hostap.c
+++ b/drivers/staging/vt6656/hostap.c
@@ -133,7 +133,8 @@ static int hostap_disable_hostapd(struct vnt_private *pDevice, int rtnl_locked)
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
pDevice->dev->name, pDevice->apdev->name);
}
- free_netdev(pDevice->apdev);
+ if (pDevice->apdev)
+ free_netdev(pDevice->apdev);
pDevice->apdev = NULL;
pDevice->bEnable8021x = false;
pDevice->bEnableHostWEP = false;
diff --git a/drivers/staging/vt6656/rndis.h b/drivers/staging/vt6656/rndis.h
index 5e073062017a..5cf5e732a36f 100644
--- a/drivers/staging/vt6656/rndis.h
+++ b/drivers/staging/vt6656/rndis.h
@@ -66,6 +66,8 @@
#define VIAUSB20_PACKET_HEADER 0x04
+#define USB_REG4 0x604
+
typedef struct _CMD_MESSAGE
{
u8 byData[256];
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 79ce363b2ea9..3277d9838f4e 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -652,21 +652,30 @@ static ssize_t reset_store(struct device *dev,
return -ENOMEM;
/* Do not reset an active device! */
- if (bdev->bd_holders)
- return -EBUSY;
+ if (bdev->bd_holders) {
+ ret = -EBUSY;
+ goto out;
+ }
ret = kstrtou16(buf, 10, &do_reset);
if (ret)
- return ret;
+ goto out;
- if (!do_reset)
- return -EINVAL;
+ if (!do_reset) {
+ ret = -EINVAL;
+ goto out;
+ }
/* Make sure all pending I/O is finished */
fsync_bdev(bdev);
+ bdput(bdev);
zram_reset_device(zram, true);
return len;
+
+out:
+ bdput(bdev);
+ return ret;
}
static void __zram_make_request(struct zram *zram, struct bio *bio, int rw)
diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index 1a67537dbc56..3b950e5a918f 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -430,7 +430,12 @@ static struct page *get_next_page(struct page *page)
return next;
}
-/* Encode <page, obj_idx> as a single handle value */
+/*
+ * Encode <page, obj_idx> as a single handle value.
+ * On hardware platforms with physical memory starting at 0x0 the pfn
+ * could be 0 so we ensure that the handle will never be 0 by adjusting the
+ * encoded obj_idx value before encoding.
+ */
static void *obj_location_to_handle(struct page *page, unsigned long obj_idx)
{
unsigned long handle;
@@ -441,17 +446,21 @@ static void *obj_location_to_handle(struct page *page, unsigned long obj_idx)
}
handle = page_to_pfn(page) << OBJ_INDEX_BITS;
- handle |= (obj_idx & OBJ_INDEX_MASK);
+ handle |= ((obj_idx + 1) & OBJ_INDEX_MASK);
return (void *)handle;
}
-/* Decode <page, obj_idx> pair from the given object handle */
+/*
+ * Decode <page, obj_idx> pair from the given object handle. We adjust the
+ * decoded obj_idx back to its original value since it was adjusted in
+ * obj_location_to_handle().
+ */
static void obj_handle_to_location(unsigned long handle, struct page **page,
unsigned long *obj_idx)
{
*page = pfn_to_page(handle >> OBJ_INDEX_BITS);
- *obj_idx = handle & OBJ_INDEX_MASK;
+ *obj_idx = (handle & OBJ_INDEX_MASK) - 1;
}
static unsigned long obj_idx_to_offset(struct page *page,
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index d70e9119e906..00867190413c 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -465,6 +465,7 @@ int iscsit_del_np(struct iscsi_np *np)
*/
send_sig(SIGINT, np->np_thread, 1);
kthread_stop(np->np_thread);
+ np->np_thread = NULL;
}
np->np_transport->iscsit_free_np(np);
@@ -823,24 +824,22 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
if (((hdr->flags & ISCSI_FLAG_CMD_READ) ||
(hdr->flags & ISCSI_FLAG_CMD_WRITE)) && !hdr->data_length) {
/*
- * Vmware ESX v3.0 uses a modified Cisco Initiator (v3.4.2)
- * that adds support for RESERVE/RELEASE. There is a bug
- * add with this new functionality that sets R/W bits when
- * neither CDB carries any READ or WRITE datapayloads.
+ * From RFC-3720 Section 10.3.1:
+ *
+ * "Either or both of R and W MAY be 1 when either the
+ * Expected Data Transfer Length and/or Bidirectional Read
+ * Expected Data Transfer Length are 0"
+ *
+ * For this case, go ahead and clear the unnecssary bits
+ * to avoid any confusion with ->data_direction.
*/
- if ((hdr->cdb[0] == 0x16) || (hdr->cdb[0] == 0x17)) {
- hdr->flags &= ~ISCSI_FLAG_CMD_READ;
- hdr->flags &= ~ISCSI_FLAG_CMD_WRITE;
- goto done;
- }
+ hdr->flags &= ~ISCSI_FLAG_CMD_READ;
+ hdr->flags &= ~ISCSI_FLAG_CMD_WRITE;
- pr_err("ISCSI_FLAG_CMD_READ or ISCSI_FLAG_CMD_WRITE"
+ pr_warn("ISCSI_FLAG_CMD_READ or ISCSI_FLAG_CMD_WRITE"
" set when Expected Data Transfer Length is 0 for"
- " CDB: 0x%02x. Bad iSCSI Initiator.\n", hdr->cdb[0]);
- return iscsit_add_reject_cmd(cmd,
- ISCSI_REASON_BOOKMARK_INVALID, buf);
+ " CDB: 0x%02x, Fixing up flags\n", hdr->cdb[0]);
}
-done:
if (!(hdr->flags & ISCSI_FLAG_CMD_READ) &&
!(hdr->flags & ISCSI_FLAG_CMD_WRITE) && (hdr->data_length != 0)) {
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index e3318edb233d..1c0088fe9e99 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -474,7 +474,8 @@ static ssize_t __iscsi_##prefix##_store_##name( \
\
if (!capable(CAP_SYS_ADMIN)) \
return -EPERM; \
- \
+ if (count >= sizeof(auth->name)) \
+ return -EINVAL; \
snprintf(auth->name, sizeof(auth->name), "%s", page); \
if (!strncmp("NULL", auth->name, 4)) \
auth->naf_flags &= ~flags; \
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 4eb93b2b6473..e29279e6b577 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1403,11 +1403,6 @@ old_sess_out:
out:
stop = kthread_should_stop();
- if (!stop && signal_pending(current)) {
- spin_lock_bh(&np->np_thread_lock);
- stop = (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN);
- spin_unlock_bh(&np->np_thread_lock);
- }
/* Wait for another socket.. */
if (!stop)
return 1;
@@ -1415,7 +1410,6 @@ exit:
iscsi_stop_login_thread_timer(np);
spin_lock_bh(&np->np_thread_lock);
np->np_thread_state = ISCSI_NP_THREAD_EXIT;
- np->np_thread = NULL;
spin_unlock_bh(&np->np_thread_lock);
return 0;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 207b340498a3..d06de84b069b 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -1106,6 +1106,11 @@ int se_dev_set_block_size(struct se_device *dev, u32 block_size)
dev->dev_attrib.block_size = block_size;
pr_debug("dev[%p]: SE Device block_size changed to %u\n",
dev, block_size);
+
+ if (dev->dev_attrib.max_bytes_per_io)
+ dev->dev_attrib.hw_max_sectors =
+ dev->dev_attrib.max_bytes_per_io / block_size;
+
return 0;
}
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 0e34cda3271e..78241a53b555 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -66,9 +66,8 @@ static int fd_attach_hba(struct se_hba *hba, u32 host_id)
pr_debug("CORE_HBA[%d] - TCM FILEIO HBA Driver %s on Generic"
" Target Core Stack %s\n", hba->hba_id, FD_VERSION,
TARGET_CORE_MOD_VERSION);
- pr_debug("CORE_HBA[%d] - Attached FILEIO HBA: %u to Generic"
- " MaxSectors: %u\n",
- hba->hba_id, fd_host->fd_host_id, FD_MAX_SECTORS);
+ pr_debug("CORE_HBA[%d] - Attached FILEIO HBA: %u to Generic\n",
+ hba->hba_id, fd_host->fd_host_id);
return 0;
}
@@ -220,7 +219,8 @@ static int fd_configure_device(struct se_device *dev)
}
dev->dev_attrib.hw_block_size = fd_dev->fd_block_size;
- dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS;
+ dev->dev_attrib.max_bytes_per_io = FD_MAX_BYTES;
+ dev->dev_attrib.hw_max_sectors = FD_MAX_BYTES / fd_dev->fd_block_size;
dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH;
if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 37ffc5bd2399..d7772c167685 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -7,7 +7,10 @@
#define FD_DEVICE_QUEUE_DEPTH 32
#define FD_MAX_DEVICE_QUEUE_DEPTH 128
#define FD_BLOCKSIZE 512
-#define FD_MAX_SECTORS 2048
+/*
+ * Limited by the number of iovecs (2048) per vfs_[writev,readv] call
+ */
+#define FD_MAX_BYTES 8388608
#define RRF_EMULATE_CDB 0x01
#define RRF_GOT_LBA 0x02
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index f697f8baec54..2a573de19a9f 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -278,7 +278,6 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
acl->se_tpg = tpg;
acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);
- spin_lock_init(&acl->stats_lock);
acl->dynamic_node_acl = 1;
tpg->se_tpg_tfo->set_default_node_attributes(acl);
@@ -406,7 +405,6 @@ struct se_node_acl *core_tpg_add_initiator_node_acl(
snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
acl->se_tpg = tpg;
acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);
- spin_lock_init(&acl->stats_lock);
tpg->se_tpg_tfo->set_default_node_attributes(acl);
@@ -658,15 +656,9 @@ static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg)
spin_lock_init(&lun->lun_sep_lock);
init_completion(&lun->lun_ref_comp);
- ret = percpu_ref_init(&lun->lun_ref, core_tpg_lun_ref_release);
- if (ret < 0)
- return ret;
-
ret = core_tpg_post_addlun(se_tpg, lun, lun_access, dev);
- if (ret < 0) {
- percpu_ref_cancel_init(&lun->lun_ref);
+ if (ret < 0)
return ret;
- }
return 0;
}
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 2b86f8e0fb58..71630a2af42c 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1855,6 +1855,9 @@ static struct console sercons = {
*/
static int __init amiserial_console_init(void)
{
+ if (!MACH_IS_AMIGA)
+ return -ENODEV;
+
register_console(&sercons);
return 0;
}
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 7cdd1eb9406c..34aacaaae14a 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -93,6 +93,7 @@ struct n_tty_data {
size_t canon_head;
size_t echo_head;
size_t echo_commit;
+ size_t echo_mark;
DECLARE_BITMAP(char_map, 256);
/* private to n_tty_receive_overrun (single-threaded) */
@@ -336,6 +337,7 @@ static void reset_buffer_flags(struct n_tty_data *ldata)
{
ldata->read_head = ldata->canon_head = ldata->read_tail = 0;
ldata->echo_head = ldata->echo_tail = ldata->echo_commit = 0;
+ ldata->echo_mark = 0;
ldata->line_start = 0;
ldata->erasing = 0;
@@ -768,7 +770,7 @@ static size_t __process_echoes(struct tty_struct *tty)
* data at the tail to prevent a subsequent overrun */
while (ldata->echo_commit - tail >= ECHO_DISCARD_WATERMARK) {
if (echo_buf(ldata, tail) == ECHO_OP_START) {
- if (echo_buf(ldata, tail) == ECHO_OP_ERASE_TAB)
+ if (echo_buf(ldata, tail + 1) == ECHO_OP_ERASE_TAB)
tail += 3;
else
tail += 2;
@@ -787,6 +789,7 @@ static void commit_echoes(struct tty_struct *tty)
size_t head;
head = ldata->echo_head;
+ ldata->echo_mark = head;
old = ldata->echo_commit - ldata->echo_tail;
/* Process committed echoes if the accumulated # of bytes
@@ -810,10 +813,12 @@ static void process_echoes(struct tty_struct *tty)
struct n_tty_data *ldata = tty->disc_data;
size_t echoed;
- if (!L_ECHO(tty) || ldata->echo_commit == ldata->echo_tail)
+ if ((!L_ECHO(tty) && !L_ECHONL(tty)) ||
+ ldata->echo_mark == ldata->echo_tail)
return;
mutex_lock(&ldata->output_lock);
+ ldata->echo_commit = ldata->echo_mark;
echoed = __process_echoes(tty);
mutex_unlock(&ldata->output_lock);
@@ -821,11 +826,13 @@ static void process_echoes(struct tty_struct *tty)
tty->ops->flush_chars(tty);
}
+/* NB: echo_mark and echo_head should be equivalent here */
static void flush_echoes(struct tty_struct *tty)
{
struct n_tty_data *ldata = tty->disc_data;
- if (!L_ECHO(tty) || ldata->echo_commit == ldata->echo_head)
+ if ((!L_ECHO(tty) && !L_ECHONL(tty)) ||
+ ldata->echo_commit == ldata->echo_head)
return;
mutex_lock(&ldata->output_lock);
@@ -1998,7 +2005,10 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
found = 1;
size = N_TTY_BUF_SIZE - tail;
- n = (found + eol + size) & (N_TTY_BUF_SIZE - 1);
+ n = eol - tail;
+ if (n > 4096)
+ n += 4096;
+ n += found;
c = n;
if (found && read_buf(ldata, eol) == __DISABLED_CHAR) {
@@ -2243,18 +2253,19 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
if (time)
timeout = time;
}
- mutex_unlock(&ldata->atomic_read_lock);
- remove_wait_queue(&tty->read_wait, &wait);
+ n_tty_set_room(tty);
+ up_read(&tty->termios_rwsem);
+ remove_wait_queue(&tty->read_wait, &wait);
if (!waitqueue_active(&tty->read_wait))
ldata->minimum_to_wake = minimum;
+ mutex_unlock(&ldata->atomic_read_lock);
+
__set_current_state(TASK_RUNNING);
if (b - buf)
retval = b - buf;
- n_tty_set_room(tty);
- up_read(&tty->termios_rwsem);
return retval;
}
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 4658e3e0ec42..06525f10e364 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -96,7 +96,8 @@ static void dw8250_serial_out(struct uart_port *p, int offset, int value)
if (offset == UART_LCR) {
int tries = 1000;
while (tries--) {
- if (value == p->serial_in(p, UART_LCR))
+ unsigned int lcr = p->serial_in(p, UART_LCR);
+ if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR))
return;
dw8250_force_idle(p);
writeb(value, p->membase + (UART_LCR << p->regshift));
@@ -132,7 +133,8 @@ static void dw8250_serial_out32(struct uart_port *p, int offset, int value)
if (offset == UART_LCR) {
int tries = 1000;
while (tries--) {
- if (value == p->serial_in(p, UART_LCR))
+ unsigned int lcr = p->serial_in(p, UART_LCR);
+ if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR))
return;
dw8250_force_idle(p);
writel(value, p->membase + (UART_LCR << p->regshift));
@@ -455,6 +457,8 @@ MODULE_DEVICE_TABLE(of, dw8250_of_match);
static const struct acpi_device_id dw8250_acpi_match[] = {
{ "INT33C4", 0 },
{ "INT33C5", 0 },
+ { "INT3434", 0 },
+ { "INT3435", 0 },
{ "80860F0A", 0 },
{ },
};
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index f3b306efaa59..23329918f229 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -41,7 +41,7 @@ config SERIAL_8250_DEPRECATED_OPTIONS
accept kernel parameters in both forms like 8250_core.nr_uarts=4 and
8250.nr_uarts=4. We now renamed the module back to 8250, but if
anybody noticed in 3.7 and changed their userspace we still have to
- keep the 8350_core.* options around until they revert the changes
+ keep the 8250_core.* options around until they revert the changes
they already did.
If 8250 is built as a module, this adds 8250_core alias instead.
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 481b781b26e3..e9d420ff3931 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -2052,6 +2052,9 @@ static int __init pmz_console_init(void)
/* Probe ports */
pmz_probe();
+ if (pmz_ports_count == 0)
+ return -ENODEV;
+
/* TODO: Autoprobe console based on OF */
/* pmz_console.index = i; */
register_console(&pmz_console);
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index e46e9f3f19b9..f619ad5b5eae 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -240,6 +240,7 @@ static irqreturn_t xuartps_isr(int irq, void *dev_id)
continue;
}
+#ifdef SUPPORT_SYSRQ
/*
* uart_handle_sysrq_char() doesn't work if
* spinlocked, for some reason
@@ -253,6 +254,7 @@ static irqreturn_t xuartps_isr(int irq, void *dev_id)
}
spin_lock(&port->lock);
}
+#endif
port->icount.rx++;
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 3a1a01af9a80..c74a00ad7add 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2086,6 +2086,7 @@ retry_open:
filp->f_op = &tty_fops;
goto retry_open;
}
+ clear_bit(TTY_HUPPED, &tty->flags);
tty_unlock(tty);
diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index 22fad8ad5ac2..d8a55e87877f 100644
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -86,11 +86,21 @@ static inline long ldsem_atomic_update(long delta, struct ld_semaphore *sem)
return atomic_long_add_return(delta, (atomic_long_t *)&sem->count);
}
+/*
+ * ldsem_cmpxchg() updates @*old with the last-known sem->count value.
+ * Returns 1 if count was successfully changed; @*old will have @new value.
+ * Returns 0 if count was not changed; @*old will have most recent sem->count
+ */
static inline int ldsem_cmpxchg(long *old, long new, struct ld_semaphore *sem)
{
- long tmp = *old;
- *old = atomic_long_cmpxchg(&sem->count, *old, new);
- return *old == tmp;
+ long tmp = atomic_long_cmpxchg(&sem->count, *old, new);
+ if (tmp == *old) {
+ *old = new;
+ return 1;
+ } else {
+ *old = tmp;
+ return 0;
+ }
}
/*
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 67beb8444930..f7beb6eb40c7 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -653,6 +653,8 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
return -EINVAL;
mem = idev->info->mem + mi;
+ if (mem->addr & ~PAGE_MASK)
+ return -ENODEV;
if (vma->vm_end - vma->vm_start > mem->size)
return -EINVAL;
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 5d8981c5235e..6e73f8cd60e5 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -642,6 +642,10 @@ static int ci_hdrc_probe(struct platform_device *pdev)
: CI_ROLE_GADGET;
}
+ /* only update vbus status for peripheral */
+ if (ci->role == CI_ROLE_GADGET)
+ ci_handle_vbus_change(ci);
+
ret = ci_role_start(ci, ci->role);
if (ret) {
dev_err(dev, "can't start %s role\n", ci_role(ci)->name);
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index 59e6020ea753..526cd77563d8 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -88,7 +88,8 @@ static int host_start(struct ci_hdrc *ci)
return ret;
disable_reg:
- regulator_disable(ci->platdata->reg_vbus);
+ if (ci->platdata->reg_vbus)
+ regulator_disable(ci->platdata->reg_vbus);
put_hcd:
usb_put_hcd(hcd);
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index b34c81969cba..69d20fbb38a2 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1795,9 +1795,6 @@ static int udc_start(struct ci_hdrc *ci)
pm_runtime_no_callbacks(&ci->gadget.dev);
pm_runtime_enable(&ci->gadget.dev);
- /* Update ci->vbus_active */
- ci_handle_vbus_change(ci);
-
return retval;
destroy_eps:
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 3e7560f004f8..e8404319ca68 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1515,6 +1515,8 @@ static int acm_reset_resume(struct usb_interface *intf)
static const struct usb_device_id acm_ids[] = {
/* quirky and broken devices */
+ { USB_DEVICE(0x17ef, 0x7000), /* Lenovo USB modem */
+ .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */
{ USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */
.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
},
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 4d387596f3f0..0b23a8639311 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -854,13 +854,11 @@ static int wdm_manage_power(struct usb_interface *intf, int on)
{
/* need autopm_get/put here to ensure the usbcore sees the new value */
int rv = usb_autopm_get_interface(intf);
- if (rv < 0)
- goto err;
intf->needs_remote_wakeup = on;
- usb_autopm_put_interface(intf);
-err:
- return rv;
+ if (!rv)
+ usb_autopm_put_interface(intf);
+ return 0;
}
static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index a7c04e24ca48..bd9dc3504b51 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4832,8 +4832,9 @@ static void hub_events(void)
hub->ports[i - 1]->child;
dev_dbg(hub_dev, "warm reset port %d\n", i);
- if (!udev || !(portstatus &
- USB_PORT_STAT_CONNECTION)) {
+ if (!udev ||
+ !(portstatus & USB_PORT_STAT_CONNECTION) ||
+ udev->state == USB_STATE_NOTATTACHED) {
status = hub_port_reset(hub, i,
NULL, HUB_BH_RESET_TIME,
true);
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 74f9cf02da07..a49217ae3533 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -455,9 +455,6 @@ static int dwc3_probe(struct platform_device *pdev)
if (IS_ERR(regs))
return PTR_ERR(regs);
- usb_phy_set_suspend(dwc->usb2_phy, 0);
- usb_phy_set_suspend(dwc->usb3_phy, 0);
-
spin_lock_init(&dwc->lock);
platform_set_drvdata(pdev, dwc);
@@ -488,6 +485,9 @@ static int dwc3_probe(struct platform_device *pdev)
goto err0;
}
+ usb_phy_set_suspend(dwc->usb2_phy, 0);
+ usb_phy_set_suspend(dwc->usb3_phy, 0);
+
ret = dwc3_event_buffers_setup(dwc);
if (ret) {
dev_err(dwc->dev, "failed to setup event buffers\n");
@@ -569,6 +569,8 @@ err2:
dwc3_event_buffers_cleanup(dwc);
err1:
+ usb_phy_set_suspend(dwc->usb2_phy, 1);
+ usb_phy_set_suspend(dwc->usb3_phy, 1);
dwc3_core_exit(dwc);
err0:
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 95f7649c71a7..21a352079bc2 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -459,6 +459,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
dep = dwc3_wIndex_to_dep(dwc, wIndex);
if (!dep)
return -EINVAL;
+ if (set == 0 && (dep->flags & DWC3_EP_WEDGE))
+ break;
ret = __dwc3_gadget_ep_set_halt(dep, set);
if (ret)
return -EINVAL;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 5452c0fce360..02e44fcaf205 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1200,9 +1200,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
else
dep->flags |= DWC3_EP_STALL;
} else {
- if (dep->flags & DWC3_EP_WEDGE)
- return 0;
-
ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
DWC3_DEPCMD_CLEARSTALL, &params);
if (ret)
@@ -1210,7 +1207,7 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
value ? "set" : "clear",
dep->name);
else
- dep->flags &= ~DWC3_EP_STALL;
+ dep->flags &= ~(DWC3_EP_STALL | DWC3_EP_WEDGE);
}
return ret;
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index a91e6422f930..f66d96ad1f51 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -682,6 +682,7 @@ config USB_CONFIGFS_PHONET
config USB_CONFIGFS_MASS_STORAGE
boolean "Mass storage"
depends on USB_CONFIGFS
+ depends on BLOCK
select USB_F_MASS_STORAGE
help
The Mass Storage Gadget acts as a USB Mass Storage disk drive.
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 3e7ae707f691..2018ba1a2172 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -593,6 +593,7 @@ static void reset_config(struct usb_composite_dev *cdev)
bitmap_zero(f->endpoints, 32);
}
cdev->config = NULL;
+ cdev->delayed_status = 0;
}
static int set_config(struct usb_composite_dev *cdev,
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 774e8b89cdb5..241fc873ffa4 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1304,7 +1304,7 @@ static struct ffs_data *ffs_data_new(void)
{
struct ffs_data *ffs = kzalloc(sizeof *ffs, GFP_KERNEL);
if (unlikely(!ffs))
- return 0;
+ return NULL;
ENTER();
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index a03ba2c83589..b96393908860 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -523,7 +523,7 @@ static int fsg_setup(struct usb_function *f,
*/
DBG(fsg, "bulk reset request\n");
raise_exception(fsg->common, FSG_STATE_RESET);
- return DELAYED_STATUS;
+ return USB_GADGET_DELAYED_STATUS;
case US_BULK_GET_MAX_LUN:
if (ctrl->bRequestType !=
@@ -602,13 +602,14 @@ static bool start_out_transfer(struct fsg_common *common, struct fsg_buffhd *bh)
return true;
}
-static int sleep_thread(struct fsg_common *common)
+static int sleep_thread(struct fsg_common *common, bool can_freeze)
{
int rc = 0;
/* Wait until a signal arrives or we are woken up */
for (;;) {
- try_to_freeze();
+ if (can_freeze)
+ try_to_freeze();
set_current_state(TASK_INTERRUPTIBLE);
if (signal_pending(current)) {
rc = -EINTR;
@@ -682,7 +683,7 @@ static int do_read(struct fsg_common *common)
/* Wait for the next buffer to become available */
bh = common->next_buffhd_to_fill;
while (bh->state != BUF_STATE_EMPTY) {
- rc = sleep_thread(common);
+ rc = sleep_thread(common, false);
if (rc)
return rc;
}
@@ -937,7 +938,7 @@ static int do_write(struct fsg_common *common)
}
/* Wait for something to happen */
- rc = sleep_thread(common);
+ rc = sleep_thread(common, false);
if (rc)
return rc;
}
@@ -1504,7 +1505,7 @@ static int throw_away_data(struct fsg_common *common)
}
/* Otherwise wait for something to happen */
- rc = sleep_thread(common);
+ rc = sleep_thread(common, true);
if (rc)
return rc;
}
@@ -1625,7 +1626,7 @@ static int send_status(struct fsg_common *common)
/* Wait for the next buffer to become available */
bh = common->next_buffhd_to_fill;
while (bh->state != BUF_STATE_EMPTY) {
- rc = sleep_thread(common);
+ rc = sleep_thread(common, true);
if (rc)
return rc;
}
@@ -1828,7 +1829,7 @@ static int do_scsi_command(struct fsg_common *common)
bh = common->next_buffhd_to_fill;
common->next_buffhd_to_drain = bh;
while (bh->state != BUF_STATE_EMPTY) {
- rc = sleep_thread(common);
+ rc = sleep_thread(common, true);
if (rc)
return rc;
}
@@ -2174,7 +2175,7 @@ static int get_next_command(struct fsg_common *common)
/* Wait for the next buffer to become available */
bh = common->next_buffhd_to_fill;
while (bh->state != BUF_STATE_EMPTY) {
- rc = sleep_thread(common);
+ rc = sleep_thread(common, true);
if (rc)
return rc;
}
@@ -2193,7 +2194,7 @@ static int get_next_command(struct fsg_common *common)
/* Wait for the CBW to arrive */
while (bh->state != BUF_STATE_FULL) {
- rc = sleep_thread(common);
+ rc = sleep_thread(common, true);
if (rc)
return rc;
}
@@ -2379,7 +2380,7 @@ static void handle_exception(struct fsg_common *common)
}
if (num_active == 0)
break;
- if (sleep_thread(common))
+ if (sleep_thread(common, true))
return;
}
@@ -2516,7 +2517,7 @@ static int fsg_main_thread(void *common_)
}
if (!common->running) {
- sleep_thread(common);
+ sleep_thread(common, true);
continue;
}
@@ -3111,7 +3112,7 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
fsg->common->can_stall);
if (ret)
return ret;
- fsg_common_set_inquiry_string(fsg->common, 0, 0);
+ fsg_common_set_inquiry_string(fsg->common, NULL, NULL);
ret = fsg_common_run_thread(fsg->common);
if (ret)
return ret;
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 0ac6064aa3b8..409a3c45a36a 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -54,6 +54,7 @@
*/
#ifdef CONFIG_ARCH_PXA
#include <mach/pxa25x-udc.h>
+#include <mach/hardware.h>
#endif
#ifdef CONFIG_ARCH_LUBBOCK
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 9875d9c0823f..e20bc109fdd7 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -1180,6 +1180,7 @@ static int s3c_hsotg_process_req_feature(struct s3c_hsotg *hsotg,
}
static void s3c_hsotg_enqueue_setup(struct s3c_hsotg *hsotg);
+static void s3c_hsotg_disconnect(struct s3c_hsotg *hsotg);
/**
* s3c_hsotg_process_control - process a control request
@@ -1221,6 +1222,7 @@ static void s3c_hsotg_process_control(struct s3c_hsotg *hsotg,
if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) {
switch (ctrl->bRequest) {
case USB_REQ_SET_ADDRESS:
+ s3c_hsotg_disconnect(hsotg);
dcfg = readl(hsotg->regs + DCFG);
dcfg &= ~DCFG_DevAddr_MASK;
dcfg |= ctrl->wValue << DCFG_DevAddr_SHIFT;
@@ -1245,7 +1247,9 @@ static void s3c_hsotg_process_control(struct s3c_hsotg *hsotg,
/* as a fallback, try delivering it to the driver to deal with */
if (ret == 0 && hsotg->driver) {
+ spin_unlock(&hsotg->lock);
ret = hsotg->driver->setup(&hsotg->gadget, ctrl);
+ spin_lock(&hsotg->lock);
if (ret < 0)
dev_dbg(hsotg->dev, "driver->setup() ret %d\n", ret);
}
@@ -1308,10 +1312,12 @@ static void s3c_hsotg_complete_setup(struct usb_ep *ep,
return;
}
+ spin_lock(&hsotg->lock);
if (req->actual == 0)
s3c_hsotg_enqueue_setup(hsotg);
else
s3c_hsotg_process_control(hsotg, req->buf);
+ spin_unlock(&hsotg->lock);
}
/**
@@ -2533,7 +2539,6 @@ irq_retry:
writel(GINTSTS_USBSusp, hsotg->regs + GINTSTS);
call_gadget(hsotg, suspend);
- s3c_hsotg_disconnect(hsotg);
}
if (gintsts & GINTSTS_WkUpInt) {
diff --git a/drivers/usb/gadget/storage_common.h b/drivers/usb/gadget/storage_common.h
index c74c2fdbd56e..70c891469f57 100644
--- a/drivers/usb/gadget/storage_common.h
+++ b/drivers/usb/gadget/storage_common.h
@@ -119,10 +119,6 @@ static inline bool fsg_lun_is_open(struct fsg_lun *curlun)
return curlun->filp != NULL;
}
-/* Big enough to hold our biggest descriptor */
-#define EP0_BUFSIZE 256
-#define DELAYED_STATUS (EP0_BUFSIZE + 999) /* An impossibly large value */
-
/* Default size of buffer length. */
#define FSG_BUFLEN ((u32)16384)
diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c
index 6c3d7950d2a9..0f8aad78b54f 100644
--- a/drivers/usb/gadget/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/tcm_usb_gadget.c
@@ -370,7 +370,7 @@ err:
return -ENOMEM;
}
-void bot_cleanup_old_alt(struct f_uas *fu)
+static void bot_cleanup_old_alt(struct f_uas *fu)
{
if (!(fu->flags & USBG_ENABLED))
return;
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 0dd07ae1555d..f49b0b61ecc8 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -91,17 +91,17 @@ static struct usb_zero_options gzero_options = {
* functional coverage for the "USBCV" test harness from USB-IF.
* It's always set if OTG mode is enabled.
*/
-unsigned autoresume = DEFAULT_AUTORESUME;
+static unsigned autoresume = DEFAULT_AUTORESUME;
module_param(autoresume, uint, S_IRUGO);
MODULE_PARM_DESC(autoresume, "zero, or seconds before remote wakeup");
/* Maximum Autoresume time */
-unsigned max_autoresume;
+static unsigned max_autoresume;
module_param(max_autoresume, uint, S_IRUGO);
MODULE_PARM_DESC(max_autoresume, "maximum seconds before remote wakeup");
/* Interval between two remote wakeups */
-unsigned autoresume_interval_ms;
+static unsigned autoresume_interval_ms;
module_param(autoresume_interval_ms, uint, S_IRUGO);
MODULE_PARM_DESC(autoresume_interval_ms,
"milliseconds to increase successive wakeup delays");
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 418444ebb1b8..8c356af79409 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -136,23 +136,27 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
struct ohci_hcd *ohci;
int retval;
struct usb_hcd *hcd = NULL;
-
- if (pdev->num_resources != 2) {
- pr_debug("hcd probe: invalid num_resources");
- return -ENODEV;
+ struct device *dev = &pdev->dev;
+ struct resource *res;
+ int irq;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_dbg(dev, "hcd probe: missing memory resource\n");
+ return -ENXIO;
}
- if ((pdev->resource[0].flags != IORESOURCE_MEM)
- || (pdev->resource[1].flags != IORESOURCE_IRQ)) {
- pr_debug("hcd probe: invalid resource type\n");
- return -ENODEV;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_dbg(dev, "hcd probe: missing irq resource\n");
+ return irq;
}
hcd = usb_create_hcd(driver, &pdev->dev, "at91");
if (!hcd)
return -ENOMEM;
- hcd->rsrc_start = pdev->resource[0].start;
- hcd->rsrc_len = resource_size(&pdev->resource[0]);
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
pr_debug("request_mem_region failed\n");
@@ -199,7 +203,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
ohci->num_ports = board->ports;
at91_start_hc(pdev);
- retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED);
+ retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (retval == 0)
return retval;
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index e89ac4d4b87e..9b7435f0dcd6 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -21,6 +21,7 @@
#include <linux/clk.h>
#include <linux/device.h>
+#include <linux/dma-mapping.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index b8dffd59eb25..73f5208714a4 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -128,7 +128,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
* any other sleep) on Haswell machines with LPT and LPT-LP
* with the new Intel BIOS
*/
- xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
+ /* Limit the quirk to only known vendors, as this triggers
+ * yet another BIOS bug on some other machines
+ * https://bugzilla.kernel.org/show_bug.cgi?id=66171
+ */
+ if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)
+ xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
}
if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 1e2f3f495843..53c2e296467f 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2973,8 +2973,58 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
}
while (1) {
- if (room_on_ring(xhci, ep_ring, num_trbs))
- break;
+ if (room_on_ring(xhci, ep_ring, num_trbs)) {
+ union xhci_trb *trb = ep_ring->enqueue;
+ unsigned int usable = ep_ring->enq_seg->trbs +
+ TRBS_PER_SEGMENT - 1 - trb;
+ u32 nop_cmd;
+
+ /*
+ * Section 4.11.7.1 TD Fragments states that a link
+ * TRB must only occur at the boundary between
+ * data bursts (eg 512 bytes for 480M).
+ * While it is possible to split a large fragment
+ * we don't know the size yet.
+ * Simplest solution is to fill the trb before the
+ * LINK with nop commands.
+ */
+ if (num_trbs == 1 || num_trbs <= usable || usable == 0)
+ break;
+
+ if (ep_ring->type != TYPE_BULK)
+ /*
+ * While isoc transfers might have a buffer that
+ * crosses a 64k boundary it is unlikely.
+ * Since we can't add NOPs without generating
+ * gaps in the traffic just hope it never
+ * happens at the end of the ring.
+ * This could be fixed by writing a LINK TRB
+ * instead of the first NOP - however the
+ * TRB_TYPE_LINK_LE32() calls would all need
+ * changing to check the ring length.
+ */
+ break;
+
+ if (num_trbs >= TRBS_PER_SEGMENT) {
+ xhci_err(xhci, "Too many fragments %d, max %d\n",
+ num_trbs, TRBS_PER_SEGMENT - 1);
+ return -ENOMEM;
+ }
+
+ nop_cmd = cpu_to_le32(TRB_TYPE(TRB_TR_NOOP) |
+ ep_ring->cycle_state);
+ ep_ring->num_trbs_free -= usable;
+ do {
+ trb->generic.field[0] = 0;
+ trb->generic.field[1] = 0;
+ trb->generic.field[2] = 0;
+ trb->generic.field[3] = nop_cmd;
+ trb++;
+ } while (--usable);
+ ep_ring->enqueue = trb;
+ if (room_on_ring(xhci, ep_ring, num_trbs))
+ break;
+ }
if (ep_ring == xhci->cmd_ring) {
xhci_err(xhci, "Do not support expand command ring\n");
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 0a43329569d1..4d4499b80449 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1809,7 +1809,6 @@ static void musb_free(struct musb *musb)
disable_irq_wake(musb->nIrq);
free_irq(musb->nIrq, musb);
}
- cancel_work_sync(&musb->irq_work);
musb_host_free(musb);
}
@@ -1896,6 +1895,9 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
musb_platform_disable(musb);
musb_generic_disable(musb);
+ /* Init IRQ workqueue before request_irq */
+ INIT_WORK(&musb->irq_work, musb_irq_work);
+
/* setup musb parts of the core (especially endpoints) */
status = musb_core_init(plat->config->multipoint
? MUSB_CONTROLLER_MHDRC
@@ -1905,9 +1907,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
setup_timer(&musb->otg_timer, musb_otg_timer_func, (unsigned long) musb);
- /* Init IRQ workqueue before request_irq */
- INIT_WORK(&musb->irq_work, musb_irq_work);
-
/* attach to the IRQ */
if (request_irq(nIrq, musb->isr, 0, dev_name(dev), musb)) {
dev_err(dev, "request_irq %d failed!\n", nIrq);
@@ -1981,6 +1980,7 @@ fail4:
musb_host_cleanup(musb);
fail3:
+ cancel_work_sync(&musb->irq_work);
if (musb->dma_controller)
dma_controller_destroy(musb->dma_controller);
fail2_5:
@@ -2043,6 +2043,7 @@ static int musb_remove(struct platform_device *pdev)
if (musb->dma_controller)
dma_controller_destroy(musb->dma_controller);
+ cancel_work_sync(&musb->irq_work);
musb_free(musb);
device_init_wakeup(dev, 0);
return 0;
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index ff9d6de2b746..a12bd30401e0 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -38,6 +38,7 @@ struct cppi41_dma_channel {
u32 prog_len;
u32 transferred;
u32 packet_sz;
+ struct list_head tx_check;
};
#define MUSB_DMA_NUM_CHANNELS 15
@@ -47,6 +48,8 @@ struct cppi41_dma_controller {
struct cppi41_dma_channel rx_channel[MUSB_DMA_NUM_CHANNELS];
struct cppi41_dma_channel tx_channel[MUSB_DMA_NUM_CHANNELS];
struct musb *musb;
+ struct hrtimer early_tx;
+ struct list_head early_tx_list;
u32 rx_mode;
u32 tx_mode;
u32 auto_req;
@@ -96,31 +99,27 @@ static void update_rx_toggle(struct cppi41_dma_channel *cppi41_channel)
cppi41_channel->usb_toggle = toggle;
}
-static void cppi41_dma_callback(void *private_data)
+static bool musb_is_tx_fifo_empty(struct musb_hw_ep *hw_ep)
{
- struct dma_channel *channel = private_data;
- struct cppi41_dma_channel *cppi41_channel = channel->private_data;
- struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep;
- struct musb *musb = hw_ep->musb;
- unsigned long flags;
- struct dma_tx_state txstate;
- u32 transferred;
+ u8 epnum = hw_ep->epnum;
+ struct musb *musb = hw_ep->musb;
+ void __iomem *epio = musb->endpoints[epnum].regs;
+ u16 csr;
- spin_lock_irqsave(&musb->lock, flags);
+ csr = musb_readw(epio, MUSB_TXCSR);
+ if (csr & MUSB_TXCSR_TXPKTRDY)
+ return false;
+ return true;
+}
- dmaengine_tx_status(cppi41_channel->dc, cppi41_channel->cookie,
- &txstate);
- transferred = cppi41_channel->prog_len - txstate.residue;
- cppi41_channel->transferred += transferred;
+static void cppi41_dma_callback(void *private_data);
- dev_dbg(musb->controller, "DMA transfer done on hw_ep=%d bytes=%d/%d\n",
- hw_ep->epnum, cppi41_channel->transferred,
- cppi41_channel->total_len);
+static void cppi41_trans_done(struct cppi41_dma_channel *cppi41_channel)
+{
+ struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep;
+ struct musb *musb = hw_ep->musb;
- update_rx_toggle(cppi41_channel);
-
- if (cppi41_channel->transferred == cppi41_channel->total_len ||
- transferred < cppi41_channel->packet_sz) {
+ if (!cppi41_channel->prog_len) {
/* done, complete */
cppi41_channel->channel.actual_len =
@@ -150,13 +149,11 @@ static void cppi41_dma_callback(void *private_data)
remain_bytes,
direction,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
- if (WARN_ON(!dma_desc)) {
- spin_unlock_irqrestore(&musb->lock, flags);
+ if (WARN_ON(!dma_desc))
return;
- }
dma_desc->callback = cppi41_dma_callback;
- dma_desc->callback_param = channel;
+ dma_desc->callback_param = &cppi41_channel->channel;
cppi41_channel->cookie = dma_desc->tx_submit(dma_desc);
dma_async_issue_pending(dc);
@@ -166,6 +163,117 @@ static void cppi41_dma_callback(void *private_data)
musb_writew(epio, MUSB_RXCSR, csr);
}
}
+}
+
+static enum hrtimer_restart cppi41_recheck_tx_req(struct hrtimer *timer)
+{
+ struct cppi41_dma_controller *controller;
+ struct cppi41_dma_channel *cppi41_channel, *n;
+ struct musb *musb;
+ unsigned long flags;
+ enum hrtimer_restart ret = HRTIMER_NORESTART;
+
+ controller = container_of(timer, struct cppi41_dma_controller,
+ early_tx);
+ musb = controller->musb;
+
+ spin_lock_irqsave(&musb->lock, flags);
+ list_for_each_entry_safe(cppi41_channel, n, &controller->early_tx_list,
+ tx_check) {
+ bool empty;
+ struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep;
+
+ empty = musb_is_tx_fifo_empty(hw_ep);
+ if (empty) {
+ list_del_init(&cppi41_channel->tx_check);
+ cppi41_trans_done(cppi41_channel);
+ }
+ }
+
+ if (!list_empty(&controller->early_tx_list)) {
+ ret = HRTIMER_RESTART;
+ hrtimer_forward_now(&controller->early_tx,
+ ktime_set(0, 150 * NSEC_PER_USEC));
+ }
+
+ spin_unlock_irqrestore(&musb->lock, flags);
+ return ret;
+}
+
+static void cppi41_dma_callback(void *private_data)
+{
+ struct dma_channel *channel = private_data;
+ struct cppi41_dma_channel *cppi41_channel = channel->private_data;
+ struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep;
+ struct musb *musb = hw_ep->musb;
+ unsigned long flags;
+ struct dma_tx_state txstate;
+ u32 transferred;
+ bool empty;
+
+ spin_lock_irqsave(&musb->lock, flags);
+
+ dmaengine_tx_status(cppi41_channel->dc, cppi41_channel->cookie,
+ &txstate);
+ transferred = cppi41_channel->prog_len - txstate.residue;
+ cppi41_channel->transferred += transferred;
+
+ dev_dbg(musb->controller, "DMA transfer done on hw_ep=%d bytes=%d/%d\n",
+ hw_ep->epnum, cppi41_channel->transferred,
+ cppi41_channel->total_len);
+
+ update_rx_toggle(cppi41_channel);
+
+ if (cppi41_channel->transferred == cppi41_channel->total_len ||
+ transferred < cppi41_channel->packet_sz)
+ cppi41_channel->prog_len = 0;
+
+ empty = musb_is_tx_fifo_empty(hw_ep);
+ if (empty) {
+ cppi41_trans_done(cppi41_channel);
+ } else {
+ struct cppi41_dma_controller *controller;
+ /*
+ * On AM335x it has been observed that the TX interrupt fires
+ * too early that means the TXFIFO is not yet empty but the DMA
+ * engine says that it is done with the transfer. We don't
+ * receive a FIFO empty interrupt so the only thing we can do is
+ * to poll for the bit. On HS it usually takes 2us, on FS around
+ * 110us - 150us depending on the transfer size.
+ * We spin on HS (no longer than than 25us and setup a timer on
+ * FS to check for the bit and complete the transfer.
+ */
+ controller = cppi41_channel->controller;
+
+ if (musb->g.speed == USB_SPEED_HIGH) {
+ unsigned wait = 25;
+
+ do {
+ empty = musb_is_tx_fifo_empty(hw_ep);
+ if (empty)
+ break;
+ wait--;
+ if (!wait)
+ break;
+ udelay(1);
+ } while (1);
+
+ empty = musb_is_tx_fifo_empty(hw_ep);
+ if (empty) {
+ cppi41_trans_done(cppi41_channel);
+ goto out;
+ }
+ }
+ list_add_tail(&cppi41_channel->tx_check,
+ &controller->early_tx_list);
+ if (!hrtimer_active(&controller->early_tx)) {
+ hrtimer_start_range_ns(&controller->early_tx,
+ ktime_set(0, 140 * NSEC_PER_USEC),
+ 40 * NSEC_PER_USEC,
+ HRTIMER_MODE_REL);
+ }
+ }
+out:
spin_unlock_irqrestore(&musb->lock, flags);
}
@@ -364,6 +472,8 @@ static int cppi41_is_compatible(struct dma_channel *channel, u16 maxpacket,
WARN_ON(1);
return 1;
}
+ if (cppi41_channel->hw_ep->ep_in.type != USB_ENDPOINT_XFER_BULK)
+ return 0;
if (cppi41_channel->is_tx)
return 1;
/* AM335x Advisory 1.0.13. No workaround for device RX mode */
@@ -388,6 +498,7 @@ static int cppi41_dma_channel_abort(struct dma_channel *channel)
if (cppi41_channel->channel.status == MUSB_DMA_STATUS_FREE)
return 0;
+ list_del_init(&cppi41_channel->tx_check);
if (is_tx) {
csr = musb_readw(epio, MUSB_TXCSR);
csr &= ~MUSB_TXCSR_DMAENAB;
@@ -495,6 +606,7 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller)
cppi41_channel->controller = controller;
cppi41_channel->port_num = port;
cppi41_channel->is_tx = is_tx;
+ INIT_LIST_HEAD(&cppi41_channel->tx_check);
musb_dma = &cppi41_channel->channel;
musb_dma->private_data = cppi41_channel;
@@ -520,6 +632,7 @@ void dma_controller_destroy(struct dma_controller *c)
struct cppi41_dma_controller *controller = container_of(c,
struct cppi41_dma_controller, controller);
+ hrtimer_cancel(&controller->early_tx);
cppi41_dma_controller_stop(controller);
kfree(controller);
}
@@ -539,6 +652,9 @@ struct dma_controller *dma_controller_create(struct musb *musb,
if (!controller)
goto kzalloc_fail;
+ hrtimer_init(&controller->early_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ controller->early_tx.function = cppi41_recheck_tx_req;
+ INIT_LIST_HEAD(&controller->early_tx_list);
controller->musb = musb;
controller->controller.channel_alloc = cppi41_dma_channel_allocate;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index d2d3a173b315..32fb057c03f5 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1796,7 +1796,11 @@ int musb_gadget_setup(struct musb *musb)
/* this "gadget" abstracts/virtualizes the controller */
musb->g.name = musb_driver_name;
+#if IS_ENABLED(CONFIG_USB_MUSB_DUAL_ROLE)
musb->g.is_otg = 1;
+#elif IS_ENABLED(CONFIG_USB_MUSB_GADGET)
+ musb->g.is_otg = 0;
+#endif
musb_g_init_endpoints(musb);
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 08e2f39027ec..2b41c636a52a 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -19,8 +19,9 @@ config AB8500_USB
in host mode, low speed.
config FSL_USB2_OTG
- bool "Freescale USB OTG Transceiver Driver"
+ tristate "Freescale USB OTG Transceiver Driver"
depends on USB_EHCI_FSL && USB_FSL_USB2 && PM_RUNTIME
+ depends on USB
select USB_OTG
select USB_PHY
help
@@ -29,6 +30,7 @@ config FSL_USB2_OTG
config ISP1301_OMAP
tristate "Philips ISP1301 with OMAP OTG"
depends on I2C && ARCH_OMAP_OTG
+ depends on USB
select USB_PHY
help
If you say yes here you get support for the Philips ISP1301
diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c
index 6370e50649d7..0e3c60cb669a 100644
--- a/drivers/usb/phy/phy-am335x.c
+++ b/drivers/usb/phy/phy-am335x.c
@@ -52,8 +52,7 @@ static int am335x_phy_probe(struct platform_device *pdev)
return am_phy->id;
}
- ret = usb_phy_gen_create_phy(dev, &am_phy->usb_phy_gen,
- USB_PHY_TYPE_USB2, 0, false);
+ ret = usb_phy_gen_create_phy(dev, &am_phy->usb_phy_gen, NULL);
if (ret)
return ret;
@@ -66,8 +65,6 @@ static int am335x_phy_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, am_phy);
return 0;
-
- return ret;
}
static int am335x_phy_remove(struct platform_device *pdev)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index fce3a9e9bb5d..aa6d37b3378a 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -48,8 +48,9 @@ void usb_nop_xceiv_register(void)
if (pd)
return;
pd = platform_device_register_simple("usb_phy_gen_xceiv", -1, NULL, 0);
- if (!pd) {
+ if (IS_ERR(pd)) {
pr_err("Unable to register generic usb transceiver\n");
+ pd = NULL;
return;
}
}
@@ -150,10 +151,40 @@ static int nop_set_host(struct usb_otg *otg, struct usb_bus *host)
}
int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_gen_xceiv *nop,
- enum usb_phy_type type, u32 clk_rate, bool needs_vcc)
+ struct usb_phy_gen_xceiv_platform_data *pdata)
{
+ enum usb_phy_type type = USB_PHY_TYPE_USB2;
int err;
+ u32 clk_rate = 0;
+ bool needs_vcc = false;
+
+ nop->reset_active_low = true; /* default behaviour */
+
+ if (dev->of_node) {
+ struct device_node *node = dev->of_node;
+ enum of_gpio_flags flags = 0;
+
+ if (of_property_read_u32(node, "clock-frequency", &clk_rate))
+ clk_rate = 0;
+
+ needs_vcc = of_property_read_bool(node, "vcc-supply");
+ nop->gpio_reset = of_get_named_gpio_flags(node, "reset-gpios",
+ 0, &flags);
+ if (nop->gpio_reset == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ nop->reset_active_low = flags & OF_GPIO_ACTIVE_LOW;
+
+ } else if (pdata) {
+ type = pdata->type;
+ clk_rate = pdata->clk_rate;
+ needs_vcc = pdata->needs_vcc;
+ nop->gpio_reset = pdata->gpio_reset;
+ } else {
+ nop->gpio_reset = -1;
+ }
+
nop->phy.otg = devm_kzalloc(dev, sizeof(*nop->phy.otg),
GFP_KERNEL);
if (!nop->phy.otg)
@@ -218,43 +249,14 @@ EXPORT_SYMBOL_GPL(usb_phy_gen_create_phy);
static int usb_phy_gen_xceiv_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct usb_phy_gen_xceiv_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
struct usb_phy_gen_xceiv *nop;
- enum usb_phy_type type = USB_PHY_TYPE_USB2;
int err;
- u32 clk_rate = 0;
- bool needs_vcc = false;
nop = devm_kzalloc(dev, sizeof(*nop), GFP_KERNEL);
if (!nop)
return -ENOMEM;
- nop->reset_active_low = true; /* default behaviour */
-
- if (dev->of_node) {
- struct device_node *node = dev->of_node;
- enum of_gpio_flags flags;
-
- if (of_property_read_u32(node, "clock-frequency", &clk_rate))
- clk_rate = 0;
-
- needs_vcc = of_property_read_bool(node, "vcc-supply");
- nop->gpio_reset = of_get_named_gpio_flags(node, "reset-gpios",
- 0, &flags);
- if (nop->gpio_reset == -EPROBE_DEFER)
- return -EPROBE_DEFER;
-
- nop->reset_active_low = flags & OF_GPIO_ACTIVE_LOW;
-
- } else if (pdata) {
- type = pdata->type;
- clk_rate = pdata->clk_rate;
- needs_vcc = pdata->needs_vcc;
- nop->gpio_reset = pdata->gpio_reset;
- }
-
- err = usb_phy_gen_create_phy(dev, nop, type, clk_rate, needs_vcc);
+ err = usb_phy_gen_create_phy(dev, nop, dev_get_platdata(&pdev->dev));
if (err)
return err;
@@ -271,8 +273,6 @@ static int usb_phy_gen_xceiv_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, nop);
return 0;
-
- return err;
}
static int usb_phy_gen_xceiv_remove(struct platform_device *pdev)
diff --git a/drivers/usb/phy/phy-generic.h b/drivers/usb/phy/phy-generic.h
index d2a220d81734..38a81f307b82 100644
--- a/drivers/usb/phy/phy-generic.h
+++ b/drivers/usb/phy/phy-generic.h
@@ -1,6 +1,8 @@
#ifndef _PHY_GENERIC_H_
#define _PHY_GENERIC_H_
+#include <linux/usb/usb_phy_gen_xceiv.h>
+
struct usb_phy_gen_xceiv {
struct usb_phy phy;
struct device *dev;
@@ -14,6 +16,6 @@ int usb_gen_phy_init(struct usb_phy *phy);
void usb_gen_phy_shutdown(struct usb_phy *phy);
int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_gen_xceiv *nop,
- enum usb_phy_type type, u32 clk_rate, bool needs_vcc);
+ struct usb_phy_gen_xceiv_platform_data *pdata);
#endif
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index fdd33b44dbd3..545844b7e796 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -164,7 +164,7 @@ static int mxs_phy_probe(struct platform_device *pdev)
mxs_phy->clk = clk;
- platform_set_drvdata(pdev, &mxs_phy->phy);
+ platform_set_drvdata(pdev, mxs_phy);
ret = usb_add_phy_dev(&mxs_phy->phy);
if (ret)
diff --git a/drivers/usb/phy/phy-rcar-gen2-usb.c b/drivers/usb/phy/phy-rcar-gen2-usb.c
index a99a6953f11c..db3ab34cddb4 100644
--- a/drivers/usb/phy/phy-rcar-gen2-usb.c
+++ b/drivers/usb/phy/phy-rcar-gen2-usb.c
@@ -107,10 +107,10 @@ static void __rcar_gen2_usb_phy_init(struct rcar_gen2_usb_phy_priv *priv)
clk_prepare_enable(priv->clk);
/* Set USB channels in the USBHS UGCTRL2 register */
- val = ioread32(priv->base);
+ val = ioread32(priv->base + USBHS_UGCTRL2_REG);
val &= ~(USBHS_UGCTRL2_USB0_HS | USBHS_UGCTRL2_USB2_SS);
val |= priv->ugctrl2;
- iowrite32(val, priv->base);
+ iowrite32(val, priv->base + USBHS_UGCTRL2_REG);
}
/* Shutdown USB channels */
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index 82232acf1ab6..bbe4f8e6e8d7 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -876,7 +876,7 @@ static int utmi_phy_probe(struct tegra_usb_phy *tegra_phy,
tegra_phy->pad_regs = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
- if (!tegra_phy->regs) {
+ if (!tegra_phy->pad_regs) {
dev_err(&pdev->dev, "Failed to remap UTMI Pad regs\n");
return -ENOMEM;
}
diff --git a/drivers/usb/phy/phy-twl6030-usb.c b/drivers/usb/phy/phy-twl6030-usb.c
index 30e8a61552d4..bad57ce77ba5 100644
--- a/drivers/usb/phy/phy-twl6030-usb.c
+++ b/drivers/usb/phy/phy-twl6030-usb.c
@@ -127,7 +127,8 @@ static inline int twl6030_writeb(struct twl6030_usb *twl, u8 module,
static inline u8 twl6030_readb(struct twl6030_usb *twl, u8 module, u8 address)
{
- u8 data, ret = 0;
+ u8 data;
+ int ret;
ret = twl_i2c_read_u8(module, &data, address);
if (ret >= 0)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 9ced8937a8f3..fb0d537435eb 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2123,6 +2123,20 @@ static void ftdi_set_termios(struct tty_struct *tty,
termios->c_cflag |= CRTSCTS;
}
+ /*
+ * All FTDI UART chips are limited to CS7/8. We won't pretend to
+ * support CS5/6 and revert the CSIZE setting instead.
+ */
+ if ((C_CSIZE(tty) != CS8) && (C_CSIZE(tty) != CS7)) {
+ dev_warn(ddev, "requested CSIZE setting not supported\n");
+
+ termios->c_cflag &= ~CSIZE;
+ if (old_termios)
+ termios->c_cflag |= old_termios->c_cflag & CSIZE;
+ else
+ termios->c_cflag |= CS8;
+ }
+
cflag = termios->c_cflag;
if (!old_termios)
@@ -2159,19 +2173,16 @@ no_skip:
} else {
urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
}
- if (cflag & CSIZE) {
- switch (cflag & CSIZE) {
- case CS7:
- urb_value |= 7;
- dev_dbg(ddev, "Setting CS7\n");
- break;
- case CS8:
- urb_value |= 8;
- dev_dbg(ddev, "Setting CS8\n");
- break;
- default:
- dev_err(ddev, "CSIZE was set but not CS7-CS8\n");
- }
+ switch (cflag & CSIZE) {
+ case CS7:
+ urb_value |= 7;
+ dev_dbg(ddev, "Setting CS7\n");
+ break;
+ default:
+ case CS8:
+ urb_value |= 8;
+ dev_dbg(ddev, "Setting CS8\n");
+ break;
}
/* This is needed by the break command since it uses the same command
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 2b01ec8651c2..b63ce023f96f 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -173,16 +173,8 @@ retry:
clear_bit_unlock(USB_SERIAL_WRITE_BUSY, &port->flags);
return result;
}
- /*
- * Try sending off another urb, unless called from completion handler
- * (in which case there will be no free urb or no data).
- */
- if (mem_flags != GFP_ATOMIC)
- goto retry;
- clear_bit_unlock(USB_SERIAL_WRITE_BUSY, &port->flags);
-
- return 0;
+ goto retry; /* try sending off another urb */
}
EXPORT_SYMBOL_GPL(usb_serial_generic_write_start);
@@ -208,7 +200,7 @@ int usb_serial_generic_write(struct tty_struct *tty,
return 0;
count = kfifo_in_locked(&port->write_fifo, buf, count, &port->lock);
- result = usb_serial_generic_write_start(port, GFP_KERNEL);
+ result = usb_serial_generic_write_start(port, GFP_ATOMIC);
if (result)
return result;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index e5bdd987b9e8..a69da83604c0 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1813,25 +1813,25 @@ static void mos7840_change_port_settings(struct tty_struct *tty,
iflag = tty->termios.c_iflag;
/* Change the number of bits */
- if (cflag & CSIZE) {
- switch (cflag & CSIZE) {
- case CS5:
- lData = LCR_BITS_5;
- break;
+ switch (cflag & CSIZE) {
+ case CS5:
+ lData = LCR_BITS_5;
+ break;
- case CS6:
- lData = LCR_BITS_6;
- break;
+ case CS6:
+ lData = LCR_BITS_6;
+ break;
- case CS7:
- lData = LCR_BITS_7;
- break;
- default:
- case CS8:
- lData = LCR_BITS_8;
- break;
- }
+ case CS7:
+ lData = LCR_BITS_7;
+ break;
+
+ default:
+ case CS8:
+ lData = LCR_BITS_8;
+ break;
}
+
/* Change the Parity bit */
if (cflag & PARENB) {
if (cflag & PARODD) {
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index c3d94853b4ab..cc7a24154490 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -85,6 +85,7 @@ static void option_instat_callback(struct urb *urb);
#define HUAWEI_PRODUCT_K4505 0x1464
#define HUAWEI_PRODUCT_K3765 0x1465
#define HUAWEI_PRODUCT_K4605 0x14C6
+#define HUAWEI_PRODUCT_E173S6 0x1C07
#define QUANTA_VENDOR_ID 0x0408
#define QUANTA_PRODUCT_Q101 0xEA02
@@ -250,6 +251,7 @@ static void option_instat_callback(struct urb *urb);
#define ZTE_PRODUCT_MF628 0x0015
#define ZTE_PRODUCT_MF626 0x0031
#define ZTE_PRODUCT_MC2718 0xffe8
+#define ZTE_PRODUCT_AC2726 0xfff1
#define BENQ_VENDOR_ID 0x04a5
#define BENQ_PRODUCT_H10 0x4068
@@ -572,6 +574,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &net_intf1_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S6, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t) &net_intf1_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &net_intf2_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) },
@@ -634,6 +638,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6D) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6E) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6F) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x72) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x73) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x74) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x75) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x78) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x79) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x7A) },
@@ -688,6 +696,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6D) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6E) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6F) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x72) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x73) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x74) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x75) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x78) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x79) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x7A) },
@@ -742,6 +754,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6D) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6E) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6F) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x72) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x73) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x74) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x75) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x78) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x79) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x7A) },
@@ -796,6 +812,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6D) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6E) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6F) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x72) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x73) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x74) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x75) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x78) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x79) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x7A) },
@@ -850,6 +870,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6D) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6E) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6F) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x72) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x73) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x74) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x75) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x78) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x79) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x7A) },
@@ -904,6 +928,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6D) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6E) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6F) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x72) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x73) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x74) },
+ { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x75) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x78) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x79) },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7A) },
@@ -1426,6 +1454,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) },
{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) },
{ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 1e6de4cd079d..1e3318dfa1cb 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -361,23 +361,21 @@ static void pl2303_set_termios(struct tty_struct *tty,
0, 0, buf, 7, 100);
dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %7ph\n", i, buf);
- if (C_CSIZE(tty)) {
- switch (C_CSIZE(tty)) {
- case CS5:
- buf[6] = 5;
- break;
- case CS6:
- buf[6] = 6;
- break;
- case CS7:
- buf[6] = 7;
- break;
- default:
- case CS8:
- buf[6] = 8;
- }
- dev_dbg(&port->dev, "data bits = %d\n", buf[6]);
+ switch (C_CSIZE(tty)) {
+ case CS5:
+ buf[6] = 5;
+ break;
+ case CS6:
+ buf[6] = 6;
+ break;
+ case CS7:
+ buf[6] = 7;
+ break;
+ default:
+ case CS8:
+ buf[6] = 8;
}
+ dev_dbg(&port->dev, "data bits = %d\n", buf[6]);
/* For reference buf[0]:buf[3] baud rate value */
pl2303_encode_baudrate(tty, port, &buf[0]);
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 4abac28b5992..5b793c352267 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -348,22 +348,20 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
}
/* Set Data Length : 00:5bit, 01:6bit, 10:7bit, 11:8bit */
- if (cflag & CSIZE) {
- switch (cflag & CSIZE) {
- case CS5:
- buf[1] |= SET_UART_FORMAT_SIZE_5;
- break;
- case CS6:
- buf[1] |= SET_UART_FORMAT_SIZE_6;
- break;
- case CS7:
- buf[1] |= SET_UART_FORMAT_SIZE_7;
- break;
- default:
- case CS8:
- buf[1] |= SET_UART_FORMAT_SIZE_8;
- break;
- }
+ switch (cflag & CSIZE) {
+ case CS5:
+ buf[1] |= SET_UART_FORMAT_SIZE_5;
+ break;
+ case CS6:
+ buf[1] |= SET_UART_FORMAT_SIZE_6;
+ break;
+ case CS7:
+ buf[1] |= SET_UART_FORMAT_SIZE_7;
+ break;
+ default:
+ case CS8:
+ buf[1] |= SET_UART_FORMAT_SIZE_8;
+ break;
}
/* Set Stop bit2 : 0:1bit 1:2bit */
diff --git a/drivers/usb/serial/zte_ev.c b/drivers/usb/serial/zte_ev.c
index fca4c752a4ed..eae2c873b39f 100644
--- a/drivers/usb/serial/zte_ev.c
+++ b/drivers/usb/serial/zte_ev.c
@@ -281,8 +281,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x19d2, 0xfffd) },
{ USB_DEVICE(0x19d2, 0xfffc) },
{ USB_DEVICE(0x19d2, 0xfffb) },
- /* AC2726, AC8710_V3 */
- { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xfff1, 0xff, 0xff, 0xff) },
+ /* AC8710_V3 */
{ USB_DEVICE(0x19d2, 0xfff6) },
{ USB_DEVICE(0x19d2, 0xfff7) },
{ USB_DEVICE(0x19d2, 0xfff8) },
diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index e538b72c4e3a..f14e7929ba22 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -97,18 +97,12 @@ static void wusbhc_devconnect_acked_work(struct work_struct *work);
static void wusb_dev_free(struct wusb_dev *wusb_dev)
{
- if (wusb_dev) {
- kfree(wusb_dev->set_gtk_req);
- usb_free_urb(wusb_dev->set_gtk_urb);
- kfree(wusb_dev);
- }
+ kfree(wusb_dev);
}
static struct wusb_dev *wusb_dev_alloc(struct wusbhc *wusbhc)
{
struct wusb_dev *wusb_dev;
- struct urb *urb;
- struct usb_ctrlrequest *req;
wusb_dev = kzalloc(sizeof(*wusb_dev), GFP_KERNEL);
if (wusb_dev == NULL)
@@ -118,22 +112,6 @@ static struct wusb_dev *wusb_dev_alloc(struct wusbhc *wusbhc)
INIT_WORK(&wusb_dev->devconnect_acked_work, wusbhc_devconnect_acked_work);
- urb = usb_alloc_urb(0, GFP_KERNEL);
- if (urb == NULL)
- goto err;
- wusb_dev->set_gtk_urb = urb;
-
- req = kmalloc(sizeof(*req), GFP_KERNEL);
- if (req == NULL)
- goto err;
- wusb_dev->set_gtk_req = req;
-
- req->bRequestType = USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE;
- req->bRequest = USB_REQ_SET_DESCRIPTOR;
- req->wValue = cpu_to_le16(USB_DT_KEY << 8 | wusbhc->gtk_index);
- req->wIndex = 0;
- req->wLength = cpu_to_le16(wusbhc->gtk.descr.bLength);
-
return wusb_dev;
err:
wusb_dev_free(wusb_dev);
@@ -411,9 +389,6 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
/*
* Refresh the list of keep alives to emit in the MMC
*
- * Some devices don't respond to keep alives unless they've been
- * authenticated, so skip unauthenticated devices.
- *
* We only publish the first four devices that have a coming timeout
* condition. Then when we are done processing those, we go for the
* next ones. We ignore the ones that have timed out already (they'll
@@ -448,7 +423,7 @@ static void __wusbhc_keep_alive(struct wusbhc *wusbhc)
if (wusb_dev == NULL)
continue;
- if (wusb_dev->usb_dev == NULL || !wusb_dev->usb_dev->authenticated)
+ if (wusb_dev->usb_dev == NULL)
continue;
if (time_after(jiffies, wusb_dev->entry_ts + tt)) {
@@ -524,11 +499,19 @@ static struct wusb_dev *wusbhc_find_dev_by_addr(struct wusbhc *wusbhc, u8 addr)
*
* @wusbhc shall be referenced and unlocked
*/
-static void wusbhc_handle_dn_alive(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+static void wusbhc_handle_dn_alive(struct wusbhc *wusbhc, u8 srcaddr)
{
+ struct wusb_dev *wusb_dev;
+
mutex_lock(&wusbhc->mutex);
- wusb_dev->entry_ts = jiffies;
- __wusbhc_keep_alive(wusbhc);
+ wusb_dev = wusbhc_find_dev_by_addr(wusbhc, srcaddr);
+ if (wusb_dev == NULL) {
+ dev_dbg(wusbhc->dev, "ignoring DN_Alive from unconnected device %02x\n",
+ srcaddr);
+ } else {
+ wusb_dev->entry_ts = jiffies;
+ __wusbhc_keep_alive(wusbhc);
+ }
mutex_unlock(&wusbhc->mutex);
}
@@ -582,14 +565,22 @@ static void wusbhc_handle_dn_connect(struct wusbhc *wusbhc,
*
* @wusbhc shall be referenced and unlocked
*/
-static void wusbhc_handle_dn_disconnect(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+static void wusbhc_handle_dn_disconnect(struct wusbhc *wusbhc, u8 srcaddr)
{
struct device *dev = wusbhc->dev;
-
- dev_info(dev, "DN DISCONNECT: device 0x%02x going down\n", wusb_dev->addr);
+ struct wusb_dev *wusb_dev;
mutex_lock(&wusbhc->mutex);
- __wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, wusb_dev->port_idx));
+ wusb_dev = wusbhc_find_dev_by_addr(wusbhc, srcaddr);
+ if (wusb_dev == NULL) {
+ dev_dbg(dev, "ignoring DN DISCONNECT from unconnected device %02x\n",
+ srcaddr);
+ } else {
+ dev_info(dev, "DN DISCONNECT: device 0x%02x going down\n",
+ wusb_dev->addr);
+ __wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc,
+ wusb_dev->port_idx));
+ }
mutex_unlock(&wusbhc->mutex);
}
@@ -611,30 +602,21 @@ void wusbhc_handle_dn(struct wusbhc *wusbhc, u8 srcaddr,
struct wusb_dn_hdr *dn_hdr, size_t size)
{
struct device *dev = wusbhc->dev;
- struct wusb_dev *wusb_dev;
if (size < sizeof(struct wusb_dn_hdr)) {
dev_err(dev, "DN data shorter than DN header (%d < %d)\n",
(int)size, (int)sizeof(struct wusb_dn_hdr));
return;
}
-
- wusb_dev = wusbhc_find_dev_by_addr(wusbhc, srcaddr);
- if (wusb_dev == NULL && dn_hdr->bType != WUSB_DN_CONNECT) {
- dev_dbg(dev, "ignoring DN %d from unconnected device %02x\n",
- dn_hdr->bType, srcaddr);
- return;
- }
-
switch (dn_hdr->bType) {
case WUSB_DN_CONNECT:
wusbhc_handle_dn_connect(wusbhc, dn_hdr, size);
break;
case WUSB_DN_ALIVE:
- wusbhc_handle_dn_alive(wusbhc, wusb_dev);
+ wusbhc_handle_dn_alive(wusbhc, srcaddr);
break;
case WUSB_DN_DISCONNECT:
- wusbhc_handle_dn_disconnect(wusbhc, wusb_dev);
+ wusbhc_handle_dn_disconnect(wusbhc, srcaddr);
break;
case WUSB_DN_MASAVAILCHANGED:
case WUSB_DN_RWAKE:
diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c
index dd88441c8f78..4c40d0dbf53d 100644
--- a/drivers/usb/wusbcore/security.c
+++ b/drivers/usb/wusbcore/security.c
@@ -29,19 +29,16 @@
#include <linux/export.h>
#include "wusbhc.h"
-static void wusbhc_set_gtk_callback(struct urb *urb);
-static void wusbhc_gtk_rekey_done_work(struct work_struct *work);
+static void wusbhc_gtk_rekey_work(struct work_struct *work);
int wusbhc_sec_create(struct wusbhc *wusbhc)
{
wusbhc->gtk.descr.bLength = sizeof(wusbhc->gtk.descr) + sizeof(wusbhc->gtk.data);
wusbhc->gtk.descr.bDescriptorType = USB_DT_KEY;
wusbhc->gtk.descr.bReserved = 0;
+ wusbhc->gtk_index = 0;
- wusbhc->gtk_index = wusb_key_index(0, WUSB_KEY_INDEX_TYPE_GTK,
- WUSB_KEY_INDEX_ORIGINATOR_HOST);
-
- INIT_WORK(&wusbhc->gtk_rekey_done_work, wusbhc_gtk_rekey_done_work);
+ INIT_WORK(&wusbhc->gtk_rekey_work, wusbhc_gtk_rekey_work);
return 0;
}
@@ -113,7 +110,7 @@ int wusbhc_sec_start(struct wusbhc *wusbhc)
wusbhc_generate_gtk(wusbhc);
result = wusbhc->set_gtk(wusbhc, wusbhc->gtk_tkid,
- &wusbhc->gtk.descr.bKeyData, key_size);
+ &wusbhc->gtk.descr.bKeyData, key_size);
if (result < 0)
dev_err(wusbhc->dev, "cannot set GTK for the host: %d\n",
result);
@@ -129,7 +126,7 @@ int wusbhc_sec_start(struct wusbhc *wusbhc)
*/
void wusbhc_sec_stop(struct wusbhc *wusbhc)
{
- cancel_work_sync(&wusbhc->gtk_rekey_done_work);
+ cancel_work_sync(&wusbhc->gtk_rekey_work);
}
@@ -185,12 +182,14 @@ static int wusb_dev_set_encryption(struct usb_device *usb_dev, int value)
static int wusb_dev_set_gtk(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
{
struct usb_device *usb_dev = wusb_dev->usb_dev;
+ u8 key_index = wusb_key_index(wusbhc->gtk_index,
+ WUSB_KEY_INDEX_TYPE_GTK, WUSB_KEY_INDEX_ORIGINATOR_HOST);
return usb_control_msg(
usb_dev, usb_sndctrlpipe(usb_dev, 0),
USB_REQ_SET_DESCRIPTOR,
USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
- USB_DT_KEY << 8 | wusbhc->gtk_index, 0,
+ USB_DT_KEY << 8 | key_index, 0,
&wusbhc->gtk.descr, wusbhc->gtk.descr.bLength,
1000);
}
@@ -520,24 +519,55 @@ error_kzalloc:
* Once all connected and authenticated devices have received the new
* GTK, switch the host to using it.
*/
-static void wusbhc_gtk_rekey_done_work(struct work_struct *work)
+static void wusbhc_gtk_rekey_work(struct work_struct *work)
{
- struct wusbhc *wusbhc = container_of(work, struct wusbhc, gtk_rekey_done_work);
+ struct wusbhc *wusbhc = container_of(work,
+ struct wusbhc, gtk_rekey_work);
size_t key_size = sizeof(wusbhc->gtk.data);
+ int port_idx;
+ struct wusb_dev *wusb_dev, *wusb_dev_next;
+ LIST_HEAD(rekey_list);
mutex_lock(&wusbhc->mutex);
+ /* generate the new key */
+ wusbhc_generate_gtk(wusbhc);
+ /* roll the gtk index. */
+ wusbhc->gtk_index = (wusbhc->gtk_index + 1) % (WUSB_KEY_INDEX_MAX + 1);
+ /*
+ * Save all connected devices on a list while holding wusbhc->mutex and
+ * take a reference to each one. Then submit the set key request to
+ * them after releasing the lock in order to avoid a deadlock.
+ */
+ for (port_idx = 0; port_idx < wusbhc->ports_max; port_idx++) {
+ wusb_dev = wusbhc->port[port_idx].wusb_dev;
+ if (!wusb_dev || !wusb_dev->usb_dev
+ || !wusb_dev->usb_dev->authenticated)
+ continue;
- if (--wusbhc->pending_set_gtks == 0)
- wusbhc->set_gtk(wusbhc, wusbhc->gtk_tkid, &wusbhc->gtk.descr.bKeyData, key_size);
-
+ wusb_dev_get(wusb_dev);
+ list_add_tail(&wusb_dev->rekey_node, &rekey_list);
+ }
mutex_unlock(&wusbhc->mutex);
-}
-static void wusbhc_set_gtk_callback(struct urb *urb)
-{
- struct wusbhc *wusbhc = urb->context;
+ /* Submit the rekey requests without holding wusbhc->mutex. */
+ list_for_each_entry_safe(wusb_dev, wusb_dev_next, &rekey_list,
+ rekey_node) {
+ list_del_init(&wusb_dev->rekey_node);
+ dev_dbg(&wusb_dev->usb_dev->dev, "%s: rekey device at port %d\n",
+ __func__, wusb_dev->port_idx);
+
+ if (wusb_dev_set_gtk(wusbhc, wusb_dev) < 0) {
+ dev_err(&wusb_dev->usb_dev->dev, "%s: rekey device at port %d failed\n",
+ __func__, wusb_dev->port_idx);
+ }
+ wusb_dev_put(wusb_dev);
+ }
- queue_work(wusbd, &wusbhc->gtk_rekey_done_work);
+ /* Switch the host controller to use the new GTK. */
+ mutex_lock(&wusbhc->mutex);
+ wusbhc->set_gtk(wusbhc, wusbhc->gtk_tkid,
+ &wusbhc->gtk.descr.bKeyData, key_size);
+ mutex_unlock(&wusbhc->mutex);
}
/**
@@ -553,26 +583,12 @@ static void wusbhc_set_gtk_callback(struct urb *urb)
*/
void wusbhc_gtk_rekey(struct wusbhc *wusbhc)
{
- static const size_t key_size = sizeof(wusbhc->gtk.data);
- int p;
-
- wusbhc_generate_gtk(wusbhc);
-
- for (p = 0; p < wusbhc->ports_max; p++) {
- struct wusb_dev *wusb_dev;
-
- wusb_dev = wusbhc->port[p].wusb_dev;
- if (!wusb_dev || !wusb_dev->usb_dev || !wusb_dev->usb_dev->authenticated)
- continue;
-
- usb_fill_control_urb(wusb_dev->set_gtk_urb, wusb_dev->usb_dev,
- usb_sndctrlpipe(wusb_dev->usb_dev, 0),
- (void *)wusb_dev->set_gtk_req,
- &wusbhc->gtk.descr, wusbhc->gtk.descr.bLength,
- wusbhc_set_gtk_callback, wusbhc);
- if (usb_submit_urb(wusb_dev->set_gtk_urb, GFP_KERNEL) == 0)
- wusbhc->pending_set_gtks++;
- }
- if (wusbhc->pending_set_gtks == 0)
- wusbhc->set_gtk(wusbhc, wusbhc->gtk_tkid, &wusbhc->gtk.descr.bKeyData, key_size);
+ /*
+ * We need to submit a URB to the downstream WUSB devices in order to
+ * change the group key. This can't be done while holding the
+ * wusbhc->mutex since that is also taken in the urb_enqueue routine
+ * and will cause a deadlock. Instead, queue a work item to do
+ * it when the lock is not held
+ */
+ queue_work(wusbd, &wusbhc->gtk_rekey_work);
}
diff --git a/drivers/usb/wusbcore/wusbhc.h b/drivers/usb/wusbcore/wusbhc.h
index 711b1952b114..6bd3b819a6b5 100644
--- a/drivers/usb/wusbcore/wusbhc.h
+++ b/drivers/usb/wusbcore/wusbhc.h
@@ -97,6 +97,7 @@ struct wusb_dev {
struct kref refcnt;
struct wusbhc *wusbhc;
struct list_head cack_node; /* Connect-Ack list */
+ struct list_head rekey_node; /* GTK rekey list */
u8 port_idx;
u8 addr;
u8 beacon_type:4;
@@ -107,8 +108,6 @@ struct wusb_dev {
struct usb_wireless_cap_descriptor *wusb_cap_descr;
struct uwb_mas_bm availability;
struct work_struct devconnect_acked_work;
- struct urb *set_gtk_urb;
- struct usb_ctrlrequest *set_gtk_req;
struct usb_device *usb_dev;
};
@@ -296,8 +295,7 @@ struct wusbhc {
} __attribute__((packed)) gtk;
u8 gtk_index;
u32 gtk_tkid;
- struct work_struct gtk_rekey_done_work;
- int pending_set_gtks;
+ struct work_struct gtk_rekey_work;
struct usb_encryption_descriptor *ccm1_etd;
};
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 8521051cf946..cd961622f9c1 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -131,6 +131,7 @@ static const struct platform_device_id atmel_lcdfb_devtypes[] = {
/* terminator */
}
};
+MODULE_DEVICE_TABLE(platform, atmel_lcdfb_devtypes);
static struct atmel_lcdfb_config *
atmel_lcdfb_get_config(struct platform_device *pdev)
diff --git a/drivers/video/kyro/fbdev.c b/drivers/video/kyro/fbdev.c
index 50c857477e4f..65041e15fd59 100644
--- a/drivers/video/kyro/fbdev.c
+++ b/drivers/video/kyro/fbdev.c
@@ -624,15 +624,15 @@ static int kyrofb_ioctl(struct fb_info *info,
return -EINVAL;
}
case KYRO_IOCTL_UVSTRIDE:
- if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(unsigned long)))
+ if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(deviceInfo.ulOverlayUVStride)))
return -EFAULT;
break;
case KYRO_IOCTL_STRIDE:
- if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(unsigned long)))
+ if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(deviceInfo.ulOverlayStride)))
return -EFAULT;
break;
case KYRO_IOCTL_OVERLAY_OFFSET:
- if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(unsigned long)))
+ if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(deviceInfo.ulOverlayOffset)))
return -EFAULT;
break;
}
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index 9dbea2223401..7d44d669d5b6 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -91,6 +91,15 @@ extern boot_infos_t *boot_infos;
#define AVIVO_DC_LUTB_WHITE_OFFSET_GREEN 0x6cd4
#define AVIVO_DC_LUTB_WHITE_OFFSET_RED 0x6cd8
+#define FB_RIGHT_POS(p, bpp) (fb_be_math(p) ? 0 : (32 - (bpp)))
+
+static inline u32 offb_cmap_byteswap(struct fb_info *info, u32 value)
+{
+ u32 bpp = info->var.bits_per_pixel;
+
+ return cpu_to_be32(value) >> FB_RIGHT_POS(info, bpp);
+}
+
/*
* Set a single color register. The values supplied are already
* rounded down to the hardware's capabilities (according to the
@@ -120,7 +129,7 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
mask <<= info->var.transp.offset;
value |= mask;
}
- pal[regno] = value;
+ pal[regno] = offb_cmap_byteswap(info, value);
return 0;
}
@@ -301,7 +310,7 @@ static struct fb_ops offb_ops = {
static void __iomem *offb_map_reg(struct device_node *np, int index,
unsigned long offset, unsigned long size)
{
- const u32 *addrp;
+ const __be32 *addrp;
u64 asize, taddr;
unsigned int flags;
@@ -369,7 +378,11 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp
}
of_node_put(pciparent);
} else if (dp && of_device_is_compatible(dp, "qemu,std-vga")) {
- const u32 io_of_addr[3] = { 0x01000000, 0x0, 0x0 };
+#ifdef __BIG_ENDIAN
+ const __be32 io_of_addr[3] = { 0x01000000, 0x0, 0x0 };
+#else
+ const __be32 io_of_addr[3] = { 0x00000001, 0x0, 0x0 };
+#endif
u64 io_addr = of_translate_address(dp, io_of_addr);
if (io_addr != OF_BAD_ADDR) {
par->cmap_adr = ioremap(io_addr + 0x3c8, 2);
@@ -535,7 +548,7 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
unsigned int flags, rsize, addr_prop = 0;
unsigned long max_size = 0;
u64 rstart, address = OF_BAD_ADDR;
- const u32 *pp, *addrp, *up;
+ const __be32 *pp, *addrp, *up;
u64 asize;
int foreign_endian = 0;
@@ -551,25 +564,25 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
if (pp == NULL)
pp = of_get_property(dp, "depth", &len);
if (pp && len == sizeof(u32))
- depth = *pp;
+ depth = be32_to_cpup(pp);
pp = of_get_property(dp, "linux,bootx-width", &len);
if (pp == NULL)
pp = of_get_property(dp, "width", &len);
if (pp && len == sizeof(u32))
- width = *pp;
+ width = be32_to_cpup(pp);
pp = of_get_property(dp, "linux,bootx-height", &len);
if (pp == NULL)
pp = of_get_property(dp, "height", &len);
if (pp && len == sizeof(u32))
- height = *pp;
+ height = be32_to_cpup(pp);
pp = of_get_property(dp, "linux,bootx-linebytes", &len);
if (pp == NULL)
pp = of_get_property(dp, "linebytes", &len);
if (pp && len == sizeof(u32) && (*pp != 0xffffffffu))
- pitch = *pp;
+ pitch = be32_to_cpup(pp);
else
pitch = width * ((depth + 7) / 8);
diff --git a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
index e6d56f714ae4..d94f35dbd536 100644
--- a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
+++ b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c
@@ -526,6 +526,8 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
struct omap_dss_device *in = ddata->in;
int r;
+ mutex_lock(&ddata->mutex);
+
dev_dbg(&ddata->spi->dev, "%s\n", __func__);
in->ops.sdi->set_timings(in, &ddata->videomode);
@@ -614,10 +616,7 @@ static int acx565akm_enable(struct omap_dss_device *dssdev)
if (omapdss_device_is_enabled(dssdev))
return 0;
- mutex_lock(&ddata->mutex);
r = acx565akm_panel_power_on(dssdev);
- mutex_unlock(&ddata->mutex);
-
if (r)
return r;
diff --git a/drivers/video/sh_mobile_meram.c b/drivers/video/sh_mobile_meram.c
index e0f098562a74..a297de5cc859 100644
--- a/drivers/video/sh_mobile_meram.c
+++ b/drivers/video/sh_mobile_meram.c
@@ -569,6 +569,7 @@ EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_update);
* Power management
*/
+#if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM_RUNTIME)
static int sh_mobile_meram_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -611,6 +612,7 @@ static int sh_mobile_meram_resume(struct device *dev)
meram_write_reg(priv->base, common_regs[i], priv->regs[i]);
return 0;
}
+#endif /* CONFIG_PM_SLEEP || CONFIG_PM_RUNTIME */
static UNIVERSAL_DEV_PM_OPS(sh_mobile_meram_dev_pm_ops,
sh_mobile_meram_suspend,
diff --git a/drivers/video/vt8500lcdfb.c b/drivers/video/vt8500lcdfb.c
index b30e5a439d1f..a8f2b280f796 100644
--- a/drivers/video/vt8500lcdfb.c
+++ b/drivers/video/vt8500lcdfb.c
@@ -293,8 +293,7 @@ static int vt8500lcd_probe(struct platform_device *pdev)
+ sizeof(u32) * 16, GFP_KERNEL);
if (!fbi) {
dev_err(&pdev->dev, "Failed to initialize framebuffer device\n");
- ret = -ENOMEM;
- goto failed;
+ return -ENOMEM;
}
strcpy(fbi->fb.fix.id, "VT8500 LCD");
@@ -327,15 +326,13 @@ static int vt8500lcd_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no I/O memory resource defined\n");
- ret = -ENODEV;
- goto failed_fbi;
+ return -ENODEV;
}
res = request_mem_region(res->start, resource_size(res), "vt8500lcd");
if (res == NULL) {
dev_err(&pdev->dev, "failed to request I/O memory\n");
- ret = -EBUSY;
- goto failed_fbi;
+ return -EBUSY;
}
fbi->regbase = ioremap(res->start, resource_size(res));
@@ -346,17 +343,19 @@ static int vt8500lcd_probe(struct platform_device *pdev)
}
disp_timing = of_get_display_timings(pdev->dev.of_node);
- if (!disp_timing)
- return -EINVAL;
+ if (!disp_timing) {
+ ret = -EINVAL;
+ goto failed_free_io;
+ }
ret = of_get_fb_videomode(pdev->dev.of_node, &of_mode,
OF_USE_NATIVE_MODE);
if (ret)
- return ret;
+ goto failed_free_io;
ret = of_property_read_u32(pdev->dev.of_node, "bits-per-pixel", &bpp);
if (ret)
- return ret;
+ goto failed_free_io;
/* try allocating the framebuffer */
fb_mem_len = of_mode.xres * of_mode.yres * 2 * (bpp / 8);
@@ -364,7 +363,8 @@ static int vt8500lcd_probe(struct platform_device *pdev)
GFP_KERNEL);
if (!fb_mem_virt) {
pr_err("%s: Failed to allocate framebuffer\n", __func__);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto failed_free_io;
}
fbi->fb.fix.smem_start = fb_mem_phys;
@@ -447,9 +447,6 @@ failed_free_io:
iounmap(fbi->regbase);
failed_free_res:
release_mem_region(res->start, resource_size(res));
-failed_fbi:
- kfree(fbi);
-failed:
return ret;
}
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index c444654fc33f..5c4a95b516cf 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -285,7 +285,7 @@ static void update_balloon_size(struct virtio_balloon *vb)
{
__le32 actual = cpu_to_le32(vb->num_pages);
- virtio_cwrite(vb->vdev, struct virtio_balloon_config, num_pages,
+ virtio_cwrite(vb->vdev, struct virtio_balloon_config, actual,
&actual);
}
diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c
index a6a2cebb2587..cafa973c43be 100644
--- a/drivers/watchdog/bcm2835_wdt.c
+++ b/drivers/watchdog/bcm2835_wdt.c
@@ -19,7 +19,6 @@
#include <linux/watchdog.h>
#include <linux/platform_device.h>
#include <linux/of_address.h>
-#include <linux/miscdevice.h>
#define PM_RSTC 0x1c
#define PM_WDOG 0x24
diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c
index 833e81311848..d1d07f2f69df 100644
--- a/drivers/watchdog/ep93xx_wdt.c
+++ b/drivers/watchdog/ep93xx_wdt.c
@@ -28,7 +28,6 @@
#include <linux/platform_device.h>
#include <linux/module.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/timer.h>
#include <linux/io.h>
diff --git a/drivers/watchdog/ie6xx_wdt.c b/drivers/watchdog/ie6xx_wdt.c
index 70a240297c6d..07f88f54e5c0 100644
--- a/drivers/watchdog/ie6xx_wdt.c
+++ b/drivers/watchdog/ie6xx_wdt.c
@@ -28,7 +28,6 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/watchdog.h>
-#include <linux/miscdevice.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/uaccess.h>
diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index 2de486a7eea1..3aa50cfa335f 100644
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -17,7 +17,6 @@
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/platform_device.h>
diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c
index a1a3638c579c..20dc73844737 100644
--- a/drivers/watchdog/kempld_wdt.c
+++ b/drivers/watchdog/kempld_wdt.c
@@ -26,7 +26,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/miscdevice.h>
#include <linux/uaccess.h>
#include <linux/watchdog.h>
#include <linux/platform_device.h>
diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c
index 6d4f3998e1f6..bdb3f4a5b27c 100644
--- a/drivers/watchdog/max63xx_wdt.c
+++ b/drivers/watchdog/max63xx_wdt.c
@@ -19,7 +19,6 @@
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/bitops.h>
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index 44edca66d564..f7722a424676 100644
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -16,7 +16,6 @@
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/miscdevice.h>
#include <linux/platform_device.h>
#include <linux/watchdog.h>
#include <linux/init.h>
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index 1bdcc313e1d9..5bec20f5dc2d 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -23,7 +23,6 @@
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/platform_device.h>
diff --git a/drivers/watchdog/rt2880_wdt.c b/drivers/watchdog/rt2880_wdt.c
index 53d37fea183e..d92c2d5859ce 100644
--- a/drivers/watchdog/rt2880_wdt.c
+++ b/drivers/watchdog/rt2880_wdt.c
@@ -16,7 +16,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/watchdog.h>
-#include <linux/miscdevice.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c
index 3b9fff9dcf65..131193a7acdf 100644
--- a/drivers/watchdog/sc1200wdt.c
+++ b/drivers/watchdog/sc1200wdt.c
@@ -409,8 +409,9 @@ static int __init sc1200wdt_init(void)
#if defined CONFIG_PNP
/* now that the user has specified an IO port and we haven't detected
* any devices, disable pnp support */
+ if (isapnp)
+ pnp_unregister_driver(&scl200wdt_pnp_driver);
isapnp = 0;
- pnp_unregister_driver(&scl200wdt_pnp_driver);
#endif
if (!request_region(io, io_len, SC1200_MODULE_NAME)) {
diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index f9b8e06f3558..af3528f84d65 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -26,7 +26,6 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/spinlock.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/pm_runtime.h>
#include <linux/fs.h>
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c
index ef2638fee4a8..c04a1aa158e2 100644
--- a/drivers/watchdog/softdog.c
+++ b/drivers/watchdog/softdog.c
@@ -42,7 +42,6 @@
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/timer.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
diff --git a/drivers/watchdog/stmp3xxx_rtc_wdt.c b/drivers/watchdog/stmp3xxx_rtc_wdt.c
index d667f6b51d35..bb64ae3f47da 100644
--- a/drivers/watchdog/stmp3xxx_rtc_wdt.c
+++ b/drivers/watchdog/stmp3xxx_rtc_wdt.c
@@ -12,7 +12,6 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/platform_device.h>
#include <linux/stmp3xxx_rtc_wdt.h>
diff --git a/drivers/watchdog/txx9wdt.c b/drivers/watchdog/txx9wdt.c
index 0fd0e8ae62a8..6a447e321dd0 100644
--- a/drivers/watchdog/txx9wdt.c
+++ b/drivers/watchdog/txx9wdt.c
@@ -13,7 +13,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
-#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/platform_device.h>
diff --git a/drivers/watchdog/ux500_wdt.c b/drivers/watchdog/ux500_wdt.c
index e029b5768f2c..5aed9d7ad47e 100644
--- a/drivers/watchdog/ux500_wdt.c
+++ b/drivers/watchdog/ux500_wdt.c
@@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
-#include <linux/miscdevice.h>
#include <linux/err.h>
#include <linux/uaccess.h>
#include <linux/watchdog.h>
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 55ea73f7c70b..4c02e2b94103 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -350,17 +350,19 @@ static enum bp_state increase_reservation(unsigned long nr_pages)
pfn = page_to_pfn(page);
- set_phys_to_machine(pfn, frame_list[i]);
-
#ifdef CONFIG_XEN_HAVE_PVMMU
- /* Link back into the page tables if not highmem. */
- if (xen_pv_domain() && !PageHighMem(page)) {
- int ret;
- ret = HYPERVISOR_update_va_mapping(
- (unsigned long)__va(pfn << PAGE_SHIFT),
- mfn_pte(frame_list[i], PAGE_KERNEL),
- 0);
- BUG_ON(ret);
+ if (!xen_feature(XENFEAT_auto_translated_physmap)) {
+ set_phys_to_machine(pfn, frame_list[i]);
+
+ /* Link back into the page tables if not highmem. */
+ if (!PageHighMem(page)) {
+ int ret;
+ ret = HYPERVISOR_update_va_mapping(
+ (unsigned long)__va(pfn << PAGE_SHIFT),
+ mfn_pte(frame_list[i], PAGE_KERNEL),
+ 0);
+ BUG_ON(ret);
+ }
}
#endif
@@ -378,7 +380,6 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
enum bp_state state = BP_DONE;
unsigned long pfn, i;
struct page *page;
- struct page *scratch_page;
int ret;
struct xen_memory_reservation reservation = {
.address_bits = 0,
@@ -411,27 +412,29 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
scrub_page(page);
+#ifdef CONFIG_XEN_HAVE_PVMMU
/*
* Ballooned out frames are effectively replaced with
* a scratch frame. Ensure direct mappings and the
* p2m are consistent.
*/
- scratch_page = get_balloon_scratch_page();
-#ifdef CONFIG_XEN_HAVE_PVMMU
- if (xen_pv_domain() && !PageHighMem(page)) {
- ret = HYPERVISOR_update_va_mapping(
- (unsigned long)__va(pfn << PAGE_SHIFT),
- pfn_pte(page_to_pfn(scratch_page),
- PAGE_KERNEL_RO), 0);
- BUG_ON(ret);
- }
-#endif
if (!xen_feature(XENFEAT_auto_translated_physmap)) {
unsigned long p;
+ struct page *scratch_page = get_balloon_scratch_page();
+
+ if (!PageHighMem(page)) {
+ ret = HYPERVISOR_update_va_mapping(
+ (unsigned long)__va(pfn << PAGE_SHIFT),
+ pfn_pte(page_to_pfn(scratch_page),
+ PAGE_KERNEL_RO), 0);
+ BUG_ON(ret);
+ }
p = page_to_pfn(scratch_page);
__set_phys_to_machine(pfn, pfn_to_mfn(p));
+
+ put_balloon_scratch_page();
}
- put_balloon_scratch_page();
+#endif
balloon_append(pfn_to_page(pfn));
}
@@ -627,15 +630,17 @@ static int __init balloon_init(void)
if (!xen_domain())
return -ENODEV;
- for_each_online_cpu(cpu)
- {
- per_cpu(balloon_scratch_page, cpu) = alloc_page(GFP_KERNEL);
- if (per_cpu(balloon_scratch_page, cpu) == NULL) {
- pr_warn("Failed to allocate balloon_scratch_page for cpu %d\n", cpu);
- return -ENOMEM;
+ if (!xen_feature(XENFEAT_auto_translated_physmap)) {
+ for_each_online_cpu(cpu)
+ {
+ per_cpu(balloon_scratch_page, cpu) = alloc_page(GFP_KERNEL);
+ if (per_cpu(balloon_scratch_page, cpu) == NULL) {
+ pr_warn("Failed to allocate balloon_scratch_page for cpu %d\n", cpu);
+ return -ENOMEM;
+ }
}
+ register_cpu_notifier(&balloon_cpu_notifier);
}
- register_cpu_notifier(&balloon_cpu_notifier);
pr_info("Initialising balloon driver\n");
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 62ccf5424ba8..aa846a48f400 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -930,9 +930,10 @@ int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops,
ret = m2p_add_override(mfn, pages[i], kmap_ops ?
&kmap_ops[i] : NULL);
if (ret)
- return ret;
+ goto out;
}
+ out:
if (lazy)
arch_leave_lazy_mmu_mode();
@@ -969,9 +970,10 @@ int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops,
ret = m2p_remove_override(pages[i], kmap_ops ?
&kmap_ops[i] : NULL);
if (ret)
- return ret;
+ goto out;
}
+ out:
if (lazy)
arch_leave_lazy_mmu_mode();
@@ -1174,7 +1176,8 @@ static int gnttab_setup(void)
gnttab_shared.addr = xen_remap(xen_hvm_resume_frames,
PAGE_SIZE * max_nr_gframes);
if (gnttab_shared.addr == NULL) {
- pr_warn("Failed to ioremap gnttab share frames!\n");
+ pr_warn("Failed to ioremap gnttab share frames (addr=0x%08lx)!\n",
+ xen_hvm_resume_frames);
return -ENOMEM;
}
}
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 8e74590fa1bb..569a13b9e856 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -533,12 +533,17 @@ static void privcmd_close(struct vm_area_struct *vma)
{
struct page **pages = vma->vm_private_data;
int numpgs = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+ int rc;
if (!xen_feature(XENFEAT_auto_translated_physmap) || !numpgs || !pages)
return;
- xen_unmap_domain_mfn_range(vma, numpgs, pages);
- free_xenballooned_pages(numpgs, pages);
+ rc = xen_unmap_domain_mfn_range(vma, numpgs, pages);
+ if (rc == 0)
+ free_xenballooned_pages(numpgs, pages);
+ else
+ pr_crit("unable to unmap MFN range: leaking %d pages. rc=%d\n",
+ numpgs, rc);
kfree(pages);
}
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index a224bc74b6b9..1eac0731c349 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -555,6 +555,11 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
sg_dma_len(sgl) = 0;
return 0;
}
+ xen_dma_map_page(hwdev, pfn_to_page(map >> PAGE_SHIFT),
+ map & ~PAGE_MASK,
+ sg->length,
+ dir,
+ attrs);
sg->dma_address = xen_phys_to_bus(map);
} else {
/* we are not interested in the dma_addr returned by