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This reverts commit cc8ed76938b5cf6a54ab3d60edabaf808dc960d1
("soc: mediatek: SCPSYS: Fix double enabling of regulators") [1].
This patch fixes mt8173-evb failing boot issue. With commit [1],
genpd state will not sync to real power domain state. So some
resources such as clocks and regulators may stay in a wrong state.
There is no regulator double enabling issue on mainline kernel, so
we can refert commit [1] safely.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Driver updates for ARM SoCs, these contain various things that touch
the drivers/ directory but got merged through arm-soc for practical
reasons:
- Rockchip rk3368 gains power domain support
- Small updates for the ARM spmi driver
- The Atmel PMC driver saw a larger rework, touching both
arch/arm/mach-at91 and drivers/clk/at91
- All reset controller driver changes alway get merged through
arm-soc, though this time the largest change is the addition of a
MIPS pistachio reset driver
- One bugfix for the NXP (formerly Freescale) i.MX weim bus driver"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
bus: imx-weim: Take the 'status' property value into account
clk: at91: remove useless includes
clk: at91: pmc: remove useless capacities handling
clk: at91: pmc: drop at91_pmc_base
usb: gadget: atmel: access the PMC using regmap
ARM: at91: remove useless includes and function prototypes
ARM: at91: pm: move idle functions to pm.c
ARM: at91: pm: find and remap the pmc
ARM: at91: pm: simply call at91_pm_init
clk: at91: pmc: move pmc structures to C file
clk: at91: pmc: merge at91_pmc_init in atmel_pmc_probe
clk: at91: remove IRQ handling and use polling
clk: at91: make use of syscon/regmap internally
clk: at91: make use of syscon to share PMC registers in several drivers
hwmon: (scpi) add energy meter support
firmware: arm_scpi: add support for 64-bit sensor values
firmware: arm_scpi: decrease Tx timeout to 20ms
firmware: arm_scpi: fix send_message and sensor_get_value for big-endian
reset: sti: Make reset_control_ops const
reset: zynq: Make reset_control_ops const
...
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/drivers
Merge "Allwinner drivers changes for 4.6" from Maxime Ripard:
Some minor fixes for the RSB and SRAM controller drivers
* tag 'sunxi-drivers-for-4.6' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drivers: soc: sunxi: Fix mask generation for SRAM mapping
drivers: sunxi-rsb: fix error output type
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GENMASK is inclusive on both ends, therefor one has to be
subtracted from the width.
Also fixes the mask for debug output.
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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If we fail to probe the driver, we should not directly break
from the for_each_available_child_of_node since it calls of_node_get
while iterating. This patch add of_node_put to fix the unbalanced
call pair.
Fixes: 7c696693a4f5 ("soc: rockchip: power-domain: Add power domain driver")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This driver is modified to support RK3368 SoC.
Signed-off-by: zhangqing <zhangqing@rock-chips.com>
Reviewed-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"Newly added support for additional SoCs:
- Axis Artpec-6 SoC family
- Allwinner A83T SoC
- Mediatek MT7623
- NXP i.MX6QP SoC
- ST Microelectronics stm32f469 microcontroller
New features:
- SMP support for Mediatek mt2701
- Big-endian support for NXP i.MX
- DaVinci now uses the new DMA engine dma_slave_map
- OMAP now uses the new DMA engine dma_slave_map
- earlyprintk support for palmchip uart on mach-tango
- delay timer support for orion
Other:
- Exynos PMU driver moved out to drivers/soc/
- Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP,
uniphier"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: uniphier: rework SMP code to support new System Bus binding
ARM: uniphier: add missing of_node_put()
ARM: at91: avoid defining CONFIG_* symbols in source code
ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
ARM: imx: Make reset_control_ops const
ARM: imx: Do L2 errata only if the L2 cache isn't enabled
ARM: imx: select ARM_CPU_SUSPEND only for imx6
dmaengine: pxa_dma: fix the maximum requestor line
ARM: alpine: select the Alpine MSI controller driver
ARM: pxa: add the number of DMA requestor lines
dmaengine: mmp-pdma: add number of requestors
dma: mmp_pdma: Add the #dma-requests DT property documentation
ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
ARM: s3c24xx: Avoid warning for inb/outb
ARM: zynq: Move early printk virtual address to vmalloc area
ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
ARM: SAMSUNG: Remove unused register offset definition
ARM: EXYNOS: Cleanup header files inclusion
drivers: soc: samsung: Enable COMPILE_TEST
MAINTAINERS: Add maintainers entry for drivers/soc/samsung
...
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git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/soc
Samsung Exynos (and older platforms) improvements for v4.6:
1. Split out Exynos PMU driver implementation from arm/mach-exynos
to the drivers/soc/samsung which will allow re-use of it on ARM64.
2. Use generic DT cpufreq driver on Exynos542x/5800.
3. Minor cleanups.
* tag 'samsung-soc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: s3c24xx: Avoid warning for inb/outb
ARM: SAMSUNG: Remove unused register offset definition
ARM: EXYNOS: Cleanup header files inclusion
drivers: soc: samsung: Enable COMPILE_TEST
MAINTAINERS: Add maintainers entry for drivers/soc/samsung
drivers: soc: Add support for Exynos PMU driver
ARM: EXYNOS: Split up exynos5420 SoC specific PMU data
ARM: EXYNOS: Split up exynos5250 SoC specific PMU data
ARM: EXYNOS: Split up exynos4 SoC specific PMU data
ARM: EXYNOS: Split up exynos3250 SoC specific PMU data
ARM: EXYNOS: Move pmu specific headers under "linux/soc/samsung"
ARM: EXYNOS: Correct header comment in Kconfig file
ARM: EXYNOS: Use generic cpufreq driver for Exynos5422/5800
ARM: EXYNOS: Use generic cpufreq driver for Exynos5420
ARM: s3c64xx: use "depends on" instead of "if" after prompt
ARM: plat-samsung: use to_platform_device()
ARM: EXYNOS: Code cleanup in map.h
ARM: EXYNOS: Remove unused static mapping of CMU for exynos5
Signed-off-by: Olof Johansson <olof@lixom.net>
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Get some build coverage of Exynos PMU driver. It depends on
asm/cputype.h so its compilation is limited to ARM architectures.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
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This patch moves Exynos PMU driver implementation from "arm/mach-exynos"
to "drivers/soc/samsung". This driver is mainly used for setting misc
bits of register from PMU IP of Exynos SoC which will be required to
configure before Suspend/Resume. Currently all these settings are done
in "arch/arm/mach-exynos/pmu.c" but moving ahead for ARM64 based SoC
support, there is a need of this PMU driver in driver/* folder.
This driver uses existing DT binding information and there should
be no functionality change in the supported platforms.
Signed-off-by: Amit Daniel Kachhap <amitdanielk@gmail.com>
[tested on Peach-Pi (Exynos5880)]
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[for testing on Trats2 (Exynos4412) and Odroid XU3 (Exynos5422)]
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[k.kozlowski: Rebased, add necessary infrastructure for building and
selecting drivers/soc because original patchset was on top of movement
SROMc to drivers/soc]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
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With CONFIG_PM enabled do not call genpd->power_on manually as this
will cause the regulators being turned on once in SCPSYS probe and
then again when the genpd core turns on the domains. Instead, call
genpd->power_on only with CONFIG_PM disabled and tell the genpd core
that the domains are disabled when registered.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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SCPSYS can't be built as module. Use builtin_platform_driver instead.
For this probe must not be __init and the data accessed can't be
__initconst. Remove this macros. To make the impact as small as possible,
fold scp_domain_data into scp_domain via a pointer.
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Reported-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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Since STAUPD interrupts aren't handled on mt8173, disable watchdog timeout
monitor of STAUPD to avoid WDT_INT triggered by STAUPD.
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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FSM_VLDCLR state.
Sometimes PMIC is too busy to send data in time to cause pmic wrap timeout,
because pmic wrap is waiting for FSM_VLDCLR after finishing WACS2_CMD. It
just return error when issue happened, so the state machine will stay on
FSM_VLDCLR state when data send back later by PMIC and timeout again in next
time because pmic wrap waiting for FSM_IDLE state at the beginning of the
read/write function.
Clear the vldclr when timeout if state machine stay on FSM_VLDCLR.
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Tested-by: Ricky Liang <jcliang@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-urgent fixes from Arnd Bergmann:
"As usual, we queue up a few fixes that don't seem urgent enough to go
in through -rc.
- a number of randconfig warning fixes from Arnd
- various small fixes for OMAP
- one somewhat larger patch to restore the OMAP3 cpuidle tuning that
was lost in a cleanup
- a small regression fix for cns3xxx PCI"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
CNS3xxx: Fix PCI cns3xxx_write_config()
MAINTAINERS: unify email addrs for Kevin Hilman
CNS3xxx: remove unused *_VIRT definitions
ARM: OMAP2+: Fix hwmod clock for l4_ls
soc: TI knav_qmss: fix dma_addr_t printing
ARM: prima2: always enable reset controller
ARM: socfpga: hide unused functions
ARM: ux500: fix ureachable iounmap()
ARM: ks8695: fix __initdata annotation
ARM: mvebu: mark mvebu_hwcc_pci_nb as __maybe_unused
ARM: mv78xx0: avoid unused function warning
ARM: orion: only select I2C_BOARDINFO when using I2C
ARM: OMAP2+: Fix out of range register access with syscon_config.max_register
ARM: OMAP3: Add cpuidle parameters table for omap3430
ARM: davinci: make I2C support optional
ARM: davinci: DA8xx+DMx combined kernels need PATCH_PHYS_VIRT
ARM: davinci: avoid unused mityomapl138_pn_info variable
ARM: davinci: limit DT support to DA850
ARM: DRA7: hwmod: Add reset data for PCIe
ARM: DRA7: hwmod: Fix OCP2SCP sysconfig
...
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The knav_qmss driver is currently broken when CONFIG_LPAE is
set, which is a bit surprising because I'd expect that any serious
users of this platforms would have more than 2GB of RAM and require
LPAE.
The compiler clearly warns about an incorrect use of dma_addr_t
in the debug kernel messages:
ti/knav_qmss_queue.c: In function 'knav_queue_setup_region':
ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 9 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 10 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
ti/knav_qmss_queue.c: In function 'knav_queue_setup_link_ram':
ti/knav_qmss_queue.c:1175:118: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
This patch changes all the debugging output to use the correct
%pad format string that works with both 32-bit and 64-bit dma_addr_t.
As the variable naming is somewhat confusing here, I also change
all *_phys names to *_dma when they refer to bus addresses that
are used for DMA rather than a physical memory address as seen from
the CPU. This is particularly important on keystone, because the
two things are not the same there.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"This was delayed a day or two by some build-breakage on old toolchains
which we've now fixed.
There's two PCI commits both acked by Bjorn.
There's one commit to mm/hugepage.c which is (co)authored by Kirill.
Highlights:
- Restructure Linux PTE on Book3S/64 to Radix format from Paul
Mackerras
- Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh
Kumar K.V
- Add POWER9 cputable entry from Michael Neuling
- FPU/Altivec/VSX save/restore optimisations from Cyril Bur
- Add support for new ftrace ABI on ppc64le from Torsten Duwe
Various cleanups & minor fixes from:
- Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy,
Cyril Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell
Currey, Sukadev Bhattiprolu, Suraj Jitindar Singh.
General:
- atomics: Allow architectures to define their own __atomic_op_*
helpers from Boqun Feng
- Implement atomic{, 64}_*_return_* variants and acquire/release/
relaxed variants for (cmp)xchg from Boqun Feng
- Add powernv_defconfig from Jeremy Kerr
- Fix BUG_ON() reporting in real mode from Balbir Singh
- Add xmon command to dump OPAL msglog from Andrew Donnellan
- Add xmon command to dump process/task similar to ps(1) from Douglas
Miller
- Clean up memory hotplug failure paths from David Gibson
pci/eeh:
- Redesign SR-IOV on PowerNV to give absolute isolation between VFs
from Wei Yang.
- EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
- PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
- PCI: Add pcibios_bus_add_device() weak function from Wei Yang
- MAINTAINERS: Update EEH details and maintainership from Russell
Currey
cxl:
- Support added to the CXL driver for running on both bare-metal and
hypervisor systems, from Christophe Lombard and Frederic Barrat.
- Ignore probes for virtual afu pci devices from Vaibhav Jain
perf:
- Export Power8 generic and cache events to sysfs from Sukadev
Bhattiprolu
- hv-24x7: Fix usage with chip events, display change in counter
values, display domain indices in sysfs, eliminate domain suffix in
event names, from Sukadev Bhattiprolu
Freescale:
- Updates from Scott: "Highlights include 8xx optimizations, 32-bit
checksum optimizations, 86xx consolidation, e5500/e6500 cpu
hotplug, more fman and other dt bits, and minor fixes/cleanup"
* tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
powerpc: Fix unrecoverable SLB miss during restore_math()
powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers
powerpc/rcpm: Fix build break when SMP=n
powerpc/book3e-64: Use hardcoded mttmr opcode
powerpc/fsl/dts: Add "jedec,spi-nor" flash compatible
powerpc/T104xRDB: add tdm riser card node to device tree
powerpc32: PAGE_EXEC required for inittext
powerpc/mpc85xx: Add pcsphy nodes to FManV3 device tree
powerpc/mpc85xx: Add MDIO bus muxing support to the board device tree(s)
powerpc/86xx: Introduce and use common dtsi
powerpc/86xx: Update device tree
powerpc/86xx: Move dts files to fsl directory
powerpc/86xx: Switch to kconfig fragments approach
powerpc/86xx: Update defconfigs
powerpc/86xx: Consolidate common platform code
powerpc32: Remove one insn in mulhdu
powerpc32: small optimisation in flush_icache_range()
powerpc: Simplify test in __dma_sync()
powerpc32: move xxxxx_dcache_range() functions inline
powerpc32: Remove clear_pages() and define clear_page() inline
...
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cpm_muram_alloc_common is called twice and both the times
spin_lock_irqsave is held.
Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause
deadlock
Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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as cpm_muram_alloc_common is used only in this file,
making it static
Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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127 is the theoretical up boundary of QEIC number,
in fact there only be 44 qe_ic_info now.
add check to overflow for qe_ic_info
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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As we want gpio_chip .get() calls to be able to return negative
error codes and propagate to drivers, we need to go over all
drivers and make sure their return values are clamped to [0,1].
We do this by using the ret = !!(val) design pattern.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC support for Tegra platforms from Olof Johansson:
"Here's a single-SoC topic branch that we've staged separately. Mainly
because it was hard to sort the branch contents in a way that fit our
existing branches due to some refactorings.
The code has been in -next for quite a while, but we staged it in
arm-soc a bit late, which is why we've kept it separate from the other
updates and are sending it separately here"
* tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: tegra: Add NVIDIA Jetson TX1 Developer Kit support
arm64: tegra: Add NVIDIA P2597 I/O board support
arm64: tegra: Add NVIDIA Jetson TX1 support
arm64: tegra: Add NVIDIA P2571 board support
arm64: tegra: Add NVIDIA P2371 board support
arm64: tegra: Add NVIDIA P2595 I/O board support
arm64: tegra: Add NVIDIA P2530 main board support
arm64: tegra: Add Tegra210 support
arm64: tegra: Add NVIDIA Tegra132 Norrin support
arm64: tegra: Add Tegra132 support
ARM: tegra: select USB_ULPI from EHCI rather than platform
ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
amba: Hide TEGRA_AHB symbol
soc/tegra: Add Tegra210 support
soc/tegra: Provide per-SoC Kconfig symbols
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into late/tegra
ARM: tegra: Core SoC changes for v4.5-rc1
The big thing here is Tegra210 support, which is really only the Kconfig
symbol. Other than that there's a few miscellaneous fixes.
* tag 'tegra-for-4.5-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: select USB_ULPI from EHCI rather than platform
ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
amba: Hide TEGRA_AHB symbol
soc/tegra: Add Tegra210 support
soc/tegra: Provide per-SoC Kconfig symbols
Signed-off-by: Olof Johansson <olof@lixom.net>
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For historic reasons, the tegra platform selects USB_ULPI from architecture
code, but that hasn't really made sense for a long time, as the only
user of that code is the Tegra EHCI driver that has its own Kconfig
symbol.
This removes the 'select' statements from mach-tegra and drivers/soc/tegra
and adds them with the device driver that actually needs them.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Also known as Tegra X1, the Tegra210 has four Cortex-A57 cores paired
with four Cortex-A53 cores in a switched configuration. It features a
GPU using the Maxwell architecture with support for DX11, SM4, OpenGL
4.5, OpenGL ES 3.1 and providing 256 CUDA cores. It supports hardware
accelerated en- and decoding of various video standards including
H.265, H.264 and VP8 at 4K resolutions and up to 60 fps.
Besides the multimedia features it also comes with a variety of I/O
controllers such as GPIO, I2C, SPI, SDHCI, PCIe, SATA and XHCI, to
name only a few.
Add a Kconfig option for Tegra210 to allow SoC-specific support to be
enabled for this new generation.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Move per-SoC generation Kconfig symbols to drivers/soc/tegra/Kconfig to
gather them all in a single place. This directory is a natural location
for these options since it already contains the drivers that are shared
across 32-bit and 64-bit ARM architectures.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A few fixes for fallout that we didn't catch in time in -next, or
smaller warning fixes that have been discovered since"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
soc: qcom/spm: shut up uninitialized variable warning
ARM: realview: fix device tree build
ARM: debug-ll: fix BCM63xx entry for multiplatform
ARM: dts: armadillo800eva Correct extal1 frequency to 24 MHz
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gcc warns about the 'found' variable possibly being used uninitialized:
drivers/soc/qcom/spm.c: In function 'spm_dev_probe':
drivers/soc/qcom/spm.c:305:5: error: 'found' may be used uninitialized in this function [-Werror=maybe-uninitialized]
However, the code is correct because we know that there is
always at least one online CPU. This initializes the 'found'
variable to zero before the loop so the compiler knows
it does not have to warn about it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge third patch-bomb from Andrew Morton:
"I'm pretty much done for -rc1 now:
- the rest of MM, basically
- lib/ updates
- checkpatch, epoll, hfs, fatfs, ptrace, coredump, exit
- cpu_mask simplifications
- kexec, rapidio, MAINTAINERS etc, etc.
- more dma-mapping cleanups/simplifications from hch"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (109 commits)
MAINTAINERS: add/fix git URLs for various subsystems
mm: memcontrol: add "sock" to cgroup2 memory.stat
mm: memcontrol: basic memory statistics in cgroup2 memory controller
mm: memcontrol: do not uncharge old page in page cache replacement
Documentation: cgroup: add memory.swap.{current,max} description
mm: free swap cache aggressively if memcg swap is full
mm: vmscan: do not scan anon pages if memcg swap limit is hit
swap.h: move memcg related stuff to the end of the file
mm: memcontrol: replace mem_cgroup_lruvec_online with mem_cgroup_online
mm: vmscan: pass memcg to get_scan_count()
mm: memcontrol: charge swap to cgroup2
mm: memcontrol: clean up alloc, online, offline, free functions
mm: memcontrol: flatten struct cg_proto
mm: memcontrol: rein in the CONFIG space madness
net: drop tcp_memcontrol.c
mm: memcontrol: introduce CONFIG_MEMCG_LEGACY_KMEM
mm: memcontrol: allow to disable kmem accounting for cgroup2
mm: memcontrol: account "kmem" consumers in cgroup2 memory controller
mm: memcontrol: move kmem accounting code to CONFIG_MEMCG
mm: memcontrol: separate kmem code from legacy tcp accounting code
...
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Now that we have a generic library function for this, replace the
open-coded instance.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Cc: <zajec5@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs. Some for SoC-family code under
drivers/soc, but also some other driver updates that don't belong
anywhere else. We also bring in the drivers/reset code through
arm-soc.
Some of the larger updates:
- Qualcomm support for SMEM, SMSM, SMP2P. All used to communicate
with other parts of the chip/board on these platforms, all
proprietary protocols that don't fit into other subsystems and live
in drivers/soc for now.
- System bus driver for UniPhier
- Driver for the TI Wakeup M3 IPC device
- Power management for Raspberry PI
+ Again a bunch of other smaller updates and patches"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
bus: uniphier: allow only built-in driver
ARM: bcm2835: clarify RASPBERRYPI_FIRMWARE dependency
MAINTAINERS: Drop Kumar Gala from QCOM
bus: uniphier-system-bus: add UniPhier System Bus driver
ARM: bcm2835: add rpi power domain driver
dt-bindings: add rpi power domain driver bindings
ARM: bcm2835: Define two new packets from the latest firmware.
drivers/soc: make mediatek/mtk-scpsys.c explicitly non-modular
soc: mediatek: SCPSYS: Add regulator support
MAINTAINERS: Change QCOM entries
soc: qcom: smd-rpm: Add existing platform support
memory/tegra: Add number of TLB lines for Tegra124
reset: hi6220: fix modular build
soc: qcom: Introduce WCNSS_CTRL SMD client
ARM: qcom: select ARM_CPU_SUSPEND for power management
MAINTAINERS: Add rules for Qualcomm dts files
soc: qcom: enable smsm/smp2p modular build
serial: msm_serial: Make config tristate
soc: qcom: smp2p: Qualcomm Shared Memory Point to Point
soc: qcom: smsm: Add driver for Qualcomm SMSM
...
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The firmware driver can be a loadable module, but the power domain
can only be built-in, so we get a build error in an allmodconfig
kernel:
:(.text+0x17e59c): undefined reference to `rpi_firmware_property'
:(.text+0x17e51c): undefined reference to `rpi_firmware_get'
:(.text+0x17e244): undefined reference to `rpi_firmware_property'
This changes the dependency to only allow the power domain code
to be enabled when the firmware driver is built-in. Other users
of the firmware driver may still be loadable modules and not
everyone needs the power domains, so we don't change the firmware
code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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http://github.com/anholt/linux into next/drivers
Pull "BCM2835 drivers changes for 4.5" from Eric Anholt:
This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/drivers branch.
* tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux:
ARM: bcm2835: add rpi power domain driver
dt-bindings: add rpi power domain driver bindings
ARM: bcm2835: Define two new packets from the latest firmware.
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This patch adds support for several power domains on Raspberry Pi,
including USB (so it can be enabled even if the bootloader didn't do
it), and graphics.
This patch is the combined work of Eric Anholt (who wrote USB support
inside of the Raspberry Pi firmware driver, and wrote the non-USB
domain support) and Alexander Aring (who separated the original USB
work out from the firmware driver).
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers
TI wakeup M3 IPC device driver for v4.5 merge window. This driver will
eventually allow am33xx and am437x to support PM with their Cortex-M3
power management processor.
This driver has been waiting to get merged for quite a while but has
had dependencies to the remoteproc that are now out of the way.
* tag 'omap-for-v4.5/wakeup-m3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
soc: ti: Add wkup_m3_ipc driver
Documentation: dt: add bindings for TI Wakeup M3 IPC device
Signed-off-by: Olof Johansson <olof@lixom.net>
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Introduce a wkup_m3_ipc driver to handle communication between the MPU
and Cortex M3 wkup_m3 present on am335x.
This driver is responsible for actually booting the wkup_m3_rproc and
also handling all IPC which is done using the IPC registers in the control
module, a mailbox, and a separate interrupt back from the wkup_m3. A small
API is exposed for executing specific power commands, which include
configuring for low power mode, request a transition to a low power mode,
and status info on a previous transition.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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next/drivers
Change the scpsys to builtin_platform_driver_probe.
Add regulator support for scpsys driver.
* tag 'v4.4-next-soc' of https://github.com/mbgg/linux-mediatek:
drivers/soc: make mediatek/mtk-scpsys.c explicitly non-modular
soc: mediatek: SCPSYS: Add regulator support
Signed-off-by: Olof Johansson <olof@lixom.net>
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The Kconfig currently controlling compilation of this code is:
drivers/soc/mediatek/Kconfig:config MTK_SCPSYS
drivers/soc/mediatek/Kconfig: bool "MediaTek SCPSYS Support"
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modularity so that when reading the
driver there is no doubt it is builtin-only.
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Daniel Kurtz <djkurtz@chromium.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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The power domains are supplied by regulators. Add support for them so
that the regulators are properly turned on before a domain is powered up
and turned off when a domain is powered down.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Qualcomm ARM Based SoC Updates for 4.5
* Add WCNSS_CTRL client
* Various Kconfig changes to fix build issues
* Update SoC Qualcomm MAINTAINERS entry
* Add SMP2P, SMSM, and SMEM state machine drivers
* Add SMD-RPM support for existing platforms
* tag 'qcom-soc-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
MAINTAINERS: Change QCOM entries
soc: qcom: smd-rpm: Add existing platform support
soc: qcom: Introduce WCNSS_CTRL SMD client
ARM: qcom: select ARM_CPU_SUSPEND for power management
MAINTAINERS: Add rules for Qualcomm dts files
soc: qcom: enable smsm/smp2p modular build
serial: msm_serial: Make config tristate
soc: qcom: smp2p: Qualcomm Shared Memory Point to Point
soc: qcom: smsm: Add driver for Qualcomm SMSM
soc: qcom: Introduce common SMEM state machine code
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch adds support for all current Qualcomm platforms which utilize
RPM over SMD. This includes both MSM8916 and APQ8084.
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
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The WCNSS_CTRL SMD client is used for among other things upload nv
firmware to a newly booted WCNSS chip.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
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The qcom spm driver uses cpu_resume_arm(), which is not included
in the kernel in all configurations:
drivers/built-in.o: In function `qcom_cpu_spc':
:(.text+0xbc022): undefined reference to `cpu_suspend'
drivers/built-in.o: In function `qcom_cpuidle_init':
:(.init.text+0x610c): undefined reference to `cpu_resume_arm'
This adds a 'select' Kconfig statement to ensure it's always
enabled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andy Gross <agross@codeaurora.org>
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The newly added smp2p and smsm drivers cannot be loadable modules
but depend on smem, which can be, and that causes a link error:
drivers/built-in.o: In function `qcom_smp2p_intr':
:(.text+0xa6e68): undefined reference to `qcom_smem_get'
drivers/built-in.o: In function `qcom_smp2p_probe':
:(.text+0xa7320): undefined reference to `qcom_smem_alloc'
:(.text+0xa736c): undefined reference to `qcom_smem_get'
drivers/built-in.o: In function `qcom_smsm_probe':
:(.text+0xa7b34): undefined reference to `qcom_smem_get'
This marks all the drivers as 'tristate' to make the Kconfig
dependency resolution work properly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: dbb04bd7122f ("soc: qcom: smp2p: Qualcomm Shared Memory Point to Point")
Fixes: d7387fc6add4 ("soc: qcom: smsm: Add driver for Qualcomm SMSM")
Signed-off-by: Andy Gross <agross@codeaurora.org>
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Introduce the Qualcomm Shard Memory Point to Point driver.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
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This driver exposed the Qualcomm Shared Memory State Machine bits.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
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This implements a common API for handling and exposing SMP2P and SMSM
state information.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform code updates from Arnd Bergmann:
"This branch is the culmination of 5 years of effort to bring the ARMv6
and ARMv7 platforms together such that they can all be enabled and
boot the same kernel. It has been a tremendous amount of cleanup and
refactoring by a huge number of people, and creation of several new
(and major) subsystems to better abstract out all the platform details
in an appropriate manner.
The bulk of this branch is a large patchset from Arnd that brings
several of the more minor and older platforms we have closer to
multiplatform support. Among these are MMP, S3C64xx, Orion5x, mv78xx0
and realview Much of this is moving around header files from old mach
directories, but there are also some cleanup patches of debug_ll
(lowlevel debug per-platform options) and other parts.
Linus Walleij also has some patchs to clean up the older ARM Realview
platforms by finally introducing DT support, and Rob Herring has some
for ARM Versatile which is now DT-only. Both of these platforms are
now multiplatform.
Finally, a couple of patches from Russell for Dove PMU, and a fix from
Valentin Rothberg for Exynos ADC, which were rebased on top of the
series to avoid conflicts"
* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
ARM: realview: don't select SMP_ON_UP for UP builds
ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
ARM: s3c64xx: fix pm-debug compilation
iio: exynos-adc: fix irqf_oneshot.cocci warnings
ARM: realview: build realview-dt SMP support only when used
ARM: realview: select apropriate targets
ARM: realview: clean up header files
ARM: realview: make all header files local
ARM: no longer make CPU targets visible separately
ARM: integrator: use explicit core module options
ARM: realview: enable multiplatform
ARM: make default platform work for NOMMU
ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
ARM: defconfig: use correct debug_ll settings
ARM: versatile: convert to multi-platform
ARM: versatile: merge mach code into a single file
ARM: versatile: switch to DT only booting and remove legacy code
ARM: versatile: add DT based PCI detection
ARM: pxa: mark ezx structures as __maybe_unused
ARM: pxa: mark raumfeld init functions as __maybe_unused
...
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next/multiplatform
Merge "mvebu soc for 4.5 (part 1)" from Gregory CLEMENT:
- orion5x/mv78xx0 multiplatform conversion
- legacy dove PMU support conversion
* tag 'mvebu-soc-4.5-1' of git://git.infradead.org/linux-mvebu:
ARM: dove: convert legacy dove to PMU support
soc: dove: add legacy support to PMU driver
ARM: orion5x: multiplatform support
ARM: orion5x: clean up mach/*.h headers
ARM: mv78xx0: multiplatform support
ARM: mv78xx0: clean up mach/*.h headers
ARM: orion: use SPARSE_IRQ everywhere
ARM: orion: always use MULTI_IRQ_HANDLER
ARM: orion: move watchdog setup to mach-orion5x
Conflicts:
arch/arm/Kconfig
arch/arm/mach-dove/include/mach/entry-macro.S
arch/arm/mach-orion5x/include/mach/entry-macro.S
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Add support for legacy non-DT Dove to the PMU driver, so that we can
transition the legacy support over.
[gregory.clement@free-electrons.com: removed pm_genpd_poweroff_unused]
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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