Merge beff507e9e ("s390/cpum_sf: Remove WARN_ON_ONCE statements") into android14-6.1-lts

Steps on the way to 6.1.113 Resolves merge conflicts in: fs/erofs/fscache.c fs/erofs/inode.c fs/erofs/zdata.c kernel/sched/psi.c Change-Id: Icbb83e1d8d4b65f380f36046a6e98e341c53d77d Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2026-06-04 18:19:28 +09:00 · 2024-11-13 15:19:22 +00:00
parent 0eefe2e6a1 beff507e9e
commit ff83a68a27
254 changed files with 2887 additions and 2881 deletions
--- a/Documentation/accounting/delay-accounting.rst
+++ b/Documentation/accounting/delay-accounting.rst
@@ -109,17 +109,17 @@ Get sum of delays, since system boot, for all pids with tgid 5::
 	CPU             count     real total  virtual total    delay total  delay average
 	                    8        7000000        6872122        3382277          0.423ms
 	IO              count    delay total  delay average
-		            0              0              0ms
+                   0              0          0.000ms
 	SWAP            count    delay total  delay average
-	                    0              0              0ms
+                       0              0          0.000ms
 	RECLAIM         count    delay total  delay average
-		            0              0              0ms
+                   0              0          0.000ms
 	THRASHING       count    delay total  delay average
-	                    0              0              0ms
+                       0              0          0.000ms
 	COMPACT         count    delay total  delay average
-	                    0              0              0ms
-        WPCOPY          count    delay total  delay average
-                            0              0              0ms
+                       0              0          0.000ms
+   WPCOPY          count    delay total  delay average
+                       0              0          0.000ms

 Get IO accounting for pid 1, it works only with -p::

--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4588,6 +4588,16 @@
 	printk.time=	Show timing data prefixed to each printk message line
 			Format: <bool>  (1/Y/y=enable, 0/N/n=disable)

+	proc_mem.force_override= [KNL]
+			Format: {always | ptrace | never}
+			Traditionally /proc/pid/mem allows memory permissions to be
+			overridden without restrictions. This option may be set to
+			restrict that. Can be one of:
+			- 'always': traditional behavior always allows mem overrides.
+			- 'ptrace': only allow mem overrides for active ptracers.
+			- 'never':  never allow mem overrides.
+			If not specified, default is the CONFIG_PROC_MEM_* choice.
+
 	processor.max_cstate=	[HW,ACPI]
 			Limit processor to maximum C-state
 			max_cstate=9 overrides any DMI blacklist limit.
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -130,6 +130,8 @@ stable kernels.
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Cortex-A710     | #3324338        | ARM64_ERRATUM_3194386       |
 +----------------+-----------------+-----------------+-----------------------------+
+| ARM            | Cortex-A715     | #3456084        | ARM64_ERRATUM_3194386       |
+----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Cortex-A720     | #3456091        | ARM64_ERRATUM_3194386       |
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Cortex-A725     | #3456106        | ARM64_ERRATUM_3194386       |
@@ -166,6 +168,8 @@ stable kernels.
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Neoverse-N2     | #3324339        | ARM64_ERRATUM_3194386       |
 +----------------+-----------------+-----------------+-----------------------------+
+| ARM            | Neoverse-N3     | #3456111        | ARM64_ERRATUM_3194386       |
+----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Neoverse-V1     | #3324341        | ARM64_ERRATUM_3194386       |
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Neoverse-V2     | #3324336        | ARM64_ERRATUM_3194386       |
--- a/Documentation/translations/zh_CN/accounting/delay-accounting.rst
+++ b/Documentation/translations/zh_CN/accounting/delay-accounting.rst
@@ -17,8 +17,9 @@ a) 等待一个CPU（任务为可运行）
 b) 完成由该任务发起的块I/O同步请求
 c) 页面交换
 d) 内存回收
-e) 页缓存抖动
+e) 抖动
 f) 直接规整
+g) 写保护复制

 并将这些统计信息通过taskstats接口提供给用户空间。

@@ -42,7 +43,7 @@ f) 直接规整
     include/uapi/linux/taskstats.h

 其描述了延时计数相关字段。系统通常以计数器形式返回 CPU、同步块 I/O、交换、内存
-回收、页缓存抖动、直接规整等的累积延时。
+回收、页缓存抖动、直接规整、写保护复制等的累积延时。

 取任务某计数器两个连续读数的差值，将得到任务在该时间间隔内等待对应资源的总延时。

@@ -91,15 +92,17 @@ getdelays命令的一般格式::
 	CPU             count     real total  virtual total    delay total  delay average
 	                    8        7000000        6872122        3382277          0.423ms
 	IO              count    delay total  delay average
-	                    0              0              0ms
+	                    0              0              0.000ms
 	SWAP            count    delay total  delay average
-	                    0              0              0ms
+	                    0              0              0.000ms
 	RECLAIM         count    delay total  delay average
-	                    0              0              0ms
+	                    0              0              0.000ms
 	THRASHING       count    delay total  delay average
-	                    0              0              0ms
+	                    0              0              0.000ms
 	COMPACT         count    delay total  delay average
-	                    0              0              0ms
+	                    0              0              0.000ms
+    WPCOPY          count    delay total  delay average
+                       0              0              0ms

 获取pid为1的IO计数，它只和-p一起使用::
 	# ./getdelays -i -p 1
--- a/arch/arm/crypto/aes-ce-glue.c
+++ b/arch/arm/crypto/aes-ce-glue.c
@@ -711,7 +711,7 @@ static int __init aes_init(void)
 		algname = aes_algs[i].base.cra_name + 2;
 		drvname = aes_algs[i].base.cra_driver_name + 2;
 		basename = aes_algs[i].base.cra_driver_name;
-		simd = simd_skcipher_create_compat(algname, drvname, basename);
+		simd = simd_skcipher_create_compat(aes_algs + i, algname, drvname, basename);
 		err = PTR_ERR(simd);
 		if (IS_ERR(simd))
 			goto unregister_simds;
--- a/arch/arm/crypto/aes-neonbs-glue.c
+++ b/arch/arm/crypto/aes-neonbs-glue.c
@@ -539,7 +539,7 @@ static int __init aes_init(void)
 		algname = aes_algs[i].base.cra_name + 2;
 		drvname = aes_algs[i].base.cra_driver_name + 2;
 		basename = aes_algs[i].base.cra_driver_name;
-		simd = simd_skcipher_create_compat(algname, drvname, basename);
+		simd = simd_skcipher_create_compat(aes_algs + i, algname, drvname, basename);
 		err = PTR_ERR(simd);
 		if (IS_ERR(simd))
 			goto unregister_simds;
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -999,6 +999,7 @@ config ARM64_ERRATUM_3194386
 	  * ARM Cortex-A78C erratum 3324346
 	  * ARM Cortex-A78C erratum 3324347
 	  * ARM Cortex-A710 erratam 3324338
+	  * ARM Cortex-A715 errartum 3456084
 	  * ARM Cortex-A720 erratum 3456091
 	  * ARM Cortex-A725 erratum 3456106
 	  * ARM Cortex-X1 erratum 3324344
@@ -1009,6 +1010,7 @@ config ARM64_ERRATUM_3194386
 	  * ARM Cortex-X925 erratum 3324334
 	  * ARM Neoverse-N1 erratum 3324349
 	  * ARM Neoverse N2 erratum 3324339
+	  * ARM Neoverse-N3 erratum 3456111
 	  * ARM Neoverse-V1 erratum 3324341
 	  * ARM Neoverse V2 erratum 3324336
 	  * ARM Neoverse-V3 erratum 3312417
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -2125,7 +2125,7 @@
 				     "jedec,ufs-2.0";
 			reg = <0 0x01d84000 0 0x3000>;
 			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
-			phys = <&ufs_mem_phy>;
+			phys = <&ufs_mem_phy_lanes>;
 			phy-names = "ufsphy";
 			lanes-per-direction = <2>;
 			#reset-cells = <1>;
@@ -2169,8 +2169,10 @@

 		ufs_mem_phy: phy@1d87000 {
 			compatible = "qcom,sm8250-qmp-ufs-phy";
-			reg = <0 0x01d87000 0 0x1000>;
-
+			reg = <0 0x01d87000 0 0x1c0>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
 			clock-names = "ref",
 				      "ref_aux";
 			clocks = <&rpmhcc RPMH_CXO_CLK>,
@@ -2178,12 +2180,18 @@

 			resets = <&ufs_mem_hc 0>;
 			reset-names = "ufsphy";
+			status = "disabled";

 			power-domains = <&gcc UFS_PHY_GDSC>;

-			#phy-cells = <0>;
-
-			status = "disabled";
+			ufs_mem_phy_lanes: phy@1d87400 {
+				reg = <0 0x01d87400 0 0x16c>,
+				      <0 0x01d87600 0 0x200>,
+				      <0 0x01d87c00 0 0x200>,
+				      <0 0x01d87800 0 0x16c>,
+				      <0 0x01d87a00 0 0x200>;
+				#phy-cells = <0>;
+			};
 		};

 		ipa_virt: interconnect@1e00000 {
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -82,6 +82,7 @@
 #define ARM_CPU_PART_CORTEX_A510	0xD46
 #define ARM_CPU_PART_CORTEX_A520	0xD80
 #define ARM_CPU_PART_CORTEX_A710	0xD47
+#define ARM_CPU_PART_CORTEX_A715	0xD4D
 #define ARM_CPU_PART_CORTEX_X2		0xD48
 #define ARM_CPU_PART_NEOVERSE_N2	0xD49
 #define ARM_CPU_PART_CORTEX_A78C	0xD4B
@@ -93,6 +94,7 @@
 #define ARM_CPU_PART_NEOVERSE_V3	0xD84
 #define ARM_CPU_PART_CORTEX_X925	0xD85
 #define ARM_CPU_PART_CORTEX_A725	0xD87
+#define ARM_CPU_PART_NEOVERSE_N3	0xD8E

 #define APM_CPU_PART_XGENE		0x000
 #define APM_CPU_VAR_POTENZA		0x00
@@ -156,6 +158,7 @@
 #define MIDR_CORTEX_A510 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A510)
 #define MIDR_CORTEX_A520 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A520)
 #define MIDR_CORTEX_A710 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A710)
+#define MIDR_CORTEX_A715 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A715)
 #define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2)
 #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2)
 #define MIDR_CORTEX_A78C	MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C)
@@ -167,6 +170,7 @@
 #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3)
 #define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925)
 #define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725)
+#define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3)
 #define MIDR_THUNDERX	MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX)
 #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)
 #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX)
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -442,6 +442,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = {
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A78),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A78C),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A715),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A720),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_A725),
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_X1),
@@ -452,6 +453,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = {
 	MIDR_ALL_VERSIONS(MIDR_CORTEX_X925),
 	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1),
 	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N3),
 	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1),
 	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2),
 	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3),
--- a/arch/loongarch/configs/loongson3_defconfig
+++ b/arch/loongarch/configs/loongson3_defconfig
@@ -82,7 +82,6 @@ CONFIG_ZSWAP=y
 CONFIG_ZSWAP_COMPRESSOR_DEFAULT_ZSTD=y
 CONFIG_ZPOOL=y
 CONFIG_ZBUD=y
-CONFIG_Z3FOLD=y
 CONFIG_ZSMALLOC=m
 CONFIG_NET=y
 CONFIG_PACKET=y
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1038,8 +1038,7 @@ ENTRY_CFI(intr_save)		/* for os_hpmc */
 	STREG           %r16, PT_ISR(%r29)
 	STREG           %r17, PT_IOR(%r29)

-#if 0 && defined(CONFIG_64BIT)
-	/* Revisit when we have 64-bit code above 4Gb */
+#if defined(CONFIG_64BIT)
 	b,n		intr_save2

 skip_save_ior:
@@ -1047,8 +1046,7 @@ skip_save_ior:
 	 * need to adjust iasq/iaoq here in the same way we adjusted isr/ior
 	 * above.
 	 */
-	extrd,u,*	%r8,PSW_W_BIT,1,%r1
-	cmpib,COND(=),n	1,%r1,intr_save2
+	bb,COND(>=),n	%r8,PSW_W_BIT,intr_save2
 	LDREG		PT_IASQ0(%r29), %r16
 	LDREG		PT_IAOQ0(%r29), %r17
 	/* adjust iasq/iaoq */
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -232,10 +232,10 @@ linux_gateway_entry:

 #ifdef CONFIG_64BIT
 	ldil	L%sys_call_table, %r1
-	or,=	%r2,%r2,%r2
-	addil	L%(sys_call_table64-sys_call_table), %r1
+	or,ev	%r2,%r2,%r2
+	ldil	L%sys_call_table64, %r1
 	ldo	R%sys_call_table(%r1), %r19
-	or,=	%r2,%r2,%r2
+	or,ev	%r2,%r2,%r2
 	ldo	R%sys_call_table64(%r1), %r19
 #else
 	load32	sys_call_table, %r19
@@ -368,10 +368,10 @@ tracesys_next:
 	extrd,u	%r19,63,1,%r2			/* W hidden in bottom bit */

 	ldil	L%sys_call_table, %r1
-	or,=	%r2,%r2,%r2
-	addil	L%(sys_call_table64-sys_call_table), %r1
+	or,ev	%r2,%r2,%r2
+	ldil	L%sys_call_table64, %r1
 	ldo	R%sys_call_table(%r1), %r19
-	or,=	%r2,%r2,%r2
+	or,ev	%r2,%r2,%r2
 	ldo	R%sys_call_table64(%r1), %r19
 #else
 	load32	sys_call_table, %r19
@@ -1310,6 +1310,8 @@ ENTRY(sys_call_table)
 END(sys_call_table)

 #ifdef CONFIG_64BIT
+#undef __SYSCALL_WITH_COMPAT
+#define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, native)
 	.align 8
 ENTRY(sys_call_table64)
 #include <asm/syscall_table_64.h>    /* 64-bit syscalls */
--- a/arch/powerpc/include/asm/vdso_datapage.h
+++ b/arch/powerpc/include/asm/vdso_datapage.h
@@ -111,6 +111,21 @@ extern struct vdso_arch_data *vdso_data;
 	addi	\ptr, \ptr, (_vdso_datapage - 999b)@l
 .endm

+#include <asm/asm-offsets.h>
+#include <asm/page.h>
+
+.macro get_realdatapage ptr scratch
+	get_datapage \ptr
+#ifdef CONFIG_TIME_NS
+	lwz	\scratch, VDSO_CLOCKMODE_OFFSET(\ptr)
+	xoris	\scratch, \scratch, VDSO_CLOCKMODE_TIMENS@h
+	xori	\scratch, \scratch, VDSO_CLOCKMODE_TIMENS@l
+	cntlzw	\scratch, \scratch
+	rlwinm	\scratch, \scratch, PAGE_SHIFT - 5, 1 << PAGE_SHIFT
+	add	\ptr, \ptr, \scratch
+#endif
+.endm
+
 #endif /* __ASSEMBLY__ */

 #endif /* __KERNEL__ */
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -347,6 +347,8 @@ int main(void)
 #else
 	OFFSET(CFG_SYSCALL_MAP32, vdso_arch_data, syscall_map);
 #endif
+	OFFSET(VDSO_CLOCKMODE_OFFSET, vdso_arch_data, data[0].clock_mode);
+	DEFINE(VDSO_CLOCKMODE_TIMENS, VDSO_CLOCKMODE_TIMENS);

 #ifdef CONFIG_BUG
 	DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
--- a/arch/powerpc/kernel/vdso/cacheflush.S
+++ b/arch/powerpc/kernel/vdso/cacheflush.S
@@ -30,7 +30,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
 #ifdef CONFIG_PPC64
 	mflr	r12
  .cfi_register lr,r12
-	get_datapage	r10
+	get_realdatapage	r10, r11
 	mtlr	r12
  .cfi_restore	lr
 #endif
--- a/arch/powerpc/kernel/vdso/datapage.S
+++ b/arch/powerpc/kernel/vdso/datapage.S
@@ -28,7 +28,7 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map)
 	mflr	r12
  .cfi_register lr,r12
 	mr.	r4,r3
-	get_datapage	r3
+	get_realdatapage	r3, r11
 	mtlr	r12
 #ifdef __powerpc64__
 	addi	r3,r3,CFG_SYSCALL_MAP64
@@ -52,7 +52,7 @@ V_FUNCTION_BEGIN(__kernel_get_tbfreq)
  .cfi_startproc
 	mflr	r12
  .cfi_register lr,r12
-	get_datapage	r3
+	get_realdatapage	r3, r11
 #ifndef __powerpc64__
 	lwz	r4,(CFG_TB_TICKS_PER_SEC + 4)(r3)
 #endif
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -343,23 +343,6 @@ int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_elog)
 {
 	int rc;

-	/* pseries error logs are in BE format, convert to cpu type */
-	switch (hp_elog->id_type) {
-	case PSERIES_HP_ELOG_ID_DRC_COUNT:
-		hp_elog->_drc_u.drc_count =
-				be32_to_cpu(hp_elog->_drc_u.drc_count);
-		break;
-	case PSERIES_HP_ELOG_ID_DRC_INDEX:
-		hp_elog->_drc_u.drc_index =
-				be32_to_cpu(hp_elog->_drc_u.drc_index);
-		break;
-	case PSERIES_HP_ELOG_ID_DRC_IC:
-		hp_elog->_drc_u.ic.count =
-				be32_to_cpu(hp_elog->_drc_u.ic.count);
-		hp_elog->_drc_u.ic.index =
-				be32_to_cpu(hp_elog->_drc_u.ic.index);
-	}
-
 	switch (hp_elog->resource) {
 	case PSERIES_HP_ELOG_RESOURCE_MEM:
 		rc = dlpar_memory(hp_elog);
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -748,7 +748,7 @@ int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
 	u32 drc_index;
 	int rc;

-	drc_index = hp_elog->_drc_u.drc_index;
+	drc_index = be32_to_cpu(hp_elog->_drc_u.drc_index);

 	lock_device_hotplug();

--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -876,16 +876,16 @@ int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
 	case PSERIES_HP_ELOG_ACTION_ADD:
 		switch (hp_elog->id_type) {
 		case PSERIES_HP_ELOG_ID_DRC_COUNT:
-			count = hp_elog->_drc_u.drc_count;
+			count = be32_to_cpu(hp_elog->_drc_u.drc_count);
 			rc = dlpar_memory_add_by_count(count);
 			break;
 		case PSERIES_HP_ELOG_ID_DRC_INDEX:
-			drc_index = hp_elog->_drc_u.drc_index;
+			drc_index = be32_to_cpu(hp_elog->_drc_u.drc_index);
 			rc = dlpar_memory_add_by_index(drc_index);
 			break;
 		case PSERIES_HP_ELOG_ID_DRC_IC:
-			count = hp_elog->_drc_u.ic.count;
-			drc_index = hp_elog->_drc_u.ic.index;
+			count = be32_to_cpu(hp_elog->_drc_u.ic.count);
+			drc_index = be32_to_cpu(hp_elog->_drc_u.ic.index);
 			rc = dlpar_memory_add_by_ic(count, drc_index);
 			break;
 		default:
@@ -897,16 +897,16 @@ int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
 	case PSERIES_HP_ELOG_ACTION_REMOVE:
 		switch (hp_elog->id_type) {
 		case PSERIES_HP_ELOG_ID_DRC_COUNT:
-			count = hp_elog->_drc_u.drc_count;
+			count = be32_to_cpu(hp_elog->_drc_u.drc_count);
 			rc = dlpar_memory_remove_by_count(count);
 			break;
 		case PSERIES_HP_ELOG_ID_DRC_INDEX:
-			drc_index = hp_elog->_drc_u.drc_index;
+			drc_index = be32_to_cpu(hp_elog->_drc_u.drc_index);
 			rc = dlpar_memory_remove_by_index(drc_index);
 			break;
 		case PSERIES_HP_ELOG_ID_DRC_IC:
-			count = hp_elog->_drc_u.ic.count;
-			drc_index = hp_elog->_drc_u.ic.index;
+			count = be32_to_cpu(hp_elog->_drc_u.ic.count);
+			drc_index = be32_to_cpu(hp_elog->_drc_u.ic.index);
 			rc = dlpar_memory_remove_by_ic(count, drc_index);
 			break;
 		default:
--- a/arch/powerpc/platforms/pseries/pmem.c
+++ b/arch/powerpc/platforms/pseries/pmem.c
@@ -121,7 +121,7 @@ int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
 		return -EINVAL;
 	}

-	drc_index = hp_elog->_drc_u.drc_index;
+	drc_index = be32_to_cpu(hp_elog->_drc_u.drc_index);

 	lock_device_hotplug();

--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -217,6 +217,11 @@ config GENERIC_HWEIGHT
 config FIX_EARLYCON_MEM
 	def_bool MMU

+config ILLEGAL_POINTER_VALUE
+	hex
+	default 0 if 32BIT
+	default 0xdead000000000000 if 64BIT
+
 config PGTABLE_LEVELS
 	int
 	default 5 if 64BIT
--- a/arch/s390/include/asm/facility.h
+++ b/arch/s390/include/asm/facility.h
@@ -60,8 +60,10 @@ static inline int test_facility(unsigned long nr)
 	unsigned long facilities_als[] = { FACILITIES_ALS };

 	if (__builtin_constant_p(nr) && nr < sizeof(facilities_als) * 8) {
-		if (__test_facility(nr, &facilities_als))
-			return 1;
+		if (__test_facility(nr, &facilities_als)) {
+			if (!__is_defined(__DECOMPRESSOR))
+				return 1;
+		}
 	}
 	return __test_facility(nr, &stfle_fac_list);
 }
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1432,7 +1432,7 @@ static int aux_output_begin(struct perf_output_handle *handle,
 	unsigned long head, base, offset;
 	struct hws_trailer_entry *te;

-	if (WARN_ON_ONCE(handle->head & ~PAGE_MASK))
+	if (handle->head & ~PAGE_MASK)
 		return -EINVAL;

 	aux->head = handle->head >> PAGE_SHIFT;
@@ -1613,7 +1613,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw)
 	unsigned long num_sdb;

 	aux = perf_get_aux(handle);
-	if (WARN_ON_ONCE(!aux))
+	if (!aux)
 		return;

 	/* Inform user space new data arrived */
@@ -1635,7 +1635,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw)
 					    __func__);
 			break;
 		}
-		if (WARN_ON_ONCE(!aux))
+		if (!aux)
 			return;

 		/* Update head and alert_mark to new position */
@@ -1870,12 +1870,8 @@ static void cpumsf_pmu_start(struct perf_event *event, int flags)
 {
 	struct cpu_hw_sf *cpuhw = this_cpu_ptr(&cpu_hw_sf);

-	if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED)))
+	if (!(event->hw.state & PERF_HES_STOPPED))
 		return;
-
-	if (flags & PERF_EF_RELOAD)
-		WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE));
-
 	perf_pmu_disable(event->pmu);
 	event->hw.state = 0;
 	cpuhw->lsctl.cs = 1;
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -95,11 +95,12 @@ static long cmm_alloc_pages(long nr, long *counter,
 		(*counter)++;
 		spin_unlock(&cmm_lock);
 		nr--;
+		cond_resched();
 	}
 	return nr;
 }

-static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
+static long __cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
 {
 	struct cmm_page_array *pa;
 	unsigned long addr;
@@ -123,6 +124,21 @@ static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
 	return nr;
 }

+static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
+{
+	long inc = 0;
+
+	while (nr) {
+		inc = min(256L, nr);
+		nr -= inc;
+		inc = __cmm_free_pages(inc, counter, list);
+		if (inc)
+			break;
+		cond_resched();
+	}
+	return nr + inc;
+}
+
 static int cmm_oom_notify(struct notifier_block *self,
 			  unsigned long dummy, void *parm)
 {
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -41,6 +41,8 @@
 #include <asm/desc.h>
 #include <asm/ldt.h>
 #include <asm/unwind.h>
+#include <asm/uprobes.h>
+#include <asm/ibt.h>

 #include "perf_event.h"

@@ -2841,6 +2843,46 @@ static unsigned long get_segment_base(unsigned int segment)
 	return get_desc_base(desc);
 }

+#ifdef CONFIG_UPROBES
+/*
+ * Heuristic-based check if uprobe is installed at the function entry.
+ *
+ * Under assumption of user code being compiled with frame pointers,
+ * `push %rbp/%ebp` is a good indicator that we indeed are.
+ *
+ * Similarly, `endbr64` (assuming 64-bit mode) is also a common pattern.
+ * If we get this wrong, captured stack trace might have one extra bogus
+ * entry, but the rest of stack trace will still be meaningful.
+ */
+static bool is_uprobe_at_func_entry(struct pt_regs *regs)
+{
+	struct arch_uprobe *auprobe;
+
+	if (!current->utask)
+		return false;
+
+	auprobe = current->utask->auprobe;
+	if (!auprobe)
+		return false;
+
+	/* push %rbp/%ebp */
+	if (auprobe->insn[0] == 0x55)
+		return true;
+
+	/* endbr64 (64-bit only) */
+	if (user_64bit_mode(regs) && is_endbr(*(u32 *)auprobe->insn))
+		return true;
+
+	return false;
+}
+
+#else
+static bool is_uprobe_at_func_entry(struct pt_regs *regs)
+{
+	return false;
+}
+#endif /* CONFIG_UPROBES */
+
 #ifdef CONFIG_IA32_EMULATION

 #include <linux/compat.h>
@@ -2852,6 +2894,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry_ctx *ent
 	unsigned long ss_base, cs_base;
 	struct stack_frame_ia32 frame;
 	const struct stack_frame_ia32 __user *fp;
+	u32 ret_addr;

 	if (user_64bit_mode(regs))
 		return 0;
@@ -2861,6 +2904,12 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry_ctx *ent

 	fp = compat_ptr(ss_base + regs->bp);
 	pagefault_disable();
+
+	/* see perf_callchain_user() below for why we do this */
+	if (is_uprobe_at_func_entry(regs) &&
+	    !get_user(ret_addr, (const u32 __user *)regs->sp))
+		perf_callchain_store(entry, ret_addr);
+
 	while (entry->nr < entry->max_stack) {
 		if (!valid_user_frame(fp, sizeof(frame)))
 			break;
@@ -2889,6 +2938,7 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs
 {
 	struct stack_frame frame;
 	const struct stack_frame __user *fp;
+	unsigned long ret_addr;

 	if (perf_guest_state()) {
 		/* TODO: We don't support guest os callchain now */
@@ -2912,6 +2962,19 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs
 		return;

 	pagefault_disable();
+
+	/*
+	 * If we are called from uprobe handler, and we are indeed at the very
+	 * entry to user function (which is normally a `push %rbp` instruction,
+	 * under assumption of application being compiled with frame pointers),
+	 * we should read return address from *regs->sp before proceeding
+	 * to follow frame pointers, otherwise we'll skip immediate caller
+	 * as %rbp is not yet setup.
+	 */
+	if (is_uprobe_at_func_entry(regs) &&
+	    !get_user(ret_addr, (const unsigned long __user *)regs->sp))
+		perf_callchain_store(entry, ret_addr);
+
 	while (entry->nr < entry->max_stack) {
 		if (!valid_user_frame(fp, sizeof(frame)))
 			break;
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -82,7 +82,12 @@ static inline void syscall_get_arguments(struct task_struct *task,
 					 struct pt_regs *regs,
 					 unsigned long *args)
 {
-	memcpy(args, &regs->bx, 6 * sizeof(args[0]));
+	args[0] = regs->bx;
+	args[1] = regs->cx;
+	args[2] = regs->dx;
+	args[3] = regs->si;
+	args[4] = regs->di;
+	args[5] = regs->bp;
 }

 static inline int syscall_get_arch(struct task_struct *task)
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -351,27 +351,26 @@ static void ioapic_mask_entry(int apic, int pin)
 * shared ISA-space IRQs, so we have to support them. We are super
 * fast in the common case, and fast for shared ISA-space IRQs.
 */
-static int __add_pin_to_irq_node(struct mp_chip_data *data,
-				 int node, int apic, int pin)
+static bool add_pin_to_irq_node(struct mp_chip_data *data, int node, int apic, int pin)
 {
 	struct irq_pin_list *entry;

-	/* don't allow duplicates */
-	for_each_irq_pin(entry, data->irq_2_pin)
+	/* Don't allow duplicates */
+	for_each_irq_pin(entry, data->irq_2_pin) {
 		if (entry->apic == apic && entry->pin == pin)
-			return 0;
+			return true;
+	}

 	entry = kzalloc_node(sizeof(struct irq_pin_list), GFP_ATOMIC, node);
 	if (!entry) {
-		pr_err("can not alloc irq_pin_list (%d,%d,%d)\n",
-		       node, apic, pin);
-		return -ENOMEM;
+		pr_err("Cannot allocate irq_pin_list (%d,%d,%d)\n", node, apic, pin);
+		return false;
 	}
+
 	entry->apic = apic;
 	entry->pin = pin;
 	list_add_tail(&entry->list, &data->irq_2_pin);
-
-	return 0;
+	return true;
 }

 static void __remove_pin_from_irq(struct mp_chip_data *data, int apic, int pin)
@@ -386,13 +385,6 @@ static void __remove_pin_from_irq(struct mp_chip_data *data, int apic, int pin)
 		}
 }

-static void add_pin_to_irq_node(struct mp_chip_data *data,
-				int node, int apic, int pin)
-{
-	if (__add_pin_to_irq_node(data, node, apic, pin))
-		panic("IO-APIC: failed to add irq-pin. Can not proceed\n");
-}
-
 /*
 * Reroute an IRQ to a different pin.
 */
@@ -1001,8 +993,7 @@ static int alloc_isa_irq_from_domain(struct irq_domain *domain,
 	if (irq_data && irq_data->parent_data) {
 		if (!mp_check_pin_attr(irq, info))
 			return -EBUSY;
-		if (__add_pin_to_irq_node(irq_data->chip_data, node, ioapic,
-					  info->ioapic.pin))
+		if (!add_pin_to_irq_node(irq_data->chip_data, node, ioapic, info->ioapic.pin))
 			return -ENOMEM;
 	} else {
 		info->flags |= X86_IRQ_ALLOC_LEGACY;
@@ -3038,10 +3029,8 @@ int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
 		return -ENOMEM;

 	ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, info);
-	if (ret < 0) {
-		kfree(data);
-		return ret;
-	}
+	if (ret < 0)
+		goto free_data;

 	INIT_LIST_HEAD(&data->irq_2_pin);
 	irq_data->hwirq = info->ioapic.pin;
@@ -3050,7 +3039,10 @@ int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
 	irq_data->chip_data = data;
 	mp_irqdomain_get_attr(mp_pin_to_gsi(ioapic, pin), data, info);

-	add_pin_to_irq_node(data, ioapic_alloc_attr_node(info), ioapic, pin);
+	if (!add_pin_to_irq_node(data, ioapic_alloc_attr_node(info), ioapic, pin)) {
+		ret = -ENOMEM;
+		goto free_irqs;
+	}

 	mp_preconfigure_entry(data);
 	mp_register_handler(virq, data->is_level);
@@ -3065,6 +3057,12 @@ int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
 		    ioapic, mpc_ioapic_id(ioapic), pin, virq,
 		    data->is_level, data->active_low);
 	return 0;
+
+free_irqs:
+	irq_domain_free_irqs_parent(domain, virq, nr_irqs);
+free_data:
+	kfree(data);
+	return ret;
 }

 void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq,
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -28,6 +28,7 @@
 #include <asm/setup.h>
 #include <asm/set_memory.h>
 #include <asm/cpu.h>
+#include <asm/efi.h>

 #ifdef CONFIG_ACPI
 /*
@@ -90,6 +91,8 @@ map_efi_systab(struct x86_mapping_info *info, pgd_t *level4p)
 {
 #ifdef CONFIG_EFI
 	unsigned long mstart, mend;
+	void *kaddr;
+	int ret;

 	if (!efi_enabled(EFI_BOOT))
 		return 0;
@@ -105,6 +108,30 @@ map_efi_systab(struct x86_mapping_info *info, pgd_t *level4p)
 	if (!mstart)
 		return 0;

+	ret = kernel_ident_mapping_init(info, level4p, mstart, mend);
+	if (ret)
+		return ret;
+
+	kaddr = memremap(mstart, mend - mstart, MEMREMAP_WB);
+	if (!kaddr) {
+		pr_err("Could not map UEFI system table\n");
+		return -ENOMEM;
+	}
+
+	mstart = efi_config_table;
+
+	if (efi_enabled(EFI_64BIT)) {
+		efi_system_table_64_t *stbl = (efi_system_table_64_t *)kaddr;
+
+		mend = mstart + sizeof(efi_config_table_64_t) * stbl->nr_tables;
+	} else {
+		efi_system_table_32_t *stbl = (efi_system_table_32_t *)kaddr;
+
+		mend = mstart + sizeof(efi_config_table_32_t) * stbl->nr_tables;
+	}
+
+	memunmap(kaddr);
+
 	return kernel_ident_mapping_init(info, level4p, mstart, mend);
 #endif
 	return 0;
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -57,6 +57,56 @@ static bool is_imm8(int value)
 	return value <= 127 && value >= -128;
 }

+/*
+ * Let us limit the positive offset to be <= 123.
+ * This is to ensure eventual jit convergence For the following patterns:
+ * ...
+ * pass4, final_proglen=4391:
+ *   ...
+ *   20e:    48 85 ff                test   rdi,rdi
+ *   211:    74 7d                   je     0x290
+ *   213:    48 8b 77 00             mov    rsi,QWORD PTR [rdi+0x0]
+ *   ...
+ *   289:    48 85 ff                test   rdi,rdi
+ *   28c:    74 17                   je     0x2a5
+ *   28e:    e9 7f ff ff ff          jmp    0x212
+ *   293:    bf 03 00 00 00          mov    edi,0x3
+ * Note that insn at 0x211 is 2-byte cond jump insn for offset 0x7d (-125)
+ * and insn at 0x28e is 5-byte jmp insn with offset -129.
+ *
+ * pass5, final_proglen=4392:
+ *   ...
+ *   20e:    48 85 ff                test   rdi,rdi
+ *   211:    0f 84 80 00 00 00       je     0x297
+ *   217:    48 8b 77 00             mov    rsi,QWORD PTR [rdi+0x0]
+ *   ...
+ *   28d:    48 85 ff                test   rdi,rdi
+ *   290:    74 1a                   je     0x2ac
+ *   292:    eb 84                   jmp    0x218
+ *   294:    bf 03 00 00 00          mov    edi,0x3
+ * Note that insn at 0x211 is 6-byte cond jump insn now since its offset
+ * becomes 0x80 based on previous round (0x293 - 0x213 = 0x80).
+ * At the same time, insn at 0x292 is a 2-byte insn since its offset is
+ * -124.
+ *
+ * pass6 will repeat the same code as in pass4 and this will prevent
+ * eventual convergence.
+ *
+ * To fix this issue, we need to break je (2->6 bytes) <-> jmp (5->2 bytes)
+ * cycle in the above. In the above example je offset <= 0x7c should work.
+ *
+ * For other cases, je <-> je needs offset <= 0x7b to avoid no convergence
+ * issue. For jmp <-> je and jmp <-> jmp cases, jmp offset <= 0x7c should
+ * avoid no convergence issue.
+ *
+ * Overall, let us limit the positive offset for 8bit cond/uncond jmp insn
+ * to maximum 123 (0x7b). This way, the jit pass can eventually converge.
+ */
+static bool is_imm8_jmp_offset(int value)
+{
+	return value <= 123 && value >= -128;
+}
+
 static bool is_simm32(s64 value)
 {
 	return value == (s64)(s32)value;
@@ -1589,7 +1639,7 @@ emit_cond_jmp:		/* Convert BPF opcode to x86 */
 				return -EFAULT;
 			}
 			jmp_offset = addrs[i + insn->off] - addrs[i];
-			if (is_imm8(jmp_offset)) {
+			if (is_imm8_jmp_offset(jmp_offset)) {
 				if (jmp_padding) {
 					/* To keep the jmp_offset valid, the extra bytes are
 					 * padded before the jump insn, so we subtract the
@@ -1663,7 +1713,7 @@ emit_cond_jmp:		/* Convert BPF opcode to x86 */
 				break;
 			}
 emit_jmp:
-			if (is_imm8(jmp_offset)) {
+			if (is_imm8_jmp_offset(jmp_offset)) {
 				if (jmp_padding) {
 					/* To avoid breaking jmp_offset, the extra bytes
 					 * are padded before the actual jmp insn, so
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -212,61 +212,44 @@ bool blk_integrity_merge_bio(struct request_queue *q, struct request *req,
 	return true;
 }

-struct integrity_sysfs_entry {
-	struct attribute attr;
-	ssize_t (*show)(struct blk_integrity *, char *);
-	ssize_t (*store)(struct blk_integrity *, const char *, size_t);
-};
-
-static ssize_t integrity_attr_show(struct kobject *kobj, struct attribute *attr,
-				   char *page)
+static inline struct blk_integrity *dev_to_bi(struct device *dev)
 {
-	struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj);
-	struct blk_integrity *bi = &disk->queue->integrity;
-	struct integrity_sysfs_entry *entry =
-		container_of(attr, struct integrity_sysfs_entry, attr);
-
-	return entry->show(bi, page);
+	return &dev_to_disk(dev)->queue->integrity;
 }

-static ssize_t integrity_attr_store(struct kobject *kobj,
-				    struct attribute *attr, const char *page,
-				    size_t count)
+static ssize_t format_show(struct device *dev, struct device_attribute *attr,
+			   char *page)
 {
-	struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj);
-	struct blk_integrity *bi = &disk->queue->integrity;
-	struct integrity_sysfs_entry *entry =
-		container_of(attr, struct integrity_sysfs_entry, attr);
-	ssize_t ret = 0;
+	struct blk_integrity *bi = dev_to_bi(dev);

-	if (entry->store)
-		ret = entry->store(bi, page, count);
-
-	return ret;
-}
-
-static ssize_t integrity_format_show(struct blk_integrity *bi, char *page)
-{
 	if (bi->profile && bi->profile->name)
-		return sprintf(page, "%s\n", bi->profile->name);
-	else
-		return sprintf(page, "none\n");
+		return sysfs_emit(page, "%s\n", bi->profile->name);
+	return sysfs_emit(page, "none\n");
 }

-static ssize_t integrity_tag_size_show(struct blk_integrity *bi, char *page)
+static ssize_t tag_size_show(struct device *dev, struct device_attribute *attr,
+			     char *page)
 {
-	return sprintf(page, "%u\n", bi->tag_size);
+	struct blk_integrity *bi = dev_to_bi(dev);
+
+	return sysfs_emit(page, "%u\n", bi->tag_size);
 }

-static ssize_t integrity_interval_show(struct blk_integrity *bi, char *page)
+static ssize_t protection_interval_bytes_show(struct device *dev,
+					      struct device_attribute *attr,
+					      char *page)
 {
-	return sprintf(page, "%u\n",
-		       bi->interval_exp ? 1 << bi->interval_exp : 0);
+	struct blk_integrity *bi = dev_to_bi(dev);
+
+	return sysfs_emit(page, "%u\n",
+			  bi->interval_exp ? 1 << bi->interval_exp : 0);
 }

-static ssize_t integrity_verify_store(struct blk_integrity *bi,
-				      const char *page, size_t count)
+static ssize_t read_verify_store(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *page, size_t count)
 {
+	struct blk_integrity *bi = dev_to_bi(dev);
 	char *p = (char *) page;
 	unsigned long val = simple_strtoul(p, &p, 10);

@@ -278,14 +261,20 @@ static ssize_t integrity_verify_store(struct blk_integrity *bi,
 	return count;
 }

-static ssize_t integrity_verify_show(struct blk_integrity *bi, char *page)
+static ssize_t read_verify_show(struct device *dev,
+				struct device_attribute *attr, char *page)
 {
-	return sprintf(page, "%d\n", (bi->flags & BLK_INTEGRITY_VERIFY) != 0);
+	struct blk_integrity *bi = dev_to_bi(dev);
+
+	return sysfs_emit(page, "%d\n", !!(bi->flags & BLK_INTEGRITY_VERIFY));
 }

-static ssize_t integrity_generate_store(struct blk_integrity *bi,
-					const char *page, size_t count)
+static ssize_t write_generate_store(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *page, size_t count)
 {
+	struct blk_integrity *bi = dev_to_bi(dev);
+
 	char *p = (char *) page;
 	unsigned long val = simple_strtoul(p, &p, 10);

@@ -297,68 +286,44 @@ static ssize_t integrity_generate_store(struct blk_integrity *bi,
 	return count;
 }

-static ssize_t integrity_generate_show(struct blk_integrity *bi, char *page)
+static ssize_t write_generate_show(struct device *dev,
+				   struct device_attribute *attr, char *page)
 {
-	return sprintf(page, "%d\n", (bi->flags & BLK_INTEGRITY_GENERATE) != 0);
+	struct blk_integrity *bi = dev_to_bi(dev);
+
+	return sysfs_emit(page, "%d\n", !!(bi->flags & BLK_INTEGRITY_GENERATE));
 }

-static ssize_t integrity_device_show(struct blk_integrity *bi, char *page)
+static ssize_t device_is_integrity_capable_show(struct device *dev,
+						struct device_attribute *attr,
+						char *page)
 {
-	return sprintf(page, "%u\n",
-		       (bi->flags & BLK_INTEGRITY_DEVICE_CAPABLE) != 0);
+	struct blk_integrity *bi = dev_to_bi(dev);
+
+	return sysfs_emit(page, "%u\n",
+			  !!(bi->flags & BLK_INTEGRITY_DEVICE_CAPABLE));
 }

-static struct integrity_sysfs_entry integrity_format_entry = {
-	.attr = { .name = "format", .mode = 0444 },
-	.show = integrity_format_show,
-};
-
-static struct integrity_sysfs_entry integrity_tag_size_entry = {
-	.attr = { .name = "tag_size", .mode = 0444 },
-	.show = integrity_tag_size_show,
-};
-
-static struct integrity_sysfs_entry integrity_interval_entry = {
-	.attr = { .name = "protection_interval_bytes", .mode = 0444 },
-	.show = integrity_interval_show,
-};
-
-static struct integrity_sysfs_entry integrity_verify_entry = {
-	.attr = { .name = "read_verify", .mode = 0644 },
-	.show = integrity_verify_show,
-	.store = integrity_verify_store,
-};
-
-static struct integrity_sysfs_entry integrity_generate_entry = {
-	.attr = { .name = "write_generate", .mode = 0644 },
-	.show = integrity_generate_show,
-	.store = integrity_generate_store,
-};
-
-static struct integrity_sysfs_entry integrity_device_entry = {
-	.attr = { .name = "device_is_integrity_capable", .mode = 0444 },
-	.show = integrity_device_show,
-};
+static DEVICE_ATTR_RO(format);
+static DEVICE_ATTR_RO(tag_size);
+static DEVICE_ATTR_RO(protection_interval_bytes);
+static DEVICE_ATTR_RW(read_verify);
+static DEVICE_ATTR_RW(write_generate);
+static DEVICE_ATTR_RO(device_is_integrity_capable);

 static struct attribute *integrity_attrs[] = {
-	&integrity_format_entry.attr,
-	&integrity_tag_size_entry.attr,
-	&integrity_interval_entry.attr,
-	&integrity_verify_entry.attr,
-	&integrity_generate_entry.attr,
-	&integrity_device_entry.attr,
-	NULL,
-};
-ATTRIBUTE_GROUPS(integrity);
-
-static const struct sysfs_ops integrity_ops = {
-	.show	= &integrity_attr_show,
-	.store	= &integrity_attr_store,
+	&dev_attr_format.attr,
+	&dev_attr_tag_size.attr,
+	&dev_attr_protection_interval_bytes.attr,
+	&dev_attr_read_verify.attr,
+	&dev_attr_write_generate.attr,
+	&dev_attr_device_is_integrity_capable.attr,
+	NULL
 };

-static struct kobj_type integrity_ktype = {
-	.default_groups = integrity_groups,
-	.sysfs_ops	= &integrity_ops,
+const struct attribute_group blk_integrity_attr_group = {
+	.name = "integrity",
+	.attrs = integrity_attrs,
 };

 static blk_status_t blk_integrity_nop_fn(struct blk_integrity_iter *iter)
@@ -435,21 +400,3 @@ void blk_integrity_unregister(struct gendisk *disk)
 	memset(bi, 0, sizeof(*bi));
 }
 EXPORT_SYMBOL(blk_integrity_unregister);
-
-int blk_integrity_add(struct gendisk *disk)
-{
-	int ret;
-
-	ret = kobject_init_and_add(&disk->integrity_kobj, &integrity_ktype,
-				   &disk_to_dev(disk)->kobj, "%s", "integrity");
-	if (!ret)
-		kobject_uevent(&disk->integrity_kobj, KOBJ_ADD);
-	return ret;
-}
-
-void blk_integrity_del(struct gendisk *disk)
-{
-	kobject_uevent(&disk->integrity_kobj, KOBJ_REMOVE);
-	kobject_del(&disk->integrity_kobj);
-	kobject_put(&disk->integrity_kobj);
-}
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -2057,7 +2057,7 @@ static void ioc_forgive_debts(struct ioc *ioc, u64 usage_us_sum, int nr_debtors,
 			      struct ioc_now *now)
 {
 	struct ioc_gq *iocg;
-	u64 dur, usage_pct, nr_cycles;
+	u64 dur, usage_pct, nr_cycles, nr_cycles_shift;

 	/* if no debtor, reset the cycle */
 	if (!nr_debtors) {
@@ -2119,10 +2119,12 @@ static void ioc_forgive_debts(struct ioc *ioc, u64 usage_us_sum, int nr_debtors,
 		old_debt = iocg->abs_vdebt;
 		old_delay = iocg->delay;

+		nr_cycles_shift = min_t(u64, nr_cycles, BITS_PER_LONG - 1);
 		if (iocg->abs_vdebt)
-			iocg->abs_vdebt = iocg->abs_vdebt >> nr_cycles ?: 1;
+			iocg->abs_vdebt = iocg->abs_vdebt >> nr_cycles_shift ?: 1;
+
 		if (iocg->delay)
-			iocg->delay = iocg->delay >> nr_cycles ?: 1;
+			iocg->delay = iocg->delay >> nr_cycles_shift ?: 1;

 		iocg_kick_waitq(iocg, true, now);

--- a/block/blk.h
+++ b/block/blk.h
@@ -240,8 +240,7 @@ static inline bool integrity_req_gap_front_merge(struct request *req,
 				bip_next->bip_vec[0].bv_offset);
 }

-int blk_integrity_add(struct gendisk *disk);
-void blk_integrity_del(struct gendisk *);
+extern const struct attribute_group blk_integrity_attr_group;
 #else /* CONFIG_BLK_DEV_INTEGRITY */
 static inline bool blk_integrity_merge_rq(struct request_queue *rq,
 		struct request *r1, struct request *r2)
@@ -274,13 +273,6 @@ static inline bool bio_integrity_endio(struct bio *bio)
 static inline void bio_integrity_free(struct bio *bio)
 {
 }
-static inline int blk_integrity_add(struct gendisk *disk)
-{
-	return 0;
-}
-static inline void blk_integrity_del(struct gendisk *disk)
-{
-}
 #endif /* CONFIG_BLK_DEV_INTEGRITY */

 unsigned long blk_rq_timeout(unsigned long timeout);
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -491,15 +491,11 @@ int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
 	 */
 	pm_runtime_set_memalloc_noio(ddev, true);

-	ret = blk_integrity_add(disk);
-	if (ret)
-		goto out_del_block_link;
-
 	disk->part0->bd_holder_dir =
 		kobject_create_and_add("holders", &ddev->kobj);
 	if (!disk->part0->bd_holder_dir) {
 		ret = -ENOMEM;
-		goto out_del_integrity;
+		goto out_del_block_link;
 	}
 	disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj);
 	if (!disk->slave_dir) {
@@ -566,8 +562,6 @@ out_put_slave_dir:
 	disk->slave_dir = NULL;
 out_put_holder_dir:
 	kobject_put(disk->part0->bd_holder_dir);
-out_del_integrity:
-	blk_integrity_del(disk);
 out_del_block_link:
 	if (!sysfs_deprecated)
 		sysfs_remove_link(block_depr, dev_name(ddev));
@@ -626,7 +620,6 @@ void del_gendisk(struct gendisk *disk)
 	if (WARN_ON_ONCE(!disk_live(disk) && !(disk->flags & GENHD_FL_HIDDEN)))
 		return;

-	blk_integrity_del(disk);
 	disk_del_events(disk);

 	mutex_lock(&disk->open_mutex);
@@ -1162,6 +1155,9 @@ static const struct attribute_group *disk_attr_groups[] = {
 	&disk_attr_group,
 #ifdef CONFIG_BLK_DEV_IO_TRACE
 	&blk_trace_attr_group,
+#endif
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+	&blk_integrity_attr_group,
 #endif
 	NULL
 };
--- a/crypto/simd.c
+++ b/crypto/simd.c
@@ -136,27 +136,19 @@ static int simd_skcipher_init(struct crypto_skcipher *tfm)
 	return 0;
 }

-struct simd_skcipher_alg *simd_skcipher_create_compat(const char *algname,
+struct simd_skcipher_alg *simd_skcipher_create_compat(struct skcipher_alg *ialg,
+						      const char *algname,
 						      const char *drvname,
 						      const char *basename)
 {
 	struct simd_skcipher_alg *salg;
-	struct crypto_skcipher *tfm;
-	struct skcipher_alg *ialg;
 	struct skcipher_alg *alg;
 	int err;

-	tfm = crypto_alloc_skcipher(basename, CRYPTO_ALG_INTERNAL,
-				    CRYPTO_ALG_INTERNAL | CRYPTO_ALG_ASYNC);
-	if (IS_ERR(tfm))
-		return ERR_CAST(tfm);
-
-	ialg = crypto_skcipher_alg(tfm);
-
 	salg = kzalloc(sizeof(*salg), GFP_KERNEL);
 	if (!salg) {
 		salg = ERR_PTR(-ENOMEM);
-		goto out_put_tfm;
+		goto out;
 	}

 	salg->ialg_name = basename;
@@ -195,30 +187,16 @@ struct simd_skcipher_alg *simd_skcipher_create_compat(const char *algname,
 	if (err)
 		goto out_free_salg;

-out_put_tfm:
-	crypto_free_skcipher(tfm);
+out:
 	return salg;

 out_free_salg:
 	kfree(salg);
 	salg = ERR_PTR(err);
-	goto out_put_tfm;
+	goto out;
 }
 EXPORT_SYMBOL_GPL(simd_skcipher_create_compat);

-struct simd_skcipher_alg *simd_skcipher_create(const char *algname,
-					       const char *basename)
-{
-	char drvname[CRYPTO_MAX_ALG_NAME];
-
-	if (snprintf(drvname, CRYPTO_MAX_ALG_NAME, "simd-%s", basename) >=
-	    CRYPTO_MAX_ALG_NAME)
-		return ERR_PTR(-ENAMETOOLONG);
-
-	return simd_skcipher_create_compat(algname, drvname, basename);
-}
-EXPORT_SYMBOL_GPL(simd_skcipher_create);
-
 void simd_skcipher_free(struct simd_skcipher_alg *salg)
 {
 	crypto_unregister_skcipher(&salg->alg);
@@ -246,7 +224,7 @@ int simd_register_skciphers_compat(struct skcipher_alg *algs, int count,
 		algname = algs[i].base.cra_name + 2;
 		drvname = algs[i].base.cra_driver_name + 2;
 		basename = algs[i].base.cra_driver_name;
-		simd = simd_skcipher_create_compat(algname, drvname, basename);
+		simd = simd_skcipher_create_compat(algs + i, algname, drvname, basename);
 		err = PTR_ERR(simd);
 		if (IS_ERR(simd))
 			goto err_unregister;
@@ -383,27 +361,19 @@ static int simd_aead_init(struct crypto_aead *tfm)
 	return 0;
 }

-struct simd_aead_alg *simd_aead_create_compat(const char *algname,
-					      const char *drvname,
-					      const char *basename)
+static struct simd_aead_alg *simd_aead_create_compat(struct aead_alg *ialg,
+						     const char *algname,
+						     const char *drvname,
+						     const char *basename)
 {
 	struct simd_aead_alg *salg;
-	struct crypto_aead *tfm;
-	struct aead_alg *ialg;
 	struct aead_alg *alg;
 	int err;

-	tfm = crypto_alloc_aead(basename, CRYPTO_ALG_INTERNAL,
-				CRYPTO_ALG_INTERNAL | CRYPTO_ALG_ASYNC);
-	if (IS_ERR(tfm))
-		return ERR_CAST(tfm);
-
-	ialg = crypto_aead_alg(tfm);
-
 	salg = kzalloc(sizeof(*salg), GFP_KERNEL);
 	if (!salg) {
 		salg = ERR_PTR(-ENOMEM);
-		goto out_put_tfm;
+		goto out;
 	}

 	salg->ialg_name = basename;
@@ -442,36 +412,20 @@ struct simd_aead_alg *simd_aead_create_compat(const char *algname,
 	if (err)
 		goto out_free_salg;

-out_put_tfm:
-	crypto_free_aead(tfm);
+out:
 	return salg;

 out_free_salg:
 	kfree(salg);
 	salg = ERR_PTR(err);
-	goto out_put_tfm;
+	goto out;
 }
-EXPORT_SYMBOL_GPL(simd_aead_create_compat);

-struct simd_aead_alg *simd_aead_create(const char *algname,
-				       const char *basename)
-{
-	char drvname[CRYPTO_MAX_ALG_NAME];
-
-	if (snprintf(drvname, CRYPTO_MAX_ALG_NAME, "simd-%s", basename) >=
-	    CRYPTO_MAX_ALG_NAME)
-		return ERR_PTR(-ENAMETOOLONG);
-
-	return simd_aead_create_compat(algname, drvname, basename);
-}
-EXPORT_SYMBOL_GPL(simd_aead_create);
-
-void simd_aead_free(struct simd_aead_alg *salg)
+static void simd_aead_free(struct simd_aead_alg *salg)
 {
 	crypto_unregister_aead(&salg->alg);
 	kfree(salg);
 }
-EXPORT_SYMBOL_GPL(simd_aead_free);

 int simd_register_aeads_compat(struct aead_alg *algs, int count,
 			       struct simd_aead_alg **simd_algs)
@@ -493,7 +447,7 @@ int simd_register_aeads_compat(struct aead_alg *algs, int count,
 		algname = algs[i].base.cra_name + 2;
 		drvname = algs[i].base.cra_driver_name + 2;
 		basename = algs[i].base.cra_driver_name;
-		simd = simd_aead_create_compat(algname, drvname, basename);
+		simd = simd_aead_create_compat(algs + i, algname, drvname, basename);
 		err = PTR_ERR(simd);
 		if (IS_ERR(simd))
 			goto err_unregister;
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -130,8 +130,10 @@ static void exit_round_robin(unsigned int tsk_index)
 {
 	struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits);

-	cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus);
-	tsk_in_cpu[tsk_index] = -1;
+	if (tsk_in_cpu[tsk_index] != -1) {
+		cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus);
+		tsk_in_cpu[tsk_index] = -1;
+	}
 }

 static unsigned int idle_pct = 5; /* percentage */
--- a/drivers/acpi/acpica/dbconvert.c
+++ b/drivers/acpi/acpica/dbconvert.c
@@ -174,6 +174,8 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object)
 	elements =
 	    ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS *
 				 sizeof(union acpi_object));
+	if (!elements)
+		return (AE_NO_MEMORY);

 	this = string;
 	for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) {
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -437,6 +437,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)

 		if (info->connection_node) {
 			second_desc = info->connection_node->object;
+			if (second_desc == NULL) {
+				break;
+			}
 			if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) {
 				status =
 				    acpi_ds_get_buffer_arguments(second_desc);
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -25,6 +25,8 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state);
 static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
 						       *parser_state);

+static void acpi_ps_free_field_list(union acpi_parse_object *start);
+
 /*******************************************************************************
 *
 * FUNCTION:    acpi_ps_get_next_package_length
@@ -683,6 +685,39 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
 	return_PTR(field);
 }

+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_free_field_list
+ *
+ * PARAMETERS:  start               - First Op in field list
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Free all Op objects inside a field list.
+ *
+ ******************************************************************************/
+
+static void acpi_ps_free_field_list(union acpi_parse_object *start)
+{
+	union acpi_parse_object *cur = start;
+	union acpi_parse_object *next;
+	union acpi_parse_object *arg;
+
+	while (cur) {
+		next = cur->common.next;
+
+		/* AML_INT_CONNECTION_OP can have a single argument */
+
+		arg = acpi_ps_get_arg(cur, 0);
+		if (arg) {
+			acpi_ps_free_op(arg);
+		}
+
+		acpi_ps_free_op(cur);
+		cur = next;
+	}
+}
+
 /*******************************************************************************
 *
 * FUNCTION:    acpi_ps_get_next_arg
@@ -751,6 +786,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
 			while (parser_state->aml < parser_state->pkg_end) {
 				field = acpi_ps_get_next_field(parser_state);
 				if (!field) {
+					if (arg) {
+						acpi_ps_free_field_list(arg);
+					}
+
 					return_ACPI_STATUS(AE_NO_MEMORY);
 				}

@@ -820,6 +859,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
 			    acpi_ps_get_next_namepath(walk_state, parser_state,
 						      arg,
 						      ACPI_NOT_METHOD_CALL);
+			if (ACPI_FAILURE(status)) {
+				acpi_ps_free_op(arg);
+				return_ACPI_STATUS(status);
+			}
 		} else {
 			/* Single complex argument, nothing returned */

@@ -854,6 +897,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
 			    acpi_ps_get_next_namepath(walk_state, parser_state,
 						      arg,
 						      ACPI_POSSIBLE_METHOD_CALL);
+			if (ACPI_FAILURE(status)) {
+				acpi_ps_free_op(arg);
+				return_ACPI_STATUS(status);
+			}

 			if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) {

--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -692,27 +692,34 @@ static LIST_HEAD(acpi_battery_list);
 static LIST_HEAD(battery_hook_list);
 static DEFINE_MUTEX(hook_mutex);

-static void __battery_hook_unregister(struct acpi_battery_hook *hook, int lock)
+static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook)
 {
 	struct acpi_battery *battery;
+
 	/*
 	 * In order to remove a hook, we first need to
 	 * de-register all the batteries that are registered.
 	 */
-	if (lock)
-		mutex_lock(&hook_mutex);
 	list_for_each_entry(battery, &acpi_battery_list, list) {
 		hook->remove_battery(battery->bat);
 	}
-	list_del(&hook->list);
-	if (lock)
-		mutex_unlock(&hook_mutex);
+	list_del_init(&hook->list);
+
 	pr_info("extension unregistered: %s\n", hook->name);
 }

 void battery_hook_unregister(struct acpi_battery_hook *hook)
 {
-	__battery_hook_unregister(hook, 1);
+	mutex_lock(&hook_mutex);
+	/*
+	 * Ignore already unregistered battery hooks. This might happen
+	 * if a battery hook was previously unloaded due to an error when
+	 * adding a new battery.
+	 */
+	if (!list_empty(&hook->list))
+		battery_hook_unregister_unlocked(hook);
+
+	mutex_unlock(&hook_mutex);
 }
 EXPORT_SYMBOL_GPL(battery_hook_unregister);

@@ -721,7 +728,6 @@ void battery_hook_register(struct acpi_battery_hook *hook)
 	struct acpi_battery *battery;

 	mutex_lock(&hook_mutex);
-	INIT_LIST_HEAD(&hook->list);
 	list_add(&hook->list, &battery_hook_list);
 	/*
 	 * Now that the driver is registered, we need
@@ -738,7 +744,7 @@ void battery_hook_register(struct acpi_battery_hook *hook)
 			 * hooks.
 			 */
 			pr_err("extension failed to load: %s", hook->name);
-			__battery_hook_unregister(hook, 0);
+			battery_hook_unregister_unlocked(hook);
 			goto end;
 		}
 	}
@@ -775,7 +781,7 @@ static void battery_hook_add_battery(struct acpi_battery *battery)
 			 */
 			pr_err("error in extension, unloading: %s",
 					hook_node->name);
-			__battery_hook_unregister(hook_node, 0);
+			battery_hook_unregister_unlocked(hook_node);
 		}
 	}
 	mutex_unlock(&hook_mutex);
@@ -808,7 +814,7 @@ static void __exit battery_hook_exit(void)
 	 * need to remove the hooks.
 	 */
 	list_for_each_entry_safe(hook, ptr, &battery_hook_list, list) {
-		__battery_hook_unregister(hook, 1);
+		battery_hook_unregister(hook);
 	}
 	mutex_destroy(&hook_mutex);
 }
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -797,6 +797,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
 	unsigned long tmp;
 	int ret = 0;

+	if (t->rdata)
+		memset(t->rdata, 0, t->rlen);
+
 	/* start transaction */
 	spin_lock_irqsave(&ec->lock, tmp);
 	/* Enable GPE for command processing (IBF=0/OBF=1) */
@@ -833,8 +836,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)

 	if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata))
 		return -EINVAL;
-	if (t->rdata)
-		memset(t->rdata, 0, t->rlen);

 	mutex_lock(&ec->mutex);
 	if (ec->global_lock) {
@@ -861,7 +862,7 @@ static int acpi_ec_burst_enable(struct acpi_ec *ec)
 				.wdata = NULL, .rdata = &d,
 				.wlen = 0, .rlen = 1};

-	return acpi_ec_transaction(ec, &t);
+	return acpi_ec_transaction_unlocked(ec, &t);
 }

 static int acpi_ec_burst_disable(struct acpi_ec *ec)
@@ -871,7 +872,7 @@ static int acpi_ec_burst_disable(struct acpi_ec *ec)
 				.wlen = 0, .rlen = 0};

 	return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ?
-				acpi_ec_transaction(ec, &t) : 0;
+				acpi_ec_transaction_unlocked(ec, &t) : 0;
 }

 static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data)
@@ -887,6 +888,19 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data)
 	return result;
 }

+static int acpi_ec_read_unlocked(struct acpi_ec *ec, u8 address, u8 *data)
+{
+	int result;
+	u8 d;
+	struct transaction t = {.command = ACPI_EC_COMMAND_READ,
+				.wdata = &address, .rdata = &d,
+				.wlen = 1, .rlen = 1};
+
+	result = acpi_ec_transaction_unlocked(ec, &t);
+	*data = d;
+	return result;
+}
+
 static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
 {
 	u8 wdata[2] = { address, data };
@@ -897,6 +911,16 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
 	return acpi_ec_transaction(ec, &t);
 }

+static int acpi_ec_write_unlocked(struct acpi_ec *ec, u8 address, u8 data)
+{
+	u8 wdata[2] = { address, data };
+	struct transaction t = {.command = ACPI_EC_COMMAND_WRITE,
+				.wdata = wdata, .rdata = NULL,
+				.wlen = 2, .rlen = 0};
+
+	return acpi_ec_transaction_unlocked(ec, &t);
+}
+
 int ec_read(u8 addr, u8 *val)
 {
 	int err;
@@ -1304,6 +1328,7 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
 	struct acpi_ec *ec = handler_context;
 	int result = 0, i, bytes = bits / 8;
 	u8 *value = (u8 *)value64;
+	u32 glk;

 	if ((address > 0xFF) || !value || !handler_context)
 		return AE_BAD_PARAMETER;
@@ -1311,13 +1336,25 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
 	if (function != ACPI_READ && function != ACPI_WRITE)
 		return AE_BAD_PARAMETER;

+	mutex_lock(&ec->mutex);
+
+	if (ec->global_lock) {
+		acpi_status status;
+
+		status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
+		if (ACPI_FAILURE(status)) {
+			result = -ENODEV;
+			goto unlock;
+		}
+	}
+
 	if (ec->busy_polling || bits > 8)
 		acpi_ec_burst_enable(ec);

 	for (i = 0; i < bytes; ++i, ++address, ++value) {
 		result = (function == ACPI_READ) ?
-			acpi_ec_read(ec, address, value) :
-			acpi_ec_write(ec, address, *value);
+			acpi_ec_read_unlocked(ec, address, value) :
+			acpi_ec_write_unlocked(ec, address, *value);
 		if (result < 0)
 			break;
 	}
@@ -1325,6 +1362,12 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
 	if (ec->busy_polling || bits > 8)
 		acpi_ec_burst_disable(ec);

+	if (ec->global_lock)
+		acpi_release_global_lock(glk);
+
+unlock:
+	mutex_unlock(&ec->mutex);
+
 	switch (result) {
 	case -EINVAL:
 		return AE_BAD_PARAMETER;
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -439,6 +439,13 @@ static const struct dmi_system_id asus_laptop[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "S5602ZA"),
 		},
 	},
+	{
+		/* Asus Vivobook X1704VAP */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "X1704VAP"),
+		},
+	},
 	{
 		.ident = "Asus ExpertBook B1402CBA",
 		.matches = {
@@ -506,6 +513,13 @@ static const struct dmi_system_id maingear_laptop[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-15A3070T"),
 		}
 	},
+	{
+		/* Asus ExpertBook B2502CVA */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "B2502CVA"),
+		},
+	},
 	{
 		/* TongFang GMxXGxx/TUXEDO Polaris 15 Gen5 AMD */
 		.matches = {
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -258,6 +258,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "PCG-FRV35"),
 		},
 	},
+	{
+	 .callback = video_detect_force_vendor,
+	 /* Panasonic Toughbook CF-18 */
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Matsushita Electric Industrial"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"),
+		},
+	},

 	/*
 	 * Toshiba models with Transflective display, these need to use
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -46,10 +46,11 @@
 #define SVWKS_CSB5_REVISION_NEW	0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */
 #define SVWKS_CSB6_REVISION	0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */

-/* Seagate Barracuda ATA IV Family drives in UDMA mode 5
- * can overrun their FIFOs when used with the CSB5 */
-
-static const char *csb_bad_ata100[] = {
+/*
+ * Seagate Barracuda ATA IV Family drives in UDMA mode 5
+ * can overrun their FIFOs when used with the CSB5.
+ */
+static const char * const csb_bad_ata100[] = {
 	"ST320011A",
 	"ST340016A",
 	"ST360021A",
@@ -163,10 +164,11 @@ static unsigned int serverworks_osb4_filter(struct ata_device *adev, unsigned in
 *	@adev: ATA device
 *	@mask: Mask of proposed modes
 *
- *	Check the blacklist and disable UDMA5 if matched
+ *	Check the list of devices with broken UDMA5 and
+ *	disable UDMA5 if matched.
 */
-
-static unsigned int serverworks_csb_filter(struct ata_device *adev, unsigned int mask)
+static unsigned int serverworks_csb_filter(struct ata_device *adev,
+					   unsigned int mask)
 {
 	const char *p;
 	char model_num[ATA_ID_PROD_LEN + 1];
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -128,7 +128,7 @@ static const struct pci_device_id sil_pci_tbl[] = {
 static const struct sil_drivelist {
 	const char *product;
 	unsigned int quirk;
-} sil_blacklist [] = {
+} sil_quirks[] = {
 	{ "ST320012AS",		SIL_QUIRK_MOD15WRITE },
 	{ "ST330013AS",		SIL_QUIRK_MOD15WRITE },
 	{ "ST340017AS",		SIL_QUIRK_MOD15WRITE },
@@ -600,8 +600,8 @@ static void sil_thaw(struct ata_port *ap)
 *	list, and apply the fixups to only the specific
 *	devices/hosts/firmwares that need it.
 *
- *	20040111 - Seagate drives affected by the Mod15Write bug are blacklisted
- *	The Maxtor quirk is in the blacklist, but I'm keeping the original
+ *	20040111 - Seagate drives affected by the Mod15Write bug are quirked
+ *	The Maxtor quirk is in sil_quirks, but I'm keeping the original
 *	pessimistic fix for the following reasons...
 *	- There seems to be less info on it, only one device gleaned off the
 *	Windows	driver, maybe only one is affected.  More info would be greatly
@@ -620,9 +620,9 @@ static void sil_dev_config(struct ata_device *dev)

 	ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num));

-	for (n = 0; sil_blacklist[n].product; n++)
-		if (!strcmp(sil_blacklist[n].product, model_num)) {
-			quirks = sil_blacklist[n].quirk;
+	for (n = 0; sil_quirks[n].product; n++)
+		if (!strcmp(sil_quirks[n].product, model_num)) {
+			quirks = sil_quirks[n].quirk;
 			break;
 		}

--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -361,6 +361,7 @@ ata_rw_frameinit(struct frame *f)
 	}

 	ah->cmdstat = ATA_CMD_PIO_READ | writebit | extbit;
+	dev_hold(t->ifp->nd);
 	skb->dev = t->ifp->nd;
 }

@@ -401,6 +402,8 @@ aoecmd_ata_rw(struct aoedev *d)
 		__skb_queue_head_init(&queue);
 		__skb_queue_tail(&queue, skb);
 		aoenet_xmit(&queue);
+	} else {
+		dev_put(f->t->ifp->nd);
 	}
 	return 1;
 }
@@ -483,10 +486,13 @@ resend(struct aoedev *d, struct frame *f)
 	memcpy(h->dst, t->addr, sizeof h->dst);
 	memcpy(h->src, t->ifp->nd->dev_addr, sizeof h->src);

+	dev_hold(t->ifp->nd);
 	skb->dev = t->ifp->nd;
 	skb = skb_clone(skb, GFP_ATOMIC);
-	if (skb == NULL)
+	if (skb == NULL) {
+		dev_put(t->ifp->nd);
 		return;
+	}
 	f->sent = ktime_get();
 	__skb_queue_head_init(&queue);
 	__skb_queue_tail(&queue, skb);
@@ -617,6 +623,8 @@ probe(struct aoetgt *t)
 		__skb_queue_head_init(&queue);
 		__skb_queue_tail(&queue, skb);
 		aoenet_xmit(&queue);
+	} else {
+		dev_put(f->t->ifp->nd);
 	}
 }

@@ -1395,6 +1403,7 @@ aoecmd_ata_id(struct aoedev *d)
 	ah->cmdstat = ATA_CMD_ID_ATA;
 	ah->lba3 = 0xa0;

+	dev_hold(t->ifp->nd);
 	skb->dev = t->ifp->nd;

 	d->rttavg = RTTAVG_INIT;
@@ -1404,6 +1413,8 @@ aoecmd_ata_id(struct aoedev *d)
 	skb = skb_clone(skb, GFP_ATOMIC);
 	if (skb)
 		f->sent = ktime_get();
+	else
+		dev_put(t->ifp->nd);

 	return skb;
 }
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -531,6 +531,8 @@ static const struct usb_device_id blacklist_table[] = {
 						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK |
 						     BTUSB_WIDEBAND_SPEECH },
+	{ USB_DEVICE(0x0489, 0xe122), .driver_info = BTUSB_REALTEK |
+						     BTUSB_WIDEBAND_SPEECH },

 	/* Realtek 8852BE Bluetooth devices */
 	{ USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK |
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -2055,25 +2055,27 @@ static int virtcons_probe(struct virtio_device *vdev)
 		multiport = true;
 	}

-	err = init_vqs(portdev);
-	if (err < 0) {
-		dev_err(&vdev->dev, "Error %d initializing vqs\n", err);
-		goto free_chrdev;
-	}
-
 	spin_lock_init(&portdev->ports_lock);
 	INIT_LIST_HEAD(&portdev->ports);
 	INIT_LIST_HEAD(&portdev->list);

-	virtio_device_ready(portdev->vdev);
-
 	INIT_WORK(&portdev->config_work, &config_work_handler);
 	INIT_WORK(&portdev->control_work, &control_work_handler);

 	if (multiport) {
 		spin_lock_init(&portdev->c_ivq_lock);
 		spin_lock_init(&portdev->c_ovq_lock);
+	}

+	err = init_vqs(portdev);
+	if (err < 0) {
+		dev_err(&vdev->dev, "Error %d initializing vqs\n", err);
+		goto free_chrdev;
+	}
+
+	virtio_device_ready(portdev->vdev);
+
+	if (multiport) {
 		err = fill_queue(portdev->c_ivq, &portdev->c_ivq_lock);
 		if (err < 0) {
 			dev_err(&vdev->dev,
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -1581,7 +1581,7 @@ static int __alpha_pll_trion_set_rate(struct clk_hw *hw, unsigned long rate,
 	if (ret < 0)
 		return ret;

-	regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l);
+	regmap_update_bits(pll->clkr.regmap, PLL_L_VAL(pll), LUCID_EVO_PLL_L_VAL_MASK,  l);
 	regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a);

 	/* Latch the PLL input */
--- a/drivers/clk/qcom/clk-rpmh.c
+++ b/drivers/clk/qcom/clk-rpmh.c
@@ -266,6 +266,8 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable)
 		cmd_state = 0;
 	}

+	cmd_state = min(cmd_state, BCM_TCS_CMD_VOTE_MASK);
+
 	if (c->last_sent_aggr_state != cmd_state) {
 		cmd.addr = c->res_addr;
 		cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state);
--- a/drivers/clk/qcom/dispcc-sm8250.c
+++ b/drivers/clk/qcom/dispcc-sm8250.c
@@ -837,6 +837,7 @@ static struct clk_branch disp_cc_mdss_dp_link1_intf_clk = {
 				&disp_cc_mdss_dp_link1_div_clk_src.clkr.hw,
 			},
 			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
 			.ops = &clk_branch2_ops,
 		},
 	},
@@ -872,6 +873,7 @@ static struct clk_branch disp_cc_mdss_dp_link_intf_clk = {
 				&disp_cc_mdss_dp_link_div_clk_src.clkr.hw,
 			},
 			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
 			.ops = &clk_branch2_ops,
 		},
 	},
@@ -997,6 +999,7 @@ static struct clk_branch disp_cc_mdss_mdp_lut_clk = {
 				&disp_cc_mdss_mdp_clk_src.clkr.hw,
 			},
 			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
 			.ops = &clk_branch2_ops,
 		},
 	},
--- a/drivers/clk/qcom/gcc-sc8180x.c
+++ b/drivers/clk/qcom/gcc-sc8180x.c
@@ -143,6 +143,23 @@ static struct clk_alpha_pll gpll7 = {
 	},
 };

+static struct clk_alpha_pll gpll9 = {
+	.offset = 0x1c000,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_TRION],
+	.clkr = {
+		.enable_reg = 0x52000,
+		.enable_mask = BIT(9),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpll9",
+			.parent_data = &(const struct clk_parent_data) {
+				.fw_name = "bi_tcxo",
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_fixed_trion_ops,
+		},
+	},
+};
+
 static const struct parent_map gcc_parent_map_0[] = {
 	{ P_BI_TCXO, 0 },
 	{ P_GPLL0_OUT_MAIN, 1 },
@@ -242,7 +259,7 @@ static const struct parent_map gcc_parent_map_7[] = {
 static const struct clk_parent_data gcc_parents_7[] = {
 	{ .fw_name = "bi_tcxo", },
 	{ .hw = &gpll0.clkr.hw },
-	{ .name = "gppl9" },
+	{ .hw = &gpll9.clkr.hw },
 	{ .hw = &gpll4.clkr.hw },
 	{ .hw = &gpll0_out_even.clkr.hw },
 };
@@ -261,28 +278,6 @@ static const struct clk_parent_data gcc_parents_8[] = {
 	{ .hw = &gpll0_out_even.clkr.hw },
 };

-static const struct freq_tbl ftbl_gcc_cpuss_ahb_clk_src[] = {
-	F(19200000, P_BI_TCXO, 1, 0, 0),
-	F(50000000, P_GPLL0_OUT_MAIN, 12, 0, 0),
-	F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0),
-	{ }
-};
-
-static struct clk_rcg2 gcc_cpuss_ahb_clk_src = {
-	.cmd_rcgr = 0x48014,
-	.mnd_width = 0,
-	.hid_width = 5,
-	.parent_map = gcc_parent_map_0,
-	.freq_tbl = ftbl_gcc_cpuss_ahb_clk_src,
-	.clkr.hw.init = &(struct clk_init_data){
-		.name = "gcc_cpuss_ahb_clk_src",
-		.parent_data = gcc_parents_0,
-		.num_parents = ARRAY_SIZE(gcc_parents_0),
-		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
-	},
-};
-
 static const struct freq_tbl ftbl_gcc_emac_ptp_clk_src[] = {
 	F(19200000, P_BI_TCXO, 1, 0, 0),
 	F(50000000, P_GPLL0_OUT_EVEN, 6, 0, 0),
@@ -917,7 +912,7 @@ static const struct freq_tbl ftbl_gcc_sdcc2_apps_clk_src[] = {
 	F(25000000, P_GPLL0_OUT_MAIN, 12, 1, 2),
 	F(50000000, P_GPLL0_OUT_MAIN, 12, 0, 0),
 	F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0),
-	F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
+	F(202000000, P_GPLL9_OUT_MAIN, 4, 0, 0),
 	{ }
 };

@@ -940,9 +935,8 @@ static const struct freq_tbl ftbl_gcc_sdcc4_apps_clk_src[] = {
 	F(400000, P_BI_TCXO, 12, 1, 4),
 	F(9600000, P_BI_TCXO, 2, 0, 0),
 	F(19200000, P_BI_TCXO, 1, 0, 0),
-	F(37500000, P_GPLL0_OUT_MAIN, 16, 0, 0),
 	F(50000000, P_GPLL0_OUT_MAIN, 12, 0, 0),
-	F(75000000, P_GPLL0_OUT_MAIN, 8, 0, 0),
+	F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0),
 	{ }
 };

@@ -1600,25 +1594,6 @@ static struct clk_branch gcc_cfg_noc_usb3_sec_axi_clk = {
 	},
 };

-/* For CPUSS functionality the AHB clock needs to be left enabled */
-static struct clk_branch gcc_cpuss_ahb_clk = {
-	.halt_reg = 0x48000,
-	.halt_check = BRANCH_HALT_VOTED,
-	.clkr = {
-		.enable_reg = 0x52004,
-		.enable_mask = BIT(21),
-		.hw.init = &(struct clk_init_data){
-			.name = "gcc_cpuss_ahb_clk",
-			.parent_hws = (const struct clk_hw *[]){
-				      &gcc_cpuss_ahb_clk_src.clkr.hw
-			},
-			.num_parents = 1,
-			.flags = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT,
-			.ops = &clk_branch2_ops,
-		},
-	},
-};
-
 static struct clk_branch gcc_cpuss_rbcpr_clk = {
 	.halt_reg = 0x48008,
 	.halt_check = BRANCH_HALT,
@@ -3151,25 +3126,6 @@ static struct clk_branch gcc_sdcc4_apps_clk = {
 	},
 };

-/* For CPUSS functionality the SYS NOC clock needs to be left enabled */
-static struct clk_branch gcc_sys_noc_cpuss_ahb_clk = {
-	.halt_reg = 0x4819c,
-	.halt_check = BRANCH_HALT_VOTED,
-	.clkr = {
-		.enable_reg = 0x52004,
-		.enable_mask = BIT(0),
-		.hw.init = &(struct clk_init_data){
-			.name = "gcc_sys_noc_cpuss_ahb_clk",
-			.parent_hws = (const struct clk_hw *[]){
-				      &gcc_cpuss_ahb_clk_src.clkr.hw
-			},
-			.num_parents = 1,
-			.flags = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT,
-			.ops = &clk_branch2_ops,
-		},
-	},
-};
-
 static struct clk_branch gcc_tsif_ahb_clk = {
 	.halt_reg = 0x36004,
 	.halt_check = BRANCH_HALT,
@@ -4259,8 +4215,6 @@ static struct clk_regmap *gcc_sc8180x_clocks[] = {
 	[GCC_CFG_NOC_USB3_MP_AXI_CLK] = &gcc_cfg_noc_usb3_mp_axi_clk.clkr,
 	[GCC_CFG_NOC_USB3_PRIM_AXI_CLK] = &gcc_cfg_noc_usb3_prim_axi_clk.clkr,
 	[GCC_CFG_NOC_USB3_SEC_AXI_CLK] = &gcc_cfg_noc_usb3_sec_axi_clk.clkr,
-	[GCC_CPUSS_AHB_CLK] = &gcc_cpuss_ahb_clk.clkr,
-	[GCC_CPUSS_AHB_CLK_SRC] = &gcc_cpuss_ahb_clk_src.clkr,
 	[GCC_CPUSS_RBCPR_CLK] = &gcc_cpuss_rbcpr_clk.clkr,
 	[GCC_DDRSS_GPU_AXI_CLK] = &gcc_ddrss_gpu_axi_clk.clkr,
 	[GCC_DISP_HF_AXI_CLK] = &gcc_disp_hf_axi_clk.clkr,
@@ -4397,7 +4351,6 @@ static struct clk_regmap *gcc_sc8180x_clocks[] = {
 	[GCC_SDCC4_AHB_CLK] = &gcc_sdcc4_ahb_clk.clkr,
 	[GCC_SDCC4_APPS_CLK] = &gcc_sdcc4_apps_clk.clkr,
 	[GCC_SDCC4_APPS_CLK_SRC] = &gcc_sdcc4_apps_clk_src.clkr,
-	[GCC_SYS_NOC_CPUSS_AHB_CLK] = &gcc_sys_noc_cpuss_ahb_clk.clkr,
 	[GCC_TSIF_AHB_CLK] = &gcc_tsif_ahb_clk.clkr,
 	[GCC_TSIF_INACTIVITY_TIMERS_CLK] = &gcc_tsif_inactivity_timers_clk.clkr,
 	[GCC_TSIF_REF_CLK] = &gcc_tsif_ref_clk.clkr,
@@ -4484,6 +4437,7 @@ static struct clk_regmap *gcc_sc8180x_clocks[] = {
 	[GPLL1] = &gpll1.clkr,
 	[GPLL4] = &gpll4.clkr,
 	[GPLL7] = &gpll7.clkr,
+	[GPLL9] = &gpll9.clkr,
 };

 static const struct qcom_reset_map gcc_sc8180x_resets[] = {
--- a/drivers/clk/qcom/gcc-sm8250.c
+++ b/drivers/clk/qcom/gcc-sm8250.c
@@ -3228,7 +3228,7 @@ static struct gdsc pcie_0_gdsc = {
 	.pd = {
 		.name = "pcie_0_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 };

 static struct gdsc pcie_1_gdsc = {
@@ -3236,7 +3236,7 @@ static struct gdsc pcie_1_gdsc = {
 	.pd = {
 		.name = "pcie_1_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 };

 static struct gdsc pcie_2_gdsc = {
@@ -3244,7 +3244,7 @@ static struct gdsc pcie_2_gdsc = {
 	.pd = {
 		.name = "pcie_2_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 };

 static struct gdsc ufs_card_gdsc = {
--- a/drivers/clk/qcom/gcc-sm8450.c
+++ b/drivers/clk/qcom/gcc-sm8450.c
@@ -2934,7 +2934,7 @@ static struct gdsc pcie_0_gdsc = {
 	.pd = {
 		.name = "pcie_0_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 };

 static struct gdsc pcie_1_gdsc = {
@@ -2942,7 +2942,7 @@ static struct gdsc pcie_1_gdsc = {
 	.pd = {
 		.name = "pcie_1_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 };

 static struct gdsc ufs_phy_gdsc = {
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -438,12 +438,13 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
 				    struct rockchip_clk_branch *list,
 				    unsigned int nr_clk)
 {
-	struct clk *clk = NULL;
+	struct clk *clk;
 	unsigned int idx;
 	unsigned long flags;

 	for (idx = 0; idx < nr_clk; idx++, list++) {
 		flags = list->flags;
+		clk = NULL;

 		/* catch simple muxes */
 		switch (list->branch_type) {
--- a/drivers/clk/samsung/clk-exynos7885.c
+++ b/drivers/clk/samsung/clk-exynos7885.c
@@ -17,6 +17,12 @@
 #include "clk.h"
 #include "clk-exynos-arm64.h"

+/* NOTE: Must be equal to the last clock ID increased by one */
+#define CLKS_NR_TOP			(CLK_GOUT_FSYS_USB30DRD + 1)
+#define CLKS_NR_CORE			(CLK_GOUT_TREX_P_CORE_PCLK_P_CORE + 1)
+#define CLKS_NR_PERI			(CLK_GOUT_WDT1_PCLK + 1)
+#define CLKS_NR_FSYS			(CLK_MOUT_FSYS_USB30DRD_USER + 1)
+
 /* ---- CMU_TOP ------------------------------------------------------------- */

 /* Register Offset definitions for CMU_TOP (0x12060000) */
@@ -334,7 +340,7 @@ static const struct samsung_cmu_info top_cmu_info __initconst = {
 	.nr_div_clks		= ARRAY_SIZE(top_div_clks),
 	.gate_clks		= top_gate_clks,
 	.nr_gate_clks		= ARRAY_SIZE(top_gate_clks),
-	.nr_clk_ids		= TOP_NR_CLK,
+	.nr_clk_ids		= CLKS_NR_TOP,
 	.clk_regs		= top_clk_regs,
 	.nr_clk_regs		= ARRAY_SIZE(top_clk_regs),
 };
@@ -553,7 +559,7 @@ static const struct samsung_cmu_info peri_cmu_info __initconst = {
 	.nr_mux_clks		= ARRAY_SIZE(peri_mux_clks),
 	.gate_clks		= peri_gate_clks,
 	.nr_gate_clks		= ARRAY_SIZE(peri_gate_clks),
-	.nr_clk_ids		= PERI_NR_CLK,
+	.nr_clk_ids		= CLKS_NR_PERI,
 	.clk_regs		= peri_clk_regs,
 	.nr_clk_regs		= ARRAY_SIZE(peri_clk_regs),
 	.clk_name		= "dout_peri_bus",
@@ -662,7 +668,7 @@ static const struct samsung_cmu_info core_cmu_info __initconst = {
 	.nr_div_clks		= ARRAY_SIZE(core_div_clks),
 	.gate_clks		= core_gate_clks,
 	.nr_gate_clks		= ARRAY_SIZE(core_gate_clks),
-	.nr_clk_ids		= CORE_NR_CLK,
+	.nr_clk_ids		= CLKS_NR_CORE,
 	.clk_regs		= core_clk_regs,
 	.nr_clk_regs		= ARRAY_SIZE(core_clk_regs),
 	.clk_name		= "dout_core_bus",
@@ -744,7 +750,7 @@ static const struct samsung_cmu_info fsys_cmu_info __initconst = {
 	.nr_mux_clks		= ARRAY_SIZE(fsys_mux_clks),
 	.gate_clks		= fsys_gate_clks,
 	.nr_gate_clks		= ARRAY_SIZE(fsys_gate_clks),
-	.nr_clk_ids		= FSYS_NR_CLK,
+	.nr_clk_ids		= CLKS_NR_FSYS,
 	.clk_regs		= fsys_clk_regs,
 	.nr_clk_regs		= ARRAY_SIZE(fsys_clk_regs),
 	.clk_name		= "dout_fsys_bus",
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1596,7 +1596,7 @@ static void intel_pstate_notify_work(struct work_struct *work)
 	wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_STATUS, 0);
 }

-static DEFINE_SPINLOCK(hwp_notify_lock);
+static DEFINE_RAW_SPINLOCK(hwp_notify_lock);
 static cpumask_t hwp_intr_enable_mask;

 void notify_hwp_interrupt(void)
@@ -1613,7 +1613,7 @@ void notify_hwp_interrupt(void)
 	if (!(value & 0x01))
 		return;

-	spin_lock_irqsave(&hwp_notify_lock, flags);
+	raw_spin_lock_irqsave(&hwp_notify_lock, flags);

 	if (!cpumask_test_cpu(this_cpu, &hwp_intr_enable_mask))
 		goto ack_intr;
@@ -1637,13 +1637,13 @@ void notify_hwp_interrupt(void)

 	schedule_delayed_work(&cpudata->hwp_notify_work, msecs_to_jiffies(10));

-	spin_unlock_irqrestore(&hwp_notify_lock, flags);
+	raw_spin_unlock_irqrestore(&hwp_notify_lock, flags);

 	return;

 ack_intr:
 	wrmsrl_safe(MSR_HWP_STATUS, 0);
-	spin_unlock_irqrestore(&hwp_notify_lock, flags);
+	raw_spin_unlock_irqrestore(&hwp_notify_lock, flags);
 }

 static void intel_pstate_disable_hwp_interrupt(struct cpudata *cpudata)
@@ -1656,10 +1656,10 @@ static void intel_pstate_disable_hwp_interrupt(struct cpudata *cpudata)
 	/* wrmsrl_on_cpu has to be outside spinlock as this can result in IPC */
 	wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x00);

-	spin_lock_irqsave(&hwp_notify_lock, flags);
+	raw_spin_lock_irqsave(&hwp_notify_lock, flags);
 	if (cpumask_test_and_clear_cpu(cpudata->cpu, &hwp_intr_enable_mask))
 		cancel_delayed_work(&cpudata->hwp_notify_work);
-	spin_unlock_irqrestore(&hwp_notify_lock, flags);
+	raw_spin_unlock_irqrestore(&hwp_notify_lock, flags);
 }

 static void intel_pstate_enable_hwp_interrupt(struct cpudata *cpudata)
@@ -1668,10 +1668,10 @@ static void intel_pstate_enable_hwp_interrupt(struct cpudata *cpudata)
 	if (boot_cpu_has(X86_FEATURE_HWP_NOTIFY)) {
 		unsigned long flags;

-		spin_lock_irqsave(&hwp_notify_lock, flags);
+		raw_spin_lock_irqsave(&hwp_notify_lock, flags);
 		INIT_DELAYED_WORK(&cpudata->hwp_notify_work, intel_pstate_notify_work);
 		cpumask_set_cpu(cpudata->cpu, &hwp_intr_enable_mask);
-		spin_unlock_irqrestore(&hwp_notify_lock, flags);
+		raw_spin_unlock_irqrestore(&hwp_notify_lock, flags);

 		/* wrmsrl_on_cpu has to be outside spinlock as this can result in IPC */
 		wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x01);
@@ -3101,10 +3101,10 @@ static void intel_pstate_driver_cleanup(void)
 			if (intel_pstate_driver == &intel_pstate)
 				intel_pstate_clear_update_util_hook(cpu);

-			spin_lock(&hwp_notify_lock);
+			raw_spin_lock(&hwp_notify_lock);
 			kfree(all_cpu_data[cpu]);
 			WRITE_ONCE(all_cpu_data[cpu], NULL);
-			spin_unlock(&hwp_notify_lock);
+			raw_spin_unlock(&hwp_notify_lock);
 		}
 	}
 	cpus_read_unlock();
--- a/drivers/firmware/tegra/bpmp.c
+++ b/drivers/firmware/tegra/bpmp.c
@@ -25,12 +25,6 @@
 #define MSG_RING	BIT(1)
 #define TAG_SZ		32

-static inline struct tegra_bpmp *
-mbox_client_to_bpmp(struct mbox_client *client)
-{
-	return container_of(client, struct tegra_bpmp, mbox.client);
-}
-
 static inline const struct tegra_bpmp_ops *
 channel_to_ops(struct tegra_bpmp_channel *channel)
 {
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -295,7 +295,7 @@ static int davinci_gpio_probe(struct platform_device *pdev)
 * serve as EDMA event triggers.
 */

-static void gpio_irq_disable(struct irq_data *d)
+static void gpio_irq_mask(struct irq_data *d)
 {
 	struct davinci_gpio_regs __iomem *g = irq2regs(d);
 	uintptr_t mask = (uintptr_t)irq_data_get_irq_handler_data(d);
@@ -304,7 +304,7 @@ static void gpio_irq_disable(struct irq_data *d)
 	writel_relaxed(mask, &g->clr_rising);
 }

-static void gpio_irq_enable(struct irq_data *d)
+static void gpio_irq_unmask(struct irq_data *d)
 {
 	struct davinci_gpio_regs __iomem *g = irq2regs(d);
 	uintptr_t mask = (uintptr_t)irq_data_get_irq_handler_data(d);
@@ -330,8 +330,8 @@ static int gpio_irq_type(struct irq_data *d, unsigned trigger)

 static struct irq_chip gpio_irqchip = {
 	.name		= "GPIO",
-	.irq_enable	= gpio_irq_enable,
-	.irq_disable	= gpio_irq_disable,
+	.irq_unmask	= gpio_irq_unmask,
+	.irq_mask	= gpio_irq_mask,
 	.irq_set_type	= gpio_irq_type,
 	.flags		= IRQCHIP_SET_TYPE_MASKED | IRQCHIP_SKIP_SET_WAKE,
 };
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -257,6 +257,10 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
 			if (size < sizeof(struct drm_amdgpu_bo_list_in))
 				goto free_partial_kdata;

+			/* Only a single BO list is allowed to simplify handling. */
+			if (p->bo_list)
+				ret = -EINVAL;
+
 			ret = amdgpu_cs_p1_bo_handles(p, p->chunks[i].kdata);
 			if (ret)
 				goto free_partial_kdata;
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -676,8 +676,11 @@ int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *r
 	int r;

 	if (amdgpu_ras_is_supported(adev, ras_block->block)) {
-		if (!amdgpu_persistent_edc_harvesting_supported(adev))
-			amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
+		if (!amdgpu_persistent_edc_harvesting_supported(adev)) {
+			r = amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
+			if (r)
+				return r;
+		}

 		r = amdgpu_ras_block_late_init(adev, ras_block);
 		if (r)
@@ -758,7 +761,10 @@ uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
 		pr_err("critical bug! too many kiq readers\n");
 		goto failed_unlock;
 	}
-	amdgpu_ring_alloc(ring, 32);
+	r = amdgpu_ring_alloc(ring, 32);
+	if (r)
+		goto failed_unlock;
+
 	amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
 	r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
 	if (r)
@@ -824,7 +830,10 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
 	}

 	spin_lock_irqsave(&kiq->ring_lock, flags);
-	amdgpu_ring_alloc(ring, 32);
+	r = amdgpu_ring_alloc(ring, 32);
+	if (r)
+		goto failed_unlock;
+
 	amdgpu_ring_emit_wreg(ring, reg, v);
 	r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
 	if (r)
@@ -860,6 +869,7 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)

 failed_undo:
 	amdgpu_ring_undo(ring);
+failed_unlock:
 	spin_unlock_irqrestore(&kiq->ring_lock, flags);
 failed_kiq_write:
 	dev_err(adev->dev, "failed to write reg:%x\n", reg);
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1173,6 +1173,10 @@ static const struct amdgpu_gfxoff_quirk amdgpu_gfxoff_quirk_list[] = {
 	{ 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc6 },
 	/* Apple MacBook Pro (15-inch, 2019) Radeon Pro Vega 20 4 GB */
 	{ 0x1002, 0x69af, 0x106b, 0x019a, 0xc0 },
+	/* https://bbs.openkylin.top/t/topic/171497 */
+	{ 0x1002, 0x15d8, 0x19e5, 0x3e14, 0xc2 },
+	/* HP 705G4 DM with R5 2400G */
+	{ 0x1002, 0x15dd, 0x103c, 0x8464, 0xd6 },
 	{ 0, 0, 0, 0, 0 },
 };

--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -890,6 +890,7 @@ exit:
 		pr_debug("Queue id %d was restored successfully\n", queue_id);

 	kfree(q_data);
+	kfree(q_extra_data);

 	return ret;
 }
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -712,6 +712,12 @@ static void dmub_hpd_callback(struct amdgpu_device *adev,
 		return;
 	}

+	/* Skip DMUB HPD IRQ in suspend/resume. We will probe them later. */
+	if (notify->type == DMUB_NOTIFICATION_HPD && adev->in_suspend) {
+		DRM_INFO("Skip DMUB HPD IRQ callback in suspend/resume\n");
+		return;
+	}
+
 	link_index = notify->link_index;
 	link = adev->dm.dc->links[link_index];
 	dev = adev->dm.ddev;
@@ -4071,7 +4077,7 @@ static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm,
 		int spread = caps.max_input_signal - caps.min_input_signal;

 		if (caps.max_input_signal > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT ||
-		    caps.min_input_signal < AMDGPU_DM_DEFAULT_MIN_BACKLIGHT ||
+		    caps.min_input_signal < 0 ||
 		    spread > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT ||
 		    spread < AMDGPU_DM_MIN_SPREAD) {
 			DRM_DEBUG_KMS("DM: Invalid backlight caps: min=%d, max=%d\n",
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
@@ -1281,7 +1281,8 @@ void handle_cursor_update(struct drm_plane *plane,
 	    adev->dm.dc->caps.color.dpp.gamma_corr)
 		attributes.attribute_flags.bits.ENABLE_CURSOR_DEGAMMA = 1;

-	attributes.pitch = afb->base.pitches[0] / afb->base.format->cpp[0];
+	if (afb)
+		attributes.pitch = afb->base.pitches[0] / afb->base.format->cpp[0];

 	if (crtc_state->stream) {
 		mutex_lock(&adev->dm.dc_lock);
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3727,7 +3727,8 @@ static void commit_planes_for_stream(struct dc *dc,
 	}

 	if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed)
-		if (top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) {
+		if (top_pipe_to_program &&
+		    top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) {
 			top_pipe_to_program->stream_res.tg->funcs->wait_for_state(
 				top_pipe_to_program->stream_res.tg,
 				CRTC_STATE_VACTIVE);
@@ -4515,7 +4516,8 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow)
 	if (allow == dc->idle_optimizations_allowed)
 		return;

-	if (dc->hwss.apply_idle_power_optimizations && dc->hwss.apply_idle_power_optimizations(dc, allow))
+	if (dc->hwss.apply_idle_power_optimizations && dc->clk_mgr != NULL &&
+	    dc->hwss.apply_idle_power_optimizations(dc, allow))
 		dc->idle_optimizations_allowed = allow;
 }

--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1915,6 +1915,8 @@ static bool are_stream_backends_same(
 bool dc_is_stream_unchanged(
 	struct dc_stream_state *old_stream, struct dc_stream_state *stream)
 {
+	if (!old_stream || !stream)
+		return false;

 	if (!are_stream_backends_same(old_stream, stream))
 		return false;
@@ -2634,8 +2636,10 @@ static bool planes_changed_for_existing_stream(struct dc_state *context,
 		}
 	}

-	if (!stream_status)
+	if (!stream_status) {
 		ASSERT(0);
+		return false;
+	}

 	for (i = 0; i < set_count; i++)
 		if (set[i].stream == stream)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c
@@ -571,6 +571,8 @@ bool cm_helper_translate_curve_to_degamma_hw_format(
 				i += increment) {
 			if (j == hw_points - 1)
 				break;
+			if (i >= TRANSFER_FUNC_POINTS)
+				return false;
 			rgb_resulted[j].red = output_tf->tf_pts.red[i];
 			rgb_resulted[j].green = output_tf->tf_pts.green[i];
 			rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c
@@ -178,6 +178,8 @@ bool cm3_helper_translate_curve_to_hw_format(
 				i += increment) {
 			if (j == hw_points - 1)
 				break;
+			if (i >= TRANSFER_FUNC_POINTS)
+				return false;
 			rgb_resulted[j].red = output_tf->tf_pts.red[i];
 			rgb_resulted[j].green = output_tf->tf_pts.green[i];
 			rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
@@ -355,6 +357,8 @@ bool cm3_helper_translate_curve_to_degamma_hw_format(
 				i += increment) {
 			if (j == hw_points - 1)
 				break;
+			if (i >= TRANSFER_FUNC_POINTS)
+				return false;
 			rgb_resulted[j].red = output_tf->tf_pts.red[i];
 			rgb_resulted[j].green = output_tf->tf_pts.green[i];
 			rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
@@ -78,7 +78,7 @@ static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,

 static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma)
 {
-	unsigned int ret_val = 0;
+	unsigned int ret_val = 1;

 	if (source_format == dm_444_16) {
 		if (!is_chroma)
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
@@ -53,7 +53,7 @@ static void calculate_ttu_cursor(

 static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma)
 {
-	unsigned int ret_val = 0;
+	unsigned int ret_val = 1;

 	if (source_format == dm_444_16) {
 		if (!is_chroma)
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c
@@ -1185,6 +1185,8 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr,
 	fw_info = smu_atom_get_data_table(hwmgr->adev,
 			 GetIndexIntoMasterTable(DATA, FirmwareInfo),
 			 &size, &frev, &crev);
+	PP_ASSERT_WITH_CODE(fw_info != NULL,
+			    "Missing firmware info!", return -EINVAL);

 	if ((fw_info->ucTableFormatRevision == 1)
 	    && (le16_to_cpu(fw_info->usStructureSize) >= sizeof(ATOM_FIRMWARE_INFO_V1_4)))
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -567,7 +567,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
 					&state->fb_damage_clips,
 					val,
 					-1,
-					sizeof(struct drm_rect),
+					sizeof(struct drm_mode_rect),
 					&replaced);
 		return ret;
 	} else if (property == plane->scaling_filter_property) {
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -904,6 +904,7 @@ out:
 	connector_set = NULL;
 	fb = NULL;
 	mode = NULL;
+	num_connectors = 0;

 	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);

--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -100,8 +100,9 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str)
 			copy = iterator->remain;

 		/* Copy out the bit of the string that we need */
-		memcpy(iterator->data,
-			str + (iterator->start - iterator->offset), copy);
+		if (iterator->data)
+			memcpy(iterator->data,
+			       str + (iterator->start - iterator->offset), copy);

 		iterator->offset = iterator->start + copy;
 		iterator->remain -= copy;
@@ -110,7 +111,8 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str)

 		len = min_t(ssize_t, strlen(str), iterator->remain);

-		memcpy(iterator->data + pos, str, len);
+		if (iterator->data)
+			memcpy(iterator->data + pos, str, len);

 		iterator->offset += len;
 		iterator->remain -= len;
@@ -140,8 +142,9 @@ void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf)
 	if ((iterator->offset >= iterator->start) && (len < iterator->remain)) {
 		ssize_t pos = iterator->offset - iterator->start;

-		snprintf(((char *) iterator->data) + pos,
-			iterator->remain, "%pV", vaf);
+		if (iterator->data)
+			snprintf(((char *) iterator->data) + pos,
+				 iterator->remain, "%pV", vaf);

 		iterator->offset += len;
 		iterator->remain -= len;
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -1058,7 +1058,7 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
 		spin_unlock(&to_i915(obj->base.dev)->runtime_pm.lmem_userfault_lock);
 	}

-	if (wakeref & CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND)
+	if (wakeref && CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND != 0)
 		intel_wakeref_auto(&to_i915(obj->base.dev)->runtime_pm.userfault_wakeref,
 				   msecs_to_jiffies_timeout(CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND));

--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -746,6 +746,10 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev)
 	soc = soc_device_match(omapdrm_soc_devices);
 	priv->omaprev = soc ? (uintptr_t)soc->data : 0;
 	priv->wq = alloc_ordered_workqueue("omapdrm", 0);
+	if (!priv->wq) {
+		ret = -ENOMEM;
+		goto err_alloc_workqueue;
+	}

 	mutex_init(&priv->list_lock);
 	INIT_LIST_HEAD(&priv->obj_list);
@@ -808,6 +812,7 @@ err_gem_deinit:
 	drm_mode_config_cleanup(ddev);
 	omap_gem_deinit(ddev);
 	destroy_workqueue(priv->wq);
+err_alloc_workqueue:
 	omap_disconnect_pipelines(ddev);
 	drm_dev_put(ddev);
 	return ret;
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1015,45 +1015,65 @@ static int r100_cp_init_microcode(struct radeon_device *rdev)

 	DRM_DEBUG_KMS("\n");

-	if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
-	    (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
-	    (rdev->family == CHIP_RS200)) {
+	switch (rdev->family) {
+	case CHIP_R100:
+	case CHIP_RV100:
+	case CHIP_RV200:
+	case CHIP_RS100:
+	case CHIP_RS200:
 		DRM_INFO("Loading R100 Microcode\n");
 		fw_name = FIRMWARE_R100;
-	} else if ((rdev->family == CHIP_R200) ||
-		   (rdev->family == CHIP_RV250) ||
-		   (rdev->family == CHIP_RV280) ||
-		   (rdev->family == CHIP_RS300)) {
+		break;
+
+	case CHIP_R200:
+	case CHIP_RV250:
+	case CHIP_RV280:
+	case CHIP_RS300:
 		DRM_INFO("Loading R200 Microcode\n");
 		fw_name = FIRMWARE_R200;
-	} else if ((rdev->family == CHIP_R300) ||
-		   (rdev->family == CHIP_R350) ||
-		   (rdev->family == CHIP_RV350) ||
-		   (rdev->family == CHIP_RV380) ||
-		   (rdev->family == CHIP_RS400) ||
-		   (rdev->family == CHIP_RS480)) {
+		break;
+
+	case CHIP_R300:
+	case CHIP_R350:
+	case CHIP_RV350:
+	case CHIP_RV380:
+	case CHIP_RS400:
+	case CHIP_RS480:
 		DRM_INFO("Loading R300 Microcode\n");
 		fw_name = FIRMWARE_R300;
-	} else if ((rdev->family == CHIP_R420) ||
-		   (rdev->family == CHIP_R423) ||
-		   (rdev->family == CHIP_RV410)) {
+		break;
+
+	case CHIP_R420:
+	case CHIP_R423:
+	case CHIP_RV410:
 		DRM_INFO("Loading R400 Microcode\n");
 		fw_name = FIRMWARE_R420;
-	} else if ((rdev->family == CHIP_RS690) ||
-		   (rdev->family == CHIP_RS740)) {
+		break;
+
+	case CHIP_RS690:
+	case CHIP_RS740:
 		DRM_INFO("Loading RS690/RS740 Microcode\n");
 		fw_name = FIRMWARE_RS690;
-	} else if (rdev->family == CHIP_RS600) {
+		break;
+
+	case CHIP_RS600:
 		DRM_INFO("Loading RS600 Microcode\n");
 		fw_name = FIRMWARE_RS600;
-	} else if ((rdev->family == CHIP_RV515) ||
-		   (rdev->family == CHIP_R520) ||
-		   (rdev->family == CHIP_RV530) ||
-		   (rdev->family == CHIP_R580) ||
-		   (rdev->family == CHIP_RV560) ||
-		   (rdev->family == CHIP_RV570)) {
+		break;
+
+	case CHIP_RV515:
+	case CHIP_R520:
+	case CHIP_RV530:
+	case CHIP_R580:
+	case CHIP_RV560:
+	case CHIP_RV570:
 		DRM_INFO("Loading R500 Microcode\n");
 		fw_name = FIRMWARE_R520;
+		break;
+
+	default:
+		DRM_ERROR("Unsupported Radeon family %u\n", rdev->family);
+		return -EINVAL;
 	}

 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1559,6 +1559,10 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
 	VOP_AFBC_SET(vop, enable, s->enable_afbc);
 	vop_cfg_done(vop);

+	/* Ack the DMA transfer of the previous frame (RK3066). */
+	if (VOP_HAS_REG(vop, common, dma_stop))
+		VOP_REG_SET(vop, common, dma_stop, 0);
+
 	spin_unlock(&vop->reg_lock);

 	/*
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -117,6 +117,7 @@ struct vop_common {
 	struct vop_reg lut_buffer_index;
 	struct vop_reg gate_en;
 	struct vop_reg mmu_en;
+	struct vop_reg dma_stop;
 	struct vop_reg out_mode;
 	struct vop_reg standby;
 };
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -431,6 +431,7 @@ static const struct vop_output rk3066_output = {
 };

 static const struct vop_common rk3066_common = {
+	.dma_stop = VOP_REG(RK3066_SYS_CTRL0, 0x1, 0),
 	.standby = VOP_REG(RK3066_SYS_CTRL0, 0x1, 1),
 	.out_mode = VOP_REG(RK3066_DSP_CTRL0, 0xf, 0),
 	.cfg_done = VOP_REG(RK3066_REG_CFG_DONE, 0x1, 0),
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -110,8 +110,10 @@ void drm_sched_entity_modify_sched(struct drm_sched_entity *entity,
 {
 	WARN_ON(!num_sched_list || !sched_list);

+	spin_lock(&entity->rq_lock);
 	entity->sched_list = sched_list;
 	entity->num_sched_list = num_sched_list;
+	spin_unlock(&entity->rq_lock);
 }
 EXPORT_SYMBOL(drm_sched_entity_modify_sched);

--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -24,6 +24,7 @@
 #include <drm/drm_module.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_vblank.h>
+#include <drm/drm_managed.h>

 #include "ltdc.h"

@@ -74,7 +75,7 @@ static int drv_load(struct drm_device *ddev)

 	DRM_DEBUG("%s\n", __func__);

-	ldev = devm_kzalloc(ddev->dev, sizeof(*ldev), GFP_KERNEL);
+	ldev = drmm_kzalloc(ddev, sizeof(*ldev), GFP_KERNEL);
 	if (!ldev)
 		return -ENOMEM;

--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -37,6 +37,7 @@
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_vblank.h>
+#include <drm/drm_managed.h>

 #include <video/videomode.h>

@@ -1200,7 +1201,6 @@ static void ltdc_crtc_atomic_print_state(struct drm_printer *p,
 }

 static const struct drm_crtc_funcs ltdc_crtc_funcs = {
-	.destroy = drm_crtc_cleanup,
 	.set_config = drm_atomic_helper_set_config,
 	.page_flip = drm_atomic_helper_page_flip,
 	.reset = drm_atomic_helper_crtc_reset,
@@ -1213,7 +1213,6 @@ static const struct drm_crtc_funcs ltdc_crtc_funcs = {
 };

 static const struct drm_crtc_funcs ltdc_crtc_with_crc_support_funcs = {
-	.destroy = drm_crtc_cleanup,
 	.set_config = drm_atomic_helper_set_config,
 	.page_flip = drm_atomic_helper_page_flip,
 	.reset = drm_atomic_helper_crtc_reset,
@@ -1515,6 +1514,9 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
 	/* Disable layer */
 	regmap_write_bits(ldev->regmap, LTDC_L1CR + lofs, LXCR_LEN | LXCR_CLUTEN |  LXCR_HMEN, 0);

+	/* Reset the layer transparency to hide any related background color */
+	regmap_write_bits(ldev->regmap, LTDC_L1CACR + lofs, LXCACR_CONSTA, 0x00);
+
 	/* Commit shadow registers = update plane at next vblank */
 	if (ldev->caps.plane_reg_shadow)
 		regmap_write_bits(ldev->regmap, LTDC_L1RCR + lofs,
@@ -1546,7 +1548,6 @@ static void ltdc_plane_atomic_print_state(struct drm_printer *p,
 static const struct drm_plane_funcs ltdc_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
-	.destroy = drm_plane_cleanup,
 	.reset = drm_atomic_helper_plane_reset,
 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
@@ -1573,7 +1574,6 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev,
 	const u64 *modifiers = ltdc_format_modifiers;
 	u32 lofs = index * LAY_OFS;
 	u32 val;
-	int ret;

 	/* Allocate the biggest size according to supported color formats */
 	formats = devm_kzalloc(dev, (ldev->caps.pix_fmt_nb +
@@ -1616,14 +1616,10 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev,
 		}
 	}

-	plane = devm_kzalloc(dev, sizeof(*plane), GFP_KERNEL);
-	if (!plane)
-		return NULL;
-
-	ret = drm_universal_plane_init(ddev, plane, possible_crtcs,
-				       &ltdc_plane_funcs, formats, nb_fmt,
-				       modifiers, type, NULL);
-	if (ret < 0)
+	plane = drmm_universal_plane_alloc(ddev, struct drm_plane, dev,
+					   possible_crtcs, &ltdc_plane_funcs, formats,
+					   nb_fmt, modifiers, type, NULL);
+	if (IS_ERR(plane))
 		return NULL;

 	if (ldev->caps.ycbcr_input) {
@@ -1646,15 +1642,6 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev,
 	return plane;
 }

-static void ltdc_plane_destroy_all(struct drm_device *ddev)
-{
-	struct drm_plane *plane, *plane_temp;
-
-	list_for_each_entry_safe(plane, plane_temp,
-				 &ddev->mode_config.plane_list, head)
-		drm_plane_cleanup(plane);
-}
-
 static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
 {
 	struct ltdc_device *ldev = ddev->dev_private;
@@ -1680,14 +1667,14 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)

 	/* Init CRTC according to its hardware features */
 	if (ldev->caps.crc)
-		ret = drm_crtc_init_with_planes(ddev, crtc, primary, NULL,
-						&ltdc_crtc_with_crc_support_funcs, NULL);
+		ret = drmm_crtc_init_with_planes(ddev, crtc, primary, NULL,
+						 &ltdc_crtc_with_crc_support_funcs, NULL);
 	else
-		ret = drm_crtc_init_with_planes(ddev, crtc, primary, NULL,
-						&ltdc_crtc_funcs, NULL);
+		ret = drmm_crtc_init_with_planes(ddev, crtc, primary, NULL,
+						 &ltdc_crtc_funcs, NULL);
 	if (ret) {
 		DRM_ERROR("Can not initialize CRTC\n");
-		goto cleanup;
+		return ret;
 	}

 	drm_crtc_helper_add(crtc, &ltdc_crtc_helper_funcs);
@@ -1701,9 +1688,8 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
 	for (i = 1; i < ldev->caps.nb_layers; i++) {
 		overlay = ltdc_plane_create(ddev, DRM_PLANE_TYPE_OVERLAY, i);
 		if (!overlay) {
-			ret = -ENOMEM;
 			DRM_ERROR("Can not create overlay plane %d\n", i);
-			goto cleanup;
+			return -ENOMEM;
 		}
 		if (ldev->caps.dynamic_zorder)
 			drm_plane_create_zpos_property(overlay, i, 0, ldev->caps.nb_layers - 1);
@@ -1716,10 +1702,6 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
 	}

 	return 0;
-
-cleanup:
-	ltdc_plane_destroy_all(ddev);
-	return ret;
 }

 static void ltdc_encoder_disable(struct drm_encoder *encoder)
@@ -1779,23 +1761,19 @@ static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
 	struct drm_encoder *encoder;
 	int ret;

-	encoder = devm_kzalloc(ddev->dev, sizeof(*encoder), GFP_KERNEL);
-	if (!encoder)
-		return -ENOMEM;
+	encoder = drmm_simple_encoder_alloc(ddev, struct drm_encoder, dev,
+					    DRM_MODE_ENCODER_DPI);
+	if (IS_ERR(encoder))
+		return PTR_ERR(encoder);

 	encoder->possible_crtcs = CRTC_MASK;
 	encoder->possible_clones = 0;	/* No cloning support */

-	drm_simple_encoder_init(ddev, encoder, DRM_MODE_ENCODER_DPI);
-
 	drm_encoder_helper_add(encoder, &ltdc_encoder_helper_funcs);

 	ret = drm_bridge_attach(encoder, bridge, NULL, 0);
-	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			drm_encoder_cleanup(encoder);
+	if (ret)
 		return ret;
-	}

 	DRM_DEBUG_DRIVER("Bridge encoder:%d created\n", encoder->base.id);

@@ -1965,8 +1943,7 @@ int ltdc_load(struct drm_device *ddev)
 			goto err;

 		if (panel) {
-			bridge = drm_panel_bridge_add_typed(panel,
-							    DRM_MODE_CONNECTOR_DPI);
+			bridge = drmm_panel_bridge_add(ddev, panel);
 			if (IS_ERR(bridge)) {
 				DRM_ERROR("panel-bridge endpoint %d\n", i);
 				ret = PTR_ERR(bridge);
@@ -2048,7 +2025,7 @@ int ltdc_load(struct drm_device *ddev)
 		}
 	}

-	crtc = devm_kzalloc(dev, sizeof(*crtc), GFP_KERNEL);
+	crtc = drmm_kzalloc(ddev, sizeof(*crtc), GFP_KERNEL);
 	if (!crtc) {
 		DRM_ERROR("Failed to allocate crtc\n");
 		ret = -ENOMEM;
@@ -2075,9 +2052,6 @@ int ltdc_load(struct drm_device *ddev)

 	return 0;
 err:
-	for (i = 0; i < nb_endpoints; i++)
-		drm_of_panel_bridge_remove(ddev->dev->of_node, 0, i);
-
 	clk_disable_unprepare(ldev->pixel_clk);

 	return ret;
@@ -2085,16 +2059,8 @@ err:

 void ltdc_unload(struct drm_device *ddev)
 {
-	struct device *dev = ddev->dev;
-	int nb_endpoints, i;
-
 	DRM_DEBUG_DRIVER("\n");

-	nb_endpoints = of_graph_get_endpoint_count(dev->of_node);
-
-	for (i = 0; i < nb_endpoints; i++)
-		drm_of_panel_bridge_remove(ddev->dev->of_node, 0, i);
-
 	pm_runtime_disable(ddev->dev);
 }

--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -786,6 +786,7 @@
 #define USB_DEVICE_ID_LENOVO_X1_TAB	0x60a3
 #define USB_DEVICE_ID_LENOVO_X1_TAB3	0x60b5
 #define USB_DEVICE_ID_LENOVO_X12_TAB	0x60fe
+#define USB_DEVICE_ID_LENOVO_X12_TAB2	0x61ae
 #define USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E	0x600e
 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D	0x608d
 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019	0x6019
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2116,6 +2116,12 @@ static const struct hid_device_id mt_devices[] = {
 			   USB_VENDOR_ID_LENOVO,
 			   USB_DEVICE_ID_LENOVO_X12_TAB) },

+	/* Lenovo X12 TAB Gen 2 */
+	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+		HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+			   USB_VENDOR_ID_LENOVO,
+			   USB_DEVICE_ID_LENOVO_X12_TAB2) },
+
 	/* Logitech devices */
 	{ .driver_data = MT_CLS_NSMU,
 		HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH_WIN_8,
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -2353,7 +2353,7 @@ static int __maybe_unused stm32f7_i2c_runtime_suspend(struct device *dev)
 	struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev);

 	if (!stm32f7_i2c_is_slave_registered(i2c_dev))
-		clk_disable_unprepare(i2c_dev->clk);
+		clk_disable(i2c_dev->clk);

 	return 0;
 }
@@ -2364,9 +2364,9 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev)
 	int ret;

 	if (!stm32f7_i2c_is_slave_registered(i2c_dev)) {
-		ret = clk_prepare_enable(i2c_dev->clk);
+		ret = clk_enable(i2c_dev->clk);
 		if (ret) {
-			dev_err(dev, "failed to prepare_enable clock\n");
+			dev_err(dev, "failed to enable clock\n");
 			return ret;
 		}
 	}
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -482,14 +482,17 @@ static irqreturn_t xiic_process(int irq, void *dev_id)
 			goto out;
 		}

-		xiic_fill_tx_fifo(i2c);
-
-		/* current message sent and there is space in the fifo */
-		if (!xiic_tx_space(i2c) && xiic_tx_fifo_space(i2c) >= 2) {
+		if (xiic_tx_space(i2c)) {
+			xiic_fill_tx_fifo(i2c);
+		} else {
+			/* current message fully written */
 			dev_dbg(i2c->adap.dev.parent,
 				"%s end of message sent, nmsgs: %d\n",
 				__func__, i2c->nmsgs);
-			if (i2c->nmsgs > 1) {
+			/* Don't move onto the next message until the TX FIFO empties,
+			 * to ensure that a NAK is not missed.
+			 */
+			if (i2c->nmsgs > 1 && (pend & XIIC_INTR_TX_EMPTY_MASK)) {
 				i2c->nmsgs--;
 				i2c->tx_msg++;
 				xfer_more = 1;
@@ -500,11 +503,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id)
 					"%s Got TX IRQ but no more to do...\n",
 					__func__);
 			}
-		} else if (!xiic_tx_space(i2c) && (i2c->nmsgs == 1))
-			/* current frame is sent and is last,
-			 * make sure to disable tx half
-			 */
-			xiic_irq_dis(i2c, XIIC_INTR_TX_HALF_MASK);
+		}
 	}

 	if (pend & XIIC_INTR_BNB_MASK) {
@@ -799,16 +798,11 @@ static int xiic_i2c_probe(struct platform_device *pdev)

 	mutex_init(&i2c->lock);

-	i2c->clk = devm_clk_get(&pdev->dev, NULL);
+	i2c->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(i2c->clk))
 		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
-				     "input clock not found.\n");
+				     "failed to enable input clock.\n");

-	ret = clk_prepare_enable(i2c->clk);
-	if (ret) {
-		dev_err(&pdev->dev, "Unable to enable clock.\n");
-		return ret;
-	}
 	i2c->dev = &pdev->dev;
 	pm_runtime_set_autosuspend_delay(i2c->dev, XIIC_PM_TIMEOUT);
 	pm_runtime_use_autosuspend(i2c->dev);
@@ -820,7 +814,7 @@ static int xiic_i2c_probe(struct platform_device *pdev)

 	if (ret < 0) {
 		dev_err(&pdev->dev, "Cannot claim IRQ\n");
-		goto err_clk_dis;
+		goto err_pm_disable;
 	}

 	i2c->singlemaster =
@@ -841,14 +835,14 @@ static int xiic_i2c_probe(struct platform_device *pdev)
 	ret = xiic_reinit(i2c);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Cannot xiic_reinit\n");
-		goto err_clk_dis;
+		goto err_pm_disable;
 	}

 	/* add i2c adapter to i2c tree */
 	ret = i2c_add_adapter(&i2c->adap);
 	if (ret) {
 		xiic_deinit(i2c);
-		goto err_clk_dis;
+		goto err_pm_disable;
 	}

 	if (pdata) {
@@ -859,10 +853,10 @@ static int xiic_i2c_probe(struct platform_device *pdev)

 	return 0;

-err_clk_dis:
-	pm_runtime_set_suspended(&pdev->dev);
+err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
-	clk_disable_unprepare(i2c->clk);
+	pm_runtime_set_suspended(&pdev->dev);
+
 	return ret;
 }

@@ -880,7 +874,6 @@ static int xiic_i2c_remove(struct platform_device *pdev)

 	xiic_deinit(i2c);
 	pm_runtime_put_sync(i2c->dev);
-	clk_disable_unprepare(i2c->clk);
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
 	pm_runtime_dont_use_autosuspend(&pdev->dev);
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -16,6 +16,7 @@
 #include <linux/acpi.h>
 #include <linux/clk/clk-conf.h>
 #include <linux/completion.h>
+#include <linux/debugfs.h>
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/errno.h>
@@ -66,6 +67,8 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver);
 static DEFINE_STATIC_KEY_FALSE(i2c_trace_msg_key);
 static bool is_registered;

+static struct dentry *i2c_debugfs_root;
+
 int i2c_transfer_trace_reg(void)
 {
 	static_branch_inc(&i2c_trace_msg_key);
@@ -916,6 +919,27 @@ int i2c_dev_irq_from_resources(const struct resource *resources,
 	return 0;
 }

+/*
+ * Serialize device instantiation in case it can be instantiated explicitly
+ * and by auto-detection
+ */
+static int i2c_lock_addr(struct i2c_adapter *adap, unsigned short addr,
+			 unsigned short flags)
+{
+	if (!(flags & I2C_CLIENT_TEN) &&
+	    test_and_set_bit(addr, adap->addrs_in_instantiation))
+		return -EBUSY;
+
+	return 0;
+}
+
+static void i2c_unlock_addr(struct i2c_adapter *adap, unsigned short addr,
+			    unsigned short flags)
+{
+	if (!(flags & I2C_CLIENT_TEN))
+		clear_bit(addr, adap->addrs_in_instantiation);
+}
+
 /**
 * i2c_new_client_device - instantiate an i2c device
 * @adap: the adapter managing the device
@@ -963,6 +987,10 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf
 		goto out_err_silent;
 	}

+	status = i2c_lock_addr(adap, client->addr, client->flags);
+	if (status)
+		goto out_err_silent;
+
 	/* Check for address business */
 	status = i2c_check_addr_busy(adap, i2c_encode_flags_to_addr(client));
 	if (status)
@@ -994,6 +1022,8 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf
 	dev_dbg(&adap->dev, "client [%s] registered with bus id %s\n",
 		client->name, dev_name(&client->dev));

+	i2c_unlock_addr(adap, client->addr, client->flags);
+
 	return client;

 out_remove_swnode:
@@ -1005,6 +1035,7 @@ out_err:
 	dev_err(&adap->dev,
 		"Failed to register i2c client %s at 0x%02x (%d)\n",
 		client->name, client->addr, status);
+	i2c_unlock_addr(adap, client->addr, client->flags);
 out_err_silent:
 	if (need_put)
 		put_device(&client->dev);
@@ -1499,6 +1530,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
 		goto out_list;
 	}

+	adap->debugfs = debugfs_create_dir(dev_name(&adap->dev), i2c_debugfs_root);
+
 	res = i2c_setup_smbus_alert(adap);
 	if (res)
 		goto out_reg;
@@ -1538,6 +1571,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
 	return 0;

 out_reg:
+	debugfs_remove_recursive(adap->debugfs);
 	init_completion(&adap->dev_released);
 	device_unregister(&adap->dev);
 	wait_for_completion(&adap->dev_released);
@@ -1739,6 +1773,8 @@ void i2c_del_adapter(struct i2c_adapter *adap)

 	i2c_host_notify_irq_teardown(adap);

+	debugfs_remove_recursive(adap->debugfs);
+
 	/* wait until all references to the device are gone
 	 *
 	 * FIXME: This is old code and should ideally be replaced by an
@@ -1967,6 +2003,8 @@ static int __init i2c_init(void)

 	is_registered = true;

+	i2c_debugfs_root = debugfs_create_dir("i2c", NULL);
+
 #ifdef CONFIG_I2C_COMPAT
 	i2c_adapter_compat_class = class_compat_register("i2c-adapter");
 	if (!i2c_adapter_compat_class) {
@@ -2005,6 +2043,7 @@ static void __exit i2c_exit(void)
 #ifdef CONFIG_I2C_COMPAT
 	class_compat_unregister(i2c_adapter_compat_class);
 #endif
+	debugfs_remove_recursive(i2c_debugfs_root);
 	bus_unregister(&i2c_bus_type);
 	tracepoint_synchronize_unregister();
 }
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -692,22 +692,8 @@ static int ak8975_start_read_axis(struct ak8975_data *data,
 	if (ret < 0)
 		return ret;

-	/* This will be executed only for non-interrupt based waiting case */
-	if (ret & data->def->ctrl_masks[ST1_DRDY]) {
-		ret = i2c_smbus_read_byte_data(client,
-					       data->def->ctrl_regs[ST2]);
-		if (ret < 0) {
-			dev_err(&client->dev, "Error in reading ST2\n");
-			return ret;
-		}
-		if (ret & (data->def->ctrl_masks[ST2_DERR] |
-			   data->def->ctrl_masks[ST2_HOFL])) {
-			dev_err(&client->dev, "ST2 status error 0x%x\n", ret);
-			return -EINVAL;
-		}
-	}
-
-	return 0;
+	/* Return with zero if the data is ready. */
+	return !data->def->ctrl_regs[ST1_DRDY];
 }

 /* Retrieve raw flux value for one of the x, y, or z axis.  */
@@ -734,6 +720,20 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)
 	if (ret < 0)
 		goto exit;

+	/* Read out ST2 for release lock on measurment data. */
+	ret = i2c_smbus_read_byte_data(client, data->def->ctrl_regs[ST2]);
+	if (ret < 0) {
+		dev_err(&client->dev, "Error in reading ST2\n");
+		goto exit;
+	}
+
+	if (ret & (data->def->ctrl_masks[ST2_DERR] |
+		   data->def->ctrl_masks[ST2_HOFL])) {
+		dev_err(&client->dev, "ST2 status error 0x%x\n", ret);
+		ret = -EINVAL;
+		goto exit;
+	}
+
 	mutex_unlock(&data->lock);

 	pm_runtime_mark_last_busy(&data->client->dev);
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -391,10 +391,17 @@ static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off)
 	struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
+	int val;

-	return !!(adp5589_read(kpad->client,
-			       kpad->var->reg(ADP5589_GPI_STATUS_A) + bank) &
-			       bit);
+	mutex_lock(&kpad->gpio_lock);
+	if (kpad->dir[bank] & bit)
+		val = kpad->dat_out[bank];
+	else
+		val = adp5589_read(kpad->client,
+				   kpad->var->reg(ADP5589_GPI_STATUS_A) + bank);
+	mutex_unlock(&kpad->gpio_lock);
+
+	return !!(val & bit);
 }

 static void adp5589_gpio_set_value(struct gpio_chip *chip,
@@ -936,10 +943,9 @@ static int adp5589_keypad_add(struct adp5589_kpad *kpad, unsigned int revid)

 static void adp5589_clear_config(void *data)
 {
-	struct i2c_client *client = data;
-	struct adp5589_kpad *kpad = i2c_get_clientdata(client);
+	struct adp5589_kpad *kpad = data;

-	adp5589_write(client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
+	adp5589_write(kpad->client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
 }

 static int adp5589_probe(struct i2c_client *client,
@@ -983,7 +989,7 @@ static int adp5589_probe(struct i2c_client *client,
 	}

 	error = devm_add_action_or_reset(&client->dev, adp5589_clear_config,
-					 client);
+					 kpad);
 	if (error)
 		return error;

@@ -1010,8 +1016,6 @@ static int adp5589_probe(struct i2c_client *client,
 	if (error)
 		return error;

-	i2c_set_clientdata(client, kpad);
-
 	dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
 	return 0;
 }
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -978,12 +978,12 @@ static int rmi_driver_remove(struct device *dev)

 	rmi_disable_irq(rmi_dev, false);

-	irq_domain_remove(data->irqdomain);
-	data->irqdomain = NULL;
-
 	rmi_f34_remove_sysfs(rmi_dev);
 	rmi_free_function_list(rmi_dev);

+	irq_domain_remove(data->irqdomain);
+	data->irqdomain = NULL;
+
 	return 0;
 }

--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -273,6 +273,13 @@ static int qcom_smmu_cfg_probe(struct arm_smmu_device *smmu)
 	u32 smr;
 	int i;

+	/*
+	 * MSM8998 LPASS SMMU reports 13 context banks, but accessing
+	 * the last context bank crashes the system.
+	 */
+	if (of_device_is_compatible(smmu->dev->of_node, "qcom,msm8998-smmu-v2") && smmu->num_context_banks == 13)
+		smmu->num_context_banks = 12;
+
 	/*
 	 * Some platforms support more than the Arm SMMU architected maximum of
 	 * 128 stream matching groups. For unknown reasons, the additional
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -1189,9 +1189,7 @@ static void free_iommu(struct intel_iommu *iommu)
 */
 static inline void reclaim_free_desc(struct q_inval *qi)
 {
-	while (qi->desc_status[qi->free_tail] == QI_DONE ||
-	       qi->desc_status[qi->free_tail] == QI_ABORT) {
-		qi->desc_status[qi->free_tail] = QI_FREE;
+	while (qi->desc_status[qi->free_tail] == QI_FREE && qi->free_tail != qi->free_head) {
 		qi->free_tail = (qi->free_tail + 1) % QI_LENGTH;
 		qi->free_cnt++;
 	}
@@ -1426,8 +1424,16 @@ restart:
 		raw_spin_lock(&qi->q_lock);
 	}

-	for (i = 0; i < count; i++)
-		qi->desc_status[(index + i) % QI_LENGTH] = QI_DONE;
+	/*
+	 * The reclaim code can free descriptors from multiple submissions
+	 * starting from the tail of the queue. When count == 0, the
+	 * status of the standalone wait descriptor at the tail of the queue
+	 * must be set to QI_FREE to allow the reclaim code to proceed.
+	 * It is also possible that descriptors from one of the previous
+	 * submissions has to be reclaimed by a subsequent submission.
+	 */
+	for (i = 0; i <= count; i++)
+		qi->desc_status[(index + i) % QI_LENGTH] = QI_FREE;

 	reclaim_free_desc(qi);
 	raw_spin_unlock_irqrestore(&qi->q_lock, flags);
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1697,10 +1697,10 @@ static int iommu_init_domains(struct intel_iommu *iommu)
 	 * entry for first-level or pass-through translation modes should
 	 * be programmed with a domain id different from those used for
 	 * second-level or nested translation. We reserve a domain id for
-	 * this purpose.
+	 * this purpose. This domain id is also used for identity domain
+	 * in legacy mode.
 	 */
-	if (sm_supported(iommu))
-		set_bit(FLPT_DEFAULT_DID, iommu->domain_ids);
+	set_bit(FLPT_DEFAULT_DID, iommu->domain_ids);

 	return 0;
 }
--- a/drivers/media/i2c/ar0521.c
+++ b/drivers/media/i2c/ar0521.c
@@ -718,7 +718,8 @@ static int ar0521_power_off(struct device *dev)
 	clk_disable_unprepare(sensor->extclk);

 	if (sensor->reset_gpio)
-		gpiod_set_value(sensor->reset_gpio, 1); /* assert RESET signal */
+		/* assert RESET signal */
+		gpiod_set_value_cansleep(sensor->reset_gpio, 1);

 	for (i = ARRAY_SIZE(ar0521_supply_names) - 1; i >= 0; i--) {
 		if (sensor->supplies[i])
@@ -752,7 +753,7 @@ static int ar0521_power_on(struct device *dev)

 	if (sensor->reset_gpio)
 		/* deassert RESET signal */
-		gpiod_set_value(sensor->reset_gpio, 0);
+		gpiod_set_value_cansleep(sensor->reset_gpio, 0);
 	usleep_range(4500, 5000); /* min 45000 clocks */

 	for (cnt = 0; cnt < ARRAY_SIZE(initial_regs); cnt++) {
--- a/drivers/media/i2c/imx335.c
+++ b/drivers/media/i2c/imx335.c
@@ -75,6 +75,12 @@ struct imx335_reg_list {
 	const struct imx335_reg *regs;
 };

+static const char * const imx335_supply_name[] = {
+	"avdd", /* Analog (2.9V) supply */
+	"ovdd", /* Digital I/O (1.8V) supply */
+	"dvdd", /* Digital Core (1.2V) supply */
+};
+
 /**
 * struct imx335_mode - imx335 sensor mode structure
 * @width: Frame width
@@ -108,6 +114,7 @@ struct imx335_mode {
 * @sd: V4L2 sub-device
 * @pad: Media pad. Only one pad supported
 * @reset_gpio: Sensor reset gpio
+ * @supplies: Regulator supplies to handle power control
 * @inclk: Sensor input clock
 * @ctrl_handler: V4L2 control handler
 * @link_freq_ctrl: Pointer to link frequency control
@@ -127,6 +134,8 @@ struct imx335 {
 	struct v4l2_subdev sd;
 	struct media_pad pad;
 	struct gpio_desc *reset_gpio;
+	struct regulator_bulk_data supplies[ARRAY_SIZE(imx335_supply_name)];
+
 	struct clk *inclk;
 	struct v4l2_ctrl_handler ctrl_handler;
 	struct v4l2_ctrl *link_freq_ctrl;
@@ -783,13 +792,24 @@ static int imx335_parse_hw_config(struct imx335 *imx335)

 	/* Request optional reset pin */
 	imx335->reset_gpio = devm_gpiod_get_optional(imx335->dev, "reset",
-						     GPIOD_OUT_LOW);
+						     GPIOD_OUT_HIGH);
 	if (IS_ERR(imx335->reset_gpio)) {
 		dev_err(imx335->dev, "failed to get reset gpio %ld",
 			PTR_ERR(imx335->reset_gpio));
 		return PTR_ERR(imx335->reset_gpio);
 	}

+	for (i = 0; i < ARRAY_SIZE(imx335_supply_name); i++)
+		imx335->supplies[i].supply = imx335_supply_name[i];
+
+	ret = devm_regulator_bulk_get(imx335->dev,
+				      ARRAY_SIZE(imx335_supply_name),
+				      imx335->supplies);
+	if (ret) {
+		dev_err(imx335->dev, "Failed to get regulators\n");
+		return ret;
+	}
+
 	/* Get sensor input clock */
 	imx335->inclk = devm_clk_get(imx335->dev, NULL);
 	if (IS_ERR(imx335->inclk)) {
@@ -868,7 +888,17 @@ static int imx335_power_on(struct device *dev)
 	struct imx335 *imx335 = to_imx335(sd);
 	int ret;

-	gpiod_set_value_cansleep(imx335->reset_gpio, 1);
+	ret = regulator_bulk_enable(ARRAY_SIZE(imx335_supply_name),
+				    imx335->supplies);
+	if (ret) {
+		dev_err(dev, "%s: failed to enable regulators\n",
+			__func__);
+		return ret;
+	}
+
+	usleep_range(500, 550); /* Tlow */
+
+	gpiod_set_value_cansleep(imx335->reset_gpio, 0);

 	ret = clk_prepare_enable(imx335->inclk);
 	if (ret) {
@@ -876,12 +906,13 @@ static int imx335_power_on(struct device *dev)
 		goto error_reset;
 	}

-	usleep_range(20, 22);
+	usleep_range(20, 22); /* T4 */

 	return 0;

 error_reset:
-	gpiod_set_value_cansleep(imx335->reset_gpio, 0);
+	gpiod_set_value_cansleep(imx335->reset_gpio, 1);
+	regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), imx335->supplies);

 	return ret;
 }
@@ -897,9 +928,9 @@ static int imx335_power_off(struct device *dev)
 	struct v4l2_subdev *sd = dev_get_drvdata(dev);
 	struct imx335 *imx335 = to_imx335(sd);

-	gpiod_set_value_cansleep(imx335->reset_gpio, 0);
-
+	gpiod_set_value_cansleep(imx335->reset_gpio, 1);
 	clk_disable_unprepare(imx335->inclk);
+	regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), imx335->supplies);

 	return 0;
 }
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -1663,6 +1663,8 @@ static int camss_probe(struct platform_device *pdev)

 	v4l2_async_nf_init(&camss->notifier);

+	pm_runtime_enable(dev);
+
 	num_subdevs = camss_of_parse_ports(camss);
 	if (num_subdevs < 0) {
 		ret = num_subdevs;
@@ -1700,8 +1702,6 @@ static int camss_probe(struct platform_device *pdev)
 		}
 	}

-	pm_runtime_enable(dev);
-
 	return 0;

 err_register_subdevs:
@@ -1709,6 +1709,7 @@ err_register_subdevs:
 err_v4l2_device_unregister:
 	v4l2_device_unregister(&camss->v4l2_dev);
 	v4l2_async_nf_cleanup(&camss->notifier);
+	pm_runtime_disable(dev);
 err_genpd_cleanup:
 	camss_genpd_cleanup(camss);

--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -423,6 +423,7 @@ static int venus_remove(struct platform_device *pdev)
 	struct device *dev = core->dev;
 	int ret;

+	cancel_delayed_work_sync(&core->work);
 	ret = pm_runtime_get_sync(dev);
 	WARN_ON(ret < 0);

--- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
+++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
@@ -40,6 +40,10 @@ static const struct media_entity_operations sun4i_csi_video_entity_ops = {
 	.link_validate = v4l2_subdev_link_validate,
 };

+static const struct media_entity_operations sun4i_csi_subdev_entity_ops = {
+	.link_validate = v4l2_subdev_link_validate,
+};
+
 static int sun4i_csi_notify_bound(struct v4l2_async_notifier *notifier,
 				  struct v4l2_subdev *subdev,
 				  struct v4l2_async_subdev *asd)
@@ -214,6 +218,7 @@ static int sun4i_csi_probe(struct platform_device *pdev)
 	v4l2_subdev_init(subdev, &sun4i_csi_subdev_ops);
 	subdev->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
 	subdev->entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
+	subdev->entity.ops = &sun4i_csi_subdev_entity_ops;
 	subdev->owner = THIS_MODULE;
 	snprintf(subdev->name, sizeof(subdev->name), "sun4i-csi-0");
 	v4l2_set_subdevdata(subdev, csi);
--- a/Show More
+++ b/Show More