diff options
231 files changed, 1665 insertions, 5338 deletions
@@ -224,3 +224,5 @@ Yakir Yang <kuankuan.y@gmail.com> <ykk@rock-chips.com> Yusuke Goda <goda.yusuke@renesas.com> Gustavo Padovan <gustavo@las.ic.unicamp.br> Gustavo Padovan <padovan@profusion.mobi> +Changbin Du <changbin.du@intel.com> <changbin.du@intel.com> +Changbin Du <changbin.du@intel.com> <changbin.du@gmail.com> diff --git a/Documentation/devicetree/bindings/i2c/i2c-xscale.txt b/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt index dcc8390e0d24..dcc8390e0d24 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-xscale.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt index ee4c32454198..ee4c32454198 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-st-ddci2c.txt b/Documentation/devicetree/bindings/i2c/i2c-stu300.txt index bd81a482634f..bd81a482634f 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-st-ddci2c.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-stu300.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt index 49df0053347a..49df0053347a 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-vt8500.txt b/Documentation/devicetree/bindings/i2c/i2c-wmt.txt index 94a425eaa6c7..94a425eaa6c7 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-vt8500.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-wmt.txt diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt index 742cb470595b..bcfb13194f16 100644 --- a/Documentation/devicetree/bindings/serial/mtk-uart.txt +++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt @@ -16,6 +16,7 @@ Required properties: * "mediatek,mt8127-uart" for MT8127 compatible UARTS * "mediatek,mt8135-uart" for MT8135 compatible UARTS * "mediatek,mt8173-uart" for MT8173 compatible UARTS + * "mediatek,mt8183-uart", "mediatek,mt6577-uart" for MT8183 compatible UARTS * "mediatek,mt6577-uart" for MT6577 and all of the above - reg: The base address of the UART register bank. diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index d1ee484a787d..ee9984f35868 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -36,6 +36,7 @@ Supported adapters: * Intel Cannon Lake (PCH) * Intel Cedar Fork (PCH) * Intel Ice Lake (PCH) + * Intel Comet Lake (PCH) Datasheets: Publicly available at the Intel website On Intel Patsburg and later chipsets, both the normal host SMBus controller diff --git a/MAINTAINERS b/MAINTAINERS index 3e5a5d263f29..43b36dbed48e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2356,7 +2356,7 @@ F: arch/arm/mm/cache-uniphier.c F: arch/arm64/boot/dts/socionext/uniphier* F: drivers/bus/uniphier-system-bus.c F: drivers/clk/uniphier/ -F: drivers/dmaengine/uniphier-mdmac.c +F: drivers/dma/uniphier-mdmac.c F: drivers/gpio/gpio-uniphier.c F: drivers/i2c/busses/i2c-uniphier* F: drivers/irqchip/irq-uniphier-aidet.c @@ -6408,7 +6408,6 @@ L: linux-kernel@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core S: Maintained F: kernel/futex.c -F: kernel/futex_compat.c F: include/asm-generic/futex.h F: include/linux/futex.h F: include/uapi/linux/futex.h @@ -31,26 +31,12 @@ _all: # descending is started. They are now explicitly listed as the # prepare rule. -# Ugly workaround for Debian make-kpkg: -# make-kpkg directly includes the top Makefile of Linux kernel. In such a case, -# skip sub-make to support debian_* targets in ruleset/kernel_version.mk, but -# displays warning to discourage such abusage. -ifneq ($(word 2, $(MAKEFILE_LIST)),) -$(warning Do not include top Makefile of Linux Kernel) -sub-make-done := 1 -MAKEFLAGS += -rR -endif - -ifneq ($(sub-make-done),1) +ifneq ($(sub_make_done),1) # Do not use make's built-in rules and variables # (this increases performance and avoids hard-to-debug behaviour) MAKEFLAGS += -rR -# 'MAKEFLAGS += -rR' does not become immediately effective for old -# GNU Make versions. Cancel implicit rules for this Makefile. -$(lastword $(MAKEFILE_LIST)): ; - # Avoid funny character set dependencies unexport LC_ALL LC_COLLATE=C @@ -153,6 +139,7 @@ $(if $(KBUILD_OUTPUT),, \ # 'sub-make' below. MAKEFLAGS += --include-dir=$(CURDIR) +need-sub-make := 1 else # Do not print "Entering directory ..." at all for in-tree build. @@ -160,6 +147,18 @@ MAKEFLAGS += --no-print-directory endif # ifneq ($(KBUILD_OUTPUT),) +ifneq ($(filter 3.%,$(MAKE_VERSION)),) +# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x +# We need to invoke sub-make to avoid implicit rules in the top Makefile. +need-sub-make := 1 +# Cancel implicit rules for this Makefile. +$(lastword $(MAKEFILE_LIST)): ; +endif + +export sub_make_done := 1 + +ifeq ($(need-sub-make),1) + PHONY += $(MAKECMDGOALS) sub-make $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make @@ -167,12 +166,15 @@ $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make # Invoke a second make in the output directory, passing relevant variables sub-make: - $(Q)$(MAKE) sub-make-done=1 \ + $(Q)$(MAKE) \ $(if $(KBUILD_OUTPUT),-C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR)) \ -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) -else # sub-make-done +endif # need-sub-make +endif # sub_make_done + # We process the rest of the Makefile if this is the final invocation of make +ifeq ($(need-sub-make),) # Do not print "Entering directory ...", # but we want to display it when entering to the output directory @@ -497,7 +499,8 @@ outputmakefile: ifneq ($(KBUILD_SRC),) $(Q)ln -fsn $(srctree) source $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) - $(Q){ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore + $(Q)test -e .gitignore || \ + { echo "# this is build directory, ignore it"; echo "*"; } > .gitignore endif ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) @@ -677,7 +680,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context) ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE -KBUILD_CFLAGS += $(call cc-option,-Oz,-Os) +KBUILD_CFLAGS += -Os else KBUILD_CFLAGS += -O2 endif @@ -950,9 +953,11 @@ mod_sign_cmd = true endif export mod_sign_cmd +HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) + ifdef CONFIG_STACK_VALIDATION has_libelf := $(call try-run,\ - echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0) + echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0) ifeq ($(has_libelf),1) objtool_target := tools/objtool FORCE else @@ -1757,7 +1762,7 @@ existing-targets := $(wildcard $(sort $(targets))) endif # ifeq ($(config-targets),1) endif # ifeq ($(mixed-targets),1) -endif # sub-make-done +endif # need-sub-make PHONY += FORCE FORCE: diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index f8482fe5a190..413d566405d1 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -217,7 +217,7 @@ static void __init request_standard_resources(void) num_standard_resources = memblock.memory.cnt; res_size = num_standard_resources * sizeof(*standard_resources); - standard_resources = memblock_alloc_low(res_size, SMP_CACHE_BYTES); + standard_resources = memblock_alloc(res_size, SMP_CACHE_BYTES); if (!standard_resources) panic("%s: Failed to allocate %zu bytes\n", __func__, res_size); diff --git a/arch/powerpc/lib/memcmp_64.S b/arch/powerpc/lib/memcmp_64.S index 844d8e774492..b7f6f6e0b6e8 100644 --- a/arch/powerpc/lib/memcmp_64.S +++ b/arch/powerpc/lib/memcmp_64.S @@ -215,11 +215,20 @@ _GLOBAL_TOC(memcmp) beq .Lzero .Lcmp_rest_lt8bytes: - /* Here we have only less than 8 bytes to compare with. at least s1 - * Address is aligned with 8 bytes. - * The next double words are load and shift right with appropriate - * bits. + /* + * Here we have less than 8 bytes to compare. At least s1 is aligned to + * 8 bytes, but s2 may not be. We must make sure s2 + 7 doesn't cross a + * page boundary, otherwise we might read past the end of the buffer and + * trigger a page fault. We use 4K as the conservative minimum page + * size. If we detect that case we go to the byte-by-byte loop. + * + * Otherwise the next double word is loaded from s1 and s2, and shifted + * right to compare the appropriate bits. */ + clrldi r6,r4,(64-12) // r6 = r4 & 0xfff + cmpdi r6,0xff8 + bgt .Lshort + subfic r6,r5,8 slwi r6,r6,3 LD rA,0,r3 diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c b/arch/powerpc/platforms/pseries/pseries_energy.c index 6ed22127391b..921f12182f3e 100644 --- a/arch/powerpc/platforms/pseries/pseries_energy.c +++ b/arch/powerpc/platforms/pseries/pseries_energy.c @@ -77,18 +77,27 @@ static u32 cpu_to_drc_index(int cpu) ret = drc.drc_index_start + (thread_index * drc.sequential_inc); } else { - const __be32 *indexes; - - indexes = of_get_property(dn, "ibm,drc-indexes", NULL); - if (indexes == NULL) - goto err_of_node_put; + u32 nr_drc_indexes, thread_drc_index; /* - * The first element indexes[0] is the number of drc_indexes - * returned in the list. Hence thread_index+1 will get the - * drc_index corresponding to core number thread_index. + * The first element of ibm,drc-indexes array is the + * number of drc_indexes returned in the list. Hence + * thread_index+1 will get the drc_index corresponding + * to core number thread_index. */ - ret = indexes[thread_index + 1]; + rc = of_property_read_u32_index(dn, "ibm,drc-indexes", + 0, &nr_drc_indexes); + if (rc) + goto err_of_node_put; + + WARN_ON_ONCE(thread_index > nr_drc_indexes); + rc = of_property_read_u32_index(dn, "ibm,drc-indexes", + thread_index + 1, + &thread_drc_index); + if (rc) + goto err_of_node_put; + + ret = thread_drc_index; } rc = 0; diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index d97d52772789..452dcfd7e5dd 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -550,6 +550,7 @@ static void pseries_print_mce_info(struct pt_regs *regs, "UE", "SLB", "ERAT", + "Unknown", "TLB", "D-Cache", "Unknown", diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c1f9b3cf437c..5ad92419be19 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2217,14 +2217,8 @@ config RANDOMIZE_MEMORY_PHYSICAL_PADDING If unsure, leave at the default value. config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs" + def_bool y depends on SMP - ---help--- - Say Y here to allow turning CPUs off and on. CPUs can be - controlled through /sys/devices/system/cpu. - ( Note: power management support will enable this option - automatically on SMP systems. ) - Say N if you want to disable CPU hotplug. config BOOTPARAM_HOTPLUG_CPU0 bool "Set default setting of cpu0_hotpluggable" diff --git a/block/blk-flush.c b/block/blk-flush.c index 6e0f2d97fc6d..d95f94892015 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -220,7 +220,7 @@ static void flush_end_io(struct request *flush_rq, blk_status_t error) blk_mq_tag_set_rq(hctx, flush_rq->tag, fq->orig_rq); flush_rq->tag = -1; } else { - blk_mq_put_driver_tag_hctx(hctx, flush_rq); + blk_mq_put_driver_tag(flush_rq); flush_rq->internal_tag = -1; } @@ -324,7 +324,7 @@ static void mq_flush_data_end_io(struct request *rq, blk_status_t error) if (q->elevator) { WARN_ON(rq->tag < 0); - blk_mq_put_driver_tag_hctx(hctx, rq); + blk_mq_put_driver_tag(rq); } /* diff --git a/block/blk-mq.c b/block/blk-mq.c index 70b210a308c4..3ff3d7b49969 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -59,7 +59,8 @@ static int blk_mq_poll_stats_bkt(const struct request *rq) } /* - * Check if any of the ctx's have pending work in this hardware queue + * Check if any of the ctx, dispatch list or elevator + * have pending work in this hardware queue. */ static bool blk_mq_hctx_has_pending(struct blk_mq_hw_ctx *hctx) { @@ -1071,7 +1072,13 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, hctx = container_of(wait, struct blk_mq_hw_ctx, dispatch_wait); spin_lock(&hctx->dispatch_wait_lock); - list_del_init(&wait->entry); + if (!list_empty(&wait->entry)) { + struct sbitmap_queue *sbq; + + list_del_init(&wait->entry); + sbq = &hctx->tags->bitmap_tags; + atomic_dec(&sbq->ws_active); + } spin_unlock(&hctx->dispatch_wait_lock); blk_mq_run_hw_queue(hctx, true); @@ -1087,6 +1094,7 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, struct request *rq) { + struct sbitmap_queue *sbq = &hctx->tags->bitmap_tags; struct wait_queue_head *wq; wait_queue_entry_t *wait; bool ret; @@ -1109,7 +1117,7 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, if (!list_empty_careful(&wait->entry)) return false; - wq = &bt_wait_ptr(&hctx->tags->bitmap_tags, hctx)->wait; + wq = &bt_wait_ptr(sbq, hctx)->wait; spin_lock_irq(&wq->lock); spin_lock(&hctx->dispatch_wait_lock); @@ -1119,6 +1127,7 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, return false; } + atomic_inc(&sbq->ws_active); wait->flags &= ~WQ_FLAG_EXCLUSIVE; __add_wait_queue(wq, wait); @@ -1139,6 +1148,7 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, * someone else gets the wakeup. */ list_del_init(&wait->entry); + atomic_dec(&sbq->ws_active); spin_unlock(&hctx->dispatch_wait_lock); spin_unlock_irq(&wq->lock); diff --git a/block/blk-mq.h b/block/blk-mq.h index 0ed8e5a8729f..d704fc7766f4 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -224,15 +224,6 @@ static inline void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx, } } -static inline void blk_mq_put_driver_tag_hctx(struct blk_mq_hw_ctx *hctx, - struct request *rq) -{ - if (rq->tag == -1 || rq->internal_tag == -1) - return; - - __blk_mq_put_driver_tag(hctx, rq); -} - static inline void blk_mq_put_driver_tag(struct request *rq) { if (rq->tag == -1 || rq->internal_tag == -1) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 6ecbbabf1233..eec263c9019e 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1043,9 +1043,6 @@ void __init acpi_early_init(void) acpi_permanent_mmap = true; - /* Initialize debug output. Linux does not use ACPICA defaults */ - acpi_dbg_level = ACPI_LV_INFO | ACPI_LV_REPAIR; - #ifdef CONFIG_X86 /* * If the machine falls into the DMI check table, diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 1b207fca1420..d4244e7d0e38 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -1150,8 +1150,13 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps) cpc_read(cpunum, nominal_reg, &nom); perf_caps->nominal_perf = nom; - cpc_read(cpunum, guaranteed_reg, &guaranteed); - perf_caps->guaranteed_perf = guaranteed; + if (guaranteed_reg->type != ACPI_TYPE_BUFFER || + IS_NULL_REG(&guaranteed_reg->cpc_entry.reg)) { + perf_caps->guaranteed_perf = 0; + } else { + cpc_read(cpunum, guaranteed_reg, &guaranteed); + perf_caps->guaranteed_perf = guaranteed; + } cpc_read(cpunum, lowest_non_linear_reg, &min_nonlinear); perf_caps->lowest_nonlinear_perf = min_nonlinear; diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 8685882da64c..4b9c7ca492e6 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2057,7 +2057,8 @@ static size_t binder_get_object(struct binder_proc *proc, size_t object_size = 0; read_size = min_t(size_t, sizeof(*object), buffer->data_size - offset); - if (read_size < sizeof(*hdr) || !IS_ALIGNED(offset, sizeof(u32))) + if (offset > buffer->data_size || read_size < sizeof(*hdr) || + !IS_ALIGNED(offset, sizeof(u32))) return 0; binder_alloc_copy_from_buffer(&proc->alloc, object, buffer, offset, read_size); diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 6389467670a0..195f120c4e8c 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -927,14 +927,13 @@ enum lru_status binder_alloc_free_page(struct list_head *item, index = page - alloc->pages; page_addr = (uintptr_t)alloc->buffer + index * PAGE_SIZE; + + mm = alloc->vma_vm_mm; + if (!mmget_not_zero(mm)) + goto err_mmget; + if (!down_write_trylock(&mm->mmap_sem)) + goto err_down_write_mmap_sem_failed; vma = binder_alloc_get_vma(alloc); - if (vma) { - if (!mmget_not_zero(alloc->vma_vm_mm)) - goto err_mmget; - mm = alloc->vma_vm_mm; - if (!down_read_trylock(&mm->mmap_sem)) - goto err_down_write_mmap_sem_failed; - } list_lru_isolate(lru, item); spin_unlock(lock); @@ -945,10 +944,9 @@ enum lru_status binder_alloc_free_page(struct list_head *item, zap_page_range(vma, page_addr, PAGE_SIZE); trace_binder_unmap_user_end(alloc, index); - - up_read(&mm->mmap_sem); - mmput(mm); } + up_write(&mm->mmap_sem); + mmput(mm); trace_binder_unmap_kernel_start(alloc, index); diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c index b3ed8f9953a8..173e6f2dd9af 100644 --- a/drivers/ata/libata-zpodd.c +++ b/drivers/ata/libata-zpodd.c @@ -52,38 +52,52 @@ static int eject_tray(struct ata_device *dev) /* Per the spec, only slot type and drawer type ODD can be supported */ static enum odd_mech_type zpodd_get_mech_type(struct ata_device *dev) { - char buf[16]; + char *buf; unsigned int ret; - struct rm_feature_desc *desc = (void *)(buf + 8); + struct rm_feature_desc *desc; struct ata_taskfile tf; static const char cdb[] = { GPCMD_GET_CONFIGURATION, 2, /* only 1 feature descriptor requested */ 0, 3, /* 3, removable medium feature */ 0, 0, 0,/* reserved */ - 0, sizeof(buf), + 0, 16, 0, 0, 0, }; + buf = kzalloc(16, GFP_KERNEL); + if (!buf) + return ODD_MECH_TYPE_UNSUPPORTED; + desc = (void *)(buf + 8); + ata_tf_init(dev, &tf); tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; tf.command = ATA_CMD_PACKET; tf.protocol = ATAPI_PROT_PIO; - tf.lbam = sizeof(buf); + tf.lbam = 16; ret = ata_exec_internal(dev, &tf, cdb, DMA_FROM_DEVICE, - buf, sizeof(buf), 0); - if (ret) + buf, 16, 0); + if (ret) { + kfree(buf); return ODD_MECH_TYPE_UNSUPPORTED; + } - if (be16_to_cpu(desc->feature_code) != 3) + if (be16_to_cpu(desc->feature_code) != 3) { + kfree(buf); return ODD_MECH_TYPE_UNSUPPORTED; + } - if (desc->mech_type == 0 && desc->load == 0 && desc->eject == 1) + if (desc->mech_type == 0 && desc->load == 0 && desc->eject == 1) { + kfree(buf); return ODD_MECH_TYPE_SLOT; - else if (desc->mech_type == 1 && desc->load == 0 && desc->eject == 1) + } else if (desc->mech_type == 1 && desc->load == 0 && + desc->eject == 1) { + kfree(buf); return ODD_MECH_TYPE_DRAWER; - else + } else { + kfree(buf); return ODD_MECH_TYPE_UNSUPPORTED; + } } /* Test if ODD is zero power ready by sense code */ diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index e7a5f1d1c314..399cad7daae7 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -290,18 +290,8 @@ static ssize_t idle_store(struct device *dev, struct zram *zram = dev_to_zram(dev); unsigned long nr_pages = zram->disksize >> PAGE_SHIFT; int index; - char mode_buf[8]; - ssize_t sz; - sz = strscpy(mode_buf, buf, sizeof(mode_buf)); - if (sz <= 0) - return -EINVAL; - - /* ignore trailing new line */ - if (mode_buf[sz - 1] == '\n') - mode_buf[sz - 1] = 0x00; - - if (strcmp(mode_buf, "all")) + if (!sysfs_streq(buf, "all")) return -EINVAL; down_read(&zram->init_lock); @@ -635,25 +625,15 @@ static ssize_t writeback_store(struct device *dev, struct bio bio; struct bio_vec bio_vec; struct page *page; - ssize_t ret, sz; - char mode_buf[8]; - int mode = -1; + ssize_t ret; + int mode; unsigned long blk_idx = 0; - sz = strscpy(mode_buf, buf, sizeof(mode_buf)); - if (sz <= 0) - return -EINVAL; - - /* ignore trailing newline */ - if (mode_buf[sz - 1] == '\n') - mode_buf[sz - 1] = 0x00; - - if (!strcmp(mode_buf, "idle")) + if (sysfs_streq(buf, "idle")) mode = IDLE_WRITEBACK; - else if (!strcmp(mode_buf, "huge")) + else if (sysfs_streq(buf, "huge")) mode = HUGE_WRITEBACK; - - if (mode == -1) + else return -EINVAL; down_read(&zram->init_lock); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index e22f0dbaebb1..b599c7318aab 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -385,7 +385,10 @@ static int intel_pstate_get_cppc_guranteed(int cpu) if (ret) return ret; - return cppc_perf.guaranteed_perf; + if (cppc_perf.guaranteed_perf) + return cppc_perf.guaranteed_perf; + + return cppc_perf.nominal_perf; } #else /* CONFIG_ACPI_CPPC_LIB */ diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index 3f49427766b8..2b51e0718c9f 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -189,8 +189,8 @@ static int scpi_cpufreq_exit(struct cpufreq_policy *policy) clk_put(priv->clk); dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table); - kfree(priv); dev_pm_opp_remove_all_dynamic(priv->cpu_dev); + kfree(priv); return 0; } diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 4e0eede599a8..ac0301b69593 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1578,11 +1578,9 @@ static int stm32_mdma_probe(struct platform_device *pdev) dmadev->nr_channels = nr_channels; dmadev->nr_requests = nr_requests; - ret = device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks", + device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks", dmadev->ahb_addr_masks, count); - if (ret) - return ret; dmadev->nr_ahb_addr_masks = count; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c index 91b90c0cea73..12acdac85820 100644 --- a/drivers/gpio/gpio-adnp.c +++ b/drivers/gpio/gpio-adnp.c @@ -132,8 +132,10 @@ static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset) if (err < 0) goto out; - if (err & BIT(pos)) - err = -EACCES; + if (value & BIT(pos)) { + err = -EPERM; + goto out; + } err = 0; diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index 854bce4fb9e7..217507002dbc 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -1224,6 +1224,8 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) gpio->offset_timer = devm_kzalloc(&pdev->dev, gpio->chip.ngpio, GFP_KERNEL); + if (!gpio->offset_timer) + return -ENOMEM; return aspeed_gpio_setup_irqs(gpio, pdev); } diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c index 0ecd2369c2ca..a09d2f9ebacc 100644 --- a/drivers/gpio/gpio-exar.c +++ b/drivers/gpio/gpio-exar.c @@ -148,6 +148,8 @@ static int gpio_exar_probe(struct platform_device *pdev) mutex_init(&exar_gpio->lock); index = ida_simple_get(&ida_index, 0, 0, GFP_KERNEL); + if (index < 0) + goto err_destroy; sprintf(exar_gpio->name, "exar_gpio%d", index); exar_gpio->gpio_chip.label = exar_gpio->name; diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index 154d959e8993..b6a4efce7c92 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -204,8 +204,8 @@ static ssize_t gpio_mockup_debugfs_read(struct file *file, struct gpio_mockup_chip *chip; struct seq_file *sfile; struct gpio_chip *gc; + int val, cnt; char buf[3]; - int val, rv; if (*ppos != 0) return 0; @@ -216,13 +216,9 @@ static ssize_t gpio_mockup_debugfs_read(struct file *file, gc = &chip->gc; val = gpio_mockup_get(gc, priv->offset); - snprintf(buf, sizeof(buf), "%d\n", val); + cnt = snprintf(buf, sizeof(buf), "%d\n", val); - rv = copy_to_user(usr_buf, buf, sizeof(buf)); - if (rv) - return rv; - - return sizeof(buf) - 1; + return simple_read_from_buffer(usr_buf, size, ppos, buf, cnt); } static ssize_t gpio_mockup_debugfs_write(struct file *file, diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 8b9c3ab70f6e..6a3ec575a404 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -120,7 +120,8 @@ static void of_gpio_flags_quirks(struct device_node *np, * to determine if the flags should have inverted semantics. */ if (IS_ENABLED(CONFIG_SPI_MASTER) && - of_property_read_bool(np, "cs-gpios")) { + of_property_read_bool(np, "cs-gpios") && + !strcmp(propname, "cs-gpios")) { struct device_node *child; u32 cs; int ret; @@ -142,16 +143,16 @@ static void of_gpio_flags_quirks(struct device_node *np, * conflict and the "spi-cs-high" flag will * take precedence. */ - if (of_property_read_bool(np, "spi-cs-high")) { + if (of_property_read_bool(child, "spi-cs-high")) { if (*flags & OF_GPIO_ACTIVE_LOW) { pr_warn("%s GPIO handle specifies active low - ignored\n", - of_node_full_name(np)); + of_node_full_name(child)); *flags &= ~OF_GPIO_ACTIVE_LOW; } } else { if (!(*flags & OF_GPIO_ACTIVE_LOW)) pr_info("%s enforce active low on chipselect handle\n", - of_node_full_name(np)); + of_node_full_name(child)); *flags |= OF_GPIO_ACTIVE_LOW; } break; @@ -717,7 +718,13 @@ int of_gpiochip_add(struct gpio_chip *chip) of_node_get(chip->of_node); - return of_gpiochip_scan_gpios(chip); + status = of_gpiochip_scan_gpios(chip); + if (status) { + of_node_put(chip->of_node); + gpiochip_remove_pin_ranges(chip); + } + + return status; } void of_gpiochip_remove(struct gpio_chip *chip) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 144af0733581..0495bf1d480a 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2776,7 +2776,7 @@ int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce) } config = pinconf_to_config_packed(PIN_CONFIG_INPUT_DEBOUNCE, debounce); - return gpio_set_config(chip, gpio_chip_hwgpio(desc), config); + return chip->set_config(chip, gpio_chip_hwgpio(desc), config); } EXPORT_SYMBOL_GPL(gpiod_set_debounce); @@ -2813,7 +2813,7 @@ int gpiod_set_transitory(struct gpio_desc *desc, bool transitory) packed = pinconf_to_config_packed(PIN_CONFIG_PERSIST_STATE, !transitory); gpio = gpio_chip_hwgpio(desc); - rc = gpio_set_config(chip, gpio, packed); + rc = chip->set_config(chip, gpio, packed); if (rc == -ENOTSUPP) { dev_dbg(&desc->gdev->dev, "Persistence not supported for GPIO %d\n", gpio); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index fb27783d7a54..81127f7d6ed1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5429,9 +5429,11 @@ static void get_freesync_config_for_crtc( struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(new_con_state->base.connector); struct drm_display_mode *mode = &new_crtc_state->base.mode; + int vrefresh = drm_mode_vrefresh(mode); new_crtc_state->vrr_supported = new_con_state->freesync_capable && - aconnector->min_vfreq <= drm_mode_vrefresh(mode); + vrefresh >= aconnector->min_vfreq && + vrefresh <= aconnector->max_vfreq; if (new_crtc_state->vrr_supported) { new_crtc_state->stream->ignore_msa_timing_param = true; diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 381581b01d48..05bbc2b622fc 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -376,11 +376,7 @@ void drm_dev_unplug(struct drm_device *dev) synchronize_srcu(&drm_unplug_srcu); drm_dev_unregister(dev); - - mutex_lock(&drm_global_mutex); - if (dev->open_count == 0) - drm_dev_put(dev); - mutex_unlock(&drm_global_mutex); + drm_dev_put(dev); } EXPORT_SYMBOL(drm_dev_unplug); diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 0e9349ff2d16..af2ab640cadb 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1963,7 +1963,7 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, best_depth = fmt->depth; } } - if (sizes.surface_depth != best_depth) { + if (sizes.surface_depth != best_depth && best_depth) { DRM_INFO("requested bpp %d, scaled depth down to %d", sizes.surface_bpp, best_depth); sizes.surface_depth = best_depth; diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index 83a5bbca6e7e..7caa3c7ed978 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -489,11 +489,9 @@ int drm_release(struct inode *inode, struct file *filp) drm_close_helper(filp); - if (!--dev->open_count) { + if (!--dev->open_count) drm_lastclose(dev); - if (drm_dev_is_unplugged(dev)) - drm_put_dev(dev); - } + mutex_unlock(&drm_global_mutex); drm_minor_release(minor); diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 35b4ec3f7618..3592d04c33b2 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -1441,7 +1441,7 @@ static inline int cmd_address_audit(struct parser_exec_state *s, } if (index_mode) { - if (guest_gma >= I915_GTT_PAGE_SIZE / sizeof(u64)) { + if (guest_gma >= I915_GTT_PAGE_SIZE) { ret = -EFAULT; goto err; } diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index c7103dd2d8d5..d7052ab7908c 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -1882,7 +1882,11 @@ struct intel_vgpu_mm *intel_vgpu_create_ppgtt_mm(struct intel_vgpu *vgpu, } list_add_tail(&mm->ppgtt_mm.list, &vgpu->gtt.ppgtt_mm_list_head); + + mutex_lock(&gvt->gtt.ppgtt_mm_lock); list_add_tail(&mm->ppgtt_mm.lru_list, &gvt->gtt.ppgtt_mm_lru_list_head); + mutex_unlock(&gvt->gtt.ppgtt_mm_lock); + return mm; } @@ -1967,9 +1971,10 @@ int intel_vgpu_pin_mm(struct intel_vgpu_mm *mm) if (ret) return ret; + mutex_lock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock); list_move_tail(&mm->ppgtt_mm.lru_list, &mm->vgpu->gvt->gtt.ppgtt_mm_lru_list_head); - + mutex_unlock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock); } return 0; @@ -1980,6 +1985,8 @@ static int reclaim_one_ppgtt_mm(struct intel_gvt *gvt) struct intel_vgpu_mm *mm; struct list_head *pos, *n; + mutex_lock(&gvt->gtt.ppgtt_mm_lock); + list_for_each_safe(pos, n, &gvt->gtt.ppgtt_mm_lru_list_head) { mm = container_of(pos, struct intel_vgpu_mm, ppgtt_mm.lru_list); @@ -1987,9 +1994,11 @@ static int reclaim_one_ppgtt_mm(struct intel_gvt *gvt) continue; list_del_init(&mm->ppgtt_mm.lru_list); + mutex_unlock(&gvt->gtt.ppgtt_mm_lock); invalidate_ppgtt_mm(mm); return 1; } + mutex_unlock(&gvt->gtt.ppgtt_mm_lock); return 0; } @@ -2659,6 +2668,7 @@ int intel_gvt_init_gtt(struct intel_gvt *gvt) } } INIT_LIST_HEAD(&gvt->gtt.ppgtt_mm_lru_list_head); + mutex_init(&gvt->gtt.ppgtt_mm_lock); return 0; } @@ -2699,7 +2709,9 @@ void intel_vgpu_invalidate_ppgtt(struct intel_vgpu *vgpu) list_for_each_safe(pos, n, &vgpu->gtt.ppgtt_mm_list_head) { mm = container_of(pos, struct intel_vgpu_mm, ppgtt_mm.list); if (mm->type == INTEL_GVT_MM_PPGTT) { + mutex_lock(&vgpu->gvt->gtt.ppgtt_mm_lock); list_del_init(&mm->ppgtt_mm.lru_list); + mutex_unlock(&vgpu->gvt->gtt.ppgtt_mm_lock); if (mm->ppgtt_mm.shadowed) invalidate_ppgtt_mm(mm); } diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index d8cb04cc946d..edb610dc5d86 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -88,6 +88,7 @@ struct intel_gvt_gtt { void (*mm_free_page_table)(struct intel_vgpu_mm *mm); struct list_head oos_page_use_list_head; struct list_head oos_page_free_list_head; + struct mutex ppgtt_mm_lock; struct list_head ppgtt_mm_lru_list_head; struct page *scratch_page; diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c index 7d84cfb9051a..7902fb162d09 100644 --- a/drivers/gpu/drm/i915/gvt/mmio_context.c +++ b/drivers/gpu/drm/i915/gvt/mmio_context.c @@ -132,6 +132,7 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = { {RCS, GEN9_GAMT_ECO_REG_RW_IA, 0x0, false}, /* 0x4ab0 */ {RCS, GEN9_CSFE_CHICKEN1_RCS, 0xffff, false}, /* 0x20d4 */ + {RCS, _MMIO(0x20D8), 0xffff, true}, /* 0x20d8 */ {RCS, GEN8_GARBCNTL, 0x0, false}, /* 0xb004 */ {RCS, GEN7_FF_THREAD_MODE, 0x0, false}, /* 0x20a0 */ diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 1bb8f936fdaa..159192c097cc 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -346,7 +346,7 @@ static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, int i = 0; if (mm->type != INTEL_GVT_MM_PPGTT || !mm->ppgtt_mm.shadowed) - return -1; + return -EINVAL; if (mm->ppgtt_mm.root_entry_type == GTT_TYPE_PPGTT_ROOT_L4_ENTRY) { px_dma(&ppgtt->pml4) = mm->ppgtt_mm.shadow_pdps[0]; @@ -410,12 +410,6 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) if (workload->shadow) return 0; - ret = set_context_ppgtt_from_shadow(workload, shadow_ctx); - if (ret < 0) { - gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); - return ret; - } - /* pin shadow context by gvt even the shadow context will be pinned * when i915 alloc request. That is because gvt will update the guest * context from shadow context when workload is completed, and at that @@ -678,6 +672,9 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct intel_vgpu_submission *s = &vgpu->submission; + struct i915_gem_context *shadow_ctx = s->shadow_ctx; + struct i915_request *rq; int ring_id = workload->ring_id; int ret; @@ -687,6 +684,12 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) mutex_lock(&vgpu->vgpu_lock); mutex_lock(&dev_priv->drm.struct_mutex); + ret = set_context_ppgtt_from_shadow(workload, shadow_ctx); + if (ret < 0) { + gvt_vgpu_err("workload shadow ppgtt isn't ready\n"); + goto err_req; + } + ret = intel_gvt_workload_req_alloc(workload); if (ret) goto err_req; @@ -703,6 +706,14 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) ret = prepare_workload(workload); out: + if (ret) { + /* We might still need to add request with + * clean ctx to retire it properly.. + */ + rq = fetch_and_zero(&workload->req); + i915_request_put(rq); + } + if (!IS_ERR_OR_NULL(workload->req)) { gvt_dbg_sched("ring id %d submit workload to i915 %p\n", ring_id, workload->req); @@ -739,7 +750,8 @@ static struct intel_vgpu_workload *pick_next_workload( goto out; } - if (list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) + if (!scheduler->current_vgpu->active || + list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) goto out; /* diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9adc7bb9e69c..a67a63b5aa84 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2346,7 +2346,8 @@ static inline unsigned int i915_sg_segment_size(void) INTEL_DEVID(dev_priv) == 0x5915 || \ INTEL_DEVID(dev_priv) == 0x591E) #define IS_AML_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x591C || \ - INTEL_DEVID(dev_priv) == 0x87C0) + INTEL_DEVID(dev_priv) == 0x87C0 || \ + INTEL_DEVID(dev_priv) == 0x87CA) #define IS_SKL_GT2(dev_priv) (IS_SKYLAKE(dev_priv) && \ INTEL_INFO(dev_priv)->gt == 2) #define IS_SKL_GT3(dev_priv) (IS_SKYLAKE(dev_priv) && \ diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 638a586469f9..047855dd8c6b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2863,7 +2863,7 @@ enum i915_power_well_id { #define GEN11_GT_VEBOX_VDBOX_DISABLE _MMIO(0x9140) #define GEN11_GT_VDBOX_DISABLE_MASK 0xff #define GEN11_GT_VEBOX_DISABLE_SHIFT 16 -#define GEN11_GT_VEBOX_DISABLE_MASK (0xff << GEN11_GT_VEBOX_DISABLE_SHIFT) +#define GEN11_GT_VEBOX_DISABLE_MASK (0x0f << GEN11_GT_VEBOX_DISABLE_SHIFT) #define GEN11_EU_DISABLE _MMIO(0x9134) #define GEN11_EU_DIS_MASK 0xFF @@ -9243,7 +9243,7 @@ enum skl_power_gate { #define TRANS_DDI_FUNC_CTL2(tran) _MMIO_TRANS2(tran, \ _TRANS_DDI_FUNC_CTL2_A) #define PORT_SYNC_MODE_ENABLE (1 << 4) -#define PORT_SYNC_MODE_MASTER_SELECT(x) ((x) < 0) +#define PORT_SYNC_MODE_MASTER_SELECT(x) ((x) << 0) #define PORT_SYNC_MODE_MASTER_SELECT_MASK (0x7 << 0) #define PORT_SYNC_MODE_MASTER_SELECT_SHIFT 0 diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c index 32dce7176f63..b9b0ea4e2404 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c @@ -455,7 +455,7 @@ static int igt_evict_contexts(void *arg) struct i915_gem_context *ctx; ctx = live_context(i915, file); - if (!ctx) + if (IS_ERR(ctx)) break; /* We will need some GGTT space for the rq's context */ diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 2281ed3eb774..8a4ebcb6405c 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -337,12 +337,14 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) ret = drm_dev_register(drm, 0); if (ret) - goto free_drm; + goto uninstall_irq; drm_fbdev_generic_setup(drm, 32); return 0; +uninstall_irq: + drm_irq_uninstall(drm); free_drm: drm_dev_put(drm); @@ -356,8 +358,8 @@ static int meson_drv_bind(struct device *dev) static void meson_drv_unbind(struct device *dev) { - struct drm_device *drm = dev_get_drvdata(dev); - struct meson_drm *priv = drm->dev_private; + struct meson_drm *priv = dev_get_drvdata(dev); + struct drm_device *drm = priv->drm; if (priv->canvas) { meson_canvas_free(priv->canvas, priv->canvas_id_osd1); @@ -367,6 +369,7 @@ static void meson_drv_unbind(struct device *dev) } drm_dev_unregister(drm); + drm_irq_uninstall(drm); drm_kms_helper_poll_fini(drm); drm_mode_config_cleanup(drm); drm_dev_put(drm); diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index e28814f4ea6c..563953ec6ad0 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -569,7 +569,8 @@ dw_hdmi_mode_valid(struct drm_connector *connector, DRM_DEBUG_DRIVER("Modeline " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode)); /* If sink max TMDS clock, we reject the mode */ - if (mode->clock > connector->display_info.max_tmds_clock) + if (connector->display_info.max_tmds_clock && + mode->clock > connector->display_info.max_tmds_clock) return MODE_BAD; /* Check against non-VIC supported modes */ diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index c7d4c6073ea5..0d4ade9d4722 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -541,6 +541,18 @@ static void vop_core_clks_disable(struct vop *vop) clk_disable(vop->hclk); } +static void vop_win_disable(struct vop *vop, const struct vop_win_data *win) +{ + if (win->phy->scl && win->phy->scl->ext) { + VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE); + VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE); + VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, SCALE_NONE); + VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, SCALE_NONE); + } + + VOP_WIN_SET(vop, win, enable, 0); +} + static int vop_enable(struct drm_crtc *crtc) { struct vop *vop = to_vop(crtc); @@ -586,7 +598,7 @@ static int vop_enable(struct drm_crtc *crtc) struct vop_win *vop_win = &vop->win[i]; const struct vop_win_data *win = vop_win->data; - VOP_WIN_SET(vop, win, enable, 0); + vop_win_disable(vop, win); } spin_unlock(&vop->reg_lock); @@ -735,7 +747,7 @@ static void vop_plane_atomic_disable(struct drm_plane *plane, spin_lock(&vop->reg_lock); - VOP_WIN_SET(vop, win, enable, 0); + vop_win_disable(vop, win); spin_unlock(&vop->reg_lock); } @@ -1622,7 +1634,7 @@ static int vop_initial(struct vop *vop) int channel = i * 2 + 1; VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel); - VOP_WIN_SET(vop, win, enable, 0); + vop_win_disable(vop, win); VOP_WIN_SET(vop, win, gate, 1); } diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index ba9b3cfb8c3d..b3436c2aed68 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -378,14 +378,16 @@ static int tegra_shared_plane_atomic_check(struct drm_plane *plane, static void tegra_shared_plane_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { - struct tegra_dc *dc = to_tegra_dc(old_state->crtc); struct tegra_plane *p = to_tegra_plane(plane); + struct tegra_dc *dc; u32 value; /* rien ne va plus */ if (!old_state || !old_state->crtc) return; + dc = to_tegra_dc(old_state->crtc); + /* * XXX Legacy helpers seem to sometimes call ->atomic_disable() even * on planes that are already disabled. Make sure we fallback to the diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index 39bfed9623de..982ce37ecde1 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -106,6 +106,7 @@ static int vic_boot(struct vic *vic) if (vic->booted) return 0; +#ifdef CONFIG_IOMMU_API if (vic->config->supports_sid) { struct iommu_fwspec *spec = dev_iommu_fwspec_get(vic->dev); u32 value; @@ -121,6 +122,7 @@ static int vic_boot(struct vic *vic) vic_writel(vic, value, VIC_THI_STREAMID1); } } +#endif /* setup clockgating registers */ vic_writel(vic, CG_IDLE_CG_DLY_CNT(4) | diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index 66885c24590f..c1bd5e3d9e4a 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -18,18 +18,19 @@ #include "udl_connector.h" #include "udl_drv.h" -static bool udl_get_edid_block(struct udl_device *udl, int block_idx, - u8 *buff) +static int udl_get_edid_block(void *data, u8 *buf, unsigned int block, + size_t len) { int ret, i; u8 *read_buff; + struct udl_device *udl = data; read_buff = kmalloc(2, GFP_KERNEL); if (!read_buff) - return false; + return -1; - for (i = 0; i < EDID_LENGTH; i++) { - int bval = (i + block_idx * EDID_LENGTH) << 8; + for (i = 0; i < len; i++) { + int bval = (i + block * EDID_LENGTH) << 8; ret = usb_control_msg(udl->udev, usb_rcvctrlpipe(udl->udev, 0), (0x02), (0x80 | (0x02 << 5)), bval, @@ -37,60 +38,13 @@ static bool udl_get_edid_block(struct udl_device *udl, int block_idx, if (ret < 1) { DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); kfree(read_buff); - return false; + return -1; } - buff[i] = read_buff[1]; + buf[i] = read_buff[1]; } kfree(read_buff); - return true; -} - -static bool udl_get_edid(struct udl_device *udl, u8 **result_buff, - int *result_buff_size) -{ - int i, extensions; - u8 *block_buff = NULL, *buff_ptr; - - block_buff = kmalloc(EDID_LENGTH, GFP_KERNEL); - if (block_buff == NULL) - return false; - - if (udl_get_edid_block(udl, 0, block_buff) && - memchr_inv(block_buff, 0, EDID_LENGTH)) { - extensions = ((struct edid *)block_buff)->extensions; - if (extensions > 0) { - /* we have to read all extensions one by one */ - *result_buff_size = EDID_LENGTH * (extensions + 1); - *result_buff = kmalloc(*result_buff_size, GFP_KERNEL); - buff_ptr = *result_buff; - if (buff_ptr == NULL) { - kfree(block_buff); - return false; - } - memcpy(buff_ptr, block_buff, EDID_LENGTH); - kfree(block_buff); - buff_ptr += EDID_LENGTH; - for (i = 1; i < extensions; ++i) { - if (udl_get_edid_block(udl, i, buff_ptr)) { - buff_ptr += EDID_LENGTH; - } else { - kfree(*result_buff); - *result_buff = NULL; - return false; - } - } - return true; - } - /* we have only base edid block */ - *result_buff = block_buff; - *result_buff_size = EDID_LENGTH; - return true; - } - - kfree(block_buff); - - return false; + return 0; } static int udl_get_modes(struct drm_connector *connector) @@ -122,8 +76,6 @@ static enum drm_mode_status udl_mode_valid(struct drm_connector *connector, static enum drm_connector_status udl_detect(struct drm_connector *connector, bool force) { - u8 *edid_buff = NULL; - int edid_buff_size = 0; struct udl_device *udl = connector->dev->dev_private; struct udl_drm_connector *udl_connector = container_of(connector, @@ -136,12 +88,10 @@ udl_detect(struct drm_connector *connector, bool force) udl_connector->edid = NULL; } - - if (!udl_get_edid(udl, &edid_buff, &edid_buff_size)) + udl_connector->edid = drm_do_get_edid(connector, udl_get_edid_block, udl); + if (!udl_connector->edid) return connector_status_disconnected; - udl_connector->edid = (struct edid *)edid_buff; - return connector_status_connected; } diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index 5930facd6d2d..11a8f99ba18c 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -191,13 +191,9 @@ static struct drm_gem_object *vgem_gem_create(struct drm_device *dev, ret = drm_gem_handle_create(file, &obj->base, handle); drm_gem_object_put_unlocked(&obj->base); if (ret) - goto err; + return ERR_PTR(ret); return &obj->base; - -err: - __vgem_gem_destroy(obj); - return ERR_PTR(ret); } static int vgem_gem_dumb_create(struct drm_file *file, struct drm_device *dev, diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c index 138b0bb325cf..69048e73377d 100644 --- a/drivers/gpu/drm/vkms/vkms_gem.c +++ b/drivers/gpu/drm/vkms/vkms_gem.c @@ -111,11 +111,8 @@ struct drm_gem_object *vkms_gem_create(struct drm_device *dev, ret = drm_gem_handle_create(file, &obj->gem, handle); drm_gem_object_put_unlocked(&obj->gem); - if (ret) { - drm_gem_object_release(&obj->gem); - kfree(obj); + if (ret) return ERR_PTR(ret); - } return &obj->gem; } diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index f2c681971201..f8979abb9a19 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -131,6 +131,7 @@ config I2C_I801 Cannon Lake (PCH) Cedar Fork (PCH) Ice Lake (PCH) + Comet Lake (PCH) This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index c91e145ef5a5..679c6c41f64b 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -71,6 +71,7 @@ * Cannon Lake-LP (PCH) 0x9da3 32 hard yes yes yes * Cedar Fork (PCH) 0x18df 32 hard yes yes yes * Ice Lake-LP (PCH) 0x34a3 32 hard yes yes yes + * Comet Lake (PCH) 0x02a3 32 hard yes yes yes * * Features supported by this driver: * Software PEC no @@ -240,6 +241,7 @@ #define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS 0xa223 #define PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS 0xa2a3 #define PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS 0xa323 +#define PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS 0x02a3 struct i801_mux_config { char *gpio_chip; @@ -1038,6 +1040,7 @@ static const struct pci_device_id i801_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS) }, { 0, } }; @@ -1534,6 +1537,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) case PCI_DEVICE_ID_INTEL_DNV_SMBUS: case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS: case PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS: + case PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS: priv->features |= FEATURE_I2C_BLOCK_READ; priv->features |= FEATURE_IRQ; priv->features |= FEATURE_SMBUS_PEC; diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 21cb088d6687..f7cdd2ab7f11 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3169,21 +3169,24 @@ static void amd_iommu_get_resv_regions(struct device *dev, return; list_for_each_entry(entry, &amd_iommu_unity_map, list) { + int type, prot = 0; size_t length; - int prot = 0; if (devid < entry->devid_start || devid > entry->devid_end) continue; + type = IOMMU_RESV_DIRECT; length = entry->address_end - entry->address_start; if (entry->prot & IOMMU_PROT_IR) prot |= IOMMU_READ; if (entry->prot & IOMMU_PROT_IW) prot |= IOMMU_WRITE; + if (entry->prot & IOMMU_UNITY_MAP_FLAG_EXCL_RANGE) + /* Exclusion range */ + type = IOMMU_RESV_RESERVED; region = iommu_alloc_resv_region(entry->address_start, - length, prot, - IOMMU_RESV_DIRECT); + length, prot, type); if (!region) { dev_err(dev, "Out of memory allocating dm-regions\n"); return; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index f773792d77fd..1b1378619fc9 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2013,6 +2013,9 @@ static int __init init_unity_map_range(struct ivmd_header *m) if (e == NULL) return -ENOMEM; + if (m->flags & IVMD_FLAG_EXCL_RANGE) + init_exclusion_range(m); + switch (m->type) { default: kfree(e); @@ -2059,9 +2062,7 @@ static int __init init_memory_definitions(struct acpi_table_header *table) while (p < end) { m = (struct ivmd_header *)p; - if (m->flags & IVMD_FLAG_EXCL_RANGE) - init_exclusion_range(m); - else if (m->flags & IVMD_FLAG_UNITY_MAP) + if (m->flags & (IVMD_FLAG_UNITY_MAP | IVMD_FLAG_EXCL_RANGE)) init_unity_map_range(m); p += m->length; diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index eae0741f72dc..87965e4d9647 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -374,6 +374,8 @@ #define IOMMU_PROT_IR 0x01 #define IOMMU_PROT_IW 0x02 +#define IOMMU_UNITY_MAP_FLAG_EXCL_RANGE (1 << 2) + /* IOMMU capabilities */ #define IOMMU_CAP_IOTLB 24 #define IOMMU_CAP_NPCACHE 26 diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index f101afc315ab..9a8a8870e267 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -160,6 +160,14 @@ #define ARM_V7S_TCR_PD1 BIT(5) +#ifdef CONFIG_ZONE_DMA32 +#define ARM_V7S_TABLE_GFP_DMA GFP_DMA32 +#define ARM_V7S_TABLE_SLAB_FLAGS SLAB_CACHE_DMA32 +#else +#define ARM_V7S_TABLE_GFP_DMA GFP_DMA +#define ARM_V7S_TABLE_SLAB_FLAGS SLAB_CACHE_DMA +#endif + typedef u32 arm_v7s_iopte; static bool selftest_running; @@ -197,13 +205,16 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, void *table = NULL; if (lvl == 1) - table = (void *)__get_dma_pages(__GFP_ZERO, get_order(size)); + table = (void *)__get_free_pages( + __GFP_ZERO | ARM_V7S_TABLE_GFP_DMA, get_order(size)); else if (lvl == 2) - table = kmem_cache_zalloc(data->l2_tables, gfp | GFP_DMA); + table = kmem_cache_zalloc(data->l2_tables, gfp); phys = virt_to_phys(table); - if (phys != (arm_v7s_iopte)phys) + if (phys != (arm_v7s_iopte)phys) { /* Doesn't fit in PTE */ + dev_err(dev, "Page table does not fit in PTE: %pa", &phys); goto out_free; + } if (table && !(cfg->quirks & IO_PGTABLE_QUIRK_NO_DMA)) { dma = dma_map_single(dev, table, size, DMA_TO_DEVICE); if (dma_mapping_error(dev, dma)) @@ -733,7 +744,7 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, data->l2_tables = kmem_cache_create("io-pgtable_armv7s_l2", ARM_V7S_TABLE_SIZE(2), ARM_V7S_TABLE_SIZE(2), - SLAB_CACHE_DMA, NULL); + ARM_V7S_TABLE_SLAB_FLAGS, NULL); if (!data->l2_tables) goto out_free_data; diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 33a982e33716..109de67d5d72 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1105,10 +1105,12 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev) dom = __iommu_domain_alloc(dev->bus, iommu_def_domain_type); if (!dom && iommu_def_domain_type != IOMMU_DOMAIN_DMA) { - dev_warn(dev, - "failed to allocate default IOMMU domain of type %u; falling back to IOMMU_DOMAIN_DMA", - iommu_def_domain_type); dom = __iommu_domain_alloc(dev->bus, IOMMU_DOMAIN_DMA); + if (dom) { + dev_warn(dev, + "failed to allocate default IOMMU domain of type %u; falling back to IOMMU_DOMAIN_DMA", + iommu_def_domain_type); + } } group->default_domain = dom; diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c index 7fea18b0c15d..7cb4d685a1f1 100644 --- a/drivers/leds/leds-pca9532.c +++ b/drivers/leds/leds-pca9532.c @@ -513,6 +513,7 @@ static int pca9532_probe(struct i2c_client *client, const struct i2c_device_id *id) { int devid; + const struct of_device_id *of_id; struct pca9532_data *data = i2c_get_clientdata(client); struct pca9532_platform_data *pca9532_pdata = dev_get_platdata(&client->dev); @@ -528,8 +529,11 @@ static int pca9532_probe(struct i2c_client *client, dev_err(&client->dev, "no platform data\n"); return -EINVAL; } - devid = (int)(uintptr_t)of_match_device( - of_pca9532_leds_match, &client->dev)->data; + of_id = of_match_device(of_pca9532_leds_match, + &client->dev); + if (unlikely(!of_id)) + return -EINVAL; + devid = (int)(uintptr_t) of_id->data; } else { devid = id->driver_data; } diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index 3dd3ed46d473..136f86a1627d 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -122,7 +122,8 @@ static ssize_t device_name_store(struct device *dev, trigger_data->net_dev = NULL; } - strncpy(trigger_data->device_name, buf, size); + memcpy(trigger_data->device_name, buf, size); + trigger_data->device_name[size] = 0; if (size > 0 && trigger_data->device_name[size - 1] == '\n') trigger_data->device_name[size - 1] = 0; @@ -301,11 +302,11 @@ static int netdev_trig_notify(struct notifier_block *nb, container_of(nb, struct led_netdev_data, notifier); if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE - && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER - && evt != NETDEV_CHANGENAME) + && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER) return NOTIFY_DONE; - if (strcmp(dev->name, trigger_data->device_name)) + if (!(dev == trigger_data->net_dev || + (evt == NETDEV_REGISTER && !strcmp(dev->name, trigger_data->device_name)))) return NOTIFY_DONE; cancel_delayed_work_sync(&trigger_data->work); @@ -320,12 +321,9 @@ static int netdev_trig_notify(struct notifier_block *nb, dev_hold(dev); trigger_data->net_dev = dev; break; - case NETDEV_CHANGENAME: case NETDEV_UNREGISTER: - if (trigger_data->net_dev) { - dev_put(trigger_data->net_dev); - trigger_data->net_dev = NULL; - } + dev_put(trigger_data->net_dev); + trigger_data->net_dev = NULL; break; case NETDEV_UP: case NETDEV_CHANGE: diff --git a/drivers/misc/habanalabs/command_submission.c b/drivers/misc/habanalabs/command_submission.c index 3525236ed8d9..19c84214a7ea 100644 --- a/drivers/misc/habanalabs/command_submission.c +++ b/drivers/misc/habanalabs/command_submission.c @@ -179,6 +179,12 @@ static void cs_do_release(struct kref *ref) /* We also need to update CI for internal queues */ if (cs->submitted) { + int cs_cnt = atomic_dec_return(&hdev->cs_active_cnt); + + WARN_ONCE((cs_cnt < 0), + "hl%d: error in CS active cnt %d\n", + hdev->id, cs_cnt); + hl_int_hw_queue_update_ci(cs); spin_lock(&hdev->hw_queues_mirror_lock); diff --git a/drivers/misc/habanalabs/debugfs.c b/drivers/misc/habanalabs/debugfs.c index a53c12aff6ad..974a87789bd8 100644 --- a/drivers/misc/habanalabs/debugfs.c +++ b/drivers/misc/habanalabs/debugfs.c @@ -232,6 +232,7 @@ static int vm_show(struct seq_file *s, void *data) struct hl_vm_phys_pg_pack *phys_pg_pack = NULL; enum vm_type_t *vm_type; bool once = true; + u64 j; int i; if (!dev_entry->hdev->mmu_enable) @@ -260,7 +261,7 @@ static int vm_show(struct seq_file *s, void *data) } else { phys_pg_pack = hnode->ptr; seq_printf(s, - " 0x%-14llx %-10u %-4u\n", + " 0x%-14llx %-10llu %-4u\n", hnode->vaddr, phys_pg_pack->total_size, phys_pg_pack->handle); } @@ -282,9 +283,9 @@ static int vm_show(struct seq_file *s, void *data) phys_pg_pack->page_size); seq_puts(s, " physical address\n"); seq_puts(s, "---------------------\n"); - for (i = 0 ; i < phys_pg_pack->npages ; i++) { + for (j = 0 ; j < phys_pg_pack->npages ; j++) { seq_printf(s, " 0x%-14llx\n", - phys_pg_pack->pages[i]); + phys_pg_pack->pages[j]); } } spin_unlock(&vm->idr_lock); diff --git a/drivers/misc/habanalabs/device.c b/drivers/misc/habanalabs/device.c index de46aa6ed154..77d51be66c7e 100644 --- a/drivers/misc/habanalabs/device.c +++ b/drivers/misc/habanalabs/device.c @@ -11,6 +11,8 @@ #include <linux/sched/signal.h> #include <linux/hwmon.h> +#define HL_PLDM_PENDING_RESET_PER_SEC (HL_PENDING_RESET_PER_SEC * 10) + bool hl_device_disabled_or_in_reset(struct hl_device *hdev) { if ((hdev->disabled) || (atomic_read(&hdev->in_reset))) @@ -216,6 +218,7 @@ static int device_early_init(struct hl_device *hdev) spin_lock_init(&hdev->hw_queues_mirror_lock); atomic_set(&hdev->in_reset, 0); atomic_set(&hdev->fd_open_cnt, 0); + atomic_set(&hdev->cs_active_cnt, 0); return 0; @@ -413,6 +416,27 @@ int hl_device_suspend(struct hl_device *hdev) pci_save_state(hdev->pdev); + /* Block future CS/VM/JOB completion operations */ + rc = atomic_cmpxchg(&hdev->in_reset, 0, 1); + if (rc) { + dev_err(hdev->dev, "Can't suspend while in reset\n"); + return -EIO; + } + + /* This blocks all other stuff that is not blocked by in_reset */ + hdev->disabled = true; + + /* + * Flush anyone that is inside the critical section of enqueue + * jobs to the H/W + */ + hdev->asic_funcs->hw_queues_lock(hdev); + hdev->asic_funcs->hw_queues_unlock(hdev); + + /* Flush processes that are sending message to CPU */ + mutex_lock(&hdev->send_cpu_message_lock); + mutex_unlock(&hdev->send_cpu_message_lock); + rc = hdev->asic_funcs->suspend(hdev); if (rc) dev_err(hdev->dev, @@ -440,21 +464,38 @@ int hl_device_resume(struct hl_device *hdev) pci_set_power_state(hdev->pdev, PCI_D0); pci_restore_state(hdev->pdev); - rc = pci_enable_device(hdev->pdev); + rc = pci_enable_device_mem(hdev->pdev); if (rc) { dev_err(hdev->dev, "Failed to enable PCI device in resume\n"); return rc; } + pci_set_master(hdev->pdev); + rc = hdev->asic_funcs->resume(hdev); if (rc) { - dev_err(hdev->dev, - "Failed to enable PCI access from device CPU\n"); - return rc; + dev_err(hdev->dev, "Failed to resume device after suspend\n"); + goto disable_device; + } + + + hdev->disabled = false; + atomic_set(&hdev->in_reset, 0); + + rc = hl_device_reset(hdev, true, false); + if (rc) { + dev_err(hdev->dev, "Failed to reset device during resume\n"); + goto disable_device; } return 0; + +disable_device: + pci_clear_master(hdev->pdev); + pci_disable_device(hdev->pdev); + + return rc; } static void hl_device_hard_reset_pending(struct work_struct *work) @@ -462,9 +503,16 @@ static void hl_device_hard_reset_pending(struct work_struct *work) struct hl_device_reset_work *device_reset_work = container_of(work, struct hl_device_reset_work, reset_work); struct hl_device *hdev = device_reset_work->hdev; - u16 pending_cnt = HL_PENDING_RESET_PER_SEC; + u16 pending_total, pending_cnt; struct task_struct *task = NULL; + if (hdev->pldm) + pending_total = HL_PLDM_PENDING_RESET_PER_SEC; + else + pending_total = HL_PENDING_RESET_PER_SEC; + + pending_cnt = pending_total; + /* Flush all processes that are inside hl_open */ mutex_lock(&hdev->fd_open_cnt_lock); @@ -489,6 +537,19 @@ static void hl_device_hard_reset_pending(struct work_struct *work) } } + pending_cnt = pending_total; + + while ((atomic_read(&hdev->fd_open_cnt)) && (pending_cnt)) { + + pending_cnt--; + + ssleep(1); + } + + if (atomic_read(&hdev->fd_open_cnt)) + dev_crit(hdev->dev, + "Going to hard reset with open user contexts\n"); + mutex_unlock(&hdev->fd_open_cnt_lock); hl_device_reset(hdev, true, true); diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 238dd57c541b..ea979ebd62fb 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -1201,15 +1201,6 @@ static int goya_stop_external_queues(struct hl_device *hdev) return retval; } -static void goya_resume_external_queues(struct hl_device *hdev) -{ - WREG32(mmDMA_QM_0_GLBL_CFG1, 0); - WREG32(mmDMA_QM_1_GLBL_CFG1, 0); - WREG32(mmDMA_QM_2_GLBL_CFG1, 0); - WREG32(mmDMA_QM_3_GLBL_CFG1, 0); - WREG32(mmDMA_QM_4_GLBL_CFG1, 0); -} - /* * goya_init_cpu_queues - Initialize PQ/CQ/EQ of CPU * @@ -2178,36 +2169,6 @@ static int goya_stop_internal_queues(struct hl_device *hdev) return retval; } -static void goya_resume_internal_queues(struct hl_device *hdev) -{ - WREG32(mmMME_QM_GLBL_CFG1, 0); - WREG32(mmMME_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC0_QM_GLBL_CFG1, 0); - WREG32(mmTPC0_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC1_QM_GLBL_CFG1, 0); - WREG32(mmTPC1_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC2_QM_GLBL_CFG1, 0); - WREG32(mmTPC2_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC3_QM_GLBL_CFG1, 0); - WREG32(mmTPC3_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC4_QM_GLBL_CFG1, 0); - WREG32(mmTPC4_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC5_QM_GLBL_CFG1, 0); - WREG32(mmTPC5_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC6_QM_GLBL_CFG1, 0); - WREG32(mmTPC6_CMDQ_GLBL_CFG1, 0); - - WREG32(mmTPC7_QM_GLBL_CFG1, 0); - WREG32(mmTPC7_CMDQ_GLBL_CFG1, 0); -} - static void goya_dma_stall(struct hl_device *hdev) { WREG32(mmDMA_QM_0_GLBL_CFG1, 1 << DMA_QM_0_GLBL_CFG1_DMA_STOP_SHIFT); @@ -2905,20 +2866,6 @@ int goya_suspend(struct hl_device *hdev) { int rc; - rc = goya_stop_internal_queues(hdev); - - if (rc) { - dev_err(hdev->dev, "failed to stop internal queues\n"); - return rc; - } - - rc = goya_stop_external_queues(hdev); - - if (rc) { - dev_err(hdev->dev, "failed to stop external queues\n"); - return rc; - } - rc = goya_send_pci_access_msg(hdev, ARMCP_PACKET_DISABLE_PCI_ACCESS); if (rc) dev_err(hdev->dev, "Failed to disable PCI access from CPU\n"); @@ -2928,15 +2875,7 @@ int goya_suspend(struct hl_device *hdev) int goya_resume(struct hl_device *hdev) { - int rc; - - goya_resume_external_queues(hdev); - goya_resume_internal_queues(hdev); - - rc = goya_send_pci_access_msg(hdev, ARMCP_PACKET_ENABLE_PCI_ACCESS); - if (rc) - dev_err(hdev->dev, "Failed to enable PCI access from CPU\n"); - return rc; + return goya_init_iatu(hdev); } static int goya_cb_mmap(struct hl_device *hdev, struct vm_area_struct *vma, @@ -3070,7 +3009,7 @@ void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id, *dma_handle = hdev->asic_prop.sram_base_address; - base = hdev->pcie_bar[SRAM_CFG_BAR_ID]; + base = (void *) hdev->pcie_bar[SRAM_CFG_BAR_ID]; switch (queue_id) { case GOYA_QUEUE_ID_MME: diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index a7c95e9f9b9a..a8ee52c880cd 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -793,11 +793,11 @@ struct hl_vm_hash_node { * struct hl_vm_phys_pg_pack - physical page pack. * @vm_type: describes the type of the virtual area descriptor. * @pages: the physical page array. + * @npages: num physical pages in the pack. + * @total_size: total size of all the pages in this list. * @mapping_cnt: number of shared mappings. * @asid: the context related to this list. - * @npages: num physical pages in the pack. * @page_size: size of each page in the pack. - * @total_size: total size of all the pages in this list. * @flags: HL_MEM_* flags related to this list. * @handle: the provided handle related to this list. * @offset: offset from the first page. @@ -807,11 +807,11 @@ struct hl_vm_hash_node { struct hl_vm_phys_pg_pack { enum vm_type_t vm_type; /* must be first */ u64 *pages; + u64 npages; + u64 total_size; atomic_t mapping_cnt; u32 asid; - u32 npages; u32 page_size; - u32 total_size; u32 flags; u32 handle; u32 offset; @@ -1056,13 +1056,15 @@ struct hl_device_reset_work { * @cb_pool_lock: protects the CB pool. * @user_ctx: current user context executing. * @dram_used_mem: current DRAM memory consumption. - * @in_reset: is device in reset flow. - * @curr_pll_profile: current PLL profile. - * @fd_open_cnt: number of open user processes. * @timeout_jiffies: device CS timeout value. * @max_power: the max power of the device, as configured by the sysadmin. This * value is saved so in case of hard-reset, KMD will restore this * value and update the F/W after the re-initialization + * @in_reset: is device in reset flow. + * @curr_pll_profile: current PLL profile. + * @fd_open_cnt: number of open user processes. + * @cs_active_cnt: number of active command submissions on this device (active + * means already in H/W queues) * @major: habanalabs KMD major. * @high_pll: high PLL profile frequency. * @soft_reset_cnt: number of soft reset since KMD loading. @@ -1128,11 +1130,12 @@ struct hl_device { struct hl_ctx *user_ctx; atomic64_t dram_used_mem; + u64 timeout_jiffies; + u64 max_power; atomic_t in_reset; atomic_t curr_pll_profile; atomic_t fd_open_cnt; - u64 timeout_jiffies; - u64 max_power; + atomic_t cs_active_cnt; u32 major; u32 high_pll; u32 soft_reset_cnt; diff --git a/drivers/misc/habanalabs/hw_queue.c b/drivers/misc/habanalabs/hw_queue.c index 67bece26417c..ef3bb6951360 100644 --- a/drivers/misc/habanalabs/hw_queue.c +++ b/drivers/misc/habanalabs/hw_queue.c @@ -370,12 +370,13 @@ int hl_hw_queue_schedule_cs(struct hl_cs *cs) spin_unlock(&hdev->hw_queues_mirror_lock); } - list_for_each_entry_safe(job, tmp, &cs->job_list, cs_node) { + atomic_inc(&hdev->cs_active_cnt); + + list_for_each_entry_safe(job, tmp, &cs->job_list, cs_node) if (job->ext_queue) ext_hw_queue_schedule_job(job); else int_hw_queue_schedule_job(job); - } cs->submitted = true; diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c index 3a12fd1a5274..ce1fda40a8b8 100644 --- a/drivers/misc/habanalabs/memory.c +++ b/drivers/misc/habanalabs/memory.c @@ -56,9 +56,9 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, struct hl_device *hdev = ctx->hdev; struct hl_vm *vm = &hdev->vm; struct hl_vm_phys_pg_pack *phys_pg_pack; - u64 paddr = 0; - u32 total_size, num_pgs, num_curr_pgs, page_size, page_shift; - int handle, rc, i; + u64 paddr = 0, total_size, num_pgs, i; + u32 num_curr_pgs, page_size, page_shift; + int handle, rc; bool contiguous; num_curr_pgs = 0; @@ -73,7 +73,7 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, paddr = (u64) gen_pool_alloc(vm->dram_pg_pool, total_size); if (!paddr) { dev_err(hdev->dev, - "failed to allocate %u huge contiguous pages\n", + "failed to allocate %llu huge contiguous pages\n", num_pgs); return -ENOMEM; } @@ -93,7 +93,7 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args, phys_pg_pack->flags = args->flags; phys_pg_pack->contiguous = contiguous; - phys_pg_pack->pages = kcalloc(num_pgs, sizeof(u64), GFP_KERNEL); + phys_pg_pack->pages = kvmalloc_array(num_pgs, sizeof(u64), GFP_KERNEL); if (!phys_pg_pack->pages) { rc = -ENOMEM; goto pages_arr_err; @@ -148,7 +148,7 @@ page_err: gen_pool_free(vm->dram_pg_pool, phys_pg_pack->pages[i], page_size); - kfree(phys_pg_pack->pages); + kvfree(phys_pg_pack->pages); pages_arr_err: kfree(phys_pg_pack); pages_pack_err: @@ -267,7 +267,7 @@ static void free_phys_pg_pack(struct hl_device *hdev, struct hl_vm_phys_pg_pack *phys_pg_pack) { struct hl_vm *vm = &hdev->vm; - int i; + u64 i; if (!phys_pg_pack->created_from_userptr) { if (phys_pg_pack->contiguous) { @@ -288,7 +288,7 @@ static void free_phys_pg_pack(struct hl_device *hdev, } } - kfree(phys_pg_pack->pages); + kvfree(phys_pg_pack->pages); kfree(phys_pg_pack); } @@ -519,7 +519,7 @@ static inline int add_va_block(struct hl_device *hdev, * - Return the start address of the virtual block */ static u64 get_va_block(struct hl_device *hdev, - struct hl_va_range *va_range, u32 size, u64 hint_addr, + struct hl_va_range *va_range, u64 size, u64 hint_addr, bool is_userptr) { struct hl_vm_va_block *va_block, *new_va_block = NULL; @@ -577,7 +577,8 @@ static u64 get_va_block(struct hl_device *hdev, } if (!new_va_block) { - dev_err(hdev->dev, "no available va block for size %u\n", size); + dev_err(hdev->dev, "no available va block for size %llu\n", + size); goto out; } @@ -648,8 +649,8 @@ static int init_phys_pg_pack_from_userptr(struct hl_ctx *ctx, struct hl_vm_phys_pg_pack *phys_pg_pack; struct scatterlist *sg; dma_addr_t dma_addr; - u64 page_mask; - u32 npages, total_npages, page_size = PAGE_SIZE; + u64 page_mask, total_npages; + u32 npages, page_size = PAGE_SIZE; bool first = true, is_huge_page_opt = true; int rc, i, j; @@ -691,7 +692,8 @@ static int init_phys_pg_pack_from_userptr(struct hl_ctx *ctx, page_mask = ~(((u64) page_size) - 1); - phys_pg_pack->pages = kcalloc(total_npages, sizeof(u64), GFP_KERNEL); + phys_pg_pack->pages = kvmalloc_array(total_npages, sizeof(u64), + GFP_KERNEL); if (!phys_pg_pack->pages) { rc = -ENOMEM; goto page_pack_arr_mem_err; @@ -750,9 +752,9 @@ static int map_phys_page_pack(struct hl_ctx *ctx, u64 vaddr, struct hl_vm_phys_pg_pack *phys_pg_pack) { struct hl_device *hdev = ctx->hdev; - u64 next_vaddr = vaddr, paddr; + u64 next_vaddr = vaddr, paddr, mapped_pg_cnt = 0, i; u32 page_size = phys_pg_pack->page_size; - int i, rc = 0, mapped_pg_cnt = 0; + int rc = 0; for (i = 0 ; i < phys_pg_pack->npages ; i++) { paddr = phys_pg_pack->pages[i]; @@ -764,7 +766,7 @@ static int map_phys_page_pack(struct hl_ctx *ctx, u64 vaddr, rc = hl_mmu_map(ctx, next_vaddr, paddr, page_size); if (rc) { dev_err(hdev->dev, - "map failed for handle %u, npages: %d, mapped: %d", + "map failed for handle %u, npages: %llu, mapped: %llu", phys_pg_pack->handle, phys_pg_pack->npages, mapped_pg_cnt); goto err; @@ -985,10 +987,10 @@ static int unmap_device_va(struct hl_ctx *ctx, u64 vaddr) struct hl_vm_hash_node *hnode = NULL; struct hl_userptr *userptr = NULL; enum vm_type_t *vm_type; - u64 next_vaddr; + u64 next_vaddr, i; u32 page_size; bool is_userptr; - int i, rc; + int rc; /* protect from double entrance */ mutex_lock(&ctx->mem_hash_lock); diff --git a/drivers/misc/habanalabs/mmu.c b/drivers/misc/habanalabs/mmu.c index 2f2e99cb2743..3a5a2cec8305 100644 --- a/drivers/misc/habanalabs/mmu.c +++ b/drivers/misc/habanalabs/mmu.c @@ -832,7 +832,7 @@ err: int hl_mmu_map(struct hl_ctx *ctx, u64 virt_addr, u64 phys_addr, u32 page_size) { struct hl_device *hdev = ctx->hdev; - u64 real_virt_addr; + u64 real_virt_addr, real_phys_addr; u32 real_page_size, npages; int i, rc, mapped_cnt = 0; @@ -857,14 +857,16 @@ int hl_mmu_map(struct hl_ctx *ctx, u64 virt_addr, u64 phys_addr, u32 page_size) npages = page_size / real_page_size; real_virt_addr = virt_addr; + real_phys_addr = phys_addr; for (i = 0 ; i < npages ; i++) { - rc = _hl_mmu_map(ctx, real_virt_addr, phys_addr, + rc = _hl_mmu_map(ctx, real_virt_addr, real_phys_addr, real_page_size); if (rc) goto err; real_virt_addr += real_page_size; + real_phys_addr += real_page_size; mapped_cnt++; } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 2839bb70badf..f0716f6ce41f 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -404,15 +404,12 @@ static inline bool nvme_state_is_live(enum nvme_ana_state state) static void nvme_update_ns_ana_state(struct nvme_ana_group_desc *desc, struct nvme_ns *ns) { - enum nvme_ana_state old; - mutex_lock(&ns->head->lock); - old = ns->ana_state; ns->ana_grpid = le32_to_cpu(desc->grpid); ns->ana_state = desc->state; clear_bit(NVME_NS_ANA_PENDING, &ns->flags); - if (nvme_state_is_live(ns->ana_state) && !nvme_state_is_live(old)) + if (nvme_state_is_live(ns->ana_state)) nvme_mpath_set_live(ns); mutex_unlock(&ns->head->lock); } diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index e7e08889865e..68c49dd67210 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -627,7 +627,7 @@ static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, return ret; } -static inline void nvme_tcp_end_request(struct request *rq, __le16 status) +static inline void nvme_tcp_end_request(struct request *rq, u16 status) { union nvme_result res = {}; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 2d73b66e3686..b3e765a95af8 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -509,7 +509,7 @@ int nvmet_ns_enable(struct nvmet_ns *ns) ret = nvmet_p2pmem_ns_enable(ns); if (ret) - goto out_unlock; + goto out_dev_disable; list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry) nvmet_p2pmem_ns_add_p2p(ctrl, ns); @@ -550,7 +550,7 @@ out_unlock: out_dev_put: list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry) pci_dev_put(radix_tree_delete(&ctrl->p2p_ns_map, ns->nsid)); - +out_dev_disable: nvmet_ns_dev_disable(ns); goto out_unlock; } diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c index 3e43212d3c1c..bc6ebb51b0bf 100644 --- a/drivers/nvme/target/io-cmd-file.c +++ b/drivers/nvme/target/io-cmd-file.c @@ -75,11 +75,11 @@ err: return ret; } -static void nvmet_file_init_bvec(struct bio_vec *bv, struct sg_page_iter *iter) +static void nvmet_file_init_bvec(struct bio_vec *bv, struct scatterlist *sg) { - bv->bv_page = sg_page_iter_page(iter); - bv->bv_offset = iter->sg->offset; - bv->bv_len = PAGE_SIZE - iter->sg->offset; + bv->bv_page = sg_page(sg); + bv->bv_offset = sg->offset; + bv->bv_len = sg->length; } static ssize_t nvmet_file_submit_bvec(struct nvmet_req *req, loff_t pos, @@ -128,14 +128,14 @@ static void nvmet_file_io_done(struct kiocb *iocb, long ret, long ret2) static bool nvmet_file_execute_io(struct nvmet_req *req, int ki_flags) { - ssize_t nr_bvec = DIV_ROUND_UP(req->data_len, PAGE_SIZE); - struct sg_page_iter sg_pg_iter; + ssize_t nr_bvec = req->sg_cnt; unsigned long bv_cnt = 0; bool is_sync = false; size_t len = 0, total_len = 0; ssize_t ret = 0; loff_t pos; - + int i; + struct scatterlist *sg; if (req->f.mpool_alloc && nr_bvec > NVMET_MAX_MPOOL_BVEC) is_sync = true; @@ -147,8 +147,8 @@ static bool nvmet_file_execute_io(struct nvmet_req *req, int ki_flags) } memset(&req->f.iocb, 0, sizeof(struct kiocb)); - for_each_sg_page(req->sg, &sg_pg_iter, req->sg_cnt, 0) { - nvmet_file_init_bvec(&req->f.bvec[bv_cnt], &sg_pg_iter); + for_each_sg(req->sg, sg, req->sg_cnt, i) { + nvmet_file_init_bvec(&req->f.bvec[bv_cnt], sg); len += req->f.bvec[bv_cnt].bv_len; total_len += req->f.bvec[bv_cnt].bv_len; bv_cnt++; @@ -225,7 +225,7 @@ static void nvmet_file_submit_buffered_io(struct nvmet_req *req) static void nvmet_file_execute_rw(struct nvmet_req *req) { - ssize_t nr_bvec = DIV_ROUND_UP(req->data_len, PAGE_SIZE); + ssize_t nr_bvec = req->sg_cnt; if (!req->sg_cnt || !nr_bvec) { nvmet_req_complete(req, 0); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 224d88634115..d994839a3e24 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -273,6 +273,7 @@ enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev); u32 pcie_bandwidth_capable(struct pci_dev *dev, enum pci_bus_speed *speed, enum pcie_link_width *width); void __pcie_print_link_status(struct pci_dev *dev, bool verbose); +void pcie_report_downtraining(struct pci_dev *dev); /* Single Root I/O Virtualization */ struct pci_sriov { diff --git a/drivers/pci/pcie/bw_notification.c b/drivers/pci/pcie/bw_notification.c index d2eae3b7cc0f..4fa9e3523ee1 100644 --- a/drivers/pci/pcie/bw_notification.c +++ b/drivers/pci/pcie/bw_notification.c @@ -30,6 +30,8 @@ static void pcie_enable_link_bandwidth_notification(struct pci_dev *dev) { u16 lnk_ctl; + pcie_capability_write_word(dev, PCI_EXP_LNKSTA, PCI_EXP_LNKSTA_LBMS); + pcie_capability_read_word(dev, PCI_EXP_LNKCTL, &lnk_ctl); lnk_ctl |= PCI_EXP_LNKCTL_LBMIE; pcie_capability_write_word(dev, PCI_EXP_LNKCTL, lnk_ctl); @@ -44,11 +46,10 @@ static void pcie_disable_link_bandwidth_notification(struct pci_dev *dev) pcie_capability_write_word(dev, PCI_EXP_LNKCTL, lnk_ctl); } -static irqreturn_t pcie_bw_notification_handler(int irq, void *context) +static irqreturn_t pcie_bw_notification_irq(int irq, void *context) { struct pcie_device *srv = context; struct pci_dev *port = srv->port; - struct pci_dev *dev; u16 link_status, events; int ret; @@ -58,17 +59,26 @@ static irqreturn_t pcie_bw_notification_handler(int irq, void *context) if (ret != PCIBIOS_SUCCESSFUL || !events) return IRQ_NONE; + pcie_capability_write_word(port, PCI_EXP_LNKSTA, events); + pcie_update_link_speed(port->subordinate, link_status); + return IRQ_WAKE_THREAD; +} + +static irqreturn_t pcie_bw_notification_handler(int irq, void *context) +{ + struct pcie_device *srv = context; + struct pci_dev *port = srv->port; + struct pci_dev *dev; + /* * Print status from downstream devices, not this root port or * downstream switch port. */ down_read(&pci_bus_sem); list_for_each_entry(dev, &port->subordinate->devices, bus_list) - __pcie_print_link_status(dev, false); + pcie_report_downtraining(dev); up_read(&pci_bus_sem); - pcie_update_link_speed(port->subordinate, link_status); - pcie_capability_write_word(port, PCI_EXP_LNKSTA, events); return IRQ_HANDLED; } @@ -80,7 +90,8 @@ static int pcie_bandwidth_notification_probe(struct pcie_device *srv) if (!pcie_link_bandwidth_notification_supported(srv->port)) return -ENODEV; - ret = request_threaded_irq(srv->irq, NULL, pcie_bw_notification_handler, + ret = request_threaded_irq(srv->irq, pcie_bw_notification_irq, + pcie_bw_notification_handler, IRQF_SHARED, "PCIe BW notif", srv); if (ret) return ret; diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2ec0df04e0dc..7e12d0163863 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -2388,7 +2388,7 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn) return dev; } -static void pcie_report_downtraining(struct pci_dev *dev) +void pcie_report_downtraining(struct pci_dev *dev) { if (!pci_is_pcie(dev)) return; diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index 5163097b43df..4bbd9ede38c8 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -485,8 +485,11 @@ static int sun4i_usb_phy_set_mode(struct phy *_phy, struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy); int new_mode; - if (phy->index != 0) + if (phy->index != 0) { + if (mode == PHY_MODE_USB_HOST) + return 0; return -EINVAL; + } switch (mode) { case PHY_MODE_USB_HOST: diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 744a64680d5b..e8fc28dba8df 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -624,6 +624,20 @@ static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action) add_timer(&erp_action->timer); } +void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter, + int clear, char *dbftag) +{ + unsigned long flags; + struct zfcp_port *port; + + write_lock_irqsave(&adapter->erp_lock, flags); + read_lock(&adapter->port_list_lock); + list_for_each_entry(port, &adapter->port_list, list) + _zfcp_erp_port_forced_reopen(port, clear, dbftag); + read_unlock(&adapter->port_list_lock); + write_unlock_irqrestore(&adapter->erp_lock, flags); +} + static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter, int clear, char *dbftag) { @@ -1341,6 +1355,9 @@ static void zfcp_erp_try_rport_unblock(struct zfcp_port *port) struct zfcp_scsi_dev *zsdev = sdev_to_zfcp(sdev); int lun_status; + if (sdev->sdev_state == SDEV_DEL || + sdev->sdev_state == SDEV_CANCEL) + continue; if (zsdev->port != port) continue; /* LUN under port of interest */ diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 3fce47b0b21b..c6acca521ffe 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -70,6 +70,8 @@ extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *dbftag); extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); +extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter, + int clear, char *dbftag); extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index db00b5e3abbe..33eddb02ee30 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -239,10 +239,6 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, list_for_each_entry(port, &adapter->port_list, list) { if ((port->d_id & range) == (ntoh24(page->rscn_fid) & range)) zfcp_fc_test_link(port); - if (!port->d_id) - zfcp_erp_port_reopen(port, - ZFCP_STATUS_COMMON_ERP_FAILED, - "fcrscn1"); } read_unlock_irqrestore(&adapter->port_list_lock, flags); } @@ -250,6 +246,7 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req) { struct fsf_status_read_buffer *status_buffer = (void *)fsf_req->data; + struct zfcp_adapter *adapter = fsf_req->adapter; struct fc_els_rscn *head; struct fc_els_rscn_page *page; u16 i; @@ -263,6 +260,22 @@ static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req) no_entries = be16_to_cpu(head->rscn_plen) / sizeof(struct fc_els_rscn_page); + if (no_entries > 1) { + /* handle failed ports */ + unsigned long flags; + struct zfcp_port *port; + + read_lock_irqsave(&adapter->port_list_lock, flags); + list_for_each_entry(port, &adapter->port_list, list) { + if (port->d_id) + continue; + zfcp_erp_port_reopen(port, + ZFCP_STATUS_COMMON_ERP_FAILED, + "fcrscn1"); + } + read_unlock_irqrestore(&adapter->port_list_lock, flags); + } + for (i = 1; i < no_entries; i++) { /* skip head and start with 1st element */ page++; diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index f4f6a07c5222..221d0dfb8493 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -368,6 +368,10 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; int ret = SUCCESS, fc_ret; + if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) { + zfcp_erp_port_forced_reopen_all(adapter, 0, "schrh_p"); + zfcp_erp_wait(adapter); + } zfcp_erp_adapter_reopen(adapter, 0, "schrh_1"); zfcp_erp_wait(adapter); fc_ret = fc_block_scsi_eh(scpnt); diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 1df5171594b8..11fb68d7e60d 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2640,9 +2640,14 @@ static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor) return capacity; } +static inline int aac_pci_offline(struct aac_dev *dev) +{ + return pci_channel_offline(dev->pdev) || dev->handle_pci_error; +} + static inline int aac_adapter_check_health(struct aac_dev *dev) { - if (unlikely(pci_channel_offline(dev->pdev))) + if (unlikely(aac_pci_offline(dev))) return -1; return (dev)->a_ops.adapter_check_health(dev); diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e67e032936ef..78430a7b294c 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -672,7 +672,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, return -ETIMEDOUT; } - if (unlikely(pci_channel_offline(dev->pdev))) + if (unlikely(aac_pci_offline(dev))) return -EFAULT; if ((blink = aac_adapter_check_health(dev)) > 0) { @@ -772,7 +772,7 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback, spin_unlock_irqrestore(&fibptr->event_lock, flags); - if (unlikely(pci_channel_offline(dev->pdev))) + if (unlikely(aac_pci_offline(dev))) return -EFAULT; fibptr->flags |= FIB_CONTEXT_FLAG_WAIT; diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index dbaa4f131433..3ad997ac3510 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -139,6 +139,7 @@ static const struct { { IBMVFC_FC_FAILURE, IBMVFC_VENDOR_SPECIFIC, DID_ERROR, 1, 1, "vendor specific" }, { IBMVFC_FC_SCSI_ERROR, 0, DID_OK, 1, 0, "SCSI error" }, + { IBMVFC_FC_SCSI_ERROR, IBMVFC_COMMAND_FAILED, DID_ERROR, 0, 1, "PRLI to device failed." }, }; static void ibmvfc_npiv_login(struct ibmvfc_host *); @@ -1494,9 +1495,9 @@ static void ibmvfc_log_error(struct ibmvfc_event *evt) if (rsp->flags & FCP_RSP_LEN_VALID) rsp_code = rsp->data.info.rsp_code; - scmd_printk(KERN_ERR, cmnd, "Command (%02X) failed: %s (%x:%x) " + scmd_printk(KERN_ERR, cmnd, "Command (%02X) : %s (%x:%x) " "flags: %x fcp_rsp: %x, resid=%d, scsi_status: %x\n", - cmnd->cmnd[0], err, vfc_cmd->status, vfc_cmd->error, + cmnd->cmnd[0], err, be16_to_cpu(vfc_cmd->status), be16_to_cpu(vfc_cmd->error), rsp->flags, rsp_code, scsi_get_resid(cmnd), rsp->scsi_status); } @@ -2022,7 +2023,7 @@ static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc) sdev_printk(KERN_ERR, sdev, "%s reset failed: %s (%x:%x) " "flags: %x fcp_rsp: %x, scsi_status: %x\n", desc, ibmvfc_get_cmd_error(be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error)), - rsp_iu.cmd.status, rsp_iu.cmd.error, fc_rsp->flags, rsp_code, + be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error), fc_rsp->flags, rsp_code, fc_rsp->scsi_status); rsp_rc = -EIO; } else @@ -2381,7 +2382,7 @@ static int ibmvfc_abort_task_set(struct scsi_device *sdev) sdev_printk(KERN_ERR, sdev, "Abort failed: %s (%x:%x) " "flags: %x fcp_rsp: %x, scsi_status: %x\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error)), - rsp_iu.cmd.status, rsp_iu.cmd.error, fc_rsp->flags, rsp_code, + be16_to_cpu(rsp_iu.cmd.status), be16_to_cpu(rsp_iu.cmd.error), fc_rsp->flags, rsp_code, fc_rsp->scsi_status); rsp_rc = -EIO; } else @@ -2755,16 +2756,18 @@ static void ibmvfc_handle_crq(struct ibmvfc_crq *crq, struct ibmvfc_host *vhost) ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_NONE); if (crq->format == IBMVFC_PARTITION_MIGRATED) { /* We need to re-setup the interpartition connection */ - dev_info(vhost->dev, "Re-enabling adapter\n"); + dev_info(vhost->dev, "Partition migrated, Re-enabling adapter\n"); vhost->client_migrated = 1; ibmvfc_purge_requests(vhost, DID_REQUEUE); ibmvfc_link_down(vhost, IBMVFC_LINK_DOWN); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_REENABLE); - } else { - dev_err(vhost->dev, "Virtual adapter failed (rc=%d)\n", crq->format); + } else if (crq->format == IBMVFC_PARTNER_FAILED || crq->format == IBMVFC_PARTNER_DEREGISTER) { + dev_err(vhost->dev, "Host partner adapter deregistered or failed (rc=%d)\n", crq->format); ibmvfc_purge_requests(vhost, DID_ERROR); ibmvfc_link_down(vhost, IBMVFC_LINK_DOWN); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_RESET); + } else { + dev_err(vhost->dev, "Received unknown transport event from partner (rc=%d)\n", crq->format); } return; case IBMVFC_CRQ_CMD_RSP: @@ -3348,7 +3351,7 @@ static void ibmvfc_tgt_prli_done(struct ibmvfc_event *evt) tgt_log(tgt, level, "Process Login failed: %s (%x:%x) rc=0x%02X\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error, status); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error), status); break; } @@ -3446,9 +3449,10 @@ static void ibmvfc_tgt_plogi_done(struct ibmvfc_event *evt) ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT); tgt_log(tgt, level, "Port Login failed: %s (%x:%x) %s (%x) %s (%x) rc=0x%02X\n", - ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), rsp->status, rsp->error, - ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), rsp->fc_type, - ibmvfc_get_ls_explain(be16_to_cpu(rsp->fc_explain)), rsp->fc_explain, status); + ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error), + ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), be16_to_cpu(rsp->fc_type), + ibmvfc_get_ls_explain(be16_to_cpu(rsp->fc_explain)), be16_to_cpu(rsp->fc_explain), status); break; } @@ -3619,7 +3623,7 @@ static void ibmvfc_tgt_adisc_done(struct ibmvfc_event *evt) fc_explain = (be32_to_cpu(mad->fc_iu.response[1]) & 0x0000ff00) >> 8; tgt_info(tgt, "ADISC failed: %s (%x:%x) %s (%x) %s (%x) rc=0x%02X\n", ibmvfc_get_cmd_error(be16_to_cpu(mad->iu.status), be16_to_cpu(mad->iu.error)), - mad->iu.status, mad->iu.error, + be16_to_cpu(mad->iu.status), be16_to_cpu(mad->iu.error), ibmvfc_get_fc_type(fc_reason), fc_reason, ibmvfc_get_ls_explain(fc_explain), fc_explain, status); break; @@ -3831,9 +3835,10 @@ static void ibmvfc_tgt_query_target_done(struct ibmvfc_event *evt) tgt_log(tgt, level, "Query Target failed: %s (%x:%x) %s (%x) %s (%x) rc=0x%02X\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error, ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), - rsp->fc_type, ibmvfc_get_gs_explain(be16_to_cpu(rsp->fc_explain)), - rsp->fc_explain, status); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error), + ibmvfc_get_fc_type(be16_to_cpu(rsp->fc_type)), be16_to_cpu(rsp->fc_type), + ibmvfc_get_gs_explain(be16_to_cpu(rsp->fc_explain)), be16_to_cpu(rsp->fc_explain), + status); break; } @@ -3959,7 +3964,7 @@ static void ibmvfc_discover_targets_done(struct ibmvfc_event *evt) level += ibmvfc_retry_host_init(vhost); ibmvfc_log(vhost, level, "Discover Targets failed: %s (%x:%x)\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)); break; case IBMVFC_MAD_DRIVER_FAILED: break; @@ -4024,7 +4029,7 @@ static void ibmvfc_npiv_login_done(struct ibmvfc_event *evt) ibmvfc_link_down(vhost, IBMVFC_LINK_DEAD); ibmvfc_log(vhost, level, "NPIV Login failed: %s (%x:%x)\n", ibmvfc_get_cmd_error(be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)), - rsp->status, rsp->error); + be16_to_cpu(rsp->status), be16_to_cpu(rsp->error)); ibmvfc_free_event(evt); return; case IBMVFC_MAD_CRQ_ERROR: diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index b81a53c4a9a8..459cc288ba1d 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -78,9 +78,14 @@ enum ibmvfc_crq_valid { IBMVFC_CRQ_XPORT_EVENT = 0xFF, }; -enum ibmvfc_crq_format { +enum ibmvfc_crq_init_msg { IBMVFC_CRQ_INIT = 0x01, IBMVFC_CRQ_INIT_COMPLETE = 0x02, +}; + +enum ibmvfc_crq_xport_evts { + IBMVFC_PARTNER_FAILED = 0x01, + IBMVFC_PARTNER_DEREGISTER = 0x02, IBMVFC_PARTITION_MIGRATED = 0x06, }; diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index e57774472e75..1d8c584ec1e9 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3281,12 +3281,18 @@ mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid) if (smid < ioc->hi_priority_smid) { struct scsiio_tracker *st; + void *request; st = _get_st_from_smid(ioc, smid); if (!st) { _base_recovery_check(ioc); return; } + + /* Clear MPI request frame */ + request = mpt3sas_base_get_msg_frame(ioc, smid); + memset(request, 0, ioc->request_sz); + mpt3sas_base_clear_st(ioc, st); _base_recovery_check(ioc); return; diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 8bb5b8f9f4d2..1ccfbc7eebe0 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -1462,11 +1462,23 @@ mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid) { struct scsi_cmnd *scmd = NULL; struct scsiio_tracker *st; + Mpi25SCSIIORequest_t *mpi_request; if (smid > 0 && smid <= ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) { u32 unique_tag = smid - 1; + mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); + + /* + * If SCSI IO request is outstanding at driver level then + * DevHandle filed must be non-zero. If DevHandle is zero + * then it means that this smid is free at driver level, + * so return NULL. + */ + if (!mpi_request->DevHandle) + return scmd; + scmd = scsi_host_find_tag(ioc->shost, unique_tag); if (scmd) { st = scsi_cmd_priv(scmd); diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 16a18d5d856f..6e4f4931ae17 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3203,6 +3203,8 @@ static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) return -EINVAL; ep = iscsi_lookup_endpoint(transport_fd); + if (!ep) + return -EINVAL; conn = cls_conn->dd_data; qla_conn = conn->dd_data; qla_conn->qla_ep = ep->dd_data; diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 6a9040faed00..3b119ca0cc0c 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -771,6 +771,12 @@ store_state_field(struct device *dev, struct device_attribute *attr, mutex_lock(&sdev->state_mutex); ret = scsi_device_set_state(sdev, state); + /* + * If the device state changes to SDEV_RUNNING, we need to run + * the queue to avoid I/O hang. + */ + if (ret == 0 && state == SDEV_RUNNING) + blk_mq_run_hw_queues(sdev->request_queue, true); mutex_unlock(&sdev->state_mutex); return ret == 0 ? count : -EINVAL; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 251db30d0882..2b2bc4b49d78 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1415,11 +1415,6 @@ static void sd_release(struct gendisk *disk, fmode_t mode) scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW); } - /* - * XXX and what if there are packets in flight and this close() - * XXX is followed by a "rmmod sd_mod"? - */ - scsi_disk_put(sdkp); } @@ -3076,6 +3071,9 @@ static bool sd_validate_opt_xfer_size(struct scsi_disk *sdkp, unsigned int opt_xfer_bytes = logical_to_bytes(sdp, sdkp->opt_xfer_blocks); + if (sdkp->opt_xfer_blocks == 0) + return false; + if (sdkp->opt_xfer_blocks > dev_max) { sd_first_printk(KERN_WARNING, sdkp, "Optimal transfer size %u logical blocks " \ @@ -3505,9 +3503,21 @@ static void scsi_disk_release(struct device *dev) { struct scsi_disk *sdkp = to_scsi_disk(dev); struct gendisk *disk = sdkp->disk; - + struct request_queue *q = disk->queue; + ida_free(&sd_index_ida, sdkp->index); + /* + * Wait until all requests that are in progress have completed. + * This is necessary to avoid that e.g. scsi_end_request() crashes + * due to clearing the disk->private_data pointer. Wait from inside + * scsi_disk_release() instead of from sd_release() to avoid that + * freezing and unfreezing the request queue affects user space I/O + * in case multiple processes open a /dev/sd... node concurrently. + */ + blk_mq_freeze_queue(q); + blk_mq_unfreeze_queue(q); + disk->private_data = NULL; put_disk(disk); put_device(&sdkp->device->sdev_gendev); diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index c0901b96cfe4..62951e836cbc 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -114,8 +114,6 @@ source "drivers/staging/ralink-gdma/Kconfig" source "drivers/staging/mt7621-mmc/Kconfig" -source "drivers/staging/mt7621-eth/Kconfig" - source "drivers/staging/mt7621-dts/Kconfig" source "drivers/staging/gasket/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 57c6bce13ff4..d1b17ddcd354 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -47,7 +47,6 @@ obj-$(CONFIG_SPI_MT7621) += mt7621-spi/ obj-$(CONFIG_SOC_MT7621) += mt7621-dma/ obj-$(CONFIG_DMA_RALINK) += ralink-gdma/ obj-$(CONFIG_MTK_MMC) += mt7621-mmc/ -obj-$(CONFIG_NET_MEDIATEK_SOC_STAGING) += mt7621-eth/ obj-$(CONFIG_SOC_MT7621) += mt7621-dts/ obj-$(CONFIG_STAGING_GASKET_FRAMEWORK) += gasket/ obj-$(CONFIG_XIL_AXIS_FIFO) += axis-fifo/ diff --git a/drivers/staging/axis-fifo/Kconfig b/drivers/staging/axis-fifo/Kconfig index 687537203d9c..d9725888af6f 100644 --- a/drivers/staging/axis-fifo/Kconfig +++ b/drivers/staging/axis-fifo/Kconfig @@ -3,6 +3,7 @@ # config XIL_AXIS_FIFO tristate "Xilinx AXI-Stream FIFO IP core driver" + depends on OF default n help This adds support for the Xilinx AXI-Stream diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index a7d569cfca5d..0dff1ac057cd 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -1001,6 +1001,8 @@ int comedi_dio_insn_config(struct comedi_device *dev, unsigned int mask); unsigned int comedi_dio_update_state(struct comedi_subdevice *s, unsigned int *data); +unsigned int comedi_bytes_per_scan_cmd(struct comedi_subdevice *s, + struct comedi_cmd *cmd); unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s); unsigned int comedi_nscans_left(struct comedi_subdevice *s, unsigned int nscans); diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index eefa62f42c0f..5a32b8fc000e 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -394,11 +394,13 @@ unsigned int comedi_dio_update_state(struct comedi_subdevice *s, EXPORT_SYMBOL_GPL(comedi_dio_update_state); /** - * comedi_bytes_per_scan() - Get length of asynchronous command "scan" in bytes + * comedi_bytes_per_scan_cmd() - Get length of asynchronous command "scan" in + * bytes * @s: COMEDI subdevice. + * @cmd: COMEDI command. * * Determines the overall scan length according to the subdevice type and the - * number of channels in the scan. + * number of channels in the scan for the specified command. * * For digital input, output or input/output subdevices, samples for * multiple channels are assumed to be packed into one or more unsigned @@ -408,9 +410,9 @@ EXPORT_SYMBOL_GPL(comedi_dio_update_state); * * Returns the overall scan length in bytes. */ -unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s) +unsigned int comedi_bytes_per_scan_cmd(struct comedi_subdevice *s, + struct comedi_cmd *cmd) { - struct comedi_cmd *cmd = &s->async->cmd; unsigned int num_samples; unsigned int bits_per_sample; @@ -427,6 +429,29 @@ unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s) } return comedi_samples_to_bytes(s, num_samples); } +EXPORT_SYMBOL_GPL(comedi_bytes_per_scan_cmd); + +/** + * comedi_bytes_per_scan() - Get length of asynchronous command "scan" in bytes + * @s: COMEDI subdevice. + * + * Determines the overall scan length according to the subdevice type and the + * number of channels in the scan for the current command. + * + * For digital input, output or input/output subdevices, samples for + * multiple channels are assumed to be packed into one or more unsigned + * short or unsigned int values according to the subdevice's %SDF_LSAMPL + * flag. For other types of subdevice, samples are assumed to occupy a + * whole unsigned short or unsigned int according to the %SDF_LSAMPL flag. + * + * Returns the overall scan length in bytes. + */ +unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s) +{ + struct comedi_cmd *cmd = &s->async->cmd; + + return comedi_bytes_per_scan_cmd(s, cmd); +} EXPORT_SYMBOL_GPL(comedi_bytes_per_scan); static unsigned int __comedi_nscans_left(struct comedi_subdevice *s, diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 5edf59ac6706..b04dad8c7092 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -3545,6 +3545,7 @@ static int ni_cdio_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { struct ni_private *devpriv = dev->private; + unsigned int bytes_per_scan; int err = 0; /* Step 1 : check if triggers are trivially valid */ @@ -3579,9 +3580,12 @@ static int ni_cdio_cmdtest(struct comedi_device *dev, err |= comedi_check_trigger_arg_is(&cmd->convert_arg, 0); err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len); - err |= comedi_check_trigger_arg_max(&cmd->stop_arg, - s->async->prealloc_bufsz / - comedi_bytes_per_scan(s)); + bytes_per_scan = comedi_bytes_per_scan_cmd(s, cmd); + if (bytes_per_scan) { + err |= comedi_check_trigger_arg_max(&cmd->stop_arg, + s->async->prealloc_bufsz / + bytes_per_scan); + } if (err) return 3; diff --git a/drivers/staging/erofs/dir.c b/drivers/staging/erofs/dir.c index 829f7b12e0dc..9bbc68729c11 100644 --- a/drivers/staging/erofs/dir.c +++ b/drivers/staging/erofs/dir.c @@ -23,6 +23,21 @@ static const unsigned char erofs_filetype_table[EROFS_FT_MAX] = { [EROFS_FT_SYMLINK] = DT_LNK, }; +static void debug_one_dentry(unsigned char d_type, const char *de_name, + unsigned int de_namelen) +{ +#ifdef CONFIG_EROFS_FS_DEBUG + /* since the on-disk name could not have the trailing '\0' */ + unsigned char dbg_namebuf[EROFS_NAME_LEN + 1]; + + memcpy(dbg_namebuf, de_name, de_namelen); + dbg_namebuf[de_namelen] = '\0'; + + debugln("found dirent %s de_len %u d_type %d", dbg_namebuf, + de_namelen, d_type); +#endif +} + static int erofs_fill_dentries(struct dir_context *ctx, void *dentry_blk, unsigned int *ofs, unsigned int nameoff, unsigned int maxsize) @@ -33,14 +48,10 @@ static int erofs_fill_dentries(struct dir_context *ctx, de = dentry_blk + *ofs; while (de < end) { const char *de_name; - int de_namelen; + unsigned int de_namelen; unsigned char d_type; -#ifdef CONFIG_EROFS_FS_DEBUG - unsigned int dbg_namelen; - unsigned char dbg_namebuf[EROFS_NAME_LEN]; -#endif - if (unlikely(de->file_type < EROFS_FT_MAX)) + if (de->file_type < EROFS_FT_MAX) d_type = erofs_filetype_table[de->file_type]; else d_type = DT_UNKNOWN; @@ -48,26 +59,20 @@ static int erofs_fill_dentries(struct dir_context *ctx, nameoff = le16_to_cpu(de->nameoff); de_name = (char *)dentry_blk + nameoff; - de_namelen = unlikely(de + 1 >= end) ? - /* last directory entry */ - strnlen(de_name, maxsize - nameoff) : - le16_to_cpu(de[1].nameoff) - nameoff; + /* the last dirent in the block? */ + if (de + 1 >= end) + de_namelen = strnlen(de_name, maxsize - nameoff); + else + de_namelen = le16_to_cpu(de[1].nameoff) - nameoff; /* a corrupted entry is found */ - if (unlikely(de_namelen < 0)) { + if (unlikely(nameoff + de_namelen > maxsize || + de_namelen > EROFS_NAME_LEN)) { DBG_BUGON(1); return -EIO; } -#ifdef CONFIG_EROFS_FS_DEBUG - dbg_namelen = min(EROFS_NAME_LEN - 1, de_namelen); - memcpy(dbg_namebuf, de_name, dbg_namelen); - dbg_namebuf[dbg_namelen] = '\0'; - - debugln("%s, found de_name %s de_len %d d_type %d", __func__, - dbg_namebuf, de_namelen, d_type); -#endif - + debug_one_dentry(d_type, de_name, de_namelen); if (!dir_emit(ctx, de_name, de_namelen, le64_to_cpu(de->nid), d_type)) /* stopped by some reason */ diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c index 8715bc50e09c..31eef8395774 100644 --- a/drivers/staging/erofs/unzip_vle.c +++ b/drivers/staging/erofs/unzip_vle.c @@ -972,6 +972,7 @@ repeat: overlapped = false; compressed_pages = grp->compressed_pages; + err = 0; for (i = 0; i < clusterpages; ++i) { unsigned int pagenr; @@ -981,26 +982,39 @@ repeat: DBG_BUGON(!page); DBG_BUGON(!page->mapping); - if (z_erofs_is_stagingpage(page)) - continue; + if (!z_erofs_is_stagingpage(page)) { #ifdef EROFS_FS_HAS_MANAGED_CACHE - if (page->mapping == MNGD_MAPPING(sbi)) { - DBG_BUGON(!PageUptodate(page)); - continue; - } + if (page->mapping == MNGD_MAPPING(sbi)) { + if (unlikely(!PageUptodate(page))) + err = -EIO; + continue; + } #endif - /* only non-head page could be reused as a compressed page */ - pagenr = z_erofs_onlinepage_index(page); + /* + * only if non-head page can be selected + * for inplace decompression + */ + pagenr = z_erofs_onlinepage_index(page); - DBG_BUGON(pagenr >= nr_pages); - DBG_BUGON(pages[pagenr]); - ++sparsemem_pages; - pages[pagenr] = page; + DBG_BUGON(pagenr >= nr_pages); + DBG_BUGON(pages[pagenr]); + ++sparsemem_pages; + pages[pagenr] = page; - overlapped = true; + overlapped = true; + } + + /* PG_error needs checking for inplaced and staging pages */ + if (unlikely(PageError(page))) { + DBG_BUGON(PageUptodate(page)); + err = -EIO; + } } + if (unlikely(err)) + goto out; + llen = (nr_pages << PAGE_SHIFT) - work->pageofs; if (z_erofs_vle_workgrp_fmt(grp) == Z_EROFS_VLE_WORKGRP_FMT_PLAIN) { @@ -1029,6 +1043,10 @@ repeat: skip_allocpage: vout = erofs_vmap(pages, nr_pages); + if (!vout) { + err = -ENOMEM; + goto out; + } err = z_erofs_vle_unzip_vmap(compressed_pages, clusterpages, vout, llen, work->pageofs, overlapped); @@ -1194,6 +1212,7 @@ repeat: if (page->mapping == mc) { WRITE_ONCE(grp->compressed_pages[nr], page); + ClearPageError(page); if (!PagePrivate(page)) { /* * impossible to be !PagePrivate(page) for diff --git a/drivers/staging/erofs/unzip_vle_lz4.c b/drivers/staging/erofs/unzip_vle_lz4.c index 48b263a2731a..0daac9b984a8 100644 --- a/drivers/staging/erofs/unzip_vle_lz4.c +++ b/drivers/staging/erofs/unzip_vle_lz4.c @@ -136,10 +136,13 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, nr_pages = DIV_ROUND_UP(outlen + pageofs, PAGE_SIZE); - if (clusterpages == 1) + if (clusterpages == 1) { vin = kmap_atomic(compressed_pages[0]); - else + } else { vin = erofs_vmap(compressed_pages, clusterpages); + if (!vin) + return -ENOMEM; + } preempt_disable(); vout = erofs_pcpubuf[smp_processor_id()].data; diff --git a/drivers/staging/mt7621-dts/gbpc1.dts b/drivers/staging/mt7621-dts/gbpc1.dts index b73385540216..250c15ace2a7 100644 --- a/drivers/staging/mt7621-dts/gbpc1.dts +++ b/drivers/staging/mt7621-dts/gbpc1.dts @@ -117,22 +117,6 @@ status = "okay"; }; -ðernet { - //mtd-mac-address = <&factory 0xe000>; - gmac1: mac@0 { - compatible = "mediatek,eth-mac"; - reg = <0>; - phy-handle = <&phy1>; - }; - - mdio-bus { - phy1: ethernet-phy@1 { - reg = <1>; - phy-mode = "rgmii"; - }; - }; -}; - &pinctrl { state_default: pinctrl0 { gpio { @@ -141,3 +125,16 @@ }; }; }; + +&switch0 { + ports { + port@0 { + label = "ethblack"; + status = "ok"; + }; + port@4 { + label = "ethblue"; + status = "ok"; + }; + }; +}; diff --git a/drivers/staging/mt7621-dts/mt7621.dtsi b/drivers/staging/mt7621-dts/mt7621.dtsi index 6aff3680ce4b..17020e24abd2 100644 --- a/drivers/staging/mt7621-dts/mt7621.dtsi +++ b/drivers/staging/mt7621-dts/mt7621.dtsi @@ -372,16 +372,83 @@ mediatek,ethsys = <ðsys>; - mediatek,switch = <&gsw>; + gmac0: mac@0 { + compatible = "mediatek,eth-mac"; + reg = <0>; + phy-mode = "rgmii"; + fixed-link { + speed = <1000>; + full-duplex; + pause; + }; + }; + gmac1: mac@1 { + compatible = "mediatek,eth-mac"; + reg = <1>; + status = "off"; + phy-mode = "rgmii"; + phy-handle = <&phy5>; + }; mdio-bus { #address-cells = <1>; #size-cells = <0>; - phy1f: ethernet-phy@1f { - reg = <0x1f>; + phy5: ethernet-phy@5 { + reg = <5>; phy-mode = "rgmii"; }; + + switch0: switch0@0 { + compatible = "mediatek,mt7621"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + mediatek,mcm; + resets = <&rstctrl 2>; + reset-names = "mcm"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + port@0 { + status = "off"; + reg = <0>; + label = "lan0"; + }; + port@1 { + status = "off"; + reg = <1>; + label = "lan1"; + }; + port@2 { + status = "off"; + reg = <2>; + label = "lan2"; + }; + port@3 { + status = "off"; + reg = <3>; + label = "lan3"; + }; + port@4 { + status = "off"; + reg = <4>; + label = "lan4"; + }; + port@6 { + reg = <6>; + label = "cpu"; + ethernet = <&gmac0>; + phy-mode = "trgmii"; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + }; + }; }; }; diff --git a/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt b/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt deleted file mode 100644 index 596b38552697..000000000000 --- a/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt +++ /dev/null @@ -1,48 +0,0 @@ -Mediatek Gigabit Switch -======================= - -The mediatek gigabit switch can be found on Mediatek SoCs. - -Required properties: -- compatible: Should be "mediatek,mt7620-gsw", "mediatek,mt7621-gsw", - "mediatek,mt7623-gsw" -- reg: Address and length of the register set for the device -- interrupts: Should contain the gigabit switches interrupt - - -Additional required properties for ARM based SoCs: -- mediatek,reset-pin: phandle describing the reset GPIO -- clocks: the clocks used by the switch -- clock-names: the names of the clocks listed in the clocks property - these should be "trgpll", "esw", "gp2", "gp1" -- mt7530-supply: the phandle of the regulator used to power the switch -- mediatek,pctl-regmap: phandle to the port control regmap. this is used to - setup the drive current - - -Optional properties: -- interrupt-parent: Should be the phandle for the interrupt controller - that services interrupts for this device - -Example: - -gsw: switch@1b100000 { - compatible = "mediatek,mt7623-gsw"; - reg = <0 0x1b110000 0 0x300000>; - - interrupt-parent = <&pio>; - interrupts = <168 IRQ_TYPE_EDGE_RISING>; - - clocks = <&apmixedsys CLK_APMIXED_TRGPLL>, - <ðsys CLK_ETHSYS_ESW>, - <ðsys CLK_ETHSYS_GP2>, - <ðsys CLK_ETHSYS_GP1>; - clock-names = "trgpll", "esw", "gp2", "gp1"; - - mt7530-supply = <&mt6323_vpa_reg>; - - mediatek,pctl-regmap = <&syscfg_pctl_a>; - mediatek,reset-pin = <&pio 15 0>; - - status = "okay"; -}; diff --git a/drivers/staging/mt7621-eth/Kconfig b/drivers/staging/mt7621-eth/Kconfig deleted file mode 100644 index 44ea86c7a96c..000000000000 --- a/drivers/staging/mt7621-eth/Kconfig +++ /dev/null @@ -1,39 +0,0 @@ -config NET_VENDOR_MEDIATEK_STAGING - bool "MediaTek ethernet driver - staging version" - depends on RALINK - ---help--- - If you have an MT7621 Mediatek SoC with ethernet, say Y. - -if NET_VENDOR_MEDIATEK_STAGING -choice - prompt "MAC type" - -config NET_MEDIATEK_MT7621 - bool "MT7621" - depends on MIPS && SOC_MT7621 - -endchoice - -config NET_MEDIATEK_SOC_STAGING - tristate "MediaTek SoC Gigabit Ethernet support" - depends on NET_VENDOR_MEDIATEK_STAGING - select PHYLIB - ---help--- - This driver supports the gigabit ethernet MACs in the - MediaTek SoC family. - -config NET_MEDIATEK_MDIO - def_bool NET_MEDIATEK_SOC_STAGING - depends on NET_MEDIATEK_MT7621 - select PHYLIB - -config NET_MEDIATEK_MDIO_MT7620 - def_bool NET_MEDIATEK_SOC_STAGING - depends on NET_MEDIATEK_MT7621 - select NET_MEDIATEK_MDIO - -config NET_MEDIATEK_GSW_MT7621 - def_tristate NET_MEDIATEK_SOC_STAGING - depends on NET_MEDIATEK_MT7621 - -endif #NET_VENDOR_MEDIATEK_STAGING diff --git a/drivers/staging/mt7621-eth/Makefile b/drivers/staging/mt7621-eth/Makefile deleted file mode 100644 index 018bcc3596b3..000000000000 --- a/drivers/staging/mt7621-eth/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# Makefile for the Ralink SoCs built-in ethernet macs -# - -mtk-eth-soc-y += mtk_eth_soc.o ethtool.o - -mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO) += mdio.o -mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO_MT7620) += mdio_mt7620.o - -mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7621) += soc_mt7621.o - -obj-$(CONFIG_NET_MEDIATEK_GSW_MT7621) += gsw_mt7621.o - -obj-$(CONFIG_NET_MEDIATEK_SOC_STAGING) += mtk-eth-soc.o diff --git a/drivers/staging/mt7621-eth/TODO b/drivers/staging/mt7621-eth/TODO deleted file mode 100644 index f9e47d4b4cd4..000000000000 --- a/drivers/staging/mt7621-eth/TODO +++ /dev/null @@ -1,13 +0,0 @@ - -- verify devicetree documentation is consistent with code -- fix ethtool - currently doesn't return valid data. -- general code review and clean up -- add support for second MAC on mt7621 -- convert gsw code to use switchdev interfaces -- md7620_mmi_write etc should probably be wrapped - in a regmap abstraction. -- Get soc_mt7621 to work with QDMA TX if possible. -- Ensure phys are correctly configured when a cable - is plugged in. - -Cc: NeilBrown <neil@brown.name> diff --git a/drivers/staging/mt7621-eth/ethtool.c b/drivers/staging/mt7621-eth/ethtool.c deleted file mode 100644 index 8c4228e2c987..000000000000 --- a/drivers/staging/mt7621-eth/ethtool.c +++ /dev/null @@ -1,250 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include "mtk_eth_soc.h" -#include "ethtool.h" - -struct mtk_stat { - char name[ETH_GSTRING_LEN]; - unsigned int idx; -}; - -#define MTK_HW_STAT(stat) { \ - .name = #stat, \ - .idx = offsetof(struct mtk_hw_stats, stat) / sizeof(u64) \ -} - -static const struct mtk_stat mtk_ethtool_hw_stats[] = { - MTK_HW_STAT(tx_bytes), - MTK_HW_STAT(tx_packets), - MTK_HW_STAT(tx_skip), - MTK_HW_STAT(tx_collisions), - MTK_HW_STAT(rx_bytes), - MTK_HW_STAT(rx_packets), - MTK_HW_STAT(rx_overflow), - MTK_HW_STAT(rx_fcs_errors), - MTK_HW_STAT(rx_short_errors), - MTK_HW_STAT(rx_long_errors), - MTK_HW_STAT(rx_checksum_errors), - MTK_HW_STAT(rx_flow_control_packets), -}; - -#define MTK_HW_STATS_LEN ARRAY_SIZE(mtk_ethtool_hw_stats) - -static int mtk_get_link_ksettings(struct net_device *dev, - struct ethtool_link_ksettings *cmd) -{ - struct mtk_mac *mac = netdev_priv(dev); - int err; - - if (!mac->phy_dev) - return -ENODEV; - - if (mac->phy_flags == MTK_PHY_FLAG_ATTACH) { - err = phy_read_status(mac->phy_dev); - if (err) - return -ENODEV; - } - - phy_ethtool_ksettings_get(mac->phy_dev, cmd); - return 0; -} - -static int mtk_set_link_ksettings(struct net_device *dev, - const struct ethtool_link_ksettings *cmd) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if (!mac->phy_dev) - return -ENODEV; - - if (cmd->base.phy_address != mac->phy_dev->mdio.addr) { - if (mac->hw->phy->phy_node[cmd->base.phy_address]) { - mac->phy_dev = mac->hw->phy->phy[cmd->base.phy_address]; - mac->phy_flags = MTK_PHY_FLAG_PORT; - } else if (mac->hw->mii_bus) { - mac->phy_dev = mdiobus_get_phy(mac->hw->mii_bus, - cmd->base.phy_address); - if (!mac->phy_dev) - return -ENODEV; - mac->phy_flags = MTK_PHY_FLAG_ATTACH; - } else { - return -ENODEV; - } - } - - return phy_ethtool_ksettings_set(mac->phy_dev, cmd); -} - -static void mtk_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_soc_data *soc = mac->hw->soc; - - strlcpy(info->driver, mac->hw->dev->driver->name, sizeof(info->driver)); - strlcpy(info->bus_info, dev_name(mac->hw->dev), sizeof(info->bus_info)); - - if (soc->reg_table[MTK_REG_MTK_COUNTER_BASE]) - info->n_stats = MTK_HW_STATS_LEN; -} - -static u32 mtk_get_msglevel(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - - return mac->hw->msg_enable; -} - -static void mtk_set_msglevel(struct net_device *dev, u32 value) -{ - struct mtk_mac *mac = netdev_priv(dev); - - mac->hw->msg_enable = value; -} - -static int mtk_nway_reset(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if (!mac->phy_dev) - return -EOPNOTSUPP; - - return genphy_restart_aneg(mac->phy_dev); -} - -static u32 mtk_get_link(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - int err; - - if (!mac->phy_dev) - goto out_get_link; - - if (mac->phy_flags == MTK_PHY_FLAG_ATTACH) { - err = genphy_update_link(mac->phy_dev); - if (err) - goto out_get_link; - } - - return mac->phy_dev->link; - -out_get_link: - return ethtool_op_get_link(dev); -} - -static int mtk_set_ringparam(struct net_device *dev, - struct ethtool_ringparam *ring) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if ((ring->tx_pending < 2) || - (ring->rx_pending < 2) || - (ring->rx_pending > mac->hw->soc->dma_ring_size) || - (ring->tx_pending > mac->hw->soc->dma_ring_size)) - return -EINVAL; - - dev->netdev_ops->ndo_stop(dev); - - mac->hw->tx_ring.tx_ring_size = BIT(fls(ring->tx_pending) - 1); - mac->hw->rx_ring[0].rx_ring_size = BIT(fls(ring->rx_pending) - 1); - - return dev->netdev_ops->ndo_open(dev); -} - -static void mtk_get_ringparam(struct net_device *dev, - struct ethtool_ringparam *ring) -{ - struct mtk_mac *mac = netdev_priv(dev); - - ring->rx_max_pending = mac->hw->soc->dma_ring_size; - ring->tx_max_pending = mac->hw->soc->dma_ring_size; - ring->rx_pending = mac->hw->rx_ring[0].rx_ring_size; - ring->tx_pending = mac->hw->tx_ring.tx_ring_size; -} - -static void mtk_get_strings(struct net_device *dev, u32 stringset, u8 *data) -{ - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < MTK_HW_STATS_LEN; i++) { - memcpy(data, mtk_ethtool_hw_stats[i].name, - ETH_GSTRING_LEN); - data += ETH_GSTRING_LEN; - } - break; - } -} - -static int mtk_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return MTK_HW_STATS_LEN; - default: - return -EOPNOTSUPP; - } -} - -static void mtk_get_ethtool_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_hw_stats *hwstats = mac->hw_stats; - unsigned int start; - int i; - - if (netif_running(dev) && netif_device_present(dev)) { - if (spin_trylock(&hwstats->stats_lock)) { - mtk_stats_update_mac(mac); - spin_unlock(&hwstats->stats_lock); - } - } - - do { - start = u64_stats_fetch_begin_irq(&hwstats->syncp); - for (i = 0; i < MTK_HW_STATS_LEN; i++) - data[i] = ((u64 *)hwstats)[mtk_ethtool_hw_stats[i].idx]; - - } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start)); -} - -static struct ethtool_ops mtk_ethtool_ops = { - .get_link_ksettings = mtk_get_link_ksettings, - .set_link_ksettings = mtk_set_link_ksettings, - .get_drvinfo = mtk_get_drvinfo, - .get_msglevel = mtk_get_msglevel, - .set_msglevel = mtk_set_msglevel, - .nway_reset = mtk_nway_reset, - .get_link = mtk_get_link, - .set_ringparam = mtk_set_ringparam, - .get_ringparam = mtk_get_ringparam, -}; - -void mtk_set_ethtool_ops(struct net_device *netdev) -{ - struct mtk_mac *mac = netdev_priv(netdev); - struct mtk_soc_data *soc = mac->hw->soc; - - if (soc->reg_table[MTK_REG_MTK_COUNTER_BASE]) { - mtk_ethtool_ops.get_strings = mtk_get_strings; - mtk_ethtool_ops.get_sset_count = mtk_get_sset_count; - mtk_ethtool_ops.get_ethtool_stats = mtk_get_ethtool_stats; - } - - netdev->ethtool_ops = &mtk_ethtool_ops; -} diff --git a/drivers/staging/mt7621-eth/ethtool.h b/drivers/staging/mt7621-eth/ethtool.h deleted file mode 100644 index 0071469aea6c..000000000000 --- a/drivers/staging/mt7621-eth/ethtool.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef MTK_ETHTOOL_H -#define MTK_ETHTOOL_H - -#include <linux/ethtool.h> - -void mtk_set_ethtool_ops(struct net_device *netdev); - -#endif /* MTK_ETHTOOL_H */ diff --git a/drivers/staging/mt7621-eth/gsw_mt7620.h b/drivers/staging/mt7621-eth/gsw_mt7620.h deleted file mode 100644 index 70f7e5481952..000000000000 --- a/drivers/staging/mt7621-eth/gsw_mt7620.h +++ /dev/null @@ -1,277 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef _RALINK_GSW_MT7620_H__ -#define _RALINK_GSW_MT7620_H__ - -#define GSW_REG_PHY_TIMEOUT (5 * HZ) - -#define MT7620_GSW_REG_PIAC 0x0004 - -#define GSW_NUM_VLANS 16 -#define GSW_NUM_VIDS 4096 -#define GSW_NUM_PORTS 7 -#define GSW_PORT6 6 - -#define GSW_MDIO_ACCESS BIT(31) -#define GSW_MDIO_READ BIT(19) -#define GSW_MDIO_WRITE BIT(18) -#define GSW_MDIO_START BIT(16) -#define GSW_MDIO_ADDR_SHIFT 20 -#define GSW_MDIO_REG_SHIFT 25 - -#define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100)) -#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100)) -#define GSW_REG_SMACCR0 0x3fE4 -#define GSW_REG_SMACCR1 0x3fE8 -#define GSW_REG_CKGCR 0x3ff0 - -#define GSW_REG_IMR 0x7008 -#define GSW_REG_ISR 0x700c -#define GSW_REG_GPC1 0x7014 - -#define SYSC_REG_CHIP_REV_ID 0x0c -#define SYSC_REG_CFG 0x10 -#define SYSC_REG_CFG1 0x14 -#define RST_CTRL_MCM BIT(2) -#define SYSC_PAD_RGMII2_MDIO 0x58 -#define SYSC_GPIO_MODE 0x60 - -#define PORT_IRQ_ST_CHG 0x7f - -#define MT7621_ESW_PHY_POLLING 0x0000 -#define MT7620_ESW_PHY_POLLING 0x7000 - -#define PMCR_IPG BIT(18) -#define PMCR_MAC_MODE BIT(16) -#define PMCR_FORCE BIT(15) -#define PMCR_TX_EN BIT(14) -#define PMCR_RX_EN BIT(13) -#define PMCR_BACKOFF BIT(9) -#define PMCR_BACKPRES BIT(8) -#define PMCR_RX_FC BIT(5) -#define PMCR_TX_FC BIT(4) -#define PMCR_SPEED(_x) (_x << 2) -#define PMCR_DUPLEX BIT(1) -#define PMCR_LINK BIT(0) - -#define PHY_AN_EN BIT(31) -#define PHY_PRE_EN BIT(30) -#define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24) - -/* ethernet subsystem config register */ -#define ETHSYS_SYSCFG0 0x14 -/* ethernet subsystem clock register */ -#define ETHSYS_CLKCFG0 0x2c -#define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) - -/* p5 RGMII wrapper TX clock control register */ -#define MT7530_P5RGMIITXCR 0x7b04 -/* p5 RGMII wrapper RX clock control register */ -#define MT7530_P5RGMIIRXCR 0x7b00 -/* TRGMII TDX ODT registers */ -#define MT7530_TRGMII_TD0_ODT 0x7a54 -#define MT7530_TRGMII_TD1_ODT 0x7a5c -#define MT7530_TRGMII_TD2_ODT 0x7a64 -#define MT7530_TRGMII_TD3_ODT 0x7a6c -#define MT7530_TRGMII_TD4_ODT 0x7a74 -#define MT7530_TRGMII_TD5_ODT 0x7a7c -/* TRGMII TCK ctrl register */ -#define MT7530_TRGMII_TCK_CTRL 0x7a78 -/* TRGMII Tx ctrl register */ -#define MT7530_TRGMII_TXCTRL 0x7a40 -/* port 6 extended control register */ -#define MT7530_P6ECR 0x7830 -/* IO driver control register */ -#define MT7530_IO_DRV_CR 0x7810 -/* top signal control register */ -#define MT7530_TOP_SIG_CTRL 0x7808 -/* modified hwtrap register */ -#define MT7530_MHWTRAP 0x7804 -/* hwtrap status register */ -#define MT7530_HWTRAP 0x7800 -/* status interrupt register */ -#define MT7530_SYS_INT_STS 0x700c -/* system nterrupt register */ -#define MT7530_SYS_INT_EN 0x7008 -/* system control register */ -#define MT7530_SYS_CTRL 0x7000 -/* port MAC status register */ -#define MT7530_PMSR_P(x) (0x3008 + (x * 0x100)) -/* port MAC control register */ -#define MT7530_PMCR_P(x) (0x3000 + (x * 0x100)) - -#define MT7621_XTAL_SHIFT 6 -#define MT7621_XTAL_MASK 0x7 -#define MT7621_XTAL_25 6 -#define MT7621_XTAL_40 3 -#define MT7621_MDIO_DRV_MASK (3 << 4) -#define MT7621_GE1_MODE_MASK (3 << 12) - -#define TRGMII_TXCTRL_TXC_INV BIT(30) -#define P6ECR_INTF_MODE_RGMII BIT(1) -#define P5RGMIIRXCR_C_ALIGN BIT(8) -#define P5RGMIIRXCR_DELAY_2 BIT(1) -#define P5RGMIITXCR_DELAY_2 (BIT(8) | BIT(2)) - -/* TOP_SIG_CTRL bits */ -#define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16)) - -/* MHWTRAP bits */ -#define MHWTRAP_MANUAL BIT(16) -#define MHWTRAP_P5_MAC_SEL BIT(13) -#define MHWTRAP_P6_DIS BIT(8) -#define MHWTRAP_P5_RGMII_MODE BIT(7) -#define MHWTRAP_P5_DIS BIT(6) -#define MHWTRAP_PHY_ACCESS BIT(5) - -/* HWTRAP bits */ -#define HWTRAP_XTAL_SHIFT 9 -#define HWTRAP_XTAL_MASK 0x3 - -/* SYS_CTRL bits */ -#define SYS_CTRL_SW_RST BIT(1) -#define SYS_CTRL_REG_RST BIT(0) - -/* PMCR bits */ -#define PMCR_IFG_XMIT_96 BIT(18) -#define PMCR_MAC_MODE BIT(16) -#define PMCR_FORCE_MODE BIT(15) -#define PMCR_TX_EN BIT(14) -#define PMCR_RX_EN BIT(13) -#define PMCR_BACK_PRES_EN BIT(9) -#define PMCR_BACKOFF_EN BIT(8) -#define PMCR_TX_FC_EN BIT(5) -#define PMCR_RX_FC_EN BIT(4) -#define PMCR_FORCE_SPEED_1000 BIT(3) -#define PMCR_FORCE_FDX BIT(1) -#define PMCR_FORCE_LNK BIT(0) -#define PMCR_FIXED_LINK (PMCR_IFG_XMIT_96 | PMCR_MAC_MODE | \ - PMCR_FORCE_MODE | PMCR_TX_EN | PMCR_RX_EN | \ - PMCR_BACK_PRES_EN | PMCR_BACKOFF_EN | \ - PMCR_FORCE_SPEED_1000 | PMCR_FORCE_FDX | \ - PMCR_FORCE_LNK) - -#define PMCR_FIXED_LINK_FC (PMCR_FIXED_LINK | \ - PMCR_TX_FC_EN | PMCR_RX_FC_EN) - -/* TRGMII control registers */ -#define GSW_INTF_MODE 0x390 -#define GSW_TRGMII_TD0_ODT 0x354 -#define GSW_TRGMII_TD1_ODT 0x35c -#define GSW_TRGMII_TD2_ODT 0x364 -#define GSW_TRGMII_TD3_ODT 0x36c -#define GSW_TRGMII_TXCTL_ODT 0x374 -#define GSW_TRGMII_TCK_ODT 0x37c -#define GSW_TRGMII_RCK_CTRL 0x300 - -#define INTF_MODE_TRGMII BIT(1) -#define TRGMII_RCK_CTRL_RX_RST BIT(31) - -/* Mac control registers */ -#define MTK_MAC_P2_MCR 0x200 -#define MTK_MAC_P1_MCR 0x100 - -#define MAC_MCR_MAX_RX_2K BIT(29) -#define MAC_MCR_IPG_CFG (BIT(18) | BIT(16)) -#define MAC_MCR_FORCE_MODE BIT(15) -#define MAC_MCR_TX_EN BIT(14) -#define MAC_MCR_RX_EN BIT(13) -#define MAC_MCR_BACKOFF_EN BIT(9) -#define MAC_MCR_BACKPR_EN BIT(8) -#define MAC_MCR_FORCE_RX_FC BIT(5) -#define MAC_MCR_FORCE_TX_FC BIT(4) -#define MAC_MCR_SPEED_1000 BIT(3) -#define MAC_MCR_FORCE_DPX BIT(1) -#define MAC_MCR_FORCE_LINK BIT(0) -#define MAC_MCR_FIXED_LINK (MAC_MCR_MAX_RX_2K | MAC_MCR_IPG_CFG | \ - MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | \ - MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | \ - MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_RX_FC | \ - MAC_MCR_FORCE_TX_FC | MAC_MCR_SPEED_1000 | \ - MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_LINK) -#define MAC_MCR_FIXED_LINK_FC (MAC_MCR_MAX_RX_2K | MAC_MCR_IPG_CFG | \ - MAC_MCR_FIXED_LINK) - -/* possible XTAL speed */ -#define MT7623_XTAL_40 0 -#define MT7623_XTAL_20 1 -#define MT7623_XTAL_25 3 - -/* GPIO port control registers */ -#define GPIO_OD33_CTRL8 0x4c0 -#define GPIO_BIAS_CTRL 0xed0 -#define GPIO_DRV_SEL10 0xf00 - -/* on MT7620 the functio of port 4 can be software configured */ -enum { - PORT4_EPHY = 0, - PORT4_EXT, -}; - -/* struct mt7620_gsw - the structure that holds the SoC specific data - * @dev: The Device struct - * @base: The base address - * @piac_offset: The PIAC base may change depending on SoC - * @irq: The IRQ we are using - * @port4: The port4 mode on MT7620 - * @autopoll: Is MDIO autopolling enabled - * @ethsys: The ethsys register map - * @pctl: The pin control register map - * @clk_gsw: The switch clock - * @clk_gp1: The gmac1 clock - * @clk_gp2: The gmac2 clock - * @clk_trgpll: The trgmii pll clock - */ -struct mt7620_gsw { - struct device *dev; - void __iomem *base; - u32 piac_offset; - int irq; - int port4; - unsigned long int autopoll; - - struct regmap *ethsys; - struct regmap *pctl; - - struct clk *clk_gsw; - struct clk *clk_gp1; - struct clk *clk_gp2; - struct clk *clk_trgpll; -}; - -/* switch register I/O wrappers */ -void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned int reg); -u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned int reg); - -/* the callback used by the driver core to bringup the switch */ -int mtk_gsw_init(struct mtk_eth *eth); - -/* MDIO access wrappers */ -int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); -int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg); -void mt7620_mdio_link_adjust(struct mtk_eth *eth, int port); -int mt7620_has_carrier(struct mtk_eth *eth); -void mt7620_print_link_state(struct mtk_eth *eth, int port, int link, - int speed, int duplex); -void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val); -u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg); -void mt7530_mdio_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, u32 reg); - -u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, - u32 phy_register, u32 write_data); -u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg); -void mt7620_handle_carrier(struct mtk_eth *eth); - -#endif diff --git a/drivers/staging/mt7621-eth/gsw_mt7621.c b/drivers/staging/mt7621-eth/gsw_mt7621.c deleted file mode 100644 index 53767b17bad9..000000000000 --- a/drivers/staging/mt7621-eth/gsw_mt7621.c +++ /dev/null @@ -1,297 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/platform_device.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> - -#include <ralink_regs.h> - -#include "mtk_eth_soc.h" -#include "gsw_mt7620.h" - -void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned int reg) -{ - iowrite32(val, gsw->base + reg); -} -EXPORT_SYMBOL_GPL(mtk_switch_w32); - -u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned int reg) -{ - return ioread32(gsw->base + reg); -} -EXPORT_SYMBOL_GPL(mtk_switch_r32); - -static irqreturn_t gsw_interrupt_mt7621(int irq, void *_eth) -{ - struct mtk_eth *eth = (struct mtk_eth *)_eth; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - u32 reg, i; - - reg = mt7530_mdio_r32(gsw, MT7530_SYS_INT_STS); - - for (i = 0; i < 5; i++) { - unsigned int link; - - if ((reg & BIT(i)) == 0) - continue; - - link = mt7530_mdio_r32(gsw, MT7530_PMSR_P(i)) & 0x1; - - if (link == eth->link[i]) - continue; - - eth->link[i] = link; - if (link) - netdev_info(*eth->netdev, - "port %d link up\n", i); - else - netdev_info(*eth->netdev, - "port %d link down\n", i); - } - - mt7530_mdio_w32(gsw, MT7530_SYS_INT_STS, 0x1f); - - return IRQ_HANDLED; -} - -static void mt7621_hw_init(struct mtk_eth *eth, struct mt7620_gsw *gsw, - struct device_node *np) -{ - u32 i; - u32 val; - - /* hardware reset the switch */ - mtk_reset(eth, RST_CTRL_MCM); - mdelay(10); - - /* reduce RGMII2 PAD driving strength */ - rt_sysc_m32(MT7621_MDIO_DRV_MASK, 0, SYSC_PAD_RGMII2_MDIO); - - /* gpio mux - RGMII1=Normal mode */ - rt_sysc_m32(BIT(14), 0, SYSC_GPIO_MODE); - - /* set GMAC1 RGMII mode */ - rt_sysc_m32(MT7621_GE1_MODE_MASK, 0, SYSC_REG_CFG1); - - /* enable MDIO to control MT7530 */ - rt_sysc_m32(3 << 12, 0, SYSC_GPIO_MODE); - - /* turn off all PHYs */ - for (i = 0; i <= 4; i++) { - val = _mt7620_mii_read(gsw, i, 0x0); - val |= BIT(11); - _mt7620_mii_write(gsw, i, 0x0, val); - } - - /* reset the switch */ - mt7530_mdio_w32(gsw, MT7530_SYS_CTRL, - SYS_CTRL_SW_RST | SYS_CTRL_REG_RST); - usleep_range(10, 20); - - if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) { - /* GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536 */ - mtk_switch_w32(gsw, MAC_MCR_FIXED_LINK, MTK_MAC_P2_MCR); - mt7530_mdio_w32(gsw, MT7530_PMCR_P(6), PMCR_FIXED_LINK); - } else { - /* GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536 */ - mtk_switch_w32(gsw, MAC_MCR_FIXED_LINK_FC, MTK_MAC_P1_MCR); - mt7530_mdio_w32(gsw, MT7530_PMCR_P(6), PMCR_FIXED_LINK_FC); - } - - /* GE2, Link down */ - mtk_switch_w32(gsw, MAC_MCR_FORCE_MODE, MTK_MAC_P2_MCR); - - /* Enable Port 6, P5 as GMAC5, P5 disable */ - val = mt7530_mdio_r32(gsw, MT7530_MHWTRAP); - /* Enable Port 6 */ - val &= ~MHWTRAP_P6_DIS; - /* Disable Port 5 */ - val |= MHWTRAP_P5_DIS; - /* manual override of HW-Trap */ - val |= MHWTRAP_MANUAL; - mt7530_mdio_w32(gsw, MT7530_MHWTRAP, val); - - val = rt_sysc_r32(SYSC_REG_CFG); - val = (val >> MT7621_XTAL_SHIFT) & MT7621_XTAL_MASK; - if (val < MT7621_XTAL_25 && val >= MT7621_XTAL_40) { - /* 40Mhz */ - - /* disable MT7530 core clock */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x410); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x0); - - /* disable MT7530 PLL */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x40d); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x2020); - - /* for MT7530 core clock = 500Mhz */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x40e); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x119); - - /* enable MT7530 PLL */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x40d); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - _mt7620_mii_write(gsw, 0, 14, 0x2820); - - usleep_range(20, 40); - - /* enable MT7530 core clock */ - _mt7620_mii_write(gsw, 0, 13, 0x1f); - _mt7620_mii_write(gsw, 0, 14, 0x410); - _mt7620_mii_write(gsw, 0, 13, 0x401f); - } - - /* RGMII */ - _mt7620_mii_write(gsw, 0, 14, 0x1); - - /* set MT7530 central align */ - mt7530_mdio_m32(gsw, BIT(0), P6ECR_INTF_MODE_RGMII, MT7530_P6ECR); - mt7530_mdio_m32(gsw, TRGMII_TXCTRL_TXC_INV, 0, - MT7530_TRGMII_TXCTRL); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TCK_CTRL, 0x855); - - /* delay setting for 10/1000M */ - mt7530_mdio_w32(gsw, MT7530_P5RGMIIRXCR, - P5RGMIIRXCR_C_ALIGN | P5RGMIIRXCR_DELAY_2); - mt7530_mdio_w32(gsw, MT7530_P5RGMIITXCR, 0x14); - - /* lower Tx Driving*/ - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD0_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD1_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD2_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD3_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD4_ODT, 0x44); - mt7530_mdio_w32(gsw, MT7530_TRGMII_TD5_ODT, 0x44); - - /* turn on all PHYs */ - for (i = 0; i <= 4; i++) { - val = _mt7620_mii_read(gsw, i, 0); - val &= ~BIT(11); - _mt7620_mii_write(gsw, i, 0, val); - } - -#define MT7530_NUM_PORTS 8 -#define REG_ESW_PORT_PCR(x) (0x2004 | ((x) << 8)) -#define REG_ESW_PORT_PVC(x) (0x2010 | ((x) << 8)) -#define REG_ESW_PORT_PPBV1(x) (0x2014 | ((x) << 8)) -#define MT7530_CPU_PORT 6 - - /* This is copied from mt7530_apply_config in libreCMC driver */ - { - int i; - - for (i = 0; i < MT7530_NUM_PORTS; i++) - mt7530_mdio_w32(gsw, REG_ESW_PORT_PCR(i), 0x00400000); - - mt7530_mdio_w32(gsw, REG_ESW_PORT_PCR(MT7530_CPU_PORT), - 0x00ff0000); - - for (i = 0; i < MT7530_NUM_PORTS; i++) - mt7530_mdio_w32(gsw, REG_ESW_PORT_PVC(i), 0x810000c0); - } - - /* enable irq */ - mt7530_mdio_m32(gsw, 0, 3 << 16, MT7530_TOP_SIG_CTRL); - mt7530_mdio_w32(gsw, MT7530_SYS_INT_EN, 0x1f); -} - -static const struct of_device_id mediatek_gsw_match[] = { - { .compatible = "mediatek,mt7621-gsw" }, - {}, -}; -MODULE_DEVICE_TABLE(of, mediatek_gsw_match); - -int mtk_gsw_init(struct mtk_eth *eth) -{ - struct device_node *np = eth->switch_np; - struct platform_device *pdev = of_find_device_by_node(np); - struct mt7620_gsw *gsw; - - if (!pdev) - return -ENODEV; - - if (!of_device_is_compatible(np, mediatek_gsw_match->compatible)) - return -EINVAL; - - gsw = platform_get_drvdata(pdev); - eth->sw_priv = gsw; - - if (!gsw->irq) - return -EINVAL; - - request_irq(gsw->irq, gsw_interrupt_mt7621, 0, - "gsw", eth); - disable_irq(gsw->irq); - - mt7621_hw_init(eth, gsw, np); - - enable_irq(gsw->irq); - - return 0; -} -EXPORT_SYMBOL_GPL(mtk_gsw_init); - -static int mt7621_gsw_probe(struct platform_device *pdev) -{ - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct mt7620_gsw *gsw; - - gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL); - if (!gsw) - return -ENOMEM; - - gsw->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(gsw->base)) - return PTR_ERR(gsw->base); - - gsw->dev = &pdev->dev; - gsw->irq = irq_of_parse_and_map(pdev->dev.of_node, 0); - - platform_set_drvdata(pdev, gsw); - - return 0; -} - -static int mt7621_gsw_remove(struct platform_device *pdev) -{ - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver gsw_driver = { - .probe = mt7621_gsw_probe, - .remove = mt7621_gsw_remove, - .driver = { - .name = "mt7621-gsw", - .of_match_table = mediatek_gsw_match, - }, -}; - -module_platform_driver(gsw_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7621 SoC"); diff --git a/drivers/staging/mt7621-eth/mdio.c b/drivers/staging/mt7621-eth/mdio.c deleted file mode 100644 index 5fea6a447eed..000000000000 --- a/drivers/staging/mt7621-eth/mdio.c +++ /dev/null @@ -1,275 +0,0 @@ -/* 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; version 2 of the License - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/phy.h> -#include <linux/of_net.h> -#include <linux/of_mdio.h> - -#include "mtk_eth_soc.h" -#include "mdio.h" - -static int mtk_mdio_reset(struct mii_bus *bus) -{ - /* TODO */ - return 0; -} - -static void mtk_phy_link_adjust(struct net_device *dev) -{ - struct mtk_eth *eth = netdev_priv(dev); - unsigned long flags; - int i; - - spin_lock_irqsave(ð->phy->lock, flags); - for (i = 0; i < 8; i++) { - if (eth->phy->phy_node[i]) { - struct phy_device *phydev = eth->phy->phy[i]; - int status_change = 0; - - if (phydev->link) - if (eth->phy->duplex[i] != phydev->duplex || - eth->phy->speed[i] != phydev->speed) - status_change = 1; - - if (phydev->link != eth->link[i]) - status_change = 1; - - switch (phydev->speed) { - case SPEED_1000: - case SPEED_100: - case SPEED_10: - eth->link[i] = phydev->link; - eth->phy->duplex[i] = phydev->duplex; - eth->phy->speed[i] = phydev->speed; - - if (status_change && - eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - break; - } - } - } - spin_unlock_irqrestore(ð->phy->lock, flags); -} - -int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac, - struct device_node *phy_node) -{ - const __be32 *_port = NULL; - struct phy_device *phydev; - int phy_mode, port; - - _port = of_get_property(phy_node, "reg", NULL); - - if (!_port || (be32_to_cpu(*_port) >= 0x20)) { - pr_err("%pOFn: invalid port id\n", phy_node); - return -EINVAL; - } - port = be32_to_cpu(*_port); - phy_mode = of_get_phy_mode(phy_node); - if (phy_mode < 0) { - dev_err(eth->dev, "incorrect phy-mode %d\n", phy_mode); - eth->phy->phy_node[port] = NULL; - return -EINVAL; - } - - phydev = of_phy_connect(eth->netdev[mac->id], phy_node, - mtk_phy_link_adjust, 0, phy_mode); - if (!phydev) { - dev_err(eth->dev, "could not connect to PHY\n"); - eth->phy->phy_node[port] = NULL; - return -ENODEV; - } - - phydev->supported &= PHY_1000BT_FEATURES; - phydev->advertising = phydev->supported; - - dev_info(eth->dev, - "connected port %d to PHY at %s [uid=%08x, driver=%s]\n", - port, phydev_name(phydev), phydev->phy_id, - phydev->drv->name); - - eth->phy->phy[port] = phydev; - eth->link[port] = 0; - - return 0; -} - -static void phy_init(struct mtk_eth *eth, struct mtk_mac *mac, - struct phy_device *phy) -{ - phy_attach(eth->netdev[mac->id], phydev_name(phy), - PHY_INTERFACE_MODE_MII); - - phy->autoneg = AUTONEG_ENABLE; - phy->speed = 0; - phy->duplex = 0; - phy_set_max_speed(phy, SPEED_100); - phy->advertising = phy->supported | ADVERTISED_Autoneg; - - phy_start_aneg(phy); -} - -static int mtk_phy_connect(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - int i; - - for (i = 0; i < 8; i++) { - if (eth->phy->phy_node[i]) { - if (!mac->phy_dev) { - mac->phy_dev = eth->phy->phy[i]; - mac->phy_flags = MTK_PHY_FLAG_PORT; - } - } else if (eth->mii_bus) { - struct phy_device *phy; - - phy = mdiobus_get_phy(eth->mii_bus, i); - if (phy) { - phy_init(eth, mac, phy); - if (!mac->phy_dev) { - mac->phy_dev = phy; - mac->phy_flags = MTK_PHY_FLAG_ATTACH; - } - } - } - } - - return 0; -} - -static void mtk_phy_disconnect(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - unsigned long flags; - int i; - - for (i = 0; i < 8; i++) - if (eth->phy->phy_fixed[i]) { - spin_lock_irqsave(ð->phy->lock, flags); - eth->link[i] = 0; - if (eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - spin_unlock_irqrestore(ð->phy->lock, flags); - } else if (eth->phy->phy[i]) { - phy_disconnect(eth->phy->phy[i]); - } else if (eth->mii_bus) { - struct phy_device *phy = - mdiobus_get_phy(eth->mii_bus, i); - - if (phy) - phy_detach(phy); - } -} - -static void mtk_phy_start(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - unsigned long flags; - int i; - - for (i = 0; i < 8; i++) { - if (eth->phy->phy_fixed[i]) { - spin_lock_irqsave(ð->phy->lock, flags); - eth->link[i] = 1; - if (eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - spin_unlock_irqrestore(ð->phy->lock, flags); - } else if (eth->phy->phy[i]) { - phy_start(eth->phy->phy[i]); - } - } -} - -static void mtk_phy_stop(struct mtk_mac *mac) -{ - struct mtk_eth *eth = mac->hw; - unsigned long flags; - int i; - - for (i = 0; i < 8; i++) - if (eth->phy->phy_fixed[i]) { - spin_lock_irqsave(ð->phy->lock, flags); - eth->link[i] = 0; - if (eth->soc->mdio_adjust_link) - eth->soc->mdio_adjust_link(eth, i); - spin_unlock_irqrestore(ð->phy->lock, flags); - } else if (eth->phy->phy[i]) { - phy_stop(eth->phy->phy[i]); - } -} - -static struct mtk_phy phy_ralink = { - .connect = mtk_phy_connect, - .disconnect = mtk_phy_disconnect, - .start = mtk_phy_start, - .stop = mtk_phy_stop, -}; - -int mtk_mdio_init(struct mtk_eth *eth) -{ - struct device_node *mii_np; - int err; - - if (!eth->soc->mdio_read || !eth->soc->mdio_write) - return 0; - - spin_lock_init(&phy_ralink.lock); - eth->phy = &phy_ralink; - - mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus"); - if (!mii_np) { - dev_err(eth->dev, "no %s child node found", "mdio-bus"); - return -ENODEV; - } - - if (!of_device_is_available(mii_np)) { - err = 0; - goto err_put_node; - } - - eth->mii_bus = mdiobus_alloc(); - if (!eth->mii_bus) { - err = -ENOMEM; - goto err_put_node; - } - - eth->mii_bus->name = "mdio"; - eth->mii_bus->read = eth->soc->mdio_read; - eth->mii_bus->write = eth->soc->mdio_write; - eth->mii_bus->reset = mtk_mdio_reset; - eth->mii_bus->priv = eth; - eth->mii_bus->parent = eth->dev; - - snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np); - err = of_mdiobus_register(eth->mii_bus, mii_np); - if (err) - goto err_free_bus; - - return 0; - -err_free_bus: - kfree(eth->mii_bus); -err_put_node: - of_node_put(mii_np); - eth->mii_bus = NULL; - return err; -} - -void mtk_mdio_cleanup(struct mtk_eth *eth) -{ - if (!eth->mii_bus) - return; - - mdiobus_unregister(eth->mii_bus); - of_node_put(eth->mii_bus->dev.of_node); - kfree(eth->mii_bus); -} diff --git a/drivers/staging/mt7621-eth/mdio.h b/drivers/staging/mt7621-eth/mdio.h deleted file mode 100644 index b14e23842a01..000000000000 --- a/drivers/staging/mt7621-eth/mdio.h +++ /dev/null @@ -1,27 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef _RALINK_MDIO_H__ -#define _RALINK_MDIO_H__ - -#ifdef CONFIG_NET_MEDIATEK_MDIO -int mtk_mdio_init(struct mtk_eth *eth); -void mtk_mdio_cleanup(struct mtk_eth *eth); -int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac, - struct device_node *phy_node); -#else -static inline int mtk_mdio_init(struct mtk_eth *eth) { return 0; } -static inline void mtk_mdio_cleanup(struct mtk_eth *eth) {} -#endif -#endif diff --git a/drivers/staging/mt7621-eth/mdio_mt7620.c b/drivers/staging/mt7621-eth/mdio_mt7620.c deleted file mode 100644 index ced605c2914e..000000000000 --- a/drivers/staging/mt7621-eth/mdio_mt7620.c +++ /dev/null @@ -1,173 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> - -#include "mtk_eth_soc.h" -#include "gsw_mt7620.h" -#include "mdio.h" - -static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw) -{ - unsigned long t_start = jiffies; - - while (1) { - if (!(mtk_switch_r32(gsw, - gsw->piac_offset + MT7620_GSW_REG_PIAC) & - GSW_MDIO_ACCESS)) - return 0; - if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) - break; - } - - dev_err(gsw->dev, "mdio: MDIO timeout\n"); - return -1; -} - -u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, - u32 phy_register, u32 write_data) -{ - if (mt7620_mii_busy_wait(gsw)) - return -1; - - write_data &= 0xffff; - - mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE | - (phy_register << GSW_MDIO_REG_SHIFT) | - (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data, - MT7620_GSW_REG_PIAC); - - if (mt7620_mii_busy_wait(gsw)) - return -1; - - return 0; -} -EXPORT_SYMBOL_GPL(_mt7620_mii_write); - -u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg) -{ - u32 d; - - if (mt7620_mii_busy_wait(gsw)) - return 0xffff; - - mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ | - (phy_reg << GSW_MDIO_REG_SHIFT) | - (phy_addr << GSW_MDIO_ADDR_SHIFT), - MT7620_GSW_REG_PIAC); - - if (mt7620_mii_busy_wait(gsw)) - return 0xffff; - - d = mtk_switch_r32(gsw, MT7620_GSW_REG_PIAC) & 0xffff; - - return d; -} -EXPORT_SYMBOL_GPL(_mt7620_mii_read); - -int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val) -{ - struct mtk_eth *eth = bus->priv; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - - return _mt7620_mii_write(gsw, phy_addr, phy_reg, val); -} - -int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg) -{ - struct mtk_eth *eth = bus->priv; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - - return _mt7620_mii_read(gsw, phy_addr, phy_reg); -} - -void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val) -{ - _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff); - _mt7620_mii_write(gsw, 0x1f, (reg >> 2) & 0xf, val & 0xffff); - _mt7620_mii_write(gsw, 0x1f, 0x10, val >> 16); -} -EXPORT_SYMBOL_GPL(mt7530_mdio_w32); - -u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg) -{ - u16 high, low; - - _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff); - low = _mt7620_mii_read(gsw, 0x1f, (reg >> 2) & 0xf); - high = _mt7620_mii_read(gsw, 0x1f, 0x10); - - return (high << 16) | (low & 0xffff); -} -EXPORT_SYMBOL_GPL(mt7530_mdio_r32); - -void mt7530_mdio_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, u32 reg) -{ - u32 val = mt7530_mdio_r32(gsw, reg); - - val &= ~mask; - val |= set; - mt7530_mdio_w32(gsw, reg, val); -} -EXPORT_SYMBOL_GPL(mt7530_mdio_m32); - -static unsigned char *mtk_speed_str(int speed) -{ - switch (speed) { - case 2: - case SPEED_1000: - return "1000"; - case 1: - case SPEED_100: - return "100"; - case 0: - case SPEED_10: - return "10"; - } - - return "? "; -} - -int mt7620_has_carrier(struct mtk_eth *eth) -{ - struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv; - int i; - - for (i = 0; i < GSW_PORT6; i++) - if (mt7530_mdio_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1) - return 1; - return 0; -} - -void mt7620_print_link_state(struct mtk_eth *eth, int port, int link, - int speed, int duplex) -{ - struct mt7620_gsw *gsw = eth->sw_priv; - - if (link) - dev_info(gsw->dev, "port %d link up (%sMbps/%s duplex)\n", - port, mtk_speed_str(speed), - (duplex) ? "Full" : "Half"); - else - dev_info(gsw->dev, "port %d link down\n", port); -} - -void mt7620_mdio_link_adjust(struct mtk_eth *eth, int port) -{ - mt7620_print_link_state(eth, port, eth->link[port], - eth->phy->speed[port], - (eth->phy->duplex[port] == DUPLEX_FULL)); -} diff --git a/drivers/staging/mt7621-eth/mtk_eth_soc.c b/drivers/staging/mt7621-eth/mtk_eth_soc.c deleted file mode 100644 index 6027b19f7bc2..000000000000 --- a/drivers/staging/mt7621-eth/mtk_eth_soc.c +++ /dev/null @@ -1,2176 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/skbuff.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/platform_device.h> -#include <linux/of_device.h> -#include <linux/mfd/syscon.h> -#include <linux/clk.h> -#include <linux/of_net.h> -#include <linux/of_mdio.h> -#include <linux/if_vlan.h> -#include <linux/reset.h> -#include <linux/tcp.h> -#include <linux/io.h> -#include <linux/bug.h> -#include <linux/regmap.h> - -#include "mtk_eth_soc.h" -#include "mdio.h" -#include "ethtool.h" - -#define MAX_RX_LENGTH 1536 -#define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) -#define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) -#define DMA_DUMMY_DESC 0xffffffff -#define MTK_DEFAULT_MSG_ENABLE \ - (NETIF_MSG_DRV | \ - NETIF_MSG_PROBE | \ - NETIF_MSG_LINK | \ - NETIF_MSG_TIMER | \ - NETIF_MSG_IFDOWN | \ - NETIF_MSG_IFUP | \ - NETIF_MSG_RX_ERR | \ - NETIF_MSG_TX_ERR) - -#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE) -#define NEXT_TX_DESP_IDX(X) (((X) + 1) & (ring->tx_ring_size - 1)) -#define NEXT_RX_DESP_IDX(X) (((X) + 1) & (ring->rx_ring_size - 1)) - -#define SYSC_REG_RSTCTRL 0x34 - -static int mtk_msg_level = -1; -module_param_named(msg_level, mtk_msg_level, int, 0); -MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)"); - -static const u16 mtk_reg_table_default[MTK_REG_COUNT] = { - [MTK_REG_PDMA_GLO_CFG] = MTK_PDMA_GLO_CFG, - [MTK_REG_PDMA_RST_CFG] = MTK_PDMA_RST_CFG, - [MTK_REG_DLY_INT_CFG] = MTK_DLY_INT_CFG, - [MTK_REG_TX_BASE_PTR0] = MTK_TX_BASE_PTR0, - [MTK_REG_TX_MAX_CNT0] = MTK_TX_MAX_CNT0, - [MTK_REG_TX_CTX_IDX0] = MTK_TX_CTX_IDX0, - [MTK_REG_TX_DTX_IDX0] = MTK_TX_DTX_IDX0, - [MTK_REG_RX_BASE_PTR0] = MTK_RX_BASE_PTR0, - [MTK_REG_RX_MAX_CNT0] = MTK_RX_MAX_CNT0, - [MTK_REG_RX_CALC_IDX0] = MTK_RX_CALC_IDX0, - [MTK_REG_RX_DRX_IDX0] = MTK_RX_DRX_IDX0, - [MTK_REG_MTK_INT_ENABLE] = MTK_INT_ENABLE, - [MTK_REG_MTK_INT_STATUS] = MTK_INT_STATUS, - [MTK_REG_MTK_DMA_VID_BASE] = MTK_DMA_VID0, - [MTK_REG_MTK_COUNTER_BASE] = MTK_GDMA1_TX_GBCNT, - [MTK_REG_MTK_RST_GL] = MTK_RST_GL, -}; - -static const u16 *mtk_reg_table = mtk_reg_table_default; - -void mtk_w32(struct mtk_eth *eth, u32 val, unsigned int reg) -{ - __raw_writel(val, eth->base + reg); -} - -u32 mtk_r32(struct mtk_eth *eth, unsigned int reg) -{ - return __raw_readl(eth->base + reg); -} - -static void mtk_reg_w32(struct mtk_eth *eth, u32 val, enum mtk_reg reg) -{ - mtk_w32(eth, val, mtk_reg_table[reg]); -} - -static u32 mtk_reg_r32(struct mtk_eth *eth, enum mtk_reg reg) -{ - return mtk_r32(eth, mtk_reg_table[reg]); -} - -/* these bits are also exposed via the reset-controller API. however the switch - * and FE need to be brought out of reset in the exakt same moemtn and the - * reset-controller api does not provide this feature yet. Do the reset manually - * until we fixed the reset-controller api to be able to do this - */ -void mtk_reset(struct mtk_eth *eth, u32 reset_bits) -{ - u32 val; - - regmap_read(eth->ethsys, SYSC_REG_RSTCTRL, &val); - val |= reset_bits; - regmap_write(eth->ethsys, SYSC_REG_RSTCTRL, val); - usleep_range(10, 20); - val &= ~reset_bits; - regmap_write(eth->ethsys, SYSC_REG_RSTCTRL, val); - usleep_range(10, 20); -} -EXPORT_SYMBOL(mtk_reset); - -static inline void mtk_irq_ack(struct mtk_eth *eth, u32 mask) -{ - if (eth->soc->dma_type & MTK_PDMA) - mtk_reg_w32(eth, mask, MTK_REG_MTK_INT_STATUS); - if (eth->soc->dma_type & MTK_QDMA) - mtk_w32(eth, mask, MTK_QMTK_INT_STATUS); -} - -static inline u32 mtk_irq_pending(struct mtk_eth *eth) -{ - u32 status = 0; - - if (eth->soc->dma_type & MTK_PDMA) - status |= mtk_reg_r32(eth, MTK_REG_MTK_INT_STATUS); - if (eth->soc->dma_type & MTK_QDMA) - status |= mtk_r32(eth, MTK_QMTK_INT_STATUS); - - return status; -} - -static void mtk_irq_ack_status(struct mtk_eth *eth, u32 mask) -{ - u32 status_reg = MTK_REG_MTK_INT_STATUS; - - if (mtk_reg_table[MTK_REG_MTK_INT_STATUS2]) - status_reg = MTK_REG_MTK_INT_STATUS2; - - mtk_reg_w32(eth, mask, status_reg); -} - -static u32 mtk_irq_pending_status(struct mtk_eth *eth) -{ - u32 status_reg = MTK_REG_MTK_INT_STATUS; - - if (mtk_reg_table[MTK_REG_MTK_INT_STATUS2]) - status_reg = MTK_REG_MTK_INT_STATUS2; - - return mtk_reg_r32(eth, status_reg); -} - -static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask) -{ - u32 val; - - if (eth->soc->dma_type & MTK_PDMA) { - val = mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - mtk_reg_w32(eth, val & ~mask, MTK_REG_MTK_INT_ENABLE); - /* flush write */ - mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - } - if (eth->soc->dma_type & MTK_QDMA) { - val = mtk_r32(eth, MTK_QMTK_INT_ENABLE); - mtk_w32(eth, val & ~mask, MTK_QMTK_INT_ENABLE); - /* flush write */ - mtk_r32(eth, MTK_QMTK_INT_ENABLE); - } -} - -static inline void mtk_irq_enable(struct mtk_eth *eth, u32 mask) -{ - u32 val; - - if (eth->soc->dma_type & MTK_PDMA) { - val = mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - mtk_reg_w32(eth, val | mask, MTK_REG_MTK_INT_ENABLE); - /* flush write */ - mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - } - if (eth->soc->dma_type & MTK_QDMA) { - val = mtk_r32(eth, MTK_QMTK_INT_ENABLE); - mtk_w32(eth, val | mask, MTK_QMTK_INT_ENABLE); - /* flush write */ - mtk_r32(eth, MTK_QMTK_INT_ENABLE); - } -} - -static inline u32 mtk_irq_enabled(struct mtk_eth *eth) -{ - u32 enabled = 0; - - if (eth->soc->dma_type & MTK_PDMA) - enabled |= mtk_reg_r32(eth, MTK_REG_MTK_INT_ENABLE); - if (eth->soc->dma_type & MTK_QDMA) - enabled |= mtk_r32(eth, MTK_QMTK_INT_ENABLE); - - return enabled; -} - -static inline void mtk_hw_set_macaddr(struct mtk_mac *mac, - unsigned char *macaddr) -{ - unsigned long flags; - - spin_lock_irqsave(&mac->hw->page_lock, flags); - mtk_w32(mac->hw, (macaddr[0] << 8) | macaddr[1], MTK_GDMA1_MAC_ADRH); - mtk_w32(mac->hw, (macaddr[2] << 24) | (macaddr[3] << 16) | - (macaddr[4] << 8) | macaddr[5], - MTK_GDMA1_MAC_ADRL); - spin_unlock_irqrestore(&mac->hw->page_lock, flags); -} - -static int mtk_set_mac_address(struct net_device *dev, void *p) -{ - int ret = eth_mac_addr(dev, p); - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - if (ret) - return ret; - - if (eth->soc->set_mac) - eth->soc->set_mac(mac, dev->dev_addr); - else - mtk_hw_set_macaddr(mac, p); - - return 0; -} - -static inline int mtk_max_frag_size(int mtu) -{ - /* make sure buf_size will be at least MAX_RX_LENGTH */ - if (mtu + MTK_RX_ETH_HLEN < MAX_RX_LENGTH) - mtu = MAX_RX_LENGTH - MTK_RX_ETH_HLEN; - - return SKB_DATA_ALIGN(MTK_RX_HLEN + mtu) + - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); -} - -static inline int mtk_max_buf_size(int frag_size) -{ - int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN - - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - - WARN_ON(buf_size < MAX_RX_LENGTH); - - return buf_size; -} - -static inline void mtk_get_rxd(struct mtk_rx_dma *rxd, - struct mtk_rx_dma *dma_rxd) -{ - rxd->rxd1 = READ_ONCE(dma_rxd->rxd1); - rxd->rxd2 = READ_ONCE(dma_rxd->rxd2); - rxd->rxd3 = READ_ONCE(dma_rxd->rxd3); - rxd->rxd4 = READ_ONCE(dma_rxd->rxd4); -} - -static inline void mtk_set_txd_pdma(struct mtk_tx_dma *txd, - struct mtk_tx_dma *dma_txd) -{ - WRITE_ONCE(dma_txd->txd1, txd->txd1); - WRITE_ONCE(dma_txd->txd3, txd->txd3); - WRITE_ONCE(dma_txd->txd4, txd->txd4); - /* clean dma done flag last */ - WRITE_ONCE(dma_txd->txd2, txd->txd2); -} - -static void mtk_clean_rx(struct mtk_eth *eth, struct mtk_rx_ring *ring) -{ - int i; - - if (ring->rx_data && ring->rx_dma) { - for (i = 0; i < ring->rx_ring_size; i++) { - if (!ring->rx_data[i]) - continue; - if (!ring->rx_dma[i].rxd1) - continue; - dma_unmap_single(eth->dev, - ring->rx_dma[i].rxd1, - ring->rx_buf_size, - DMA_FROM_DEVICE); - skb_free_frag(ring->rx_data[i]); - } - kfree(ring->rx_data); - ring->rx_data = NULL; - } - - if (ring->rx_dma) { - dma_free_coherent(eth->dev, - ring->rx_ring_size * sizeof(*ring->rx_dma), - ring->rx_dma, - ring->rx_phys); - ring->rx_dma = NULL; - } -} - -static int mtk_dma_rx_alloc(struct mtk_eth *eth, struct mtk_rx_ring *ring) -{ - int i, pad = 0; - - ring->frag_size = mtk_max_frag_size(ETH_DATA_LEN); - ring->rx_buf_size = mtk_max_buf_size(ring->frag_size); - ring->rx_ring_size = eth->soc->dma_ring_size; - ring->rx_data = kcalloc(ring->rx_ring_size, sizeof(*ring->rx_data), - GFP_KERNEL); - if (!ring->rx_data) - goto no_rx_mem; - - for (i = 0; i < ring->rx_ring_size; i++) { - ring->rx_data[i] = netdev_alloc_frag(ring->frag_size); - if (!ring->rx_data[i]) - goto no_rx_mem; - } - - ring->rx_dma = - dma_alloc_coherent(eth->dev, - ring->rx_ring_size * sizeof(*ring->rx_dma), - &ring->rx_phys, GFP_ATOMIC | __GFP_ZERO); - if (!ring->rx_dma) - goto no_rx_mem; - - if (!eth->soc->rx_2b_offset) - pad = NET_IP_ALIGN; - - for (i = 0; i < ring->rx_ring_size; i++) { - dma_addr_t dma_addr = dma_map_single(eth->dev, - ring->rx_data[i] + NET_SKB_PAD + pad, - ring->rx_buf_size, - DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(eth->dev, dma_addr))) - goto no_rx_mem; - ring->rx_dma[i].rxd1 = (unsigned int)dma_addr; - - if (eth->soc->rx_sg_dma) - ring->rx_dma[i].rxd2 = RX_DMA_PLEN0(ring->rx_buf_size); - else - ring->rx_dma[i].rxd2 = RX_DMA_LSO; - } - ring->rx_calc_idx = ring->rx_ring_size - 1; - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - return 0; - -no_rx_mem: - return -ENOMEM; -} - -static void mtk_txd_unmap(struct device *dev, struct mtk_tx_buf *tx_buf) -{ - if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) { - dma_unmap_single(dev, - dma_unmap_addr(tx_buf, dma_addr0), - dma_unmap_len(tx_buf, dma_len0), - DMA_TO_DEVICE); - } else if (tx_buf->flags & MTK_TX_FLAGS_PAGE0) { - dma_unmap_page(dev, - dma_unmap_addr(tx_buf, dma_addr0), - dma_unmap_len(tx_buf, dma_len0), - DMA_TO_DEVICE); - } - if (tx_buf->flags & MTK_TX_FLAGS_PAGE1) - dma_unmap_page(dev, - dma_unmap_addr(tx_buf, dma_addr1), - dma_unmap_len(tx_buf, dma_len1), - DMA_TO_DEVICE); - - tx_buf->flags = 0; - if (tx_buf->skb && (tx_buf->skb != (struct sk_buff *)DMA_DUMMY_DESC)) - dev_kfree_skb_any(tx_buf->skb); - tx_buf->skb = NULL; -} - -static void mtk_pdma_tx_clean(struct mtk_eth *eth) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - int i; - - if (ring->tx_buf) { - for (i = 0; i < ring->tx_ring_size; i++) - mtk_txd_unmap(eth->dev, &ring->tx_buf[i]); - kfree(ring->tx_buf); - ring->tx_buf = NULL; - } - - if (ring->tx_dma) { - dma_free_coherent(eth->dev, - ring->tx_ring_size * sizeof(*ring->tx_dma), - ring->tx_dma, - ring->tx_phys); - ring->tx_dma = NULL; - } -} - -static void mtk_qdma_tx_clean(struct mtk_eth *eth) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - int i; - - if (ring->tx_buf) { - for (i = 0; i < ring->tx_ring_size; i++) - mtk_txd_unmap(eth->dev, &ring->tx_buf[i]); - kfree(ring->tx_buf); - ring->tx_buf = NULL; - } - - if (ring->tx_dma) { - dma_free_coherent(eth->dev, - ring->tx_ring_size * sizeof(*ring->tx_dma), - ring->tx_dma, - ring->tx_phys); - ring->tx_dma = NULL; - } -} - -void mtk_stats_update_mac(struct mtk_mac *mac) -{ - struct mtk_hw_stats *hw_stats = mac->hw_stats; - unsigned int base = mtk_reg_table[MTK_REG_MTK_COUNTER_BASE]; - u64 stats; - - base += hw_stats->reg_offset; - - u64_stats_update_begin(&hw_stats->syncp); - - if (mac->hw->soc->new_stats) { - hw_stats->rx_bytes += mtk_r32(mac->hw, base); - stats = mtk_r32(mac->hw, base + 0x04); - if (stats) - hw_stats->rx_bytes += (stats << 32); - hw_stats->rx_packets += mtk_r32(mac->hw, base + 0x08); - hw_stats->rx_overflow += mtk_r32(mac->hw, base + 0x10); - hw_stats->rx_fcs_errors += mtk_r32(mac->hw, base + 0x14); - hw_stats->rx_short_errors += mtk_r32(mac->hw, base + 0x18); - hw_stats->rx_long_errors += mtk_r32(mac->hw, base + 0x1c); - hw_stats->rx_checksum_errors += mtk_r32(mac->hw, base + 0x20); - hw_stats->rx_flow_control_packets += - mtk_r32(mac->hw, base + 0x24); - hw_stats->tx_skip += mtk_r32(mac->hw, base + 0x28); - hw_stats->tx_collisions += mtk_r32(mac->hw, base + 0x2c); - hw_stats->tx_bytes += mtk_r32(mac->hw, base + 0x30); - stats = mtk_r32(mac->hw, base + 0x34); - if (stats) - hw_stats->tx_bytes += (stats << 32); - hw_stats->tx_packets += mtk_r32(mac->hw, base + 0x38); - } else { - hw_stats->tx_bytes += mtk_r32(mac->hw, base); - hw_stats->tx_packets += mtk_r32(mac->hw, base + 0x04); - hw_stats->tx_skip += mtk_r32(mac->hw, base + 0x08); - hw_stats->tx_collisions += mtk_r32(mac->hw, base + 0x0c); - hw_stats->rx_bytes += mtk_r32(mac->hw, base + 0x20); - hw_stats->rx_packets += mtk_r32(mac->hw, base + 0x24); - hw_stats->rx_overflow += mtk_r32(mac->hw, base + 0x28); - hw_stats->rx_fcs_errors += mtk_r32(mac->hw, base + 0x2c); - hw_stats->rx_short_errors += mtk_r32(mac->hw, base + 0x30); - hw_stats->rx_long_errors += mtk_r32(mac->hw, base + 0x34); - hw_stats->rx_checksum_errors += mtk_r32(mac->hw, base + 0x38); - hw_stats->rx_flow_control_packets += - mtk_r32(mac->hw, base + 0x3c); - } - - u64_stats_update_end(&hw_stats->syncp); -} - -static void mtk_get_stats64(struct net_device *dev, - struct rtnl_link_stats64 *storage) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_hw_stats *hw_stats = mac->hw_stats; - unsigned int base = mtk_reg_table[MTK_REG_MTK_COUNTER_BASE]; - unsigned int start; - - if (!base) { - netdev_stats_to_stats64(storage, &dev->stats); - return; - } - - if (netif_running(dev) && netif_device_present(dev)) { - if (spin_trylock(&hw_stats->stats_lock)) { - mtk_stats_update_mac(mac); - spin_unlock(&hw_stats->stats_lock); - } - } - - do { - start = u64_stats_fetch_begin_irq(&hw_stats->syncp); - storage->rx_packets = hw_stats->rx_packets; - storage->tx_packets = hw_stats->tx_packets; - storage->rx_bytes = hw_stats->rx_bytes; - storage->tx_bytes = hw_stats->tx_bytes; - storage->collisions = hw_stats->tx_collisions; - storage->rx_length_errors = hw_stats->rx_short_errors + - hw_stats->rx_long_errors; - storage->rx_over_errors = hw_stats->rx_overflow; - storage->rx_crc_errors = hw_stats->rx_fcs_errors; - storage->rx_errors = hw_stats->rx_checksum_errors; - storage->tx_aborted_errors = hw_stats->tx_skip; - } while (u64_stats_fetch_retry_irq(&hw_stats->syncp, start)); - - storage->tx_errors = dev->stats.tx_errors; - storage->rx_dropped = dev->stats.rx_dropped; - storage->tx_dropped = dev->stats.tx_dropped; -} - -static int mtk_vlan_rx_add_vid(struct net_device *dev, - __be16 proto, u16 vid) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - u32 idx = (vid & 0xf); - u32 vlan_cfg; - - if (!((mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) && - (dev->features & NETIF_F_HW_VLAN_CTAG_TX))) - return 0; - - if (test_bit(idx, ð->vlan_map)) { - netdev_warn(dev, "disable tx vlan offload\n"); - dev->wanted_features &= ~NETIF_F_HW_VLAN_CTAG_TX; - netdev_update_features(dev); - } else { - vlan_cfg = mtk_r32(eth, - mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE] + - ((idx >> 1) << 2)); - if (idx & 0x1) { - vlan_cfg &= 0xffff; - vlan_cfg |= (vid << 16); - } else { - vlan_cfg &= 0xffff0000; - vlan_cfg |= vid; - } - mtk_w32(eth, - vlan_cfg, mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE] + - ((idx >> 1) << 2)); - set_bit(idx, ð->vlan_map); - } - - return 0; -} - -static int mtk_vlan_rx_kill_vid(struct net_device *dev, - __be16 proto, u16 vid) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - u32 idx = (vid & 0xf); - - if (!((mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) && - (dev->features & NETIF_F_HW_VLAN_CTAG_TX))) - return 0; - - clear_bit(idx, ð->vlan_map); - - return 0; -} - -static inline u32 mtk_pdma_empty_txd(struct mtk_tx_ring *ring) -{ - barrier(); - return (u32)(ring->tx_ring_size - - ((ring->tx_next_idx - ring->tx_free_idx) & - (ring->tx_ring_size - 1))); -} - -static int mtk_skb_padto(struct sk_buff *skb, struct mtk_eth *eth) -{ - unsigned int len; - int ret; - - if (unlikely(skb->len >= VLAN_ETH_ZLEN)) - return 0; - - if (eth->soc->padding_64b && !eth->soc->padding_bug) - return 0; - - if (skb_vlan_tag_present(skb)) - len = ETH_ZLEN; - else if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) - len = VLAN_ETH_ZLEN; - else if (!eth->soc->padding_64b) - len = ETH_ZLEN; - else - return 0; - - if (skb->len >= len) - return 0; - - ret = skb_pad(skb, len - skb->len); - if (ret < 0) - return ret; - skb->len = len; - skb_set_tail_pointer(skb, len); - - return ret; -} - -static int mtk_pdma_tx_map(struct sk_buff *skb, struct net_device *dev, - int tx_num, struct mtk_tx_ring *ring, bool gso) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct skb_frag_struct *frag; - struct mtk_tx_dma txd, *ptxd; - struct mtk_tx_buf *tx_buf; - int i, j, k, frag_size, frag_map_size, offset; - dma_addr_t mapped_addr; - unsigned int nr_frags; - u32 def_txd4; - - if (mtk_skb_padto(skb, eth)) { - netif_warn(eth, tx_err, dev, "tx padding failed!\n"); - return -1; - } - - tx_buf = &ring->tx_buf[ring->tx_next_idx]; - memset(tx_buf, 0, sizeof(*tx_buf)); - memset(&txd, 0, sizeof(txd)); - nr_frags = skb_shinfo(skb)->nr_frags; - - /* init tx descriptor */ - def_txd4 = eth->soc->txd4; - txd.txd4 = def_txd4; - - if (eth->soc->mac_count > 1) - txd.txd4 |= (mac->id + 1) << TX_DMA_FPORT_SHIFT; - - if (gso) - txd.txd4 |= TX_DMA_TSO; - - /* TX Checksum offload */ - if (skb->ip_summed == CHECKSUM_PARTIAL) - txd.txd4 |= TX_DMA_CHKSUM; - - /* VLAN header offload */ - if (skb_vlan_tag_present(skb)) { - u16 tag = skb_vlan_tag_get(skb); - - txd.txd4 |= TX_DMA_INS_VLAN | - ((tag >> VLAN_PRIO_SHIFT) << 4) | - (tag & 0xF); - } - - mapped_addr = dma_map_single(&dev->dev, skb->data, - skb_headlen(skb), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - return -1; - - txd.txd1 = mapped_addr; - txd.txd2 = TX_DMA_PLEN0(skb_headlen(skb)); - - tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb)); - - /* TX SG offload */ - j = ring->tx_next_idx; - k = 0; - for (i = 0; i < nr_frags; i++) { - offset = 0; - frag = &skb_shinfo(skb)->frags[i]; - frag_size = skb_frag_size(frag); - - while (frag_size > 0) { - frag_map_size = min(frag_size, TX_DMA_BUF_LEN); - mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset, - frag_map_size, - DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - goto err_dma; - - if (k & 0x1) { - j = NEXT_TX_DESP_IDX(j); - txd.txd1 = mapped_addr; - txd.txd2 = TX_DMA_PLEN0(frag_map_size); - txd.txd4 = def_txd4; - - tx_buf = &ring->tx_buf[j]; - memset(tx_buf, 0, sizeof(*tx_buf)); - - tx_buf->flags |= MTK_TX_FLAGS_PAGE0; - dma_unmap_addr_set(tx_buf, dma_addr0, - mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, - frag_map_size); - } else { - txd.txd3 = mapped_addr; - txd.txd2 |= TX_DMA_PLEN1(frag_map_size); - - tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC; - tx_buf->flags |= MTK_TX_FLAGS_PAGE1; - dma_unmap_addr_set(tx_buf, dma_addr1, - mapped_addr); - dma_unmap_len_set(tx_buf, dma_len1, - frag_map_size); - - if (!((i == (nr_frags - 1)) && - (frag_map_size == frag_size))) { - mtk_set_txd_pdma(&txd, - &ring->tx_dma[j]); - memset(&txd, 0, sizeof(txd)); - } - } - frag_size -= frag_map_size; - offset += frag_map_size; - k++; - } - } - - /* set last segment */ - if (k & 0x1) - txd.txd2 |= TX_DMA_LS1; - else - txd.txd2 |= TX_DMA_LS0; - mtk_set_txd_pdma(&txd, &ring->tx_dma[j]); - - /* store skb to cleanup */ - tx_buf->skb = skb; - - netdev_sent_queue(dev, skb->len); - skb_tx_timestamp(skb); - - ring->tx_next_idx = NEXT_TX_DESP_IDX(j); - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - atomic_set(&ring->tx_free_count, mtk_pdma_empty_txd(ring)); - - if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !skb->xmit_more) - mtk_reg_w32(eth, ring->tx_next_idx, MTK_REG_TX_CTX_IDX0); - - return 0; - -err_dma: - j = ring->tx_next_idx; - for (i = 0; i < tx_num; i++) { - ptxd = &ring->tx_dma[j]; - tx_buf = &ring->tx_buf[j]; - - /* unmap dma */ - mtk_txd_unmap(&dev->dev, tx_buf); - - ptxd->txd2 = TX_DMA_DESP2_DEF; - j = NEXT_TX_DESP_IDX(j); - } - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - return -1; -} - -/* the qdma core needs scratch memory to be setup */ -static int mtk_init_fq_dma(struct mtk_eth *eth) -{ - dma_addr_t dma_addr, phy_ring_head, phy_ring_tail; - int cnt = eth->soc->dma_ring_size; - int i; - - eth->scratch_ring = dma_alloc_coherent(eth->dev, - cnt * sizeof(struct mtk_tx_dma), - &phy_ring_head, - GFP_ATOMIC | __GFP_ZERO); - if (unlikely(!eth->scratch_ring)) - return -ENOMEM; - - eth->scratch_head = kcalloc(cnt, QDMA_PAGE_SIZE, - GFP_KERNEL); - dma_addr = dma_map_single(eth->dev, - eth->scratch_head, cnt * QDMA_PAGE_SIZE, - DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(eth->dev, dma_addr))) - return -ENOMEM; - - memset(eth->scratch_ring, 0x0, sizeof(struct mtk_tx_dma) * cnt); - phy_ring_tail = phy_ring_head + (sizeof(struct mtk_tx_dma) * (cnt - 1)); - - for (i = 0; i < cnt; i++) { - eth->scratch_ring[i].txd1 = (dma_addr + (i * QDMA_PAGE_SIZE)); - if (i < cnt - 1) - eth->scratch_ring[i].txd2 = (phy_ring_head + - ((i + 1) * sizeof(struct mtk_tx_dma))); - eth->scratch_ring[i].txd3 = TX_QDMA_SDL(QDMA_PAGE_SIZE); - } - - mtk_w32(eth, phy_ring_head, MTK_QDMA_FQ_HEAD); - mtk_w32(eth, phy_ring_tail, MTK_QDMA_FQ_TAIL); - mtk_w32(eth, (cnt << 16) | cnt, MTK_QDMA_FQ_CNT); - mtk_w32(eth, QDMA_PAGE_SIZE << 16, MTK_QDMA_FQ_BLEN); - - return 0; -} - -static void *mtk_qdma_phys_to_virt(struct mtk_tx_ring *ring, u32 desc) -{ - void *ret = ring->tx_dma; - - return ret + (desc - ring->tx_phys); -} - -static struct mtk_tx_dma *mtk_tx_next_qdma(struct mtk_tx_ring *ring, - struct mtk_tx_dma *txd) -{ - return mtk_qdma_phys_to_virt(ring, txd->txd2); -} - -static struct mtk_tx_buf *mtk_desc_to_tx_buf(struct mtk_tx_ring *ring, - struct mtk_tx_dma *txd) -{ - int idx = txd - ring->tx_dma; - - return &ring->tx_buf[idx]; -} - -static int mtk_qdma_tx_map(struct sk_buff *skb, struct net_device *dev, - int tx_num, struct mtk_tx_ring *ring, bool gso) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct mtk_tx_dma *itxd, *txd; - struct mtk_tx_buf *tx_buf; - dma_addr_t mapped_addr; - unsigned int nr_frags; - int i, n_desc = 1; - u32 txd4 = eth->soc->txd4; - - itxd = ring->tx_next_free; - if (itxd == ring->tx_last_free) - return -ENOMEM; - - if (eth->soc->mac_count > 1) - txd4 |= (mac->id + 1) << TX_DMA_FPORT_SHIFT; - - tx_buf = mtk_desc_to_tx_buf(ring, itxd); - memset(tx_buf, 0, sizeof(*tx_buf)); - - if (gso) - txd4 |= TX_DMA_TSO; - - /* TX Checksum offload */ - if (skb->ip_summed == CHECKSUM_PARTIAL) - txd4 |= TX_DMA_CHKSUM; - - /* VLAN header offload */ - if (skb_vlan_tag_present(skb)) - txd4 |= TX_DMA_INS_VLAN_MT7621 | skb_vlan_tag_get(skb); - - mapped_addr = dma_map_single(&dev->dev, skb->data, - skb_headlen(skb), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - return -ENOMEM; - - WRITE_ONCE(itxd->txd1, mapped_addr); - tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb)); - - /* TX SG offload */ - txd = itxd; - nr_frags = skb_shinfo(skb)->nr_frags; - for (i = 0; i < nr_frags; i++) { - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; - unsigned int offset = 0; - int frag_size = skb_frag_size(frag); - - while (frag_size) { - bool last_frag = false; - unsigned int frag_map_size; - - txd = mtk_tx_next_qdma(ring, txd); - if (txd == ring->tx_last_free) - goto err_dma; - - n_desc++; - frag_map_size = min(frag_size, TX_DMA_BUF_LEN); - mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset, - frag_map_size, - DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - goto err_dma; - - if (i == nr_frags - 1 && - (frag_size - frag_map_size) == 0) - last_frag = true; - - WRITE_ONCE(txd->txd1, mapped_addr); - WRITE_ONCE(txd->txd3, (QDMA_TX_SWC | - TX_DMA_PLEN0(frag_map_size) | - last_frag * TX_DMA_LS0) | - mac->id); - WRITE_ONCE(txd->txd4, 0); - - tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC; - tx_buf = mtk_desc_to_tx_buf(ring, txd); - memset(tx_buf, 0, sizeof(*tx_buf)); - - tx_buf->flags |= MTK_TX_FLAGS_PAGE0; - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, frag_map_size); - frag_size -= frag_map_size; - offset += frag_map_size; - } - } - - /* store skb to cleanup */ - tx_buf->skb = skb; - - WRITE_ONCE(itxd->txd4, txd4); - WRITE_ONCE(itxd->txd3, (QDMA_TX_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | - (!nr_frags * TX_DMA_LS0))); - - netdev_sent_queue(dev, skb->len); - skb_tx_timestamp(skb); - - ring->tx_next_free = mtk_tx_next_qdma(ring, txd); - atomic_sub(n_desc, &ring->tx_free_count); - - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !skb->xmit_more) - mtk_w32(eth, txd->txd2, MTK_QTX_CTX_PTR); - - return 0; - -err_dma: - do { - tx_buf = mtk_desc_to_tx_buf(ring, txd); - - /* unmap dma */ - mtk_txd_unmap(&dev->dev, tx_buf); - - itxd->txd3 = TX_DMA_DESP2_DEF; - itxd = mtk_tx_next_qdma(ring, itxd); - } while (itxd != txd); - - return -ENOMEM; -} - -static inline int mtk_cal_txd_req(struct sk_buff *skb) -{ - int i, nfrags; - struct skb_frag_struct *frag; - - nfrags = 1; - if (skb_is_gso(skb)) { - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - frag = &skb_shinfo(skb)->frags[i]; - nfrags += DIV_ROUND_UP(frag->size, TX_DMA_BUF_LEN); - } - } else { - nfrags += skb_shinfo(skb)->nr_frags; - } - - return DIV_ROUND_UP(nfrags, 2); -} - -static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct mtk_tx_ring *ring = ð->tx_ring; - struct net_device_stats *stats = &dev->stats; - int tx_num; - int len = skb->len; - bool gso = false; - - tx_num = mtk_cal_txd_req(skb); - if (unlikely(atomic_read(&ring->tx_free_count) <= tx_num)) { - netif_stop_queue(dev); - netif_err(eth, tx_queued, dev, - "Tx Ring full when queue awake!\n"); - return NETDEV_TX_BUSY; - } - - /* TSO: fill MSS info in tcp checksum field */ - if (skb_is_gso(skb)) { - if (skb_cow_head(skb, 0)) { - netif_warn(eth, tx_err, dev, - "GSO expand head fail.\n"); - goto drop; - } - - if (skb_shinfo(skb)->gso_type & - (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { - gso = true; - tcp_hdr(skb)->check = htons(skb_shinfo(skb)->gso_size); - } - } - - if (ring->tx_map(skb, dev, tx_num, ring, gso) < 0) - goto drop; - - stats->tx_packets++; - stats->tx_bytes += len; - - if (unlikely(atomic_read(&ring->tx_free_count) <= ring->tx_thresh)) { - netif_stop_queue(dev); - smp_mb(); - if (unlikely(atomic_read(&ring->tx_free_count) > - ring->tx_thresh)) - netif_wake_queue(dev); - } - - return NETDEV_TX_OK; - -drop: - stats->tx_dropped++; - dev_kfree_skb(skb); - return NETDEV_TX_OK; -} - -static int mtk_poll_rx(struct napi_struct *napi, int budget, - struct mtk_eth *eth, u32 rx_intr) -{ - struct mtk_soc_data *soc = eth->soc; - struct mtk_rx_ring *ring = ð->rx_ring[0]; - int idx = ring->rx_calc_idx; - u32 checksum_bit; - struct sk_buff *skb; - u8 *data, *new_data; - struct mtk_rx_dma *rxd, trxd; - int done = 0, pad; - - if (eth->soc->hw_features & NETIF_F_RXCSUM) - checksum_bit = soc->checksum_bit; - else - checksum_bit = 0; - - if (eth->soc->rx_2b_offset) - pad = 0; - else - pad = NET_IP_ALIGN; - - while (done < budget) { - struct net_device *netdev; - unsigned int pktlen; - dma_addr_t dma_addr; - int mac = 0; - - idx = NEXT_RX_DESP_IDX(idx); - rxd = &ring->rx_dma[idx]; - data = ring->rx_data[idx]; - - mtk_get_rxd(&trxd, rxd); - if (!(trxd.rxd2 & RX_DMA_DONE)) - break; - - /* find out which mac the packet come from. values start at 1 */ - if (eth->soc->mac_count > 1) { - mac = (trxd.rxd4 >> RX_DMA_FPORT_SHIFT) & - RX_DMA_FPORT_MASK; - mac--; - if (mac < 0 || mac >= eth->soc->mac_count) - goto release_desc; - } - - netdev = eth->netdev[mac]; - - /* alloc new buffer */ - new_data = napi_alloc_frag(ring->frag_size); - if (unlikely(!new_data || !netdev)) { - netdev->stats.rx_dropped++; - goto release_desc; - } - dma_addr = dma_map_single(&netdev->dev, - new_data + NET_SKB_PAD + pad, - ring->rx_buf_size, - DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) { - skb_free_frag(new_data); - goto release_desc; - } - - /* receive data */ - skb = build_skb(data, ring->frag_size); - if (unlikely(!skb)) { - put_page(virt_to_head_page(new_data)); - goto release_desc; - } - skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN); - - dma_unmap_single(&netdev->dev, trxd.rxd1, - ring->rx_buf_size, DMA_FROM_DEVICE); - pktlen = RX_DMA_GET_PLEN0(trxd.rxd2); - skb->dev = netdev; - skb_put(skb, pktlen); - if (trxd.rxd4 & checksum_bit) - skb->ip_summed = CHECKSUM_UNNECESSARY; - else - skb_checksum_none_assert(skb); - skb->protocol = eth_type_trans(skb, netdev); - - netdev->stats.rx_packets++; - netdev->stats.rx_bytes += pktlen; - - if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX && - RX_DMA_VID(trxd.rxd3)) - __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), - RX_DMA_VID(trxd.rxd3)); - napi_gro_receive(napi, skb); - - ring->rx_data[idx] = new_data; - rxd->rxd1 = (unsigned int)dma_addr; - -release_desc: - if (eth->soc->rx_sg_dma) - rxd->rxd2 = RX_DMA_PLEN0(ring->rx_buf_size); - else - rxd->rxd2 = RX_DMA_LSO; - - ring->rx_calc_idx = idx; - /* make sure that all changes to the dma ring are flushed before - * we continue - */ - wmb(); - if (eth->soc->dma_type == MTK_QDMA) - mtk_w32(eth, ring->rx_calc_idx, MTK_QRX_CRX_IDX0); - else - mtk_reg_w32(eth, ring->rx_calc_idx, - MTK_REG_RX_CALC_IDX0); - done++; - } - - if (done < budget) - mtk_irq_ack(eth, rx_intr); - - return done; -} - -static int mtk_pdma_tx_poll(struct mtk_eth *eth, int budget, bool *tx_again) -{ - struct sk_buff *skb; - struct mtk_tx_buf *tx_buf; - int done = 0; - u32 idx, hwidx; - struct mtk_tx_ring *ring = ð->tx_ring; - unsigned int bytes = 0; - - idx = ring->tx_free_idx; - hwidx = mtk_reg_r32(eth, MTK_REG_TX_DTX_IDX0); - - while ((idx != hwidx) && budget) { - tx_buf = &ring->tx_buf[idx]; - skb = tx_buf->skb; - - if (!skb) - break; - - if (skb != (struct sk_buff *)DMA_DUMMY_DESC) { - bytes += skb->len; - done++; - budget--; - } - mtk_txd_unmap(eth->dev, tx_buf); - idx = NEXT_TX_DESP_IDX(idx); - } - ring->tx_free_idx = idx; - atomic_set(&ring->tx_free_count, mtk_pdma_empty_txd(ring)); - - /* read hw index again make sure no new tx packet */ - if (idx != hwidx || idx != mtk_reg_r32(eth, MTK_REG_TX_DTX_IDX0)) - *tx_again = 1; - - if (done) - netdev_completed_queue(*eth->netdev, done, bytes); - - return done; -} - -static int mtk_qdma_tx_poll(struct mtk_eth *eth, int budget, bool *tx_again) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - struct mtk_tx_dma *desc; - struct sk_buff *skb; - struct mtk_tx_buf *tx_buf; - int total = 0, done[MTK_MAX_DEVS]; - unsigned int bytes[MTK_MAX_DEVS]; - u32 cpu, dma; - int i; - - memset(done, 0, sizeof(done)); - memset(bytes, 0, sizeof(bytes)); - - cpu = mtk_r32(eth, MTK_QTX_CRX_PTR); - dma = mtk_r32(eth, MTK_QTX_DRX_PTR); - - desc = mtk_qdma_phys_to_virt(ring, cpu); - - while ((cpu != dma) && budget) { - u32 next_cpu = desc->txd2; - int mac; - - desc = mtk_tx_next_qdma(ring, desc); - if ((desc->txd3 & QDMA_TX_OWNER_CPU) == 0) - break; - - mac = (desc->txd4 >> TX_DMA_FPORT_SHIFT) & - TX_DMA_FPORT_MASK; - mac--; - - tx_buf = mtk_desc_to_tx_buf(ring, desc); - skb = tx_buf->skb; - if (!skb) - break; - - if (skb != (struct sk_buff *)DMA_DUMMY_DESC) { - bytes[mac] += skb->len; - done[mac]++; - budget--; - } - mtk_txd_unmap(eth->dev, tx_buf); - - ring->tx_last_free->txd2 = next_cpu; - ring->tx_last_free = desc; - atomic_inc(&ring->tx_free_count); - - cpu = next_cpu; - } - - mtk_w32(eth, cpu, MTK_QTX_CRX_PTR); - - /* read hw index again make sure no new tx packet */ - if (cpu != dma || cpu != mtk_r32(eth, MTK_QTX_DRX_PTR)) - *tx_again = true; - - for (i = 0; i < eth->soc->mac_count; i++) { - if (!done[i]) - continue; - netdev_completed_queue(eth->netdev[i], done[i], bytes[i]); - total += done[i]; - } - - return total; -} - -static int mtk_poll_tx(struct mtk_eth *eth, int budget, u32 tx_intr, - bool *tx_again) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - struct net_device *netdev = eth->netdev[0]; - int done; - - done = eth->tx_ring.tx_poll(eth, budget, tx_again); - if (!*tx_again) - mtk_irq_ack(eth, tx_intr); - - if (!done) - return 0; - - smp_mb(); - if (unlikely(!netif_queue_stopped(netdev))) - return done; - - if (atomic_read(&ring->tx_free_count) > ring->tx_thresh) - netif_wake_queue(netdev); - - return done; -} - -static void mtk_stats_update(struct mtk_eth *eth) -{ - int i; - - for (i = 0; i < eth->soc->mac_count; i++) { - if (!eth->mac[i] || !eth->mac[i]->hw_stats) - continue; - if (spin_trylock(ð->mac[i]->hw_stats->stats_lock)) { - mtk_stats_update_mac(eth->mac[i]); - spin_unlock(ð->mac[i]->hw_stats->stats_lock); - } - } -} - -static int mtk_poll(struct napi_struct *napi, int budget) -{ - struct mtk_eth *eth = container_of(napi, struct mtk_eth, rx_napi); - u32 status, mtk_status, mask, tx_intr, rx_intr, status_intr; - int tx_done, rx_done; - bool tx_again = false; - - status = mtk_irq_pending(eth); - mtk_status = mtk_irq_pending_status(eth); - tx_intr = eth->soc->tx_int; - rx_intr = eth->soc->rx_int; - status_intr = eth->soc->status_int; - tx_done = 0; - rx_done = 0; - tx_again = 0; - - if (status & tx_intr) - tx_done = mtk_poll_tx(eth, budget, tx_intr, &tx_again); - - if (status & rx_intr) - rx_done = mtk_poll_rx(napi, budget, eth, rx_intr); - - if (unlikely(mtk_status & status_intr)) { - mtk_stats_update(eth); - mtk_irq_ack_status(eth, status_intr); - } - - if (unlikely(netif_msg_intr(eth))) { - mask = mtk_irq_enabled(eth); - netdev_info(eth->netdev[0], - "done tx %d, rx %d, intr 0x%08x/0x%x\n", - tx_done, rx_done, status, mask); - } - - if (tx_again || rx_done == budget) - return budget; - - status = mtk_irq_pending(eth); - if (status & (tx_intr | rx_intr)) - return budget; - - napi_complete(napi); - mtk_irq_enable(eth, tx_intr | rx_intr); - - return rx_done; -} - -static int mtk_pdma_tx_alloc(struct mtk_eth *eth) -{ - int i; - struct mtk_tx_ring *ring = ð->tx_ring; - - ring->tx_ring_size = eth->soc->dma_ring_size; - ring->tx_free_idx = 0; - ring->tx_next_idx = 0; - ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2, - MAX_SKB_FRAGS); - - ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf), - GFP_KERNEL); - if (!ring->tx_buf) - goto no_tx_mem; - - ring->tx_dma = - dma_alloc_coherent(eth->dev, - ring->tx_ring_size * sizeof(*ring->tx_dma), - &ring->tx_phys, GFP_ATOMIC | __GFP_ZERO); - if (!ring->tx_dma) - goto no_tx_mem; - - for (i = 0; i < ring->tx_ring_size; i++) { - ring->tx_dma[i].txd2 = TX_DMA_DESP2_DEF; - ring->tx_dma[i].txd4 = eth->soc->txd4; - } - - atomic_set(&ring->tx_free_count, mtk_pdma_empty_txd(ring)); - ring->tx_map = mtk_pdma_tx_map; - ring->tx_poll = mtk_pdma_tx_poll; - ring->tx_clean = mtk_pdma_tx_clean; - - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - mtk_reg_w32(eth, ring->tx_phys, MTK_REG_TX_BASE_PTR0); - mtk_reg_w32(eth, ring->tx_ring_size, MTK_REG_TX_MAX_CNT0); - mtk_reg_w32(eth, 0, MTK_REG_TX_CTX_IDX0); - mtk_reg_w32(eth, MTK_PST_DTX_IDX0, MTK_REG_PDMA_RST_CFG); - - return 0; - -no_tx_mem: - return -ENOMEM; -} - -static int mtk_qdma_tx_alloc_tx(struct mtk_eth *eth) -{ - struct mtk_tx_ring *ring = ð->tx_ring; - int i, sz = sizeof(*ring->tx_dma); - - ring->tx_ring_size = eth->soc->dma_ring_size; - ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf), - GFP_KERNEL); - if (!ring->tx_buf) - goto no_tx_mem; - - ring->tx_dma = dma_alloc_coherent(eth->dev, ring->tx_ring_size * sz, - &ring->tx_phys, - GFP_ATOMIC | __GFP_ZERO); - if (!ring->tx_dma) - goto no_tx_mem; - - for (i = 0; i < ring->tx_ring_size; i++) { - int next = (i + 1) % ring->tx_ring_size; - u32 next_ptr = ring->tx_phys + next * sz; - - ring->tx_dma[i].txd2 = next_ptr; - ring->tx_dma[i].txd3 = TX_DMA_DESP2_DEF; - } - - atomic_set(&ring->tx_free_count, ring->tx_ring_size - 2); - ring->tx_next_free = &ring->tx_dma[0]; - ring->tx_last_free = &ring->tx_dma[ring->tx_ring_size - 2]; - ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2, - MAX_SKB_FRAGS); - - ring->tx_map = mtk_qdma_tx_map; - ring->tx_poll = mtk_qdma_tx_poll; - ring->tx_clean = mtk_qdma_tx_clean; - - /* make sure that all changes to the dma ring are flushed before we - * continue - */ - wmb(); - - mtk_w32(eth, ring->tx_phys, MTK_QTX_CTX_PTR); - mtk_w32(eth, ring->tx_phys, MTK_QTX_DTX_PTR); - mtk_w32(eth, - ring->tx_phys + ((ring->tx_ring_size - 1) * sz), - MTK_QTX_CRX_PTR); - mtk_w32(eth, - ring->tx_phys + ((ring->tx_ring_size - 1) * sz), - MTK_QTX_DRX_PTR); - - return 0; - -no_tx_mem: - return -ENOMEM; -} - -static int mtk_qdma_init(struct mtk_eth *eth, int ring) -{ - int err; - - err = mtk_init_fq_dma(eth); - if (err) - return err; - - err = mtk_qdma_tx_alloc_tx(eth); - if (err) - return err; - - err = mtk_dma_rx_alloc(eth, ð->rx_ring[ring]); - if (err) - return err; - - mtk_w32(eth, eth->rx_ring[ring].rx_phys, MTK_QRX_BASE_PTR0); - mtk_w32(eth, eth->rx_ring[ring].rx_ring_size, MTK_QRX_MAX_CNT0); - mtk_w32(eth, eth->rx_ring[ring].rx_calc_idx, MTK_QRX_CRX_IDX0); - mtk_w32(eth, MTK_PST_DRX_IDX0, MTK_QDMA_RST_IDX); - mtk_w32(eth, (QDMA_RES_THRES << 8) | QDMA_RES_THRES, MTK_QTX_CFG(0)); - - /* Enable random early drop and set drop threshold automatically */ - mtk_w32(eth, 0x174444, MTK_QDMA_FC_THRES); - mtk_w32(eth, 0x0, MTK_QDMA_HRED2); - - return 0; -} - -static int mtk_pdma_qdma_init(struct mtk_eth *eth) -{ - int err = mtk_qdma_init(eth, 1); - - if (err) - return err; - - err = mtk_dma_rx_alloc(eth, ð->rx_ring[0]); - if (err) - return err; - - mtk_reg_w32(eth, eth->rx_ring[0].rx_phys, MTK_REG_RX_BASE_PTR0); - mtk_reg_w32(eth, eth->rx_ring[0].rx_ring_size, MTK_REG_RX_MAX_CNT0); - mtk_reg_w32(eth, eth->rx_ring[0].rx_calc_idx, MTK_REG_RX_CALC_IDX0); - mtk_reg_w32(eth, MTK_PST_DRX_IDX0, MTK_REG_PDMA_RST_CFG); - - return 0; -} - -static int mtk_pdma_init(struct mtk_eth *eth) -{ - struct mtk_rx_ring *ring = ð->rx_ring[0]; - int err; - - err = mtk_pdma_tx_alloc(eth); - if (err) - return err; - - err = mtk_dma_rx_alloc(eth, ring); - if (err) - return err; - - mtk_reg_w32(eth, ring->rx_phys, MTK_REG_RX_BASE_PTR0); - mtk_reg_w32(eth, ring->rx_ring_size, MTK_REG_RX_MAX_CNT0); - mtk_reg_w32(eth, ring->rx_calc_idx, MTK_REG_RX_CALC_IDX0); - mtk_reg_w32(eth, MTK_PST_DRX_IDX0, MTK_REG_PDMA_RST_CFG); - - return 0; -} - -static void mtk_dma_free(struct mtk_eth *eth) -{ - int i; - - for (i = 0; i < eth->soc->mac_count; i++) - if (eth->netdev[i]) - netdev_reset_queue(eth->netdev[i]); - eth->tx_ring.tx_clean(eth); - mtk_clean_rx(eth, ð->rx_ring[0]); - mtk_clean_rx(eth, ð->rx_ring[1]); - kfree(eth->scratch_head); -} - -static void mtk_tx_timeout(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct mtk_tx_ring *ring = ð->tx_ring; - - eth->netdev[mac->id]->stats.tx_errors++; - netif_err(eth, tx_err, dev, - "transmit timed out\n"); - if (eth->soc->dma_type & MTK_PDMA) { - netif_info(eth, drv, dev, "pdma_cfg:%08x\n", - mtk_reg_r32(eth, MTK_REG_PDMA_GLO_CFG)); - netif_info(eth, drv, dev, - "tx_ring=%d, base=%08x, max=%u, ctx=%u, dtx=%u, fdx=%hu, next=%hu\n", - 0, mtk_reg_r32(eth, MTK_REG_TX_BASE_PTR0), - mtk_reg_r32(eth, MTK_REG_TX_MAX_CNT0), - mtk_reg_r32(eth, MTK_REG_TX_CTX_IDX0), - mtk_reg_r32(eth, MTK_REG_TX_DTX_IDX0), - ring->tx_free_idx, - ring->tx_next_idx); - } - if (eth->soc->dma_type & MTK_QDMA) { - netif_info(eth, drv, dev, "qdma_cfg:%08x\n", - mtk_r32(eth, MTK_QDMA_GLO_CFG)); - netif_info(eth, drv, dev, - "tx_ring=%d, ctx=%08x, dtx=%08x, crx=%08x, drx=%08x, free=%hu\n", - 0, mtk_r32(eth, MTK_QTX_CTX_PTR), - mtk_r32(eth, MTK_QTX_DTX_PTR), - mtk_r32(eth, MTK_QTX_CRX_PTR), - mtk_r32(eth, MTK_QTX_DRX_PTR), - atomic_read(&ring->tx_free_count)); - } - netif_info(eth, drv, dev, - "rx_ring=%d, base=%08x, max=%u, calc=%u, drx=%u\n", - 0, mtk_reg_r32(eth, MTK_REG_RX_BASE_PTR0), - mtk_reg_r32(eth, MTK_REG_RX_MAX_CNT0), - mtk_reg_r32(eth, MTK_REG_RX_CALC_IDX0), - mtk_reg_r32(eth, MTK_REG_RX_DRX_IDX0)); - - schedule_work(&mac->pending_work); -} - -static irqreturn_t mtk_handle_irq(int irq, void *_eth) -{ - struct mtk_eth *eth = _eth; - u32 status, int_mask; - - status = mtk_irq_pending(eth); - if (unlikely(!status)) - return IRQ_NONE; - - int_mask = (eth->soc->rx_int | eth->soc->tx_int); - if (likely(status & int_mask)) { - if (likely(napi_schedule_prep(ð->rx_napi))) - __napi_schedule(ð->rx_napi); - } else { - mtk_irq_ack(eth, status); - } - mtk_irq_disable(eth, int_mask); - - return IRQ_HANDLED; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void mtk_poll_controller(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - u32 int_mask = eth->soc->tx_int | eth->soc->rx_int; - - mtk_irq_disable(eth, int_mask); - mtk_handle_irq(dev->irq, dev); - mtk_irq_enable(eth, int_mask); -} -#endif - -int mtk_set_clock_cycle(struct mtk_eth *eth) -{ - unsigned long sysclk = eth->sysclk; - - sysclk /= MTK_US_CYC_CNT_DIVISOR; - sysclk <<= MTK_US_CYC_CNT_SHIFT; - - mtk_w32(eth, (mtk_r32(eth, MTK_GLO_CFG) & - ~(MTK_US_CYC_CNT_MASK << MTK_US_CYC_CNT_SHIFT)) | - sysclk, - MTK_GLO_CFG); - return 0; -} - -void mtk_fwd_config(struct mtk_eth *eth) -{ - u32 fwd_cfg; - - fwd_cfg = mtk_r32(eth, MTK_GDMA1_FWD_CFG); - - /* disable jumbo frame */ - if (eth->soc->jumbo_frame) - fwd_cfg &= ~MTK_GDM1_JMB_EN; - - /* set unicast/multicast/broadcast frame to cpu */ - fwd_cfg &= ~0xffff; - - mtk_w32(eth, fwd_cfg, MTK_GDMA1_FWD_CFG); -} - -void mtk_csum_config(struct mtk_eth *eth) -{ - if (eth->soc->hw_features & NETIF_F_RXCSUM) - mtk_w32(eth, mtk_r32(eth, MTK_GDMA1_FWD_CFG) | - (MTK_GDM1_ICS_EN | MTK_GDM1_TCS_EN | MTK_GDM1_UCS_EN), - MTK_GDMA1_FWD_CFG); - else - mtk_w32(eth, mtk_r32(eth, MTK_GDMA1_FWD_CFG) & - ~(MTK_GDM1_ICS_EN | MTK_GDM1_TCS_EN | MTK_GDM1_UCS_EN), - MTK_GDMA1_FWD_CFG); - if (eth->soc->hw_features & NETIF_F_IP_CSUM) - mtk_w32(eth, mtk_r32(eth, MTK_CDMA_CSG_CFG) | - (MTK_ICS_GEN_EN | MTK_TCS_GEN_EN | MTK_UCS_GEN_EN), - MTK_CDMA_CSG_CFG); - else - mtk_w32(eth, mtk_r32(eth, MTK_CDMA_CSG_CFG) & - ~(MTK_ICS_GEN_EN | MTK_TCS_GEN_EN | MTK_UCS_GEN_EN), - MTK_CDMA_CSG_CFG); -} - -static int mtk_start_dma(struct mtk_eth *eth) -{ - unsigned long flags; - u32 val; - int err; - - if (eth->soc->dma_type == MTK_PDMA) - err = mtk_pdma_init(eth); - else if (eth->soc->dma_type == MTK_QDMA) - err = mtk_qdma_init(eth, 0); - else - err = mtk_pdma_qdma_init(eth); - if (err) { - mtk_dma_free(eth); - return err; - } - - spin_lock_irqsave(ð->page_lock, flags); - - val = MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN; - if (eth->soc->rx_2b_offset) - val |= MTK_RX_2B_OFFSET; - val |= eth->soc->pdma_glo_cfg; - - if (eth->soc->dma_type & MTK_PDMA) - mtk_reg_w32(eth, val, MTK_REG_PDMA_GLO_CFG); - - if (eth->soc->dma_type & MTK_QDMA) - mtk_w32(eth, val, MTK_QDMA_GLO_CFG); - - spin_unlock_irqrestore(ð->page_lock, flags); - - return 0; -} - -static int mtk_open(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - dma_coerce_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32)); - - if (!atomic_read(ð->dma_refcnt)) { - int err = mtk_start_dma(eth); - - if (err) - return err; - - napi_enable(ð->rx_napi); - mtk_irq_enable(eth, eth->soc->tx_int | eth->soc->rx_int); - } - atomic_inc(ð->dma_refcnt); - - if (eth->phy) - eth->phy->start(mac); - - if (eth->soc->has_carrier && eth->soc->has_carrier(eth)) - netif_carrier_on(dev); - - netif_start_queue(dev); - eth->soc->fwd_config(eth); - - return 0; -} - -static void mtk_stop_dma(struct mtk_eth *eth, u32 glo_cfg) -{ - unsigned long flags; - u32 val; - int i; - - /* stop the dma enfine */ - spin_lock_irqsave(ð->page_lock, flags); - val = mtk_r32(eth, glo_cfg); - mtk_w32(eth, val & ~(MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN), - glo_cfg); - spin_unlock_irqrestore(ð->page_lock, flags); - - /* wait for dma stop */ - for (i = 0; i < 10; i++) { - val = mtk_r32(eth, glo_cfg); - if (val & (MTK_TX_DMA_BUSY | MTK_RX_DMA_BUSY)) { - msleep(20); - continue; - } - break; - } -} - -static int mtk_stop(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - netif_tx_disable(dev); - if (eth->phy) - eth->phy->stop(mac); - - if (!atomic_dec_and_test(ð->dma_refcnt)) - return 0; - - mtk_irq_disable(eth, eth->soc->tx_int | eth->soc->rx_int); - napi_disable(ð->rx_napi); - - if (eth->soc->dma_type & MTK_PDMA) - mtk_stop_dma(eth, mtk_reg_table[MTK_REG_PDMA_GLO_CFG]); - - if (eth->soc->dma_type & MTK_QDMA) - mtk_stop_dma(eth, MTK_QDMA_GLO_CFG); - - mtk_dma_free(eth); - - return 0; -} - -static int __init mtk_init_hw(struct mtk_eth *eth) -{ - int i, err; - - eth->soc->reset_fe(eth); - - if (eth->soc->switch_init) - if (eth->soc->switch_init(eth)) { - dev_err(eth->dev, "failed to initialize switch core\n"); - return -ENODEV; - } - - err = devm_request_irq(eth->dev, eth->irq, mtk_handle_irq, 0, - dev_name(eth->dev), eth); - if (err) - return err; - - err = mtk_mdio_init(eth); - if (err) - return err; - - /* disable delay and normal interrupt */ - mtk_reg_w32(eth, 0, MTK_REG_DLY_INT_CFG); - if (eth->soc->dma_type & MTK_QDMA) - mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); - mtk_irq_disable(eth, eth->soc->tx_int | eth->soc->rx_int); - - /* frame engine will push VLAN tag regarding to VIDX field in Tx desc */ - if (mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) - for (i = 0; i < 16; i += 2) - mtk_w32(eth, ((i + 1) << 16) + i, - mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE] + - (i * 2)); - - if (eth->soc->fwd_config(eth)) - dev_err(eth->dev, "unable to get clock\n"); - - if (mtk_reg_table[MTK_REG_MTK_RST_GL]) { - mtk_reg_w32(eth, 1, MTK_REG_MTK_RST_GL); - mtk_reg_w32(eth, 0, MTK_REG_MTK_RST_GL); - } - - return 0; -} - -static int __init mtk_init(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - struct device_node *port; - const char *mac_addr; - int err; - - mac_addr = of_get_mac_address(mac->of_node); - if (mac_addr) - ether_addr_copy(dev->dev_addr, mac_addr); - - /* If the mac address is invalid, use random mac address */ - if (!is_valid_ether_addr(dev->dev_addr)) { - eth_hw_addr_random(dev); - dev_err(eth->dev, "generated random MAC address %pM\n", - dev->dev_addr); - } - mac->hw->soc->set_mac(mac, dev->dev_addr); - - if (eth->soc->port_init) - for_each_child_of_node(mac->of_node, port) - if (of_device_is_compatible(port, - "mediatek,eth-port") && - of_device_is_available(port)) - eth->soc->port_init(eth, mac, port); - - if (eth->phy) { - err = eth->phy->connect(mac); - if (err) - return err; - } - - return 0; -} - -static void mtk_uninit(struct net_device *dev) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - - if (eth->phy) - eth->phy->disconnect(mac); - mtk_mdio_cleanup(eth); - - mtk_irq_disable(eth, ~0); - free_irq(dev->irq, dev); -} - -static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct mtk_mac *mac = netdev_priv(dev); - - if (!mac->phy_dev) - return -ENODEV; - - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return phy_mii_ioctl(mac->phy_dev, ifr, cmd); - default: - break; - } - - return -EOPNOTSUPP; -} - -static int mtk_change_mtu(struct net_device *dev, int new_mtu) -{ - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - int frag_size, old_mtu; - u32 fwd_cfg; - - if (!eth->soc->jumbo_frame) - return eth_change_mtu(dev, new_mtu); - - frag_size = mtk_max_frag_size(new_mtu); - if (new_mtu < 68 || frag_size > PAGE_SIZE) - return -EINVAL; - - old_mtu = dev->mtu; - dev->mtu = new_mtu; - - /* return early if the buffer sizes will not change */ - if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN) - return 0; - if (old_mtu > ETH_DATA_LEN && new_mtu > ETH_DATA_LEN) - return 0; - - if (new_mtu <= ETH_DATA_LEN) - eth->rx_ring[0].frag_size = mtk_max_frag_size(ETH_DATA_LEN); - else - eth->rx_ring[0].frag_size = PAGE_SIZE; - eth->rx_ring[0].rx_buf_size = - mtk_max_buf_size(eth->rx_ring[0].frag_size); - - if (!netif_running(dev)) - return 0; - - mtk_stop(dev); - fwd_cfg = mtk_r32(eth, MTK_GDMA1_FWD_CFG); - if (new_mtu <= ETH_DATA_LEN) { - fwd_cfg &= ~MTK_GDM1_JMB_EN; - } else { - fwd_cfg &= ~(MTK_GDM1_JMB_LEN_MASK << MTK_GDM1_JMB_LEN_SHIFT); - fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) << - MTK_GDM1_JMB_LEN_SHIFT) | MTK_GDM1_JMB_EN; - } - mtk_w32(eth, fwd_cfg, MTK_GDMA1_FWD_CFG); - - return mtk_open(dev); -} - -static void mtk_pending_work(struct work_struct *work) -{ - struct mtk_mac *mac = container_of(work, struct mtk_mac, pending_work); - struct mtk_eth *eth = mac->hw; - struct net_device *dev = eth->netdev[mac->id]; - int err; - - rtnl_lock(); - mtk_stop(dev); - - err = mtk_open(dev); - if (err) { - netif_alert(eth, ifup, dev, - "Driver up/down cycle failed, closing device.\n"); - dev_close(dev); - } - rtnl_unlock(); -} - -static int mtk_cleanup(struct mtk_eth *eth) -{ - int i; - - for (i = 0; i < eth->soc->mac_count; i++) { - struct mtk_mac *mac = netdev_priv(eth->netdev[i]); - - if (!eth->netdev[i]) - continue; - - unregister_netdev(eth->netdev[i]); - free_netdev(eth->netdev[i]); - cancel_work_sync(&mac->pending_work); - } - - return 0; -} - -static const struct net_device_ops mtk_netdev_ops = { - .ndo_init = mtk_init, - .ndo_uninit = mtk_uninit, - .ndo_open = mtk_open, - .ndo_stop = mtk_stop, - .ndo_start_xmit = mtk_start_xmit, - .ndo_set_mac_address = mtk_set_mac_address, - .ndo_validate_addr = eth_validate_addr, - .ndo_do_ioctl = mtk_do_ioctl, - .ndo_change_mtu = mtk_change_mtu, - .ndo_tx_timeout = mtk_tx_timeout, - .ndo_get_stats64 = mtk_get_stats64, - .ndo_vlan_rx_add_vid = mtk_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = mtk_vlan_rx_kill_vid, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = mtk_poll_controller, -#endif -}; - -static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) -{ - struct mtk_mac *mac; - const __be32 *_id = of_get_property(np, "reg", NULL); - int id, err; - - if (!_id) { - dev_err(eth->dev, "missing mac id\n"); - return -EINVAL; - } - id = be32_to_cpup(_id); - if (id >= eth->soc->mac_count || eth->netdev[id]) { - dev_err(eth->dev, "%d is not a valid mac id\n", id); - return -EINVAL; - } - - eth->netdev[id] = alloc_etherdev(sizeof(*mac)); - if (!eth->netdev[id]) { - dev_err(eth->dev, "alloc_etherdev failed\n"); - return -ENOMEM; - } - mac = netdev_priv(eth->netdev[id]); - eth->mac[id] = mac; - mac->id = id; - mac->hw = eth; - mac->of_node = np; - INIT_WORK(&mac->pending_work, mtk_pending_work); - - if (mtk_reg_table[MTK_REG_MTK_COUNTER_BASE]) { - mac->hw_stats = devm_kzalloc(eth->dev, - sizeof(*mac->hw_stats), - GFP_KERNEL); - if (!mac->hw_stats) { - err = -ENOMEM; - goto free_netdev; - } - spin_lock_init(&mac->hw_stats->stats_lock); - mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; - } - - SET_NETDEV_DEV(eth->netdev[id], eth->dev); - eth->netdev[id]->netdev_ops = &mtk_netdev_ops; - eth->netdev[id]->base_addr = (unsigned long)eth->base; - - if (eth->soc->init_data) - eth->soc->init_data(eth->soc, eth->netdev[id]); - - eth->netdev[id]->vlan_features = eth->soc->hw_features & - ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX); - eth->netdev[id]->features |= eth->soc->hw_features; - - if (mtk_reg_table[MTK_REG_MTK_DMA_VID_BASE]) - eth->netdev[id]->features |= NETIF_F_HW_VLAN_CTAG_FILTER; - - mtk_set_ethtool_ops(eth->netdev[id]); - - err = register_netdev(eth->netdev[id]); - if (err) { - dev_err(eth->dev, "error bringing up device\n"); - err = -ENOMEM; - goto free_netdev; - } - eth->netdev[id]->irq = eth->irq; - netif_info(eth, probe, eth->netdev[id], - "mediatek frame engine at 0x%08lx, irq %d\n", - eth->netdev[id]->base_addr, eth->netdev[id]->irq); - - return 0; - -free_netdev: - free_netdev(eth->netdev[id]); - return err; -} - -static int mtk_probe(struct platform_device *pdev) -{ - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - const struct of_device_id *match; - struct device_node *mac_np; - struct mtk_soc_data *soc; - struct mtk_eth *eth; - struct clk *sysclk; - int err; - - device_reset(&pdev->dev); - - match = of_match_device(of_mtk_match, &pdev->dev); - soc = (struct mtk_soc_data *)match->data; - - if (soc->reg_table) - mtk_reg_table = soc->reg_table; - - eth = devm_kzalloc(&pdev->dev, sizeof(*eth), GFP_KERNEL); - if (!eth) - return -ENOMEM; - - eth->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(eth->base)) - return PTR_ERR(eth->base); - - spin_lock_init(ð->page_lock); - - eth->ethsys = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, - "mediatek,ethsys"); - if (IS_ERR(eth->ethsys)) - return PTR_ERR(eth->ethsys); - - eth->irq = platform_get_irq(pdev, 0); - if (eth->irq < 0) { - dev_err(&pdev->dev, "no IRQ resource found\n"); - return -ENXIO; - } - - sysclk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(sysclk)) { - dev_err(&pdev->dev, - "the clock is not defined in the devicetree\n"); - return -ENXIO; - } - eth->sysclk = clk_get_rate(sysclk); - - eth->switch_np = of_parse_phandle(pdev->dev.of_node, - "mediatek,switch", 0); - if (soc->has_switch && !eth->switch_np) { - dev_err(&pdev->dev, "failed to read switch phandle\n"); - return -ENODEV; - } - - eth->dev = &pdev->dev; - eth->soc = soc; - eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE); - - err = mtk_init_hw(eth); - if (err) - return err; - - if (eth->soc->mac_count > 1) { - for_each_child_of_node(pdev->dev.of_node, mac_np) { - if (!of_device_is_compatible(mac_np, - "mediatek,eth-mac")) - continue; - - if (!of_device_is_available(mac_np)) - continue; - - err = mtk_add_mac(eth, mac_np); - if (err) - goto err_free_dev; - } - - init_dummy_netdev(ð->dummy_dev); - netif_napi_add(ð->dummy_dev, ð->rx_napi, mtk_poll, - soc->napi_weight); - } else { - err = mtk_add_mac(eth, pdev->dev.of_node); - if (err) - goto err_free_dev; - netif_napi_add(eth->netdev[0], ð->rx_napi, mtk_poll, - soc->napi_weight); - } - - platform_set_drvdata(pdev, eth); - - return 0; - -err_free_dev: - mtk_cleanup(eth); - return err; -} - -static int mtk_remove(struct platform_device *pdev) -{ - struct mtk_eth *eth = platform_get_drvdata(pdev); - - netif_napi_del(ð->rx_napi); - mtk_cleanup(eth); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver mtk_driver = { - .probe = mtk_probe, - .remove = mtk_remove, - .driver = { - .name = "mtk_soc_eth", - .of_match_table = of_mtk_match, - }, -}; - -module_platform_driver(mtk_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("Ethernet driver for MediaTek SoC"); diff --git a/drivers/staging/mt7621-eth/mtk_eth_soc.h b/drivers/staging/mt7621-eth/mtk_eth_soc.h deleted file mode 100644 index e6ed80433f49..000000000000 --- a/drivers/staging/mt7621-eth/mtk_eth_soc.h +++ /dev/null @@ -1,716 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#ifndef MTK_ETH_H -#define MTK_ETH_H - -#include <linux/mii.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/dma-mapping.h> -#include <linux/phy.h> -#include <linux/ethtool.h> -#include <linux/version.h> -#include <linux/atomic.h> - -/* these registers have different offsets depending on the SoC. we use a lookup - * table for these - */ -enum mtk_reg { - MTK_REG_PDMA_GLO_CFG = 0, - MTK_REG_PDMA_RST_CFG, - MTK_REG_DLY_INT_CFG, - MTK_REG_TX_BASE_PTR0, - MTK_REG_TX_MAX_CNT0, - MTK_REG_TX_CTX_IDX0, - MTK_REG_TX_DTX_IDX0, - MTK_REG_RX_BASE_PTR0, - MTK_REG_RX_MAX_CNT0, - MTK_REG_RX_CALC_IDX0, - MTK_REG_RX_DRX_IDX0, - MTK_REG_MTK_INT_ENABLE, - MTK_REG_MTK_INT_STATUS, - MTK_REG_MTK_DMA_VID_BASE, - MTK_REG_MTK_COUNTER_BASE, - MTK_REG_MTK_RST_GL, - MTK_REG_MTK_INT_STATUS2, - MTK_REG_COUNT -}; - -/* delayed interrupt bits */ -#define MTK_DELAY_EN_INT 0x80 -#define MTK_DELAY_MAX_INT 0x04 -#define MTK_DELAY_MAX_TOUT 0x04 -#define MTK_DELAY_TIME 20 -#define MTK_DELAY_CHAN (((MTK_DELAY_EN_INT | MTK_DELAY_MAX_INT) << 8) \ - | MTK_DELAY_MAX_TOUT) -#define MTK_DELAY_INIT ((MTK_DELAY_CHAN << 16) | MTK_DELAY_CHAN) -#define MTK_PSE_FQFC_CFG_INIT 0x80504000 -#define MTK_PSE_FQFC_CFG_256Q 0xff908000 - -/* interrupt bits */ -#define MTK_CNT_PPE_AF BIT(31) -#define MTK_CNT_GDM_AF BIT(29) -#define MTK_PSE_P2_FC BIT(26) -#define MTK_PSE_BUF_DROP BIT(24) -#define MTK_GDM_OTHER_DROP BIT(23) -#define MTK_PSE_P1_FC BIT(22) -#define MTK_PSE_P0_FC BIT(21) -#define MTK_PSE_FQ_EMPTY BIT(20) -#define MTK_GE1_STA_CHG BIT(18) -#define MTK_TX_COHERENT BIT(17) -#define MTK_RX_COHERENT BIT(16) -#define MTK_TX_DONE_INT3 BIT(11) -#define MTK_TX_DONE_INT2 BIT(10) -#define MTK_TX_DONE_INT1 BIT(9) -#define MTK_TX_DONE_INT0 BIT(8) -#define MTK_RX_DONE_INT0 BIT(2) -#define MTK_TX_DLY_INT BIT(1) -#define MTK_RX_DLY_INT BIT(0) - -#define MTK_RX_DONE_INT MTK_RX_DONE_INT0 -#define MTK_TX_DONE_INT (MTK_TX_DONE_INT0 | MTK_TX_DONE_INT1 | \ - MTK_TX_DONE_INT2 | MTK_TX_DONE_INT3) - -#define RT5350_RX_DLY_INT BIT(30) -#define RT5350_TX_DLY_INT BIT(28) -#define RT5350_RX_DONE_INT1 BIT(17) -#define RT5350_RX_DONE_INT0 BIT(16) -#define RT5350_TX_DONE_INT3 BIT(3) -#define RT5350_TX_DONE_INT2 BIT(2) -#define RT5350_TX_DONE_INT1 BIT(1) -#define RT5350_TX_DONE_INT0 BIT(0) - -#define RT5350_RX_DONE_INT (RT5350_RX_DONE_INT0 | RT5350_RX_DONE_INT1) -#define RT5350_TX_DONE_INT (RT5350_TX_DONE_INT0 | RT5350_TX_DONE_INT1 | \ - RT5350_TX_DONE_INT2 | RT5350_TX_DONE_INT3) - -/* registers */ -#define MTK_GDMA_OFFSET 0x0020 -#define MTK_PSE_OFFSET 0x0040 -#define MTK_GDMA2_OFFSET 0x0060 -#define MTK_CDMA_OFFSET 0x0080 -#define MTK_DMA_VID0 0x00a8 -#define MTK_PDMA_OFFSET 0x0100 -#define MTK_PPE_OFFSET 0x0200 -#define MTK_CMTABLE_OFFSET 0x0400 -#define MTK_POLICYTABLE_OFFSET 0x1000 - -#define MT7621_GDMA_OFFSET 0x0500 -#define MT7620_GDMA_OFFSET 0x0600 - -#define RT5350_PDMA_OFFSET 0x0800 -#define RT5350_SDM_OFFSET 0x0c00 - -#define MTK_MDIO_ACCESS 0x00 -#define MTK_MDIO_CFG 0x04 -#define MTK_GLO_CFG 0x08 -#define MTK_RST_GL 0x0C -#define MTK_INT_STATUS 0x10 -#define MTK_INT_ENABLE 0x14 -#define MTK_MDIO_CFG2 0x18 -#define MTK_FOC_TS_T 0x1C - -#define MTK_GDMA1_FWD_CFG (MTK_GDMA_OFFSET + 0x00) -#define MTK_GDMA1_SCH_CFG (MTK_GDMA_OFFSET + 0x04) -#define MTK_GDMA1_SHPR_CFG (MTK_GDMA_OFFSET + 0x08) -#define MTK_GDMA1_MAC_ADRL (MTK_GDMA_OFFSET + 0x0C) -#define MTK_GDMA1_MAC_ADRH (MTK_GDMA_OFFSET + 0x10) - -#define MTK_GDMA2_FWD_CFG (MTK_GDMA2_OFFSET + 0x00) -#define MTK_GDMA2_SCH_CFG (MTK_GDMA2_OFFSET + 0x04) -#define MTK_GDMA2_SHPR_CFG (MTK_GDMA2_OFFSET + 0x08) -#define MTK_GDMA2_MAC_ADRL (MTK_GDMA2_OFFSET + 0x0C) -#define MTK_GDMA2_MAC_ADRH (MTK_GDMA2_OFFSET + 0x10) - -#define MTK_PSE_FQ_CFG (MTK_PSE_OFFSET + 0x00) -#define MTK_CDMA_FC_CFG (MTK_PSE_OFFSET + 0x04) -#define MTK_GDMA1_FC_CFG (MTK_PSE_OFFSET + 0x08) -#define MTK_GDMA2_FC_CFG (MTK_PSE_OFFSET + 0x0C) - -#define MTK_CDMA_CSG_CFG (MTK_CDMA_OFFSET + 0x00) -#define MTK_CDMA_SCH_CFG (MTK_CDMA_OFFSET + 0x04) - -#define MT7621_GDMA_FWD_CFG(x) (MT7621_GDMA_OFFSET + (x * 0x1000)) - -/* FIXME this might be different for different SOCs */ -#define MT7620_GDMA1_FWD_CFG (MT7621_GDMA_OFFSET + 0x00) - -#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00) -#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04) -#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08) -#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C) -#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10) -#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14) -#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18) -#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C) -#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20) -#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24) -#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28) -#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C) -#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30) -#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34) -#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38) -#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C) -#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100) -#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104) -#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108) -#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C) -#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110) -#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114) -#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118) -#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C) -#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204) -#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208) -#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c) -#define RT5350_MTK_INT_STATUS (RT5350_PDMA_OFFSET + 0x220) -#define RT5350_MTK_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228) -#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280) - -#define MTK_PDMA_GLO_CFG (MTK_PDMA_OFFSET + 0x00) -#define MTK_PDMA_RST_CFG (MTK_PDMA_OFFSET + 0x04) -#define MTK_PDMA_SCH_CFG (MTK_PDMA_OFFSET + 0x08) -#define MTK_DLY_INT_CFG (MTK_PDMA_OFFSET + 0x0C) -#define MTK_TX_BASE_PTR0 (MTK_PDMA_OFFSET + 0x10) -#define MTK_TX_MAX_CNT0 (MTK_PDMA_OFFSET + 0x14) -#define MTK_TX_CTX_IDX0 (MTK_PDMA_OFFSET + 0x18) -#define MTK_TX_DTX_IDX0 (MTK_PDMA_OFFSET + 0x1C) -#define MTK_TX_BASE_PTR1 (MTK_PDMA_OFFSET + 0x20) -#define MTK_TX_MAX_CNT1 (MTK_PDMA_OFFSET + 0x24) -#define MTK_TX_CTX_IDX1 (MTK_PDMA_OFFSET + 0x28) -#define MTK_TX_DTX_IDX1 (MTK_PDMA_OFFSET + 0x2C) -#define MTK_RX_BASE_PTR0 (MTK_PDMA_OFFSET + 0x30) -#define MTK_RX_MAX_CNT0 (MTK_PDMA_OFFSET + 0x34) -#define MTK_RX_CALC_IDX0 (MTK_PDMA_OFFSET + 0x38) -#define MTK_RX_DRX_IDX0 (MTK_PDMA_OFFSET + 0x3C) -#define MTK_TX_BASE_PTR2 (MTK_PDMA_OFFSET + 0x40) -#define MTK_TX_MAX_CNT2 (MTK_PDMA_OFFSET + 0x44) -#define MTK_TX_CTX_IDX2 (MTK_PDMA_OFFSET + 0x48) -#define MTK_TX_DTX_IDX2 (MTK_PDMA_OFFSET + 0x4C) -#define MTK_TX_BASE_PTR3 (MTK_PDMA_OFFSET + 0x50) -#define MTK_TX_MAX_CNT3 (MTK_PDMA_OFFSET + 0x54) -#define MTK_TX_CTX_IDX3 (MTK_PDMA_OFFSET + 0x58) -#define MTK_TX_DTX_IDX3 (MTK_PDMA_OFFSET + 0x5C) -#define MTK_RX_BASE_PTR1 (MTK_PDMA_OFFSET + 0x60) -#define MTK_RX_MAX_CNT1 (MTK_PDMA_OFFSET + 0x64) -#define MTK_RX_CALC_IDX1 (MTK_PDMA_OFFSET + 0x68) -#define MTK_RX_DRX_IDX1 (MTK_PDMA_OFFSET + 0x6C) - -/* Switch DMA configuration */ -#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00) -#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04) -#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08) -#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C) -#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10) -#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100) -#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104) -#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108) -#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C) -#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110) - -#define RT5350_SDM_ICS_EN BIT(16) -#define RT5350_SDM_TCS_EN BIT(17) -#define RT5350_SDM_UCS_EN BIT(18) - -/* QDMA registers */ -#define MTK_QTX_CFG(x) (0x1800 + (x * 0x10)) -#define MTK_QTX_SCH(x) (0x1804 + (x * 0x10)) -#define MTK_QRX_BASE_PTR0 0x1900 -#define MTK_QRX_MAX_CNT0 0x1904 -#define MTK_QRX_CRX_IDX0 0x1908 -#define MTK_QRX_DRX_IDX0 0x190C -#define MTK_QDMA_GLO_CFG 0x1A04 -#define MTK_QDMA_RST_IDX 0x1A08 -#define MTK_QDMA_DELAY_INT 0x1A0C -#define MTK_QDMA_FC_THRES 0x1A10 -#define MTK_QMTK_INT_STATUS 0x1A18 -#define MTK_QMTK_INT_ENABLE 0x1A1C -#define MTK_QDMA_HRED2 0x1A44 - -#define MTK_QTX_CTX_PTR 0x1B00 -#define MTK_QTX_DTX_PTR 0x1B04 - -#define MTK_QTX_CRX_PTR 0x1B10 -#define MTK_QTX_DRX_PTR 0x1B14 - -#define MTK_QDMA_FQ_HEAD 0x1B20 -#define MTK_QDMA_FQ_TAIL 0x1B24 -#define MTK_QDMA_FQ_CNT 0x1B28 -#define MTK_QDMA_FQ_BLEN 0x1B2C - -#define QDMA_PAGE_SIZE 2048 -#define QDMA_TX_OWNER_CPU BIT(31) -#define QDMA_TX_SWC BIT(14) -#define TX_QDMA_SDL(_x) (((_x) & 0x3fff) << 16) -#define QDMA_RES_THRES 4 - -/* MDIO_CFG register bits */ -#define MTK_MDIO_CFG_AUTO_POLL_EN BIT(29) -#define MTK_MDIO_CFG_GP1_BP_EN BIT(16) -#define MTK_MDIO_CFG_GP1_FRC_EN BIT(15) -#define MTK_MDIO_CFG_GP1_SPEED_10 (0 << 13) -#define MTK_MDIO_CFG_GP1_SPEED_100 (1 << 13) -#define MTK_MDIO_CFG_GP1_SPEED_1000 (2 << 13) -#define MTK_MDIO_CFG_GP1_DUPLEX BIT(12) -#define MTK_MDIO_CFG_GP1_FC_TX BIT(11) -#define MTK_MDIO_CFG_GP1_FC_RX BIT(10) -#define MTK_MDIO_CFG_GP1_LNK_DWN BIT(9) -#define MTK_MDIO_CFG_GP1_AN_FAIL BIT(8) -#define MTK_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6) -#define MTK_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6) -#define MTK_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6) -#define MTK_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6) -#define MTK_MDIO_CFG_TURBO_MII_FREQ BIT(5) -#define MTK_MDIO_CFG_TURBO_MII_MODE BIT(4) -#define MTK_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2) -#define MTK_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2) -#define MTK_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2) -#define MTK_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2) -#define MTK_MDIO_CFG_TX_CLK_SKEW_0 0 -#define MTK_MDIO_CFG_TX_CLK_SKEW_200 1 -#define MTK_MDIO_CFG_TX_CLK_SKEW_400 2 -#define MTK_MDIO_CFG_TX_CLK_SKEW_INV 3 - -/* uni-cast port */ -#define MTK_GDM1_JMB_LEN_MASK 0xf -#define MTK_GDM1_JMB_LEN_SHIFT 28 -#define MTK_GDM1_ICS_EN BIT(22) -#define MTK_GDM1_TCS_EN BIT(21) -#define MTK_GDM1_UCS_EN BIT(20) -#define MTK_GDM1_JMB_EN BIT(19) -#define MTK_GDM1_STRPCRC BIT(16) -#define MTK_GDM1_UFRC_P_CPU (0 << 12) -#define MTK_GDM1_UFRC_P_GDMA1 (1 << 12) -#define MTK_GDM1_UFRC_P_PPE (6 << 12) - -/* checksums */ -#define MTK_ICS_GEN_EN BIT(2) -#define MTK_UCS_GEN_EN BIT(1) -#define MTK_TCS_GEN_EN BIT(0) - -/* dma mode */ -#define MTK_PDMA BIT(0) -#define MTK_QDMA BIT(1) -#define MTK_PDMA_RX_QDMA_TX (MTK_PDMA | MTK_QDMA) - -/* dma ring */ -#define MTK_PST_DRX_IDX0 BIT(16) -#define MTK_PST_DTX_IDX3 BIT(3) -#define MTK_PST_DTX_IDX2 BIT(2) -#define MTK_PST_DTX_IDX1 BIT(1) -#define MTK_PST_DTX_IDX0 BIT(0) - -#define MTK_RX_2B_OFFSET BIT(31) -#define MTK_TX_WB_DDONE BIT(6) -#define MTK_RX_DMA_BUSY BIT(3) -#define MTK_TX_DMA_BUSY BIT(1) -#define MTK_RX_DMA_EN BIT(2) -#define MTK_TX_DMA_EN BIT(0) - -#define MTK_PDMA_SIZE_4DWORDS (0 << 4) -#define MTK_PDMA_SIZE_8DWORDS (1 << 4) -#define MTK_PDMA_SIZE_16DWORDS (2 << 4) - -#define MTK_US_CYC_CNT_MASK 0xff -#define MTK_US_CYC_CNT_SHIFT 0x8 -#define MTK_US_CYC_CNT_DIVISOR 1000000 - -/* PDMA descriptor rxd2 */ -#define RX_DMA_DONE BIT(31) -#define RX_DMA_LSO BIT(30) -#define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) -#define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff) -#define RX_DMA_TAG BIT(15) - -/* PDMA descriptor rxd3 */ -#define RX_DMA_TPID(_x) (((_x) >> 16) & 0xffff) -#define RX_DMA_VID(_x) ((_x) & 0xfff) - -/* PDMA descriptor rxd4 */ -#define RX_DMA_L4VALID BIT(30) -#define RX_DMA_FPORT_SHIFT 19 -#define RX_DMA_FPORT_MASK 0x7 - -struct mtk_rx_dma { - unsigned int rxd1; - unsigned int rxd2; - unsigned int rxd3; - unsigned int rxd4; -} __packed __aligned(4); - -/* PDMA tx descriptor bits */ -#define TX_DMA_BUF_LEN 0x3fff -#define TX_DMA_PLEN0_MASK (TX_DMA_BUF_LEN << 16) -#define TX_DMA_PLEN0(_x) (((_x) & TX_DMA_BUF_LEN) << 16) -#define TX_DMA_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN) -#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16) & TX_DMA_BUF_LEN) -#define TX_DMA_GET_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN) -#define TX_DMA_LS1 BIT(14) -#define TX_DMA_LS0 BIT(30) -#define TX_DMA_DONE BIT(31) -#define TX_DMA_FPORT_SHIFT 25 -#define TX_DMA_FPORT_MASK 0x7 -#define TX_DMA_INS_VLAN_MT7621 BIT(16) -#define TX_DMA_INS_VLAN BIT(7) -#define TX_DMA_INS_PPPOE BIT(12) -#define TX_DMA_TAG BIT(15) -#define TX_DMA_TAG_MASK BIT(15) -#define TX_DMA_QN(_x) ((_x) << 16) -#define TX_DMA_PN(_x) ((_x) << 24) -#define TX_DMA_QN_MASK TX_DMA_QN(0x7) -#define TX_DMA_PN_MASK TX_DMA_PN(0x7) -#define TX_DMA_UDF BIT(20) -#define TX_DMA_CHKSUM (0x7 << 29) -#define TX_DMA_TSO BIT(28) -#define TX_DMA_DESP4_DEF (TX_DMA_QN(3) | TX_DMA_PN(1)) - -/* frame engine counters */ -#define MTK_PPE_AC_BCNT0 (MTK_CMTABLE_OFFSET + 0x00) -#define MTK_GDMA1_TX_GBCNT (MTK_CMTABLE_OFFSET + 0x300) -#define MTK_GDMA2_TX_GBCNT (MTK_GDMA1_TX_GBCNT + 0x40) - -/* phy device flags */ -#define MTK_PHY_FLAG_PORT BIT(0) -#define MTK_PHY_FLAG_ATTACH BIT(1) - -struct mtk_tx_dma { - unsigned int txd1; - unsigned int txd2; - unsigned int txd3; - unsigned int txd4; -} __packed __aligned(4); - -struct mtk_eth; -struct mtk_mac; - -/* manage the attached phys */ -struct mtk_phy { - spinlock_t lock; - - struct phy_device *phy[8]; - struct device_node *phy_node[8]; - const __be32 *phy_fixed[8]; - int duplex[8]; - int speed[8]; - int tx_fc[8]; - int rx_fc[8]; - int (*connect)(struct mtk_mac *mac); - void (*disconnect)(struct mtk_mac *mac); - void (*start)(struct mtk_mac *mac); - void (*stop)(struct mtk_mac *mac); -}; - -/* struct mtk_soc_data - the structure that holds the SoC specific data - * @reg_table: Some of the legacy registers changed their location - * over time. Their offsets are stored in this table - * - * @init_data: Some features depend on the silicon revision. This - * callback allows runtime modification of the content of - * this struct - * @reset_fe: This callback is used to trigger the reset of the frame - * engine - * @set_mac: This callback is used to set the unicast mac address - * filter - * @fwd_config: This callback is used to setup the forward config - * register of the MAC - * @switch_init: This callback is used to bring up the switch core - * @port_init: Some SoCs have ports that can be router to a switch port - * or an external PHY. This callback is used to setup these - * ports. - * @has_carrier: This callback allows driver to check if there is a cable - * attached. - * @mdio_init: This callbck is used to setup the MDIO bus if one is - * present - * @mdio_cleanup: This callback is used to cleanup the MDIO state. - * @mdio_write: This callback is used to write data to the MDIO bus. - * @mdio_read: This callback is used to write data to the MDIO bus. - * @mdio_adjust_link: This callback is used to apply the PHY settings. - * @piac_offset: the PIAC register has a different different base offset - * @hw_features: feature set depends on the SoC type - * @dma_ring_size: allow GBit SoCs to set bigger rings than FE SoCs - * @napi_weight: allow GBit SoCs to set bigger napi weight than FE SoCs - * @dma_type: SoCs is PDMA, QDMA or a mix of the 2 - * @pdma_glo_cfg: the default DMA configuration - * @rx_int: the TX interrupt bits used by the SoC - * @tx_int: the TX interrupt bits used by the SoC - * @status_int: the Status interrupt bits used by the SoC - * @checksum_bit: the bits used to turn on HW checksumming - * @txd4: default value of the TXD4 descriptor - * @mac_count: the number of MACs that the SoC has - * @new_stats: there is a old and new way to read hardware stats - * registers - * @jumbo_frame: does the SoC support jumbo frames ? - * @rx_2b_offset: tell the rx dma to offset the data by 2 bytes - * @rx_sg_dma: scatter gather support - * @padding_64b enable 64 bit padding - * @padding_bug: rt2880 has a padding bug - * @has_switch: does the SoC have a built-in switch - * - * Although all of the supported SoCs share the same basic functionality, there - * are several SoC specific functions and features that we need to support. This - * struct holds the SoC specific data so that the common core can figure out - * how to setup and use these differences. - */ -struct mtk_soc_data { - const u16 *reg_table; - - void (*init_data)(struct mtk_soc_data *data, struct net_device *netdev); - void (*reset_fe)(struct mtk_eth *eth); - void (*set_mac)(struct mtk_mac *mac, unsigned char *macaddr); - int (*fwd_config)(struct mtk_eth *eth); - int (*switch_init)(struct mtk_eth *eth); - void (*port_init)(struct mtk_eth *eth, struct mtk_mac *mac, - struct device_node *port); - int (*has_carrier)(struct mtk_eth *eth); - int (*mdio_init)(struct mtk_eth *eth); - void (*mdio_cleanup)(struct mtk_eth *eth); - int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg, - u16 val); - int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg); - void (*mdio_adjust_link)(struct mtk_eth *eth, int port); - u32 piac_offset; - netdev_features_t hw_features; - u32 dma_ring_size; - u32 napi_weight; - u32 dma_type; - u32 pdma_glo_cfg; - u32 rx_int; - u32 tx_int; - u32 status_int; - u32 checksum_bit; - u32 txd4; - u32 mac_count; - - u32 new_stats:1; - u32 jumbo_frame:1; - u32 rx_2b_offset:1; - u32 rx_sg_dma:1; - u32 padding_64b:1; - u32 padding_bug:1; - u32 has_switch:1; -}; - -#define MTK_STAT_OFFSET 0x40 - -/* struct mtk_hw_stats - the structure that holds the traffic statistics. - * @stats_lock: make sure that stats operations are atomic - * @reg_offset: the status register offset of the SoC - * @syncp: the refcount - * - * All of the supported SoCs have hardware counters for traffic statstics. - * Whenever the status IRQ triggers we can read the latest stats from these - * counters and store them in this struct. - */ -struct mtk_hw_stats { - spinlock_t stats_lock; - u32 reg_offset; - struct u64_stats_sync syncp; - - u64 tx_bytes; - u64 tx_packets; - u64 tx_skip; - u64 tx_collisions; - u64 rx_bytes; - u64 rx_packets; - u64 rx_overflow; - u64 rx_fcs_errors; - u64 rx_short_errors; - u64 rx_long_errors; - u64 rx_checksum_errors; - u64 rx_flow_control_packets; -}; - -/* PDMA descriptor can point at 1-2 segments. This enum allows us to track how - * memory was allocated so that it can be freed properly - */ -enum mtk_tx_flags { - MTK_TX_FLAGS_SINGLE0 = 0x01, - MTK_TX_FLAGS_PAGE0 = 0x02, - MTK_TX_FLAGS_PAGE1 = 0x04, -}; - -/* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at - * by the TX descriptor s - * @skb: The SKB pointer of the packet being sent - * @dma_addr0: The base addr of the first segment - * @dma_len0: The length of the first segment - * @dma_addr1: The base addr of the second segment - * @dma_len1: The length of the second segment - */ -struct mtk_tx_buf { - struct sk_buff *skb; - u32 flags; - DEFINE_DMA_UNMAP_ADDR(dma_addr0); - DEFINE_DMA_UNMAP_LEN(dma_len0); - DEFINE_DMA_UNMAP_ADDR(dma_addr1); - DEFINE_DMA_UNMAP_LEN(dma_len1); -}; - -/* struct mtk_tx_ring - This struct holds info describing a TX ring - * @tx_dma: The descriptor ring - * @tx_buf: The memory pointed at by the ring - * @tx_phys: The physical addr of tx_buf - * @tx_next_free: Pointer to the next free descriptor - * @tx_last_free: Pointer to the last free descriptor - * @tx_thresh: The threshold of minimum amount of free descriptors - * @tx_map: Callback to map a new packet into the ring - * @tx_poll: Callback for the housekeeping function - * @tx_clean: Callback for the cleanup function - * @tx_ring_size: How many descriptors are in the ring - * @tx_free_idx: The index of th next free descriptor - * @tx_next_idx: QDMA uses a linked list. This element points to the next - * free descriptor in the list - * @tx_free_count: QDMA uses a linked list. Track how many free descriptors - * are present - */ -struct mtk_tx_ring { - struct mtk_tx_dma *tx_dma; - struct mtk_tx_buf *tx_buf; - dma_addr_t tx_phys; - struct mtk_tx_dma *tx_next_free; - struct mtk_tx_dma *tx_last_free; - u16 tx_thresh; - int (*tx_map)(struct sk_buff *skb, struct net_device *dev, int tx_num, - struct mtk_tx_ring *ring, bool gso); - int (*tx_poll)(struct mtk_eth *eth, int budget, bool *tx_again); - void (*tx_clean)(struct mtk_eth *eth); - - /* PDMA only */ - u16 tx_ring_size; - u16 tx_free_idx; - - /* QDMA only */ - u16 tx_next_idx; - atomic_t tx_free_count; -}; - -/* struct mtk_rx_ring - This struct holds info describing a RX ring - * @rx_dma: The descriptor ring - * @rx_data: The memory pointed at by the ring - * @trx_phys: The physical addr of rx_buf - * @rx_ring_size: How many descriptors are in the ring - * @rx_buf_size: The size of each packet buffer - * @rx_calc_idx: The current head of ring - */ -struct mtk_rx_ring { - struct mtk_rx_dma *rx_dma; - u8 **rx_data; - dma_addr_t rx_phys; - u16 rx_ring_size; - u16 frag_size; - u16 rx_buf_size; - u16 rx_calc_idx; -}; - -/* currently no SoC has more than 2 macs */ -#define MTK_MAX_DEVS 2 - -/* struct mtk_eth - This is the main datasructure for holding the state - * of the driver - * @dev: The device pointer - * @base: The mapped register i/o base - * @page_lock: Make sure that register operations are atomic - * @soc: pointer to our SoC specific data - * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a - * dummy for NAPI to work - * @netdev: The netdev instances - * @mac: Each netdev is linked to a physical MAC - * @switch_np: The phandle for the switch - * @irq: The IRQ that we are using - * @msg_enable: Ethtool msg level - * @ysclk: The sysclk rate - neeed for calibration - * @ethsys: The register map pointing at the range used to setup - * MII modes - * @dma_refcnt: track how many netdevs are using the DMA engine - * @tx_ring: Pointer to the memore holding info about the TX ring - * @rx_ring: Pointer to the memore holding info about the RX ring - * @rx_napi: The NAPI struct - * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring - * @scratch_head: The scratch memory that scratch_ring points to. - * @phy: Info about the attached PHYs - * @mii_bus: If there is a bus we need to create an instance for it - * @link: Track if the ports have a physical link - * @sw_priv: Pointer to the switches private data - * @vlan_map: RX VID tracking - */ - -struct mtk_eth { - struct device *dev; - void __iomem *base; - spinlock_t page_lock; - struct mtk_soc_data *soc; - struct net_device dummy_dev; - struct net_device *netdev[MTK_MAX_DEVS]; - struct mtk_mac *mac[MTK_MAX_DEVS]; - struct device_node *switch_np; - int irq; - u32 msg_enable; - unsigned long sysclk; - struct regmap *ethsys; - atomic_t dma_refcnt; - struct mtk_tx_ring tx_ring; - struct mtk_rx_ring rx_ring[2]; - struct napi_struct rx_napi; - struct mtk_tx_dma *scratch_ring; - void *scratch_head; - struct mtk_phy *phy; - struct mii_bus *mii_bus; - int link[8]; - void *sw_priv; - unsigned long vlan_map; -}; - -/* struct mtk_mac - the structure that holds the info about the MACs of the - * SoC - * @id: The number of the MAC - * @of_node: Our devicetree node - * @hw: Backpointer to our main datastruture - * @hw_stats: Packet statistics counter - * @phy_dev: The attached PHY if available - * @phy_flags: The PHYs flags - * @pending_work: The workqueue used to reset the dma ring - */ -struct mtk_mac { - int id; - struct device_node *of_node; - struct mtk_eth *hw; - struct mtk_hw_stats *hw_stats; - struct phy_device *phy_dev; - u32 phy_flags; - struct work_struct pending_work; -}; - -/* the struct describing the SoC. these are declared in the soc_xyz.c files */ -extern const struct of_device_id of_mtk_match[]; - -/* read the hardware status register */ -void mtk_stats_update_mac(struct mtk_mac *mac); - -/* default checksum setup handler */ -void mtk_reset(struct mtk_eth *eth, u32 reset_bits); - -/* register i/o wrappers */ -void mtk_w32(struct mtk_eth *eth, u32 val, unsigned int reg); -u32 mtk_r32(struct mtk_eth *eth, unsigned int reg); - -/* default clock calibration handler */ -int mtk_set_clock_cycle(struct mtk_eth *eth); - -/* default checksum setup handler */ -void mtk_csum_config(struct mtk_eth *eth); - -/* default forward config handler */ -void mtk_fwd_config(struct mtk_eth *eth); - -#endif /* MTK_ETH_H */ diff --git a/drivers/staging/mt7621-eth/soc_mt7621.c b/drivers/staging/mt7621-eth/soc_mt7621.c deleted file mode 100644 index 5d63b5d96f6b..000000000000 --- a/drivers/staging/mt7621-eth/soc_mt7621.c +++ /dev/null @@ -1,161 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/if_vlan.h> -#include <linux/of_net.h> - -#include <asm/mach-ralink/ralink_regs.h> - -#include "mtk_eth_soc.h" -#include "gsw_mt7620.h" -#include "mdio.h" - -#define MT7620_CDMA_CSG_CFG 0x400 -#define MT7621_CDMP_IG_CTRL (MT7620_CDMA_CSG_CFG + 0x00) -#define MT7621_CDMP_EG_CTRL (MT7620_CDMA_CSG_CFG + 0x04) -#define MT7621_RESET_FE BIT(6) -#define MT7621_L4_VALID BIT(24) - -#define MT7621_TX_DMA_UDF BIT(19) - -#define CDMA_ICS_EN BIT(2) -#define CDMA_UCS_EN BIT(1) -#define CDMA_TCS_EN BIT(0) - -#define GDMA_ICS_EN BIT(22) -#define GDMA_TCS_EN BIT(21) -#define GDMA_UCS_EN BIT(20) - -/* frame engine counters */ -#define MT7621_REG_MIB_OFFSET 0x2000 -#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00) -#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400) -#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40) - -#define GSW_REG_GDMA1_MAC_ADRL 0x508 -#define GSW_REG_GDMA1_MAC_ADRH 0x50C -#define GSW_REG_GDMA2_MAC_ADRL 0x1508 -#define GSW_REG_GDMA2_MAC_ADRH 0x150C - -#define MT7621_MTK_RST_GL 0x04 -#define MT7620_MTK_INT_STATUS2 0x08 - -/* MTK_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29) - * but after test it should be BIT(13). - */ -#define MT7621_MTK_GDM1_AF BIT(28) -#define MT7621_MTK_GDM2_AF BIT(29) - -static const u16 mt7621_reg_table[MTK_REG_COUNT] = { - [MTK_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG, - [MTK_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG, - [MTK_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG, - [MTK_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0, - [MTK_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0, - [MTK_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0, - [MTK_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0, - [MTK_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0, - [MTK_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0, - [MTK_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0, - [MTK_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0, - [MTK_REG_MTK_INT_ENABLE] = RT5350_MTK_INT_ENABLE, - [MTK_REG_MTK_INT_STATUS] = RT5350_MTK_INT_STATUS, - [MTK_REG_MTK_DMA_VID_BASE] = 0, - [MTK_REG_MTK_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT, - [MTK_REG_MTK_RST_GL] = MT7621_MTK_RST_GL, - [MTK_REG_MTK_INT_STATUS2] = MT7620_MTK_INT_STATUS2, -}; - -static void mt7621_mtk_reset(struct mtk_eth *eth) -{ - mtk_reset(eth, MT7621_RESET_FE); -} - -static int mt7621_fwd_config(struct mtk_eth *eth) -{ - /* Setup GMAC1 only, there is no support for GMAC2 yet */ - mtk_w32(eth, mtk_r32(eth, MT7620_GDMA1_FWD_CFG) & ~0xffff, - MT7620_GDMA1_FWD_CFG); - - /* Enable RX checksum */ - mtk_w32(eth, mtk_r32(eth, MT7620_GDMA1_FWD_CFG) | (GDMA_ICS_EN | - GDMA_TCS_EN | GDMA_UCS_EN), - MT7620_GDMA1_FWD_CFG); - - /* Enable RX VLan Offloading */ - mtk_w32(eth, 0, MT7621_CDMP_EG_CTRL); - - return 0; -} - -static void mt7621_set_mac(struct mtk_mac *mac, unsigned char *hwaddr) -{ - unsigned long flags; - - spin_lock_irqsave(&mac->hw->page_lock, flags); - if (mac->id == 0) { - mtk_w32(mac->hw, (hwaddr[0] << 8) | hwaddr[1], - GSW_REG_GDMA1_MAC_ADRH); - mtk_w32(mac->hw, (hwaddr[2] << 24) | (hwaddr[3] << 16) | - (hwaddr[4] << 8) | hwaddr[5], - GSW_REG_GDMA1_MAC_ADRL); - } - if (mac->id == 1) { - mtk_w32(mac->hw, (hwaddr[0] << 8) | hwaddr[1], - GSW_REG_GDMA2_MAC_ADRH); - mtk_w32(mac->hw, (hwaddr[2] << 24) | (hwaddr[3] << 16) | - (hwaddr[4] << 8) | hwaddr[5], - GSW_REG_GDMA2_MAC_ADRL); - } - spin_unlock_irqrestore(&mac->hw->page_lock, flags); -} - -static struct mtk_soc_data mt7621_data = { - .hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | - NETIF_F_IPV6_CSUM, - .dma_type = MTK_PDMA, - .dma_ring_size = 256, - .napi_weight = 64, - .new_stats = 1, - .padding_64b = 1, - .rx_2b_offset = 1, - .rx_sg_dma = 1, - .has_switch = 1, - .mac_count = 2, - .reset_fe = mt7621_mtk_reset, - .set_mac = mt7621_set_mac, - .fwd_config = mt7621_fwd_config, - .switch_init = mtk_gsw_init, - .reg_table = mt7621_reg_table, - .pdma_glo_cfg = MTK_PDMA_SIZE_16DWORDS, - .rx_int = RT5350_RX_DONE_INT, - .tx_int = RT5350_TX_DONE_INT, - .status_int = MT7621_MTK_GDM1_AF | MT7621_MTK_GDM2_AF, - .checksum_bit = MT7621_L4_VALID, - .has_carrier = mt7620_has_carrier, - .mdio_read = mt7620_mdio_read, - .mdio_write = mt7620_mdio_write, - .mdio_adjust_link = mt7620_mdio_link_adjust, -}; - -const struct of_device_id of_mtk_match[] = { - { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data }, - {}, -}; - -MODULE_DEVICE_TABLE(of, of_mtk_match); diff --git a/drivers/staging/mt7621-pci/Kconfig b/drivers/staging/mt7621-pci/Kconfig index d33533872a16..c8fa17cfa807 100644 --- a/drivers/staging/mt7621-pci/Kconfig +++ b/drivers/staging/mt7621-pci/Kconfig @@ -1,6 +1,7 @@ config PCI_MT7621 tristate "MediaTek MT7621 PCI Controller" depends on RALINK + depends on PCI select PCI_DRIVERS_GENERIC help This selects a driver for the MediaTek MT7621 PCI Controller. diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index d6248eecf123..2aee64fdaec5 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -163,7 +163,7 @@ int cvm_oct_phy_setup_device(struct net_device *dev) goto no_phy; phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0, - PHY_INTERFACE_MODE_GMII); + priv->phy_mode); of_node_put(phy_node); if (!phydev) diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index ce61c5670ef6..986db76705cc 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -653,14 +653,37 @@ static struct device_node *cvm_oct_node_for_port(struct device_node *pip, return np; } -static void cvm_set_rgmii_delay(struct device_node *np, int iface, int port) +static void cvm_set_rgmii_delay(struct octeon_ethernet *priv, int iface, + int port) { + struct device_node *np = priv->of_node; u32 delay_value; + bool rx_delay; + bool tx_delay; - if (!of_property_read_u32(np, "rx-delay", &delay_value)) + /* By default, both RX/TX delay is enabled in + * __cvmx_helper_rgmii_enable(). + */ + rx_delay = true; + tx_delay = true; + + if (!of_property_read_u32(np, "rx-delay", &delay_value)) { cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, iface), delay_value); - if (!of_property_read_u32(np, "tx-delay", &delay_value)) + rx_delay = delay_value > 0; + } + if (!of_property_read_u32(np, "tx-delay", &delay_value)) { cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, iface), delay_value); + tx_delay = delay_value > 0; + } + + if (!rx_delay && !tx_delay) + priv->phy_mode = PHY_INTERFACE_MODE_RGMII_ID; + else if (!rx_delay) + priv->phy_mode = PHY_INTERFACE_MODE_RGMII_RXID; + else if (!tx_delay) + priv->phy_mode = PHY_INTERFACE_MODE_RGMII_TXID; + else + priv->phy_mode = PHY_INTERFACE_MODE_RGMII; } static int cvm_oct_probe(struct platform_device *pdev) @@ -825,6 +848,7 @@ static int cvm_oct_probe(struct platform_device *pdev) priv->port = port; priv->queue = cvmx_pko_get_base_queue(priv->port); priv->fau = fau - cvmx_pko_get_num_queues(port) * 4; + priv->phy_mode = PHY_INTERFACE_MODE_NA; for (qos = 0; qos < 16; qos++) skb_queue_head_init(&priv->tx_free_list[qos]); for (qos = 0; qos < cvmx_pko_get_num_queues(port); @@ -856,6 +880,7 @@ static int cvm_oct_probe(struct platform_device *pdev) break; case CVMX_HELPER_INTERFACE_MODE_SGMII: + priv->phy_mode = PHY_INTERFACE_MODE_SGMII; dev->netdev_ops = &cvm_oct_sgmii_netdev_ops; strcpy(dev->name, "eth%d"); break; @@ -865,11 +890,16 @@ static int cvm_oct_probe(struct platform_device *pdev) strcpy(dev->name, "spi%d"); break; - case CVMX_HELPER_INTERFACE_MODE_RGMII: case CVMX_HELPER_INTERFACE_MODE_GMII: + priv->phy_mode = PHY_INTERFACE_MODE_GMII; + dev->netdev_ops = &cvm_oct_rgmii_netdev_ops; + strcpy(dev->name, "eth%d"); + break; + + case CVMX_HELPER_INTERFACE_MODE_RGMII: dev->netdev_ops = &cvm_oct_rgmii_netdev_ops; strcpy(dev->name, "eth%d"); - cvm_set_rgmii_delay(priv->of_node, interface, + cvm_set_rgmii_delay(priv, interface, port_index); break; } diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h index 4a07e7f43d12..be570d33685a 100644 --- a/drivers/staging/octeon/octeon-ethernet.h +++ b/drivers/staging/octeon/octeon-ethernet.h @@ -12,7 +12,7 @@ #define OCTEON_ETHERNET_H #include <linux/of.h> - +#include <linux/phy.h> #include <asm/octeon/cvmx-helper-board.h> /** @@ -33,6 +33,8 @@ struct octeon_ethernet { * cvmx_helper_interface_mode_t */ int imode; + /* PHY mode */ + phy_interface_t phy_mode; /* List of outstanding tx buffers per queue */ struct sk_buff_head tx_free_list[16]; unsigned int last_speed; diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c index 80b8d4153414..a54286498a47 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c @@ -45,7 +45,7 @@ static int dcon_init_xo_1(struct dcon_priv *dcon) { unsigned char lob; int ret, i; - struct dcon_gpio *pin = &gpios_asis[0]; + const struct dcon_gpio *pin = &gpios_asis[0]; for (i = 0; i < ARRAY_SIZE(gpios_asis); i++) { gpios[i] = devm_gpiod_get(&dcon->client->dev, pin[i].name, diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c index 1723a47a96b4..952f2ab51347 100644 --- a/drivers/staging/rtl8188eu/core/rtw_xmit.c +++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c @@ -174,7 +174,9 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf; - rtw_alloc_hwxmits(padapter); + res = rtw_alloc_hwxmits(padapter); + if (res == _FAIL) + goto exit; rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); for (i = 0; i < 4; i++) @@ -1503,7 +1505,7 @@ exit: return res; } -void rtw_alloc_hwxmits(struct adapter *padapter) +s32 rtw_alloc_hwxmits(struct adapter *padapter) { struct hw_xmit *hwxmits; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; @@ -1512,6 +1514,8 @@ void rtw_alloc_hwxmits(struct adapter *padapter) pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry, sizeof(struct hw_xmit), GFP_KERNEL); + if (!pxmitpriv->hwxmits) + return _FAIL; hwxmits = pxmitpriv->hwxmits; @@ -1519,6 +1523,7 @@ void rtw_alloc_hwxmits(struct adapter *padapter) hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; hwxmits[2] .sta_queue = &pxmitpriv->be_pending; hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; + return _SUCCESS; } void rtw_free_hwxmits(struct adapter *padapter) diff --git a/drivers/staging/rtl8188eu/include/rtw_xmit.h b/drivers/staging/rtl8188eu/include/rtw_xmit.h index 788f59c74ea1..ba7e15fbde72 100644 --- a/drivers/staging/rtl8188eu/include/rtw_xmit.h +++ b/drivers/staging/rtl8188eu/include/rtw_xmit.h @@ -336,7 +336,7 @@ s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry); s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter); void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv); -void rtw_alloc_hwxmits(struct adapter *padapter); +s32 rtw_alloc_hwxmits(struct adapter *padapter); void rtw_free_hwxmits(struct adapter *padapter); s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt); diff --git a/drivers/staging/rtl8712/rtl8712_cmd.c b/drivers/staging/rtl8712/rtl8712_cmd.c index 1920d02f7c9f..8c36acedf507 100644 --- a/drivers/staging/rtl8712/rtl8712_cmd.c +++ b/drivers/staging/rtl8712/rtl8712_cmd.c @@ -147,17 +147,9 @@ static u8 write_macreg_hdl(struct _adapter *padapter, u8 *pbuf) static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf) { - u32 val; - void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd); struct cmd_obj *pcmd = (struct cmd_obj *)pbuf; - if (pcmd->rsp && pcmd->rspsz > 0) - memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz); - pcmd_callback = cmd_callback[pcmd->cmdcode].callback; - if (!pcmd_callback) - r8712_free_cmd_obj(pcmd); - else - pcmd_callback(padapter, pcmd); + r8712_free_cmd_obj(pcmd); return H2C_SUCCESS; } diff --git a/drivers/staging/rtl8712/rtl8712_cmd.h b/drivers/staging/rtl8712/rtl8712_cmd.h index 92fb77666d44..1ef86b8c592f 100644 --- a/drivers/staging/rtl8712/rtl8712_cmd.h +++ b/drivers/staging/rtl8712/rtl8712_cmd.h @@ -140,7 +140,7 @@ enum rtl8712_h2c_cmd { static struct _cmd_callback cmd_callback[] = { {GEN_CMD_CODE(_Read_MACREG), NULL}, /*0*/ {GEN_CMD_CODE(_Write_MACREG), NULL}, - {GEN_CMD_CODE(_Read_BBREG), &r8712_getbbrfreg_cmdrsp_callback}, + {GEN_CMD_CODE(_Read_BBREG), NULL}, {GEN_CMD_CODE(_Write_BBREG), NULL}, {GEN_CMD_CODE(_Read_RFREG), &r8712_getbbrfreg_cmdrsp_callback}, {GEN_CMD_CODE(_Write_RFREG), NULL}, /*5*/ diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c index 094d61bcb469..b87f13a0b563 100644 --- a/drivers/staging/rtl8723bs/core/rtw_xmit.c +++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c @@ -260,7 +260,9 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) } } - rtw_alloc_hwxmits(padapter); + res = rtw_alloc_hwxmits(padapter); + if (res == _FAIL) + goto exit; rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); for (i = 0; i < 4; i++) { @@ -2144,7 +2146,7 @@ exit: return res; } -void rtw_alloc_hwxmits(struct adapter *padapter) +s32 rtw_alloc_hwxmits(struct adapter *padapter) { struct hw_xmit *hwxmits; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; @@ -2155,10 +2157,8 @@ void rtw_alloc_hwxmits(struct adapter *padapter) pxmitpriv->hwxmits = rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); - if (pxmitpriv->hwxmits == NULL) { - DBG_871X("alloc hwxmits fail!...\n"); - return; - } + if (!pxmitpriv->hwxmits) + return _FAIL; hwxmits = pxmitpriv->hwxmits; @@ -2204,7 +2204,7 @@ void rtw_alloc_hwxmits(struct adapter *padapter) } - + return _SUCCESS; } void rtw_free_hwxmits(struct adapter *padapter) diff --git a/drivers/staging/rtl8723bs/include/rtw_xmit.h b/drivers/staging/rtl8723bs/include/rtw_xmit.h index 1b38b9182b31..37f42b2f22f1 100644 --- a/drivers/staging/rtl8723bs/include/rtw_xmit.h +++ b/drivers/staging/rtl8723bs/include/rtw_xmit.h @@ -487,7 +487,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter); void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv); -void rtw_alloc_hwxmits(struct adapter *padapter); +s32 rtw_alloc_hwxmits(struct adapter *padapter); void rtw_free_hwxmits(struct adapter *padapter); diff --git a/drivers/staging/rtlwifi/phydm/rtl_phydm.c b/drivers/staging/rtlwifi/phydm/rtl_phydm.c index 9930ed954abb..4cc77b2016e1 100644 --- a/drivers/staging/rtlwifi/phydm/rtl_phydm.c +++ b/drivers/staging/rtlwifi/phydm/rtl_phydm.c @@ -180,6 +180,8 @@ static int rtl_phydm_init_priv(struct rtl_priv *rtlpriv, rtlpriv->phydm.internal = kzalloc(sizeof(struct phy_dm_struct), GFP_KERNEL); + if (!rtlpriv->phydm.internal) + return 0; _rtl_phydm_init_com_info(rtlpriv, ic, params); diff --git a/drivers/staging/rtlwifi/rtl8822be/fw.c b/drivers/staging/rtlwifi/rtl8822be/fw.c index f061dd1382aa..cf6b7a80b753 100644 --- a/drivers/staging/rtlwifi/rtl8822be/fw.c +++ b/drivers/staging/rtlwifi/rtl8822be/fw.c @@ -743,6 +743,8 @@ void rtl8822be_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) u1_rsvd_page_loc, 3); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; memcpy((u8 *)skb_put(skb, totalpacketlen), &reserved_page_packet, totalpacketlen); diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c index edff6ce85655..9d85a3a1af4c 100644 --- a/drivers/staging/speakup/speakup_soft.c +++ b/drivers/staging/speakup/speakup_soft.c @@ -210,12 +210,15 @@ static ssize_t softsynthx_read(struct file *fp, char __user *buf, size_t count, return -EINVAL; spin_lock_irqsave(&speakup_info.spinlock, flags); + synth_soft.alive = 1; while (1) { prepare_to_wait(&speakup_event, &wait, TASK_INTERRUPTIBLE); - if (!unicode) - synth_buffer_skip_nonlatin1(); - if (!synth_buffer_empty() || speakup_info.flushing) - break; + if (synth_current() == &synth_soft) { + if (!unicode) + synth_buffer_skip_nonlatin1(); + if (!synth_buffer_empty() || speakup_info.flushing) + break; + } spin_unlock_irqrestore(&speakup_info.spinlock, flags); if (fp->f_flags & O_NONBLOCK) { finish_wait(&speakup_event, &wait); @@ -235,6 +238,8 @@ static ssize_t softsynthx_read(struct file *fp, char __user *buf, size_t count, /* Keep 3 bytes available for a 16bit UTF-8-encoded character */ while (chars_sent <= count - bytes_per_ch) { + if (synth_current() != &synth_soft) + break; if (speakup_info.flushing) { speakup_info.flushing = 0; ch = '\x18'; @@ -331,7 +336,8 @@ static __poll_t softsynth_poll(struct file *fp, struct poll_table_struct *wait) poll_wait(fp, &speakup_event, wait); spin_lock_irqsave(&speakup_info.spinlock, flags); - if (!synth_buffer_empty() || speakup_info.flushing) + if (synth_current() == &synth_soft && + (!synth_buffer_empty() || speakup_info.flushing)) ret = EPOLLIN | EPOLLRDNORM; spin_unlock_irqrestore(&speakup_info.spinlock, flags); return ret; diff --git a/drivers/staging/speakup/spk_priv.h b/drivers/staging/speakup/spk_priv.h index c8e688878fc7..ac6a74883af4 100644 --- a/drivers/staging/speakup/spk_priv.h +++ b/drivers/staging/speakup/spk_priv.h @@ -74,6 +74,7 @@ int synth_request_region(unsigned long start, unsigned long n); int synth_release_region(unsigned long start, unsigned long n); int synth_add(struct spk_synth *in_synth); void synth_remove(struct spk_synth *in_synth); +struct spk_synth *synth_current(void); extern struct speakup_info_t speakup_info; diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index 25f259ee4ffc..3568bfb89912 100644 --- a/drivers/staging/speakup/synth.c +++ b/drivers/staging/speakup/synth.c @@ -481,4 +481,10 @@ void synth_remove(struct spk_synth *in_synth) } EXPORT_SYMBOL_GPL(synth_remove); +struct spk_synth *synth_current(void) +{ + return synth; +} +EXPORT_SYMBOL_GPL(synth_current); + short spk_punc_masks[] = { 0, SOME, MOST, PUNC, PUNC | B_SYM }; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 804daf83be35..064d0db4c51e 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -3513,6 +3513,7 @@ static int vchiq_probe(struct platform_device *pdev) struct device_node *fw_node; const struct of_device_id *of_id; struct vchiq_drvdata *drvdata; + struct device *vchiq_dev; int err; of_id = of_match_node(vchiq_of_match, pdev->dev.of_node); @@ -3547,9 +3548,12 @@ static int vchiq_probe(struct platform_device *pdev) goto failed_platform_init; } - if (IS_ERR(device_create(vchiq_class, &pdev->dev, vchiq_devid, - NULL, "vchiq"))) + vchiq_dev = device_create(vchiq_class, &pdev->dev, vchiq_devid, NULL, + "vchiq"); + if (IS_ERR(vchiq_dev)) { + err = PTR_ERR(vchiq_dev); goto failed_device_create; + } vchiq_debugfs_init(); diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index b370985b58a1..c6bb4aaf9bd0 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1033,8 +1033,6 @@ static void vnt_interrupt_process(struct vnt_private *priv) return; } - MACvIntDisable(priv->PortOffset); - spin_lock_irqsave(&priv->lock, flags); /* Read low level stats */ @@ -1122,8 +1120,6 @@ static void vnt_interrupt_process(struct vnt_private *priv) } spin_unlock_irqrestore(&priv->lock, flags); - - MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE); } static void vnt_interrupt_work(struct work_struct *work) @@ -1133,14 +1129,17 @@ static void vnt_interrupt_work(struct work_struct *work) if (priv->vif) vnt_interrupt_process(priv); + + MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE); } static irqreturn_t vnt_interrupt(int irq, void *arg) { struct vnt_private *priv = arg; - if (priv->vif) - schedule_work(&priv->interrupt_work); + schedule_work(&priv->interrupt_work); + + MACvIntDisable(priv->PortOffset); return IRQ_HANDLED; } diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c index db5df3d54818..3bdd56a1021b 100644 --- a/drivers/tty/serial/ar933x_uart.c +++ b/drivers/tty/serial/ar933x_uart.c @@ -49,11 +49,6 @@ struct ar933x_uart_port { struct clk *clk; }; -static inline bool ar933x_uart_console_enabled(void) -{ - return IS_ENABLED(CONFIG_SERIAL_AR933X_CONSOLE); -} - static inline unsigned int ar933x_uart_read(struct ar933x_uart_port *up, int offset) { @@ -508,6 +503,7 @@ static const struct uart_ops ar933x_uart_ops = { .verify_port = ar933x_uart_verify_port, }; +#ifdef CONFIG_SERIAL_AR933X_CONSOLE static struct ar933x_uart_port * ar933x_console_ports[CONFIG_SERIAL_AR933X_NR_UARTS]; @@ -604,14 +600,7 @@ static struct console ar933x_uart_console = { .index = -1, .data = &ar933x_uart_driver, }; - -static void ar933x_uart_add_console_port(struct ar933x_uart_port *up) -{ - if (!ar933x_uart_console_enabled()) - return; - - ar933x_console_ports[up->port.line] = up; -} +#endif /* CONFIG_SERIAL_AR933X_CONSOLE */ static struct uart_driver ar933x_uart_driver = { .owner = THIS_MODULE, @@ -700,7 +689,9 @@ static int ar933x_uart_probe(struct platform_device *pdev) baud = ar933x_uart_get_baud(port->uartclk, 0, AR933X_UART_MAX_STEP); up->max_baud = min_t(unsigned int, baud, AR933X_UART_MAX_BAUD); - ar933x_uart_add_console_port(up); +#ifdef CONFIG_SERIAL_AR933X_CONSOLE + ar933x_console_ports[up->port.line] = up; +#endif ret = uart_add_one_port(&ar933x_uart_driver, &up->port); if (ret) @@ -749,8 +740,9 @@ static int __init ar933x_uart_init(void) { int ret; - if (ar933x_uart_console_enabled()) - ar933x_uart_driver.cons = &ar933x_uart_console; +#ifdef CONFIG_SERIAL_AR933X_CONSOLE + ar933x_uart_driver.cons = &ar933x_uart_console; +#endif ret = uart_register_driver(&ar933x_uart_driver); if (ret) diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 05147fe24343..0b4f36905321 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -166,6 +166,8 @@ struct atmel_uart_port { unsigned int pending_status; spinlock_t lock_suspended; + bool hd_start_rx; /* can start RX during half-duplex operation */ + /* ISO7816 */ unsigned int fidi_min; unsigned int fidi_max; @@ -231,6 +233,13 @@ static inline void atmel_uart_write_char(struct uart_port *port, u8 value) __raw_writeb(value, port->membase + ATMEL_US_THR); } +static inline int atmel_uart_is_half_duplex(struct uart_port *port) +{ + return ((port->rs485.flags & SER_RS485_ENABLED) && + !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || + (port->iso7816.flags & SER_ISO7816_ENABLED); +} + #ifdef CONFIG_SERIAL_ATMEL_PDC static bool atmel_use_pdc_rx(struct uart_port *port) { @@ -608,10 +617,9 @@ static void atmel_stop_tx(struct uart_port *port) /* Disable interrupts */ atmel_uart_writel(port, ATMEL_US_IDR, atmel_port->tx_done_mask); - if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) + if (atmel_uart_is_half_duplex(port)) atmel_start_rx(port); + } /* @@ -628,9 +636,7 @@ static void atmel_start_tx(struct uart_port *port) return; if (atmel_use_pdc_tx(port) || atmel_use_dma_tx(port)) - if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) + if (atmel_uart_is_half_duplex(port)) atmel_stop_rx(port); if (atmel_use_pdc_tx(port)) @@ -928,11 +934,14 @@ static void atmel_complete_tx_dma(void *arg) */ if (!uart_circ_empty(xmit)) atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx); - else if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) { - /* DMA done, stop TX, start RX for RS485 */ - atmel_start_rx(port); + else if (atmel_uart_is_half_duplex(port)) { + /* + * DMA done, re-enable TXEMPTY and signal that we can stop + * TX and start RX for RS485 + */ + atmel_port->hd_start_rx = true; + atmel_uart_writel(port, ATMEL_US_IER, + atmel_port->tx_done_mask); } spin_unlock_irqrestore(&port->lock, flags); @@ -1288,6 +1297,10 @@ static int atmel_prepare_rx_dma(struct uart_port *port) sg_dma_len(&atmel_port->sg_rx)/2, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT); + if (!desc) { + dev_err(port->dev, "Preparing DMA cyclic failed\n"); + goto chan_err; + } desc->callback = atmel_complete_rx_dma; desc->callback_param = port; atmel_port->desc_rx = desc; @@ -1376,9 +1389,20 @@ atmel_handle_transmit(struct uart_port *port, unsigned int pending) struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); if (pending & atmel_port->tx_done_mask) { - /* Either PDC or interrupt transmission */ atmel_uart_writel(port, ATMEL_US_IDR, atmel_port->tx_done_mask); + + /* Start RX if flag was set and FIFO is empty */ + if (atmel_port->hd_start_rx) { + if (!(atmel_uart_readl(port, ATMEL_US_CSR) + & ATMEL_US_TXEMPTY)) + dev_warn(port->dev, "Should start RX, but TX fifo is not empty\n"); + + atmel_port->hd_start_rx = false; + atmel_start_rx(port); + return; + } + atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx); } } @@ -1508,9 +1532,7 @@ static void atmel_tx_pdc(struct uart_port *port) atmel_uart_writel(port, ATMEL_US_IER, atmel_port->tx_done_mask); } else { - if (((port->rs485.flags & SER_RS485_ENABLED) && - !(port->rs485.flags & SER_RS485_RX_DURING_TX)) || - port->iso7816.flags & SER_ISO7816_ENABLED) { + if (atmel_uart_is_half_duplex(port)) { /* DMA done, stop TX, start RX for RS485 */ atmel_start_rx(port); } diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index 6fb312e7af71..bfe5e9e034ec 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -148,8 +148,10 @@ static int configure_kgdboc(void) char *cptr = config; struct console *cons; - if (!strlen(config) || isspace(config[0])) + if (!strlen(config) || isspace(config[0])) { + err = 0; goto noconfig; + } kgdboc_io_ops.is_console = 0; kgdb_tty_driver = NULL; diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index f5bdde405627..450ba6d7996c 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1415,6 +1415,8 @@ static int max310x_spi_probe(struct spi_device *spi) if (spi->dev.of_node) { const struct of_device_id *of_id = of_match_device(max310x_dt_ids, &spi->dev); + if (!of_id) + return -ENODEV; devtype = (struct max310x_devtype *)of_id->data; } else { diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c index 231f751d1ef4..7e7b1559fa36 100644 --- a/drivers/tty/serial/mvebu-uart.c +++ b/drivers/tty/serial/mvebu-uart.c @@ -810,6 +810,9 @@ static int mvebu_uart_probe(struct platform_device *pdev) return -EINVAL; } + if (!match) + return -ENODEV; + /* Assume that all UART ports have a DT alias or none has */ id = of_alias_get_id(pdev->dev.of_node, "serial"); if (!pdev->dev.of_node || id < 0) diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 27235a526cce..4c188f4079b3 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -1686,6 +1686,10 @@ static int mxs_auart_probe(struct platform_device *pdev) s->port.mapbase = r->start; s->port.membase = ioremap(r->start, resource_size(r)); + if (!s->port.membase) { + ret = -ENOMEM; + goto out_disable_clks; + } s->port.ops = &mxs_auart_ops; s->port.iotype = UPIO_MEM; s->port.fifosize = MXS_AUART_FIFO_SIZE; diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 3bcec1c20219..35e5f9c5d5be 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1050,7 +1050,7 @@ static int __init qcom_geni_console_setup(struct console *co, char *options) { struct uart_port *uport; struct qcom_geni_serial_port *port; - int baud; + int baud = 9600; int bits = 8; int parity = 'n'; int flow = 'n'; diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 635178cf3eed..09a183dfc526 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1507,7 +1507,7 @@ static int __init sc16is7xx_init(void) ret = i2c_add_driver(&sc16is7xx_i2c_uart_driver); if (ret < 0) { pr_err("failed to init sc16is7xx i2c --> %d\n", ret); - return ret; + goto err_i2c; } #endif @@ -1515,10 +1515,18 @@ static int __init sc16is7xx_init(void) ret = spi_register_driver(&sc16is7xx_spi_uart_driver); if (ret < 0) { pr_err("failed to init sc16is7xx spi --> %d\n", ret); - return ret; + goto err_spi; } #endif return ret; + +err_spi: +#ifdef CONFIG_SERIAL_SC16IS7XX_I2C + i2c_del_driver(&sc16is7xx_i2c_uart_driver); +#endif +err_i2c: + uart_unregister_driver(&sc16is7xx_uart); + return ret; } module_init(sc16is7xx_init); diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 060fcd42b6d5..2d1c626312cd 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -838,19 +838,9 @@ static void sci_transmit_chars(struct uart_port *port) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); - if (uart_circ_empty(xmit)) { + if (uart_circ_empty(xmit)) sci_stop_tx(port); - } else { - ctrl = serial_port_in(port, SCSCR); - - if (port->type != PORT_SCI) { - serial_port_in(port, SCxSR); /* Dummy read */ - sci_clear_SCxSR(port, SCxSR_TDxE_CLEAR(port)); - } - ctrl |= SCSCR_TIE; - serial_port_out(port, SCSCR, ctrl); - } } /* On SH3, SCIF may read end-of-break as a space->mark char */ diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 044c3cbdcfa4..a9e12b3bc31d 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -325,7 +325,7 @@ static void tty_port_shutdown(struct tty_port *port, struct tty_struct *tty) if (tty && C_HUPCL(tty)) tty_port_lower_dtr_rts(port); - if (port->ops->shutdown) + if (port->ops && port->ops->shutdown) port->ops->shutdown(port); } out: @@ -398,7 +398,7 @@ EXPORT_SYMBOL_GPL(tty_port_tty_wakeup); */ int tty_port_carrier_raised(struct tty_port *port) { - if (port->ops->carrier_raised == NULL) + if (!port->ops || !port->ops->carrier_raised) return 1; return port->ops->carrier_raised(port); } @@ -414,7 +414,7 @@ EXPORT_SYMBOL(tty_port_carrier_raised); */ void tty_port_raise_dtr_rts(struct tty_port *port) { - if (port->ops->dtr_rts) + if (port->ops && port->ops->dtr_rts) port->ops->dtr_rts(port, 1); } EXPORT_SYMBOL(tty_port_raise_dtr_rts); @@ -429,7 +429,7 @@ EXPORT_SYMBOL(tty_port_raise_dtr_rts); */ void tty_port_lower_dtr_rts(struct tty_port *port) { - if (port->ops->dtr_rts) + if (port->ops && port->ops->dtr_rts) port->ops->dtr_rts(port, 0); } EXPORT_SYMBOL(tty_port_lower_dtr_rts); @@ -684,7 +684,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty, if (!tty_port_initialized(port)) { clear_bit(TTY_IO_ERROR, &tty->flags); - if (port->ops->activate) { + if (port->ops && port->ops->activate) { int retval = port->ops->activate(port, tty); if (retval) { mutex_unlock(&port->mutex); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 739f8960811a..ec666eb4b7b4 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -558,10 +558,8 @@ static void acm_softint(struct work_struct *work) clear_bit(EVENT_RX_STALL, &acm->flags); } - if (test_bit(EVENT_TTY_WAKEUP, &acm->flags)) { + if (test_and_clear_bit(EVENT_TTY_WAKEUP, &acm->flags)) tty_port_tty_wakeup(&acm->port); - clear_bit(EVENT_TTY_WAKEUP, &acm->flags); - } } /* diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 48277bbc15e4..73c8e6591746 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -145,6 +145,8 @@ enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0) do { controller = of_find_node_with_property(controller, "phys"); + if (!of_device_is_available(controller)) + continue; index = 0; do { if (arg0 == -1) { diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 3189181bb628..975d7c1288e3 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2742,6 +2742,9 @@ int usb_add_hcd(struct usb_hcd *hcd, retval = usb_phy_roothub_set_mode(hcd->phy_roothub, PHY_MODE_USB_HOST_SS); if (retval) + retval = usb_phy_roothub_set_mode(hcd->phy_roothub, + PHY_MODE_USB_HOST); + if (retval) goto err_usb_phy_roothub_power_on; retval = usb_phy_roothub_power_on(hcd->phy_roothub); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index fdc6e4e403e8..8cced3609e24 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -29,6 +29,7 @@ #define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa #define PCI_DEVICE_ID_INTEL_APL 0x5aaa #define PCI_DEVICE_ID_INTEL_KBP 0xa2b0 +#define PCI_DEVICE_ID_INTEL_CMLH 0x02ee #define PCI_DEVICE_ID_INTEL_GLK 0x31aa #define PCI_DEVICE_ID_INTEL_CNPLP 0x9dee #define PCI_DEVICE_ID_INTEL_CNPH 0xa36e @@ -305,6 +306,9 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD), (kernel_ulong_t) &dwc3_pci_mrfld_properties, }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH), + (kernel_ulong_t) &dwc3_pci_intel_properties, }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP), (kernel_ulong_t) &dwc3_pci_intel_properties, }, diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index 75b113a5b25c..f3816a5c861e 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -391,20 +391,20 @@ try_again: req->complete = f_hidg_req_complete; req->context = hidg; + spin_unlock_irqrestore(&hidg->write_spinlock, flags); + status = usb_ep_queue(hidg->in_ep, req, GFP_ATOMIC); if (status < 0) { ERROR(hidg->func.config->cdev, "usb_ep_queue error on int endpoint %zd\n", status); - goto release_write_pending_unlocked; + goto release_write_pending; } else { status = count; } - spin_unlock_irqrestore(&hidg->write_spinlock, flags); return status; release_write_pending: spin_lock_irqsave(&hidg->write_spinlock, flags); -release_write_pending_unlocked: hidg->write_pending = 0; spin_unlock_irqrestore(&hidg->write_spinlock, flags); diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index b77f3126580e..c2011cd7df8c 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -945,6 +945,7 @@ net2272_dequeue(struct usb_ep *_ep, struct usb_request *_req) break; } if (&req->req != _req) { + ep->stopped = stopped; spin_unlock_irqrestore(&ep->dev->lock, flags); return -EINVAL; } diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index f63f82450bf4..898339e5df10 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -866,9 +866,6 @@ static void start_queue(struct net2280_ep *ep, u32 dmactl, u32 td_dma) (void) readl(&ep->dev->pci->pcimstctl); writel(BIT(DMA_START), &dma->dmastat); - - if (!ep->is_in) - stop_out_naking(ep); } static void start_dma(struct net2280_ep *ep, struct net2280_request *req) @@ -907,6 +904,7 @@ static void start_dma(struct net2280_ep *ep, struct net2280_request *req) writel(BIT(DMA_START), &dma->dmastat); return; } + stop_out_naking(ep); } tmp = dmactl_default; @@ -1275,9 +1273,9 @@ static int net2280_dequeue(struct usb_ep *_ep, struct usb_request *_req) break; } if (&req->req != _req) { + ep->stopped = stopped; spin_unlock_irqrestore(&ep->dev->lock, flags); - dev_err(&ep->dev->pdev->dev, "%s: Request mismatch\n", - __func__); + ep_dbg(ep->dev, "%s: Request mismatch\n", __func__); return -EINVAL; } diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 934584f0a20a..6343fbacd244 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3204,6 +3204,9 @@ static int __init u132_hcd_init(void) printk(KERN_INFO "driver %s\n", hcd_name); workqueue = create_singlethread_workqueue("u132"); retval = platform_driver_register(&u132_platform_driver); + if (retval) + destroy_workqueue(workqueue); + return retval; } diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index c78be578abb0..d932cc31711e 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -516,7 +516,6 @@ static int xhci_do_dbc_stop(struct xhci_hcd *xhci) return -1; writel(0, &dbc->regs->control); - xhci_dbc_mem_cleanup(xhci); dbc->state = DS_DISABLED; return 0; @@ -562,8 +561,10 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci) ret = xhci_do_dbc_stop(xhci); spin_unlock_irqrestore(&dbc->lock, flags); - if (!ret) + if (!ret) { + xhci_dbc_mem_cleanup(xhci); pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller); + } } static void diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index e2eece693655..96a740543183 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1545,20 +1545,25 @@ int xhci_bus_suspend(struct usb_hcd *hcd) port_index = max_ports; while (port_index--) { u32 t1, t2; - + int retries = 10; +retry: t1 = readl(ports[port_index]->addr); t2 = xhci_port_state_to_neutral(t1); portsc_buf[port_index] = 0; - /* Bail out if a USB3 port has a new device in link training */ - if ((hcd->speed >= HCD_USB3) && + /* + * Give a USB3 port in link training time to finish, but don't + * prevent suspend as port might be stuck + */ + if ((hcd->speed >= HCD_USB3) && retries-- && (t1 & PORT_PLS_MASK) == XDEV_POLLING) { - bus_state->bus_suspended = 0; spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "Bus suspend bailout, port in polling\n"); - return -EBUSY; + msleep(XHCI_PORT_POLLING_LFPS_TIME); + spin_lock_irqsave(&xhci->lock, flags); + xhci_dbg(xhci, "port %d polling in bus suspend, waiting\n", + port_index); + goto retry; } - /* suspend ports in U0, or bail out for new connect changes */ if ((t1 & PORT_PE) && (t1 & PORT_PLS_MASK) == XDEV_U0) { if ((t1 & PORT_CSC) && wake_enabled) { diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index a6e463715779..671bce18782c 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -246,6 +246,7 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd) if (!xhci_rcar_wait_for_pll_active(hcd)) return -ETIMEDOUT; + xhci->quirks |= XHCI_TRUST_TX_LENGTH; return xhci_rcar_download_firmware(hcd); } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 40fa25c4d041..9215a28dad40 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1647,10 +1647,13 @@ static void handle_port_status(struct xhci_hcd *xhci, } } - if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_U0 && - DEV_SUPERSPEED_ANY(portsc)) { + if ((portsc & PORT_PLC) && + DEV_SUPERSPEED_ANY(portsc) && + ((portsc & PORT_PLS_MASK) == XDEV_U0 || + (portsc & PORT_PLS_MASK) == XDEV_U1 || + (portsc & PORT_PLS_MASK) == XDEV_U2)) { xhci_dbg(xhci, "resume SS port %d finished\n", port_id); - /* We've just brought the device into U0 through either the + /* We've just brought the device into U0/1/2 through either the * Resume state after a device remote wakeup, or through the * U3Exit state after a host-initiated resume. If it's a device * initiated remote wake, don't pass up the link state change, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 652dc36e3012..9334cdee382a 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -452,6 +452,14 @@ struct xhci_op_regs { */ #define XHCI_DEFAULT_BESL 4 +/* + * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports + * to complete link training. usually link trainig completes much faster + * so check status 10 times with 36ms sleep in places we need to wait for + * polling to complete. + */ +#define XHCI_PORT_POLLING_LFPS_TIME 36 + /** * struct xhci_intr_reg - Interrupt Register Set * @irq_pending: IMAN - Interrupt Management Register. Used to enable diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c index 4d72b7d1d383..04684849d683 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -547,7 +547,7 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, */ hub->port_swap = USB251XB_DEF_PORT_SWAP; of_property_for_each_u32(np, "swap-dx-lanes", prop, p, port) { - if ((port >= 0) && (port <= data->port_cnt)) + if (port <= data->port_cnt) hub->port_swap |= BIT(port); } @@ -612,7 +612,7 @@ static int usb251xb_probe(struct usb251xb *hub) dev); int err; - if (np) { + if (np && of_id) { err = usb251xb_get_ofdata(hub, (struct usb251xb_data *)of_id->data); if (err) { diff --git a/drivers/usb/mtu3/Kconfig b/drivers/usb/mtu3/Kconfig index bcc23486c4ed..928c2cd6fc00 100644 --- a/drivers/usb/mtu3/Kconfig +++ b/drivers/usb/mtu3/Kconfig @@ -6,6 +6,7 @@ config USB_MTU3 tristate "MediaTek USB3 Dual Role controller" depends on USB || USB_GADGET depends on ARCH_MEDIATEK || COMPILE_TEST + depends on EXTCON || !EXTCON select USB_XHCI_MTK if USB_SUPPORT && USB_XHCI_HCD help Say Y or M here if your system runs on MediaTek SoCs with diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fffe23ab0189..979bef9bfb6b 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -80,6 +80,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */ { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */ { USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */ + { USB_DEVICE(0x10C4, 0x8056) }, /* Lorenz Messtechnik devices */ { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */ { USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */ { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 8f5b17471759..1d8461ae2c34 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -609,6 +609,8 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index b863bedb55a1..5755f0df0025 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -567,7 +567,9 @@ /* * NovaTech product ids (FTDI_VID) */ -#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ +#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ +#define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */ +#define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */ /* * Synapse Wireless product ids (FTDI_VID) diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index fc52ac75fbf6..18110225d506 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -366,8 +366,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, if (!urbtrack) return -ENOMEM; - kref_get(&mos_parport->ref_count); - urbtrack->mos_parport = mos_parport; urbtrack->urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urbtrack->urb) { kfree(urbtrack); @@ -388,6 +386,8 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, usb_sndctrlpipe(usbdev, 0), (unsigned char *)urbtrack->setup, NULL, 0, async_complete, urbtrack); + kref_get(&mos_parport->ref_count); + urbtrack->mos_parport = mos_parport; kref_init(&urbtrack->ref_count); INIT_LIST_HEAD(&urbtrack->urblist_entry); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 11b21d9410f3..83869065b802 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -246,6 +246,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EC25 0x0125 #define QUECTEL_PRODUCT_BG96 0x0296 #define QUECTEL_PRODUCT_EP06 0x0306 +#define QUECTEL_PRODUCT_EM12 0x0512 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -1066,7 +1067,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(3) }, { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */ - { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ + { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */ + .driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) }, /* Quectel products using Qualcomm vendor ID */ { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)}, { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20), @@ -1087,6 +1089,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff), + .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), @@ -1940,10 +1945,12 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */ .driver_info = RSVD(4) }, - { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ - { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */ + .driver_info = RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) }, diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 0f62db091d8d..a2233d72ae7c 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -37,6 +37,7 @@ S(SRC_ATTACHED), \ S(SRC_STARTUP), \ S(SRC_SEND_CAPABILITIES), \ + S(SRC_SEND_CAPABILITIES_TIMEOUT), \ S(SRC_NEGOTIATE_CAPABILITIES), \ S(SRC_TRANSITION_SUPPLY), \ S(SRC_READY), \ @@ -2966,10 +2967,34 @@ static void run_state_machine(struct tcpm_port *port) /* port->hard_reset_count = 0; */ port->caps_count = 0; port->pd_capable = true; - tcpm_set_state_cond(port, hard_reset_state(port), + tcpm_set_state_cond(port, SRC_SEND_CAPABILITIES_TIMEOUT, PD_T_SEND_SOURCE_CAP); } break; + case SRC_SEND_CAPABILITIES_TIMEOUT: + /* + * Error recovery for a PD_DATA_SOURCE_CAP reply timeout. + * + * PD 2.0 sinks are supposed to accept src-capabilities with a + * 3.0 header and simply ignore any src PDOs which the sink does + * not understand such as PPS but some 2.0 sinks instead ignore + * the entire PD_DATA_SOURCE_CAP message, causing contract + * negotiation to fail. + * + * After PD_N_HARD_RESET_COUNT hard-reset attempts, we try + * sending src-capabilities with a lower PD revision to + * make these broken sinks work. + */ + if (port->hard_reset_count < PD_N_HARD_RESET_COUNT) { + tcpm_set_state(port, HARD_RESET_SEND, 0); + } else if (port->negotiated_rev > PD_REV20) { + port->negotiated_rev--; + port->hard_reset_count = 0; + tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0); + } else { + tcpm_set_state(port, hard_reset_state(port), 0); + } + break; case SRC_NEGOTIATE_CAPABILITIES: ret = tcpm_pd_check_request(port); if (ret < 0) { diff --git a/drivers/usb/typec/tcpm/wcove.c b/drivers/usb/typec/tcpm/wcove.c index 423208e19383..6770afd40765 100644 --- a/drivers/usb/typec/tcpm/wcove.c +++ b/drivers/usb/typec/tcpm/wcove.c @@ -615,8 +615,13 @@ static int wcove_typec_probe(struct platform_device *pdev) wcove->dev = &pdev->dev; wcove->regmap = pmic->regmap; - irq = regmap_irq_get_virq(pmic->irq_chip_data_chgr, - platform_get_irq(pdev, 0)); + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq); + return irq; + } + + irq = regmap_irq_get_virq(pmic->irq_chip_data_chgr, irq); if (irq < 0) return irq; diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c index df7d09409efe..8ca333f21292 100644 --- a/drivers/virt/vboxguest/vboxguest_core.c +++ b/drivers/virt/vboxguest/vboxguest_core.c @@ -27,6 +27,10 @@ #define GUEST_MAPPINGS_TRIES 5 +#define VBG_KERNEL_REQUEST \ + (VMMDEV_REQUESTOR_KERNEL | VMMDEV_REQUESTOR_USR_DRV | \ + VMMDEV_REQUESTOR_CON_DONT_KNOW | VMMDEV_REQUESTOR_TRUST_NOT_GIVEN) + /** * Reserves memory in which the VMM can relocate any guest mappings * that are floating around. @@ -48,7 +52,8 @@ static void vbg_guest_mappings_init(struct vbg_dev *gdev) int i, rc; /* Query the required space. */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HYPERVISOR_INFO); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HYPERVISOR_INFO, + VBG_KERNEL_REQUEST); if (!req) return; @@ -135,7 +140,8 @@ static void vbg_guest_mappings_exit(struct vbg_dev *gdev) * Tell the host that we're going to free the memory we reserved for * it, the free it up. (Leak the memory if anything goes wrong here.) */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_HYPERVISOR_INFO); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_HYPERVISOR_INFO, + VBG_KERNEL_REQUEST); if (!req) return; @@ -172,8 +178,10 @@ static int vbg_report_guest_info(struct vbg_dev *gdev) struct vmmdev_guest_info2 *req2 = NULL; int rc, ret = -ENOMEM; - req1 = vbg_req_alloc(sizeof(*req1), VMMDEVREQ_REPORT_GUEST_INFO); - req2 = vbg_req_alloc(sizeof(*req2), VMMDEVREQ_REPORT_GUEST_INFO2); + req1 = vbg_req_alloc(sizeof(*req1), VMMDEVREQ_REPORT_GUEST_INFO, + VBG_KERNEL_REQUEST); + req2 = vbg_req_alloc(sizeof(*req2), VMMDEVREQ_REPORT_GUEST_INFO2, + VBG_KERNEL_REQUEST); if (!req1 || !req2) goto out_free; @@ -187,8 +195,8 @@ static int vbg_report_guest_info(struct vbg_dev *gdev) req2->additions_minor = VBG_VERSION_MINOR; req2->additions_build = VBG_VERSION_BUILD; req2->additions_revision = VBG_SVN_REV; - /* (no features defined yet) */ - req2->additions_features = 0; + req2->additions_features = + VMMDEV_GUEST_INFO2_ADDITIONS_FEATURES_REQUESTOR_INFO; strlcpy(req2->name, VBG_VERSION_STRING, sizeof(req2->name)); @@ -230,7 +238,8 @@ static int vbg_report_driver_status(struct vbg_dev *gdev, bool active) struct vmmdev_guest_status *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_REPORT_GUEST_STATUS); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_REPORT_GUEST_STATUS, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -423,7 +432,8 @@ static int vbg_heartbeat_host_config(struct vbg_dev *gdev, bool enabled) struct vmmdev_heartbeat *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_HEARTBEAT_CONFIGURE); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_HEARTBEAT_CONFIGURE, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -457,7 +467,8 @@ static int vbg_heartbeat_init(struct vbg_dev *gdev) gdev->guest_heartbeat_req = vbg_req_alloc( sizeof(*gdev->guest_heartbeat_req), - VMMDEVREQ_GUEST_HEARTBEAT); + VMMDEVREQ_GUEST_HEARTBEAT, + VBG_KERNEL_REQUEST); if (!gdev->guest_heartbeat_req) return -ENOMEM; @@ -528,7 +539,8 @@ static int vbg_reset_host_event_filter(struct vbg_dev *gdev, struct vmmdev_mask *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -567,8 +579,14 @@ static int vbg_set_session_event_filter(struct vbg_dev *gdev, u32 changed, previous; int rc, ret = 0; - /* Allocate a request buffer before taking the spinlock */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK); + /* + * Allocate a request buffer before taking the spinlock, when + * the session is being terminated the requestor is the kernel, + * as we're cleaning up. + */ + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK, + session_termination ? VBG_KERNEL_REQUEST : + session->requestor); if (!req) { if (!session_termination) return -ENOMEM; @@ -627,7 +645,8 @@ static int vbg_reset_host_capabilities(struct vbg_dev *gdev) struct vmmdev_mask *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -662,8 +681,14 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev, u32 changed, previous; int rc, ret = 0; - /* Allocate a request buffer before taking the spinlock */ - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES); + /* + * Allocate a request buffer before taking the spinlock, when + * the session is being terminated the requestor is the kernel, + * as we're cleaning up. + */ + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES, + session_termination ? VBG_KERNEL_REQUEST : + session->requestor); if (!req) { if (!session_termination) return -ENOMEM; @@ -722,7 +747,8 @@ static int vbg_query_host_version(struct vbg_dev *gdev) struct vmmdev_host_version *req; int rc, ret; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HOST_VERSION); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HOST_VERSION, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; @@ -783,19 +809,24 @@ int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events) gdev->mem_balloon.get_req = vbg_req_alloc(sizeof(*gdev->mem_balloon.get_req), - VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ); + VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ, + VBG_KERNEL_REQUEST); gdev->mem_balloon.change_req = vbg_req_alloc(sizeof(*gdev->mem_balloon.change_req), - VMMDEVREQ_CHANGE_MEMBALLOON); + VMMDEVREQ_CHANGE_MEMBALLOON, + VBG_KERNEL_REQUEST); gdev->cancel_req = vbg_req_alloc(sizeof(*(gdev->cancel_req)), - VMMDEVREQ_HGCM_CANCEL2); + VMMDEVREQ_HGCM_CANCEL2, + VBG_KERNEL_REQUEST); gdev->ack_events_req = vbg_req_alloc(sizeof(*gdev->ack_events_req), - VMMDEVREQ_ACKNOWLEDGE_EVENTS); + VMMDEVREQ_ACKNOWLEDGE_EVENTS, + VBG_KERNEL_REQUEST); gdev->mouse_status_req = vbg_req_alloc(sizeof(*gdev->mouse_status_req), - VMMDEVREQ_GET_MOUSE_STATUS); + VMMDEVREQ_GET_MOUSE_STATUS, + VBG_KERNEL_REQUEST); if (!gdev->mem_balloon.get_req || !gdev->mem_balloon.change_req || !gdev->cancel_req || !gdev->ack_events_req || @@ -892,9 +923,9 @@ void vbg_core_exit(struct vbg_dev *gdev) * vboxguest_linux.c calls this when userspace opens the char-device. * Return: A pointer to the new session or an ERR_PTR on error. * @gdev: The Guest extension device. - * @user: Set if this is a session for the vboxuser device. + * @requestor: VMMDEV_REQUESTOR_* flags */ -struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user) +struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, u32 requestor) { struct vbg_session *session; @@ -903,7 +934,7 @@ struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user) return ERR_PTR(-ENOMEM); session->gdev = gdev; - session->user_session = user; + session->requestor = requestor; return session; } @@ -924,7 +955,9 @@ void vbg_core_close_session(struct vbg_session *session) if (!session->hgcm_client_ids[i]) continue; - vbg_hgcm_disconnect(gdev, session->hgcm_client_ids[i], &rc); + /* requestor is kernel here, as we're cleaning up. */ + vbg_hgcm_disconnect(gdev, VBG_KERNEL_REQUEST, + session->hgcm_client_ids[i], &rc); } kfree(session); @@ -1152,7 +1185,8 @@ static int vbg_req_allowed(struct vbg_dev *gdev, struct vbg_session *session, return -EPERM; } - if (trusted_apps_only && session->user_session) { + if (trusted_apps_only && + (session->requestor & VMMDEV_REQUESTOR_USER_DEVICE)) { vbg_err("Denying userspace vmm call type %#08x through vboxuser device node\n", req->request_type); return -EPERM; @@ -1209,8 +1243,8 @@ static int vbg_ioctl_hgcm_connect(struct vbg_dev *gdev, if (i >= ARRAY_SIZE(session->hgcm_client_ids)) return -EMFILE; - ret = vbg_hgcm_connect(gdev, &conn->u.in.loc, &client_id, - &conn->hdr.rc); + ret = vbg_hgcm_connect(gdev, session->requestor, &conn->u.in.loc, + &client_id, &conn->hdr.rc); mutex_lock(&gdev->session_mutex); if (ret == 0 && conn->hdr.rc >= 0) { @@ -1251,7 +1285,8 @@ static int vbg_ioctl_hgcm_disconnect(struct vbg_dev *gdev, if (i >= ARRAY_SIZE(session->hgcm_client_ids)) return -EINVAL; - ret = vbg_hgcm_disconnect(gdev, client_id, &disconn->hdr.rc); + ret = vbg_hgcm_disconnect(gdev, session->requestor, client_id, + &disconn->hdr.rc); mutex_lock(&gdev->session_mutex); if (ret == 0 && disconn->hdr.rc >= 0) @@ -1313,12 +1348,12 @@ static int vbg_ioctl_hgcm_call(struct vbg_dev *gdev, } if (IS_ENABLED(CONFIG_COMPAT) && f32bit) - ret = vbg_hgcm_call32(gdev, client_id, + ret = vbg_hgcm_call32(gdev, session->requestor, client_id, call->function, call->timeout_ms, VBG_IOCTL_HGCM_CALL_PARMS32(call), call->parm_count, &call->hdr.rc); else - ret = vbg_hgcm_call(gdev, client_id, + ret = vbg_hgcm_call(gdev, session->requestor, client_id, call->function, call->timeout_ms, VBG_IOCTL_HGCM_CALL_PARMS(call), call->parm_count, &call->hdr.rc); @@ -1408,6 +1443,7 @@ static int vbg_ioctl_check_balloon(struct vbg_dev *gdev, } static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev, + struct vbg_session *session, struct vbg_ioctl_write_coredump *dump) { struct vmmdev_write_core_dump *req; @@ -1415,7 +1451,8 @@ static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev, if (vbg_ioctl_chk(&dump->hdr, sizeof(dump->u.in), 0)) return -EINVAL; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_WRITE_COREDUMP); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_WRITE_COREDUMP, + session->requestor); if (!req) return -ENOMEM; @@ -1476,7 +1513,7 @@ int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data) case VBG_IOCTL_CHECK_BALLOON: return vbg_ioctl_check_balloon(gdev, data); case VBG_IOCTL_WRITE_CORE_DUMP: - return vbg_ioctl_write_core_dump(gdev, data); + return vbg_ioctl_write_core_dump(gdev, session, data); } /* Variable sized requests. */ @@ -1508,7 +1545,8 @@ int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features) struct vmmdev_mouse_status *req; int rc; - req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_MOUSE_STATUS); + req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_MOUSE_STATUS, + VBG_KERNEL_REQUEST); if (!req) return -ENOMEM; diff --git a/drivers/virt/vboxguest/vboxguest_core.h b/drivers/virt/vboxguest/vboxguest_core.h index 7ad9ec45bfa9..4188c12b839f 100644 --- a/drivers/virt/vboxguest/vboxguest_core.h +++ b/drivers/virt/vboxguest/vboxguest_core.h @@ -154,15 +154,15 @@ struct vbg_session { * host. Protected by vbg_gdev.session_mutex. */ u32 guest_caps; - /** Does this session belong to a root process or a user one? */ - bool user_session; + /** VMMDEV_REQUESTOR_* flags */ + u32 requestor; /** Set on CANCEL_ALL_WAITEVENTS, protected by vbg_devevent_spinlock. */ bool cancel_waiters; }; int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events); void vbg_core_exit(struct vbg_dev *gdev); -struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user); +struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, u32 requestor); void vbg_core_close_session(struct vbg_session *session); int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data); int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features); @@ -172,12 +172,13 @@ irqreturn_t vbg_core_isr(int irq, void *dev_id); void vbg_linux_mouse_event(struct vbg_dev *gdev); /* Private (non exported) functions form vboxguest_utils.c */ -void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type); +void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type, + u32 requestor); void vbg_req_free(void *req, size_t len); int vbg_req_perform(struct vbg_dev *gdev, void *req); int vbg_hgcm_call32( - struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, - struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count, - int *vbox_status); + struct vbg_dev *gdev, u32 requestor, u32 client_id, u32 function, + u32 timeout_ms, struct vmmdev_hgcm_function_parameter32 *parm32, + u32 parm_count, int *vbox_status); #endif diff --git a/drivers/virt/vboxguest/vboxguest_linux.c b/drivers/virt/vboxguest/vboxguest_linux.c index 6e2a9619192d..6e8c0f1c1056 100644 --- a/drivers/virt/vboxguest/vboxguest_linux.c +++ b/drivers/virt/vboxguest/vboxguest_linux.c @@ -5,6 +5,7 @@ * Copyright (C) 2006-2016 Oracle Corporation */ +#include <linux/cred.h> #include <linux/input.h> #include <linux/kernel.h> #include <linux/miscdevice.h> @@ -28,6 +29,23 @@ static DEFINE_MUTEX(vbg_gdev_mutex); /** Global vbg_gdev pointer used by vbg_get/put_gdev. */ static struct vbg_dev *vbg_gdev; +static u32 vbg_misc_device_requestor(struct inode *inode) +{ + u32 requestor = VMMDEV_REQUESTOR_USERMODE | + VMMDEV_REQUESTOR_CON_DONT_KNOW | + VMMDEV_REQUESTOR_TRUST_NOT_GIVEN; + + if (from_kuid(current_user_ns(), current->cred->uid) == 0) + requestor |= VMMDEV_REQUESTOR_USR_ROOT; + else + requestor |= VMMDEV_REQUESTOR_USR_USER; + + if (in_egroup_p(inode->i_gid)) + requestor |= VMMDEV_REQUESTOR_GRP_VBOX; + + return requestor; +} + static int vbg_misc_device_open(struct inode *inode, struct file *filp) { struct vbg_session *session; @@ -36,7 +54,7 @@ static int vbg_misc_device_open(struct inode *inode, struct file *filp) /* misc_open sets filp->private_data to our misc device */ gdev = container_of(filp->private_data, struct vbg_dev, misc_device); - session = vbg_core_open_session(gdev, false); + session = vbg_core_open_session(gdev, vbg_misc_device_requestor(inode)); if (IS_ERR(session)) return PTR_ERR(session); @@ -53,7 +71,8 @@ static int vbg_misc_device_user_open(struct inode *inode, struct file *filp) gdev = container_of(filp->private_data, struct vbg_dev, misc_device_user); - session = vbg_core_open_session(gdev, false); + session = vbg_core_open_session(gdev, vbg_misc_device_requestor(inode) | + VMMDEV_REQUESTOR_USER_DEVICE); if (IS_ERR(session)) return PTR_ERR(session); @@ -115,7 +134,8 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req, req == VBG_IOCTL_VMMDEV_REQUEST_BIG; if (is_vmmdev_req) - buf = vbg_req_alloc(size, VBG_IOCTL_HDR_TYPE_DEFAULT); + buf = vbg_req_alloc(size, VBG_IOCTL_HDR_TYPE_DEFAULT, + session->requestor); else buf = kmalloc(size, GFP_KERNEL); if (!buf) diff --git a/drivers/virt/vboxguest/vboxguest_utils.c b/drivers/virt/vboxguest/vboxguest_utils.c index bf4474214b4d..75fd140b02ff 100644 --- a/drivers/virt/vboxguest/vboxguest_utils.c +++ b/drivers/virt/vboxguest/vboxguest_utils.c @@ -62,7 +62,8 @@ VBG_LOG(vbg_err, pr_err); VBG_LOG(vbg_debug, pr_debug); #endif -void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) +void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type, + u32 requestor) { struct vmmdev_request_header *req; int order = get_order(PAGE_ALIGN(len)); @@ -78,7 +79,7 @@ void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) req->request_type = req_type; req->rc = VERR_GENERAL_FAILURE; req->reserved1 = 0; - req->reserved2 = 0; + req->requestor = requestor; return req; } @@ -119,7 +120,7 @@ static bool hgcm_req_done(struct vbg_dev *gdev, return done; } -int vbg_hgcm_connect(struct vbg_dev *gdev, +int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor, struct vmmdev_hgcm_service_location *loc, u32 *client_id, int *vbox_status) { @@ -127,7 +128,7 @@ int vbg_hgcm_connect(struct vbg_dev *gdev, int rc; hgcm_connect = vbg_req_alloc(sizeof(*hgcm_connect), - VMMDEVREQ_HGCM_CONNECT); + VMMDEVREQ_HGCM_CONNECT, requestor); if (!hgcm_connect) return -ENOMEM; @@ -153,13 +154,15 @@ int vbg_hgcm_connect(struct vbg_dev *gdev, } EXPORT_SYMBOL(vbg_hgcm_connect); -int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status) +int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor, + u32 client_id, int *vbox_status) { struct vmmdev_hgcm_disconnect *hgcm_disconnect = NULL; int rc; hgcm_disconnect = vbg_req_alloc(sizeof(*hgcm_disconnect), - VMMDEVREQ_HGCM_DISCONNECT); + VMMDEVREQ_HGCM_DISCONNECT, + requestor); if (!hgcm_disconnect) return -ENOMEM; @@ -593,9 +596,10 @@ static int hgcm_call_copy_back_result( return 0; } -int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, - u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms, - u32 parm_count, int *vbox_status) +int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id, + u32 function, u32 timeout_ms, + struct vmmdev_hgcm_function_parameter *parms, u32 parm_count, + int *vbox_status) { struct vmmdev_hgcm_call *call; void **bounce_bufs = NULL; @@ -615,7 +619,7 @@ int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, goto free_bounce_bufs; } - call = vbg_req_alloc(size, VMMDEVREQ_HGCM_CALL); + call = vbg_req_alloc(size, VMMDEVREQ_HGCM_CALL, requestor); if (!call) { ret = -ENOMEM; goto free_bounce_bufs; @@ -647,9 +651,9 @@ EXPORT_SYMBOL(vbg_hgcm_call); #ifdef CONFIG_COMPAT int vbg_hgcm_call32( - struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, - struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count, - int *vbox_status) + struct vbg_dev *gdev, u32 requestor, u32 client_id, u32 function, + u32 timeout_ms, struct vmmdev_hgcm_function_parameter32 *parm32, + u32 parm_count, int *vbox_status) { struct vmmdev_hgcm_function_parameter *parm64 = NULL; u32 i, size; @@ -689,7 +693,7 @@ int vbg_hgcm_call32( goto out_free; } - ret = vbg_hgcm_call(gdev, client_id, function, timeout_ms, + ret = vbg_hgcm_call(gdev, requestor, client_id, function, timeout_ms, parm64, parm_count, vbox_status); if (ret < 0) goto out_free; diff --git a/drivers/virt/vboxguest/vboxguest_version.h b/drivers/virt/vboxguest/vboxguest_version.h index 77f0c8f8a231..84834dad38d5 100644 --- a/drivers/virt/vboxguest/vboxguest_version.h +++ b/drivers/virt/vboxguest/vboxguest_version.h @@ -9,11 +9,10 @@ #ifndef __VBOX_VERSION_H__ #define __VBOX_VERSION_H__ -/* Last synced October 4th 2017 */ -#define VBG_VERSION_MAJOR 5 -#define VBG_VERSION_MINOR 2 +#define VBG_VERSION_MAJOR 6 +#define VBG_VERSION_MINOR 0 #define VBG_VERSION_BUILD 0 -#define VBG_SVN_REV 68940 -#define VBG_VERSION_STRING "5.2.0" +#define VBG_SVN_REV 127566 +#define VBG_VERSION_STRING "6.0.0" #endif diff --git a/drivers/virt/vboxguest/vmmdev.h b/drivers/virt/vboxguest/vmmdev.h index 5e2ae978935d..6337b8d75d96 100644 --- a/drivers/virt/vboxguest/vmmdev.h +++ b/drivers/virt/vboxguest/vmmdev.h @@ -98,8 +98,8 @@ struct vmmdev_request_header { s32 rc; /** Reserved field no.1. MBZ. */ u32 reserved1; - /** Reserved field no.2. MBZ. */ - u32 reserved2; + /** IN: Requestor information (VMMDEV_REQUESTOR_*) */ + u32 requestor; }; VMMDEV_ASSERT_SIZE(vmmdev_request_header, 24); @@ -247,6 +247,8 @@ struct vmmdev_guest_info { }; VMMDEV_ASSERT_SIZE(vmmdev_guest_info, 24 + 8); +#define VMMDEV_GUEST_INFO2_ADDITIONS_FEATURES_REQUESTOR_INFO BIT(0) + /** struct vmmdev_guestinfo2 - Guest information report, version 2. */ struct vmmdev_guest_info2 { /** Header. */ @@ -259,7 +261,7 @@ struct vmmdev_guest_info2 { u32 additions_build; /** SVN revision. */ u32 additions_revision; - /** Feature mask, currently unused. */ + /** Feature mask. */ u32 additions_features; /** * The intentional meaning of this field was: diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index e3346628efe2..2d61ddda9bf5 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -524,6 +524,7 @@ static void ceph_i_callback(struct rcu_head *head) struct inode *inode = container_of(head, struct inode, i_rcu); struct ceph_inode_info *ci = ceph_inode(inode); + kfree(ci->i_symlink); kmem_cache_free(ceph_inode_cachep, ci); } @@ -566,7 +567,6 @@ void ceph_destroy_inode(struct inode *inode) } } - kfree(ci->i_symlink); while ((n = rb_first(&ci->i_fragtree)) != NULL) { frag = rb_entry(n, struct ceph_inode_frag, node); rb_erase(n, &ci->i_fragtree); diff --git a/fs/fs_parser.c b/fs/fs_parser.c index 842e8f749db6..570d71043acf 100644 --- a/fs/fs_parser.c +++ b/fs/fs_parser.c @@ -410,7 +410,7 @@ bool fs_validate_description(const struct fs_parameter_description *desc) for (param = desc->specs; param->name; param++) { if (param->opt == e->opt && param->type != fs_param_is_enum) { - pr_err("VALIDATE %s: e[%lu] enum val for %s\n", + pr_err("VALIDATE %s: e[%tu] enum val for %s\n", name, e - desc->enums, param->name); good = false; } diff --git a/fs/io_uring.c b/fs/io_uring.c index 6aaa30580a2b..bbdbd56cf2ac 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1022,6 +1022,8 @@ static int io_write(struct io_kiocb *req, const struct sqe_submit *s, ret = rw_verify_area(WRITE, file, &kiocb->ki_pos, iov_count); if (!ret) { + ssize_t ret2; + /* * Open-code file_start_write here to grab freeze protection, * which will be released by another thread in @@ -1036,7 +1038,19 @@ static int io_write(struct io_kiocb *req, const struct sqe_submit *s, SB_FREEZE_WRITE); } kiocb->ki_flags |= IOCB_WRITE; - io_rw_done(kiocb, call_write_iter(file, kiocb, &iter)); + + ret2 = call_write_iter(file, kiocb, &iter); + if (!force_nonblock || ret2 != -EAGAIN) { + io_rw_done(kiocb, ret2); + } else { + /* + * If ->needs_lock is true, we're already in async + * context. + */ + if (!s->needs_lock) + io_async_list_note(WRITE, req, iov_count); + ret = -EAGAIN; + } } out_free: kfree(iovec); @@ -1968,7 +1982,15 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events, return 0; if (sig) { - ret = set_user_sigmask(sig, &ksigmask, &sigsaved, sigsz); +#ifdef CONFIG_COMPAT + if (in_compat_syscall()) + ret = set_compat_user_sigmask((const compat_sigset_t __user *)sig, + &ksigmask, &sigsaved, sigsz); + else +#endif + ret = set_user_sigmask(sig, &ksigmask, + &sigsaved, sigsz); + if (ret) return ret; } diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index a35259eebc56..1dc9a08e8bdc 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -4719,22 +4719,23 @@ out: /* Lock an inode and grab a bh pointing to the inode. */ int ocfs2_reflink_inodes_lock(struct inode *s_inode, - struct buffer_head **bh1, + struct buffer_head **bh_s, struct inode *t_inode, - struct buffer_head **bh2) + struct buffer_head **bh_t) { - struct inode *inode1; - struct inode *inode2; + struct inode *inode1 = s_inode; + struct inode *inode2 = t_inode; struct ocfs2_inode_info *oi1; struct ocfs2_inode_info *oi2; + struct buffer_head *bh1 = NULL; + struct buffer_head *bh2 = NULL; bool same_inode = (s_inode == t_inode); + bool need_swap = (inode1->i_ino > inode2->i_ino); int status; /* First grab the VFS and rw locks. */ lock_two_nondirectories(s_inode, t_inode); - inode1 = s_inode; - inode2 = t_inode; - if (inode1->i_ino > inode2->i_ino) + if (need_swap) swap(inode1, inode2); status = ocfs2_rw_lock(inode1, 1); @@ -4757,17 +4758,13 @@ int ocfs2_reflink_inodes_lock(struct inode *s_inode, trace_ocfs2_double_lock((unsigned long long)oi1->ip_blkno, (unsigned long long)oi2->ip_blkno); - if (*bh1) - *bh1 = NULL; - if (*bh2) - *bh2 = NULL; - /* We always want to lock the one with the lower lockid first. */ if (oi1->ip_blkno > oi2->ip_blkno) mlog_errno(-ENOLCK); /* lock id1 */ - status = ocfs2_inode_lock_nested(inode1, bh1, 1, OI_LS_REFLINK_TARGET); + status = ocfs2_inode_lock_nested(inode1, &bh1, 1, + OI_LS_REFLINK_TARGET); if (status < 0) { if (status != -ENOENT) mlog_errno(status); @@ -4776,15 +4773,25 @@ int ocfs2_reflink_inodes_lock(struct inode *s_inode, /* lock id2 */ if (!same_inode) { - status = ocfs2_inode_lock_nested(inode2, bh2, 1, + status = ocfs2_inode_lock_nested(inode2, &bh2, 1, OI_LS_REFLINK_TARGET); if (status < 0) { if (status != -ENOENT) mlog_errno(status); goto out_cl1; } - } else - *bh2 = *bh1; + } else { + bh2 = bh1; + } + + /* + * If we swapped inode order above, we have to swap the buffer heads + * before passing them back to the caller. + */ + if (need_swap) + swap(bh1, bh2); + *bh_s = bh1; + *bh_t = bh2; trace_ocfs2_double_lock_end( (unsigned long long)oi1->ip_blkno, @@ -4794,8 +4801,7 @@ int ocfs2_reflink_inodes_lock(struct inode *s_inode, out_cl1: ocfs2_inode_unlock(inode1, 1); - brelse(*bh1); - *bh1 = NULL; + brelse(bh1); out_rw2: ocfs2_rw_unlock(inode2, 1); out_i2: diff --git a/fs/open.c b/fs/open.c index 0285ce7dbd51..f1c2f855fd43 100644 --- a/fs/open.c +++ b/fs/open.c @@ -733,6 +733,12 @@ static int do_dentry_open(struct file *f, return 0; } + /* Any file opened for execve()/uselib() has to be a regular file. */ + if (unlikely(f->f_flags & FMODE_EXEC && !S_ISREG(inode->i_mode))) { + error = -EACCES; + goto cleanup_file; + } + if (f->f_mode & FMODE_WRITE && !special_file(inode->i_mode)) { error = get_write_access(inode); if (unlikely(error)) diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index d29d869abec1..f5834488b67d 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -615,7 +615,7 @@ static void __init proc_kcore_text_init(void) /* * MODULES_VADDR has no intersection with VMALLOC_ADDR. */ -struct kcore_list kcore_modules; +static struct kcore_list kcore_modules; static void __init add_modules_range(void) { if (MODULES_VADDR != VMALLOC_START && MODULES_END != VMALLOC_END) { diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 4d598a399bbf..d65390727541 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -1626,7 +1626,8 @@ static void drop_sysctl_table(struct ctl_table_header *header) if (--header->nreg) return; - put_links(header); + if (parent) + put_links(header); start_unregistering(header); if (!--header->count) kfree_rcu(header, rcu); diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 48502cb9990f..4637ae1ae91c 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1191,7 +1191,10 @@ xfs_iread_extents( * Root level must use BMAP_BROOT_PTR_ADDR macro to get ptr out. */ level = be16_to_cpu(block->bb_level); - ASSERT(level > 0); + if (unlikely(level == 0)) { + XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp); + return -EFSCORRUPTED; + } pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes); bno = be64_to_cpu(*pp); @@ -4249,9 +4252,13 @@ xfs_bmapi_write( struct xfs_bmbt_irec *mval, /* output: map values */ int *nmap) /* i/o: mval size/count */ { + struct xfs_bmalloca bma = { + .tp = tp, + .ip = ip, + .total = total, + }; struct xfs_mount *mp = ip->i_mount; struct xfs_ifork *ifp; - struct xfs_bmalloca bma = { NULL }; /* args for xfs_bmap_alloc */ xfs_fileoff_t end; /* end of mapped file region */ bool eof = false; /* after the end of extents */ int error; /* error return */ @@ -4319,10 +4326,6 @@ xfs_bmapi_write( eof = true; if (!xfs_iext_peek_prev_extent(ifp, &bma.icur, &bma.prev)) bma.prev.br_startoff = NULLFILEOFF; - bma.tp = tp; - bma.ip = ip; - bma.total = total; - bma.datatype = 0; bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork); n = 0; diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c index 6f94d1f7322d..117910db51b8 100644 --- a/fs/xfs/scrub/btree.c +++ b/fs/xfs/scrub/btree.c @@ -415,8 +415,17 @@ xchk_btree_check_owner( struct xfs_btree_cur *cur = bs->cur; struct check_owner *co; - if ((cur->bc_flags & XFS_BTREE_ROOT_IN_INODE) && bp == NULL) + /* + * In theory, xfs_btree_get_block should only give us a null buffer + * pointer for the root of a root-in-inode btree type, but we need + * to check defensively here in case the cursor state is also screwed + * up. + */ + if (bp == NULL) { + if (!(cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)) + xchk_btree_set_corrupt(bs->sc, bs->cur, level); return 0; + } /* * We want to cross-reference each btree block with the bnobt diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c index f1260b4bfdee..90527b094878 100644 --- a/fs/xfs/scrub/dabtree.c +++ b/fs/xfs/scrub/dabtree.c @@ -574,6 +574,11 @@ xchk_da_btree( /* Drill another level deeper. */ blkno = be32_to_cpu(key->before); level++; + if (level >= XFS_DA_NODE_MAXDEPTH) { + /* Too deep! */ + xchk_da_set_corrupt(&ds, level - 1); + break; + } ds.tree_level--; error = xchk_da_btree_block(&ds, level, blkno); if (error) diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index 93f07edafd81..9ee2a7d02e70 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -161,6 +161,14 @@ xfs_ioc_trim( return -EPERM; if (!blk_queue_discard(q)) return -EOPNOTSUPP; + + /* + * We haven't recovered the log, so we cannot use our bnobt-guided + * storage zapping commands. + */ + if (mp->m_flags & XFS_MOUNT_NORECOVERY) + return -EROFS; + if (copy_from_user(&range, urange, sizeof(range))) return -EFAULT; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 1f2e2845eb76..a7ceae90110e 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -529,18 +529,17 @@ xfs_file_dio_aio_write( count = iov_iter_count(from); /* - * If we are doing unaligned IO, wait for all other IO to drain, - * otherwise demote the lock if we had to take the exclusive lock - * for other reasons in xfs_file_aio_write_checks. + * If we are doing unaligned IO, we can't allow any other overlapping IO + * in-flight at the same time or we risk data corruption. Wait for all + * other IO to drain before we submit. If the IO is aligned, demote the + * iolock if we had to take the exclusive lock in + * xfs_file_aio_write_checks() for other reasons. */ if (unaligned_io) { - /* If we are going to wait for other DIO to finish, bail */ - if (iocb->ki_flags & IOCB_NOWAIT) { - if (atomic_read(&inode->i_dio_count)) - return -EAGAIN; - } else { - inode_dio_wait(inode); - } + /* unaligned dio always waits, bail */ + if (iocb->ki_flags & IOCB_NOWAIT) + return -EAGAIN; + inode_dio_wait(inode); } else if (iolock == XFS_IOLOCK_EXCL) { xfs_ilock_demote(ip, XFS_IOLOCK_EXCL); iolock = XFS_IOLOCK_SHARED; @@ -548,6 +547,14 @@ xfs_file_dio_aio_write( trace_xfs_file_direct_write(ip, count, iocb->ki_pos); ret = iomap_dio_rw(iocb, from, &xfs_iomap_ops, xfs_dio_write_end_io); + + /* + * If unaligned, this is the only IO in-flight. If it has not yet + * completed, wait on it before we release the iolock to prevent + * subsequent overlapping IO. + */ + if (ret == -EIOCBQUEUED && unaligned_io) + inode_dio_wait(inode); out: xfs_iunlock(ip, iolock); diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h index 30b1ae53689f..c50542dc71e0 100644 --- a/include/acpi/acoutput.h +++ b/include/acpi/acoutput.h @@ -150,7 +150,10 @@ /* Defaults for debug_level, debug and normal */ +#ifndef ACPI_DEBUG_DEFAULT #define ACPI_DEBUG_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_EVALUATION | ACPI_LV_REPAIR) +#endif + #define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR) #define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL) diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 9ff328fd946a..624b90b34085 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -82,6 +82,11 @@ #define ACPI_NO_ERROR_MESSAGES #undef ACPI_DEBUG_OUTPUT +/* Use a specific bugging default separate from ACPICA */ + +#undef ACPI_DEBUG_DEFAULT +#define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO | ACPI_LV_REPAIR) + /* External interface for __KERNEL__, stub is needed */ #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \ diff --git a/include/linux/device.h b/include/linux/device.h index b425a7ee04ce..4e6987e11f68 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -49,8 +49,6 @@ struct bus_attribute { ssize_t (*store)(struct bus_type *bus, const char *buf, size_t count); }; -#define BUS_ATTR(_name, _mode, _show, _store) \ - struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store) #define BUS_ATTR_RW(_name) \ struct bus_attribute bus_attr_##_name = __ATTR_RW(_name) #define BUS_ATTR_RO(_name) \ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index ea35263eb76b..11943b60f208 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -203,7 +203,6 @@ static inline void hugetlb_show_meminfo(void) #define pud_huge(x) 0 #define is_hugepage_only_range(mm, addr, len) 0 #define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; }) -#define hugetlb_fault(mm, vma, addr, flags) ({ BUG(); 0; }) #define hugetlb_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma, dst_addr, \ src_addr, pagep) ({ BUG(); 0; }) #define huge_pte_offset(mm, address, sz) 0 @@ -234,6 +233,13 @@ static inline void __unmap_hugepage_range(struct mmu_gather *tlb, { BUG(); } +static inline vm_fault_t hugetlb_fault(struct mm_struct *mm, + struct vm_area_struct *vma, unsigned long address, + unsigned int flags) +{ + BUG(); + return 0; +} #endif /* !CONFIG_HUGETLB_PAGE */ /* diff --git a/include/linux/kcore.h b/include/linux/kcore.h index c843f4a9c512..da676cdbd727 100644 --- a/include/linux/kcore.h +++ b/include/linux/kcore.h @@ -38,12 +38,6 @@ struct vmcoredd_node { #ifdef CONFIG_PROC_KCORE void __init kclist_add(struct kcore_list *, void *, size_t, int type); -static inline -void kclist_add_remap(struct kcore_list *m, void *addr, void *vaddr, size_t sz) -{ - m->vaddr = (unsigned long)vaddr; - kclist_add(m, addr, sz, KCORE_REMAP); -} extern int __init register_mem_pfn_is_ram(int (*fn)(unsigned long pfn)); #else @@ -51,11 +45,6 @@ static inline void kclist_add(struct kcore_list *new, void *addr, size_t size, int type) { } - -static inline -void kclist_add_remap(struct kcore_list *m, void *addr, void *vaddr, size_t sz) -{ -} #endif #endif /* _LINUX_KCORE_H */ diff --git a/include/linux/list.h b/include/linux/list.h index 79626b5ab36c..58aa3adf94e6 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -207,7 +207,7 @@ static inline void list_bulk_move_tail(struct list_head *head, } /** - * list_is_first -- tests whether @ list is the first entry in list @head + * list_is_first -- tests whether @list is the first entry in list @head * @list: the entry to test * @head: the head of the list */ diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h index 4eb26d278046..280ae96dc4c3 100644 --- a/include/linux/page-isolation.h +++ b/include/linux/page-isolation.h @@ -41,16 +41,6 @@ int move_freepages_block(struct zone *zone, struct page *page, /* * Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE. - * If specified range includes migrate types other than MOVABLE or CMA, - * this will fail with -EBUSY. - * - * For isolating all pages in the range finally, the caller have to - * free all pages in the range. test_page_isolated() can be used for - * test it. - * - * The following flags are allowed (they can be combined in a bit mask) - * SKIP_HWPOISON - ignore hwpoison pages - * REPORT_FAILURE - report details about the failure to isolate the range */ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, diff --git a/include/linux/platform_data/gpio/gpio-amd-fch.h b/include/linux/platform_data/gpio/gpio-amd-fch.h index a867637e172d..9e46678edb2a 100644 --- a/include/linux/platform_data/gpio/gpio-amd-fch.h +++ b/include/linux/platform_data/gpio/gpio-amd-fch.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL+ */ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * AMD FCH gpio driver platform-data diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index ae5655197698..e412c092c1e8 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -418,10 +418,20 @@ static inline void set_restore_sigmask(void) set_thread_flag(TIF_RESTORE_SIGMASK); WARN_ON(!test_thread_flag(TIF_SIGPENDING)); } + +static inline void clear_tsk_restore_sigmask(struct task_struct *tsk) +{ + clear_tsk_thread_flag(tsk, TIF_RESTORE_SIGMASK); +} + static inline void clear_restore_sigmask(void) { clear_thread_flag(TIF_RESTORE_SIGMASK); } +static inline bool test_tsk_restore_sigmask(struct task_struct *tsk) +{ + return test_tsk_thread_flag(tsk, TIF_RESTORE_SIGMASK); +} static inline bool test_restore_sigmask(void) { return test_thread_flag(TIF_RESTORE_SIGMASK); @@ -439,6 +449,10 @@ static inline void set_restore_sigmask(void) current->restore_sigmask = true; WARN_ON(!test_thread_flag(TIF_SIGPENDING)); } +static inline void clear_tsk_restore_sigmask(struct task_struct *tsk) +{ + tsk->restore_sigmask = false; +} static inline void clear_restore_sigmask(void) { current->restore_sigmask = false; @@ -447,6 +461,10 @@ static inline bool test_restore_sigmask(void) { return current->restore_sigmask; } +static inline bool test_tsk_restore_sigmask(struct task_struct *tsk) +{ + return tsk->restore_sigmask; +} static inline bool test_and_clear_restore_sigmask(void) { if (!current->restore_sigmask) diff --git a/include/linux/slab.h b/include/linux/slab.h index 11b45f7ae405..9449b19c5f10 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -32,6 +32,8 @@ #define SLAB_HWCACHE_ALIGN ((slab_flags_t __force)0x00002000U) /* Use GFP_DMA memory */ #define SLAB_CACHE_DMA ((slab_flags_t __force)0x00004000U) +/* Use GFP_DMA32 memory */ +#define SLAB_CACHE_DMA32 ((slab_flags_t __force)0x00008000U) /* DEBUG: Store the last owner for bug hunting */ #define SLAB_STORE_USER ((slab_flags_t __force)0x00010000U) /* Panic if kmem_cache_create() fails */ diff --git a/include/linux/vbox_utils.h b/include/linux/vbox_utils.h index a240ed2a0372..ff56c443180c 100644 --- a/include/linux/vbox_utils.h +++ b/include/linux/vbox_utils.h @@ -24,15 +24,17 @@ __printf(1, 2) void vbg_debug(const char *fmt, ...); #define vbg_debug pr_debug #endif -int vbg_hgcm_connect(struct vbg_dev *gdev, +int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor, struct vmmdev_hgcm_service_location *loc, u32 *client_id, int *vbox_status); -int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status); +int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor, + u32 client_id, int *vbox_status); -int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, - u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms, - u32 parm_count, int *vbox_status); +int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id, + u32 function, u32 timeout_ms, + struct vmmdev_hgcm_function_parameter *parms, u32 parm_count, + int *vbox_status); /** * Convert a VirtualBox status code to a standard Linux kernel return value. diff --git a/include/uapi/linux/vbox_vmmdev_types.h b/include/uapi/linux/vbox_vmmdev_types.h index 0e68024f36c7..26f39816af14 100644 --- a/include/uapi/linux/vbox_vmmdev_types.h +++ b/include/uapi/linux/vbox_vmmdev_types.h @@ -102,6 +102,66 @@ enum vmmdev_request_type { #define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL32 #endif +/* vmmdev_request_header.requestor defines */ + +/* Requestor user not given. */ +#define VMMDEV_REQUESTOR_USR_NOT_GIVEN 0x00000000 +/* The kernel driver (vboxguest) is the requestor. */ +#define VMMDEV_REQUESTOR_USR_DRV 0x00000001 +/* Some other kernel driver is the requestor. */ +#define VMMDEV_REQUESTOR_USR_DRV_OTHER 0x00000002 +/* The root or a admin user is the requestor. */ +#define VMMDEV_REQUESTOR_USR_ROOT 0x00000003 +/* Regular joe user is making the request. */ +#define VMMDEV_REQUESTOR_USR_USER 0x00000006 +/* User classification mask. */ +#define VMMDEV_REQUESTOR_USR_MASK 0x00000007 + +/* Kernel mode request. Note this is 0, check for !USERMODE instead. */ +#define VMMDEV_REQUESTOR_KERNEL 0x00000000 +/* User mode request. */ +#define VMMDEV_REQUESTOR_USERMODE 0x00000008 +/* User or kernel mode classification mask. */ +#define VMMDEV_REQUESTOR_MODE_MASK 0x00000008 + +/* Don't know the physical console association of the requestor. */ +#define VMMDEV_REQUESTOR_CON_DONT_KNOW 0x00000000 +/* + * The request originates with a process that is NOT associated with the + * physical console. + */ +#define VMMDEV_REQUESTOR_CON_NO 0x00000010 +/* Requestor process is associated with the physical console. */ +#define VMMDEV_REQUESTOR_CON_YES 0x00000020 +/* Console classification mask. */ +#define VMMDEV_REQUESTOR_CON_MASK 0x00000030 + +/* Requestor is member of special VirtualBox user group. */ +#define VMMDEV_REQUESTOR_GRP_VBOX 0x00000080 + +/* Note: trust level is for windows guests only, linux always uses not-given */ +/* Requestor trust level: Unspecified */ +#define VMMDEV_REQUESTOR_TRUST_NOT_GIVEN 0x00000000 +/* Requestor trust level: Untrusted (SID S-1-16-0) */ +#define VMMDEV_REQUESTOR_TRUST_UNTRUSTED 0x00001000 +/* Requestor trust level: Untrusted (SID S-1-16-4096) */ +#define VMMDEV_REQUESTOR_TRUST_LOW 0x00002000 +/* Requestor trust level: Medium (SID S-1-16-8192) */ +#define VMMDEV_REQUESTOR_TRUST_MEDIUM 0x00003000 +/* Requestor trust level: Medium plus (SID S-1-16-8448) */ +#define VMMDEV_REQUESTOR_TRUST_MEDIUM_PLUS 0x00004000 +/* Requestor trust level: High (SID S-1-16-12288) */ +#define VMMDEV_REQUESTOR_TRUST_HIGH 0x00005000 +/* Requestor trust level: System (SID S-1-16-16384) */ +#define VMMDEV_REQUESTOR_TRUST_SYSTEM 0x00006000 +/* Requestor trust level >= Protected (SID S-1-16-20480, S-1-16-28672) */ +#define VMMDEV_REQUESTOR_TRUST_PROTECTED 0x00007000 +/* Requestor trust level mask */ +#define VMMDEV_REQUESTOR_TRUST_MASK 0x00007000 + +/* Requestor is using the less trusted user device node (/dev/vboxuser) */ +#define VMMDEV_REQUESTOR_USER_DEVICE 0x00008000 + /** HGCM service location types. */ enum vmmdev_hgcm_service_location_type { VMMDEV_HGCM_LOC_INVALID = 0, diff --git a/kernel/cpu.c b/kernel/cpu.c index 025f419d16f6..6754f3ecfd94 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -564,6 +564,20 @@ static void undo_cpu_up(unsigned int cpu, struct cpuhp_cpu_state *st) cpuhp_invoke_callback(cpu, st->state, false, NULL, NULL); } +static inline bool can_rollback_cpu(struct cpuhp_cpu_state *st) +{ + if (IS_ENABLED(CONFIG_HOTPLUG_CPU)) + return true; + /* + * When CPU hotplug is disabled, then taking the CPU down is not + * possible because takedown_cpu() and the architecture and + * subsystem specific mechanisms are not available. So the CPU + * which would be completely unplugged again needs to stay around + * in the current state. + */ + return st->state <= CPUHP_BRINGUP_CPU; +} + static int cpuhp_up_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st, enum cpuhp_state target) { @@ -574,8 +588,10 @@ static int cpuhp_up_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st, st->state++; ret = cpuhp_invoke_callback(cpu, st->state, true, NULL, NULL); if (ret) { - st->target = prev_state; - undo_cpu_up(cpu, st); + if (can_rollback_cpu(st)) { + st->target = prev_state; + undo_cpu_up(cpu, st); + } break; } } diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 771e93f9c43f..6f357f4fc859 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -29,6 +29,7 @@ #include <linux/hw_breakpoint.h> #include <linux/cn_proc.h> #include <linux/compat.h> +#include <linux/sched/signal.h> /* * Access another process' address space via ptrace. @@ -924,18 +925,26 @@ int ptrace_request(struct task_struct *child, long request, ret = ptrace_setsiginfo(child, &siginfo); break; - case PTRACE_GETSIGMASK: + case PTRACE_GETSIGMASK: { + sigset_t *mask; + if (addr != sizeof(sigset_t)) { ret = -EINVAL; break; } - if (copy_to_user(datavp, &child->blocked, sizeof(sigset_t))) + if (test_tsk_restore_sigmask(child)) + mask = &child->saved_sigmask; + else + mask = &child->blocked; + + if (copy_to_user(datavp, mask, sizeof(sigset_t))) ret = -EFAULT; else ret = 0; break; + } case PTRACE_SETSIGMASK: { sigset_t new_set; @@ -961,6 +970,8 @@ int ptrace_request(struct task_struct *child, long request, child->blocked = new_set; spin_unlock_irq(&child->sighand->siglock); + clear_tsk_restore_sigmask(child); + ret = 0; break; } diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 403c9bd90413..6a5787233113 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -554,13 +554,15 @@ static void softlockup_start_all(void) int lockup_detector_online_cpu(unsigned int cpu) { - watchdog_enable(cpu); + if (cpumask_test_cpu(cpu, &watchdog_allowed_mask)) + watchdog_enable(cpu); return 0; } int lockup_detector_offline_cpu(unsigned int cpu) { - watchdog_disable(cpu); + if (cpumask_test_cpu(cpu, &watchdog_allowed_mask)) + watchdog_disable(cpu); return 0; } diff --git a/lib/sbitmap.c b/lib/sbitmap.c index 5b382c1244ed..155fe38756ec 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -591,6 +591,17 @@ EXPORT_SYMBOL_GPL(sbitmap_queue_wake_up); void sbitmap_queue_clear(struct sbitmap_queue *sbq, unsigned int nr, unsigned int cpu) { + /* + * Once the clear bit is set, the bit may be allocated out. + * + * Orders READ/WRITE on the asssociated instance(such as request + * of blk_mq) by this bit for avoiding race with re-allocation, + * and its pair is the memory barrier implied in __sbitmap_get_word. + * + * One invariant is that the clear bit has to be zero when the bit + * is in use. + */ + smp_mb__before_atomic(); sbitmap_deferred_clear_bit(&sbq->sb, nr); /* diff --git a/mm/debug.c b/mm/debug.c index c0b31b6c3877..eee9c221280c 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -79,7 +79,7 @@ void __dump_page(struct page *page, const char *reason) pr_warn("ksm "); else if (mapping) { pr_warn("%ps ", mapping->a_ops); - if (mapping->host->i_dentry.first) { + if (mapping->host && mapping->host->i_dentry.first) { struct dentry *dentry; dentry = container_of(mapping->host->i_dentry.first, struct dentry, d_u.d_alias); pr_warn("name:\"%pd\" ", dentry); @@ -168,7 +168,7 @@ void dump_mm(const struct mm_struct *mm) mm_pgtables_bytes(mm), mm->map_count, mm->hiwater_rss, mm->hiwater_vm, mm->total_vm, mm->locked_vm, - atomic64_read(&mm->pinned_vm), + (u64)atomic64_read(&mm->pinned_vm), mm->data_vm, mm->exec_vm, mm->stack_vm, mm->start_code, mm->end_code, mm->start_data, mm->end_data, mm->start_brk, mm->brk, mm->start_stack, diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 3e0c11f7d7a1..3ce956efa0cb 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -163,7 +163,10 @@ static inline u8 random_tag(void) #endif #ifndef arch_kasan_set_tag -#define arch_kasan_set_tag(addr, tag) ((void *)(addr)) +static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) +{ + return addr; +} #endif #ifndef arch_kasan_reset_tag #define arch_kasan_reset_tag(addr) ((void *)(addr)) diff --git a/mm/memory.c b/mm/memory.c index 47fe250307c7..ab650c21bccd 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1549,10 +1549,12 @@ static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr, WARN_ON_ONCE(!is_zero_pfn(pte_pfn(*pte))); goto out_unlock; } - entry = *pte; - goto out_mkwrite; - } else - goto out_unlock; + entry = pte_mkyoung(*pte); + entry = maybe_mkwrite(pte_mkdirty(entry), vma); + if (ptep_set_access_flags(vma, addr, pte, entry, 1)) + update_mmu_cache(vma, addr, pte); + } + goto out_unlock; } /* Ok, finally just insert the thing.. */ @@ -1561,7 +1563,6 @@ static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr, else entry = pte_mkspecial(pfn_t_pte(pfn, prot)); -out_mkwrite: if (mkwrite) { entry = pte_mkyoung(entry); entry = maybe_mkwrite(pte_mkdirty(entry), vma); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index f767582af4f8..0082d699be94 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1576,7 +1576,7 @@ static int __ref __offline_pages(unsigned long start_pfn, { unsigned long pfn, nr_pages; long offlined_pages; - int ret, node; + int ret, node, nr_isolate_pageblock; unsigned long flags; unsigned long valid_start, valid_end; struct zone *zone; @@ -1602,10 +1602,11 @@ static int __ref __offline_pages(unsigned long start_pfn, ret = start_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE, SKIP_HWPOISON | REPORT_FAILURE); - if (ret) { + if (ret < 0) { reason = "failure to isolate range"; goto failed_removal; } + nr_isolate_pageblock = ret; arg.start_pfn = start_pfn; arg.nr_pages = nr_pages; @@ -1657,8 +1658,16 @@ static int __ref __offline_pages(unsigned long start_pfn, /* Ok, all of our target is isolated. We cannot do rollback at this point. */ offline_isolated_pages(start_pfn, end_pfn); - /* reset pagetype flags and makes migrate type to be MOVABLE */ - undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE); + + /* + * Onlining will reset pagetype flags and makes migrate type + * MOVABLE, so just need to decrease the number of isolated + * pageblocks zone counter here. + */ + spin_lock_irqsave(&zone->lock, flags); + zone->nr_isolate_pageblock -= nr_isolate_pageblock; + spin_unlock_irqrestore(&zone->lock, flags); + /* removal success */ adjust_managed_page_count(pfn_to_page(start_pfn), -offlined_pages); zone->present_pages -= offlined_pages; @@ -1690,12 +1699,12 @@ static int __ref __offline_pages(unsigned long start_pfn, failed_removal_isolated: undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE); + memory_notify(MEM_CANCEL_OFFLINE, &arg); failed_removal: pr_debug("memory offlining [mem %#010llx-%#010llx] failed due to %s\n", (unsigned long long) start_pfn << PAGE_SHIFT, ((unsigned long long) end_pfn << PAGE_SHIFT) - 1, reason); - memory_notify(MEM_CANCEL_OFFLINE, &arg); /* pushback to free area */ mem_hotplug_done(); return ret; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index af171ccb56a2..2219e747df49 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -428,6 +428,13 @@ static inline bool queue_pages_required(struct page *page, return node_isset(nid, *qp->nmask) == !(flags & MPOL_MF_INVERT); } +/* + * queue_pages_pmd() has three possible return values: + * 1 - pages are placed on the right node or queued successfully. + * 0 - THP was split. + * -EIO - is migration entry or MPOL_MF_STRICT was specified and an existing + * page was already on a node that does not follow the policy. + */ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr, unsigned long end, struct mm_walk *walk) { @@ -437,7 +444,7 @@ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr, unsigned long flags; if (unlikely(is_pmd_migration_entry(*pmd))) { - ret = 1; + ret = -EIO; goto unlock; } page = pmd_page(*pmd); @@ -454,8 +461,15 @@ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr, ret = 1; flags = qp->flags; /* go to thp migration */ - if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) + if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) { + if (!vma_migratable(walk->vma)) { + ret = -EIO; + goto unlock; + } + migrate_page_add(page, qp->pagelist, flags); + } else + ret = -EIO; unlock: spin_unlock(ptl); out: @@ -480,8 +494,10 @@ static int queue_pages_pte_range(pmd_t *pmd, unsigned long addr, ptl = pmd_trans_huge_lock(pmd, vma); if (ptl) { ret = queue_pages_pmd(pmd, ptl, addr, end, walk); - if (ret) + if (ret > 0) return 0; + else if (ret < 0) + return ret; } if (pmd_trans_unstable(pmd)) @@ -502,11 +518,16 @@ static int queue_pages_pte_range(pmd_t *pmd, unsigned long addr, continue; if (!queue_pages_required(page, qp)) continue; - migrate_page_add(page, qp->pagelist, flags); + if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) { + if (!vma_migratable(vma)) + break; + migrate_page_add(page, qp->pagelist, flags); + } else + break; } pte_unmap_unlock(pte - 1, ptl); cond_resched(); - return 0; + return addr != end ? -EIO : 0; } static int queue_pages_hugetlb(pte_t *pte, unsigned long hmask, @@ -576,7 +597,12 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end, unsigned long endvma = vma->vm_end; unsigned long flags = qp->flags; - if (!vma_migratable(vma)) + /* + * Need check MPOL_MF_STRICT to return -EIO if possible + * regardless of vma_migratable + */ + if (!vma_migratable(vma) && + !(flags & MPOL_MF_STRICT)) return 1; if (endvma > end) @@ -603,7 +629,7 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end, } /* queue pages from current vma */ - if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) + if (flags & MPOL_MF_VALID) return 0; return 1; } diff --git a/mm/migrate.c b/mm/migrate.c index ac6f4939bb59..663a5449367a 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -248,10 +248,8 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma, pte = swp_entry_to_pte(entry); } else if (is_device_public_page(new)) { pte = pte_mkdevmap(pte); - flush_dcache_page(new); } - } else - flush_dcache_page(new); + } #ifdef CONFIG_HUGETLB_PAGE if (PageHuge(new)) { @@ -995,6 +993,13 @@ static int move_to_new_page(struct page *newpage, struct page *page, */ if (!PageMappingFlags(page)) page->mapping = NULL; + + if (unlikely(is_zone_device_page(newpage))) { + if (is_device_public_page(newpage)) + flush_dcache_page(newpage); + } else + flush_dcache_page(newpage); + } out: return rc; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 03fcf73d47da..d96ca5bc555b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8233,7 +8233,7 @@ int alloc_contig_range(unsigned long start, unsigned long end, ret = start_isolate_page_range(pfn_max_align_down(start), pfn_max_align_up(end), migratetype, 0); - if (ret) + if (ret < 0) return ret; /* diff --git a/mm/page_isolation.c b/mm/page_isolation.c index ce323e56b34d..019280712e1b 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -59,7 +59,8 @@ static int set_migratetype_isolate(struct page *page, int migratetype, int isol_ * FIXME: Now, memory hotplug doesn't call shrink_slab() by itself. * We just check MOVABLE pages. */ - if (!has_unmovable_pages(zone, page, arg.pages_found, migratetype, flags)) + if (!has_unmovable_pages(zone, page, arg.pages_found, migratetype, + isol_flags)) ret = 0; /* @@ -160,27 +161,36 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages) return NULL; } -/* - * start_isolate_page_range() -- make page-allocation-type of range of pages - * to be MIGRATE_ISOLATE. - * @start_pfn: The lower PFN of the range to be isolated. - * @end_pfn: The upper PFN of the range to be isolated. - * @migratetype: migrate type to set in error recovery. +/** + * start_isolate_page_range() - make page-allocation-type of range of pages to + * be MIGRATE_ISOLATE. + * @start_pfn: The lower PFN of the range to be isolated. + * @end_pfn: The upper PFN of the range to be isolated. + * start_pfn/end_pfn must be aligned to pageblock_order. + * @migratetype: Migrate type to set in error recovery. + * @flags: The following flags are allowed (they can be combined in + * a bit mask) + * SKIP_HWPOISON - ignore hwpoison pages + * REPORT_FAILURE - report details about the failure to + * isolate the range * * Making page-allocation-type to be MIGRATE_ISOLATE means free pages in * the range will never be allocated. Any free pages and pages freed in the - * future will not be allocated again. - * - * start_pfn/end_pfn must be aligned to pageblock_order. - * Return 0 on success and -EBUSY if any part of range cannot be isolated. + * future will not be allocated again. If specified range includes migrate types + * other than MOVABLE or CMA, this will fail with -EBUSY. For isolating all + * pages in the range finally, the caller have to free all pages in the range. + * test_page_isolated() can be used for test it. * * There is no high level synchronization mechanism that prevents two threads - * from trying to isolate overlapping ranges. If this happens, one thread + * from trying to isolate overlapping ranges. If this happens, one thread * will notice pageblocks in the overlapping range already set to isolate. * This happens in set_migratetype_isolate, and set_migratetype_isolate - * returns an error. We then clean up by restoring the migration type on - * pageblocks we may have modified and return -EBUSY to caller. This + * returns an error. We then clean up by restoring the migration type on + * pageblocks we may have modified and return -EBUSY to caller. This * prevents two threads from simultaneously working on overlapping ranges. + * + * Return: the number of isolated pageblocks on success and -EBUSY if any part + * of range cannot be isolated. */ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, unsigned migratetype, int flags) @@ -188,6 +198,7 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, unsigned long pfn; unsigned long undo_pfn; struct page *page; + int nr_isolate_pageblock = 0; BUG_ON(!IS_ALIGNED(start_pfn, pageblock_nr_pages)); BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages)); @@ -196,13 +207,15 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (page && - set_migratetype_isolate(page, migratetype, flags)) { - undo_pfn = pfn; - goto undo; + if (page) { + if (set_migratetype_isolate(page, migratetype, flags)) { + undo_pfn = pfn; + goto undo; + } + nr_isolate_pageblock++; } } - return 0; + return nr_isolate_pageblock; undo: for (pfn = start_pfn; pfn < undo_pfn; diff --git a/mm/slab.c b/mm/slab.c index 28652e4218e0..329bfe67f2ca 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2115,6 +2115,8 @@ done: cachep->allocflags = __GFP_COMP; if (flags & SLAB_CACHE_DMA) cachep->allocflags |= GFP_DMA; + if (flags & SLAB_CACHE_DMA32) + cachep->allocflags |= GFP_DMA32; if (flags & SLAB_RECLAIM_ACCOUNT) cachep->allocflags |= __GFP_RECLAIMABLE; cachep->size = size; diff --git a/mm/slab.h b/mm/slab.h index e5e6658eeacc..43ac818b8592 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -127,7 +127,8 @@ static inline slab_flags_t kmem_cache_flags(unsigned int object_size, /* Legal flag mask for kmem_cache_create(), for various configurations */ -#define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | SLAB_PANIC | \ +#define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | \ + SLAB_CACHE_DMA32 | SLAB_PANIC | \ SLAB_TYPESAFE_BY_RCU | SLAB_DEBUG_OBJECTS ) #if defined(CONFIG_DEBUG_SLAB) diff --git a/mm/slab_common.c b/mm/slab_common.c index 03eeb8b7b4b1..58251ba63e4a 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -53,7 +53,7 @@ static DECLARE_WORK(slab_caches_to_rcu_destroy_work, SLAB_FAILSLAB | SLAB_KASAN) #define SLAB_MERGE_SAME (SLAB_RECLAIM_ACCOUNT | SLAB_CACHE_DMA | \ - SLAB_ACCOUNT) + SLAB_CACHE_DMA32 | SLAB_ACCOUNT) /* * Merge control. If this is set then no merging of slab caches will occur. diff --git a/mm/slub.c b/mm/slub.c index 1b08fbcb7e61..d30ede89f4a6 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3589,6 +3589,9 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) if (s->flags & SLAB_CACHE_DMA) s->allocflags |= GFP_DMA; + if (s->flags & SLAB_CACHE_DMA32) + s->allocflags |= GFP_DMA32; + if (s->flags & SLAB_RECLAIM_ACCOUNT) s->allocflags |= __GFP_RECLAIMABLE; @@ -5679,6 +5682,8 @@ static char *create_unique_id(struct kmem_cache *s) */ if (s->flags & SLAB_CACHE_DMA) *p++ = 'd'; + if (s->flags & SLAB_CACHE_DMA32) + *p++ = 'D'; if (s->flags & SLAB_RECLAIM_ACCOUNT) *p++ = 'a'; if (s->flags & SLAB_CONSISTENCY_CHECKS) diff --git a/mm/sparse.c b/mm/sparse.c index 69904aa6165b..56e057c432f9 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -567,7 +567,7 @@ void online_mem_sections(unsigned long start_pfn, unsigned long end_pfn) } #ifdef CONFIG_MEMORY_HOTREMOVE -/* Mark all memory sections within the pfn range as online */ +/* Mark all memory sections within the pfn range as offline */ void offline_mem_sections(unsigned long start_pfn, unsigned long end_pfn) { unsigned long pfn; diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 7e71b0df1fbc..3083988ce729 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -840,6 +840,7 @@ static bool ceph_msg_data_bio_advance(struct ceph_msg_data_cursor *cursor, size_t bytes) { struct ceph_bio_iter *it = &cursor->bio_iter; + struct page *page = bio_iter_page(it->bio, it->iter); BUG_ON(bytes > cursor->resid); BUG_ON(bytes > bio_iter_len(it->bio, it->iter)); @@ -851,7 +852,8 @@ static bool ceph_msg_data_bio_advance(struct ceph_msg_data_cursor *cursor, return false; /* no more data */ } - if (!bytes || (it->iter.bi_size && it->iter.bi_bvec_done)) + if (!bytes || (it->iter.bi_size && it->iter.bi_bvec_done && + page == bio_iter_page(it->bio, it->iter))) return false; /* more bytes to process in this segment */ if (!it->iter.bi_size) { @@ -899,6 +901,7 @@ static bool ceph_msg_data_bvecs_advance(struct ceph_msg_data_cursor *cursor, size_t bytes) { struct bio_vec *bvecs = cursor->data->bvec_pos.bvecs; + struct page *page = bvec_iter_page(bvecs, cursor->bvec_iter); BUG_ON(bytes > cursor->resid); BUG_ON(bytes > bvec_iter_len(bvecs, cursor->bvec_iter)); @@ -910,7 +913,8 @@ static bool ceph_msg_data_bvecs_advance(struct ceph_msg_data_cursor *cursor, return false; /* no more data */ } - if (!bytes || cursor->bvec_iter.bi_bvec_done) + if (!bytes || (cursor->bvec_iter.bi_bvec_done && + page == bvec_iter_page(bvecs, cursor->bvec_iter))) return false; /* more bytes to process in this segment */ BUG_ON(cursor->last_piece); diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 2554a15ecf2b..76ca30cc4791 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -199,11 +199,8 @@ sub_cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(if $(part-of-module),1,0)" "$(@)"; recordmcount_source := $(srctree)/scripts/recordmcount.pl endif # BUILD_C_RECORDMCOUNT -cmd_record_mcount = \ - if [ "$(findstring $(CC_FLAGS_FTRACE),$(_c_flags))" = \ - "$(CC_FLAGS_FTRACE)" ]; then \ - $(sub_cmd_record_mcount) \ - fi +cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)), \ + $(sub_cmd_record_mcount)) endif # CC_USING_RECORD_MCOUNT endif # CONFIG_FTRACE_MCOUNT_RECORD diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 5b756278df13..a09333fd7cef 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5977,7 +5977,7 @@ sub process { while ($fmt =~ /(\%[\*\d\.]*p(\w))/g) { $specifier = $1; $extension = $2; - if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOx]/) { + if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOxt]/) { $bad_specifier = $specifier; last; } diff --git a/scripts/coccinelle/free/put_device.cocci b/scripts/coccinelle/free/put_device.cocci index 7395697e7f19..c9f071b0a0ab 100644 --- a/scripts/coccinelle/free/put_device.cocci +++ b/scripts/coccinelle/free/put_device.cocci @@ -32,6 +32,7 @@ if (id == NULL || ...) { ... return ...; } ( id | (T2)dev_get_drvdata(&id->dev) | (T3)platform_get_drvdata(id) +| &id->dev ); | return@p2 ...; ) diff --git a/scripts/coccinelle/misc/badty.cocci b/scripts/coccinelle/misc/badty.cocci index 481cf301ccfc..08470362199c 100644 --- a/scripts/coccinelle/misc/badty.cocci +++ b/scripts/coccinelle/misc/badty.cocci @@ -1,4 +1,4 @@ -/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element +/// Correct the size argument to alloc functions /// //# This makes an effort to find cases where the argument to sizeof is wrong //# in memory allocation functions by checking the type of the allocated memory diff --git a/scripts/kconfig/lxdialog/inputbox.c b/scripts/kconfig/lxdialog/inputbox.c index 611945611bf8..1dcfb288ee63 100644 --- a/scripts/kconfig/lxdialog/inputbox.c +++ b/scripts/kconfig/lxdialog/inputbox.c @@ -113,7 +113,8 @@ do_resize: case KEY_DOWN: break; case KEY_BACKSPACE: - case 127: + case 8: /* ^H */ + case 127: /* ^? */ if (pos) { wattrset(dialog, dlg.inputbox.atr); if (input_x == 0) { diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c index a4670f4e825a..ac92c0ded6c5 100644 --- a/scripts/kconfig/nconf.c +++ b/scripts/kconfig/nconf.c @@ -1048,7 +1048,7 @@ static int do_match(int key, struct match_state *state, int *ans) state->match_direction = FIND_NEXT_MATCH_UP; *ans = get_mext_match(state->pattern, state->match_direction); - } else if (key == KEY_BACKSPACE || key == 127) { + } else if (key == KEY_BACKSPACE || key == 8 || key == 127) { state->pattern[strlen(state->pattern)-1] = '\0'; adj_match_dir(&state->match_direction); } else diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c index 7be620a1fcdb..77f525a8617c 100644 --- a/scripts/kconfig/nconf.gui.c +++ b/scripts/kconfig/nconf.gui.c @@ -439,7 +439,8 @@ int dialog_inputbox(WINDOW *main_window, case KEY_F(F_EXIT): case KEY_F(F_BACK): break; - case 127: + case 8: /* ^H */ + case 127: /* ^? */ case KEY_BACKSPACE: if (cursor_position > 0) { memmove(&result[cursor_position-1], diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 0b0d1080b1c5..f277e116e0eb 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -639,7 +639,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, info->sechdrs[sym->st_shndx].sh_offset - (info->hdr->e_type != ET_REL ? info->sechdrs[sym->st_shndx].sh_addr : 0); - crc = *crcp; + crc = TO_NATIVE(*crcp); } sym_update_crc(symname + strlen("__crc_"), mod, crc, export); diff --git a/security/Kconfig b/security/Kconfig index 1d6463fb1450..353cfef71d4e 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -239,8 +239,46 @@ source "security/safesetid/Kconfig" source "security/integrity/Kconfig" +choice + prompt "First legacy 'major LSM' to be initialized" + default DEFAULT_SECURITY_SELINUX if SECURITY_SELINUX + default DEFAULT_SECURITY_SMACK if SECURITY_SMACK + default DEFAULT_SECURITY_TOMOYO if SECURITY_TOMOYO + default DEFAULT_SECURITY_APPARMOR if SECURITY_APPARMOR + default DEFAULT_SECURITY_DAC + + help + This choice is there only for converting CONFIG_DEFAULT_SECURITY + in old kernel configs to CONFIG_LSM in new kernel configs. Don't + change this choice unless you are creating a fresh kernel config, + for this choice will be ignored after CONFIG_LSM has been set. + + Selects the legacy "major security module" that will be + initialized first. Overridden by non-default CONFIG_LSM. + + config DEFAULT_SECURITY_SELINUX + bool "SELinux" if SECURITY_SELINUX=y + + config DEFAULT_SECURITY_SMACK + bool "Simplified Mandatory Access Control" if SECURITY_SMACK=y + + config DEFAULT_SECURITY_TOMOYO + bool "TOMOYO" if SECURITY_TOMOYO=y + + config DEFAULT_SECURITY_APPARMOR + bool "AppArmor" if SECURITY_APPARMOR=y + + config DEFAULT_SECURITY_DAC + bool "Unix Discretionary Access Controls" + +endchoice + config LSM string "Ordered list of enabled LSMs" + default "yama,loadpin,safesetid,integrity,smack,selinux,tomoyo,apparmor" if DEFAULT_SECURITY_SMACK + default "yama,loadpin,safesetid,integrity,apparmor,selinux,smack,tomoyo" if DEFAULT_SECURITY_APPARMOR + default "yama,loadpin,safesetid,integrity,tomoyo" if DEFAULT_SECURITY_TOMOYO + default "yama,loadpin,safesetid,integrity" if DEFAULT_SECURITY_DAC default "yama,loadpin,safesetid,integrity,selinux,smack,tomoyo,apparmor" help A comma-separated list of LSMs, in initialization order. diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index 57cc60722dd3..efac68556b45 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -206,7 +206,7 @@ static void yama_ptracer_del(struct task_struct *tracer, * yama_task_free - check for task_pid to remove from exception list * @task: task being removed */ -void yama_task_free(struct task_struct *task) +static void yama_task_free(struct task_struct *task) { yama_ptracer_del(task, task); } @@ -222,7 +222,7 @@ void yama_task_free(struct task_struct *task) * Return 0 on success, -ve on error. -ENOSYS is returned when Yama * does not handle the given option. */ -int yama_task_prctl(int option, unsigned long arg2, unsigned long arg3, +static int yama_task_prctl(int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) { int rc = -ENOSYS; @@ -401,7 +401,7 @@ static int yama_ptrace_access_check(struct task_struct *child, * * Returns 0 if following the ptrace is allowed, -ve on error. */ -int yama_ptrace_traceme(struct task_struct *parent) +static int yama_ptrace_traceme(struct task_struct *parent) { int rc = 0; @@ -452,7 +452,7 @@ static int yama_dointvec_minmax(struct ctl_table *table, int write, static int zero; static int max_scope = YAMA_SCOPE_NO_ATTACH; -struct ctl_path yama_sysctl_path[] = { +static struct ctl_path yama_sysctl_path[] = { { .procname = "kernel", }, { .procname = "yama", }, { } diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index d5b0d7ba83c4..f6ae68017608 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -940,6 +940,28 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream) oss_frame_size = snd_pcm_format_physical_width(params_format(params)) * params_channels(params) / 8; + err = snd_pcm_oss_period_size(substream, params, sparams); + if (err < 0) + goto failure; + + n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size); + err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL); + if (err < 0) + goto failure; + + err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS, + runtime->oss.periods, NULL); + if (err < 0) + goto failure; + + snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); + + err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams); + if (err < 0) { + pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err); + goto failure; + } + #ifdef CONFIG_SND_PCM_OSS_PLUGINS snd_pcm_oss_plugin_clear(substream); if (!direct) { @@ -974,27 +996,6 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream) } #endif - err = snd_pcm_oss_period_size(substream, params, sparams); - if (err < 0) - goto failure; - - n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size); - err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL); - if (err < 0) - goto failure; - - err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS, - runtime->oss.periods, NULL); - if (err < 0) - goto failure; - - snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); - - if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams)) < 0) { - pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err); - goto failure; - } - if (runtime->oss.trigger) { sw_params->start_threshold = 1; } else { diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index f731f904e8cc..1d8452912b14 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1445,8 +1445,15 @@ static int snd_pcm_pause(struct snd_pcm_substream *substream, int push) static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream, int state) { struct snd_pcm_runtime *runtime = substream->runtime; - if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) + switch (runtime->status->state) { + case SNDRV_PCM_STATE_SUSPENDED: return -EBUSY; + /* unresumable PCM state; return -EBUSY for skipping suspend */ + case SNDRV_PCM_STATE_OPEN: + case SNDRV_PCM_STATE_SETUP: + case SNDRV_PCM_STATE_DISCONNECTED: + return -EBUSY; + } runtime->trigger_master = substream; return 0; } diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index ee601d7f0926..c0690d1ecd55 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/mm.h> +#include <linux/nospec.h> #include <sound/rawmidi.h> #include <sound/info.h> #include <sound/control.h> @@ -601,6 +602,7 @@ static int __snd_rawmidi_info_select(struct snd_card *card, return -ENXIO; if (info->stream < 0 || info->stream > 1) return -EINVAL; + info->stream = array_index_nospec(info->stream, 2); pstr = &rmidi->streams[info->stream]; if (pstr->substream_count == 0) return -ENOENT; diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c index 278ebb993122..c93945917235 100644 --- a/sound/core/seq/oss/seq_oss_synth.c +++ b/sound/core/seq/oss/seq_oss_synth.c @@ -617,13 +617,14 @@ int snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_info *inf) { struct seq_oss_synth *rec; + struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev); - if (dev < 0 || dev >= dp->max_synthdev) + if (!info) return -ENXIO; - if (dp->synths[dev].is_midi) { + if (info->is_midi) { struct midi_info minf; - snd_seq_oss_midi_make_info(dp, dp->synths[dev].midi_mapped, &minf); + snd_seq_oss_midi_make_info(dp, info->midi_mapped, &minf); inf->synth_type = SYNTH_TYPE_MIDI; inf->synth_subtype = 0; inf->nr_voices = 16; diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 29882bda7632..e1ebc6d5f382 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -1005,7 +1005,6 @@ struct ca0132_spec { unsigned int scp_resp_header; unsigned int scp_resp_data[4]; unsigned int scp_resp_count; - bool alt_firmware_present; bool startup_check_entered; bool dsp_reload; @@ -7518,7 +7517,7 @@ static bool ca0132_download_dsp_images(struct hda_codec *codec) bool dsp_loaded = false; struct ca0132_spec *spec = codec->spec; const struct dsp_image_seg *dsp_os_image; - const struct firmware *fw_entry; + const struct firmware *fw_entry = NULL; /* * Alternate firmwares for different variants. The Recon3Di apparently * can use the default firmware, but I'll leave the option in case @@ -7529,33 +7528,26 @@ static bool ca0132_download_dsp_images(struct hda_codec *codec) case QUIRK_R3D: case QUIRK_AE5: if (request_firmware(&fw_entry, DESKTOP_EFX_FILE, - codec->card->dev) != 0) { + codec->card->dev) != 0) codec_dbg(codec, "Desktop firmware not found."); - spec->alt_firmware_present = false; - } else { + else codec_dbg(codec, "Desktop firmware selected."); - spec->alt_firmware_present = true; - } break; case QUIRK_R3DI: if (request_firmware(&fw_entry, R3DI_EFX_FILE, - codec->card->dev) != 0) { + codec->card->dev) != 0) codec_dbg(codec, "Recon3Di alt firmware not detected."); - spec->alt_firmware_present = false; - } else { + else codec_dbg(codec, "Recon3Di firmware selected."); - spec->alt_firmware_present = true; - } break; default: - spec->alt_firmware_present = false; break; } /* * Use default ctefx.bin if no alt firmware is detected, or if none * exists for your particular codec. */ - if (!spec->alt_firmware_present) { + if (!fw_entry) { codec_dbg(codec, "Default firmware selected."); if (request_firmware(&fw_entry, EFX_FILE, codec->card->dev) != 0) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 191830d4fa40..a3fb3d4c5730 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5688,6 +5688,8 @@ enum { ALC225_FIXUP_WYSE_AUTO_MUTE, ALC225_FIXUP_WYSE_DISABLE_MIC_VREF, ALC286_FIXUP_ACER_AIO_HEADSET_MIC, + ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + ALC299_FIXUP_PREDATOR_SPK, }; static const struct hda_fixup alc269_fixups[] = { @@ -6696,6 +6698,22 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE }, + [ALC256_FIXUP_ASUS_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x19, 0x04a11120 }, /* use as headset mic, without its own jack detect */ + { } + }, + .chained = true, + .chain_id = ALC256_FIXUP_ASUS_HEADSET_MODE + }, + [ALC299_FIXUP_PREDATOR_SPK] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x21, 0x90170150 }, /* use as headset mic, without its own jack detect */ + { } + } + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -6712,9 +6730,13 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS), SND_PCI_QUIRK(0x1025, 0x102b, "Acer Aspire C24-860", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1025, 0x106d, "Acer Cloudbook 14", ALC283_FIXUP_CHROME_BOOK), + SND_PCI_QUIRK(0x1025, 0x1099, "Acer Aspire E5-523G", ALC255_FIXUP_ACER_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1025, 0x110e, "Acer Aspire ES1-432", ALC255_FIXUP_ACER_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1025, 0x1246, "Acer Predator Helios 500", ALC299_FIXUP_PREDATOR_SPK), SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), + SND_PCI_QUIRK(0x1025, 0x1308, "Acer Aspire Z24-890", ALC286_FIXUP_ACER_AIO_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x1330, "Acer TravelMate X514-51T", ALC255_FIXUP_ACER_HEADSET_MIC), SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", ALC275_FIXUP_DELL_XPS), @@ -7111,6 +7133,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC255_FIXUP_DELL_HEADSET_MIC, .name = "alc255-dell-headset"}, {.id = ALC295_FIXUP_HP_X360, .name = "alc295-hp-x360"}, {.id = ALC295_FIXUP_CHROME_BOOK, .name = "alc-sense-combo"}, + {.id = ALC299_FIXUP_PREDATOR_SPK, .name = "predator-spk"}, {} }; #define ALC225_STANDARD_PINS \ @@ -7331,6 +7354,18 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x14, 0x90170110}, {0x1b, 0x90a70130}, {0x21, 0x03211020}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + {0x12, 0x90a60130}, + {0x14, 0x90170110}, + {0x21, 0x03211020}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + {0x12, 0x90a60130}, + {0x14, 0x90170110}, + {0x21, 0x04211020}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE, + {0x1a, 0x90a70130}, + {0x1b, 0x90170110}, + {0x21, 0x03211020}), SND_HDA_PIN_QUIRK(0x10ec0274, 0x1028, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB, {0x12, 0xb7a60130}, {0x13, 0xb8a61140}, diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index c9d038f91af6..53f8be0f4a1f 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -25,14 +25,17 @@ LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a OBJTOOL := $(OUTPUT)objtool OBJTOOL_IN := $(OBJTOOL)-in.o +LIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null) +LIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) + all: $(OBJTOOL) INCLUDES := -I$(srctree)/tools/include \ -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ -I$(srctree)/tools/objtool/arch/$(ARCH)/include WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed -CFLAGS += -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) -LDFLAGS += -lelf $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) +CFLAGS += -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS) +LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) # Allow old libelf to be used: elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) |