diff options
| author |   Mike Pagano <mpagano@gentoo.org> | 2023-12-13 13:29:15 -0500 |
|---|---|---|
| committer | Mike Pagano <mpagano@gentoo.org> | 2023-12-13 13:29:15 -0500 |
| commit | fff95d7d155d1df9764c8f7c13a36f332b7bc142 (patch) | |
| tree | 3ab5236e038f968c7bd5f7241e63cbaf08c12a65 | |
| parent | Linux patch 5.10.203 (diff) | |
| download | linux-patches-fff95d7d155d1df9764c8f7c13a36f332b7bc142.tar.gz linux-patches-fff95d7d155d1df9764c8f7c13a36f332b7bc142.tar.bz2 linux-patches-fff95d7d155d1df9764c8f7c13a36f332b7bc142.zip | |
Linux patch 5.10.2045.10-215
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1203_linux-5.10.204.patch | 5161 |
2 files changed, 5165 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 9fa95630..0ee398ed 100644 --- a/0000_README +++ b/0000_README @@ -855,6 +855,10 @@ Patch: 1202_linux-5.10.203.patch From: https://www.kernel.org Desc: Linux 5.10.203 +Patch: 1203_linux-5.10.204.patch +From: https://www.kernel.org +Desc: Linux 5.10.204 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1203_linux-5.10.204.patch b/1203_linux-5.10.204.patch new file mode 100644 index 00000000..88f6b212 --- /dev/null +++ b/1203_linux-5.10.204.patch @@ -0,0 +1,5161 @@ +diff --git a/Documentation/ABI/testing/sysfs-bus-optee-devices b/Documentation/ABI/testing/sysfs-bus-optee-devices +index 0f58701367b66..af31e5a22d89f 100644 +--- a/Documentation/ABI/testing/sysfs-bus-optee-devices ++++ b/Documentation/ABI/testing/sysfs-bus-optee-devices +@@ -6,3 +6,12 @@ Description: + OP-TEE bus provides reference to registered drivers under this directory. The <uuid> + matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers + are free to create needed API under optee-ta-<uuid> directory. ++ ++What: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant ++Date: November 2023 ++KernelVersion: 6.7 ++Contact: op-tee@lists.trustedfirmware.org ++Description: ++ Allows to distinguish whether an OP-TEE based TA/device requires user-space ++ tee-supplicant to function properly or not. This attribute will be present for ++ devices which depend on tee-supplicant to be running. +diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi +index 04885738cf156..0f8f0772d6f3b 100644 +--- a/Documentation/ABI/testing/sysfs-platform-asus-wmi ++++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi +@@ -57,3 +57,12 @@ Description: + * 0 - default, + * 1 - overboost, + * 2 - silent ++ ++What: /sys/devices/platform/<platform>/dgpu_disable ++Date: Aug 2022 ++KernelVersion: 5.17 ++Contact: "Luke Jones" <luke@ljones.dev> ++Description: ++ Disable discrete GPU: ++ * 0 - Enable dGPU, ++ * 1 - Disable dGPU +diff --git a/Makefile b/Makefile +index 4cbeb198196b0..87886018d774c 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 5 + PATCHLEVEL = 10 +-SUBLEVEL = 203 ++SUBLEVEL = 204 + EXTRAVERSION = + NAME = Dare mighty things + +diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi +index 854c380cccea4..03bde2fb9bb11 100644 +--- a/arch/arm/boot/dts/imx7s.dtsi ++++ b/arch/arm/boot/dts/imx7s.dtsi +@@ -437,7 +437,7 @@ + }; + + gpt1: timer@302d0000 { +- compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; ++ compatible = "fsl,imx7d-gpt", "fsl,imx6dl-gpt"; + reg = <0x302d0000 0x10000>; + interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7D_GPT1_ROOT_CLK>, +@@ -446,7 +446,7 @@ + }; + + gpt2: timer@302e0000 { +- compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; ++ compatible = "fsl,imx7d-gpt", "fsl,imx6dl-gpt"; + reg = <0x302e0000 0x10000>; + interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7D_GPT2_ROOT_CLK>, +@@ -456,7 +456,7 @@ + }; + + gpt3: timer@302f0000 { +- compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; ++ compatible = "fsl,imx7d-gpt", "fsl,imx6dl-gpt"; + reg = <0x302f0000 0x10000>; + interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7D_GPT3_ROOT_CLK>, +@@ -466,7 +466,7 @@ + }; + + gpt4: timer@30300000 { +- compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; ++ compatible = "fsl,imx7d-gpt", "fsl,imx6dl-gpt"; + reg = <0x30300000 0x10000>; + interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7D_GPT4_ROOT_CLK>, +diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c +index b9efe9da06e0b..3d76e8c28c51d 100644 +--- a/arch/arm/mach-imx/mmdc.c ++++ b/arch/arm/mach-imx/mmdc.c +@@ -502,6 +502,10 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b + + name = devm_kasprintf(&pdev->dev, + GFP_KERNEL, "mmdc%d", ret); ++ if (!name) { ++ ret = -ENOMEM; ++ goto pmu_release_id; ++ } + + pmu_mmdc->mmdc_ipg_clk = mmdc_ipg_clk; + pmu_mmdc->devtype_data = (struct fsl_mmdc_devtype_data *)of_id->data; +@@ -524,9 +528,10 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b + + pmu_register_err: + pr_warn("MMDC Perf PMU failed (%d), disabled\n", ret); +- ida_simple_remove(&mmdc_ida, pmu_mmdc->id); + cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node); + hrtimer_cancel(&pmu_mmdc->hrtimer); ++pmu_release_id: ++ ida_simple_remove(&mmdc_ida, pmu_mmdc->id); + pmu_free: + kfree(pmu_mmdc); + return ret; +diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts +index 3053f484c8cc1..7e6cffdc5a551 100644 +--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts ++++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts +@@ -69,7 +69,7 @@ + }; + }; + +- memory { ++ memory@40000000 { + reg = <0 0x40000000 0 0x40000000>; + }; + +diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts +index 08ad0ffb24df3..993f033d0bf04 100644 +--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts ++++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts +@@ -55,7 +55,7 @@ + }; + }; + +- memory { ++ memory@40000000 { + reg = <0 0x40000000 0 0x20000000>; + }; + +diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +index 6dffada2e66b4..2b66afcf026e1 100644 +--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts ++++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +@@ -43,7 +43,7 @@ + id-gpio = <&pio 16 GPIO_ACTIVE_HIGH>; + }; + +- usb_p1_vbus: regulator@0 { ++ usb_p1_vbus: regulator-usb-p1 { + compatible = "regulator-fixed"; + regulator-name = "usb_vbus"; + regulator-min-microvolt = <5000000>; +@@ -52,7 +52,7 @@ + enable-active-high; + }; + +- usb_p0_vbus: regulator@1 { ++ usb_p0_vbus: regulator-usb-p0 { + compatible = "regulator-fixed"; + regulator-name = "vbus"; + regulator-min-microvolt = <5000000>; +diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts +index cba2d8933e793..1d2d2e7239a39 100644 +--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts ++++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts +@@ -30,7 +30,7 @@ + #address-cells = <2>; + #size-cells = <2>; + ranges; +- scp_mem_reserved: scp_mem_region { ++ scp_mem_reserved: memory@50000000 { + compatible = "shared-dma-pool"; + reg = <0 0x50000000 0 0x2900000>; + no-map; +diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +index 85f7c33ba4461..a4f860bb4a842 100644 +--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi ++++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +@@ -95,7 +95,7 @@ + #size-cells = <2>; + ranges; + +- scp_mem_reserved: scp_mem_region { ++ scp_mem_reserved: memory@50000000 { + compatible = "shared-dma-pool"; + reg = <0 0x50000000 0 0x2900000>; + no-map; +diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi +index c5f3d4f8f4d21..3180f576ed02e 100644 +--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi ++++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi +@@ -1022,7 +1022,9 @@ + power-domain@RK3399_PD_VDU { + reg = <RK3399_PD_VDU>; + clocks = <&cru ACLK_VDU>, +- <&cru HCLK_VDU>; ++ <&cru HCLK_VDU>, ++ <&cru SCLK_VDU_CA>, ++ <&cru SCLK_VDU_CORE>; + pm_qos = <&qos_video_m1_r>, + <&qos_video_m1_w>; + }; +@@ -1276,7 +1278,7 @@ + + vdec: video-codec@ff660000 { + compatible = "rockchip,rk3399-vdec"; +- reg = <0x0 0xff660000 0x0 0x400>; ++ reg = <0x0 0xff660000 0x0 0x480>; + interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>, + <&cru SCLK_VDU_CA>, <&cru SCLK_VDU_CORE>; +diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig +index 57839f63074f7..18ebacf298891 100644 +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -468,6 +468,7 @@ config MACH_LOONGSON2EF + + config MACH_LOONGSON64 + bool "Loongson 64-bit family of machines" ++ select ARCH_DMA_DEFAULT_COHERENT + select ARCH_SPARSEMEM_ENABLE + select ARCH_MIGHT_HAVE_PC_PARPORT + select ARCH_MIGHT_HAVE_PC_SERIO +@@ -1379,6 +1380,7 @@ config CPU_LOONGSON64 + select CPU_SUPPORTS_MSA + select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT + select CPU_MIPSR2_IRQ_VI ++ select DMA_NONCOHERENT + select WEAK_ORDERING + select WEAK_REORDERING_BEYOND_LLSC + select MIPS_ASID_BITS_VARIABLE +diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h +index afc92b7a61c60..de0bd14d798aa 100644 +--- a/arch/mips/include/asm/mach-loongson64/boot_param.h ++++ b/arch/mips/include/asm/mach-loongson64/boot_param.h +@@ -117,7 +117,8 @@ struct irq_source_routing_table { + u64 pci_io_start_addr; + u64 pci_io_end_addr; + u64 pci_config_addr; +- u32 dma_mask_bits; ++ u16 dma_mask_bits; ++ u16 dma_noncoherent; + } __packed; + + struct interface_info { +diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c +index 134cb8e9efc21..a59bae36f86a7 100644 +--- a/arch/mips/loongson64/env.c ++++ b/arch/mips/loongson64/env.c +@@ -13,6 +13,8 @@ + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzhangjin@gmail.com + */ ++ ++#include <linux/dma-map-ops.h> + #include <linux/export.h> + #include <linux/pci_ids.h> + #include <asm/bootinfo.h> +@@ -131,8 +133,14 @@ void __init prom_init_env(void) + loongson_sysconf.pci_io_base = eirq_source->pci_io_start_addr; + loongson_sysconf.dma_mask_bits = eirq_source->dma_mask_bits; + if (loongson_sysconf.dma_mask_bits < 32 || +- loongson_sysconf.dma_mask_bits > 64) ++ loongson_sysconf.dma_mask_bits > 64) { + loongson_sysconf.dma_mask_bits = 32; ++ dma_default_coherent = true; ++ } else { ++ dma_default_coherent = !eirq_source->dma_noncoherent; ++ } ++ ++ pr_info("Firmware: Coherent DMA: %s\n", dma_default_coherent ? "on" : "off"); + + loongson_sysconf.restart_addr = boot_p->reset_system.ResetWarm; + loongson_sysconf.poweroff_addr = boot_p->reset_system.Shutdown; +diff --git a/arch/mips/loongson64/init.c b/arch/mips/loongson64/init.c +index 052cce6a8a998..4071cc8841e33 100644 +--- a/arch/mips/loongson64/init.c ++++ b/arch/mips/loongson64/init.c +@@ -140,6 +140,11 @@ static __init void reserve_pio_range(void) + } + } + } ++ ++ /* Reserve vgabios if it comes from firmware */ ++ if (loongson_sysconf.vgabios_addr) ++ memblock_reserve(virt_to_phys((void *)loongson_sysconf.vgabios_addr), ++ SZ_256K); + } + + void __init arch_init_irq(void) +diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c +index 46c4dafe3ba0e..b246c3dc69930 100644 +--- a/arch/riscv/kernel/traps_misaligned.c ++++ b/arch/riscv/kernel/traps_misaligned.c +@@ -344,16 +344,14 @@ int handle_misaligned_store(struct pt_regs *regs) + } else if ((insn & INSN_MASK_C_SD) == INSN_MATCH_C_SD) { + len = 8; + val.data_ulong = GET_RS2S(insn, regs); +- } else if ((insn & INSN_MASK_C_SDSP) == INSN_MATCH_C_SDSP && +- ((insn >> SH_RD) & 0x1f)) { ++ } else if ((insn & INSN_MASK_C_SDSP) == INSN_MATCH_C_SDSP) { + len = 8; + val.data_ulong = GET_RS2C(insn, regs); + #endif + } else if ((insn & INSN_MASK_C_SW) == INSN_MATCH_C_SW) { + len = 4; + val.data_ulong = GET_RS2S(insn, regs); +- } else if ((insn & INSN_MASK_C_SWSP) == INSN_MATCH_C_SWSP && +- ((insn >> SH_RD) & 0x1f)) { ++ } else if ((insn & INSN_MASK_C_SWSP) == INSN_MATCH_C_SWSP) { + len = 4; + val.data_ulong = GET_RS2C(insn, regs); + } else { +diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c +index 1c05caf68e7d8..5b62e385af386 100644 +--- a/arch/s390/mm/pgtable.c ++++ b/arch/s390/mm/pgtable.c +@@ -717,7 +717,7 @@ void ptep_zap_unused(struct mm_struct *mm, unsigned long addr, + pte_clear(mm, addr, ptep); + } + if (reset) +- pgste_val(pgste) &= ~_PGSTE_GPS_USAGE_MASK; ++ pgste_val(pgste) &= ~(_PGSTE_GPS_USAGE_MASK | _PGSTE_GPS_NODAT); + pgste_set_unlock(ptep, pgste); + preempt_enable(); + } +diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c +index d254e02aa179f..f29c6bed9d657 100644 +--- a/arch/x86/kernel/cpu/amd.c ++++ b/arch/x86/kernel/cpu/amd.c +@@ -1328,6 +1328,9 @@ static void zenbleed_check_cpu(void *unused) + + void amd_check_microcode(void) + { ++ if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD) ++ return; ++ + on_each_cpu(zenbleed_check_cpu, NULL, 1); + } + +diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c +index 9243468e2c99f..4d725d1fd61ae 100644 +--- a/drivers/base/devcoredump.c ++++ b/drivers/base/devcoredump.c +@@ -29,6 +29,47 @@ struct devcd_entry { + struct device devcd_dev; + void *data; + size_t datalen; ++ /* ++ * Here, mutex is required to serialize the calls to del_wk work between ++ * user/kernel space which happens when devcd is added with device_add() ++ * and that sends uevent to user space. User space reads the uevents, ++ * and calls to devcd_data_write() which try to modify the work which is ++ * not even initialized/queued from devcoredump. ++ * ++ * ++ * ++ * cpu0(X) cpu1(Y) ++ * ++ * dev_coredump() uevent sent to user space ++ * device_add() ======================> user space process Y reads the ++ * uevents writes to devcd fd ++ * which results into writes to ++ * ++ * devcd_data_write() ++ * mod_delayed_work() ++ * try_to_grab_pending() ++ * del_timer() ++ * debug_assert_init() ++ * INIT_DELAYED_WORK() ++ * schedule_delayed_work() ++ * ++ * ++ * Also, mutex alone would not be enough to avoid scheduling of ++ * del_wk work after it get flush from a call to devcd_free() ++ * mentioned as below. ++ * ++ * disabled_store() ++ * devcd_free() ++ * mutex_lock() devcd_data_write() ++ * flush_delayed_work() ++ * mutex_unlock() ++ * mutex_lock() ++ * mod_delayed_work() ++ * mutex_unlock() ++ * So, delete_work flag is required. ++ */ ++ struct mutex mutex; ++ bool delete_work; + struct module *owner; + ssize_t (*read)(char *buffer, loff_t offset, size_t count, + void *data, size_t datalen); +@@ -88,7 +129,12 @@ static ssize_t devcd_data_write(struct file *filp, struct kobject *kobj, + struct device *dev = kobj_to_dev(kobj); + struct devcd_entry *devcd = dev_to_devcd(dev); + +- mod_delayed_work(system_wq, &devcd->del_wk, 0); ++ mutex_lock(&devcd->mutex); ++ if (!devcd->delete_work) { ++ devcd->delete_work = true; ++ mod_delayed_work(system_wq, &devcd->del_wk, 0); ++ } ++ mutex_unlock(&devcd->mutex); + + return count; + } +@@ -116,7 +162,12 @@ static int devcd_free(struct device *dev, void *data) + { + struct devcd_entry *devcd = dev_to_devcd(dev); + ++ mutex_lock(&devcd->mutex); ++ if (!devcd->delete_work) ++ devcd->delete_work = true; ++ + flush_delayed_work(&devcd->del_wk); ++ mutex_unlock(&devcd->mutex); + return 0; + } + +@@ -126,6 +177,30 @@ static ssize_t disabled_show(struct class *class, struct class_attribute *attr, + return sysfs_emit(buf, "%d\n", devcd_disabled); + } + ++/* ++ * ++ * disabled_store() worker() ++ * class_for_each_device(&devcd_class, ++ * NULL, NULL, devcd_free) ++ * ... ++ * ... ++ * while ((dev = class_dev_iter_next(&iter)) ++ * devcd_del() ++ * device_del() ++ * put_device() <- last reference ++ * error = fn(dev, data) devcd_dev_release() ++ * devcd_free(dev, data) kfree(devcd) ++ * mutex_lock(&devcd->mutex); ++ * ++ * ++ * In the above diagram, It looks like disabled_store() would be racing with parallely ++ * running devcd_del() and result in memory abort while acquiring devcd->mutex which ++ * is called after kfree of devcd memory after dropping its last reference with ++ * put_device(). However, this will not happens as fn(dev, data) runs ++ * with its own reference to device via klist_node so it is not its last reference. ++ * so, above situation would not occur. ++ */ ++ + static ssize_t disabled_store(struct class *class, struct class_attribute *attr, + const char *buf, size_t count) + { +@@ -282,13 +357,17 @@ void dev_coredumpm(struct device *dev, struct module *owner, + devcd->read = read; + devcd->free = free; + devcd->failing_dev = get_device(dev); ++ devcd->delete_work = false; + ++ mutex_init(&devcd->mutex); + device_initialize(&devcd->devcd_dev); + + dev_set_name(&devcd->devcd_dev, "devcd%d", + atomic_inc_return(&devcd_count)); + devcd->devcd_dev.class = &devcd_class; + ++ mutex_lock(&devcd->mutex); ++ dev_set_uevent_suppress(&devcd->devcd_dev, true); + if (device_add(&devcd->devcd_dev)) + goto put_device; + +@@ -300,12 +379,15 @@ void dev_coredumpm(struct device *dev, struct module *owner, + "devcoredump")) + /* nothing - symlink will be missing */; + ++ dev_set_uevent_suppress(&devcd->devcd_dev, false); ++ kobject_uevent(&devcd->devcd_dev.kobj, KOBJ_ADD); + INIT_DELAYED_WORK(&devcd->del_wk, devcd_del); + schedule_delayed_work(&devcd->del_wk, DEVCD_TIMEOUT); +- ++ mutex_unlock(&devcd->mutex); + return; + put_device: + put_device(&devcd->devcd_dev); ++ mutex_unlock(&devcd->mutex); + put_module: + module_put(owner); + free: +diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c +index fa5d945b2f286..f45ba0f789d4f 100644 +--- a/drivers/gpio/gpiolib-sysfs.c ++++ b/drivers/gpio/gpiolib-sysfs.c +@@ -491,14 +491,17 @@ static ssize_t export_store(struct class *class, + } + + status = gpiod_set_transitory(desc, false); +- if (!status) { +- status = gpiod_export(desc, true); +- if (status < 0) +- gpiod_free(desc); +- else +- set_bit(FLAG_SYSFS, &desc->flags); ++ if (status) { ++ gpiod_free(desc); ++ goto done; + } + ++ status = gpiod_export(desc, true); ++ if (status < 0) ++ gpiod_free(desc); ++ else ++ set_bit(FLAG_SYSFS, &desc->flags); ++ + done: + if (status) + pr_debug("%s: status %d\n", __func__, status); +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +index 7f2adac82e3a6..addeda42339fa 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +@@ -143,7 +143,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs + } + + for (i = 0; i < p->nchunks; i++) { +- struct drm_amdgpu_cs_chunk __user **chunk_ptr = NULL; ++ struct drm_amdgpu_cs_chunk __user *chunk_ptr = NULL; + struct drm_amdgpu_cs_chunk user_chunk; + uint32_t __user *cdata; + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +index 7cc7af2a6822e..3671a700189d0 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +@@ -299,13 +299,11 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set, + adev->have_disp_power_ref = true; + return ret; + } +- /* if we have no active crtcs, then drop the power ref +- we got before */ +- if (!active && adev->have_disp_power_ref) { +- pm_runtime_put_autosuspend(dev->dev); ++ /* if we have no active crtcs, then go to ++ * drop the power ref we got before ++ */ ++ if (!active && adev->have_disp_power_ref) + adev->have_disp_power_ref = false; +- } +- + out: + /* drop the power reference we got coming in here */ + pm_runtime_put_autosuspend(dev->dev); +diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c +index a270b975e90bb..5794d44538e9c 100644 +--- a/drivers/hwmon/acpi_power_meter.c ++++ b/drivers/hwmon/acpi_power_meter.c +@@ -32,6 +32,7 @@ ACPI_MODULE_NAME(ACPI_POWER_METER_NAME); + #define POWER_METER_CAN_NOTIFY (1 << 3) + #define POWER_METER_IS_BATTERY (1 << 8) + #define UNKNOWN_HYSTERESIS 0xFFFFFFFF ++#define UNKNOWN_POWER 0xFFFFFFFF + + #define METER_NOTIFY_CONFIG 0x80 + #define METER_NOTIFY_TRIP 0x81 +@@ -343,6 +344,9 @@ static ssize_t show_power(struct device *dev, + update_meter(resource); + mutex_unlock(&resource->lock); + ++ if (resource->power == UNKNOWN_POWER) ++ return -ENODATA; ++ + return sprintf(buf, "%llu\n", resource->power * 1000); + } + +diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c +index 682fffaab2b40..c9f7783ac7cb1 100644 +--- a/drivers/i2c/busses/i2c-designware-common.c ++++ b/drivers/i2c/busses/i2c-designware-common.c +@@ -63,7 +63,7 @@ static int dw_reg_read(void *context, unsigned int reg, unsigned int *val) + { + struct dw_i2c_dev *dev = context; + +- *val = readl_relaxed(dev->base + reg); ++ *val = readl(dev->base + reg); + + return 0; + } +@@ -72,7 +72,7 @@ static int dw_reg_write(void *context, unsigned int reg, unsigned int val) + { + struct dw_i2c_dev *dev = context; + +- writel_relaxed(val, dev->base + reg); ++ writel(val, dev->base + reg); + + return 0; + } +@@ -81,7 +81,7 @@ static int dw_reg_read_swab(void *context, unsigned int reg, unsigned int *val) + { + struct dw_i2c_dev *dev = context; + +- *val = swab32(readl_relaxed(dev->base + reg)); ++ *val = swab32(readl(dev->base + reg)); + + return 0; + } +@@ -90,7 +90,7 @@ static int dw_reg_write_swab(void *context, unsigned int reg, unsigned int val) + { + struct dw_i2c_dev *dev = context; + +- writel_relaxed(swab32(val), dev->base + reg); ++ writel(swab32(val), dev->base + reg); + + return 0; + } +@@ -99,8 +99,8 @@ static int dw_reg_read_word(void *context, unsigned int reg, unsigned int *val) + { + struct dw_i2c_dev *dev = context; + +- *val = readw_relaxed(dev->base + reg) | +- (readw_relaxed(dev->base + reg + 2) << 16); ++ *val = readw(dev->base + reg) | ++ (readw(dev->base + reg + 2) << 16); + + return 0; + } +@@ -109,8 +109,8 @@ static int dw_reg_write_word(void *context, unsigned int reg, unsigned int val) + { + struct dw_i2c_dev *dev = context; + +- writew_relaxed(val, dev->base + reg); +- writew_relaxed(val >> 16, dev->base + reg + 2); ++ writew(val, dev->base + reg); ++ writew(val >> 16, dev->base + reg + 2); + + return 0; + } +diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c +index 8a618769915d5..76030eac49a37 100644 +--- a/drivers/infiniband/hw/bnxt_re/main.c ++++ b/drivers/infiniband/hw/bnxt_re/main.c +@@ -70,7 +70,7 @@ static char version[] = + BNXT_RE_DESC "\n"; + + MODULE_AUTHOR("Eddie Wai <eddie.wai@broadcom.com>"); +-MODULE_DESCRIPTION(BNXT_RE_DESC " Driver"); ++MODULE_DESCRIPTION(BNXT_RE_DESC); + MODULE_LICENSE("Dual BSD/GPL"); + + /* globals */ +diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c +index 1a5805260778b..e8b2b58cc9bc6 100644 +--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c ++++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c +@@ -387,7 +387,7 @@ static void complete_rdma_req(struct rtrs_clt_io_req *req, int errno, + struct rtrs_clt_sess *sess; + int err; + +- if (WARN_ON(!req->in_use)) ++ if (!req->in_use) + return; + if (WARN_ON(!req->con)) + return; +diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c +index d5c3f7d54634c..aa87542f116c2 100644 +--- a/drivers/misc/mei/client.c ++++ b/drivers/misc/mei/client.c +@@ -1969,7 +1969,7 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb) + + mei_hdr = mei_msg_hdr_init(cb); + if (IS_ERR(mei_hdr)) { +- rets = -PTR_ERR(mei_hdr); ++ rets = PTR_ERR(mei_hdr); + mei_hdr = NULL; + goto err; + } +@@ -1993,7 +1993,7 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb) + + hbuf_slots = mei_hbuf_empty_slots(dev); + if (hbuf_slots < 0) { +- rets = -EOVERFLOW; ++ buf_len = -EOVERFLOW; + goto out; + } + +diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c +index fdeaaae080603..d5ca59bd1c995 100644 +--- a/drivers/mmc/core/core.c ++++ b/drivers/mmc/core/core.c +@@ -553,6 +553,8 @@ int mmc_cqe_recovery(struct mmc_host *host) + cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT; + mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES); + ++ mmc_poll_for_busy(host->card, MMC_CQE_RECOVERY_TIMEOUT, MMC_BUSY_IO); ++ + memset(&cmd, 0, sizeof(cmd)); + cmd.opcode = MMC_CMDQ_TASK_MGMT; + cmd.arg = 1; /* Discard entire queue */ +diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c +index ebad70e4481af..b6bb7f7faee2b 100644 +--- a/drivers/mmc/core/mmc_ops.c ++++ b/drivers/mmc/core/mmc_ops.c +@@ -452,7 +452,7 @@ static int mmc_busy_status(struct mmc_card *card, bool retry_crc_err, + u32 status = 0; + int err; + +- if (host->ops->card_busy) { ++ if (busy_cmd != MMC_BUSY_IO && host->ops->card_busy) { + *busy = host->ops->card_busy(host); + return 0; + } +@@ -473,6 +473,7 @@ static int mmc_busy_status(struct mmc_card *card, bool retry_crc_err, + err = R1_STATUS(status) ? -EIO : 0; + break; + case MMC_BUSY_HPI: ++ case MMC_BUSY_IO: + break; + default: + err = -EINVAL; +diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h +index 632009260e51d..e3cbb1ddc31c9 100644 +--- a/drivers/mmc/core/mmc_ops.h ++++ b/drivers/mmc/core/mmc_ops.h +@@ -14,6 +14,7 @@ enum mmc_busy_cmd { + MMC_BUSY_CMD6, + MMC_BUSY_ERASE, + MMC_BUSY_HPI, ++ MMC_BUSY_IO, + }; + + struct mmc_host; +diff --git a/drivers/net/arcnet/arcdevice.h b/drivers/net/arcnet/arcdevice.h +index 5d4a4c7efbbff..deeabd6ec2e81 100644 +--- a/drivers/net/arcnet/arcdevice.h ++++ b/drivers/net/arcnet/arcdevice.h +@@ -186,6 +186,8 @@ do { \ + #define ARC_IS_5MBIT 1 /* card default speed is 5MBit */ + #define ARC_CAN_10MBIT 2 /* card uses COM20022, supporting 10MBit, + but default is 2.5MBit. */ ++#define ARC_HAS_LED 4 /* card has software controlled LEDs */ ++#define ARC_HAS_ROTARY 8 /* card has rotary encoder */ + + /* information needed to define an encapsulation driver */ + struct ArcProto { +diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c +index b4f8798d8c509..9d9e4200064f9 100644 +--- a/drivers/net/arcnet/com20020-pci.c ++++ b/drivers/net/arcnet/com20020-pci.c +@@ -127,6 +127,8 @@ static int com20020pci_probe(struct pci_dev *pdev, + int i, ioaddr, ret; + struct resource *r; + ++ ret = 0; ++ + if (pci_enable_device(pdev)) + return -EIO; + +@@ -142,6 +144,8 @@ static int com20020pci_probe(struct pci_dev *pdev, + priv->ci = ci; + mm = &ci->misc_map; + ++ pci_set_drvdata(pdev, priv); ++ + INIT_LIST_HEAD(&priv->list_dev); + + if (mm->size) { +@@ -164,7 +168,7 @@ static int com20020pci_probe(struct pci_dev *pdev, + dev = alloc_arcdev(device); + if (!dev) { + ret = -ENOMEM; +- goto out_port; ++ break; + } + dev->dev_port = i; + +@@ -181,7 +185,7 @@ static int com20020pci_probe(struct pci_dev *pdev, + pr_err("IO region %xh-%xh already allocated\n", + ioaddr, ioaddr + cm->size - 1); + ret = -EBUSY; +- goto out_port; ++ goto err_free_arcdev; + } + + /* Dummy access after Reset +@@ -209,76 +213,79 @@ static int com20020pci_probe(struct pci_dev *pdev, + if (!strncmp(ci->name, "EAE PLX-PCI FB2", 15)) + lp->backplane = 1; + +- /* Get the dev_id from the PLX rotary coder */ +- if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15)) +- dev_id_mask = 0x3; +- dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask; +- +- snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i); ++ if (ci->flags & ARC_HAS_ROTARY) { ++ /* Get the dev_id from the PLX rotary coder */ ++ if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15)) ++ dev_id_mask = 0x3; ++ dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask; ++ snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i); ++ } + + if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) { + pr_err("IO address %Xh is empty!\n", ioaddr); + ret = -EIO; +- goto out_port; ++ goto err_free_arcdev; + } + if (com20020_check(dev)) { + ret = -EIO; +- goto out_port; ++ goto err_free_arcdev; + } + ++ ret = com20020_found(dev, IRQF_SHARED); ++ if (ret) ++ goto err_free_arcdev; ++ + card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev), + GFP_KERNEL); + if (!card) { + ret = -ENOMEM; +- goto out_port; ++ goto err_free_arcdev; + } + + card->index = i; + card->pci_priv = priv; +- card->tx_led.brightness_set = led_tx_set; +- card->tx_led.default_trigger = devm_kasprintf(&pdev->dev, +- GFP_KERNEL, "arc%d-%d-tx", +- dev->dev_id, i); +- card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, +- "pci:green:tx:%d-%d", +- dev->dev_id, i); +- +- card->tx_led.dev = &dev->dev; +- card->recon_led.brightness_set = led_recon_set; +- card->recon_led.default_trigger = devm_kasprintf(&pdev->dev, +- GFP_KERNEL, "arc%d-%d-recon", +- dev->dev_id, i); +- card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, +- "pci:red:recon:%d-%d", +- dev->dev_id, i); +- card->recon_led.dev = &dev->dev; +- card->dev = dev; +- +- ret = devm_led_classdev_register(&pdev->dev, &card->tx_led); +- if (ret) +- goto out_port; +- +- ret = devm_led_classdev_register(&pdev->dev, &card->recon_led); +- if (ret) +- goto out_port; +- +- dev_set_drvdata(&dev->dev, card); + +- ret = com20020_found(dev, IRQF_SHARED); +- if (ret) +- goto out_port; +- +- devm_arcnet_led_init(dev, dev->dev_id, i); ++ if (ci->flags & ARC_HAS_LED) { ++ card->tx_led.brightness_set = led_tx_set; ++ card->tx_led.default_trigger = devm_kasprintf(&pdev->dev, ++ GFP_KERNEL, "arc%d-%d-tx", ++ dev->dev_id, i); ++ card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, ++ "pci:green:tx:%d-%d", ++ dev->dev_id, i); ++ ++ card->tx_led.dev = &dev->dev; ++ card->recon_led.brightness_set = led_recon_set; ++ card->recon_led.default_trigger = devm_kasprintf(&pdev->dev, ++ GFP_KERNEL, "arc%d-%d-recon", ++ dev->dev_id, i); ++ card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, ++ "pci:red:recon:%d-%d", ++ dev->dev_id, i); ++ card->recon_led.dev = &dev->dev; ++ ++ ret = devm_led_classdev_register(&pdev->dev, &card->tx_led); ++ if (ret) ++ goto err_free_arcdev; ++ ++ ret = devm_led_classdev_register(&pdev->dev, &card->recon_led); ++ if (ret) ++ goto err_free_arcdev; ++ ++ dev_set_drvdata(&dev->dev, card); ++ devm_arcnet_led_init(dev, dev->dev_id, i); ++ } + ++ card->dev = dev; + list_add(&card->list, &priv->list_dev); +- } +- +- pci_set_drvdata(pdev, priv); +- +- return 0; ++ continue; + +-out_port: +- com20020pci_remove(pdev); ++err_free_arcdev: ++ free_arcdev(dev); ++ break; ++ } ++ if (ret) ++ com20020pci_remove(pdev); + return ret; + } + +@@ -325,7 +332,7 @@ static struct com20020_pci_card_info card_info_5mbit = { + }; + + static struct com20020_pci_card_info card_info_sohard = { +- .name = "PLX-PCI", ++ .name = "SOHARD SH ARC-PCI", + .devcount = 1, + /* SOHARD needs PCI base addr 4 */ + .chan_map_tbl = { +@@ -360,7 +367,7 @@ static struct com20020_pci_card_info card_info_eae_arc1 = { + }, + }, + .rotary = 0x0, +- .flags = ARC_CAN_10MBIT, ++ .flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT, + }; + + static struct com20020_pci_card_info card_info_eae_ma1 = { +@@ -392,7 +399,7 @@ static struct com20020_pci_card_info card_info_eae_ma1 = { + }, + }, + .rotary = 0x0, +- .flags = ARC_CAN_10MBIT, ++ .flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT, + }; + + static struct com20020_pci_card_info card_info_eae_fb2 = { +@@ -417,7 +424,7 @@ static struct com20020_pci_card_info card_info_eae_fb2 = { + }, + }, + .rotary = 0x0, +- .flags = ARC_CAN_10MBIT, ++ .flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT, + }; + + static const struct pci_device_id com20020pci_id_table[] = { +diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +index 3e9b1f59e381d..775d0b7521ca0 100644 +--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c ++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +@@ -2061,6 +2061,7 @@ destroy_flow_table: + rhashtable_destroy(&tc_info->flow_table); + free_tc_info: + kfree(tc_info); ++ bp->tc_info = NULL; + return rc; + } + +diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c +index 5647833303a44..b010f28b0abf4 100644 +--- a/drivers/net/ethernet/broadcom/tg3.c ++++ b/drivers/net/ethernet/broadcom/tg3.c +@@ -6864,7 +6864,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) + desc_idx, *post_ptr); + drop_it_no_recycle: + /* Other statistics kept track of by card. */ +- tp->rx_dropped++; ++ tnapi->rx_dropped++; + goto next_pkt; + } + +@@ -7890,8 +7890,10 @@ static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi, + + segs = skb_gso_segment(skb, tp->dev->features & + ~(NETIF_F_TSO | NETIF_F_TSO6)); +- if (IS_ERR(segs) || !segs) ++ if (IS_ERR(segs) || !segs) { ++ tnapi->tx_dropped++; + goto tg3_tso_bug_end; ++ } + + skb_list_walk_safe(segs, seg, next) { + skb_mark_not_on_list(seg); +@@ -8161,7 +8163,7 @@ dma_error: + drop: + dev_kfree_skb_any(skb); + drop_nofree: +- tp->tx_dropped++; ++ tnapi->tx_dropped++; + return NETDEV_TX_OK; + } + +@@ -9340,7 +9342,7 @@ static void __tg3_set_rx_mode(struct net_device *); + /* tp->lock is held. */ + static int tg3_halt(struct tg3 *tp, int kind, bool silent) + { +- int err; ++ int err, i; + + tg3_stop_fw(tp); + +@@ -9361,6 +9363,13 @@ static int tg3_halt(struct tg3 *tp, int kind, bool silent) + + /* And make sure the next sample is new data */ + memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats)); ++ ++ for (i = 0; i < TG3_IRQ_MAX_VECS; ++i) { ++ struct tg3_napi *tnapi = &tp->napi[i]; ++ ++ tnapi->rx_dropped = 0; ++ tnapi->tx_dropped = 0; ++ } + } + + return err; +@@ -11915,6 +11924,9 @@ static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats) + { + struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev; + struct tg3_hw_stats *hw_stats = tp->hw_stats; ++ unsigned long rx_dropped; ++ unsigned long tx_dropped; ++ int i; + + stats->rx_packets = old_stats->rx_packets + + get_stat64(&hw_stats->rx_ucast_packets) + +@@ -11961,8 +11973,26 @@ static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats) + stats->rx_missed_errors = old_stats->rx_missed_errors + + get_stat64(&hw_stats->rx_discards); + +- stats->rx_dropped = tp->rx_dropped; +- stats->tx_dropped = tp->tx_dropped; ++ /* Aggregate per-queue counters. The per-queue counters are updated ++ * by a single writer, race-free. The result computed by this loop ++ * might not be 100% accurate (counters can be updated in the middle of ++ * the loop) but the next tg3_get_nstats() will recompute the current ++ * value so it is acceptable. ++ * ++ * Note that these counters wrap around at 4G on 32bit machines. ++ */ ++ rx_dropped = (unsigned long)(old_stats->rx_dropped); ++ tx_dropped = (unsigned long)(old_stats->tx_dropped); ++ ++ for (i = 0; i < tp->irq_cnt; i++) { ++ struct tg3_napi *tnapi = &tp->napi[i]; ++ ++ rx_dropped += tnapi->rx_dropped; ++ tx_dropped += tnapi->tx_dropped; ++ } ++ ++ stats->rx_dropped = rx_dropped; ++ stats->tx_dropped = tx_dropped; + } + + static int tg3_get_regs_len(struct net_device *dev) +diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h +index 1000c894064f0..8d753f8c5b065 100644 +--- a/drivers/net/ethernet/broadcom/tg3.h ++++ b/drivers/net/ethernet/broadcom/tg3.h +@@ -3018,6 +3018,7 @@ struct tg3_napi { + u16 *rx_rcb_prod_idx; + struct tg3_rx_prodring_set prodring; + struct tg3_rx_buffer_desc *rx_rcb; ++ unsigned long rx_dropped; + + u32 tx_prod ____cacheline_aligned; + u32 tx_cons; +@@ -3026,6 +3027,7 @@ struct tg3_napi { + u32 prodmbox; + struct tg3_tx_buffer_desc *tx_ring; + struct tg3_tx_ring_info *tx_buffers; ++ unsigned long tx_dropped; + + dma_addr_t status_mapping; + dma_addr_t rx_rcb_mapping; +@@ -3219,8 +3221,6 @@ struct tg3 { + + + /* begin "everything else" cacheline(s) section */ +- unsigned long rx_dropped; +- unsigned long tx_dropped; + struct rtnl_link_stats64 net_stats_prev; + struct tg3_ethtool_stats estats_prev; + +diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +index 4a448138b4ec1..1f44a6463f45b 100644 +--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c ++++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +@@ -66,6 +66,27 @@ static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb) + } + } + ++static u32 hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv) ++{ ++#define HNS_MAC_LINK_WAIT_TIME 5 ++#define HNS_MAC_LINK_WAIT_CNT 40 ++ ++ u32 link_status = 0; ++ int i; ++ ++ if (!mac_ctrl_drv->get_link_status) ++ return link_status; ++ ++ for (i = 0; i < HNS_MAC_LINK_WAIT_CNT; i++) { ++ msleep(HNS_MAC_LINK_WAIT_TIME); ++ mac_ctrl_drv->get_link_status(mac_ctrl_drv, &link_status); ++ if (!link_status) ++ break; ++ } ++ ++ return link_status; ++} ++ + void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status) + { + struct mac_driver *mac_ctrl_drv; +@@ -83,6 +104,14 @@ void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status) + &sfp_prsnt); + if (!ret) + *link_status = *link_status && sfp_prsnt; ++ ++ /* for FIBER port, it may have a fake link up. ++ * when the link status changes from down to up, we need to do ++ * anti-shake. the anti-shake time is base on tests. ++ * only FIBER port need to do this. ++ */ ++ if (*link_status && !mac_cb->link) ++ *link_status = hns_mac_link_anti_shake(mac_ctrl_drv); + } + + mac_cb->link = *link_status; +diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c +index 64e1f6f407b48..36e387ae967f7 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_main.c ++++ b/drivers/net/ethernet/intel/i40e/i40e_main.c +@@ -15480,7 +15480,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + I40E_PRTGL_SAH_MFS_MASK) >> I40E_PRTGL_SAH_MFS_SHIFT; + if (val < MAX_FRAME_SIZE_DEFAULT) + dev_warn(&pdev->dev, "MFS for port %x has been set below the default: %x\n", +- i, val); ++ pf->hw.port, val); + + /* Add a filter to drop all Flow control frames from any VSI from being + * transmitted. By doing so we stop a malicious VF from sending out +diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +index c6d408de06050..fc4ca8246df24 100644 +--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c ++++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +@@ -254,9 +254,12 @@ static void otx2_get_pauseparam(struct net_device *netdev, + if (is_otx2_lbkvf(pfvf->pdev)) + return; + ++ mutex_lock(&pfvf->mbox.lock); + req = otx2_mbox_alloc_msg_cgx_cfg_pause_frm(&pfvf->mbox); +- if (!req) ++ if (!req) { ++ mutex_unlock(&pfvf->mbox.lock); + return; ++ } + + if (!otx2_sync_mbox_msg(&pfvf->mbox)) { + rsp = (struct cgx_pause_frm_cfg *) +@@ -264,6 +267,7 @@ static void otx2_get_pauseparam(struct net_device *netdev, + pause->rx_pause = rsp->rx_pause; + pause->tx_pause = rsp->tx_pause; + } ++ mutex_unlock(&pfvf->mbox.lock); + } + + static int otx2_set_pauseparam(struct net_device *netdev, +diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h +index 6c243b17312c7..64d27e8e07725 100644 +--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h ++++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h +@@ -191,7 +191,7 @@ struct ionic_desc_info { + void *cb_arg; + }; + +-#define IONIC_QUEUE_NAME_MAX_SZ 32 ++#define IONIC_QUEUE_NAME_MAX_SZ 16 + + struct ionic_queue { + struct device *dev; +diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c +index 098772601df8c..49c28134ac2cc 100644 +--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c ++++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c +@@ -45,24 +45,24 @@ static void ionic_lif_queue_identify(struct ionic_lif *lif); + static void ionic_dim_work(struct work_struct *work) + { + struct dim *dim = container_of(work, struct dim, work); ++ struct ionic_intr_info *intr; + struct dim_cq_moder cur_moder; + struct ionic_qcq *qcq; ++ struct ionic_lif *lif; + u32 new_coal; + + cur_moder = net_dim_get_rx_moderation(dim->mode, dim->profile_ix); + qcq = container_of(dim, struct ionic_qcq, dim); +- new_coal = ionic_coal_usec_to_hw(qcq->q.lif->ionic, cur_moder.usec); ++ lif = qcq->q.lif; ++ new_coal = ionic_coal_usec_to_hw(lif->ionic, cur_moder.usec); + new_coal = new_coal ? new_coal : 1; + +- if (qcq->intr.dim_coal_hw != new_coal) { +- unsigned int qi = qcq->cq.bound_q->index; +- struct ionic_lif *lif = qcq->q.lif; +- +- qcq->intr.dim_coal_hw = new_coal; ++ intr = &qcq->intr; ++ if (intr->dim_coal_hw != new_coal) { ++ intr->dim_coal_hw = new_coal; + + ionic_intr_coal_init(lif->ionic->idev.intr_ctrl, +- lif->rxqcqs[qi]->intr.index, +- qcq->intr.dim_coal_hw); ++ intr->index, intr->dim_coal_hw); + } + + dim->state = DIM_START_MEASURE; +diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c +index 88253cedd9d96..c72ff0fd38c42 100644 +--- a/drivers/net/ethernet/realtek/r8169_main.c ++++ b/drivers/net/ethernet/realtek/r8169_main.c +@@ -205,6 +205,7 @@ enum rtl_registers { + /* No threshold before first PCI xfer */ + #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT) + #define RX_EARLY_OFF (1 << 11) ++#define RX_PAUSE_SLOT_ON (1 << 11) /* 8125b and later */ + #define RXCFG_DMA_SHIFT 8 + /* Unlimited maximum PCI burst. */ + #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT) +@@ -2318,9 +2319,13 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp) + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_52: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; +- case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_63: ++ case RTL_GIGA_MAC_VER_61: + RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST); + break; ++ case RTL_GIGA_MAC_VER_63: ++ RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST | ++ RX_PAUSE_SLOT_ON); ++ break; + default: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST); + break; +diff --git a/drivers/net/hyperv/Kconfig b/drivers/net/hyperv/Kconfig +index ca7bf7f897d36..c8cbd85adcf99 100644 +--- a/drivers/net/hyperv/Kconfig ++++ b/drivers/net/hyperv/Kconfig +@@ -3,5 +3,6 @@ config HYPERV_NET + tristate "Microsoft Hyper-V virtual network driver" + depends on HYPERV + select UCS2_STRING ++ select NLS + help + Select this option to enable the Hyper-V virtual network driver. +diff --git a/drivers/of/base.c b/drivers/of/base.c +index a44a0e7ba2510..eb02974f36bdb 100644 +--- a/drivers/of/base.c ++++ b/drivers/of/base.c +@@ -244,7 +244,7 @@ struct device_node *__of_find_all_nodes(struct device_node *prev) + * @prev: Previous node or NULL to start iteration + * of_node_put() will be called on it + * +- * Returns a node pointer with refcount incremented, use ++ * Return: A node pointer with refcount incremented, use + * of_node_put() on it when done. + */ + struct device_node *of_find_all_nodes(struct device_node *prev) +@@ -305,7 +305,7 @@ bool __weak arch_match_cpu_phys_id(int cpu, u64 phys_id) + return (u32)phys_id == cpu; + } + +-/** ++/* + * Checks if the given "prop_name" property holds the physical id of the + * core/thread corresponding to the logical cpu 'cpu'. If 'thread' is not + * NULL, local thread number within the core is returned in it. +@@ -374,7 +374,7 @@ bool __weak arch_find_n_match_cpu_physical_id(struct device_node *cpun, + * before booting secondary cores. This function uses arch_match_cpu_phys_id + * which can be overridden by architecture specific implementation. + * +- * Returns a node pointer for the logical cpu with refcount incremented, use ++ * Return: A node pointer for the logical cpu with refcount incremented, use + * of_node_put() on it when done. Returns NULL if not found. + */ + struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) +@@ -394,8 +394,8 @@ EXPORT_SYMBOL(of_get_cpu_node); + * + * @cpu_node: Pointer to the device_node for CPU. + * +- * Returns the logical CPU number of the given CPU device_node. +- * Returns -ENODEV if the CPU is not found. ++ * Return: The logical CPU number of the given CPU device_node or -ENODEV if the ++ * CPU is not found. + */ + int of_cpu_node_to_id(struct device_node *cpu_node) + { +@@ -427,7 +427,7 @@ EXPORT_SYMBOL(of_cpu_node_to_id); + * bindings. This function check for both and returns the idle state node for + * the requested index. + * +- * In case an idle state node is found at @index, the refcount is incremented ++ * Return: An idle state node if found at @index. The refcount is incremented + * for it, so call of_node_put() on it when done. Returns NULL if not found. + */ + struct device_node *of_get_cpu_state_node(struct device_node *cpu_node, +@@ -561,7 +561,7 @@ int of_device_compatible_match(struct device_node *device, + * of_machine_is_compatible - Test root of device tree for a given compatible value + * @compat: compatible string to look for in root node's compatible property. + * +- * Returns a positive integer if the root node has the given value in its ++ * Return: A positive integer if the root node has the given value in its + * compatible property. + */ + int of_machine_is_compatible(const char *compat) +@@ -583,7 +583,7 @@ EXPORT_SYMBOL(of_machine_is_compatible); + * + * @device: Node to check for availability, with locks already held + * +- * Returns true if the status property is absent or set to "okay" or "ok", ++ * Return: True if the status property is absent or set to "okay" or "ok", + * false otherwise + */ + static bool __of_device_is_available(const struct device_node *device) +@@ -611,7 +611,7 @@ static bool __of_device_is_available(const struct device_node *device) + * + * @device: Node to check for availability + * +- * Returns true if the status property is absent or set to "okay" or "ok", ++ * Return: True if the status property is absent or set to "okay" or "ok", + * false otherwise + */ + bool of_device_is_available(const struct device_node *device) +@@ -632,7 +632,7 @@ EXPORT_SYMBOL(of_device_is_available); + * + * @device: Node to check for endianness + * +- * Returns true if the device has a "big-endian" property, or if the kernel ++ * Return: True if the device has a "big-endian" property, or if the kernel + * was compiled for BE *and* the device has a "native-endian" property. + * Returns false otherwise. + * +@@ -651,11 +651,11 @@ bool of_device_is_big_endian(const struct device_node *device) + EXPORT_SYMBOL(of_device_is_big_endian); + + /** +- * of_get_parent - Get a node's parent if any +- * @node: Node to get parent ++ * of_get_parent - Get a node's parent if any ++ * @node: Node to get parent + * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_get_parent(const struct device_node *node) + { +@@ -673,15 +673,15 @@ struct device_node *of_get_parent(const struct device_node *node) + EXPORT_SYMBOL(of_get_parent); + + /** +- * of_get_next_parent - Iterate to a node's parent +- * @node: Node to get parent of ++ * of_get_next_parent - Iterate to a node's parent ++ * @node: Node to get parent of + * +- * This is like of_get_parent() except that it drops the +- * refcount on the passed node, making it suitable for iterating +- * through a node's parents. ++ * This is like of_get_parent() except that it drops the ++ * refcount on the passed node, making it suitable for iterating ++ * through a node's parents. + * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_get_next_parent(struct device_node *node) + { +@@ -719,13 +719,13 @@ static struct device_node *__of_get_next_child(const struct device_node *node, + child = __of_get_next_child(parent, child)) + + /** +- * of_get_next_child - Iterate a node childs +- * @node: parent node +- * @prev: previous child of the parent node, or NULL to get first ++ * of_get_next_child - Iterate a node childs ++ * @node: parent node ++ * @prev: previous child of the parent node, or NULL to get first + * +- * Returns a node pointer with refcount incremented, use of_node_put() on +- * it when done. Returns NULL when prev is the last child. Decrements the +- * refcount of prev. ++ * Return: A node pointer with refcount incremented, use of_node_put() on ++ * it when done. Returns NULL when prev is the last child. Decrements the ++ * refcount of prev. + */ + struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev) +@@ -741,12 +741,12 @@ struct device_node *of_get_next_child(const struct device_node *node, + EXPORT_SYMBOL(of_get_next_child); + + /** +- * of_get_next_available_child - Find the next available child node +- * @node: parent node +- * @prev: previous child of the parent node, or NULL to get first ++ * of_get_next_available_child - Find the next available child node ++ * @node: parent node ++ * @prev: previous child of the parent node, or NULL to get first + * +- * This function is like of_get_next_child(), except that it +- * automatically skips any disabled nodes (i.e. status = "disabled"). ++ * This function is like of_get_next_child(), except that it ++ * automatically skips any disabled nodes (i.e. status = "disabled"). + */ + struct device_node *of_get_next_available_child(const struct device_node *node, + struct device_node *prev) +@@ -772,12 +772,12 @@ struct device_node *of_get_next_available_child(const struct device_node *node, + EXPORT_SYMBOL(of_get_next_available_child); + + /** +- * of_get_next_cpu_node - Iterate on cpu nodes +- * @prev: previous child of the /cpus node, or NULL to get first ++ * of_get_next_cpu_node - Iterate on cpu nodes ++ * @prev: previous child of the /cpus node, or NULL to get first + * +- * Returns a cpu node pointer with refcount incremented, use of_node_put() +- * on it when done. Returns NULL when prev is the last child. Decrements +- * the refcount of prev. ++ * Return: A cpu node pointer with refcount incremented, use of_node_put() ++ * on it when done. Returns NULL when prev is the last child. Decrements ++ * the refcount of prev. + */ + struct device_node *of_get_next_cpu_node(struct device_node *prev) + { +@@ -816,7 +816,7 @@ EXPORT_SYMBOL(of_get_next_cpu_node); + * Lookup child node whose compatible property contains the given compatible + * string. + * +- * Returns a node pointer with refcount incremented, use of_node_put() on it ++ * Return: a node pointer with refcount incremented, use of_node_put() on it + * when done; or NULL if not found. + */ + struct device_node *of_get_compatible_child(const struct device_node *parent, +@@ -834,15 +834,15 @@ struct device_node *of_get_compatible_child(const struct device_node *parent, + EXPORT_SYMBOL(of_get_compatible_child); + + /** +- * of_get_child_by_name - Find the child node by name for a given parent +- * @node: parent node +- * @name: child name to look for. ++ * of_get_child_by_name - Find the child node by name for a given parent ++ * @node: parent node ++ * @name: child name to look for. + * +- * This function looks for child node for given matching name ++ * This function looks for child node for given matching name + * +- * Returns a node pointer if found, with refcount incremented, use +- * of_node_put() on it when done. +- * Returns NULL if node is not found. ++ * Return: A node pointer if found, with refcount incremented, use ++ * of_node_put() on it when done. ++ * Returns NULL if node is not found. + */ + struct device_node *of_get_child_by_name(const struct device_node *node, + const char *name) +@@ -893,22 +893,22 @@ struct device_node *__of_find_node_by_full_path(struct device_node *node, + } + + /** +- * of_find_node_opts_by_path - Find a node matching a full OF path +- * @path: Either the full path to match, or if the path does not +- * start with '/', the name of a property of the /aliases +- * node (an alias). In the case of an alias, the node +- * matching the alias' value will be returned. +- * @opts: Address of a pointer into which to store the start of +- * an options string appended to the end of the path with +- * a ':' separator. +- * +- * Valid paths: +- * /foo/bar Full path +- * foo Valid alias +- * foo/bar Valid alias + relative path +- * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * of_find_node_opts_by_path - Find a node matching a full OF path ++ * @path: Either the full path to match, or if the path does not ++ * start with '/', the name of a property of the /aliases ++ * node (an alias). In the case of an alias, the node ++ * matching the alias' value will be returned. ++ * @opts: Address of a pointer into which to store the start of ++ * an options string appended to the end of the path with ++ * a ':' separator. ++ * ++ * Valid paths: ++ * * /foo/bar Full path ++ * * foo Valid alias ++ * * foo/bar Valid alias + relative path ++ * ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_find_node_opts_by_path(const char *path, const char **opts) + { +@@ -958,15 +958,15 @@ struct device_node *of_find_node_opts_by_path(const char *path, const char **opt + EXPORT_SYMBOL(of_find_node_opts_by_path); + + /** +- * of_find_node_by_name - Find a node by its "name" property +- * @from: The node to start searching from or NULL; the node ++ * of_find_node_by_name - Find a node by its "name" property ++ * @from: The node to start searching from or NULL; the node + * you pass will not be searched, only the next one + * will. Typically, you pass what the previous call + * returned. of_node_put() will be called on @from. +- * @name: The name string to match against ++ * @name: The name string to match against + * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_find_node_by_name(struct device_node *from, + const char *name) +@@ -985,16 +985,16 @@ struct device_node *of_find_node_by_name(struct device_node *from, + EXPORT_SYMBOL(of_find_node_by_name); + + /** +- * of_find_node_by_type - Find a node by its "device_type" property +- * @from: The node to start searching from, or NULL to start searching ++ * of_find_node_by_type - Find a node by its "device_type" property ++ * @from: The node to start searching from, or NULL to start searching + * the entire device tree. The node you pass will not be + * searched, only the next one will; typically, you pass + * what the previous call returned. of_node_put() will be + * called on from for you. +- * @type: The type string to match against ++ * @type: The type string to match against + * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_find_node_by_type(struct device_node *from, + const char *type) +@@ -1013,18 +1013,18 @@ struct device_node *of_find_node_by_type(struct device_node *from, + EXPORT_SYMBOL(of_find_node_by_type); + + /** +- * of_find_compatible_node - Find a node based on type and one of the ++ * of_find_compatible_node - Find a node based on type and one of the + * tokens in its "compatible" property +- * @from: The node to start searching from or NULL, the node +- * you pass will not be searched, only the next one +- * will; typically, you pass what the previous call +- * returned. of_node_put() will be called on it +- * @type: The type string to match "device_type" or NULL to ignore +- * @compatible: The string to match to one of the tokens in the device +- * "compatible" list. +- * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * @from: The node to start searching from or NULL, the node ++ * you pass will not be searched, only the next one ++ * will; typically, you pass what the previous call ++ * returned. of_node_put() will be called on it ++ * @type: The type string to match "device_type" or NULL to ignore ++ * @compatible: The string to match to one of the tokens in the device ++ * "compatible" list. ++ * ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_find_compatible_node(struct device_node *from, + const char *type, const char *compatible) +@@ -1044,16 +1044,16 @@ struct device_node *of_find_compatible_node(struct device_node *from, + EXPORT_SYMBOL(of_find_compatible_node); + + /** +- * of_find_node_with_property - Find a node which has a property with +- * the given name. +- * @from: The node to start searching from or NULL, the node +- * you pass will not be searched, only the next one +- * will; typically, you pass what the previous call +- * returned. of_node_put() will be called on it +- * @prop_name: The name of the property to look for. +- * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * of_find_node_with_property - Find a node which has a property with ++ * the given name. ++ * @from: The node to start searching from or NULL, the node ++ * you pass will not be searched, only the next one ++ * will; typically, you pass what the previous call ++ * returned. of_node_put() will be called on it ++ * @prop_name: The name of the property to look for. ++ * ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_find_node_with_property(struct device_node *from, + const char *prop_name) +@@ -1102,10 +1102,10 @@ const struct of_device_id *__of_match_node(const struct of_device_id *matches, + + /** + * of_match_node - Tell if a device_node has a matching of_match structure +- * @matches: array of of device match structures to search in +- * @node: the of device structure to match against ++ * @matches: array of of device match structures to search in ++ * @node: the of device structure to match against + * +- * Low level utility function used by device matching. ++ * Low level utility function used by device matching. + */ + const struct of_device_id *of_match_node(const struct of_device_id *matches, + const struct device_node *node) +@@ -1121,17 +1121,17 @@ const struct of_device_id *of_match_node(const struct of_device_id *matches, + EXPORT_SYMBOL(of_match_node); + + /** +- * of_find_matching_node_and_match - Find a node based on an of_device_id +- * match table. +- * @from: The node to start searching from or NULL, the node +- * you pass will not be searched, only the next one +- * will; typically, you pass what the previous call +- * returned. of_node_put() will be called on it +- * @matches: array of of device match structures to search in +- * @match Updated to point at the matches entry which matched +- * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. ++ * of_find_matching_node_and_match - Find a node based on an of_device_id ++ * match table. ++ * @from: The node to start searching from or NULL, the node ++ * you pass will not be searched, only the next one ++ * will; typically, you pass what the previous call ++ * returned. of_node_put() will be called on it ++ * @matches: array of of device match structures to search in ++ * @match: Updated to point at the matches entry which matched ++ * ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. + */ + struct device_node *of_find_matching_node_and_match(struct device_node *from, + const struct of_device_id *matches, +@@ -1170,7 +1170,7 @@ EXPORT_SYMBOL(of_find_matching_node_and_match); + * It does this by stripping the manufacturer prefix (as delimited by a ',') + * from the first entry in the compatible list property. + * +- * This routine returns 0 on success, <0 on failure. ++ * Return: This routine returns 0 on success, <0 on failure. + */ + int of_modalias_node(struct device_node *node, char *modalias, int len) + { +@@ -1190,7 +1190,7 @@ EXPORT_SYMBOL_GPL(of_modalias_node); + * of_find_node_by_phandle - Find a node given a phandle + * @handle: phandle of the node to find + * +- * Returns a node pointer with refcount incremented, use ++ * Return: A node pointer with refcount incremented, use + * of_node_put() on it when done. + */ + struct device_node *of_find_node_by_phandle(phandle handle) +@@ -1431,7 +1431,7 @@ static int __of_parse_phandle_with_args(const struct device_node *np, + * @index: For properties holding a table of phandles, this is the index into + * the table + * +- * Returns the device_node pointer with refcount incremented. Use ++ * Return: The device_node pointer with refcount incremented. Use + * of_node_put() on it when done. + */ + struct device_node *of_parse_phandle(const struct device_node *np, +@@ -1465,21 +1465,21 @@ EXPORT_SYMBOL(of_parse_phandle); + * Caller is responsible to call of_node_put() on the returned out_args->np + * pointer. + * +- * Example: ++ * Example:: + * +- * phandle1: node1 { ++ * phandle1: node1 { + * #list-cells = <2>; +- * } ++ * }; + * +- * phandle2: node2 { ++ * phandle2: node2 { + * #list-cells = <1>; +- * } ++ * }; + * +- * node3 { ++ * node3 { + * list = <&phandle1 1 2 &phandle2 3>; +- * } ++ * }; + * +- * To get a device_node of the `node2' node you may call this: ++ * To get a device_node of the ``node2`` node you may call this: + * of_parse_phandle_with_args(node3, "list", "#list-cells", 1, &args); + */ + int of_parse_phandle_with_args(const struct device_node *np, const char *list_name, +@@ -1517,29 +1517,29 @@ EXPORT_SYMBOL(of_parse_phandle_with_args); + * Caller is responsible to call of_node_put() on the returned out_args->np + * pointer. + * +- * Example: ++ * Example:: + * +- * phandle1: node1 { +- * #list-cells = <2>; +- * } ++ * phandle1: node1 { ++ * #list-cells = <2>; ++ * }; + * +- * phandle2: node2 { +- * #list-cells = <1>; +- * } ++ * phandle2: node2 { ++ * #list-cells = <1>; ++ * }; + * +- * phandle3: node3 { +- * #list-cells = <1>; +- * list-map = <0 &phandle2 3>, +- * <1 &phandle2 2>, +- * <2 &phandle1 5 1>; +- * list-map-mask = <0x3>; +- * }; ++ * phandle3: node3 { ++ * #list-cells = <1>; ++ * list-map = <0 &phandle2 3>, ++ * <1 &phandle2 2>, ++ * <2 &phandle1 5 1>; ++ * list-map-mask = <0x3>; ++ * }; + * +- * node4 { +- * list = <&phandle1 1 2 &phandle3 0>; +- * } ++ * node4 { ++ * list = <&phandle1 1 2 &phandle3 0>; ++ * }; + * +- * To get a device_node of the `node2' node you may call this: ++ * To get a device_node of the ``node2`` node you may call this: + * of_parse_phandle_with_args(node4, "list", "list", 1, &args); + */ + int of_parse_phandle_with_args_map(const struct device_node *np, +@@ -1699,19 +1699,19 @@ EXPORT_SYMBOL(of_parse_phandle_with_args_map); + * Caller is responsible to call of_node_put() on the returned out_args->np + * pointer. + * +- * Example: ++ * Example:: + * +- * phandle1: node1 { +- * } ++ * phandle1: node1 { ++ * }; + * +- * phandle2: node2 { +- * } ++ * phandle2: node2 { ++ * }; + * +- * node3 { +- * list = <&phandle1 0 2 &phandle2 2 3>; +- * } ++ * node3 { ++ * list = <&phandle1 0 2 &phandle2 2 3>; ++ * }; + * +- * To get a device_node of the `node2' node you may call this: ++ * To get a device_node of the ``node2`` node you may call this: + * of_parse_phandle_with_fixed_args(node3, "list", 2, 1, &args); + */ + int of_parse_phandle_with_fixed_args(const struct device_node *np, +@@ -1731,7 +1731,7 @@ EXPORT_SYMBOL(of_parse_phandle_with_fixed_args); + * @list_name: property name that contains a list + * @cells_name: property name that specifies phandles' arguments count + * +- * Returns the number of phandle + argument tuples within a property. It ++ * Return: The number of phandle + argument tuples within a property. It + * is a typical pattern to encode a list of phandle and variable + * arguments into a single property. The number of arguments is encoded + * by a property in the phandle-target node. For example, a gpios +@@ -1779,6 +1779,8 @@ EXPORT_SYMBOL(of_count_phandle_with_args); + + /** + * __of_add_property - Add a property to a node without lock operations ++ * @np: Caller's Device Node ++ * @prob: Property to add + */ + int __of_add_property(struct device_node *np, struct property *prop) + { +@@ -1800,6 +1802,8 @@ int __of_add_property(struct device_node *np, struct property *prop) + + /** + * of_add_property - Add a property to a node ++ * @np: Caller's Device Node ++ * @prob: Property to add + */ + int of_add_property(struct device_node *np, struct property *prop) + { +@@ -1844,6 +1848,8 @@ int __of_remove_property(struct device_node *np, struct property *prop) + + /** + * of_remove_property - Remove a property from a node. ++ * @np: Caller's Device Node ++ * @prob: Property to remove + * + * Note that we don't actually remove it, since we have given out + * who-knows-how-many pointers to the data using get-property. +@@ -1951,13 +1957,12 @@ static void of_alias_add(struct alias_prop *ap, struct device_node *np, + + /** + * of_alias_scan - Scan all properties of the 'aliases' node ++ * @dt_alloc: An allocator that provides a virtual address to memory ++ * for storing the resulting tree + * + * The function scans all the properties of the 'aliases' node and populates + * the global lookup table with the properties. It returns the + * number of alias properties found, or an error code in case of failure. +- * +- * @dt_alloc: An allocator that provides a virtual address to memory +- * for storing the resulting tree + */ + void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) + { +@@ -2026,7 +2031,9 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) + * @stem: Alias stem of the given device_node + * + * The function travels the lookup table to get the alias id for the given +- * device_node and alias stem. It returns the alias id if found. ++ * device_node and alias stem. ++ * ++ * Return: The alias id if found. + */ + int of_alias_get_id(struct device_node *np, const char *stem) + { +@@ -2130,13 +2137,14 @@ EXPORT_SYMBOL_GPL(of_alias_get_highest_id); + + /** + * of_console_check() - Test and setup console for DT setup +- * @dn - Pointer to device node +- * @name - Name to use for preferred console without index. ex. "ttyS" +- * @index - Index to use for preferred console. ++ * @dn: Pointer to device node ++ * @name: Name to use for preferred console without index. ex. "ttyS" ++ * @index: Index to use for preferred console. + * + * Check if the given device node matches the stdout-path property in the +- * /chosen node. If it does then register it as the preferred console and return +- * TRUE. Otherwise return FALSE. ++ * /chosen node. If it does then register it as the preferred console. ++ * ++ * Return: TRUE if console successfully setup. Otherwise return FALSE. + */ + bool of_console_check(struct device_node *dn, char *name, int index) + { +@@ -2152,12 +2160,12 @@ bool of_console_check(struct device_node *dn, char *name, int index) + EXPORT_SYMBOL_GPL(of_console_check); + + /** +- * of_find_next_cache_node - Find a node's subsidiary cache +- * @np: node of type "cpu" or "cache" ++ * of_find_next_cache_node - Find a node's subsidiary cache ++ * @np: node of type "cpu" or "cache" + * +- * Returns a node pointer with refcount incremented, use +- * of_node_put() on it when done. Caller should hold a reference +- * to np. ++ * Return: A node pointer with refcount incremented, use ++ * of_node_put() on it when done. Caller should hold a reference ++ * to np. + */ + struct device_node *of_find_next_cache_node(const struct device_node *np) + { +@@ -2187,7 +2195,7 @@ struct device_node *of_find_next_cache_node(const struct device_node *np) + * + * @cpu: cpu number(logical index) for which the last cache level is needed + * +- * Returns the the level at which the last cache is present. It is exactly ++ * Return: The the level at which the last cache is present. It is exactly + * same as the total number of cache levels for the given logical cpu. + */ + int of_find_last_cache_level(unsigned int cpu) +diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c +index 7d0232af9c23d..b6a3ee65437b9 100644 +--- a/drivers/of/dynamic.c ++++ b/drivers/of/dynamic.c +@@ -27,7 +27,7 @@ static struct device_node *kobj_to_device_node(struct kobject *kobj) + * @node: Node to inc refcount, NULL is supported to simplify writing of + * callers + * +- * Returns node. ++ * Return: The node with refcount incremented. + */ + struct device_node *of_node_get(struct device_node *node) + { +@@ -103,8 +103,10 @@ int of_reconfig_notify(unsigned long action, struct of_reconfig_data *p) + * @arg - argument of the of notifier + * + * Returns the new state of a device based on the notifier used. +- * Returns 0 on device going from enabled to disabled, 1 on device +- * going from disabled to enabled and -1 on no change. ++ * ++ * Return: OF_RECONFIG_CHANGE_REMOVE on device going from enabled to ++ * disabled, OF_RECONFIG_CHANGE_ADD on device going from disabled to ++ * enabled and OF_RECONFIG_NO_CHANGE on no change. + */ + int of_reconfig_get_state_change(unsigned long action, struct of_reconfig_data *pr) + { +@@ -370,7 +372,8 @@ void of_node_release(struct kobject *kobj) + * property structure and the property name & contents. The property's + * flags have the OF_DYNAMIC bit set so that we can differentiate between + * dynamically allocated properties and not. +- * Returns the newly allocated property or NULL on out of memory error. ++ * ++ * Return: The newly allocated property or NULL on out of memory error. + */ + struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags) + { +@@ -413,7 +416,7 @@ struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags) + * another node. The node data are dynamically allocated and all the node + * flags have the OF_DYNAMIC & OF_DETACHED bits set. + * +- * Returns the newly allocated node or NULL on out of memory error. ++ * Return: The newly allocated node or NULL on out of memory error. + */ + struct device_node *__of_node_dup(const struct device_node *np, + const char *full_name) +@@ -764,7 +767,8 @@ static int __of_changeset_apply(struct of_changeset *ocs) + * Any side-effects of live tree state changes are applied here on + * success, like creation/destruction of devices and side-effects + * like creation of sysfs properties and directories. +- * Returns 0 on success, a negative error value in case of an error. ++ * ++ * Return: 0 on success, a negative error value in case of an error. + * On error the partially applied effects are reverted. + */ + int of_changeset_apply(struct of_changeset *ocs) +@@ -858,7 +862,8 @@ static int __of_changeset_revert(struct of_changeset *ocs) + * was before the application. + * Any side-effects like creation/destruction of devices and + * removal of sysfs properties and directories are applied. +- * Returns 0 on success, a negative error value in case of an error. ++ * ++ * Return: 0 on success, a negative error value in case of an error. + */ + int of_changeset_revert(struct of_changeset *ocs) + { +@@ -886,7 +891,8 @@ EXPORT_SYMBOL_GPL(of_changeset_revert); + * + OF_RECONFIG_ADD_PROPERTY + * + OF_RECONFIG_REMOVE_PROPERTY, + * + OF_RECONFIG_UPDATE_PROPERTY +- * Returns 0 on success, a negative error value in case of an error. ++ * ++ * Return: 0 on success, a negative error value in case of an error. + */ + int of_changeset_action(struct of_changeset *ocs, unsigned long action, + struct device_node *np, struct property *prop) +diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c +index 5a1b8688b4605..384510d0200cd 100644 +--- a/drivers/of/fdt.c ++++ b/drivers/of/fdt.c +@@ -282,7 +282,7 @@ static void reverse_nodes(struct device_node *parent) + * @dad: Parent struct device_node + * @nodepp: The device_node tree created by the call + * +- * It returns the size of unflattened device tree or error code ++ * Return: The size of unflattened device tree or error code + */ + static int unflatten_dt_nodes(const void *blob, + void *mem, +@@ -349,11 +349,6 @@ static int unflatten_dt_nodes(const void *blob, + + /** + * __unflatten_device_tree - create tree of device_nodes from flat blob +- * +- * unflattens a device-tree, creating the +- * tree of struct device_node. It also fills the "name" and "type" +- * pointers of the nodes so the normal device-tree walking functions +- * can be used. + * @blob: The blob to expand + * @dad: Parent device node + * @mynodes: The device_node tree created by the call +@@ -361,7 +356,11 @@ static int unflatten_dt_nodes(const void *blob, + * for the resulting tree + * @detached: if true set OF_DETACHED on @mynodes + * +- * Returns NULL on failure or the memory chunk containing the unflattened ++ * unflattens a device-tree, creating the tree of struct device_node. It also ++ * fills the "name" and "type" pointers of the nodes so the normal device-tree ++ * walking functions can be used. ++ * ++ * Return: NULL on failure or the memory chunk containing the unflattened + * device tree on success. + */ + void *__unflatten_device_tree(const void *blob, +@@ -442,7 +441,7 @@ static DEFINE_MUTEX(of_fdt_unflatten_mutex); + * pointers of the nodes so the normal device-tree walking functions + * can be used. + * +- * Returns NULL on failure or the memory chunk containing the unflattened ++ * Return: NULL on failure or the memory chunk containing the unflattened + * device tree on success. + */ + void *of_fdt_unflatten_tree(const unsigned long *blob, +@@ -716,7 +715,7 @@ const void *__init of_get_flat_dt_prop(unsigned long node, const char *name, + * @node: node to test + * @compat: compatible string to compare with compatible list. + * +- * On match, returns a non-zero value with smaller values returned for more ++ * Return: a non-zero value on match with smaller values returned for more + * specific compatible values. + */ + static int of_fdt_is_compatible(const void *blob, +diff --git a/drivers/of/irq.c b/drivers/of/irq.c +index 25d17b8a1a1aa..352e14b007e78 100644 +--- a/drivers/of/irq.c ++++ b/drivers/of/irq.c +@@ -48,7 +48,7 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map); + * of_irq_find_parent - Given a device node, find its interrupt parent node + * @child: pointer to device node + * +- * Returns a pointer to the interrupt parent node, or NULL if the interrupt ++ * Return: A pointer to the interrupt parent node, or NULL if the interrupt + * parent could not be determined. + */ + struct device_node *of_irq_find_parent(struct device_node *child) +@@ -81,14 +81,14 @@ EXPORT_SYMBOL_GPL(of_irq_find_parent); + * @addr: address specifier (start of "reg" property of the device) in be32 format + * @out_irq: structure of_phandle_args updated by this function + * +- * Returns 0 on success and a negative number on error +- * + * This function is a low-level interrupt tree walking function. It + * can be used to do a partial walk with synthetized reg and interrupts + * properties, for example when resolving PCI interrupts when no device + * node exist for the parent. It takes an interrupt specifier structure as + * input, walks the tree looking for any interrupt-map properties, translates + * the specifier for each map, and then returns the translated map. ++ * ++ * Return: 0 on success and a negative number on error + */ + int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq) + { +@@ -380,7 +380,7 @@ EXPORT_SYMBOL_GPL(of_irq_to_resource); + * @dev: pointer to device tree node + * @index: zero-based index of the IRQ + * +- * Returns Linux IRQ number on success, or 0 on the IRQ mapping failure, or ++ * Return: Linux IRQ number on success, or 0 on the IRQ mapping failure, or + * -EPROBE_DEFER if the IRQ domain is not yet created, or error code in case + * of any other failure. + */ +@@ -407,7 +407,7 @@ EXPORT_SYMBOL_GPL(of_irq_get); + * @dev: pointer to device tree node + * @name: IRQ name + * +- * Returns Linux IRQ number on success, or 0 on the IRQ mapping failure, or ++ * Return: Linux IRQ number on success, or 0 on the IRQ mapping failure, or + * -EPROBE_DEFER if the IRQ domain is not yet created, or error code in case + * of any other failure. + */ +@@ -447,7 +447,7 @@ int of_irq_count(struct device_node *dev) + * @res: array of resources to fill in + * @nr_irqs: the number of IRQs (and upper bound for num of @res elements) + * +- * Returns the size of the filled in table (up to @nr_irqs). ++ * Return: The size of the filled in table (up to @nr_irqs). + */ + int of_irq_to_resource_table(struct device_node *dev, struct resource *res, + int nr_irqs) +@@ -602,7 +602,7 @@ static u32 __of_msi_map_id(struct device *dev, struct device_node **np, + * Walk up the device hierarchy looking for devices with a "msi-map" + * property. If found, apply the mapping to @id_in. + * +- * Returns the mapped MSI ID. ++ * Return: The mapped MSI ID. + */ + u32 of_msi_map_id(struct device *dev, struct device_node *msi_np, u32 id_in) + { +diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c +index 67b404f36e79c..3ac874e2be080 100644 +--- a/drivers/of/overlay.c ++++ b/drivers/of/overlay.c +@@ -296,7 +296,7 @@ err_free_target_path: + * + * Update of property in symbols node is not allowed. + * +- * Returns 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if ++ * Return: 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if + * invalid @overlay. + */ + static int add_changeset_property(struct overlay_changeset *ovcs, +@@ -401,7 +401,7 @@ static int add_changeset_property(struct overlay_changeset *ovcs, + * + * NOTE_2: Multiple mods of created nodes not supported. + * +- * Returns 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if ++ * Return: 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if + * invalid @overlay. + */ + static int add_changeset_node(struct overlay_changeset *ovcs, +@@ -473,7 +473,7 @@ static int add_changeset_node(struct overlay_changeset *ovcs, + * + * Do not allow symbols node to have any children. + * +- * Returns 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if ++ * Return: 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if + * invalid @overlay_node. + */ + static int build_changeset_next_level(struct overlay_changeset *ovcs, +@@ -604,7 +604,7 @@ static int find_dup_cset_prop(struct overlay_changeset *ovcs, + * the same node or duplicate {add, delete, or update} properties entries + * for the same property. + * +- * Returns 0 on success, or -EINVAL if duplicate changeset entry found. ++ * Return: 0 on success, or -EINVAL if duplicate changeset entry found. + */ + static int changeset_dup_entry_check(struct overlay_changeset *ovcs) + { +@@ -628,7 +628,7 @@ static int changeset_dup_entry_check(struct overlay_changeset *ovcs) + * any portions of the changeset that were successfully created will remain + * in @ovcs->cset. + * +- * Returns 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if ++ * Return: 0 on success, -ENOMEM if memory allocation failure, or -EINVAL if + * invalid overlay in @ovcs->fragments[]. + */ + static int build_changeset(struct overlay_changeset *ovcs) +@@ -724,7 +724,7 @@ static struct device_node *find_target(struct device_node *info_node) + * the top level of @tree. The relevant top level nodes are the fragment + * nodes and the __symbols__ node. Any other top level node will be ignored. + * +- * Returns 0 on success, -ENOMEM if memory allocation failure, -EINVAL if error ++ * Return: 0 on success, -ENOMEM if memory allocation failure, -EINVAL if error + * detected in @tree, or -ENOSPC if idr_alloc() error. + */ + static int init_overlay_changeset(struct overlay_changeset *ovcs, +@@ -1179,7 +1179,7 @@ static int overlay_removal_is_ok(struct overlay_changeset *remove_ovcs) + * If an error is returned by an overlay changeset post-remove notifier + * then no further overlay changeset post-remove notifier will be called. + * +- * Returns 0 on success, or a negative error number. *ovcs_id is set to ++ * Return: 0 on success, or a negative error number. *ovcs_id is set to + * zero after reverting the changeset, even if a subsequent error occurs. + */ + int of_overlay_remove(int *ovcs_id) +@@ -1257,7 +1257,7 @@ EXPORT_SYMBOL_GPL(of_overlay_remove); + * + * Removes all overlays from the system in the correct order. + * +- * Returns 0 on success, or a negative error number ++ * Return: 0 on success, or a negative error number + */ + int of_overlay_remove_all(void) + { +diff --git a/drivers/of/platform.c b/drivers/of/platform.c +index b557a0fcd4ba0..43748c6480c80 100644 +--- a/drivers/of/platform.c ++++ b/drivers/of/platform.c +@@ -44,7 +44,7 @@ static const struct of_device_id of_skipped_node_table[] = { + * Takes a reference to the embedded struct device which needs to be dropped + * after use. + * +- * Returns platform_device pointer, or NULL if not found ++ * Return: platform_device pointer, or NULL if not found + */ + struct platform_device *of_find_device_by_node(struct device_node *np) + { +@@ -160,7 +160,7 @@ EXPORT_SYMBOL(of_device_alloc); + * @platform_data: pointer to populate platform_data pointer with + * @parent: Linux device model parent device. + * +- * Returns pointer to created platform device, or NULL if a device was not ++ * Return: Pointer to created platform device, or NULL if a device was not + * registered. Unavailable devices will not get registered. + */ + static struct platform_device *of_platform_device_create_pdata( +@@ -204,7 +204,7 @@ err_clear_flag: + * @bus_id: name to assign device + * @parent: Linux device model parent device. + * +- * Returns pointer to created platform device, or NULL if a device was not ++ * Return: Pointer to created platform device, or NULL if a device was not + * registered. Unavailable devices will not get registered. + */ + struct platform_device *of_platform_device_create(struct device_node *np, +@@ -463,7 +463,7 @@ EXPORT_SYMBOL(of_platform_bus_probe); + * New board support should be using this function instead of + * of_platform_bus_probe(). + * +- * Returns 0 on success, < 0 on failure. ++ * Return: 0 on success, < 0 on failure. + */ + int of_platform_populate(struct device_node *root, + const struct of_device_id *matches, +@@ -608,7 +608,7 @@ static void devm_of_platform_populate_release(struct device *dev, void *res) + * Similar to of_platform_populate(), but will automatically call + * of_platform_depopulate() when the device is unbound from the bus. + * +- * Returns 0 on success, < 0 on failure. ++ * Return: 0 on success, < 0 on failure. + */ + int devm_of_platform_populate(struct device *dev) + { +diff --git a/drivers/of/property.c b/drivers/of/property.c +index 8f998351bf4fb..a411460d2b211 100644 +--- a/drivers/of/property.c ++++ b/drivers/of/property.c +@@ -60,9 +60,11 @@ EXPORT_SYMBOL(of_graph_is_present); + * @elem_size: size of the individual element + * + * Search for a property in a device node and count the number of elements of +- * size elem_size in it. Returns number of elements on sucess, -EINVAL if the +- * property does not exist or its length does not match a multiple of elem_size +- * and -ENODATA if the property does not have a value. ++ * size elem_size in it. ++ * ++ * Return: The number of elements on sucess, -EINVAL if the property does not ++ * exist or its length does not match a multiple of elem_size and -ENODATA if ++ * the property does not have a value. + */ + int of_property_count_elems_of_size(const struct device_node *np, + const char *propname, int elem_size) +@@ -94,8 +96,9 @@ EXPORT_SYMBOL_GPL(of_property_count_elems_of_size); + * @len: if !=NULL, actual length is written to here + * + * Search for a property in a device node and valid the requested size. +- * Returns the property value on success, -EINVAL if the property does not +- * exist, -ENODATA if property does not have a value, and -EOVERFLOW if the ++ * ++ * Return: The property value on success, -EINVAL if the property does not ++ * exist, -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data is too small or too large. + * + */ +@@ -128,7 +131,9 @@ static void *of_find_property_value_of_size(const struct device_node *np, + * @out_value: pointer to return value, modified only if no error. + * + * Search for a property in a device node and read nth 32-bit value from +- * it. Returns 0 on success, -EINVAL if the property does not exist, ++ * it. ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * +@@ -160,7 +165,9 @@ EXPORT_SYMBOL_GPL(of_property_read_u32_index); + * @out_value: pointer to return value, modified only if no error. + * + * Search for a property in a device node and read nth 64-bit value from +- * it. Returns 0 on success, -EINVAL if the property does not exist, ++ * it. ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * +@@ -195,12 +202,14 @@ EXPORT_SYMBOL_GPL(of_property_read_u64_index); + * sz_min will be read. + * + * Search for a property in a device node and read 8-bit value(s) from +- * it. Returns number of elements read on success, -EINVAL if the property +- * does not exist, -ENODATA if property does not have a value, and -EOVERFLOW +- * if the property data is smaller than sz_min or longer than sz_max. ++ * it. + * + * dts entry of array should be like: +- * property = /bits/ 8 <0x50 0x60 0x70>; ++ * ``property = /bits/ 8 <0x50 0x60 0x70>;`` ++ * ++ * Return: The number of elements read on success, -EINVAL if the property ++ * does not exist, -ENODATA if property does not have a value, and -EOVERFLOW ++ * if the property data is smaller than sz_min or longer than sz_max. + * + * The out_values is modified only if a valid u8 value can be decoded. + */ +@@ -243,12 +252,14 @@ EXPORT_SYMBOL_GPL(of_property_read_variable_u8_array); + * sz_min will be read. + * + * Search for a property in a device node and read 16-bit value(s) from +- * it. Returns number of elements read on success, -EINVAL if the property +- * does not exist, -ENODATA if property does not have a value, and -EOVERFLOW +- * if the property data is smaller than sz_min or longer than sz_max. ++ * it. + * + * dts entry of array should be like: +- * property = /bits/ 16 <0x5000 0x6000 0x7000>; ++ * ``property = /bits/ 16 <0x5000 0x6000 0x7000>;`` ++ * ++ * Return: The number of elements read on success, -EINVAL if the property ++ * does not exist, -ENODATA if property does not have a value, and -EOVERFLOW ++ * if the property data is smaller than sz_min or longer than sz_max. + * + * The out_values is modified only if a valid u16 value can be decoded. + */ +@@ -291,7 +302,9 @@ EXPORT_SYMBOL_GPL(of_property_read_variable_u16_array); + * sz_min will be read. + * + * Search for a property in a device node and read 32-bit value(s) from +- * it. Returns number of elements read on success, -EINVAL if the property ++ * it. ++ * ++ * Return: The number of elements read on success, -EINVAL if the property + * does not exist, -ENODATA if property does not have a value, and -EOVERFLOW + * if the property data is smaller than sz_min or longer than sz_max. + * +@@ -330,7 +343,9 @@ EXPORT_SYMBOL_GPL(of_property_read_variable_u32_array); + * @out_value: pointer to return value, modified only if return value is 0. + * + * Search for a property in a device node and read a 64-bit value from +- * it. Returns 0 on success, -EINVAL if the property does not exist, ++ * it. ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * +@@ -365,7 +380,9 @@ EXPORT_SYMBOL_GPL(of_property_read_u64); + * sz_min will be read. + * + * Search for a property in a device node and read 64-bit value(s) from +- * it. Returns number of elements read on success, -EINVAL if the property ++ * it. ++ * ++ * Return: The number of elements read on success, -EINVAL if the property + * does not exist, -ENODATA if property does not have a value, and -EOVERFLOW + * if the property data is smaller than sz_min or longer than sz_max. + * +@@ -407,10 +424,11 @@ EXPORT_SYMBOL_GPL(of_property_read_variable_u64_array); + * return value is 0. + * + * Search for a property in a device tree node and retrieve a null +- * terminated string value (pointer to data, not a copy). Returns 0 on +- * success, -EINVAL if the property does not exist, -ENODATA if property +- * does not have a value, and -EILSEQ if the string is not null-terminated +- * within the length of the property data. ++ * terminated string value (pointer to data, not a copy). ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, -ENODATA if ++ * property does not have a value, and -EILSEQ if the string is not ++ * null-terminated within the length of the property data. + * + * The out_string pointer is modified only if a valid string can be decoded. + */ +@@ -774,7 +792,7 @@ EXPORT_SYMBOL(of_graph_get_remote_port_parent); + * @node: pointer to a local endpoint device_node + * + * Return: Remote port node associated with remote endpoint node linked +- * to @node. Use of_node_put() on it when done. ++ * to @node. Use of_node_put() on it when done. + */ + struct device_node *of_graph_get_remote_port(const struct device_node *node) + { +@@ -807,7 +825,7 @@ EXPORT_SYMBOL(of_graph_get_endpoint_count); + * @endpoint: identifier (value of reg property) of the endpoint node + * + * Return: Remote device node associated with remote endpoint node linked +- * to @node. Use of_node_put() on it when done. ++ * to @node. Use of_node_put() on it when done. + */ + struct device_node *of_graph_get_remote_node(const struct device_node *node, + u32 port, u32 endpoint) +diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c +index 925be41eeebec..de5a823f30310 100644 +--- a/drivers/parport/parport_pc.c ++++ b/drivers/parport/parport_pc.c +@@ -2613,6 +2613,8 @@ enum parport_pc_pci_cards { + netmos_9865, + quatech_sppxp100, + wch_ch382l, ++ brainboxes_uc146, ++ brainboxes_px203, + }; + + +@@ -2676,6 +2678,8 @@ static struct parport_pc_pci { + /* netmos_9865 */ { 1, { { 0, -1 }, } }, + /* quatech_sppxp100 */ { 1, { { 0, 1 }, } }, + /* wch_ch382l */ { 1, { { 2, -1 }, } }, ++ /* brainboxes_uc146 */ { 1, { { 3, -1 }, } }, ++ /* brainboxes_px203 */ { 1, { { 0, -1 }, } }, + }; + + static const struct pci_device_id parport_pc_pci_tbl[] = { +@@ -2767,6 +2771,23 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { + PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 }, + /* WCH CH382L PCI-E single parallel port card */ + { 0x1c00, 0x3050, 0x1c00, 0x3050, 0, 0, wch_ch382l }, ++ /* Brainboxes IX-500/550 */ ++ { PCI_VENDOR_ID_INTASHIELD, 0x402a, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport }, ++ /* Brainboxes UC-146/UC-157 */ ++ { PCI_VENDOR_ID_INTASHIELD, 0x0be1, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 }, ++ { PCI_VENDOR_ID_INTASHIELD, 0x0be2, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 }, ++ /* Brainboxes PX-146/PX-257 */ ++ { PCI_VENDOR_ID_INTASHIELD, 0x401c, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport }, ++ /* Brainboxes PX-203 */ ++ { PCI_VENDOR_ID_INTASHIELD, 0x4007, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_px203 }, ++ /* Brainboxes PX-475 */ ++ { PCI_VENDOR_ID_INTASHIELD, 0x401f, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport }, + { 0, } /* terminate list */ + }; + MODULE_DEVICE_TABLE(pci, parport_pc_pci_tbl); +diff --git a/drivers/platform/mellanox/mlxbf-bootctl.c b/drivers/platform/mellanox/mlxbf-bootctl.c +index 5d21c6adf1ab6..9911d4f854696 100644 +--- a/drivers/platform/mellanox/mlxbf-bootctl.c ++++ b/drivers/platform/mellanox/mlxbf-bootctl.c +@@ -17,6 +17,7 @@ + + #define MLXBF_BOOTCTL_SB_SECURE_MASK 0x03 + #define MLXBF_BOOTCTL_SB_TEST_MASK 0x0c ++#define MLXBF_BOOTCTL_SB_DEV_MASK BIT(4) + + #define MLXBF_SB_KEY_NUM 4 + +@@ -37,11 +38,18 @@ static struct mlxbf_bootctl_name boot_names[] = { + { MLXBF_BOOTCTL_NONE, "none" }, + }; + ++enum { ++ MLXBF_BOOTCTL_SB_LIFECYCLE_PRODUCTION = 0, ++ MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE = 1, ++ MLXBF_BOOTCTL_SB_LIFECYCLE_GA_NON_SECURE = 2, ++ MLXBF_BOOTCTL_SB_LIFECYCLE_RMA = 3 ++}; ++ + static const char * const mlxbf_bootctl_lifecycle_states[] = { +- [0] = "Production", +- [1] = "GA Secured", +- [2] = "GA Non-Secured", +- [3] = "RMA", ++ [MLXBF_BOOTCTL_SB_LIFECYCLE_PRODUCTION] = "Production", ++ [MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE] = "GA Secured", ++ [MLXBF_BOOTCTL_SB_LIFECYCLE_GA_NON_SECURE] = "GA Non-Secured", ++ [MLXBF_BOOTCTL_SB_LIFECYCLE_RMA] = "RMA", + }; + + /* ARM SMC call which is atomic and no need for lock. */ +@@ -165,25 +173,30 @@ static ssize_t second_reset_action_store(struct device *dev, + static ssize_t lifecycle_state_show(struct device *dev, + struct device_attribute *attr, char *buf) + { ++ int status_bits; ++ int use_dev_key; ++ int test_state; + int lc_state; + +- lc_state = mlxbf_bootctl_smc(MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS, +- MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE); +- if (lc_state < 0) +- return lc_state; ++ status_bits = mlxbf_bootctl_smc(MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS, ++ MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE); ++ if (status_bits < 0) ++ return status_bits; + +- lc_state &= +- MLXBF_BOOTCTL_SB_TEST_MASK | MLXBF_BOOTCTL_SB_SECURE_MASK; ++ use_dev_key = status_bits & MLXBF_BOOTCTL_SB_DEV_MASK; ++ test_state = status_bits & MLXBF_BOOTCTL_SB_TEST_MASK; ++ lc_state = status_bits & MLXBF_BOOTCTL_SB_SECURE_MASK; + + /* + * If the test bits are set, we specify that the current state may be + * due to using the test bits. + */ +- if (lc_state & MLXBF_BOOTCTL_SB_TEST_MASK) { +- lc_state &= MLXBF_BOOTCTL_SB_SECURE_MASK; +- ++ if (test_state) { + return sprintf(buf, "%s(test)\n", + mlxbf_bootctl_lifecycle_states[lc_state]); ++ } else if (use_dev_key && ++ (lc_state == MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE)) { ++ return sprintf(buf, "Secured (development)\n"); + } + + return sprintf(buf, "%s\n", mlxbf_bootctl_lifecycle_states[lc_state]); +diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig +index 84c5b922f245e..c14c145b88d80 100644 +--- a/drivers/platform/x86/Kconfig ++++ b/drivers/platform/x86/Kconfig +@@ -243,6 +243,7 @@ config ASUS_WMI + depends on RFKILL || RFKILL = n + depends on HOTPLUG_PCI + depends on ACPI_VIDEO || ACPI_VIDEO = n ++ depends on SERIO_I8042 || SERIO_I8042 = n + select INPUT_SPARSEKMAP + select LEDS_CLASS + select NEW_LEDS +@@ -256,7 +257,6 @@ config ASUS_WMI + config ASUS_NB_WMI + tristate "Asus Notebook WMI Driver" + depends on ASUS_WMI +- depends on SERIO_I8042 || SERIO_I8042 = n + help + This is a driver for newer Asus notebooks. It adds extra features + like wireless radio and bluetooth control, leds, hotkeys, backlight... +diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c +index 04503ad6c7fb0..49505939352ae 100644 +--- a/drivers/platform/x86/asus-nb-wmi.c ++++ b/drivers/platform/x86/asus-nb-wmi.c +@@ -41,6 +41,10 @@ static int wapf = -1; + module_param(wapf, uint, 0444); + MODULE_PARM_DESC(wapf, "WAPF value"); + ++static int tablet_mode_sw = -1; ++module_param(tablet_mode_sw, uint, 0444); ++MODULE_PARM_DESC(tablet_mode_sw, "Tablet mode detect: -1:auto 0:disable 1:kbd-dock 2:lid-flip"); ++ + static struct quirk_entry *quirks; + + static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str, +@@ -111,7 +115,17 @@ static struct quirk_entry quirk_asus_forceals = { + }; + + static struct quirk_entry quirk_asus_use_kbd_dock_devid = { +- .use_kbd_dock_devid = true, ++ .tablet_switch_mode = asus_wmi_kbd_dock_devid, ++}; ++ ++static struct quirk_entry quirk_asus_use_lid_flip_devid = { ++ .wmi_backlight_set_devstate = true, ++ .tablet_switch_mode = asus_wmi_lid_flip_devid, ++}; ++ ++static struct quirk_entry quirk_asus_tablet_mode = { ++ .wmi_backlight_set_devstate = true, ++ .tablet_switch_mode = asus_wmi_lid_flip_rog_devid, + }; + + static int dmi_matched(const struct dmi_system_id *dmi) +@@ -443,13 +457,39 @@ static const struct dmi_system_id asus_quirks[] = { + }, + .driver_data = &quirk_asus_use_kbd_dock_devid, + }, ++ { ++ .callback = dmi_matched, ++ .ident = "ASUS ZenBook Flip UX360", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), ++ /* Match UX360* */ ++ DMI_MATCH(DMI_PRODUCT_NAME, "UX360"), ++ }, ++ .driver_data = &quirk_asus_use_lid_flip_devid, ++ }, ++ { ++ .callback = dmi_matched, ++ .ident = "ASUS TP200s / E205SA", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), ++ DMI_MATCH(DMI_PRODUCT_NAME, "E205SA"), ++ }, ++ .driver_data = &quirk_asus_use_lid_flip_devid, ++ }, ++ { ++ .callback = dmi_matched, ++ .ident = "ASUS ROG FLOW X13", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), ++ DMI_MATCH(DMI_PRODUCT_NAME, "GV301Q"), ++ }, ++ .driver_data = &quirk_asus_tablet_mode, ++ }, + {}, + }; + + static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver) + { +- int ret; +- + quirks = &quirk_asus_unknown; + dmi_check_system(asus_quirks); + +@@ -462,14 +502,8 @@ static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver) + else + wapf = quirks->wapf; + +- if (quirks->i8042_filter) { +- ret = i8042_install_filter(quirks->i8042_filter); +- if (ret) { +- pr_warn("Unable to install key filter\n"); +- return; +- } +- pr_info("Using i8042 filter function for receiving events\n"); +- } ++ if (tablet_mode_sw != -1) ++ quirks->tablet_switch_mode = tablet_mode_sw; + } + + static const struct key_entry asus_nb_wmi_keymap[] = { +@@ -541,6 +575,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = { + { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } }, + { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */ + { KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */ ++ { KE_KEY, 0xBD, { KEY_PROG2 } }, /* Lid flip action on ROG xflow laptops */ + { KE_END, 0}, + }; + +diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c +index db369cf261119..9316564947682 100644 +--- a/drivers/platform/x86/asus-wmi.c ++++ b/drivers/platform/x86/asus-wmi.c +@@ -63,6 +63,8 @@ MODULE_LICENSE("GPL"); + #define NOTIFY_KBD_BRTTOGGLE 0xc7 + #define NOTIFY_KBD_FBM 0x99 + #define NOTIFY_KBD_TTP 0xae ++#define NOTIFY_LID_FLIP 0xfa ++#define NOTIFY_LID_FLIP_ROG 0xbd + + #define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0) + +@@ -198,6 +200,10 @@ struct asus_wmi { + struct asus_rfkill gps; + struct asus_rfkill uwb; + ++ int tablet_switch_event_code; ++ u32 tablet_switch_dev_id; ++ bool tablet_switch_inverted; ++ + enum fan_type fan_type; + int fan_pwm_mode; + int agfn_pwm; +@@ -206,6 +212,9 @@ struct asus_wmi { + u8 fan_boost_mode_mask; + u8 fan_boost_mode; + ++ bool dgpu_disable_available; ++ bool dgpu_disable; ++ + bool throttle_thermal_policy_available; + u8 throttle_thermal_policy_mode; + +@@ -346,10 +355,35 @@ static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id) + } + + /* Input **********************************************************************/ ++static void asus_wmi_tablet_sw_report(struct asus_wmi *asus, bool value) ++{ ++ input_report_switch(asus->inputdev, SW_TABLET_MODE, ++ asus->tablet_switch_inverted ? !value : value); ++ input_sync(asus->inputdev); ++} ++ ++static void asus_wmi_tablet_sw_init(struct asus_wmi *asus, u32 dev_id, int event_code) ++{ ++ struct device *dev = &asus->platform_device->dev; ++ int result; ++ ++ result = asus_wmi_get_devstate_simple(asus, dev_id); ++ if (result >= 0) { ++ input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE); ++ asus_wmi_tablet_sw_report(asus, result); ++ asus->tablet_switch_dev_id = dev_id; ++ asus->tablet_switch_event_code = event_code; ++ } else if (result == -ENODEV) { ++ dev_err(dev, "This device has tablet-mode-switch quirk but got ENODEV checking it. This is a bug."); ++ } else { ++ dev_err(dev, "Error checking for tablet-mode-switch: %d\n", result); ++ } ++} + + static int asus_wmi_input_init(struct asus_wmi *asus) + { +- int err, result; ++ struct device *dev = &asus->platform_device->dev; ++ int err; + + asus->inputdev = input_allocate_device(); + if (!asus->inputdev) +@@ -358,21 +392,26 @@ static int asus_wmi_input_init(struct asus_wmi *asus) + asus->inputdev->name = asus->driver->input_name; + asus->inputdev->phys = asus->driver->input_phys; + asus->inputdev->id.bustype = BUS_HOST; +- asus->inputdev->dev.parent = &asus->platform_device->dev; ++ asus->inputdev->dev.parent = dev; + set_bit(EV_REP, asus->inputdev->evbit); + + err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL); + if (err) + goto err_free_dev; + +- if (asus->driver->quirks->use_kbd_dock_devid) { +- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK); +- if (result >= 0) { +- input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE); +- input_report_switch(asus->inputdev, SW_TABLET_MODE, !result); +- } else if (result != -ENODEV) { +- pr_err("Error checking for keyboard-dock: %d\n", result); +- } ++ switch (asus->driver->quirks->tablet_switch_mode) { ++ case asus_wmi_no_tablet_switch: ++ break; ++ case asus_wmi_kbd_dock_devid: ++ asus->tablet_switch_inverted = true; ++ asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_KBD_DOCK, NOTIFY_KBD_DOCK_CHANGE); ++ break; ++ case asus_wmi_lid_flip_devid: ++ asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP, NOTIFY_LID_FLIP); ++ break; ++ case asus_wmi_lid_flip_rog_devid: ++ asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP_ROG, NOTIFY_LID_FLIP_ROG); ++ break; + } + + err = input_register_device(asus->inputdev); +@@ -394,6 +433,107 @@ static void asus_wmi_input_exit(struct asus_wmi *asus) + asus->inputdev = NULL; + } + ++/* Tablet mode ****************************************************************/ ++ ++static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus) ++{ ++ int result; ++ ++ if (!asus->tablet_switch_dev_id) ++ return; ++ ++ result = asus_wmi_get_devstate_simple(asus, asus->tablet_switch_dev_id); ++ if (result >= 0) ++ asus_wmi_tablet_sw_report(asus, result); ++} ++ ++/* dGPU ********************************************************************/ ++static int dgpu_disable_check_present(struct asus_wmi *asus) ++{ ++ u32 result; ++ int err; ++ ++ asus->dgpu_disable_available = false; ++ ++ err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_DGPU, &result); ++ if (err) { ++ if (err == -ENODEV) ++ return 0; ++ return err; ++ } ++ ++ if (result & ASUS_WMI_DSTS_PRESENCE_BIT) { ++ asus->dgpu_disable_available = true; ++ asus->dgpu_disable = result & ASUS_WMI_DSTS_STATUS_BIT; ++ } ++ ++ return 0; ++} ++ ++static int dgpu_disable_write(struct asus_wmi *asus) ++{ ++ u32 retval; ++ u8 value; ++ int err; ++ ++ /* Don't rely on type conversion */ ++ value = asus->dgpu_disable ? 1 : 0; ++ ++ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, value, &retval); ++ if (err) { ++ pr_warn("Failed to set dgpu disable: %d\n", err); ++ return err; ++ } ++ ++ if (retval > 1 || retval < 0) { ++ pr_warn("Failed to set dgpu disable (retval): 0x%x\n", retval); ++ return -EIO; ++ } ++ ++ sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable"); ++ ++ return 0; ++} ++ ++static ssize_t dgpu_disable_show(struct device *dev, ++ struct device_attribute *attr, char *buf) ++{ ++ struct asus_wmi *asus = dev_get_drvdata(dev); ++ u8 mode = asus->dgpu_disable; ++ ++ return sysfs_emit(buf, "%d\n", mode); ++} ++ ++/* ++ * A user may be required to store the value twice, typcial store first, then ++ * rescan PCI bus to activate power, then store a second time to save correctly. ++ * The reason for this is that an extra code path in the ACPI is enabled when ++ * the device and bus are powered. ++ */ ++static ssize_t dgpu_disable_store(struct device *dev, ++ struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ bool disable; ++ int result; ++ ++ struct asus_wmi *asus = dev_get_drvdata(dev); ++ ++ result = kstrtobool(buf, &disable); ++ if (result) ++ return result; ++ ++ asus->dgpu_disable = disable; ++ ++ result = dgpu_disable_write(asus); ++ if (result) ++ return result; ++ ++ return count; ++} ++ ++static DEVICE_ATTR_RW(dgpu_disable); ++ + /* Battery ********************************************************************/ + + /* The battery maximum charging percentage */ +@@ -2074,9 +2214,7 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus) + { + unsigned int key_value = 1; + bool autorelease = 1; +- int result, orig_code; +- +- orig_code = code; ++ int orig_code = code; + + if (asus->driver->key_filter) { + asus->driver->key_filter(asus->driver, &code, &key_value, +@@ -2119,14 +2257,8 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus) + return; + } + +- if (asus->driver->quirks->use_kbd_dock_devid && code == NOTIFY_KBD_DOCK_CHANGE) { +- result = asus_wmi_get_devstate_simple(asus, +- ASUS_WMI_DEVID_KBD_DOCK); +- if (result >= 0) { +- input_report_switch(asus->inputdev, SW_TABLET_MODE, +- !result); +- input_sync(asus->inputdev); +- } ++ if (code == asus->tablet_switch_event_code) { ++ asus_wmi_tablet_mode_get_state(asus); + return; + } + +@@ -2287,6 +2419,7 @@ static struct attribute *platform_attributes[] = { + &dev_attr_camera.attr, + &dev_attr_cardr.attr, + &dev_attr_touchpad.attr, ++ &dev_attr_dgpu_disable.attr, + &dev_attr_lid_resume.attr, + &dev_attr_als_enable.attr, + &dev_attr_fan_boost_mode.attr, +@@ -2312,6 +2445,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, + devid = ASUS_WMI_DEVID_LID_RESUME; + else if (attr == &dev_attr_als_enable.attr) + devid = ASUS_WMI_DEVID_ALS_ENABLE; ++ else if (attr == &dev_attr_dgpu_disable.attr) ++ ok = asus->dgpu_disable_available; + else if (attr == &dev_attr_fan_boost_mode.attr) + ok = asus->fan_boost_mode_available; + else if (attr == &dev_attr_throttle_thermal_policy.attr) +@@ -2571,6 +2706,10 @@ static int asus_wmi_add(struct platform_device *pdev) + if (err) + goto fail_platform; + ++ err = dgpu_disable_check_present(asus); ++ if (err) ++ goto fail_dgpu_disable; ++ + err = fan_boost_mode_check_present(asus); + if (err) + goto fail_fan_boost_mode; +@@ -2647,6 +2786,12 @@ static int asus_wmi_add(struct platform_device *pdev) + goto fail_wmi_handler; + } + ++ if (asus->driver->quirks->i8042_filter) { ++ err = i8042_install_filter(asus->driver->quirks->i8042_filter); ++ if (err) ++ pr_warn("Unable to install key filter - %d\n", err); ++ } ++ + asus_wmi_battery_init(asus); + + asus_wmi_debugfs_init(asus); +@@ -2667,6 +2812,7 @@ fail_input: + fail_sysfs: + fail_throttle_thermal_policy: + fail_fan_boost_mode: ++fail_dgpu_disable: + fail_platform: + kfree(asus); + return err; +@@ -2677,6 +2823,8 @@ static int asus_wmi_remove(struct platform_device *device) + struct asus_wmi *asus; + + asus = platform_get_drvdata(device); ++ if (asus->driver->quirks->i8042_filter) ++ i8042_remove_filter(asus->driver->quirks->i8042_filter); + wmi_remove_notify_handler(asus->driver->event_guid); + asus_wmi_backlight_exit(asus); + asus_wmi_input_exit(asus); +@@ -2721,6 +2869,8 @@ static int asus_hotk_resume(struct device *device) + + if (asus_wmi_has_fnlock_key(asus)) + asus_wmi_fnlock_update(asus); ++ ++ asus_wmi_tablet_mode_get_state(asus); + return 0; + } + +@@ -2759,6 +2909,8 @@ static int asus_hotk_restore(struct device *device) + + if (asus_wmi_has_fnlock_key(asus)) + asus_wmi_fnlock_update(asus); ++ ++ asus_wmi_tablet_mode_get_state(asus); + return 0; + } + +diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h +index 1d0b592e2651b..b817a312f2e1a 100644 +--- a/drivers/platform/x86/asus-wmi.h ++++ b/drivers/platform/x86/asus-wmi.h +@@ -25,6 +25,13 @@ struct module; + struct key_entry; + struct asus_wmi; + ++enum asus_wmi_tablet_switch_mode { ++ asus_wmi_no_tablet_switch, ++ asus_wmi_kbd_dock_devid, ++ asus_wmi_lid_flip_devid, ++ asus_wmi_lid_flip_rog_devid, ++}; ++ + struct quirk_entry { + bool hotplug_wireless; + bool scalar_panel_brightness; +@@ -33,7 +40,7 @@ struct quirk_entry { + bool wmi_backlight_native; + bool wmi_backlight_set_devstate; + bool wmi_force_als_set; +- bool use_kbd_dock_devid; ++ enum asus_wmi_tablet_switch_mode tablet_switch_mode; + int wapf; + /* + * For machines with AMD graphic chips, it will send out WMI event +diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c +index b977e039bb789..5e5c359eaf987 100644 +--- a/drivers/scsi/be2iscsi/be_main.c ++++ b/drivers/scsi/be2iscsi/be_main.c +@@ -2694,6 +2694,7 @@ init_wrb_hndl_failed: + kfree(pwrb_context->pwrb_handle_base); + kfree(pwrb_context->pwrb_handle_basestd); + } ++ kfree(phwi_ctxt->be_wrbq); + return -ENOMEM; + } + +diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c +index 60ffc54da0033..3cb39f02fae0d 100644 +--- a/drivers/tee/optee/device.c ++++ b/drivers/tee/optee/device.c +@@ -60,7 +60,16 @@ static void optee_release_device(struct device *dev) + kfree(optee_device); + } + +-static int optee_register_device(const uuid_t *device_uuid) ++static ssize_t need_supplicant_show(struct device *dev, ++ struct device_attribute *attr, ++ char *buf) ++{ ++ return 0; ++} ++ ++static DEVICE_ATTR_RO(need_supplicant); ++ ++static int optee_register_device(const uuid_t *device_uuid, u32 func) + { + struct tee_client_device *optee_device = NULL; + int rc; +@@ -83,6 +92,10 @@ static int optee_register_device(const uuid_t *device_uuid) + put_device(&optee_device->dev); + } + ++ if (func == PTA_CMD_GET_DEVICES_SUPP) ++ device_create_file(&optee_device->dev, ++ &dev_attr_need_supplicant); ++ + return rc; + } + +@@ -143,7 +156,7 @@ static int __optee_enumerate_devices(u32 func) + num_devices = shm_size / sizeof(uuid_t); + + for (idx = 0; idx < num_devices; idx++) { +- rc = optee_register_device(&device_uuid[idx]); ++ rc = optee_register_device(&device_uuid[idx], func); + if (rc) + goto out_shm; + } +diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c +index 70d7826788f53..ccacbf0f14b3e 100644 +--- a/drivers/tty/serial/8250/8250_early.c ++++ b/drivers/tty/serial/8250/8250_early.c +@@ -199,6 +199,7 @@ static int __init early_omap8250_setup(struct earlycon_device *device, + OF_EARLYCON_DECLARE(omap8250, "ti,omap2-uart", early_omap8250_setup); + OF_EARLYCON_DECLARE(omap8250, "ti,omap3-uart", early_omap8250_setup); + OF_EARLYCON_DECLARE(omap8250, "ti,omap4-uart", early_omap8250_setup); ++OF_EARLYCON_DECLARE(omap8250, "ti,am654-uart", early_omap8250_setup); + + #endif + +diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c +index e7e84aa2c5f84..bd4118f1b6944 100644 +--- a/drivers/tty/serial/8250/8250_omap.c ++++ b/drivers/tty/serial/8250/8250_omap.c +@@ -844,7 +844,7 @@ static void __dma_rx_do_complete(struct uart_8250_port *p) + if (priv->habit & UART_HAS_RHR_IT_DIS) { + reg = serial_in(p, UART_OMAP_IER2); + reg &= ~UART_OMAP_IER2_RHR_IT_DIS; +- serial_out(p, UART_OMAP_IER2, UART_OMAP_IER2_RHR_IT_DIS); ++ serial_out(p, UART_OMAP_IER2, reg); + } + + dmaengine_tx_status(rxchan, cookie, &state); +@@ -986,7 +986,7 @@ static int omap_8250_rx_dma(struct uart_8250_port *p) + if (priv->habit & UART_HAS_RHR_IT_DIS) { + reg = serial_in(p, UART_OMAP_IER2); + reg |= UART_OMAP_IER2_RHR_IT_DIS; +- serial_out(p, UART_OMAP_IER2, UART_OMAP_IER2_RHR_IT_DIS); ++ serial_out(p, UART_OMAP_IER2, reg); + } + + dma_async_issue_pending(dma->rxchan); +@@ -1209,10 +1209,12 @@ static int omap_8250_dma_handle_irq(struct uart_port *port) + + status = serial_port_in(port, UART_LSR); + +- if (priv->habit & UART_HAS_EFR2) +- am654_8250_handle_rx_dma(up, iir, status); +- else +- status = omap_8250_handle_rx_dma(up, iir, status); ++ if ((iir & 0x3f) != UART_IIR_THRI) { ++ if (priv->habit & UART_HAS_EFR2) ++ am654_8250_handle_rx_dma(up, iir, status); ++ else ++ status = omap_8250_handle_rx_dma(up, iir, status); ++ } + + serial8250_modem_status(up); + if (status & UART_LSR_THRE && up->dma->tx_err) { +diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c +index 348d4b2a391a3..d4a93a94b4ca6 100644 +--- a/drivers/tty/serial/amba-pl011.c ++++ b/drivers/tty/serial/amba-pl011.c +@@ -222,17 +222,18 @@ static struct vendor_data vendor_zte = { + + /* Deals with DMA transactions */ + +-struct pl011_sgbuf { +- struct scatterlist sg; +- char *buf; ++struct pl011_dmabuf { ++ dma_addr_t dma; ++ size_t len; ++ char *buf; + }; + + struct pl011_dmarx_data { + struct dma_chan *chan; + struct completion complete; + bool use_buf_b; +- struct pl011_sgbuf sgbuf_a; +- struct pl011_sgbuf sgbuf_b; ++ struct pl011_dmabuf dbuf_a; ++ struct pl011_dmabuf dbuf_b; + dma_cookie_t cookie; + bool running; + struct timer_list timer; +@@ -245,7 +246,8 @@ struct pl011_dmarx_data { + + struct pl011_dmatx_data { + struct dma_chan *chan; +- struct scatterlist sg; ++ dma_addr_t dma; ++ size_t len; + char *buf; + bool queued; + }; +@@ -366,32 +368,24 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap) + + #define PL011_DMA_BUFFER_SIZE PAGE_SIZE + +-static int pl011_sgbuf_init(struct dma_chan *chan, struct pl011_sgbuf *sg, ++static int pl011_dmabuf_init(struct dma_chan *chan, struct pl011_dmabuf *db, + enum dma_data_direction dir) + { +- dma_addr_t dma_addr; +- +- sg->buf = dma_alloc_coherent(chan->device->dev, +- PL011_DMA_BUFFER_SIZE, &dma_addr, GFP_KERNEL); +- if (!sg->buf) ++ db->buf = dma_alloc_coherent(chan->device->dev, PL011_DMA_BUFFER_SIZE, ++ &db->dma, GFP_KERNEL); ++ if (!db->buf) + return -ENOMEM; +- +- sg_init_table(&sg->sg, 1); +- sg_set_page(&sg->sg, phys_to_page(dma_addr), +- PL011_DMA_BUFFER_SIZE, offset_in_page(dma_addr)); +- sg_dma_address(&sg->sg) = dma_addr; +- sg_dma_len(&sg->sg) = PL011_DMA_BUFFER_SIZE; ++ db->len = PL011_DMA_BUFFER_SIZE; + + return 0; + } + +-static void pl011_sgbuf_free(struct dma_chan *chan, struct pl011_sgbuf *sg, ++static void pl011_dmabuf_free(struct dma_chan *chan, struct pl011_dmabuf *db, + enum dma_data_direction dir) + { +- if (sg->buf) { ++ if (db->buf) { + dma_free_coherent(chan->device->dev, +- PL011_DMA_BUFFER_SIZE, sg->buf, +- sg_dma_address(&sg->sg)); ++ PL011_DMA_BUFFER_SIZE, db->buf, db->dma); + } + } + +@@ -552,8 +546,8 @@ static void pl011_dma_tx_callback(void *data) + + spin_lock_irqsave(&uap->port.lock, flags); + if (uap->dmatx.queued) +- dma_unmap_sg(dmatx->chan->device->dev, &dmatx->sg, 1, +- DMA_TO_DEVICE); ++ dma_unmap_single(dmatx->chan->device->dev, dmatx->dma, ++ dmatx->len, DMA_TO_DEVICE); + + dmacr = uap->dmacr; + uap->dmacr = dmacr & ~UART011_TXDMAE; +@@ -639,18 +633,19 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap) + memcpy(&dmatx->buf[first], &xmit->buf[0], second); + } + +- dmatx->sg.length = count; +- +- if (dma_map_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE) != 1) { ++ dmatx->len = count; ++ dmatx->dma = dma_map_single(dma_dev->dev, dmatx->buf, count, ++ DMA_TO_DEVICE); ++ if (dmatx->dma == DMA_MAPPING_ERROR) { + uap->dmatx.queued = false; + dev_dbg(uap->port.dev, "unable to map TX DMA\n"); + return -EBUSY; + } + +- desc = dmaengine_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV, ++ desc = dmaengine_prep_slave_single(chan, dmatx->dma, dmatx->len, DMA_MEM_TO_DEV, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + if (!desc) { +- dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE); ++ dma_unmap_single(dma_dev->dev, dmatx->dma, dmatx->len, DMA_TO_DEVICE); + uap->dmatx.queued = false; + /* + * If DMA cannot be used right now, we complete this +@@ -814,8 +809,8 @@ __acquires(&uap->port.lock) + dmaengine_terminate_async(uap->dmatx.chan); + + if (uap->dmatx.queued) { +- dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1, +- DMA_TO_DEVICE); ++ dma_unmap_single(uap->dmatx.chan->device->dev, uap->dmatx.dma, ++ uap->dmatx.len, DMA_TO_DEVICE); + uap->dmatx.queued = false; + uap->dmacr &= ~UART011_TXDMAE; + pl011_write(uap->dmacr, uap, REG_DMACR); +@@ -829,15 +824,15 @@ static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap) + struct dma_chan *rxchan = uap->dmarx.chan; + struct pl011_dmarx_data *dmarx = &uap->dmarx; + struct dma_async_tx_descriptor *desc; +- struct pl011_sgbuf *sgbuf; ++ struct pl011_dmabuf *dbuf; + + if (!rxchan) + return -EIO; + + /* Start the RX DMA job */ +- sgbuf = uap->dmarx.use_buf_b ? +- &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a; +- desc = dmaengine_prep_slave_sg(rxchan, &sgbuf->sg, 1, ++ dbuf = uap->dmarx.use_buf_b ? ++ &uap->dmarx.dbuf_b : &uap->dmarx.dbuf_a; ++ desc = dmaengine_prep_slave_single(rxchan, dbuf->dma, dbuf->len, + DMA_DEV_TO_MEM, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + /* +@@ -877,8 +872,8 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, + bool readfifo) + { + struct tty_port *port = &uap->port.state->port; +- struct pl011_sgbuf *sgbuf = use_buf_b ? +- &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a; ++ struct pl011_dmabuf *dbuf = use_buf_b ? ++ &uap->dmarx.dbuf_b : &uap->dmarx.dbuf_a; + int dma_count = 0; + u32 fifotaken = 0; /* only used for vdbg() */ + +@@ -887,7 +882,7 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, + + if (uap->dmarx.poll_rate) { + /* The data can be taken by polling */ +- dmataken = sgbuf->sg.length - dmarx->last_residue; ++ dmataken = dbuf->len - dmarx->last_residue; + /* Recalculate the pending size */ + if (pending >= dmataken) + pending -= dmataken; +@@ -901,7 +896,7 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, + * Note that tty_insert_flip_buf() tries to take as many chars + * as it can. + */ +- dma_count = tty_insert_flip_string(port, sgbuf->buf + dmataken, ++ dma_count = tty_insert_flip_string(port, dbuf->buf + dmataken, + pending); + + uap->port.icount.rx += dma_count; +@@ -912,7 +907,7 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, + + /* Reset the last_residue for Rx DMA poll */ + if (uap->dmarx.poll_rate) +- dmarx->last_residue = sgbuf->sg.length; ++ dmarx->last_residue = dbuf->len; + + /* + * Only continue with trying to read the FIFO if all DMA chars have +@@ -949,8 +944,8 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) + { + struct pl011_dmarx_data *dmarx = &uap->dmarx; + struct dma_chan *rxchan = dmarx->chan; +- struct pl011_sgbuf *sgbuf = dmarx->use_buf_b ? +- &dmarx->sgbuf_b : &dmarx->sgbuf_a; ++ struct pl011_dmabuf *dbuf = dmarx->use_buf_b ? ++ &dmarx->dbuf_b : &dmarx->dbuf_a; + size_t pending; + struct dma_tx_state state; + enum dma_status dmastat; +@@ -972,7 +967,7 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) + pl011_write(uap->dmacr, uap, REG_DMACR); + uap->dmarx.running = false; + +- pending = sgbuf->sg.length - state.residue; ++ pending = dbuf->len - state.residue; + BUG_ON(pending > PL011_DMA_BUFFER_SIZE); + /* Then we terminate the transfer - we now know our residue */ + dmaengine_terminate_all(rxchan); +@@ -999,8 +994,8 @@ static void pl011_dma_rx_callback(void *data) + struct pl011_dmarx_data *dmarx = &uap->dmarx; + struct dma_chan *rxchan = dmarx->chan; + bool lastbuf = dmarx->use_buf_b; +- struct pl011_sgbuf *sgbuf = dmarx->use_buf_b ? +- &dmarx->sgbuf_b : &dmarx->sgbuf_a; ++ struct pl011_dmabuf *dbuf = dmarx->use_buf_b ? ++ &dmarx->dbuf_b : &dmarx->dbuf_a; + size_t pending; + struct dma_tx_state state; + int ret; +@@ -1018,7 +1013,7 @@ static void pl011_dma_rx_callback(void *data) + * the DMA irq handler. So we check the residue here. + */ + rxchan->device->device_tx_status(rxchan, dmarx->cookie, &state); +- pending = sgbuf->sg.length - state.residue; ++ pending = dbuf->len - state.residue; + BUG_ON(pending > PL011_DMA_BUFFER_SIZE); + /* Then we terminate the transfer - we now know our residue */ + dmaengine_terminate_all(rxchan); +@@ -1070,16 +1065,16 @@ static void pl011_dma_rx_poll(struct timer_list *t) + unsigned long flags = 0; + unsigned int dmataken = 0; + unsigned int size = 0; +- struct pl011_sgbuf *sgbuf; ++ struct pl011_dmabuf *dbuf; + int dma_count; + struct dma_tx_state state; + +- sgbuf = dmarx->use_buf_b ? &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a; ++ dbuf = dmarx->use_buf_b ? &uap->dmarx.dbuf_b : &uap->dmarx.dbuf_a; + rxchan->device->device_tx_status(rxchan, dmarx->cookie, &state); + if (likely(state.residue < dmarx->last_residue)) { +- dmataken = sgbuf->sg.length - dmarx->last_residue; ++ dmataken = dbuf->len - dmarx->last_residue; + size = dmarx->last_residue - state.residue; +- dma_count = tty_insert_flip_string(port, sgbuf->buf + dmataken, ++ dma_count = tty_insert_flip_string(port, dbuf->buf + dmataken, + size); + if (dma_count == size) + dmarx->last_residue = state.residue; +@@ -1126,7 +1121,7 @@ static void pl011_dma_startup(struct uart_amba_port *uap) + return; + } + +- sg_init_one(&uap->dmatx.sg, uap->dmatx.buf, PL011_DMA_BUFFER_SIZE); ++ uap->dmatx.len = PL011_DMA_BUFFER_SIZE; + + /* The DMA buffer is now the FIFO the TTY subsystem can use */ + uap->port.fifosize = PL011_DMA_BUFFER_SIZE; +@@ -1136,7 +1131,7 @@ static void pl011_dma_startup(struct uart_amba_port *uap) + goto skip_rx; + + /* Allocate and map DMA RX buffers */ +- ret = pl011_sgbuf_init(uap->dmarx.chan, &uap->dmarx.sgbuf_a, ++ ret = pl011_dmabuf_init(uap->dmarx.chan, &uap->dmarx.dbuf_a, + DMA_FROM_DEVICE); + if (ret) { + dev_err(uap->port.dev, "failed to init DMA %s: %d\n", +@@ -1144,12 +1139,12 @@ static void pl011_dma_startup(struct uart_amba_port *uap) + goto skip_rx; + } + +- ret = pl011_sgbuf_init(uap->dmarx.chan, &uap->dmarx.sgbuf_b, ++ ret = pl011_dmabuf_init(uap->dmarx.chan, &uap->dmarx.dbuf_b, + DMA_FROM_DEVICE); + if (ret) { + dev_err(uap->port.dev, "failed to init DMA %s: %d\n", + "RX buffer B", ret); +- pl011_sgbuf_free(uap->dmarx.chan, &uap->dmarx.sgbuf_a, ++ pl011_dmabuf_free(uap->dmarx.chan, &uap->dmarx.dbuf_a, + DMA_FROM_DEVICE); + goto skip_rx; + } +@@ -1203,8 +1198,9 @@ static void pl011_dma_shutdown(struct uart_amba_port *uap) + /* In theory, this should already be done by pl011_dma_flush_buffer */ + dmaengine_terminate_all(uap->dmatx.chan); + if (uap->dmatx.queued) { +- dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1, +- DMA_TO_DEVICE); ++ dma_unmap_single(uap->dmatx.chan->device->dev, ++ uap->dmatx.dma, uap->dmatx.len, ++ DMA_TO_DEVICE); + uap->dmatx.queued = false; + } + +@@ -1215,8 +1211,8 @@ static void pl011_dma_shutdown(struct uart_amba_port *uap) + if (uap->using_rx_dma) { + dmaengine_terminate_all(uap->dmarx.chan); + /* Clean up the RX DMA */ +- pl011_sgbuf_free(uap->dmarx.chan, &uap->dmarx.sgbuf_a, DMA_FROM_DEVICE); +- pl011_sgbuf_free(uap->dmarx.chan, &uap->dmarx.sgbuf_b, DMA_FROM_DEVICE); ++ pl011_dmabuf_free(uap->dmarx.chan, &uap->dmarx.dbuf_a, DMA_FROM_DEVICE); ++ pl011_dmabuf_free(uap->dmarx.chan, &uap->dmarx.dbuf_b, DMA_FROM_DEVICE); + if (uap->dmarx.poll_rate) + del_timer_sync(&uap->dmarx.timer); + uap->using_rx_dma = false; +diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c +index c681ed589303c..fd9be81bcfd86 100644 +--- a/drivers/tty/serial/sc16is7xx.c ++++ b/drivers/tty/serial/sc16is7xx.c +@@ -694,6 +694,18 @@ static bool sc16is7xx_port_irq(struct sc16is7xx_port *s, int portno) + case SC16IS7XX_IIR_RTOI_SRC: + case SC16IS7XX_IIR_XOFFI_SRC: + rxlen = sc16is7xx_port_read(port, SC16IS7XX_RXLVL_REG); ++ ++ /* ++ * There is a silicon bug that makes the chip report a ++ * time-out interrupt but no data in the FIFO. This is ++ * described in errata section 18.1.4. ++ * ++ * When this happens, read one byte from the FIFO to ++ * clear the interrupt. ++ */ ++ if (iir == SC16IS7XX_IIR_RTOI_SRC && !rxlen) ++ rxlen = 1; ++ + if (rxlen) + sc16is7xx_handle_rx(port, rxlen, iir); + break; +diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c +index e7cf56b13c643..ba018aeb21d8c 100644 +--- a/drivers/usb/gadget/function/f_hid.c ++++ b/drivers/usb/gadget/function/f_hid.c +@@ -88,6 +88,7 @@ static void hidg_release(struct device *dev) + { + struct f_hidg *hidg = container_of(dev, struct f_hidg, dev); + ++ kfree(hidg->report_desc); + kfree(hidg->set_report_buf); + kfree(hidg); + } +@@ -1287,9 +1288,9 @@ static struct usb_function *hidg_alloc(struct usb_function_instance *fi) + hidg->report_length = opts->report_length; + hidg->report_desc_length = opts->report_desc_length; + if (opts->report_desc) { +- hidg->report_desc = devm_kmemdup(&hidg->dev, opts->report_desc, +- opts->report_desc_length, +- GFP_KERNEL); ++ hidg->report_desc = kmemdup(opts->report_desc, ++ opts->report_desc_length, ++ GFP_KERNEL); + if (!hidg->report_desc) { + put_device(&hidg->dev); + --opts->refcnt; +diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c +index 0933a94ebe29e..53f8327873501 100644 +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -345,8 +345,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) + /* xHC spec requires PCI devices to support D3hot and D3cold */ + if (xhci->hci_version >= 0x120) + xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; +- else if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version >= 0x110) +- xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; + + if (xhci->quirks & XHCI_RESET_ON_RESUME) + xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, +diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c +index 9d3a35b2046d3..18b35e8173614 100644 +--- a/drivers/usb/typec/class.c ++++ b/drivers/usb/typec/class.c +@@ -194,7 +194,7 @@ static void typec_altmode_put_partner(struct altmode *altmode) + if (!partner) + return; + +- adev = &partner->adev; ++ adev = &altmode->adev; + + if (is_typec_plug(adev->dev.parent)) { + struct typec_plug *plug = to_typec_plug(adev->dev.parent); +@@ -424,7 +424,8 @@ static void typec_altmode_release(struct device *dev) + { + struct altmode *alt = to_altmode(to_typec_altmode(dev)); + +- typec_altmode_put_partner(alt); ++ if (!is_typec_port(dev->parent)) ++ typec_altmode_put_partner(alt); + + altmode_id_remove(alt->adev.dev.parent, alt->id); + kfree(alt); +diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c +index cd689d5c4c821..0e25a3f64b2e0 100644 +--- a/fs/btrfs/disk-io.c ++++ b/fs/btrfs/disk-io.c +@@ -2972,7 +2972,6 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device + goto fail_alloc; + } + +- btrfs_info(fs_info, "first mount of filesystem %pU", disk_super->fsid); + /* + * Verify the type first, if that or the checksum value are + * corrupted, we'll find out +diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c +index fd4edd9664500..ea731fa8bd350 100644 +--- a/fs/btrfs/super.c ++++ b/fs/btrfs/super.c +@@ -318,10 +318,7 @@ void __btrfs_panic(struct btrfs_fs_info *fs_info, const char *function, + + static void btrfs_put_super(struct super_block *sb) + { +- struct btrfs_fs_info *fs_info = btrfs_sb(sb); +- +- btrfs_info(fs_info, "last unmount of filesystem %pU", fs_info->fs_devices->fsid); +- close_ctree(fs_info); ++ close_ctree(btrfs_sb(sb)); + } + + enum { +diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c +index b87d6792b14ad..16155529e449f 100644 +--- a/fs/cifs/cifsfs.c ++++ b/fs/cifs/cifsfs.c +@@ -1093,7 +1093,9 @@ static loff_t cifs_remap_file_range(struct file *src_file, loff_t off, + unsigned int xid; + int rc; + +- if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY)) ++ if (remap_flags & REMAP_FILE_DEDUP) ++ return -EOPNOTSUPP; ++ if (remap_flags & ~REMAP_FILE_ADVISORY) + return -EINVAL; + + cifs_dbg(FYI, "clone range\n"); +diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c +index 015b7b37edee5..e58525a958270 100644 +--- a/fs/cifs/smb2ops.c ++++ b/fs/cifs/smb2ops.c +@@ -2765,6 +2765,8 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses, + (char **)&dfs_rsp, &dfs_rsp_size); + } while (rc == -EAGAIN); + ++ if (!rc && !dfs_rsp) ++ rc = -EIO; + if (rc) { + if ((rc != -ENOENT) && (rc != -EOPNOTSUPP)) + cifs_tcon_dbg(VFS, "ioctl error in %s rc=%d\n", __func__, rc); +diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c +index b3abe69382fd0..23b4b8863e7f9 100644 +--- a/fs/nilfs2/sufile.c ++++ b/fs/nilfs2/sufile.c +@@ -501,15 +501,38 @@ int nilfs_sufile_mark_dirty(struct inode *sufile, __u64 segnum) + + down_write(&NILFS_MDT(sufile)->mi_sem); + ret = nilfs_sufile_get_segment_usage_block(sufile, segnum, 0, &bh); +- if (!ret) { +- mark_buffer_dirty(bh); +- nilfs_mdt_mark_dirty(sufile); +- kaddr = kmap_atomic(bh->b_page); +- su = nilfs_sufile_block_get_segment_usage(sufile, segnum, bh, kaddr); ++ if (ret) ++ goto out_sem; ++ ++ kaddr = kmap_atomic(bh->b_page); ++ su = nilfs_sufile_block_get_segment_usage(sufile, segnum, bh, kaddr); ++ if (unlikely(nilfs_segment_usage_error(su))) { ++ struct the_nilfs *nilfs = sufile->i_sb->s_fs_info; ++ ++ kunmap_atomic(kaddr); ++ brelse(bh); ++ if (nilfs_segment_is_active(nilfs, segnum)) { ++ nilfs_error(sufile->i_sb, ++ "active segment %llu is erroneous", ++ (unsigned long long)segnum); ++ } else { ++ /* ++ * Segments marked erroneous are never allocated by ++ * nilfs_sufile_alloc(); only active segments, ie, ++ * the segments indexed by ns_segnum or ns_nextnum, ++ * can be erroneous here. ++ */ ++ WARN_ON_ONCE(1); ++ } ++ ret = -EIO; ++ } else { + nilfs_segment_usage_set_dirty(su); + kunmap_atomic(kaddr); ++ mark_buffer_dirty(bh); ++ nilfs_mdt_mark_dirty(sufile); + brelse(bh); + } ++out_sem: + up_write(&NILFS_MDT(sufile)->mi_sem); + return ret; + } +@@ -536,9 +559,14 @@ int nilfs_sufile_set_segment_usage(struct inode *sufile, __u64 segnum, + + kaddr = kmap_atomic(bh->b_page); + su = nilfs_sufile_block_get_segment_usage(sufile, segnum, bh, kaddr); +- WARN_ON(nilfs_segment_usage_error(su)); +- if (modtime) ++ if (modtime) { ++ /* ++ * Check segusage error and set su_lastmod only when updating ++ * this entry with a valid timestamp, not for cancellation. ++ */ ++ WARN_ON_ONCE(nilfs_segment_usage_error(su)); + su->su_lastmod = cpu_to_le64(modtime); ++ } + su->su_nblocks = cpu_to_le32(nblocks); + kunmap_atomic(kaddr); + +diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c +index 1566e86e8e555..a8374d89da7c8 100644 +--- a/fs/nilfs2/the_nilfs.c ++++ b/fs/nilfs2/the_nilfs.c +@@ -717,7 +717,11 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data) + goto failed_sbh; + } + nilfs_release_super_block(nilfs); +- sb_set_blocksize(sb, blocksize); ++ if (!sb_set_blocksize(sb, blocksize)) { ++ nilfs_err(sb, "bad blocksize %d", blocksize); ++ err = -EINVAL; ++ goto out; ++ } + + err = nilfs_load_super_block(nilfs, sb, blocksize, &sbp); + if (err) +diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h +index 7cc2889608e0f..f5a5df3a8cfd1 100644 +--- a/include/linux/cpuhotplug.h ++++ b/include/linux/cpuhotplug.h +@@ -149,6 +149,7 @@ enum cpuhp_state { + CPUHP_AP_ARM_CORESIGHT_CTI_STARTING, + CPUHP_AP_ARM64_ISNDEP_STARTING, + CPUHP_AP_SMPCFD_DYING, ++ CPUHP_AP_HRTIMERS_DYING, + CPUHP_AP_X86_TBOOT_DYING, + CPUHP_AP_ARM_CACHE_B15_RAC_DYING, + CPUHP_AP_ONLINE, +diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h +index 7f1b8549ebcee..a88be8bd4e1d1 100644 +--- a/include/linux/hrtimer.h ++++ b/include/linux/hrtimer.h +@@ -526,9 +526,9 @@ extern void sysrq_timer_list_show(void); + + int hrtimers_prepare_cpu(unsigned int cpu); + #ifdef CONFIG_HOTPLUG_CPU +-int hrtimers_dead_cpu(unsigned int cpu); ++int hrtimers_cpu_dying(unsigned int cpu); + #else +-#define hrtimers_dead_cpu NULL ++#define hrtimers_cpu_dying NULL + #endif + + #endif +diff --git a/include/linux/of.h b/include/linux/of.h +index 0f4e81e6fb232..57f2d3dddc0ce 100644 +--- a/include/linux/of.h ++++ b/include/linux/of.h +@@ -424,12 +424,14 @@ extern int of_detach_node(struct device_node *); + * @sz: number of array elements to read + * + * Search for a property in a device node and read 8-bit value(s) from +- * it. Returns 0 on success, -EINVAL if the property does not exist, +- * -ENODATA if property does not have a value, and -EOVERFLOW if the +- * property data isn't large enough. ++ * it. + * + * dts entry of array should be like: +- * property = /bits/ 8 <0x50 0x60 0x70>; ++ * ``property = /bits/ 8 <0x50 0x60 0x70>;`` ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, ++ * -ENODATA if property does not have a value, and -EOVERFLOW if the ++ * property data isn't large enough. + * + * The out_values is modified only if a valid u8 value can be decoded. + */ +@@ -454,12 +456,14 @@ static inline int of_property_read_u8_array(const struct device_node *np, + * @sz: number of array elements to read + * + * Search for a property in a device node and read 16-bit value(s) from +- * it. Returns 0 on success, -EINVAL if the property does not exist, +- * -ENODATA if property does not have a value, and -EOVERFLOW if the +- * property data isn't large enough. ++ * it. + * + * dts entry of array should be like: +- * property = /bits/ 16 <0x5000 0x6000 0x7000>; ++ * ``property = /bits/ 16 <0x5000 0x6000 0x7000>;`` ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, ++ * -ENODATA if property does not have a value, and -EOVERFLOW if the ++ * property data isn't large enough. + * + * The out_values is modified only if a valid u16 value can be decoded. + */ +@@ -485,7 +489,9 @@ static inline int of_property_read_u16_array(const struct device_node *np, + * @sz: number of array elements to read + * + * Search for a property in a device node and read 32-bit value(s) from +- * it. Returns 0 on success, -EINVAL if the property does not exist, ++ * it. ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * +@@ -513,7 +519,9 @@ static inline int of_property_read_u32_array(const struct device_node *np, + * @sz: number of array elements to read + * + * Search for a property in a device node and read 64-bit value(s) from +- * it. Returns 0 on success, -EINVAL if the property does not exist, ++ * it. ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * +@@ -1063,7 +1071,9 @@ static inline bool of_node_is_type(const struct device_node *np, const char *typ + * @propname: name of the property to be searched. + * + * Search for a property in a device node and count the number of u8 elements +- * in it. Returns number of elements on sucess, -EINVAL if the property does ++ * in it. ++ * ++ * Return: The number of elements on sucess, -EINVAL if the property does + * not exist or its length does not match a multiple of u8 and -ENODATA if the + * property does not have a value. + */ +@@ -1080,7 +1090,9 @@ static inline int of_property_count_u8_elems(const struct device_node *np, + * @propname: name of the property to be searched. + * + * Search for a property in a device node and count the number of u16 elements +- * in it. Returns number of elements on sucess, -EINVAL if the property does ++ * in it. ++ * ++ * Return: The number of elements on sucess, -EINVAL if the property does + * not exist or its length does not match a multiple of u16 and -ENODATA if the + * property does not have a value. + */ +@@ -1097,7 +1109,9 @@ static inline int of_property_count_u16_elems(const struct device_node *np, + * @propname: name of the property to be searched. + * + * Search for a property in a device node and count the number of u32 elements +- * in it. Returns number of elements on sucess, -EINVAL if the property does ++ * in it. ++ * ++ * Return: The number of elements on sucess, -EINVAL if the property does + * not exist or its length does not match a multiple of u32 and -ENODATA if the + * property does not have a value. + */ +@@ -1114,7 +1128,9 @@ static inline int of_property_count_u32_elems(const struct device_node *np, + * @propname: name of the property to be searched. + * + * Search for a property in a device node and count the number of u64 elements +- * in it. Returns number of elements on sucess, -EINVAL if the property does ++ * in it. ++ * ++ * Return: The number of elements on sucess, -EINVAL if the property does + * not exist or its length does not match a multiple of u64 and -ENODATA if the + * property does not have a value. + */ +@@ -1135,7 +1151,7 @@ static inline int of_property_count_u64_elems(const struct device_node *np, + * Search for a property in a device tree node and retrieve a list of + * terminated string values (pointer to data, not a copy) in that property. + * +- * If @out_strs is NULL, the number of strings in the property is returned. ++ * Return: If @out_strs is NULL, the number of strings in the property is returned. + */ + static inline int of_property_read_string_array(const struct device_node *np, + const char *propname, const char **out_strs, +@@ -1151,10 +1167,11 @@ static inline int of_property_read_string_array(const struct device_node *np, + * @propname: name of the property to be searched. + * + * Search for a property in a device tree node and retrieve the number of null +- * terminated string contain in it. Returns the number of strings on +- * success, -EINVAL if the property does not exist, -ENODATA if property +- * does not have a value, and -EILSEQ if the string is not null-terminated +- * within the length of the property data. ++ * terminated string contain in it. ++ * ++ * Return: The number of strings on success, -EINVAL if the property does not ++ * exist, -ENODATA if property does not have a value, and -EILSEQ if the string ++ * is not null-terminated within the length of the property data. + */ + static inline int of_property_count_strings(const struct device_node *np, + const char *propname) +@@ -1174,7 +1191,8 @@ static inline int of_property_count_strings(const struct device_node *np, + * Search for a property in a device tree node and retrieve a null + * terminated string value (pointer to data, not a copy) in the list of strings + * contained in that property. +- * Returns 0 on success, -EINVAL if the property does not exist, -ENODATA if ++ * ++ * Return: 0 on success, -EINVAL if the property does not exist, -ENODATA if + * property does not have a value, and -EILSEQ if the string is not + * null-terminated within the length of the property data. + * +@@ -1194,7 +1212,8 @@ static inline int of_property_read_string_index(const struct device_node *np, + * @propname: name of the property to be searched. + * + * Search for a property in a device node. +- * Returns true if the property exists false otherwise. ++ * ++ * Return: true if the property exists false otherwise. + */ + static inline bool of_property_read_bool(const struct device_node *np, + const char *propname) +@@ -1440,7 +1459,7 @@ static inline int of_reconfig_get_state_change(unsigned long action, + * of_device_is_system_power_controller - Tells if system-power-controller is found for device_node + * @np: Pointer to the given device_node + * +- * return true if present false otherwise ++ * Return: true if present false otherwise + */ + static inline bool of_device_is_system_power_controller(const struct device_node *np) + { +diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h +index 50557d903a059..3b038a2cc0071 100644 +--- a/include/linux/perf_event.h ++++ b/include/linux/perf_event.h +@@ -744,6 +744,8 @@ struct perf_event { + struct pid_namespace *ns; + u64 id; + ++ atomic64_t lost_samples; ++ + u64 (*clock)(void); + perf_overflow_handler_t overflow_handler; + void *overflow_handler_context; +diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h +index 897b8332a39f4..60cad2aac5c1c 100644 +--- a/include/linux/platform_data/x86/asus-wmi.h ++++ b/include/linux/platform_data/x86/asus-wmi.h +@@ -62,6 +62,8 @@ + + /* Misc */ + #define ASUS_WMI_DEVID_CAMERA 0x00060013 ++#define ASUS_WMI_DEVID_LID_FLIP 0x00060062 ++#define ASUS_WMI_DEVID_LID_FLIP_ROG 0x00060077 + + /* Storage */ + #define ASUS_WMI_DEVID_CARDREADER 0x00080013 +@@ -88,6 +90,9 @@ + /* Keyboard dock */ + #define ASUS_WMI_DEVID_KBD_DOCK 0x00120063 + ++/* dgpu on/off */ ++#define ASUS_WMI_DEVID_DGPU 0x00090020 ++ + /* DSTS masks */ + #define ASUS_WMI_DSTS_STATUS_BIT 0x00000001 + #define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002 +diff --git a/include/net/genetlink.h b/include/net/genetlink.h +index e55ec1597ce79..3057c8e6dcfe9 100644 +--- a/include/net/genetlink.h ++++ b/include/net/genetlink.h +@@ -11,9 +11,12 @@ + /** + * struct genl_multicast_group - generic netlink multicast group + * @name: name of the multicast group, names are per-family ++ * @cap_sys_admin: whether %CAP_SYS_ADMIN is required for binding + */ + struct genl_multicast_group { + char name[GENL_NAMSIZ]; ++ u8 flags; ++ u8 cap_sys_admin:1; + }; + + struct genl_ops; +diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h +index b95d3c485d27e..6ca63ab6bee5d 100644 +--- a/include/uapi/linux/perf_event.h ++++ b/include/uapi/linux/perf_event.h +@@ -279,6 +279,7 @@ enum { + * { u64 time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED + * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING + * { u64 id; } && PERF_FORMAT_ID ++ * { u64 lost; } && PERF_FORMAT_LOST + * } && !PERF_FORMAT_GROUP + * + * { u64 nr; +@@ -286,6 +287,7 @@ enum { + * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING + * { u64 value; + * { u64 id; } && PERF_FORMAT_ID ++ * { u64 lost; } && PERF_FORMAT_LOST + * } cntr[nr]; + * } && PERF_FORMAT_GROUP + * }; +@@ -295,8 +297,9 @@ enum perf_event_read_format { + PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, + PERF_FORMAT_ID = 1U << 2, + PERF_FORMAT_GROUP = 1U << 3, ++ PERF_FORMAT_LOST = 1U << 4, + +- PERF_FORMAT_MAX = 1U << 4, /* non-ABI */ ++ PERF_FORMAT_MAX = 1U << 5, /* non-ABI */ + }; + + #define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ +diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c +index 0c4f159865b95..aa15e8d878a9e 100644 +--- a/io_uring/io_uring.c ++++ b/io_uring/io_uring.c +@@ -8452,49 +8452,6 @@ out_free: + return ret; + } + +-static int io_sqe_file_register(struct io_ring_ctx *ctx, struct file *file, +- int index) +-{ +-#if defined(CONFIG_UNIX) +- struct sock *sock = ctx->ring_sock->sk; +- struct sk_buff_head *head = &sock->sk_receive_queue; +- struct sk_buff *skb; +- +- /* +- * See if we can merge this file into an existing skb SCM_RIGHTS +- * file set. If there's no room, fall back to allocating a new skb +- * and filling it in. +- */ +- spin_lock_irq(&head->lock); +- skb = skb_peek(head); +- if (skb) { +- struct scm_fp_list *fpl = UNIXCB(skb).fp; +- +- if (fpl->count < SCM_MAX_FD) { +- __skb_unlink(skb, head); +- spin_unlock_irq(&head->lock); +- fpl->fp[fpl->count] = get_file(file); +- unix_inflight(fpl->user, fpl->fp[fpl->count]); +- fpl->count++; +- spin_lock_irq(&head->lock); +- __skb_queue_head(head, skb); +- } else { +- skb = NULL; +- } +- } +- spin_unlock_irq(&head->lock); +- +- if (skb) { +- fput(file); +- return 0; +- } +- +- return __io_sqe_files_scm(ctx, 1, index); +-#else +- return 0; +-#endif +-} +- + static int io_queue_rsrc_removal(struct io_rsrc_data *data, unsigned idx, + struct io_rsrc_node *node, void *rsrc) + { +@@ -8552,12 +8509,6 @@ static int io_install_fixed_file(struct io_kiocb *req, struct file *file, + + *io_get_tag_slot(ctx->file_data, slot_index) = 0; + io_fixed_file_set(file_slot, file); +- ret = io_sqe_file_register(ctx, file, slot_index); +- if (ret) { +- file_slot->file_ptr = 0; +- goto err; +- } +- + ret = 0; + err: + if (needs_switch) +@@ -8671,12 +8622,6 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx, + } + *io_get_tag_slot(data, i) = tag; + io_fixed_file_set(file_slot, file); +- err = io_sqe_file_register(ctx, file, i); +- if (err) { +- file_slot->file_ptr = 0; +- fput(file); +- break; +- } + } + } + +diff --git a/kernel/cpu.c b/kernel/cpu.c +index 008b50da22246..abf717c4f57c2 100644 +--- a/kernel/cpu.c ++++ b/kernel/cpu.c +@@ -1595,7 +1595,7 @@ static struct cpuhp_step cpuhp_hp_states[] = { + [CPUHP_HRTIMERS_PREPARE] = { + .name = "hrtimers:prepare", + .startup.single = hrtimers_prepare_cpu, +- .teardown.single = hrtimers_dead_cpu, ++ .teardown.single = NULL, + }, + [CPUHP_SMPCFD_PREPARE] = { + .name = "smpcfd:prepare", +@@ -1662,6 +1662,12 @@ static struct cpuhp_step cpuhp_hp_states[] = { + .startup.single = NULL, + .teardown.single = smpcfd_dying_cpu, + }, ++ [CPUHP_AP_HRTIMERS_DYING] = { ++ .name = "hrtimers:dying", ++ .startup.single = NULL, ++ .teardown.single = hrtimers_cpu_dying, ++ }, ++ + /* Entry state on starting. Interrupts enabled from here on. Transient + * state for synchronsization */ + [CPUHP_AP_ONLINE] = { +diff --git a/kernel/events/core.c b/kernel/events/core.c +index 5072635f0b0c1..0a6855d648031 100644 +--- a/kernel/events/core.c ++++ b/kernel/events/core.c +@@ -1912,28 +1912,34 @@ static inline void perf_event__state_init(struct perf_event *event) + PERF_EVENT_STATE_INACTIVE; + } + +-static void __perf_event_read_size(struct perf_event *event, int nr_siblings) ++static int __perf_event_read_size(u64 read_format, int nr_siblings) + { + int entry = sizeof(u64); /* value */ + int size = 0; + int nr = 1; + +- if (event->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) ++ if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) + size += sizeof(u64); + +- if (event->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) ++ if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) + size += sizeof(u64); + +- if (event->attr.read_format & PERF_FORMAT_ID) ++ if (read_format & PERF_FORMAT_ID) ++ entry += sizeof(u64); ++ ++ if (read_format & PERF_FORMAT_LOST) + entry += sizeof(u64); + +- if (event->attr.read_format & PERF_FORMAT_GROUP) { ++ if (read_format & PERF_FORMAT_GROUP) { + nr += nr_siblings; + size += sizeof(u64); + } + +- size += entry * nr; +- event->read_size = size; ++ /* ++ * Since perf_event_validate_size() limits this to 16k and inhibits ++ * adding more siblings, this will never overflow. ++ */ ++ return size + nr * entry; + } + + static void __perf_event_header_size(struct perf_event *event, u64 sample_type) +@@ -1977,8 +1983,9 @@ static void __perf_event_header_size(struct perf_event *event, u64 sample_type) + */ + static void perf_event__header_size(struct perf_event *event) + { +- __perf_event_read_size(event, +- event->group_leader->nr_siblings); ++ event->read_size = ++ __perf_event_read_size(event->attr.read_format, ++ event->group_leader->nr_siblings); + __perf_event_header_size(event, event->attr.sample_type); + } + +@@ -2009,24 +2016,35 @@ static void perf_event__id_header_size(struct perf_event *event) + event->id_header_size = size; + } + ++/* ++ * Check that adding an event to the group does not result in anybody ++ * overflowing the 64k event limit imposed by the output buffer. ++ * ++ * Specifically, check that the read_size for the event does not exceed 16k, ++ * read_size being the one term that grows with groups size. Since read_size ++ * depends on per-event read_format, also (re)check the existing events. ++ * ++ * This leaves 48k for the constant size fields and things like callchains, ++ * branch stacks and register sets. ++ */ + static bool perf_event_validate_size(struct perf_event *event) + { +- /* +- * The values computed here will be over-written when we actually +- * attach the event. +- */ +- __perf_event_read_size(event, event->group_leader->nr_siblings + 1); +- __perf_event_header_size(event, event->attr.sample_type & ~PERF_SAMPLE_READ); +- perf_event__id_header_size(event); ++ struct perf_event *sibling, *group_leader = event->group_leader; + +- /* +- * Sum the lot; should not exceed the 64k limit we have on records. +- * Conservative limit to allow for callchains and other variable fields. +- */ +- if (event->read_size + event->header_size + +- event->id_header_size + sizeof(struct perf_event_header) >= 16*1024) ++ if (__perf_event_read_size(event->attr.read_format, ++ group_leader->nr_siblings + 1) > 16*1024) ++ return false; ++ ++ if (__perf_event_read_size(group_leader->attr.read_format, ++ group_leader->nr_siblings + 1) > 16*1024) + return false; + ++ for_each_sibling_event(sibling, group_leader) { ++ if (__perf_event_read_size(sibling->attr.read_format, ++ group_leader->nr_siblings + 1) > 16*1024) ++ return false; ++ } ++ + return true; + } + +@@ -5283,11 +5301,15 @@ static int __perf_read_group_add(struct perf_event *leader, + values[n++] += perf_event_count(leader); + if (read_format & PERF_FORMAT_ID) + values[n++] = primary_event_id(leader); ++ if (read_format & PERF_FORMAT_LOST) ++ values[n++] = atomic64_read(&leader->lost_samples); + + for_each_sibling_event(sub, leader) { + values[n++] += perf_event_count(sub); + if (read_format & PERF_FORMAT_ID) + values[n++] = primary_event_id(sub); ++ if (read_format & PERF_FORMAT_LOST) ++ values[n++] = atomic64_read(&sub->lost_samples); + } + + unlock: +@@ -5341,7 +5363,7 @@ static int perf_read_one(struct perf_event *event, + u64 read_format, char __user *buf) + { + u64 enabled, running; +- u64 values[4]; ++ u64 values[5]; + int n = 0; + + values[n++] = __perf_event_read_value(event, &enabled, &running); +@@ -5351,6 +5373,8 @@ static int perf_read_one(struct perf_event *event, + values[n++] = running; + if (read_format & PERF_FORMAT_ID) + values[n++] = primary_event_id(event); ++ if (read_format & PERF_FORMAT_LOST) ++ values[n++] = atomic64_read(&event->lost_samples); + + if (copy_to_user(buf, values, n * sizeof(u64))) + return -EFAULT; +@@ -6830,7 +6854,7 @@ static void perf_output_read_one(struct perf_output_handle *handle, + u64 enabled, u64 running) + { + u64 read_format = event->attr.read_format; +- u64 values[4]; ++ u64 values[5]; + int n = 0; + + values[n++] = perf_event_count(event); +@@ -6844,6 +6868,8 @@ static void perf_output_read_one(struct perf_output_handle *handle, + } + if (read_format & PERF_FORMAT_ID) + values[n++] = primary_event_id(event); ++ if (read_format & PERF_FORMAT_LOST) ++ values[n++] = atomic64_read(&event->lost_samples); + + __output_copy(handle, values, n * sizeof(u64)); + } +@@ -6854,7 +6880,7 @@ static void perf_output_read_group(struct perf_output_handle *handle, + { + struct perf_event *leader = event->group_leader, *sub; + u64 read_format = event->attr.read_format; +- u64 values[5]; ++ u64 values[6]; + int n = 0; + + values[n++] = 1 + leader->nr_siblings; +@@ -6872,6 +6898,8 @@ static void perf_output_read_group(struct perf_output_handle *handle, + values[n++] = perf_event_count(leader); + if (read_format & PERF_FORMAT_ID) + values[n++] = primary_event_id(leader); ++ if (read_format & PERF_FORMAT_LOST) ++ values[n++] = atomic64_read(&leader->lost_samples); + + __output_copy(handle, values, n * sizeof(u64)); + +@@ -6885,6 +6913,8 @@ static void perf_output_read_group(struct perf_output_handle *handle, + values[n++] = perf_event_count(sub); + if (read_format & PERF_FORMAT_ID) + values[n++] = primary_event_id(sub); ++ if (read_format & PERF_FORMAT_LOST) ++ values[n++] = atomic64_read(&sub->lost_samples); + + __output_copy(handle, values, n * sizeof(u64)); + } +diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c +index 01351e7e25435..ca27946fdaaf2 100644 +--- a/kernel/events/ring_buffer.c ++++ b/kernel/events/ring_buffer.c +@@ -172,8 +172,10 @@ __perf_output_begin(struct perf_output_handle *handle, + goto out; + + if (unlikely(rb->paused)) { +- if (rb->nr_pages) ++ if (rb->nr_pages) { + local_inc(&rb->lost); ++ atomic64_inc(&event->lost_samples); ++ } + goto out; + } + +@@ -254,6 +256,7 @@ __perf_output_begin(struct perf_output_handle *handle, + + fail: + local_inc(&rb->lost); ++ atomic64_inc(&event->lost_samples); + perf_output_put_handle(handle); + out: + rcu_read_unlock(); +diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c +index 70deb2f01e97a..ede09dda36e90 100644 +--- a/kernel/time/hrtimer.c ++++ b/kernel/time/hrtimer.c +@@ -2114,29 +2114,22 @@ static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base, + } + } + +-int hrtimers_dead_cpu(unsigned int scpu) ++int hrtimers_cpu_dying(unsigned int dying_cpu) + { + struct hrtimer_cpu_base *old_base, *new_base; +- int i; ++ int i, ncpu = cpumask_first(cpu_active_mask); + +- BUG_ON(cpu_online(scpu)); +- tick_cancel_sched_timer(scpu); ++ tick_cancel_sched_timer(dying_cpu); ++ ++ old_base = this_cpu_ptr(&hrtimer_bases); ++ new_base = &per_cpu(hrtimer_bases, ncpu); + +- /* +- * this BH disable ensures that raise_softirq_irqoff() does +- * not wakeup ksoftirqd (and acquire the pi-lock) while +- * holding the cpu_base lock +- */ +- local_bh_disable(); +- local_irq_disable(); +- old_base = &per_cpu(hrtimer_bases, scpu); +- new_base = this_cpu_ptr(&hrtimer_bases); + /* + * The caller is globally serialized and nobody else + * takes two locks at once, deadlock is not possible. + */ +- raw_spin_lock(&new_base->lock); +- raw_spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING); ++ raw_spin_lock(&old_base->lock); ++ raw_spin_lock_nested(&new_base->lock, SINGLE_DEPTH_NESTING); + + for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) { + migrate_hrtimer_list(&old_base->clock_base[i], +@@ -2147,15 +2140,13 @@ int hrtimers_dead_cpu(unsigned int scpu) + * The migration might have changed the first expiring softirq + * timer on this CPU. Update it. + */ +- hrtimer_update_softirq_timer(new_base, false); ++ __hrtimer_get_next_event(new_base, HRTIMER_ACTIVE_SOFT); ++ /* Tell the other CPU to retrigger the next event */ ++ smp_call_function_single(ncpu, retrigger_next_event, NULL, 0); + +- raw_spin_unlock(&old_base->lock); + raw_spin_unlock(&new_base->lock); ++ raw_spin_unlock(&old_base->lock); + +- /* Check, if we got expired work to do */ +- __hrtimer_peek_ahead_timers(); +- local_irq_enable(); +- local_bh_enable(); + return 0; + } + +diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c +index 0938222b45988..7e1148aafd284 100644 +--- a/kernel/trace/ring_buffer.c ++++ b/kernel/trace/ring_buffer.c +@@ -2903,22 +2903,19 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, + local_read(&bpage->write) & ~RB_WRITE_MASK; + unsigned long event_length = rb_event_length(event); + ++ /* ++ * For the before_stamp to be different than the write_stamp ++ * to make sure that the next event adds an absolute ++ * value and does not rely on the saved write stamp, which ++ * is now going to be bogus. ++ */ ++ rb_time_set(&cpu_buffer->before_stamp, 0); ++ + /* Something came in, can't discard */ + if (!rb_time_cmpxchg(&cpu_buffer->write_stamp, + write_stamp, write_stamp - delta)) + return 0; + +- /* +- * It's possible that the event time delta is zero +- * (has the same time stamp as the previous event) +- * in which case write_stamp and before_stamp could +- * be the same. In such a case, force before_stamp +- * to be different than write_stamp. It doesn't +- * matter what it is, as long as its different. +- */ +- if (!delta) +- rb_time_set(&cpu_buffer->before_stamp, 0); +- + /* + * If an event were to come in now, it would see that the + * write_stamp and the before_stamp are different, and assume +diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c +index 89a8bb8e24df2..4e0411b19ef96 100644 +--- a/kernel/trace/trace.c ++++ b/kernel/trace/trace.c +@@ -2287,13 +2287,7 @@ int is_tracing_stopped(void) + return global_trace.stop_count; + } + +-/** +- * tracing_start - quick start of the tracer +- * +- * If tracing is enabled but was stopped by tracing_stop, +- * this will start the tracer back up. +- */ +-void tracing_start(void) ++static void tracing_start_tr(struct trace_array *tr) + { + struct trace_buffer *buffer; + unsigned long flags; +@@ -2301,119 +2295,83 @@ void tracing_start(void) + if (tracing_disabled) + return; + +- raw_spin_lock_irqsave(&global_trace.start_lock, flags); +- if (--global_trace.stop_count) { +- if (global_trace.stop_count < 0) { ++ raw_spin_lock_irqsave(&tr->start_lock, flags); ++ if (--tr->stop_count) { ++ if (WARN_ON_ONCE(tr->stop_count < 0)) { + /* Someone screwed up their debugging */ +- WARN_ON_ONCE(1); +- global_trace.stop_count = 0; ++ tr->stop_count = 0; + } + goto out; + } + + /* Prevent the buffers from switching */ +- arch_spin_lock(&global_trace.max_lock); ++ arch_spin_lock(&tr->max_lock); + +- buffer = global_trace.array_buffer.buffer; ++ buffer = tr->array_buffer.buffer; + if (buffer) + ring_buffer_record_enable(buffer); + + #ifdef CONFIG_TRACER_MAX_TRACE +- buffer = global_trace.max_buffer.buffer; ++ buffer = tr->max_buffer.buffer; + if (buffer) + ring_buffer_record_enable(buffer); + #endif + +- arch_spin_unlock(&global_trace.max_lock); +- +- out: +- raw_spin_unlock_irqrestore(&global_trace.start_lock, flags); +-} +- +-static void tracing_start_tr(struct trace_array *tr) +-{ +- struct trace_buffer *buffer; +- unsigned long flags; +- +- if (tracing_disabled) +- return; +- +- /* If global, we need to also start the max tracer */ +- if (tr->flags & TRACE_ARRAY_FL_GLOBAL) +- return tracing_start(); +- +- raw_spin_lock_irqsave(&tr->start_lock, flags); +- +- if (--tr->stop_count) { +- if (tr->stop_count < 0) { +- /* Someone screwed up their debugging */ +- WARN_ON_ONCE(1); +- tr->stop_count = 0; +- } +- goto out; +- } +- +- buffer = tr->array_buffer.buffer; +- if (buffer) +- ring_buffer_record_enable(buffer); ++ arch_spin_unlock(&tr->max_lock); + + out: + raw_spin_unlock_irqrestore(&tr->start_lock, flags); + } + + /** +- * tracing_stop - quick stop of the tracer ++ * tracing_start - quick start of the tracer + * +- * Light weight way to stop tracing. Use in conjunction with +- * tracing_start. ++ * If tracing is enabled but was stopped by tracing_stop, ++ * this will start the tracer back up. + */ +-void tracing_stop(void) ++void tracing_start(void) ++ ++{ ++ return tracing_start_tr(&global_trace); ++} ++ ++static void tracing_stop_tr(struct trace_array *tr) + { + struct trace_buffer *buffer; + unsigned long flags; + +- raw_spin_lock_irqsave(&global_trace.start_lock, flags); +- if (global_trace.stop_count++) ++ raw_spin_lock_irqsave(&tr->start_lock, flags); ++ if (tr->stop_count++) + goto out; + + /* Prevent the buffers from switching */ +- arch_spin_lock(&global_trace.max_lock); ++ arch_spin_lock(&tr->max_lock); + +- buffer = global_trace.array_buffer.buffer; ++ buffer = tr->array_buffer.buffer; + if (buffer) + ring_buffer_record_disable(buffer); + + #ifdef CONFIG_TRACER_MAX_TRACE +- buffer = global_trace.max_buffer.buffer; ++ buffer = tr->max_buffer.buffer; + if (buffer) + ring_buffer_record_disable(buffer); + #endif + +- arch_spin_unlock(&global_trace.max_lock); ++ arch_spin_unlock(&tr->max_lock); + + out: +- raw_spin_unlock_irqrestore(&global_trace.start_lock, flags); ++ raw_spin_unlock_irqrestore(&tr->start_lock, flags); + } + +-static void tracing_stop_tr(struct trace_array *tr) ++/** ++ * tracing_stop - quick stop of the tracer ++ * ++ * Light weight way to stop tracing. Use in conjunction with ++ * tracing_start. ++ */ ++void tracing_stop(void) + { +- struct trace_buffer *buffer; +- unsigned long flags; +- +- /* If global, we need to also stop the max tracer */ +- if (tr->flags & TRACE_ARRAY_FL_GLOBAL) +- return tracing_stop(); +- +- raw_spin_lock_irqsave(&tr->start_lock, flags); +- if (tr->stop_count++) +- goto out; +- +- buffer = tr->array_buffer.buffer; +- if (buffer) +- ring_buffer_record_disable(buffer); +- +- out: +- raw_spin_unlock_irqrestore(&tr->start_lock, flags); ++ return tracing_stop_tr(&global_trace); + } + + static int trace_save_cmdline(struct task_struct *tsk) +@@ -2687,8 +2645,11 @@ void trace_buffered_event_enable(void) + for_each_tracing_cpu(cpu) { + page = alloc_pages_node(cpu_to_node(cpu), + GFP_KERNEL | __GFP_NORETRY, 0); +- if (!page) +- goto failed; ++ /* This is just an optimization and can handle failures */ ++ if (!page) { ++ pr_err("Failed to allocate event buffer\n"); ++ break; ++ } + + event = page_address(page); + memset(event, 0, sizeof(*event)); +@@ -2702,10 +2663,6 @@ void trace_buffered_event_enable(void) + WARN_ON_ONCE(1); + preempt_enable(); + } +- +- return; +- failed: +- trace_buffered_event_disable(); + } + + static void enable_trace_buffered_event(void *data) +@@ -2740,11 +2697,9 @@ void trace_buffered_event_disable(void) + if (--trace_buffered_event_ref) + return; + +- preempt_disable(); + /* For each CPU, set the buffer as used. */ +- smp_call_function_many(tracing_buffer_mask, +- disable_trace_buffered_event, NULL, 1); +- preempt_enable(); ++ on_each_cpu_mask(tracing_buffer_mask, disable_trace_buffered_event, ++ NULL, true); + + /* Wait for all current users to finish */ + synchronize_rcu(); +@@ -2753,17 +2708,19 @@ void trace_buffered_event_disable(void) + free_page((unsigned long)per_cpu(trace_buffered_event, cpu)); + per_cpu(trace_buffered_event, cpu) = NULL; + } ++ + /* +- * Make sure trace_buffered_event is NULL before clearing +- * trace_buffered_event_cnt. ++ * Wait for all CPUs that potentially started checking if they can use ++ * their event buffer only after the previous synchronize_rcu() call and ++ * they still read a valid pointer from trace_buffered_event. It must be ++ * ensured they don't see cleared trace_buffered_event_cnt else they ++ * could wrongly decide to use the pointed-to buffer which is now freed. + */ +- smp_wmb(); ++ synchronize_rcu(); + +- preempt_disable(); +- /* Do the work on each cpu */ +- smp_call_function_many(tracing_buffer_mask, +- enable_trace_buffered_event, NULL, 1); +- preempt_enable(); ++ /* For each CPU, relinquish the buffer */ ++ on_each_cpu_mask(tracing_buffer_mask, enable_trace_buffered_event, NULL, ++ true); + } + + static struct trace_buffer *temp_buffer; +@@ -5895,6 +5852,15 @@ static void set_buffer_entries(struct array_buffer *buf, unsigned long val) + per_cpu_ptr(buf->data, cpu)->entries = val; + } + ++static void update_buffer_entries(struct array_buffer *buf, int cpu) ++{ ++ if (cpu == RING_BUFFER_ALL_CPUS) { ++ set_buffer_entries(buf, ring_buffer_size(buf->buffer, 0)); ++ } else { ++ per_cpu_ptr(buf->data, cpu)->entries = ring_buffer_size(buf->buffer, cpu); ++ } ++} ++ + #ifdef CONFIG_TRACER_MAX_TRACE + /* resize @tr's buffer to the size of @size_tr's entries */ + static int resize_buffer_duplicate_size(struct array_buffer *trace_buf, +@@ -5939,13 +5905,15 @@ static int __tracing_resize_ring_buffer(struct trace_array *tr, + if (!tr->array_buffer.buffer) + return 0; + ++ /* Do not allow tracing while resizng ring buffer */ ++ tracing_stop_tr(tr); ++ + ret = ring_buffer_resize(tr->array_buffer.buffer, size, cpu); + if (ret < 0) +- return ret; ++ goto out_start; + + #ifdef CONFIG_TRACER_MAX_TRACE +- if (!(tr->flags & TRACE_ARRAY_FL_GLOBAL) || +- !tr->current_trace->use_max_tr) ++ if (!tr->current_trace->use_max_tr) + goto out; + + ret = ring_buffer_resize(tr->max_buffer.buffer, size, cpu); +@@ -5970,22 +5938,17 @@ static int __tracing_resize_ring_buffer(struct trace_array *tr, + WARN_ON(1); + tracing_disabled = 1; + } +- return ret; ++ goto out_start; + } + +- if (cpu == RING_BUFFER_ALL_CPUS) +- set_buffer_entries(&tr->max_buffer, size); +- else +- per_cpu_ptr(tr->max_buffer.data, cpu)->entries = size; ++ update_buffer_entries(&tr->max_buffer, cpu); + + out: + #endif /* CONFIG_TRACER_MAX_TRACE */ + +- if (cpu == RING_BUFFER_ALL_CPUS) +- set_buffer_entries(&tr->array_buffer, size); +- else +- per_cpu_ptr(tr->array_buffer.data, cpu)->entries = size; +- ++ update_buffer_entries(&tr->array_buffer, cpu); ++ out_start: ++ tracing_start_tr(tr); + return ret; + } + +diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c +index ed9dd17f9348c..7742ee689141f 100644 +--- a/net/core/drop_monitor.c ++++ b/net/core/drop_monitor.c +@@ -183,7 +183,7 @@ out: + } + + static const struct genl_multicast_group dropmon_mcgrps[] = { +- { .name = "events", }, ++ { .name = "events", .cap_sys_admin = 1 }, + }; + + static void send_dm_alert(struct work_struct *work) +@@ -1616,11 +1616,13 @@ static const struct genl_small_ops dropmon_ops[] = { + .cmd = NET_DM_CMD_START, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, + .doit = net_dm_cmd_trace, ++ .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NET_DM_CMD_STOP, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, + .doit = net_dm_cmd_trace, ++ .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NET_DM_CMD_CONFIG_GET, +diff --git a/net/core/filter.c b/net/core/filter.c +index ea8ab9c704832..6cfc8fb0562a2 100644 +--- a/net/core/filter.c ++++ b/net/core/filter.c +@@ -2595,6 +2595,22 @@ BPF_CALL_2(bpf_msg_cork_bytes, struct sk_msg *, msg, u32, bytes) + return 0; + } + ++static void sk_msg_reset_curr(struct sk_msg *msg) ++{ ++ u32 i = msg->sg.start; ++ u32 len = 0; ++ ++ do { ++ len += sk_msg_elem(msg, i)->length; ++ sk_msg_iter_var_next(i); ++ if (len >= msg->sg.size) ++ break; ++ } while (i != msg->sg.end); ++ ++ msg->sg.curr = i; ++ msg->sg.copybreak = 0; ++} ++ + static const struct bpf_func_proto bpf_msg_cork_bytes_proto = { + .func = bpf_msg_cork_bytes, + .gpl_only = false, +@@ -2714,6 +2730,7 @@ BPF_CALL_4(bpf_msg_pull_data, struct sk_msg *, msg, u32, start, + msg->sg.end - shift + NR_MSG_FRAG_IDS : + msg->sg.end - shift; + out: ++ sk_msg_reset_curr(msg); + msg->data = sg_virt(&msg->sg.data[first_sge]) + start - offset; + msg->data_end = msg->data + bytes; + return 0; +@@ -2850,6 +2867,7 @@ BPF_CALL_4(bpf_msg_push_data, struct sk_msg *, msg, u32, start, + msg->sg.data[new] = rsge; + } + ++ sk_msg_reset_curr(msg); + sk_msg_compute_data_pointers(msg); + return 0; + } +@@ -3018,6 +3036,7 @@ BPF_CALL_4(bpf_msg_pop_data, struct sk_msg *, msg, u32, start, + + sk_mem_uncharge(msg->sk, len - pop); + msg->sg.size -= (len - pop); ++ sk_msg_reset_curr(msg); + sk_msg_compute_data_pointers(msg); + return 0; + } +diff --git a/net/core/scm.c b/net/core/scm.c +index 8156d4fb8a396..3c7f160720d34 100644 +--- a/net/core/scm.c ++++ b/net/core/scm.c +@@ -26,6 +26,7 @@ + #include <linux/nsproxy.h> + #include <linux/slab.h> + #include <linux/errqueue.h> ++#include <linux/io_uring.h> + + #include <linux/uaccess.h> + +@@ -103,6 +104,11 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp) + + if (fd < 0 || !(file = fget_raw(fd))) + return -EBADF; ++ /* don't allow io_uring files */ ++ if (io_uring_get_socket(file)) { ++ fput(file); ++ return -EINVAL; ++ } + *fpp++ = file; + fpl->count++; + } +diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c +index 9d1a506571043..a6ad0fe1387c0 100644 +--- a/net/ipv4/ip_gre.c ++++ b/net/ipv4/ip_gre.c +@@ -629,15 +629,18 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, + } + + if (dev->header_ops) { ++ int pull_len = tunnel->hlen + sizeof(struct iphdr); ++ + if (skb_cow_head(skb, 0)) + goto free_skb; + + tnl_params = (const struct iphdr *)skb->data; + +- /* Pull skb since ip_tunnel_xmit() needs skb->data pointing +- * to gre header. +- */ +- skb_pull(skb, tunnel->hlen + sizeof(struct iphdr)); ++ if (!pskb_network_may_pull(skb, pull_len)) ++ goto free_skb; ++ ++ /* ip_tunnel_xmit() needs skb->data pointing to gre header. */ ++ skb_pull(skb, pull_len); + skb_reset_mac_header(skb); + + if (skb->ip_summed == CHECKSUM_PARTIAL && +diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c +index a8948c76d19b6..0f9fe5edad142 100644 +--- a/net/ipv4/tcp_input.c ++++ b/net/ipv4/tcp_input.c +@@ -3772,8 +3772,12 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) + * then we can probably ignore it. + */ + if (before(ack, prior_snd_una)) { ++ u32 max_window; ++ ++ /* do not accept ACK for bytes we never sent. */ ++ max_window = min_t(u64, tp->max_window, tp->bytes_acked); + /* RFC 5961 5.2 [Blind Data Injection Attack].[Mitigation] */ +- if (before(ack, prior_snd_una - tp->max_window)) { ++ if (before(ack, prior_snd_una - max_window)) { + if (!(flag & FLAG_NO_CHALLENGE_ACK)) + tcp_send_challenge_ack(sk, skb); + return -1; +diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c +index c783b91231321..608205c632c8c 100644 +--- a/net/ipv6/ip6_fib.c ++++ b/net/ipv6/ip6_fib.c +@@ -1499,13 +1499,9 @@ out: + if (!pn_leaf && !(pn->fn_flags & RTN_RTINFO)) { + pn_leaf = fib6_find_prefix(info->nl_net, table, + pn); +-#if RT6_DEBUG >= 2 +- if (!pn_leaf) { +- WARN_ON(!pn_leaf); ++ if (!pn_leaf) + pn_leaf = + info->nl_net->ipv6.fib6_null_entry; +- } +-#endif + fib6_info_hold(pn_leaf); + rcu_assign_pointer(pn->leaf, pn_leaf); + } +diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c +index 26613e3731d02..24f81826ed4a5 100644 +--- a/net/netfilter/ipset/ip_set_core.c ++++ b/net/netfilter/ipset/ip_set_core.c +@@ -61,6 +61,8 @@ MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_IPSET); + ip_set_dereference((inst)->ip_set_list)[id] + #define ip_set_ref_netlink(inst,id) \ + rcu_dereference_raw((inst)->ip_set_list)[id] ++#define ip_set_dereference_nfnl(p) \ ++ rcu_dereference_check(p, lockdep_nfnl_is_held(NFNL_SUBSYS_IPSET)) + + /* The set types are implemented in modules and registered set types + * can be found in ip_set_type_list. Adding/deleting types is +@@ -708,15 +710,10 @@ __ip_set_put_netlink(struct ip_set *set) + static struct ip_set * + ip_set_rcu_get(struct net *net, ip_set_id_t index) + { +- struct ip_set *set; + struct ip_set_net *inst = ip_set_pernet(net); + +- rcu_read_lock(); +- /* ip_set_list itself needs to be protected */ +- set = rcu_dereference(inst->ip_set_list)[index]; +- rcu_read_unlock(); +- +- return set; ++ /* ip_set_list and the set pointer need to be protected */ ++ return ip_set_dereference_nfnl(inst->ip_set_list)[index]; + } + + static inline void +@@ -1407,6 +1404,9 @@ static int ip_set_swap(struct net *net, struct sock *ctnl, struct sk_buff *skb, + ip_set(inst, to_id) = from; + write_unlock_bh(&ip_set_ref_lock); + ++ /* Make sure all readers of the old set pointers are completed. */ ++ synchronize_rcu(); ++ + return 0; + } + +diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c +index fbfcc3275cadf..bc30bd121ff2f 100644 +--- a/net/netfilter/nft_set_pipapo.c ++++ b/net/netfilter/nft_set_pipapo.c +@@ -2028,6 +2028,9 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set, + + e = f->mt[r].e; + ++ if (!nft_set_elem_active(&e->ext, iter->genmask)) ++ goto cont; ++ + elem.priv = e; + + iter->err = iter->fn(ctx, set, iter, &elem); +diff --git a/net/netfilter/xt_owner.c b/net/netfilter/xt_owner.c +index e85ce69924aee..50332888c8d23 100644 +--- a/net/netfilter/xt_owner.c ++++ b/net/netfilter/xt_owner.c +@@ -76,18 +76,23 @@ owner_mt(const struct sk_buff *skb, struct xt_action_param *par) + */ + return false; + +- filp = sk->sk_socket->file; +- if (filp == NULL) ++ read_lock_bh(&sk->sk_callback_lock); ++ filp = sk->sk_socket ? sk->sk_socket->file : NULL; ++ if (filp == NULL) { ++ read_unlock_bh(&sk->sk_callback_lock); + return ((info->match ^ info->invert) & + (XT_OWNER_UID | XT_OWNER_GID)) == 0; ++ } + + if (info->match & XT_OWNER_UID) { + kuid_t uid_min = make_kuid(net->user_ns, info->uid_min); + kuid_t uid_max = make_kuid(net->user_ns, info->uid_max); + if ((uid_gte(filp->f_cred->fsuid, uid_min) && + uid_lte(filp->f_cred->fsuid, uid_max)) ^ +- !(info->invert & XT_OWNER_UID)) ++ !(info->invert & XT_OWNER_UID)) { ++ read_unlock_bh(&sk->sk_callback_lock); + return false; ++ } + } + + if (info->match & XT_OWNER_GID) { +@@ -112,10 +117,13 @@ owner_mt(const struct sk_buff *skb, struct xt_action_param *par) + } + } + +- if (match ^ !(info->invert & XT_OWNER_GID)) ++ if (match ^ !(info->invert & XT_OWNER_GID)) { ++ read_unlock_bh(&sk->sk_callback_lock); + return false; ++ } + } + ++ read_unlock_bh(&sk->sk_callback_lock); + return true; + } + +diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c +index 9737c3229c12a..901358a5b5931 100644 +--- a/net/netlink/af_netlink.c ++++ b/net/netlink/af_netlink.c +@@ -1021,7 +1021,6 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, + return -EINVAL; + } + +- netlink_lock_table(); + if (nlk->netlink_bind && groups) { + int group; + +@@ -1033,13 +1032,14 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, + if (!err) + continue; + netlink_undo_bind(group, groups, sk); +- goto unlock; ++ return err; + } + } + + /* No need for barriers here as we return to user-space without + * using any of the bound attributes. + */ ++ netlink_lock_table(); + if (!bound) { + err = nladdr->nl_pid ? + netlink_insert(sk, nladdr->nl_pid) : +diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c +index 9fd7ba01b9f8b..e9035de655467 100644 +--- a/net/netlink/genetlink.c ++++ b/net/netlink/genetlink.c +@@ -1364,11 +1364,46 @@ static struct genl_family genl_ctrl __ro_after_init = { + .netnsok = true, + }; + ++static int genl_bind(struct net *net, int group) ++{ ++ const struct genl_family *family; ++ unsigned int id; ++ int ret = 0; ++ ++ genl_lock_all(); ++ ++ idr_for_each_entry(&genl_fam_idr, family, id) { ++ const struct genl_multicast_group *grp; ++ int i; ++ ++ if (family->n_mcgrps == 0) ++ continue; ++ ++ i = group - family->mcgrp_offset; ++ if (i < 0 || i >= family->n_mcgrps) ++ continue; ++ ++ grp = &family->mcgrps[i]; ++ if ((grp->flags & GENL_UNS_ADMIN_PERM) && ++ !ns_capable(net->user_ns, CAP_NET_ADMIN)) ++ ret = -EPERM; ++ if (grp->cap_sys_admin && ++ !ns_capable(net->user_ns, CAP_SYS_ADMIN)) ++ ret = -EPERM; ++ ++ break; ++ } ++ ++ genl_unlock_all(); ++ return ret; ++} ++ + static int __net_init genl_pernet_init(struct net *net) + { + struct netlink_kernel_cfg cfg = { + .input = genl_rcv, + .flags = NL_CFG_F_NONROOT_RECV, ++ .bind = genl_bind, + }; + + /* we'll bump the group number right afterwards */ +diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c +index bbdb32acac324..b292d58fdcc4c 100644 +--- a/net/packet/af_packet.c ++++ b/net/packet/af_packet.c +@@ -4248,7 +4248,7 @@ static void packet_mm_open(struct vm_area_struct *vma) + struct sock *sk = sock->sk; + + if (sk) +- atomic_inc(&pkt_sk(sk)->mapped); ++ atomic_long_inc(&pkt_sk(sk)->mapped); + } + + static void packet_mm_close(struct vm_area_struct *vma) +@@ -4258,7 +4258,7 @@ static void packet_mm_close(struct vm_area_struct *vma) + struct sock *sk = sock->sk; + + if (sk) +- atomic_dec(&pkt_sk(sk)->mapped); ++ atomic_long_dec(&pkt_sk(sk)->mapped); + } + + static const struct vm_operations_struct packet_mmap_ops = { +@@ -4353,7 +4353,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + + err = -EBUSY; + if (!closing) { +- if (atomic_read(&po->mapped)) ++ if (atomic_long_read(&po->mapped)) + goto out; + if (packet_read_pending(rb)) + goto out; +@@ -4456,7 +4456,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + + err = -EBUSY; + mutex_lock(&po->pg_vec_lock); +- if (closing || atomic_read(&po->mapped) == 0) { ++ if (closing || atomic_long_read(&po->mapped) == 0) { + err = 0; + spin_lock_bh(&rb_queue->lock); + swap(rb->pg_vec, pg_vec); +@@ -4474,9 +4474,9 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + po->prot_hook.func = (po->rx_ring.pg_vec) ? + tpacket_rcv : packet_rcv; + skb_queue_purge(rb_queue); +- if (atomic_read(&po->mapped)) +- pr_err("packet_mmap: vma is busy: %d\n", +- atomic_read(&po->mapped)); ++ if (atomic_long_read(&po->mapped)) ++ pr_err("packet_mmap: vma is busy: %ld\n", ++ atomic_long_read(&po->mapped)); + } + mutex_unlock(&po->pg_vec_lock); + +@@ -4554,7 +4554,7 @@ static int packet_mmap(struct file *file, struct socket *sock, + } + } + +- atomic_inc(&po->mapped); ++ atomic_long_inc(&po->mapped); + vma->vm_ops = &packet_mmap_ops; + err = 0; + +diff --git a/net/packet/internal.h b/net/packet/internal.h +index 3938cb413d5d3..69e58cb744929 100644 +--- a/net/packet/internal.h ++++ b/net/packet/internal.h +@@ -126,7 +126,7 @@ struct packet_sock { + __be16 num; + struct packet_rollover *rollover; + struct packet_mclist *mclist; +- atomic_t mapped; ++ atomic_long_t mapped; + enum tpacket_versions tp_version; + unsigned int tp_hdrlen; + unsigned int tp_reserve; +diff --git a/net/psample/psample.c b/net/psample/psample.c +index 482c07f2766b1..5913da77c71d2 100644 +--- a/net/psample/psample.c ++++ b/net/psample/psample.c +@@ -30,7 +30,8 @@ enum psample_nl_multicast_groups { + + static const struct genl_multicast_group psample_nl_mcgrps[] = { + [PSAMPLE_NL_MCGRP_CONFIG] = { .name = PSAMPLE_NL_MCGRP_CONFIG_NAME }, +- [PSAMPLE_NL_MCGRP_SAMPLE] = { .name = PSAMPLE_NL_MCGRP_SAMPLE_NAME }, ++ [PSAMPLE_NL_MCGRP_SAMPLE] = { .name = PSAMPLE_NL_MCGRP_SAMPLE_NAME, ++ .flags = GENL_UNS_ADMIN_PERM }, + }; + + static struct genl_family psample_nl_family __ro_after_init; +diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl +index d2c38584ece6f..758884b61f923 100755 +--- a/scripts/checkstack.pl ++++ b/scripts/checkstack.pl +@@ -142,15 +142,11 @@ $total_size = 0; + while (my $line = <STDIN>) { + if ($line =~ m/$funcre/) { + $func = $1; +- next if $line !~ m/^($xs*)/; ++ next if $line !~ m/^($x*)/; + if ($total_size > $min_stack) { + push @stack, "$intro$total_size\n"; + } +- +- $addr = $1; +- $addr =~ s/ /0/g; +- $addr = "0x$addr"; +- ++ $addr = "0x$1"; + $intro = "$addr $func [$file]:"; + my $padlen = 56 - length($intro); + while ($padlen > 0) { +diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c +index ffa3ec65cc907..a2056fa80de2b 100644 +--- a/scripts/kconfig/symbol.c ++++ b/scripts/kconfig/symbol.c +@@ -123,9 +123,9 @@ static long long sym_get_range_val(struct symbol *sym, int base) + static void sym_validate_range(struct symbol *sym) + { + struct property *prop; ++ struct symbol *range_sym; + int base; + long long val, val2; +- char str[64]; + + switch (sym->type) { + case S_INT: +@@ -141,17 +141,15 @@ static void sym_validate_range(struct symbol *sym) + if (!prop) + return; + val = strtoll(sym->curr.val, NULL, base); +- val2 = sym_get_range_val(prop->expr->left.sym, base); ++ range_sym = prop->expr->left.sym; ++ val2 = sym_get_range_val(range_sym, base); + if (val >= val2) { +- val2 = sym_get_range_val(prop->expr->right.sym, base); ++ range_sym = prop->expr->right.sym; ++ val2 = sym_get_range_val(range_sym, base); + if (val <= val2) + return; + } +- if (sym->type == S_INT) +- sprintf(str, "%lld", val2); +- else +- sprintf(str, "0x%llx", val2); +- sym->curr.val = xstrdup(str); ++ sym->curr.val = range_sym->curr.val; + } + + static void sym_set_changed(struct symbol *sym) +diff --git a/sound/core/pcm.c b/sound/core/pcm.c +index 59d222446d777..bec81f6ba6ba5 100644 +--- a/sound/core/pcm.c ++++ b/sound/core/pcm.c +@@ -251,6 +251,7 @@ static const char * const snd_pcm_state_names[] = { + STATE(DRAINING), + STATE(PAUSED), + STATE(SUSPENDED), ++ STATE(DISCONNECTED), + }; + + static const char * const snd_pcm_access_names[] = { +diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c +index 3d94a2f41d820..d9140630cf3d9 100644 +--- a/sound/pci/hda/patch_realtek.c ++++ b/sound/pci/hda/patch_realtek.c +@@ -11227,6 +11227,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { + SND_PCI_QUIRK(0x17aa, 0x32f7, "Lenovo ThinkCentre M90", ALC897_FIXUP_HEADSET_MIC_PIN), + SND_PCI_QUIRK(0x17aa, 0x3321, "Lenovo ThinkCentre M70 Gen4", ALC897_FIXUP_HEADSET_MIC_PIN), + SND_PCI_QUIRK(0x17aa, 0x331b, "Lenovo ThinkCentre M90 Gen4", ALC897_FIXUP_HEADSET_MIC_PIN), ++ SND_PCI_QUIRK(0x17aa, 0x3364, "Lenovo ThinkCentre M90 Gen5", ALC897_FIXUP_HEADSET_MIC_PIN), + SND_PCI_QUIRK(0x17aa, 0x3742, "Lenovo TianYi510Pro-14IOB", ALC897_FIXUP_HEADSET_MIC_PIN2), + SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo Ideapad Y550P", ALC662_FIXUP_IDEAPAD), + SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Ideapad Y550", ALC662_FIXUP_IDEAPAD), +diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c +index 10189f44af28f..ef7936fce7a23 100644 +--- a/sound/soc/codecs/wm_adsp.c ++++ b/sound/soc/codecs/wm_adsp.c +@@ -3763,12 +3763,12 @@ static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) + ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, + ®ion->base_addr); + if (ret < 0) +- return ret; ++ goto err; + + ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, + &offset); + if (ret < 0) +- return ret; ++ goto err; + + region->cumulative_size = offset; + +@@ -3779,6 +3779,10 @@ static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) + } + + return 0; ++ ++err: ++ kfree(buf->regions); ++ return ret; + } + + static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) +diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h +index b95d3c485d27e..6ca63ab6bee5d 100644 +--- a/tools/include/uapi/linux/perf_event.h ++++ b/tools/include/uapi/linux/perf_event.h +@@ -279,6 +279,7 @@ enum { + * { u64 time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED + * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING + * { u64 id; } && PERF_FORMAT_ID ++ * { u64 lost; } && PERF_FORMAT_LOST + * } && !PERF_FORMAT_GROUP + * + * { u64 nr; +@@ -286,6 +287,7 @@ enum { + * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING + * { u64 value; + * { u64 id; } && PERF_FORMAT_ID ++ * { u64 lost; } && PERF_FORMAT_LOST + * } cntr[nr]; + * } && PERF_FORMAT_GROUP + * }; +@@ -295,8 +297,9 @@ enum perf_event_read_format { + PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, + PERF_FORMAT_ID = 1U << 2, + PERF_FORMAT_GROUP = 1U << 3, ++ PERF_FORMAT_LOST = 1U << 4, + +- PERF_FORMAT_MAX = 1U << 4, /* non-ABI */ ++ PERF_FORMAT_MAX = 1U << 5, /* non-ABI */ + }; + + #define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ |