diff --git a/Documentation/admin-guide/sysctl/net.rst b/Documentation/admin-guide/sysctl/net.rst
index 4f1a686b4b64bcac77a81787d844654f01b3cfbf..1ba6c0b9c16174943468899fd9a179a5760cc88b 100644
--- a/Documentation/admin-guide/sysctl/net.rst
+++ b/Documentation/admin-guide/sysctl/net.rst
@@ -31,18 +31,18 @@ see only some of them, depending on your kernel's configuration.
 
 Table : Subdirectories in /proc/sys/net
 
- ========= =================== = ========== ==================
+ ========= =================== = ========== ===================
  Directory Content               Directory  Content
- ========= =================== = ========== ==================
- 802       E802 protocol         mptcp     Multipath TCP
- appletalk Appletalk protocol    netfilter Network Filter
+ ========= =================== = ========== ===================
+ 802       E802 protocol         mptcp      Multipath TCP
+ appletalk Appletalk protocol    netfilter  Network Filter
  ax25      AX25                  netrom     NET/ROM
- bridge    Bridging              rose      X.25 PLP layer
- core      General parameter     tipc      TIPC
- ethernet  Ethernet protocol     unix      Unix domain sockets
- ipv4      IP version 4          x25       X.25 protocol
+ bridge    Bridging              rose       X.25 PLP layer
+ core      General parameter     tipc       TIPC
+ ethernet  Ethernet protocol     unix       Unix domain sockets
+ ipv4      IP version 4          x25        X.25 protocol
  ipv6      IP version 6
- ========= =================== = ========== ==================
+ ========= =================== = ========== ===================
 
 1. /proc/sys/net/core - Network core options
 ============================================
diff --git a/Makefile b/Makefile
index 15a72ad54009803e50b32d112c4d31b6307bc61c..7448e85c36023cf7e2ff170022ea05fecd53796f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 198
+SUBLEVEL = 199
 EXTRAVERSION =
 NAME = Dare mighty things
 
diff --git a/README.OpenSource b/README.OpenSource
index 311886ae891c41221d950909c9401765a9049687..b997183dcb47d6a37a37dc12bd93c1546d05534d 100644
--- a/README.OpenSource
+++ b/README.OpenSource
@@ -3,7 +3,7 @@
         "Name": "linux-5.10",
         "License": "GPL-2.0+",
         "License File": "COPYING",
-        "Version Number": "5.10.198",
+        "Version Number": "5.10.199",
         "Owner": "liuyu82@huawei.com",
         "Upstream URL": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-5.10.y",
         "Description": "linux kernel 5.10"
diff --git a/arch/arm/boot/dts/motorola-mapphone-common.dtsi b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
index 8cb26b924d3ca4cfae9d2256aeab0f533dbfc887..f9392a135d38717b603878579e35e561a49d6eac 100644
--- a/arch/arm/boot/dts/motorola-mapphone-common.dtsi
+++ b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
@@ -765,6 +765,7 @@ &uart1 {
 &uart3 {
 	interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH
 			       &omap4_pmx_core 0x17c>;
+	overrun-throttle-ms = <500>;
 };
 
 &uart4 {
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index da8c71f321ad3c2ee1c4733e7326cdc78a9f4fdf..1e417c3eedfef7dee8380940faf98e1524b9215f 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -906,6 +906,8 @@ void __init setup_arch(char **cmdline_p)
 
 	/* Parse memory topology */
 	mem_topology_setup();
+	/* Set max_mapnr before paging_init() */
+	set_max_mapnr(max_pfn);
 
 	/*
 	 * Release secondary cpus out of their spinloops at 0x60 now that
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 1ed276d2305fab3e203cfcb0b285164fbfe99c00..08e3422eb79262d26ac09c05887093d70a6750cb 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -293,7 +293,6 @@ void __init mem_init(void)
 #endif
 
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
-	set_max_mapnr(max_pfn);
 
 	kasan_late_init();
 
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index ebc9a49523aa3182e0949c5e442ed24016427b6d..f6690a7003c6e274018343c9864786a5d09de0f3 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -541,6 +541,17 @@ static void s390_dma_unmap_sg(struct device *dev, struct scatterlist *sg,
 		s->dma_length = 0;
 	}
 }
+
+static unsigned long *bitmap_vzalloc(size_t bits, gfp_t flags)
+{
+	size_t n = BITS_TO_LONGS(bits);
+	size_t bytes;
+
+	if (unlikely(check_mul_overflow(n, sizeof(unsigned long), &bytes)))
+		return NULL;
+
+	return vzalloc(bytes);
+}
 	
 int zpci_dma_init_device(struct zpci_dev *zdev)
 {
@@ -577,13 +588,13 @@ int zpci_dma_init_device(struct zpci_dev *zdev)
 				zdev->end_dma - zdev->start_dma + 1);
 	zdev->end_dma = zdev->start_dma + zdev->iommu_size - 1;
 	zdev->iommu_pages = zdev->iommu_size >> PAGE_SHIFT;
-	zdev->iommu_bitmap = vzalloc(zdev->iommu_pages / 8);
+	zdev->iommu_bitmap = bitmap_vzalloc(zdev->iommu_pages, GFP_KERNEL);
 	if (!zdev->iommu_bitmap) {
 		rc = -ENOMEM;
 		goto free_dma_table;
 	}
 	if (!s390_iommu_strict) {
-		zdev->lazy_bitmap = vzalloc(zdev->iommu_pages / 8);
+		zdev->lazy_bitmap = bitmap_vzalloc(zdev->iommu_pages, GFP_KERNEL);
 		if (!zdev->lazy_bitmap) {
 			rc = -ENOMEM;
 			goto free_bitmap;
diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S
index 7488d130faf730d6e96414ce987ff4a5e8b37ca6..f5a8851e0e55b27320c4503f8cf70d11f4b90464 100644
--- a/arch/sparc/lib/checksum_32.S
+++ b/arch/sparc/lib/checksum_32.S
@@ -463,5 +463,5 @@ ccslow:	cmp	%g1, 0
  * we only bother with faults on loads... */
 
 cc_fault:
-	ret
+	retl
 	 clr	%o0
diff --git a/arch/x86/boot/compressed/sev-es.c b/arch/x86/boot/compressed/sev-es.c
index 27826c265aab484770a3b82b7cde24116cb66d7b..e23748fa2d5f53d0d886259d6e01ad1b72ece946 100644
--- a/arch/x86/boot/compressed/sev-es.c
+++ b/arch/x86/boot/compressed/sev-es.c
@@ -106,6 +106,16 @@ static enum es_result vc_read_mem(struct es_em_ctxt *ctxt,
 	return ES_OK;
 }
 
+static enum es_result vc_ioio_check(struct es_em_ctxt *ctxt, u16 port, size_t size)
+{
+	return ES_OK;
+}
+
+static bool fault_in_kernel_space(unsigned long address)
+{
+	return false;
+}
+
 #undef __init
 #undef __pa
 #define __init
diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
index 89789e8c80f66a97db08ffad891ed26e5025219e..e16574c16e9332f2613cfd8ae02a01d73a657fba 100644
--- a/arch/x86/include/asm/i8259.h
+++ b/arch/x86/include/asm/i8259.h
@@ -67,6 +67,8 @@ struct legacy_pic {
 	void (*make_irq)(unsigned int irq);
 };
 
+void legacy_pic_pcat_compat(void);
+
 extern struct legacy_pic *legacy_pic;
 extern struct legacy_pic null_legacy_pic;
 
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 389d851a02c4fd55cab18a10b4d277bb12b093ab..4e1757bf66a894798b3e522cc77738083d00c8df 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -108,27 +108,16 @@ extern unsigned long _brk_end;
 void *extend_brk(size_t size, size_t align);
 
 /*
- * Reserve space in the brk section.  The name must be unique within
- * the file, and somewhat descriptive.  The size is in bytes.  Must be
- * used at file scope.
+ * Reserve space in the .brk section, which is a block of memory from which the
+ * caller is allowed to allocate very early (before even memblock is available)
+ * by calling extend_brk().  All allocated memory will be eventually converted
+ * to memblock.  Any leftover unallocated memory will be freed.
  *
- * (This uses a temp function to wrap the asm so we can pass it the
- * size parameter; otherwise we wouldn't be able to.  We can't use a
- * "section" attribute on a normal variable because it always ends up
- * being @progbits, which ends up allocating space in the vmlinux
- * executable.)
+ * The size is in bytes.
  */
-#define RESERVE_BRK(name,sz)						\
-	static void __section(".discard.text") __used notrace		\
-	__brk_reservation_fn_##name##__(void) {				\
-		asm volatile (						\
-			".pushsection .brk_reservation,\"aw\",@nobits;" \
-			".brk." #name ":"				\
-			" 1:.skip %c0;"					\
-			" .size .brk." #name ", . - 1b;"		\
-			" .popsection"					\
-			: : "i" (sz));					\
-	}
+#define RESERVE_BRK(name, size)					\
+	__section(".bss..brk") __aligned(1) __used	\
+	static char __brk_##name[size]
 
 /* Helper for reserving space for arrays of things */
 #define RESERVE_BRK_ARRAY(type, name, entries)		\
@@ -146,12 +135,19 @@ asmlinkage void __init x86_64_start_reservations(char *real_mode_data);
 
 #endif /* __i386__ */
 #endif /* _SETUP */
-#else
-#define RESERVE_BRK(name,sz)				\
-	.pushsection .brk_reservation,"aw",@nobits;	\
-.brk.name:						\
-1:	.skip sz;					\
-	.size .brk.name,.-1b;				\
+
+#else  /* __ASSEMBLY */
+
+.macro __RESERVE_BRK name, size
+	.pushsection .bss..brk, "aw"
+SYM_DATA_START(__brk_\name)
+	.skip \size
+SYM_DATA_END(__brk_\name)
 	.popsection
+.endm
+
+#define RESERVE_BRK(name, size) __RESERVE_BRK name, size
+
 #endif /* __ASSEMBLY__ */
+
 #endif /* _ASM_X86_SETUP_H */
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 55562a9b7f92e9d6bc5f5db958dee01753f8321c..c91851573e5f172901b5e37f252e774385165c7d 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -141,6 +141,9 @@ static int __init acpi_parse_madt(struct acpi_table_header *table)
 		       madt->address);
 	}
 
+	if (madt->flags & ACPI_MADT_PCAT_COMPAT)
+		legacy_pic_pcat_compat();
+
 	default_acpi_madt_oem_check(madt->header.oem_id,
 				    madt->header.oem_table_id);
 
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index f325389d035168b8e76341dc0d9f6f06a38804db..4c9f559e1388b50aab87c4ce1ebfa79f6b209a1c 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -32,6 +32,7 @@
  */
 static void init_8259A(int auto_eoi);
 
+static bool pcat_compat __ro_after_init;
 static int i8259A_auto_eoi;
 DEFINE_RAW_SPINLOCK(i8259A_lock);
 
@@ -301,15 +302,32 @@ static void unmask_8259A(void)
 
 static int probe_8259A(void)
 {
+	unsigned char new_val, probe_val = ~(1 << PIC_CASCADE_IR);
 	unsigned long flags;
-	unsigned char probe_val = ~(1 << PIC_CASCADE_IR);
-	unsigned char new_val;
+
+	/*
+	 * If MADT has the PCAT_COMPAT flag set, then do not bother probing
+	 * for the PIC. Some BIOSes leave the PIC uninitialized and probing
+	 * fails.
+	 *
+	 * Right now this causes problems as quite some code depends on
+	 * nr_legacy_irqs() > 0 or has_legacy_pic() == true. This is silly
+	 * when the system has an IO/APIC because then PIC is not required
+	 * at all, except for really old machines where the timer interrupt
+	 * must be routed through the PIC. So just pretend that the PIC is
+	 * there and let legacy_pic->init() initialize it for nothing.
+	 *
+	 * Alternatively this could just try to initialize the PIC and
+	 * repeat the probe, but for cases where there is no PIC that's
+	 * just pointless.
+	 */
+	if (pcat_compat)
+		return nr_legacy_irqs();
+
 	/*
-	 * Check to see if we have a PIC.
-	 * Mask all except the cascade and read
-	 * back the value we just wrote. If we don't
-	 * have a PIC, we will read 0xff as opposed to the
-	 * value we wrote.
+	 * Check to see if we have a PIC.  Mask all except the cascade and
+	 * read back the value we just wrote. If we don't have a PIC, we
+	 * will read 0xff as opposed to the value we wrote.
 	 */
 	raw_spin_lock_irqsave(&i8259A_lock, flags);
 
@@ -431,5 +449,9 @@ static int __init i8259A_init_ops(void)
 
 	return 0;
 }
-
 device_initcall(i8259A_init_ops);
+
+void __init legacy_pic_pcat_compat(void)
+{
+	pcat_compat = true;
+}
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 065152d9265e4b504d219184333e233b3beaba45..e9b483c6f413151971e6262e7a5078e18ca87484 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -64,11 +64,6 @@ RESERVE_BRK(dmi_alloc, 65536);
 #endif
 
 
-/*
- * Range of the BSS area. The size of the BSS area is determined
- * at link time, with RESERVE_BRK*() facility reserving additional
- * chunks.
- */
 unsigned long _brk_start = (unsigned long)__brk_base;
 unsigned long _brk_end   = (unsigned long)__brk_base;
 
diff --git a/arch/x86/kernel/sev-es-shared.c b/arch/x86/kernel/sev-es-shared.c
index 82db4014deb212abd361ec6f663fd8a50f731130..e9f8a2bc5de963dfa1d778fc0f2c4d9d00257109 100644
--- a/arch/x86/kernel/sev-es-shared.c
+++ b/arch/x86/kernel/sev-es-shared.c
@@ -217,6 +217,23 @@ void __init do_vc_no_ghcb(struct pt_regs *regs, unsigned long exit_code)
 		asm volatile("hlt\n");
 }
 
+static enum es_result vc_insn_string_check(struct es_em_ctxt *ctxt,
+					   unsigned long address,
+					   bool write)
+{
+	if (user_mode(ctxt->regs) && fault_in_kernel_space(address)) {
+		ctxt->fi.vector     = X86_TRAP_PF;
+		ctxt->fi.error_code = X86_PF_USER;
+		ctxt->fi.cr2        = address;
+		if (write)
+			ctxt->fi.error_code |= X86_PF_WRITE;
+
+		return ES_EXCEPTION;
+	}
+
+	return ES_OK;
+}
+
 static enum es_result vc_insn_string_read(struct es_em_ctxt *ctxt,
 					  void *src, char *buf,
 					  unsigned int data_size,
@@ -224,7 +241,12 @@ static enum es_result vc_insn_string_read(struct es_em_ctxt *ctxt,
 					  bool backwards)
 {
 	int i, b = backwards ? -1 : 1;
-	enum es_result ret = ES_OK;
+	unsigned long address = (unsigned long)src;
+	enum es_result ret;
+
+	ret = vc_insn_string_check(ctxt, address, false);
+	if (ret != ES_OK)
+		return ret;
 
 	for (i = 0; i < count; i++) {
 		void *s = src + (i * data_size * b);
@@ -245,7 +267,12 @@ static enum es_result vc_insn_string_write(struct es_em_ctxt *ctxt,
 					   bool backwards)
 {
 	int i, s = backwards ? -1 : 1;
-	enum es_result ret = ES_OK;
+	unsigned long address = (unsigned long)dst;
+	enum es_result ret;
+
+	ret = vc_insn_string_check(ctxt, address, true);
+	if (ret != ES_OK)
+		return ret;
 
 	for (i = 0; i < count; i++) {
 		void *d = dst + (i * data_size * s);
@@ -281,6 +308,9 @@ static enum es_result vc_insn_string_write(struct es_em_ctxt *ctxt,
 static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo)
 {
 	struct insn *insn = &ctxt->insn;
+	size_t size;
+	u64 port;
+
 	*exitinfo = 0;
 
 	switch (insn->opcode.bytes[0]) {
@@ -289,7 +319,7 @@ static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo)
 	case 0x6d:
 		*exitinfo |= IOIO_TYPE_INS;
 		*exitinfo |= IOIO_SEG_ES;
-		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;
+		port	   = ctxt->regs->dx & 0xffff;
 		break;
 
 	/* OUTS opcodes */
@@ -297,41 +327,43 @@ static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo)
 	case 0x6f:
 		*exitinfo |= IOIO_TYPE_OUTS;
 		*exitinfo |= IOIO_SEG_DS;
-		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;
+		port	   = ctxt->regs->dx & 0xffff;
 		break;
 
 	/* IN immediate opcodes */
 	case 0xe4:
 	case 0xe5:
 		*exitinfo |= IOIO_TYPE_IN;
-		*exitinfo |= (u8)insn->immediate.value << 16;
+		port	   = (u8)insn->immediate.value & 0xffff;
 		break;
 
 	/* OUT immediate opcodes */
 	case 0xe6:
 	case 0xe7:
 		*exitinfo |= IOIO_TYPE_OUT;
-		*exitinfo |= (u8)insn->immediate.value << 16;
+		port	   = (u8)insn->immediate.value & 0xffff;
 		break;
 
 	/* IN register opcodes */
 	case 0xec:
 	case 0xed:
 		*exitinfo |= IOIO_TYPE_IN;
-		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;
+		port	   = ctxt->regs->dx & 0xffff;
 		break;
 
 	/* OUT register opcodes */
 	case 0xee:
 	case 0xef:
 		*exitinfo |= IOIO_TYPE_OUT;
-		*exitinfo |= (ctxt->regs->dx & 0xffff) << 16;
+		port	   = ctxt->regs->dx & 0xffff;
 		break;
 
 	default:
 		return ES_DECODE_FAILED;
 	}
 
+	*exitinfo |= port << 16;
+
 	switch (insn->opcode.bytes[0]) {
 	case 0x6c:
 	case 0x6e:
@@ -341,12 +373,15 @@ static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo)
 	case 0xee:
 		/* Single byte opcodes */
 		*exitinfo |= IOIO_DATA_8;
+		size       = 1;
 		break;
 	default:
 		/* Length determined by instruction parsing */
 		*exitinfo |= (insn->opnd_bytes == 2) ? IOIO_DATA_16
 						     : IOIO_DATA_32;
+		size       = (insn->opnd_bytes == 2) ? 2 : 4;
 	}
+
 	switch (insn->addr_bytes) {
 	case 2:
 		*exitinfo |= IOIO_ADDR_16;
@@ -362,7 +397,7 @@ static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo)
 	if (insn_has_rep_prefix(insn))
 		*exitinfo |= IOIO_REP;
 
-	return ES_OK;
+	return vc_ioio_check(ctxt, (u16)port, size);
 }
 
 static enum es_result vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt)
diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c
index f441002c2327685fbfe890051e07e41b1befec22..b6f9fe0d6173a02ae403e563a5d97f93a684503e 100644
--- a/arch/x86/kernel/sev-es.c
+++ b/arch/x86/kernel/sev-es.c
@@ -448,6 +448,33 @@ static enum es_result vc_slow_virt_to_phys(struct ghcb *ghcb, struct es_em_ctxt
 	return ES_OK;
 }
 
+static enum es_result vc_ioio_check(struct es_em_ctxt *ctxt, u16 port, size_t size)
+{
+	BUG_ON(size > 4);
+
+	if (user_mode(ctxt->regs)) {
+		struct thread_struct *t = &current->thread;
+		struct io_bitmap *iobm = t->io_bitmap;
+		size_t idx;
+
+		if (!iobm)
+			goto fault;
+
+		for (idx = port; idx < port + size; ++idx) {
+			if (test_bit(idx, iobm->bitmap))
+				goto fault;
+		}
+	}
+
+	return ES_OK;
+
+fault:
+	ctxt->fi.vector = X86_TRAP_GP;
+	ctxt->fi.error_code = 0;
+
+	return ES_EXCEPTION;
+}
+
 /* Include code shared with pre-decompression boot stage */
 #include "sev-es-shared.c"
 
@@ -970,6 +997,9 @@ static enum es_result vc_handle_mmio(struct ghcb *ghcb,
 	enum es_result ret;
 	long *reg_data;
 
+	if (user_mode(ctxt->regs))
+		return ES_UNSUPPORTED;
+
 	switch (insn->opcode.bytes[0]) {
 	/* MMIO Write */
 	case 0x88:
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index f0d4500ae77ae262c28e654db7d8ab5180081bbe..740f87d8aa48142845f4d726bf0962171362deff 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -414,7 +414,7 @@ SECTIONS
 	.brk : AT(ADDR(.brk) - LOAD_OFFSET) {
 		__brk_base = .;
 		. += 64 * 1024;		/* 64k alignment slop space */
-		*(.brk_reservation)	/* areas brk users have reserved */
+		*(.bss..brk)		/* areas brk users have reserved */
 		__brk_limit = .;
 	}
 
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 21189804524a77f591cdfd6e0f6912e373da6df7..a40408895e23021fae472c0f9a05979b21e00563 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2397,13 +2397,17 @@ int kvm_apic_local_deliver(struct kvm_lapic *apic, int lvt_type)
 {
 	u32 reg = kvm_lapic_get_reg(apic, lvt_type);
 	int vector, mode, trig_mode;
+	int r;
 
 	if (kvm_apic_hw_enabled(apic) && !(reg & APIC_LVT_MASKED)) {
 		vector = reg & APIC_VECTOR_MASK;
 		mode = reg & APIC_MODE_MASK;
 		trig_mode = reg & APIC_LVT_LEVEL_TRIGGER;
-		return __apic_accept_irq(apic, mode, vector, 1, trig_mode,
-					NULL);
+
+		r = __apic_accept_irq(apic, mode, vector, 1, trig_mode, NULL);
+		if (r && lvt_type == APIC_LVTPC)
+			kvm_lapic_set_reg(apic, APIC_LVTPC, reg | APIC_LVT_MASKED);
+		return r;
 	}
 	return 0;
 }
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index e209081d644b5785e104ea6beda95c6a0eab735e..6a9490ad78ceb03758b49a6d59b737580101b7c8 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -52,6 +52,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger,
 		      int polarity)
 {
 	struct irq_fwspec fwspec;
+	unsigned int irq;
 
 	if (WARN_ON(!acpi_gsi_domain_id)) {
 		pr_warn("GSI: No registered irqchip, giving up\n");
@@ -63,7 +64,11 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger,
 	fwspec.param[1] = acpi_dev_get_irq_type(trigger, polarity);
 	fwspec.param_count = 2;
 
-	return irq_create_fwspec_mapping(&fwspec);
+	irq = irq_create_fwspec_mapping(&fwspec);
+	if (!irq)
+		return -EINVAL;
+
+	return irq;
 }
 EXPORT_SYMBOL_GPL(acpi_register_gsi);
 
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index f2f5f1dc7c61d64f5804cc1095687fc343e92b32..bfd821173f8632389e392554c06f2b7177886ff4 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -16,6 +16,7 @@
 #include <linux/ioport.h>
 #include <linux/slab.h>
 #include <linux/irq.h>
+#include <linux/dmi.h>
 
 #ifdef CONFIG_X86
 #define valid_IRQ(i) (((i) != 0) && ((i) != 2))
@@ -380,21 +381,117 @@ unsigned int acpi_dev_get_irq_type(int triggering, int polarity)
 }
 EXPORT_SYMBOL_GPL(acpi_dev_get_irq_type);
 
-static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
+static const struct dmi_system_id medion_laptop[] = {
+	{
+		.ident = "MEDION P15651",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
+			DMI_MATCH(DMI_BOARD_NAME, "M15T"),
+		},
+	},
+	{ }
+};
+
+static const struct dmi_system_id asus_laptop[] = {
+	{
+		.ident = "Asus Vivobook K3402ZA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "K3402ZA"),
+		},
+	},
+	{
+		.ident = "Asus Vivobook K3502ZA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "K3502ZA"),
+		},
+	},
+	{
+		.ident = "Asus Vivobook S5402ZA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "S5402ZA"),
+		},
+	},
+	{
+		.ident = "Asus Vivobook S5602ZA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "S5602ZA"),
+		},
+	},
+	{
+		.ident = "Asus ExpertBook B1402CBA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "B1402CBA"),
+		},
+	},
+	{
+		.ident = "Asus ExpertBook B1502CBA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "B1502CBA"),
+		},
+	},
+	{
+		.ident = "Asus ExpertBook B2402CBA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "B2402CBA"),
+		},
+	},
+	{
+		.ident = "Asus ExpertBook B2502",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "B2502CBA"),
+		},
+	},
+	{ }
+};
+
+struct irq_override_cmp {
+	const struct dmi_system_id *system;
+	unsigned char irq;
+	unsigned char triggering;
+	unsigned char polarity;
+	unsigned char shareable;
+};
+
+static const struct irq_override_cmp skip_override_table[] = {
+	{ medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0 },
+	{ asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0 },
+};
+
+static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity,
+				  u8 shareable)
 {
-	res->start = gsi;
-	res->end = gsi;
-	res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(skip_override_table); i++) {
+		const struct irq_override_cmp *entry = &skip_override_table[i];
+
+		if (dmi_check_system(entry->system) &&
+		    entry->irq == gsi &&
+		    entry->triggering == triggering &&
+		    entry->polarity == polarity &&
+		    entry->shareable == shareable)
+			return false;
+	}
+
+	return true;
 }
 
 static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
 				     u8 triggering, u8 polarity, u8 shareable,
-				     bool legacy)
+				     bool check_override)
 {
 	int irq, p, t;
 
 	if (!valid_IRQ(gsi)) {
-		acpi_dev_irqresource_disabled(res, gsi);
+		irqresource_disabled(res, gsi);
 		return;
 	}
 
@@ -408,7 +505,9 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
 	 * using extended IRQ descriptors we take the IRQ configuration
 	 * from _CRS directly.
 	 */
-	if (legacy && !acpi_get_override_irq(gsi, &t, &p)) {
+	if (check_override &&
+	    acpi_dev_irq_override(gsi, triggering, polarity, shareable) &&
+	    !acpi_get_override_irq(gsi, &t, &p)) {
 		u8 trig = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
 		u8 pol = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
 
@@ -426,7 +525,7 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
 		res->start = irq;
 		res->end = irq;
 	} else {
-		acpi_dev_irqresource_disabled(res, gsi);
+		irqresource_disabled(res, gsi);
 	}
 }
 
@@ -463,7 +562,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 		 */
 		irq = &ares->data.irq;
 		if (index >= irq->interrupt_count) {
-			acpi_dev_irqresource_disabled(res, 0);
+			irqresource_disabled(res, 0);
 			return false;
 		}
 		acpi_dev_get_irqresource(res, irq->interrupts[index],
@@ -473,7 +572,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 	case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
 		ext_irq = &ares->data.extended_irq;
 		if (index >= ext_irq->interrupt_count) {
-			acpi_dev_irqresource_disabled(res, 0);
+			irqresource_disabled(res, 0);
 			return false;
 		}
 		if (is_gsi(ext_irq))
@@ -481,7 +580,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 					 ext_irq->triggering, ext_irq->polarity,
 					 ext_irq->shareable, false);
 		else
-			acpi_dev_irqresource_disabled(res, 0);
+			irqresource_disabled(res, 0);
 		break;
 	default:
 		res->flags = 0;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 5fb3eda0a280b38e95dbb8efd013145fd0ac3331..2308c2be85a18f21bfbc581a9516eec25a8a112d 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2224,7 +2224,7 @@ static void ata_eh_link_report(struct ata_link *link)
 	struct ata_eh_context *ehc = &link->eh_context;
 	struct ata_queued_cmd *qc;
 	const char *frozen, *desc;
-	char tries_buf[6] = "";
+	char tries_buf[16] = "";
 	int tag, nr_failed = 0;
 
 	if (ehc->i.flags & ATA_EHI_QUIET)
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 8c0d33e182fd5b0781aa7ba5e811da418fee168a..1b9d47b10bd0a88411ed3b7bfc5d5583e632f0b3 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -30,6 +30,75 @@ static struct device *next_device(struct klist_iter *i)
 	return dev;
 }
 
+/**
+ * driver_set_override() - Helper to set or clear driver override.
+ * @dev: Device to change
+ * @override: Address of string to change (e.g. &device->driver_override);
+ *            The contents will be freed and hold newly allocated override.
+ * @s: NUL-terminated string, new driver name to force a match, pass empty
+ *     string to clear it ("" or "\n", where the latter is only for sysfs
+ *     interface).
+ * @len: length of @s
+ *
+ * Helper to set or clear driver override in a device, intended for the cases
+ * when the driver_override field is allocated by driver/bus code.
+ *
+ * Returns: 0 on success or a negative error code on failure.
+ */
+int driver_set_override(struct device *dev, const char **override,
+			const char *s, size_t len)
+{
+	const char *new, *old;
+	char *cp;
+
+	if (!override || !s)
+		return -EINVAL;
+
+	/*
+	 * The stored value will be used in sysfs show callback (sysfs_emit()),
+	 * which has a length limit of PAGE_SIZE and adds a trailing newline.
+	 * Thus we can store one character less to avoid truncation during sysfs
+	 * show.
+	 */
+	if (len >= (PAGE_SIZE - 1))
+		return -EINVAL;
+
+	if (!len) {
+		/* Empty string passed - clear override */
+		device_lock(dev);
+		old = *override;
+		*override = NULL;
+		device_unlock(dev);
+		kfree(old);
+
+		return 0;
+	}
+
+	cp = strnchr(s, len, '\n');
+	if (cp)
+		len = cp - s;
+
+	new = kstrndup(s, len, GFP_KERNEL);
+	if (!new)
+		return -ENOMEM;
+
+	device_lock(dev);
+	old = *override;
+	if (cp != s) {
+		*override = new;
+	} else {
+		/* "\n" passed - clear override */
+		kfree(new);
+		*override = NULL;
+	}
+	device_unlock(dev);
+
+	kfree(old);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(driver_set_override);
+
 /**
  * driver_for_each_device - Iterator for devices bound to a driver.
  * @drv: Driver we're iterating.
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 88aef93eb4ddfbe7d50d8082aa1fb60107a78050..647066229fec3a952a0402e7aa9692fcb7e62946 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1046,31 +1046,11 @@ static ssize_t driver_override_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct platform_device *pdev = to_platform_device(dev);
-	char *driver_override, *old, *cp;
-
-	/* We need to keep extra room for a newline */
-	if (count >= (PAGE_SIZE - 1))
-		return -EINVAL;
-
-	driver_override = kstrndup(buf, count, GFP_KERNEL);
-	if (!driver_override)
-		return -ENOMEM;
-
-	cp = strchr(driver_override, '\n');
-	if (cp)
-		*cp = '\0';
-
-	device_lock(dev);
-	old = pdev->driver_override;
-	if (strlen(driver_override)) {
-		pdev->driver_override = driver_override;
-	} else {
-		kfree(driver_override);
-		pdev->driver_override = NULL;
-	}
-	device_unlock(dev);
+	int ret;
 
-	kfree(old);
+	ret = driver_set_override(dev, &pdev->driver_override, buf, count);
+	if (ret)
+		return ret;
 
 	return count;
 }
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 55a30afc14a00cc3dd3bba15281f623561442b62..3edff8606ac9592f96ada6c963d0b6af8319cd77 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1511,7 +1511,7 @@ static int dev_get_regmap_match(struct device *dev, void *res, void *data)
 
 	/* If the user didn't specify a name match any */
 	if (data)
-		return !strcmp((*r)->name, data);
+		return (*r)->name && !strcmp((*r)->name, data);
 	else
 		return 1;
 }
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 8469f9876dd2674f86d4f02705013140c1c1f060..31d70bad83d292a77959040239a698a88b3c3e7e 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -67,7 +67,10 @@ static int vhci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 	struct vhci_data *data = hci_get_drvdata(hdev);
 
 	memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
+
+	mutex_lock(&data->open_mutex);
 	skb_queue_tail(&data->readq, skb);
+	mutex_unlock(&data->open_mutex);
 
 	wake_up_interruptible(&data->read_wait);
 	return 0;
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 887512c09d0cc0983d697c0e03803794524dcbec..a0927c7f83d6064f1551f28d6794c1a0eca908d0 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3260,6 +3260,7 @@ static void possible_parent_show(struct seq_file *s, struct clk_core *core,
 				 unsigned int i, char terminator)
 {
 	struct clk_core *parent;
+	const char *name = NULL;
 
 	/*
 	 * Go through the following options to fetch a parent's name.
@@ -3274,18 +3275,20 @@ static void possible_parent_show(struct seq_file *s, struct clk_core *core,
 	 * registered (yet).
 	 */
 	parent = clk_core_get_parent_by_index(core, i);
-	if (parent)
+	if (parent) {
 		seq_puts(s, parent->name);
-	else if (core->parents[i].name)
+	} else if (core->parents[i].name) {
 		seq_puts(s, core->parents[i].name);
-	else if (core->parents[i].fw_name)
+	} else if (core->parents[i].fw_name) {
 		seq_printf(s, "<%s>(fw)", core->parents[i].fw_name);
-	else if (core->parents[i].index >= 0)
-		seq_puts(s,
-			 of_clk_get_parent_name(core->of_node,
-						core->parents[i].index));
-	else
-		seq_puts(s, "(missing)");
+	} else {
+		if (core->parents[i].index >= 0)
+			name = of_clk_get_parent_name(core->of_node, core->parents[i].index);
+		if (!name)
+			name = "(missing)";
+
+		seq_puts(s, name);
+	}
 
 	seq_putc(s, terminator);
 }
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index d99fec82150834efbe5bed4d2c567a0a69f367f4..4c306dd13e865a190bd3474ba8bba739b1ba651a 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3698,6 +3698,7 @@ static int __init d40_probe(struct platform_device *pdev)
 		regulator_disable(base->lcpa_regulator);
 		regulator_put(base->lcpa_regulator);
 	}
+	pm_runtime_disable(base->dev);
 
 	kfree(base->lcla_pool.alloc_map);
 	kfree(base->lookup_log_chans);
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index de14949a3fe5a89c58bcc6ca5595ba9cc5862b02..92c1f2baa4bff2eaf0255de74dc502ea4c74c1a1 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -43,9 +43,10 @@ static int timbgpio_update_bit(struct gpio_chip *gpio, unsigned index,
 	unsigned offset, bool enabled)
 {
 	struct timbgpio *tgpio = gpiochip_get_data(gpio);
+	unsigned long flags;
 	u32 reg;
 
-	spin_lock(&tgpio->lock);
+	spin_lock_irqsave(&tgpio->lock, flags);
 	reg = ioread32(tgpio->membase + offset);
 
 	if (enabled)
@@ -54,7 +55,7 @@ static int timbgpio_update_bit(struct gpio_chip *gpio, unsigned index,
 		reg &= ~(1 << index);
 
 	iowrite32(reg, tgpio->membase + offset);
-	spin_unlock(&tgpio->lock);
+	spin_unlock_irqrestore(&tgpio->lock, flags);
 
 	return 0;
 }
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 396a687e020f5fd99857825c6989d30e7c23674b..c2c38f13801f58289311295cc2dbed6f8b27ca96 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -127,14 +127,14 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
 	unsigned long mask = BIT(gpio);
 	u32 val;
 
+	vf610_gpio_set(chip, gpio, value);
+
 	if (port->sdata && port->sdata->have_paddr) {
 		val = vf610_gpio_readl(port->gpio_base + GPIO_PDDR);
 		val |= mask;
 		vf610_gpio_writel(val, port->gpio_base + GPIO_PDDR);
 	}
 
-	vf610_gpio_set(chip, gpio, value);
-
 	return pinctrl_gpio_direction_output(chip->base + gpio);
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 099542dd31544a6bfbb073d08f47962ed13806af..36a9e9c84ed4480ad7019cb215eb1586639fa996 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -862,12 +862,19 @@ static void disable_vbios_mode_if_required(
 		if (stream == NULL)
 			continue;
 
+		if (stream->apply_seamless_boot_optimization)
+			continue;
+
+		// only looking for first odm pipe
+		if (pipe->prev_odm_pipe)
+			continue;
+
 		if (stream->link->local_sink &&
 			stream->link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
 			link = stream->link;
 		}
 
-		if (link != NULL) {
+		if (link != NULL && link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
 			unsigned int enc_inst, tg_inst = 0;
 			unsigned int pix_clk_100hz;
 
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 9c3bbe2c3e6f9e981f3431a7627982d778f7a813..c4ed4f1b369c13219685c9793f2b2dfd8c2b4108 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -64,6 +64,14 @@
  * support can instead use e.g. drm_helper_hpd_irq_event().
  */
 
+/*
+ * Global connector list for drm_connector_find_by_fwnode().
+ * Note drm_connector_[un]register() first take connector->lock and then
+ * take the connector_list_lock.
+ */
+static DEFINE_MUTEX(connector_list_lock);
+static LIST_HEAD(connector_list);
+
 struct drm_conn_prop_enum_list {
 	int type;
 	const char *name;
@@ -265,6 +273,7 @@ int drm_connector_init(struct drm_device *dev,
 		goto out_put_type_id;
 	}
 
+	INIT_LIST_HEAD(&connector->global_connector_list_entry);
 	INIT_LIST_HEAD(&connector->probed_modes);
 	INIT_LIST_HEAD(&connector->modes);
 	mutex_init(&connector->mutex);
@@ -471,6 +480,8 @@ void drm_connector_cleanup(struct drm_connector *connector)
 	drm_mode_object_unregister(dev, &connector->base);
 	kfree(connector->name);
 	connector->name = NULL;
+	fwnode_handle_put(connector->fwnode);
+	connector->fwnode = NULL;
 	spin_lock_irq(&dev->mode_config.connector_list_lock);
 	list_del(&connector->head);
 	dev->mode_config.num_connector--;
@@ -532,6 +543,9 @@ int drm_connector_register(struct drm_connector *connector)
 	/* Let userspace know we have a new connector */
 	drm_sysfs_hotplug_event(connector->dev);
 
+	mutex_lock(&connector_list_lock);
+	list_add_tail(&connector->global_connector_list_entry, &connector_list);
+	mutex_unlock(&connector_list_lock);
 	goto unlock;
 
 err_debugfs:
@@ -560,6 +574,10 @@ void drm_connector_unregister(struct drm_connector *connector)
 		return;
 	}
 
+	mutex_lock(&connector_list_lock);
+	list_del_init(&connector->global_connector_list_entry);
+	mutex_unlock(&connector_list_lock);
+
 	if (connector->funcs->early_unregister)
 		connector->funcs->early_unregister(connector);
 
@@ -2462,6 +2480,67 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
 	return ret;
 }
 
+/**
+ * drm_connector_find_by_fwnode - Find a connector based on the associated fwnode
+ * @fwnode: fwnode for which to find the matching drm_connector
+ *
+ * This functions looks up a drm_connector based on its associated fwnode. When
+ * a connector is found a reference to the connector is returned. The caller must
+ * call drm_connector_put() to release this reference when it is done with the
+ * connector.
+ *
+ * Returns: A reference to the found connector or an ERR_PTR().
+ */
+struct drm_connector *drm_connector_find_by_fwnode(struct fwnode_handle *fwnode)
+{
+	struct drm_connector *connector, *found = ERR_PTR(-ENODEV);
+
+	if (!fwnode)
+		return ERR_PTR(-ENODEV);
+
+	mutex_lock(&connector_list_lock);
+
+	list_for_each_entry(connector, &connector_list, global_connector_list_entry) {
+		if (connector->fwnode == fwnode ||
+		    (connector->fwnode && connector->fwnode->secondary == fwnode)) {
+			drm_connector_get(connector);
+			found = connector;
+			break;
+		}
+	}
+
+	mutex_unlock(&connector_list_lock);
+
+	return found;
+}
+
+/**
+ * drm_connector_oob_hotplug_event - Report out-of-band hotplug event to connector
+ * @connector: connector to report the event on
+ *
+ * On some hardware a hotplug event notification may come from outside the display
+ * driver / device. An example of this is some USB Type-C setups where the hardware
+ * muxes the DisplayPort data and aux-lines but does not pass the altmode HPD
+ * status bit to the GPU's DP HPD pin.
+ *
+ * This function can be used to report these out-of-band events after obtaining
+ * a drm_connector reference through calling drm_connector_find_by_fwnode().
+ */
+void drm_connector_oob_hotplug_event(struct fwnode_handle *connector_fwnode)
+{
+	struct drm_connector *connector;
+
+	connector = drm_connector_find_by_fwnode(connector_fwnode);
+	if (IS_ERR(connector))
+		return;
+
+	if (connector->funcs->oob_hotplug_event)
+		connector->funcs->oob_hotplug_event(connector);
+
+	drm_connector_put(connector);
+}
+EXPORT_SYMBOL(drm_connector_oob_hotplug_event);
+
 
 /**
  * DOC: Tile group
diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index da96b2f64d7e4366235131750c926f77973d23b1..c3577eaee4164510b111bcd633296f808830aacd 100644
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -57,6 +57,7 @@ struct drm_property;
 struct edid;
 struct kref;
 struct work_struct;
+struct fwnode_handle;
 
 /* drm_crtc.c */
 int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
@@ -182,6 +183,7 @@ int drm_connector_set_obj_prop(struct drm_mode_object *obj,
 int drm_connector_create_standard_properties(struct drm_device *dev);
 const char *drm_get_connector_force_name(enum drm_connector_force force);
 void drm_connector_free_work_fn(struct work_struct *work);
+struct drm_connector *drm_connector_find_by_fwnode(struct fwnode_handle *fwnode);
 
 /* IOCTL */
 int drm_connector_property_set_ioctl(struct drm_device *dev,
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index b5e15933cb5f47e20cedf1fd03a78c0a2d28563f..27305f3398819046e257be95ba7d796e1154a6b1 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -2612,14 +2612,14 @@ static struct drm_dp_mst_branch *get_mst_branch_device_by_guid_helper(
 	struct drm_dp_mst_branch *found_mstb;
 	struct drm_dp_mst_port *port;
 
+	if (!mstb)
+		return NULL;
+
 	if (memcmp(mstb->guid, guid, 16) == 0)
 		return mstb;
 
 
 	list_for_each_entry(port, &mstb->ports, next) {
-		if (!port->mstb)
-			continue;
-
 		found_mstb = get_mst_branch_device_by_guid_helper(port->mstb, guid);
 
 		if (found_mstb)
diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c
index 6106fa7c43028335c89f3bac62520d784bcf4ff8..43de9dfcba19a54dd8a86cd9b927fa32d525a037 100644
--- a/drivers/gpu/drm/drm_panel_orientation_quirks.c
+++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c
@@ -44,6 +44,14 @@ static const struct drm_dmi_panel_orientation_data gpd_micropc = {
 	.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
 };
 
+static const struct drm_dmi_panel_orientation_data gpd_onemix2s = {
+	.width = 1200,
+	.height = 1920,
+	.bios_dates = (const char * const []){ "05/21/2018", "10/26/2018",
+		"03/04/2019", NULL },
+	.orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
+};
+
 static const struct drm_dmi_panel_orientation_data gpd_pocket = {
 	.width = 1200,
 	.height = 1920,
@@ -329,6 +337,14 @@ static const struct dmi_system_id orientation_data[] = {
 		  DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"),
 		},
 		.driver_data = (void *)&lcd800x1280_rightside_up,
+	}, {	/* One Mix 2S (generic strings, also match on bios date) */
+		.matches = {
+		  DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
+		  DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
+		  DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
+		  DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
+		},
+		.driver_data = (void *)&gpd_onemix2s,
 	},
 	{}
 };
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index f0336c8046392d3f37a60bcffe3a7b87991380ea..71a0d9596efee6a50ce6b046c88b4e7b834268b6 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -10,6 +10,7 @@
  * Copyright (c) 2003-2004 IBM Corp.
  */
 
+#include <linux/acpi.h>
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/export.h>
@@ -50,8 +51,45 @@ static struct device_type drm_sysfs_device_minor = {
 	.name = "drm_minor"
 };
 
+static struct device_type drm_sysfs_device_connector = {
+	.name = "drm_connector",
+};
+
 struct class *drm_class;
 
+#ifdef CONFIG_ACPI
+static bool drm_connector_acpi_bus_match(struct device *dev)
+{
+	return dev->type == &drm_sysfs_device_connector;
+}
+
+static struct acpi_device *drm_connector_acpi_find_companion(struct device *dev)
+{
+	struct drm_connector *connector = to_drm_connector(dev);
+
+	return to_acpi_device_node(connector->fwnode);
+}
+
+static struct acpi_bus_type drm_connector_acpi_bus = {
+	.name = "drm_connector",
+	.match = drm_connector_acpi_bus_match,
+	.find_companion = drm_connector_acpi_find_companion,
+};
+
+static void drm_sysfs_acpi_register(void)
+{
+	register_acpi_bus_type(&drm_connector_acpi_bus);
+}
+
+static void drm_sysfs_acpi_unregister(void)
+{
+	unregister_acpi_bus_type(&drm_connector_acpi_bus);
+}
+#else
+static void drm_sysfs_acpi_register(void) { }
+static void drm_sysfs_acpi_unregister(void) { }
+#endif
+
 static char *drm_devnode(struct device *dev, umode_t *mode)
 {
 	return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev));
@@ -85,6 +123,8 @@ int drm_sysfs_init(void)
 	}
 
 	drm_class->devnode = drm_devnode;
+
+	drm_sysfs_acpi_register();
 	return 0;
 }
 
@@ -97,11 +137,17 @@ void drm_sysfs_destroy(void)
 {
 	if (IS_ERR_OR_NULL(drm_class))
 		return;
+	drm_sysfs_acpi_unregister();
 	class_remove_file(drm_class, &class_attr_version.attr);
 	class_destroy(drm_class);
 	drm_class = NULL;
 }
 
+static void drm_sysfs_release(struct device *dev)
+{
+	kfree(dev);
+}
+
 /*
  * Connector properties
  */
@@ -274,27 +320,47 @@ static const struct attribute_group *connector_dev_groups[] = {
 int drm_sysfs_connector_add(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
+	struct device *kdev;
+	int r;
 
 	if (connector->kdev)
 		return 0;
 
-	connector->kdev =
-		device_create_with_groups(drm_class, dev->primary->kdev, 0,
-					  connector, connector_dev_groups,
-					  "card%d-%s", dev->primary->index,
-					  connector->name);
+	kdev = kzalloc(sizeof(*kdev), GFP_KERNEL);
+	if (!kdev)
+		return -ENOMEM;
+
+	device_initialize(kdev);
+	kdev->class = drm_class;
+	kdev->type = &drm_sysfs_device_connector;
+	kdev->parent = dev->primary->kdev;
+	kdev->groups = connector_dev_groups;
+	kdev->release = drm_sysfs_release;
+	dev_set_drvdata(kdev, connector);
+
+	r = dev_set_name(kdev, "card%d-%s", dev->primary->index, connector->name);
+	if (r)
+		goto err_free;
+
 	DRM_DEBUG("adding \"%s\" to sysfs\n",
 		  connector->name);
 
-	if (IS_ERR(connector->kdev)) {
-		DRM_ERROR("failed to register connector device: %ld\n", PTR_ERR(connector->kdev));
-		return PTR_ERR(connector->kdev);
+	r = device_add(kdev);
+	if (r) {
+		drm_err(dev, "failed to register connector device: %d\n", r);
+		goto err_free;
 	}
 
+	connector->kdev = kdev;
+
 	if (connector->ddc)
 		return sysfs_create_link(&connector->kdev->kobj,
 				 &connector->ddc->dev.kobj, "ddc");
 	return 0;
+
+err_free:
+	put_device(kdev);
+	return r;
 }
 
 void drm_sysfs_connector_remove(struct drm_connector *connector)
@@ -375,11 +441,6 @@ void drm_sysfs_connector_status_event(struct drm_connector *connector,
 }
 EXPORT_SYMBOL(drm_sysfs_connector_status_event);
 
-static void drm_sysfs_release(struct device *dev)
-{
-	kfree(dev);
-}
-
 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor)
 {
 	const char *minor_str;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index 92dd65befbcb833244edfe0b88f3a1082e54ae68..01a88b03bc6d381aaac158026f3ad3b67ddaaafe 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -222,6 +222,7 @@ static vm_fault_t i915_error_to_vmf_fault(int err)
 	case 0:
 	case -EAGAIN:
 	case -ENOSPC: /* transient failure to evict? */
+	case -ENOBUFS: /* temporarily out of fences? */
 	case -ERESTARTSYS:
 	case -EINTR:
 	case -EBUSY:
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index 403506b9697e75a3c2ac9042299bac8e1e2d342e..b346d68a06f5a992b4aab6fc1d8e02a40f89dd52 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -130,6 +130,10 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type,
 		return -ENODEV;
 
 	boot_hid = usb_get_intfdata(boot_interface);
+	if (list_empty(&boot_hid->inputs)) {
+		hid_err(hid, "no inputs found\n");
+		return -ENODEV;
+	}
 	boot_hid_input = list_first_entry(&boot_hid->inputs,
 		struct hid_input, list);
 
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index dc7c33f6b2c4e70a814b0f9739acb1602cf6de81..84b12599eaf69b2660a5dc19e4016d40b1cb2fe6 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2058,6 +2058,10 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_MTP_STM)},
 
 	/* Synaptics devices */
+	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_SYNAPTICS, 0xcd7e) },
+
 	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_SYNAPTICS, 0xce08) },
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index dac46bc2fafc82bfce37abe72b85bbd11ff73a3c..a1bc8a2c3eadce6428c845203a4ef17520afe48f 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -740,6 +740,8 @@ static void __aspeed_i2c_reg_slave(struct aspeed_i2c_bus *bus, u16 slave_addr)
 	func_ctrl_reg_val = readl(bus->base + ASPEED_I2C_FUN_CTRL_REG);
 	func_ctrl_reg_val |= ASPEED_I2CD_SLAVE_EN;
 	writel(func_ctrl_reg_val, bus->base + ASPEED_I2C_FUN_CTRL_REG);
+
+	bus->slave_state = ASPEED_I2C_SLAVE_INACTIVE;
 }
 
 static int aspeed_i2c_reg_slave(struct i2c_client *client)
@@ -756,7 +758,6 @@ static int aspeed_i2c_reg_slave(struct i2c_client *client)
 	__aspeed_i2c_reg_slave(bus, client->addr);
 
 	bus->slave = client;
-	bus->slave_state = ASPEED_I2C_SLAVE_INACTIVE;
 	spin_unlock_irqrestore(&bus->lock, flags);
 
 	return 0;
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 0f4c0282028b089316699846d3e115901e61d0ff..7b9272f9cc21158dd8a7787c70bc45bdb0f33f09 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1042,9 +1042,10 @@ static int stm32f7_i2c_smbus_xfer_msg(struct stm32f7_i2c_dev *i2c_dev,
 	/* Configure PEC */
 	if ((flags & I2C_CLIENT_PEC) && f7_msg->size != I2C_SMBUS_QUICK) {
 		cr1 |= STM32F7_I2C_CR1_PECEN;
-		cr2 |= STM32F7_I2C_CR2_PECBYTE;
-		if (!f7_msg->read_write)
+		if (!f7_msg->read_write) {
+			cr2 |= STM32F7_I2C_CR2_PECBYTE;
 			f7_msg->count++;
+		}
 	} else {
 		cr1 &= ~STM32F7_I2C_CR1_PECEN;
 		cr2 &= ~STM32F7_I2C_CR2_PECBYTE;
@@ -1132,8 +1133,10 @@ static void stm32f7_i2c_smbus_rep_start(struct stm32f7_i2c_dev *i2c_dev)
 	f7_msg->stop = true;
 
 	/* Add one byte for PEC if needed */
-	if (cr1 & STM32F7_I2C_CR1_PECEN)
+	if (cr1 & STM32F7_I2C_CR1_PECEN) {
+		cr2 |= STM32F7_I2C_CR2_PECBYTE;
 		f7_msg->count++;
+	}
 
 	/* Set number of bytes to be transferred */
 	cr2 &= ~(STM32F7_I2C_CR2_NBYTES_MASK);
diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 774507b54b57b7e722ee77fa1e8952fb29b30b1c..c90cec8d9656d80af0eb0cc85bf4ae9e06da4963 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -340,7 +340,7 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc,
 		priv->adap.lock_ops = &i2c_parent_lock_ops;
 
 	/* Sanity check on class */
-	if (i2c_mux_parent_classes(parent) & class)
+	if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED)
 		dev_err(&parent->dev,
 			"Segment %d behind mux can't share classes with ancestors\n",
 			chan_id);
diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index 8e8688e8de0fbf3979f9f0baa348f21e71002d93..45a3f7e7b3f68e45c3d98e11896e616ca5c65fcb 100644
--- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
@@ -61,7 +61,7 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne
 	if (ret)
 		goto err;
 
-	adap = of_find_i2c_adapter_by_node(priv->chan[new_chan].parent_np);
+	adap = of_get_i2c_adapter_by_node(priv->chan[new_chan].parent_np);
 	if (!adap) {
 		ret = -ENODEV;
 		goto err_with_revert;
diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index 33024acaac02b8083751eec245374b79649d0bd4..0ebc12575081c4abfcec0d9d47432cbbf051f0cf 100644
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -52,7 +52,7 @@ static struct i2c_adapter *mux_parent_adapter(struct device *dev)
 		dev_err(dev, "Cannot parse i2c-parent\n");
 		return ERR_PTR(-ENODEV);
 	}
-	parent = of_find_i2c_adapter_by_node(parent_np);
+	parent = of_get_i2c_adapter_by_node(parent_np);
 	of_node_put(parent_np);
 	if (!parent)
 		return ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index f1bb00a11ad628d7196494e88a56337989c99c21..fc991cf002af4fd6dcd86022e2835858c8eb87eb 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -62,7 +62,7 @@ static struct i2c_adapter *i2c_mux_pinctrl_parent_adapter(struct device *dev)
 		dev_err(dev, "Cannot parse i2c-parent\n");
 		return ERR_PTR(-ENODEV);
 	}
-	parent = of_find_i2c_adapter_by_node(parent_np);
+	parent = of_get_i2c_adapter_by_node(parent_np);
 	of_node_put(parent_np);
 	if (!parent)
 		return ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index 99f4404e9fd15d8726ffcc45992d5015b69f316b..b6f09e5acb91d6c86b1ea2280e4cfa5062793d57 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -821,16 +821,26 @@ static int exynos_adc_probe(struct platform_device *pdev)
 		}
 	}
 
+	/* leave out any TS related code if unreachable */
+	if (IS_REACHABLE(CONFIG_INPUT)) {
+		has_ts = of_property_read_bool(pdev->dev.of_node,
+					       "has-touchscreen") || pdata;
+	}
+
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return irq;
 	info->irq = irq;
 
-	irq = platform_get_irq(pdev, 1);
-	if (irq == -EPROBE_DEFER)
-		return irq;
+	if (has_ts) {
+		irq = platform_get_irq(pdev, 1);
+		if (irq == -EPROBE_DEFER)
+			return irq;
 
-	info->tsirq = irq;
+		info->tsirq = irq;
+	} else {
+		info->tsirq = -1;
+	}
 
 	info->dev = &pdev->dev;
 
@@ -895,12 +905,6 @@ static int exynos_adc_probe(struct platform_device *pdev)
 	if (info->data->init_hw)
 		info->data->init_hw(info);
 
-	/* leave out any TS related code if unreachable */
-	if (IS_REACHABLE(CONFIG_INPUT)) {
-		has_ts = of_property_read_bool(pdev->dev.of_node,
-					       "has-touchscreen") || pdata;
-	}
-
 	if (pdata)
 		info->delay = pdata->delay;
 	else
diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index f93c34fe58731dc103d901ab391cb8d51a97e5b6..30b5a17ce41a7094c016361bd909e741bd82a25b 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/overflow.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/sysfs.h>
@@ -585,15 +586,22 @@ static int xadc_update_scan_mode(struct iio_dev *indio_dev,
 	const unsigned long *mask)
 {
 	struct xadc *xadc = iio_priv(indio_dev);
-	unsigned int n;
+	size_t new_size, n;
+	void *data;
 
 	n = bitmap_weight(mask, indio_dev->masklength);
 
-	kfree(xadc->data);
-	xadc->data = kcalloc(n, sizeof(*xadc->data), GFP_KERNEL);
-	if (!xadc->data)
+	if (check_mul_overflow(n, sizeof(*xadc->data), &new_size))
+		return -ENOMEM;
+
+	data = devm_krealloc(indio_dev->dev.parent, xadc->data,
+			     new_size, GFP_KERNEL);
+	if (!data)
 		return -ENOMEM;
 
+	memset(data, 0, new_size);
+	xadc->data = data;
+
 	return 0;
 }
 
@@ -705,11 +713,12 @@ static const struct iio_trigger_ops xadc_trigger_ops = {
 static struct iio_trigger *xadc_alloc_trigger(struct iio_dev *indio_dev,
 	const char *name)
 {
+	struct device *dev = indio_dev->dev.parent;
 	struct iio_trigger *trig;
 	int ret;
 
-	trig = iio_trigger_alloc("%s%d-%s", indio_dev->name,
-				indio_dev->id, name);
+	trig = devm_iio_trigger_alloc(dev, "%s%d-%s", indio_dev->name,
+				      indio_dev->id, name);
 	if (trig == NULL)
 		return ERR_PTR(-ENOMEM);
 
@@ -717,15 +726,11 @@ static struct iio_trigger *xadc_alloc_trigger(struct iio_dev *indio_dev,
 	trig->ops = &xadc_trigger_ops;
 	iio_trigger_set_drvdata(trig, iio_priv(indio_dev));
 
-	ret = iio_trigger_register(trig);
+	ret = devm_iio_trigger_register(dev, trig);
 	if (ret)
-		goto error_free_trig;
+		return ERR_PTR(ret);
 
 	return trig;
-
-error_free_trig:
-	iio_trigger_free(trig);
-	return ERR_PTR(ret);
 }
 
 static int xadc_power_adc_b(struct xadc *xadc, unsigned int seq_mode)
@@ -1184,8 +1189,23 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np,
 	return 0;
 }
 
+static void xadc_clk_disable_unprepare(void *data)
+{
+	struct clk *clk = data;
+
+	clk_disable_unprepare(clk);
+}
+
+static void xadc_cancel_delayed_work(void *data)
+{
+	struct delayed_work *work = data;
+
+	cancel_delayed_work_sync(work);
+}
+
 static int xadc_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	const struct of_device_id *id;
 	struct iio_dev *indio_dev;
 	unsigned int bipolar_mask;
@@ -1195,10 +1215,10 @@ static int xadc_probe(struct platform_device *pdev)
 	int irq;
 	int i;
 
-	if (!pdev->dev.of_node)
+	if (!dev->of_node)
 		return -ENODEV;
 
-	id = of_match_node(xadc_of_match_table, pdev->dev.of_node);
+	id = of_match_node(xadc_of_match_table, dev->of_node);
 	if (!id)
 		return -EINVAL;
 
@@ -1206,7 +1226,7 @@ static int xadc_probe(struct platform_device *pdev)
 	if (irq <= 0)
 		return -ENXIO;
 
-	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*xadc));
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*xadc));
 	if (!indio_dev)
 		return -ENOMEM;
 
@@ -1226,39 +1246,40 @@ static int xadc_probe(struct platform_device *pdev)
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->info = &xadc_info;
 
-	ret = xadc_parse_dt(indio_dev, pdev->dev.of_node, &conf0);
+	ret = xadc_parse_dt(indio_dev, dev->of_node, &conf0);
 	if (ret)
 		return ret;
 
 	if (xadc->ops->flags & XADC_FLAGS_BUFFERED) {
-		ret = iio_triggered_buffer_setup(indio_dev,
-			&iio_pollfunc_store_time, &xadc_trigger_handler,
-			&xadc_buffer_ops);
+		ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
+						      &iio_pollfunc_store_time,
+						      &xadc_trigger_handler,
+						      &xadc_buffer_ops);
 		if (ret)
 			return ret;
 
 		xadc->convst_trigger = xadc_alloc_trigger(indio_dev, "convst");
-		if (IS_ERR(xadc->convst_trigger)) {
-			ret = PTR_ERR(xadc->convst_trigger);
-			goto err_triggered_buffer_cleanup;
-		}
+		if (IS_ERR(xadc->convst_trigger))
+			return PTR_ERR(xadc->convst_trigger);
+
 		xadc->samplerate_trigger = xadc_alloc_trigger(indio_dev,
 			"samplerate");
-		if (IS_ERR(xadc->samplerate_trigger)) {
-			ret = PTR_ERR(xadc->samplerate_trigger);
-			goto err_free_convst_trigger;
-		}
+		if (IS_ERR(xadc->samplerate_trigger))
+			return PTR_ERR(xadc->samplerate_trigger);
 	}
 
-	xadc->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(xadc->clk)) {
-		ret = PTR_ERR(xadc->clk);
-		goto err_free_samplerate_trigger;
-	}
+	xadc->clk = devm_clk_get(dev, NULL);
+	if (IS_ERR(xadc->clk))
+		return PTR_ERR(xadc->clk);
 
 	ret = clk_prepare_enable(xadc->clk);
 	if (ret)
-		goto err_free_samplerate_trigger;
+		return ret;
+
+	ret = devm_add_action_or_reset(dev,
+				       xadc_clk_disable_unprepare, xadc->clk);
+	if (ret)
+		return ret;
 
 	/*
 	 * Make sure not to exceed the maximum samplerate since otherwise the
@@ -1267,22 +1288,28 @@ static int xadc_probe(struct platform_device *pdev)
 	if (xadc->ops->flags & XADC_FLAGS_BUFFERED) {
 		ret = xadc_read_samplerate(xadc);
 		if (ret < 0)
-			goto err_free_samplerate_trigger;
+			return ret;
+
 		if (ret > XADC_MAX_SAMPLERATE) {
 			ret = xadc_write_samplerate(xadc, XADC_MAX_SAMPLERATE);
 			if (ret < 0)
-				goto err_free_samplerate_trigger;
+				return ret;
 		}
 	}
 
-	ret = request_irq(xadc->irq, xadc->ops->interrupt_handler, 0,
-			dev_name(&pdev->dev), indio_dev);
+	ret = devm_request_irq(dev, xadc->irq, xadc->ops->interrupt_handler, 0,
+			       dev_name(dev), indio_dev);
 	if (ret)
-		goto err_clk_disable_unprepare;
+		return ret;
+
+	ret = devm_add_action_or_reset(dev, xadc_cancel_delayed_work,
+				       &xadc->zynq_unmask_work);
+	if (ret)
+		return ret;
 
 	ret = xadc->ops->setup(pdev, indio_dev, xadc->irq);
 	if (ret)
-		goto err_free_irq;
+		return ret;
 
 	for (i = 0; i < 16; i++)
 		xadc_read_adc_reg(xadc, XADC_REG_THRESHOLD(i),
@@ -1290,7 +1317,7 @@ static int xadc_probe(struct platform_device *pdev)
 
 	ret = xadc_write_adc_reg(xadc, XADC_REG_CONF0, conf0);
 	if (ret)
-		goto err_free_irq;
+		return ret;
 
 	bipolar_mask = 0;
 	for (i = 0; i < indio_dev->num_channels; i++) {
@@ -1300,85 +1327,21 @@ static int xadc_probe(struct platform_device *pdev)
 
 	ret = xadc_write_adc_reg(xadc, XADC_REG_INPUT_MODE(0), bipolar_mask);
 	if (ret)
-		goto err_free_irq;
+		return ret;
+
 	ret = xadc_write_adc_reg(xadc, XADC_REG_INPUT_MODE(1),
 		bipolar_mask >> 16);
 	if (ret)
-		goto err_free_irq;
-
-	/* Disable all alarms */
-	ret = xadc_update_adc_reg(xadc, XADC_REG_CONF1, XADC_CONF1_ALARM_MASK,
-				  XADC_CONF1_ALARM_MASK);
-	if (ret)
-		goto err_free_irq;
-
-	/* Set thresholds to min/max */
-	for (i = 0; i < 16; i++) {
-		/*
-		 * Set max voltage threshold and both temperature thresholds to
-		 * 0xffff, min voltage threshold to 0.
-		 */
-		if (i % 8 < 4 || i == 7)
-			xadc->threshold[i] = 0xffff;
-		else
-			xadc->threshold[i] = 0;
-		ret = xadc_write_adc_reg(xadc, XADC_REG_THRESHOLD(i),
-			xadc->threshold[i]);
-		if (ret)
-			goto err_free_irq;
-	}
+		return ret;
 
 	/* Go to non-buffered mode */
 	xadc_postdisable(indio_dev);
 
-	ret = iio_device_register(indio_dev);
-	if (ret)
-		goto err_free_irq;
-
-	platform_set_drvdata(pdev, indio_dev);
-
-	return 0;
-
-err_free_irq:
-	free_irq(xadc->irq, indio_dev);
-	cancel_delayed_work_sync(&xadc->zynq_unmask_work);
-err_clk_disable_unprepare:
-	clk_disable_unprepare(xadc->clk);
-err_free_samplerate_trigger:
-	if (xadc->ops->flags & XADC_FLAGS_BUFFERED)
-		iio_trigger_free(xadc->samplerate_trigger);
-err_free_convst_trigger:
-	if (xadc->ops->flags & XADC_FLAGS_BUFFERED)
-		iio_trigger_free(xadc->convst_trigger);
-err_triggered_buffer_cleanup:
-	if (xadc->ops->flags & XADC_FLAGS_BUFFERED)
-		iio_triggered_buffer_cleanup(indio_dev);
-
-	return ret;
-}
-
-static int xadc_remove(struct platform_device *pdev)
-{
-	struct iio_dev *indio_dev = platform_get_drvdata(pdev);
-	struct xadc *xadc = iio_priv(indio_dev);
-
-	iio_device_unregister(indio_dev);
-	if (xadc->ops->flags & XADC_FLAGS_BUFFERED) {
-		iio_trigger_free(xadc->samplerate_trigger);
-		iio_trigger_free(xadc->convst_trigger);
-		iio_triggered_buffer_cleanup(indio_dev);
-	}
-	free_irq(xadc->irq, indio_dev);
-	cancel_delayed_work_sync(&xadc->zynq_unmask_work);
-	clk_disable_unprepare(xadc->clk);
-	kfree(xadc->data);
-
-	return 0;
+	return devm_iio_device_register(dev, indio_dev);
 }
 
 static struct platform_driver xadc_driver = {
 	.probe = xadc_probe,
-	.remove = xadc_remove,
 	.driver = {
 		.name = "xadc",
 		.of_match_table = xadc_of_match_table,
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 12bc24ee2d131c2c868ce95136bb4e4f826ec7f0..68df080263f2f84a82aadf526f673abd0757b8c5 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1955,7 +1955,8 @@ static void srp_process_rsp(struct srp_rdma_ch *ch, struct srp_rsp *rsp)
 		if (scmnd) {
 			req = scsi_cmd_priv(scmnd);
 			scmnd = srp_claim_req(ch, req, NULL, scmnd);
-		} else {
+		}
+		if (!scmnd) {
 			shost_printk(KERN_ERR, target->scsi_host,
 				     "Null scmnd for RSP w/tag %#016llx received on ch %td / QP %#x\n",
 				     rsp->tag, ch - target->ch, ch->qp->qp_num);
@@ -2777,15 +2778,13 @@ static int srp_send_tsk_mgmt(struct srp_rdma_ch *ch, u64 req_tag, u64 lun,
 static int srp_abort(struct scsi_cmnd *scmnd)
 {
 	struct srp_target_port *target = host_to_target(scmnd->device->host);
-	struct srp_request *req = (struct srp_request *) scmnd->host_scribble;
+	struct srp_request *req = scsi_cmd_priv(scmnd);
 	u32 tag;
 	u16 ch_idx;
 	struct srp_rdma_ch *ch;
 
 	shost_printk(KERN_ERR, target->scsi_host, "SRP abort called\n");
 
-	if (!req)
-		return SUCCESS;
 	tag = blk_mq_unique_tag(scmnd->request);
 	ch_idx = blk_mq_unique_tag_to_hwq(tag);
 	if (WARN_ON_ONCE(ch_idx >= target->ch_count))
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index afa5d2623c410c195a28c941086176967917c176..e2c130832c159195d4e77e6e19cc32f175cf98e4 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1749,6 +1749,7 @@ static int synaptics_create_intertouch(struct psmouse *psmouse,
 		psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) &&
 		!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10);
 	const struct rmi_device_platform_data pdata = {
+		.reset_delay_ms = 30,
 		.sensor_pdata = {
 			.sensor_type = rmi_sensor_touchpad,
 			.axis_align.flip_y = true,
diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c
index 2407ea43de59b7b5f386d0361c3cc49495df62d3..f38bf9a5f599d964281114ee0b65762b626eb1be 100644
--- a/drivers/input/rmi4/rmi_smbus.c
+++ b/drivers/input/rmi4/rmi_smbus.c
@@ -235,12 +235,29 @@ static void rmi_smb_clear_state(struct rmi_smb_xport *rmi_smb)
 
 static int rmi_smb_enable_smbus_mode(struct rmi_smb_xport *rmi_smb)
 {
-	int retval;
+	struct i2c_client *client = rmi_smb->client;
+	int smbus_version;
+
+	/*
+	 * psmouse driver resets the controller, we only need to wait
+	 * to give the firmware chance to fully reinitialize.
+	 */
+	if (rmi_smb->xport.pdata.reset_delay_ms)
+		msleep(rmi_smb->xport.pdata.reset_delay_ms);
 
 	/* we need to get the smbus version to activate the touchpad */
-	retval = rmi_smb_get_version(rmi_smb);
-	if (retval < 0)
-		return retval;
+	smbus_version = rmi_smb_get_version(rmi_smb);
+	if (smbus_version < 0)
+		return smbus_version;
+
+	rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Smbus version is %d",
+		smbus_version);
+
+	if (smbus_version != 2 && smbus_version != 3) {
+		dev_err(&client->dev, "Unrecognized SMB version %d\n",
+				smbus_version);
+		return -ENODEV;
+	}
 
 	return 0;
 }
@@ -253,11 +270,10 @@ static int rmi_smb_reset(struct rmi_transport_dev *xport, u16 reset_addr)
 	rmi_smb_clear_state(rmi_smb);
 
 	/*
-	 * we do not call the actual reset command, it has to be handled in
-	 * PS/2 or there will be races between PS/2 and SMBus.
-	 * PS/2 should ensure that a psmouse_reset is called before
-	 * intializing the device and after it has been removed to be in a known
-	 * state.
+	 * We do not call the actual reset command, it has to be handled in
+	 * PS/2 or there will be races between PS/2 and SMBus. PS/2 should
+	 * ensure that a psmouse_reset is called before initializing the
+	 * device and after it has been removed to be in a known state.
 	 */
 	return rmi_smb_enable_smbus_mode(rmi_smb);
 }
@@ -273,7 +289,6 @@ static int rmi_smb_probe(struct i2c_client *client,
 {
 	struct rmi_device_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct rmi_smb_xport *rmi_smb;
-	int smbus_version;
 	int error;
 
 	if (!pdata) {
@@ -312,18 +327,9 @@ static int rmi_smb_probe(struct i2c_client *client,
 	rmi_smb->xport.proto_name = "smb";
 	rmi_smb->xport.ops = &rmi_smb_ops;
 
-	smbus_version = rmi_smb_get_version(rmi_smb);
-	if (smbus_version < 0)
-		return smbus_version;
-
-	rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Smbus version is %d",
-		smbus_version);
-
-	if (smbus_version != 2 && smbus_version != 3) {
-		dev_err(&client->dev, "Unrecognized SMB version %d\n",
-				smbus_version);
-		return -ENODEV;
-	}
+	error = rmi_smb_enable_smbus_mode(rmi_smb);
+	if (error)
+		return error;
 
 	i2c_set_clientdata(client, rmi_smb);
 
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 8662d7b7b2625af83c70235569e8f5da6e603d5e..cec9080cccad097fa7e14e829e83bc0819e73e07 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -403,6 +403,7 @@ static const struct irq_domain_ops irq_exti_domain_ops = {
 	.map	= irq_map_generic_chip,
 	.alloc  = stm32_exti_alloc,
 	.free	= stm32_exti_free,
+	.xlate	= irq_domain_xlate_twocell,
 };
 
 static void stm32_irq_ack(struct irq_data *d)
diff --git a/drivers/mcb/mcb-lpc.c b/drivers/mcb/mcb-lpc.c
index 506676754538b9e9ffbf03bab928769c58729ee6..d513d61f4ba844f1a1cdbdbf178732c8290a0171 100644
--- a/drivers/mcb/mcb-lpc.c
+++ b/drivers/mcb/mcb-lpc.c
@@ -23,7 +23,7 @@ static int mcb_lpc_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct priv *priv;
-	int ret = 0;
+	int ret = 0, table_size;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -58,16 +58,43 @@ static int mcb_lpc_probe(struct platform_device *pdev)
 
 	ret = chameleon_parse_cells(priv->bus, priv->mem->start, priv->base);
 	if (ret < 0) {
-		mcb_release_bus(priv->bus);
-		return ret;
+		goto out_mcb_bus;
 	}
 
-	dev_dbg(&pdev->dev, "Found %d cells\n", ret);
+	table_size = ret;
+
+	if (table_size < CHAM_HEADER_SIZE) {
+		/* Release the previous resources */
+		devm_iounmap(&pdev->dev, priv->base);
+		devm_release_mem_region(&pdev->dev, priv->mem->start, resource_size(priv->mem));
+
+		/* Then, allocate it again with the actual chameleon table size */
+		res = devm_request_mem_region(&pdev->dev, priv->mem->start,
+					      table_size,
+					      KBUILD_MODNAME);
+		if (!res) {
+			dev_err(&pdev->dev, "Failed to request PCI memory\n");
+			ret = -EBUSY;
+			goto out_mcb_bus;
+		}
+
+		priv->base = devm_ioremap(&pdev->dev, priv->mem->start, table_size);
+		if (!priv->base) {
+			dev_err(&pdev->dev, "Cannot ioremap\n");
+			ret = -ENOMEM;
+			goto out_mcb_bus;
+		}
+
+		platform_set_drvdata(pdev, priv);
+	}
 
 	mcb_bus_add_devices(priv->bus);
 
 	return 0;
 
+out_mcb_bus:
+	mcb_release_bus(priv->bus);
+	return ret;
 }
 
 static int mcb_lpc_remove(struct platform_device *pdev)
diff --git a/drivers/mcb/mcb-parse.c b/drivers/mcb/mcb-parse.c
index c41cbacc75a2c021eab1674aee75d07fe506ae22..656b6b71c76823cab55bc7a10cce0a6024adac25 100644
--- a/drivers/mcb/mcb-parse.c
+++ b/drivers/mcb/mcb-parse.c
@@ -128,7 +128,7 @@ static void chameleon_parse_bar(void __iomem *base,
 	}
 }
 
-static int chameleon_get_bar(char __iomem **base, phys_addr_t mapbase,
+static int chameleon_get_bar(void __iomem **base, phys_addr_t mapbase,
 			     struct chameleon_bar **cb)
 {
 	struct chameleon_bar *c;
@@ -177,12 +177,13 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase,
 {
 	struct chameleon_fpga_header *header;
 	struct chameleon_bar *cb;
-	char __iomem *p = base;
+	void __iomem *p = base;
 	int num_cells = 0;
 	uint32_t dtype;
 	int bar_count;
 	int ret;
 	u32 hsize;
+	u32 table_size;
 
 	hsize = sizeof(struct chameleon_fpga_header);
 
@@ -237,12 +238,16 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase,
 		num_cells++;
 	}
 
-	if (num_cells == 0)
-		num_cells = -EINVAL;
+	if (num_cells == 0) {
+		ret = -EINVAL;
+		goto free_bar;
+	}
 
+	table_size = p - base;
+	pr_debug("%d cell(s) found. Chameleon table size: 0x%04x bytes\n", num_cells, table_size);
 	kfree(cb);
 	kfree(header);
-	return num_cells;
+	return table_size;
 
 free_bar:
 	kfree(cb);
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index eed047e971e703a38d4106a07591e2fc4ab35834..9822efdc6cc2380ef561bf8f8068d2cbd3e2393e 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -990,11 +990,6 @@ static int fastrpc_internal_invoke(struct fastrpc_user *fl,  u32 kernel,
 		err = wait_for_completion_interruptible(&ctx->work);
 	}
 
-	if (err)
-		goto bail;
-
-	/* Check the response from remote dsp */
-	err = ctx->retval;
 	if (err)
 		goto bail;
 
@@ -1007,6 +1002,11 @@ static int fastrpc_internal_invoke(struct fastrpc_user *fl,  u32 kernel,
 			goto bail;
 	}
 
+	/* Check the response from remote dsp */
+	err = ctx->retval;
+	if (err)
+		goto bail;
+
 bail:
 	if (err != -ERESTARTSYS && err != -ETIMEDOUT) {
 		/* We are done with this compute context */
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 87807ef010a96d5436309e340dbc47570eba6d28..91c929bd69c0715bf3535b4f6210c41461c86fec 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -95,7 +95,7 @@ static int mmc_decode_cid(struct mmc_card *card)
 	case 3: /* MMC v3.1 - v3.3 */
 	case 4: /* MMC v4 */
 		card->cid.manfid	= UNSTUFF_BITS(resp, 120, 8);
-		card->cid.oemid		= UNSTUFF_BITS(resp, 104, 16);
+		card->cid.oemid		= UNSTUFF_BITS(resp, 104, 8);
 		card->cid.prod_name[0]	= UNSTUFF_BITS(resp, 96, 8);
 		card->cid.prod_name[1]	= UNSTUFF_BITS(resp, 88, 8);
 		card->cid.prod_name[2]	= UNSTUFF_BITS(resp, 80, 8);
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 99a4ce68d82f1e2c753745a86027526c475dd317..85c2947ed45e3743d68a8ae0a833875558cdfd6e 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -1075,8 +1075,14 @@ static int mmc_sdio_resume(struct mmc_host *host)
 		}
 		err = mmc_sdio_reinit_card(host);
 	} else if (mmc_card_wake_sdio_irq(host)) {
-		/* We may have switched to 1-bit mode during suspend */
+		/*
+		 * We may have switched to 1-bit mode during suspend,
+		 * need to hold retuning, because tuning only supprt
+		 * 4-bit mode or 8 bit mode.
+		 */
+		mmc_retune_hold_now(host);
 		err = sdio_enable_4bit_bus(host->card);
+		mmc_retune_release(host);
 	}
 
 	if (err)
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index be4c2a848b52051eaa895d75f92af3f53f2cbfcf..24e524a1b9274168bcdf2299dbb78dc13704a8fd 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -571,7 +571,7 @@ static void renesas_sdhi_reset(struct tmio_mmc_host *host)
 
 	if (host->pdata->flags & TMIO_MMC_MIN_RCAR2)
 		sd_ctrl_write32_as_16_and_16(host, CTL_IRQ_MASK,
-					     TMIO_MASK_INIT_RCAR2);
+					     TMIO_MASK_ALL_RCAR2);
 }
 
 #define SH_MOBILE_SDHI_MIN_TAP_ROW 3
@@ -1012,6 +1012,7 @@ int renesas_sdhi_probe(struct platform_device *pdev,
 		host->ops.start_signal_voltage_switch =
 			renesas_sdhi_start_signal_voltage_switch;
 		host->sdcard_irq_setbit_mask = TMIO_STAT_ALWAYS_SET_27;
+		host->sdcard_irq_mask_all = TMIO_MASK_ALL_RCAR2;
 		host->reset = renesas_sdhi_reset;
 	} else {
 		host->sdcard_irq_mask_all = TMIO_MASK_ALL;
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index d6ed5e1f8386e4591068c89de1ae0e3774f8e020..330a17267f7eddbacf27b08c15071e9c09f8a362 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -97,8 +97,8 @@
 
 /* Define some IRQ masks */
 /* This is the mask used at reset by the chip */
-#define TMIO_MASK_INIT_RCAR2	0x8b7f031d /* Initial value for R-Car Gen2+ */
 #define TMIO_MASK_ALL           0x837f031d
+#define TMIO_MASK_ALL_RCAR2	0x8b7f031d
 #define TMIO_MASK_READOP  (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND)
 #define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND)
 #define TMIO_MASK_CMD     (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT | \
diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c
index 4f63b8430c710c017a2e151a64e97e9275d358da..9ab795f03c546ed74a6c65961f33e56a4bce8817 100644
--- a/drivers/mtd/maps/physmap-core.c
+++ b/drivers/mtd/maps/physmap-core.c
@@ -556,6 +556,17 @@ static int physmap_flash_probe(struct platform_device *dev)
 		if (info->probe_type) {
 			info->mtds[i] = do_map_probe(info->probe_type,
 						     &info->maps[i]);
+
+			/* Fall back to mapping region as ROM */
+			if (!info->mtds[i] && IS_ENABLED(CONFIG_MTD_ROM) &&
+			    strcmp(info->probe_type, "map_rom")) {
+				dev_warn(&dev->dev,
+					 "map_probe() failed for type %s\n",
+					 info->probe_type);
+
+				info->mtds[i] = do_map_probe("map_rom",
+							     &info->maps[i]);
+			}
 		} else {
 			int j;
 
diff --git a/drivers/mtd/nand/raw/arasan-nand-controller.c b/drivers/mtd/nand/raw/arasan-nand-controller.c
index 6a0d48c42cfa9e7ece52d80ee8a536673d7ed334..ef062b5ea9cdd5b9d5dac62cd95e65cd7e30b3aa 100644
--- a/drivers/mtd/nand/raw/arasan-nand-controller.c
+++ b/drivers/mtd/nand/raw/arasan-nand-controller.c
@@ -451,6 +451,7 @@ static int anfc_write_page_hw_ecc(struct nand_chip *chip, const u8 *buf,
 	struct mtd_info *mtd = nand_to_mtd(chip);
 	unsigned int len = mtd->writesize + (oob_required ? mtd->oobsize : 0);
 	dma_addr_t dma_addr;
+	u8 status;
 	int ret;
 	struct anfc_op nfc_op = {
 		.pkt_reg =
@@ -497,10 +498,21 @@ static int anfc_write_page_hw_ecc(struct nand_chip *chip, const u8 *buf,
 	}
 
 	/* Spare data is not protected */
-	if (oob_required)
+	if (oob_required) {
 		ret = nand_write_oob_std(chip, page);
+		if (ret)
+			return ret;
+	}
 
-	return ret;
+	/* Check write status on the chip side */
+	ret = nand_status_op(chip, &status);
+	if (ret)
+		return ret;
+
+	if (status & NAND_STATUS_FAIL)
+		return -EIO;
+
+	return 0;
 }
 
 static int anfc_sel_write_page_hw_ecc(struct nand_chip *chip, const u8 *buf,
diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c
index 2ef1a5adfcfc1f477fd54a6efdda9b49d0e9f946..9ed3ff7f4cf9456bb2b14dabce8b2abb96316038 100644
--- a/drivers/mtd/nand/raw/marvell_nand.c
+++ b/drivers/mtd/nand/raw/marvell_nand.c
@@ -1148,6 +1148,7 @@ static int marvell_nfc_hw_ecc_hmg_do_write_page(struct nand_chip *chip,
 		.ndcb[2] = NDCB2_ADDR5_PAGE(page),
 	};
 	unsigned int oob_bytes = lt->spare_bytes + (raw ? lt->ecc_bytes : 0);
+	u8 status;
 	int ret;
 
 	/* NFCv2 needs more information about the operation being executed */
@@ -1181,7 +1182,18 @@ static int marvell_nfc_hw_ecc_hmg_do_write_page(struct nand_chip *chip,
 
 	ret = marvell_nfc_wait_op(chip,
 				  PSEC_TO_MSEC(sdr->tPROG_max));
-	return ret;
+	if (ret)
+		return ret;
+
+	/* Check write status on the chip side */
+	ret = nand_status_op(chip, &status);
+	if (ret)
+		return ret;
+
+	if (status & NAND_STATUS_FAIL)
+		return -EIO;
+
+	return 0;
 }
 
 static int marvell_nfc_hw_ecc_hmg_write_page_raw(struct nand_chip *chip,
@@ -1610,6 +1622,7 @@ static int marvell_nfc_hw_ecc_bch_write_page(struct nand_chip *chip,
 	int data_len = lt->data_bytes;
 	int spare_len = lt->spare_bytes;
 	int chunk, ret;
+	u8 status;
 
 	marvell_nfc_select_target(chip, chip->cur_cs);
 
@@ -1646,6 +1659,14 @@ static int marvell_nfc_hw_ecc_bch_write_page(struct nand_chip *chip,
 	if (ret)
 		return ret;
 
+	/* Check write status on the chip side */
+	ret = nand_status_op(chip, &status);
+	if (ret)
+		return ret;
+
+	if (status & NAND_STATUS_FAIL)
+		return -EIO;
+
 	return 0;
 }
 
diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index bb181e18c7c52b80ca2fe7fff6c03f0f70324a3e..be7190f0499bcc9ed770fab3ae6c4ec738db1d89 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -2996,7 +2996,7 @@ static int qcom_nandc_probe(struct platform_device *pdev)
 err_aon_clk:
 	clk_disable_unprepare(nandc->core_clk);
 err_core_clk:
-	dma_unmap_resource(dev, res->start, resource_size(res),
+	dma_unmap_resource(dev, nandc->base_dma, resource_size(res),
 			   DMA_BIDIRECTIONAL, 0);
 	return ret;
 }
diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c
index 5d370cfcdaaaa9e24da5c8f7dadbb071b6f7c68a..89e2b46bdc4622a85f00a3f801f4e980e3faec43 100644
--- a/drivers/mtd/nand/spi/micron.c
+++ b/drivers/mtd/nand/spi/micron.c
@@ -12,7 +12,7 @@
 
 #define SPINAND_MFR_MICRON		0x2c
 
-#define MICRON_STATUS_ECC_MASK		GENMASK(7, 4)
+#define MICRON_STATUS_ECC_MASK		GENMASK(6, 4)
 #define MICRON_STATUS_ECC_NO_BITFLIPS	(0 << 4)
 #define MICRON_STATUS_ECC_1TO3_BITFLIPS	(1 << 4)
 #define MICRON_STATUS_ECC_4TO6_BITFLIPS	(3 << 4)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 5caf9bfd0d146c9d952a088ae4c4b916689a335a..a5849663f65c30456a092a0d66535c304a072ef0 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -497,17 +497,16 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
 	dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio");
 	priv->master_mii_bus = of_mdio_find_bus(dn);
 	if (!priv->master_mii_bus) {
-		of_node_put(dn);
-		return -EPROBE_DEFER;
+		err = -EPROBE_DEFER;
+		goto err_of_node_put;
 	}
 
-	get_device(&priv->master_mii_bus->dev);
 	priv->master_mii_dn = dn;
 
-	priv->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
+	priv->slave_mii_bus = mdiobus_alloc();
 	if (!priv->slave_mii_bus) {
-		of_node_put(dn);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto err_put_master_mii_bus_dev;
 	}
 
 	priv->slave_mii_bus->priv = priv;
@@ -565,14 +564,24 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
 
 	err = mdiobus_register(priv->slave_mii_bus);
 	if (err && dn)
-		of_node_put(dn);
+		goto err_free_slave_mii_bus;
+
+	return 0;
 
+err_free_slave_mii_bus:
+	mdiobus_free(priv->slave_mii_bus);
+err_put_master_mii_bus_dev:
+	put_device(&priv->master_mii_bus->dev);
+err_of_node_put:
+	of_node_put(dn);
 	return err;
 }
 
 static void bcm_sf2_mdio_unregister(struct bcm_sf2_priv *priv)
 {
 	mdiobus_unregister(priv->slave_mii_bus);
+	mdiobus_free(priv->slave_mii_bus);
+	put_device(&priv->master_mii_bus->dev);
 	of_node_put(priv->master_mii_dn);
 }
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 964ea3491b80bb0dcda287ccc8e2826a097db6e9..7e8a8ea6d8f7d0d326c482b84ff0e09f93721b6a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -3846,6 +3846,8 @@ int t4_load_phy_fw(struct adapter *adap, int win,
 		 FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_DOWNLOAD));
 	ret = t4_set_params_timeout(adap, adap->mbox, adap->pf, 0, 1,
 				    &param, &val, 30000);
+	if (ret)
+		return ret;
 
 	/* If we have version number support, then check to see that the new
 	 * firmware got loaded properly.
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index ba109073d6052e4dcddbae2997ab6b3afa4f1b16..59a467f7aba3f5fa8e88d1e2c42213a9d2065108 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1339,7 +1339,7 @@ void i40e_clear_hw(struct i40e_hw *hw)
 		     I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
 	j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
 	    I40E_PFLAN_QALLOC_LASTQ_SHIFT;
-	if (val & I40E_PFLAN_QALLOC_VALID_MASK)
+	if (val & I40E_PFLAN_QALLOC_VALID_MASK && j >= base_queue)
 		num_queues = (j - base_queue) + 1;
 	else
 		num_queues = 0;
@@ -1349,7 +1349,7 @@ void i40e_clear_hw(struct i40e_hw *hw)
 	    I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
 	j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
 	    I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
-	if (val & I40E_PF_VT_PFALLOC_VALID_MASK)
+	if (val & I40E_PF_VT_PFALLOC_VALID_MASK && j >= i)
 		num_vfs = (j - i) + 1;
 	else
 		num_vfs = 0;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 43be33d87e3914ec92287efbe92130102f3d3035..88d8f17cefd8eb59cebaa982f2fa4bd444a2854d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2663,7 +2663,7 @@ int i40e_napi_poll(struct napi_struct *napi, int budget)
 		return budget;
 	}
 
-	if (vsi->back->flags & I40E_TXR_FLAGS_WB_ON_ITR)
+	if (q_vector->tx.ring[0].flags & I40E_TXR_FLAGS_WB_ON_ITR)
 		q_vector->arm_wb_state = false;
 
 	/* Exit the polling mode, but don't re-enable interrupts if stack might
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index ea8d868c8f30a16778b91dacd83ff8f3a81f6a56..e99c8c10bc61b1203d3420abc0dd297f380fed0e 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -931,8 +931,7 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
 
 	ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
 				ICE_AQ_VSI_Q_OPT_RSS_LUT_M) |
-				((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) &
-				 ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
+				(hash_type & ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 3ae4e6355be8bda8cf43e06a11f8d41e1195dda2..66dfca87de40978c5c214d25e88792a8fd65e4df 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -6,6 +6,7 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <generated/utsrelease.h>
+#include <linux/crash_dump.h>
 #include "ice.h"
 #include "ice_base.h"
 #include "ice_lib.h"
@@ -4025,6 +4026,20 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
 		return -EINVAL;
 	}
 
+	/* when under a kdump kernel initiate a reset before enabling the
+	 * device in order to clear out any pending DMA transactions. These
+	 * transactions can cause some systems to machine check when doing
+	 * the pcim_enable_device() below.
+	 */
+	if (is_kdump_kernel()) {
+		pci_save_state(pdev);
+		pci_clear_master(pdev);
+		err = pcie_flr(pdev);
+		if (err)
+			return err;
+		pci_restore_state(pdev);
+	}
+
 	/* this driver uses devres, see
 	 * Documentation/driver-api/driver-model/devres.rst
 	 */
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index d9de3b8115431b6b69873f33bd86b8ce5668da2f..2d1d9090f2cbfc6d83a4f90863941c2de2852520 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2987,11 +2987,15 @@ static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter,
 	if (err)
 		goto err_out_w_lock;
 
-	igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx);
+	err = igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx);
+	if (err)
+		goto err_out_input_filter;
 
 	spin_unlock(&adapter->nfc_lock);
 	return 0;
 
+err_out_input_filter:
+	igb_erase_filter(adapter, input);
 err_out_w_lock:
 	spin_unlock(&adapter->nfc_lock);
 err_out:
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index d28ac3a025ab10a90b2b55bc2e5399c47d3355f1..9b01912c6e171c852d94b22d56b649eeb772de59 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1775,7 +1775,7 @@ igc_ethtool_set_link_ksettings(struct net_device *netdev,
 	struct igc_adapter *adapter = netdev_priv(netdev);
 	struct net_device *dev = adapter->netdev;
 	struct igc_hw *hw = &adapter->hw;
-	u32 advertising;
+	u16 advertised = 0;
 
 	/* When adapter in resetting mode, autoneg/speed/duplex
 	 * cannot be changed
@@ -1800,18 +1800,33 @@ igc_ethtool_set_link_ksettings(struct net_device *netdev,
 	while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
 		usleep_range(1000, 2000);
 
-	ethtool_convert_link_mode_to_legacy_u32(&advertising,
-						cmd->link_modes.advertising);
-	/* Converting to legacy u32 drops ETHTOOL_LINK_MODE_2500baseT_Full_BIT.
-	 * We have to check this and convert it to ADVERTISE_2500_FULL
-	 * (aka ETHTOOL_LINK_MODE_2500baseX_Full_BIT) explicitly.
-	 */
-	if (ethtool_link_ksettings_test_link_mode(cmd, advertising, 2500baseT_Full))
-		advertising |= ADVERTISE_2500_FULL;
+	if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
+						  2500baseT_Full))
+		advertised |= ADVERTISE_2500_FULL;
+
+	if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
+						  1000baseT_Full))
+		advertised |= ADVERTISE_1000_FULL;
+
+	if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
+						  100baseT_Full))
+		advertised |= ADVERTISE_100_FULL;
+
+	if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
+						  100baseT_Half))
+		advertised |= ADVERTISE_100_HALF;
+
+	if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
+						  10baseT_Full))
+		advertised |= ADVERTISE_10_FULL;
+
+	if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
+						  10baseT_Half))
+		advertised |= ADVERTISE_10_HALF;
 
 	if (cmd->base.autoneg == AUTONEG_ENABLE) {
 		hw->mac.autoneg = 1;
-		hw->phy.autoneg_advertised = advertising;
+		hw->phy.autoneg_advertised = advertised;
 		if (adapter->fc_autoneg)
 			hw->fc.requested_mode = igc_fc_default;
 	} else {
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index b2dddd8a246c8971fa429ceb6c22ffea3a183e0d..2bd0a7971ae62abc1906cb47510c081ca2191ecf 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -2195,7 +2195,7 @@ struct rx_ring_info {
 	struct sk_buff	*skb;
 	dma_addr_t	data_addr;
 	DEFINE_DMA_UNMAP_LEN(data_size);
-	dma_addr_t	frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT];
+	dma_addr_t	frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT ?: 1];
 };
 
 enum flow_control {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
index 5273644fb2bf971418234bf0a8820fbf64364027..86088ccab23aa700cef2be4ebca5887ae127fc0f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
@@ -821,7 +821,7 @@ static void mlx5_fw_tracer_ownership_change(struct work_struct *work)
 
 	mlx5_core_dbg(tracer->dev, "FWTracer: ownership changed, current=(%d)\n", tracer->owner);
 	if (tracer->owner) {
-		tracer->owner = false;
+		mlx5_fw_tracer_ownership_acquire(tracer);
 		return;
 	}
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index f2c8273dce67d39e8604a3a563970d5b463df41e..3f59834a0d3a9a4b7da4beca8bc5d54da0ccf762 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -87,7 +87,10 @@ static void qed_ll2b_complete_tx_packet(void *cxt,
 static int qed_ll2_alloc_buffer(struct qed_dev *cdev,
 				u8 **data, dma_addr_t *phys_addr)
 {
-	*data = kmalloc(cdev->ll2->rx_size, GFP_ATOMIC);
+	size_t size = cdev->ll2->rx_size + NET_SKB_PAD +
+		      SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+	*data = kmalloc(size, GFP_ATOMIC);
 	if (!(*data)) {
 		DP_INFO(cdev, "Failed to allocate LL2 buffer data\n");
 		return -ENOMEM;
@@ -2541,7 +2544,7 @@ static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params)
 	INIT_LIST_HEAD(&cdev->ll2->list);
 	spin_lock_init(&cdev->ll2->lock);
 
-	cdev->ll2->rx_size = NET_SKB_PAD + ETH_HLEN +
+	cdev->ll2->rx_size = PRM_DMA_PAD_BYTES_NUM + ETH_HLEN +
 			     L1_CACHE_BYTES + params->mtu;
 
 	/* Allocate memory for LL2.
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index c025dadcce289bfadb4ca68528adab09bb753e4c..37e34d8f7946e024775f50a58b2d181e7371961a 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -4470,7 +4470,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp,
 		struct sk_buff *skb = tp->tx_skb[entry].skb;
 		u32 status;
 
-		status = le32_to_cpu(tp->TxDescArray[entry].opts1);
+		status = le32_to_cpu(READ_ONCE(tp->TxDescArray[entry].opts1));
 		if (status & DescOwn)
 			break;
 
@@ -4544,7 +4544,7 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
 		dma_addr_t addr;
 		u32 status;
 
-		status = le32_to_cpu(desc->opts1);
+		status = le32_to_cpu(READ_ONCE(desc->opts1));
 		if (status & DescOwn)
 			break;
 
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index a59da6a11976929186495d4e2110fb26ff6c14d2..f218bacec00130413c728fbe0f271e4b725084d7 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1706,6 +1706,8 @@ static int ravb_close(struct net_device *ndev)
 			of_phy_deregister_fixed_link(np);
 	}
 
+	cancel_work_sync(&priv->work);
+
 	if (priv->chip_id != RCAR_GEN2) {
 		free_irq(priv->tx_irqs[RAVB_NC], ndev);
 		free_irq(priv->rx_irqs[RAVB_NC], ndev);
diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
index dc14a66583ff37680f85619762f5cf504b2c7f66..44488c153ea25fa9431f4a94e7225c909a3241d1 100644
--- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
@@ -1217,7 +1217,7 @@ static int gelic_wl_set_encodeext(struct net_device *netdev,
 		key_index = wl->current_key;
 
 	if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
-		/* reques to change default key index */
+		/* request to change default key index */
 		pr_debug("%s: request to change default key to %d\n",
 			 __func__, key_index);
 		wl->current_key = key_index;
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 05ea3a18552b6173f55132ebe095212e43e14676..ed247cba22916806517498be386cc7376489fe61 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -538,8 +538,9 @@ static int gtp_build_skb_ip4(struct sk_buff *skb, struct net_device *dev,
 
 	rt->dst.ops->update_pmtu(&rt->dst, NULL, skb, mtu, false);
 
-	if (!skb_is_gso(skb) && (iph->frag_off & htons(IP_DF)) &&
-	    mtu < ntohs(iph->tot_len)) {
+	if (iph->frag_off & htons(IP_DF) &&
+	    ((!skb_is_gso(skb) && skb->len > mtu) ||
+	     (skb_is_gso(skb) && !skb_gso_validate_network_len(skb, mtu)))) {
 		netdev_dbg(dev, "packet too big, fragmentation needed\n");
 		icmp_ndo_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
 			      htonl(mtu));
diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
index 07adbeec19787d9cf469e0cc78bf202ca3b91e4c..14cf8b0dfad9036958cfee6daf0e5c66a68a89aa 100644
--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -1162,9 +1162,10 @@ static int adf7242_stats_show(struct seq_file *file, void *offset)
 
 static void adf7242_debugfs_init(struct adf7242_local *lp)
 {
-	char debugfs_dir_name[DNAME_INLINE_LEN + 1] = "adf7242-";
+	char debugfs_dir_name[DNAME_INLINE_LEN + 1];
 
-	strncat(debugfs_dir_name, dev_name(&lp->spi->dev), DNAME_INLINE_LEN);
+	snprintf(debugfs_dir_name, sizeof(debugfs_dir_name),
+		 "adf7242-%s", dev_name(&lp->spi->dev));
 
 	lp->debugfs_root = debugfs_create_dir(debugfs_dir_name, NULL);
 
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index d4c92b11e022e70f829d81569f08fa709ae11975..1802fc549e488b67197b580811c015975a6a79e8 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3066,10 +3066,11 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
 	struct net *net = sock_net(&tfile->sk);
 	struct tun_struct *tun;
 	void __user* argp = (void __user*)arg;
-	unsigned int ifindex, carrier;
+	unsigned int carrier;
 	struct ifreq ifr;
 	kuid_t owner;
 	kgid_t group;
+	int ifindex;
 	int sndbuf;
 	int vnet_hdr_sz;
 	int le;
@@ -3126,7 +3127,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
 		ret = -EFAULT;
 		if (copy_from_user(&ifindex, argp, sizeof(ifindex)))
 			goto unlock;
-
+		ret = -EINVAL;
+		if (ifindex < 0)
+			goto unlock;
 		ret = 0;
 		tfile->ifindex = ifindex;
 		goto unlock;
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index cc7c86debfa271bb9529d79fb06de48ad988f8b8..0d6f10c9bb139a0f9cad9812c2d015804388899e 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1042,7 +1042,7 @@ int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
 
 	ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
 			      RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
-			      value, index, tmp, size, 500);
+			      value, index, tmp, size, USB_CTRL_GET_TIMEOUT);
 	if (ret < 0)
 		memset(data, 0xff, size);
 	else
@@ -1065,7 +1065,7 @@ int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
 
 	ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
 			      RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
-			      value, index, tmp, size, 500);
+			      value, index, tmp, size, USB_CTRL_SET_TIMEOUT);
 
 	kfree(tmp);
 
@@ -6615,7 +6615,8 @@ static u8 rtl_get_version(struct usb_interface *intf)
 
 	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 			      RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
-			      PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500);
+			      PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp),
+			      USB_CTRL_GET_TIMEOUT);
 	if (ret > 0)
 		ocp_data = (__le32_to_cpu(*tmp) >> 16) & VERSION_MASK;
 
@@ -6824,6 +6825,10 @@ static int rtl8152_probe(struct usb_interface *intf,
 
 out1:
 	tasklet_kill(&tp->tx_tl);
+	cancel_delayed_work_sync(&tp->hw_phy_work);
+	if (tp->rtl_ops.unload)
+		tp->rtl_ops.unload(tp);
+	rtl8152_release_firmware(tp);
 	usb_set_intfdata(intf, NULL);
 out:
 	free_netdev(netdev);
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 975f52605867ff81f2c033952f406acaae72b48f..569be01700aa1e683f0a27be5e25f6926b470905 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -86,7 +86,9 @@ static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
 	ret = fn(dev, USB_VENDOR_REQUEST_READ_REGISTER, USB_DIR_IN
 		 | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 		 0, index, &buf, 4);
-	if (ret < 0) {
+	if (ret < 4) {
+		ret = ret < 0 ? ret : -ENODATA;
+
 		if (ret != -ENODEV)
 			netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n",
 				    index, ret);
@@ -863,7 +865,7 @@ static int smsc95xx_reset(struct usbnet *dev)
 
 	if (timeout >= 100) {
 		netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n");
-		return ret;
+		return -ETIMEDOUT;
 	}
 
 	ret = smsc95xx_write_reg(dev, PM_CTRL, PM_CTL_PHY_RST_);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 4420aa7d303c28710927509918153249e0579434..0d5bb8f168419a68870bb4894cc5e8a12324cf37 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3181,7 +3181,8 @@ static const struct pci_device_id nvme_id_table[] = {
 	{ PCI_VDEVICE(INTEL, 0x0a54),	/* Intel P4500/P4600 */
 		.driver_data = NVME_QUIRK_STRIPE_SIZE |
 				NVME_QUIRK_DEALLOCATE_ZEROES |
-				NVME_QUIRK_IGNORE_DEV_SUBNQN, },
+				NVME_QUIRK_IGNORE_DEV_SUBNQN |
+				NVME_QUIRK_BOGUS_NID, },
 	{ PCI_VDEVICE(INTEL, 0x0a55),	/* Dell Express Flash P4600 */
 		.driver_data = NVME_QUIRK_STRIPE_SIZE |
 				NVME_QUIRK_DEALLOCATE_ZEROES, },
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 61c875ab590f0040b2e452b6b1609d1b95ed82ea..81763c9165525e221bf97bd3dc327464a3726dd9 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -644,6 +644,9 @@ static void __nvme_rdma_stop_queue(struct nvme_rdma_queue *queue)
 
 static void nvme_rdma_stop_queue(struct nvme_rdma_queue *queue)
 {
+	if (!test_bit(NVME_RDMA_Q_ALLOCATED, &queue->flags))
+		return;
+
 	mutex_lock(&queue->queue_lock);
 	if (test_and_clear_bit(NVME_RDMA_Q_LIVE, &queue->flags))
 		__nvme_rdma_stop_queue(queue);
diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index 7a1ebd6fd08b2af4c9ddefbe8da919fb27f1cac1..fddb5459e42796b27b96ea65732192e92c4f4691 100644
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -467,7 +467,7 @@ static const struct ocotp_params imx6sl_params = {
 };
 
 static const struct ocotp_params imx6sll_params = {
-	.nregs = 128,
+	.nregs = 80,
 	.bank_address_words = 0,
 	.set_timing = imx_ocotp_set_imx6_timing,
 	.ctrl = IMX_OCOTP_BM_CTRL_DEFAULT,
@@ -481,14 +481,14 @@ static const struct ocotp_params imx6sx_params = {
 };
 
 static const struct ocotp_params imx6ul_params = {
-	.nregs = 128,
+	.nregs = 144,
 	.bank_address_words = 0,
 	.set_timing = imx_ocotp_set_imx6_timing,
 	.ctrl = IMX_OCOTP_BM_CTRL_DEFAULT,
 };
 
 static const struct ocotp_params imx6ull_params = {
-	.nregs = 64,
+	.nregs = 80,
 	.bank_address_words = 0,
 	.set_timing = imx_ocotp_set_imx6_timing,
 	.ctrl = IMX_OCOTP_BM_CTRL_DEFAULT,
diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 3cd4d51c247c3cf2950dee85ec0233bb5742c7f9..67802f9e40ba0d0dddcdbf0c6ec0dccfd08654f4 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -122,16 +122,10 @@ static int phy_mdm6600_power_on(struct phy *x)
 {
 	struct phy_mdm6600 *ddata = phy_get_drvdata(x);
 	struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE];
-	int error;
 
 	if (!ddata->enabled)
 		return -ENODEV;
 
-	error = pinctrl_pm_select_default_state(ddata->dev);
-	if (error)
-		dev_warn(ddata->dev, "%s: error with default_state: %i\n",
-			 __func__, error);
-
 	gpiod_set_value_cansleep(enable_gpio, 1);
 
 	/* Allow aggressive PM for USB, it's only needed for n_gsm port */
@@ -160,11 +154,6 @@ static int phy_mdm6600_power_off(struct phy *x)
 
 	gpiod_set_value_cansleep(enable_gpio, 0);
 
-	error = pinctrl_pm_select_sleep_state(ddata->dev);
-	if (error)
-		dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
-			 __func__, error);
-
 	return 0;
 }
 
@@ -456,6 +445,7 @@ static void phy_mdm6600_device_power_off(struct phy_mdm6600 *ddata)
 {
 	struct gpio_desc *reset_gpio =
 		ddata->ctrl_gpios[PHY_MDM6600_RESET];
+	int error;
 
 	ddata->enabled = false;
 	phy_mdm6600_cmd(ddata, PHY_MDM6600_CMD_BP_SHUTDOWN_REQ);
@@ -471,6 +461,17 @@ static void phy_mdm6600_device_power_off(struct phy_mdm6600 *ddata)
 	} else {
 		dev_err(ddata->dev, "Timed out powering down\n");
 	}
+
+	/*
+	 * Keep reset gpio high with padconf internal pull-up resistor to
+	 * prevent modem from waking up during deeper SoC idle states. The
+	 * gpio bank lines can have glitches if not in the always-on wkup
+	 * domain.
+	 */
+	error = pinctrl_pm_select_sleep_state(ddata->dev);
+	if (error)
+		dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
+			 __func__, error);
 }
 
 static void phy_mdm6600_deferred_power_on(struct work_struct *work)
@@ -571,12 +572,6 @@ static int phy_mdm6600_probe(struct platform_device *pdev)
 	ddata->dev = &pdev->dev;
 	platform_set_drvdata(pdev, ddata);
 
-	/* Active state selected in phy_mdm6600_power_on() */
-	error = pinctrl_pm_select_sleep_state(ddata->dev);
-	if (error)
-		dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
-			 __func__, error);
-
 	error = phy_mdm6600_init_lines(ddata);
 	if (error)
 		return error;
@@ -627,10 +622,12 @@ static int phy_mdm6600_probe(struct platform_device *pdev)
 	pm_runtime_put_autosuspend(ddata->dev);
 
 cleanup:
-	if (error < 0)
+	if (error < 0) {
 		phy_mdm6600_device_power_off(ddata);
-	pm_runtime_disable(ddata->dev);
-	pm_runtime_dont_use_autosuspend(ddata->dev);
+		pm_runtime_disable(ddata->dev);
+		pm_runtime_dont_use_autosuspend(ddata->dev);
+	}
+
 	return error;
 }
 
@@ -639,6 +636,7 @@ static int phy_mdm6600_remove(struct platform_device *pdev)
 	struct phy_mdm6600 *ddata = platform_get_drvdata(pdev);
 	struct gpio_desc *reset_gpio = ddata->ctrl_gpios[PHY_MDM6600_RESET];
 
+	pm_runtime_get_noresume(ddata->dev);
 	pm_runtime_dont_use_autosuspend(ddata->dev);
 	pm_runtime_put_sync(ddata->dev);
 	pm_runtime_disable(ddata->dev);
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index c4802894d1b5ca75e1b90602cafe2c049a84202b..7fcbe4382a0e6d93eda8e00d93f28cb2f3777653 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1007,20 +1007,17 @@ static int add_setting(struct pinctrl *p, struct pinctrl_dev *pctldev,
 
 static struct pinctrl *find_pinctrl(struct device *dev)
 {
-	struct pinctrl *entry, *p = NULL;
+	struct pinctrl *p;
 
 	mutex_lock(&pinctrl_list_mutex);
-
-	list_for_each_entry(entry, &pinctrl_list, node) {
-		if (entry->dev == dev) {
-			p = entry;
-			kref_get(&p->users);
-			break;
+	list_for_each_entry(p, &pinctrl_list, node)
+		if (p->dev == dev) {
+			mutex_unlock(&pinctrl_list_mutex);
+			return p;
 		}
-	}
 
 	mutex_unlock(&pinctrl_list_mutex);
-	return p;
+	return NULL;
 }
 
 static void pinctrl_free(struct pinctrl *p, bool inlist);
@@ -1129,6 +1126,7 @@ struct pinctrl *pinctrl_get(struct device *dev)
 	p = find_pinctrl(dev);
 	if (p) {
 		dev_dbg(dev, "obtain a copy of previously claimed pinctrl\n");
+		kref_get(&p->users);
 		return p;
 	}
 
diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
index 194f3205e55974ba6eeb5cc28defa681b5cfce4a..767f4406e55f116e57c9094bfa6cc44cf53dc953 100644
--- a/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -588,24 +588,25 @@ static void mlxbf_tmfifo_rxtx_word(struct mlxbf_tmfifo_vring *vring,
 
 	if (vring->cur_len + sizeof(u64) <= len) {
 		/* The whole word. */
-		if (!IS_VRING_DROP(vring)) {
-			if (is_rx)
+		if (is_rx) {
+			if (!IS_VRING_DROP(vring))
 				memcpy(addr + vring->cur_len, &data,
 				       sizeof(u64));
-			else
-				memcpy(&data, addr + vring->cur_len,
-				       sizeof(u64));
+		} else {
+			memcpy(&data, addr + vring->cur_len,
+			       sizeof(u64));
 		}
 		vring->cur_len += sizeof(u64);
 	} else {
 		/* Leftover bytes. */
-		if (!IS_VRING_DROP(vring)) {
-			if (is_rx)
+		if (is_rx) {
+			if (!IS_VRING_DROP(vring))
 				memcpy(addr + vring->cur_len, &data,
 				       len - vring->cur_len);
-			else
-				memcpy(&data, addr + vring->cur_len,
-				       len - vring->cur_len);
+		} else {
+			data = 0;
+			memcpy(&data, addr + vring->cur_len,
+			       len - vring->cur_len);
 		}
 		vring->cur_len = len;
 	}
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index b4a5cbdae904e6b05391c21544d91a4dc3dda743..04503ad6c7fb033caf36db53d28ccae0d67a40e2 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -475,6 +475,9 @@ static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
 static const struct key_entry asus_nb_wmi_keymap[] = {
 	{ KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
 	{ KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
+	{ KE_KEY, 0x2a, { KEY_SELECTIVE_SCREENSHOT } },
+	{ KE_IGNORE, 0x2b, }, /* PrintScreen (also send via PS/2) on newer models */
+	{ KE_IGNORE, 0x2c, }, /* CapsLock (also send via PS/2) on newer models */
 	{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
 	{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
 	{ KE_KEY, 0x32, { KEY_MUTE } },
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index 1a95c172f94b0d991994d9b0e63a7c189f3080e1..1d0b592e2651b5f23d7076a768335b0a5f3f880c 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -18,7 +18,7 @@
 #include <linux/i8042.h>
 
 #define ASUS_WMI_KEY_IGNORE (-1)
-#define ASUS_WMI_BRN_DOWN	0x20
+#define ASUS_WMI_BRN_DOWN	0x2e
 #define ASUS_WMI_BRN_UP		0x2f
 
 struct module;
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index 55a18cd0c298f53ef8590d8435eed0877480a996..eedff2ae285113624a2fb3026325b1357ae2dd2d 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -726,6 +726,21 @@ static const struct ts_dmi_data pipo_w11_data = {
 	.properties	= pipo_w11_props,
 };
 
+static const struct property_entry positivo_c4128b_props[] = {
+	PROPERTY_ENTRY_U32("touchscreen-min-x", 4),
+	PROPERTY_ENTRY_U32("touchscreen-min-y", 13),
+	PROPERTY_ENTRY_U32("touchscreen-size-x", 1915),
+	PROPERTY_ENTRY_U32("touchscreen-size-y", 1269),
+	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-positivo-c4128b.fw"),
+	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+	{ }
+};
+
+static const struct ts_dmi_data positivo_c4128b_data = {
+	.acpi_name	= "MSSL1680:00",
+	.properties	= positivo_c4128b_props,
+};
+
 static const struct property_entry pov_mobii_wintab_p800w_v20_props[] = {
 	PROPERTY_ENTRY_U32("touchscreen-min-x", 32),
 	PROPERTY_ENTRY_U32("touchscreen-min-y", 16),
@@ -1389,6 +1404,14 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
 			DMI_MATCH(DMI_BIOS_VERSION, "MOMO.G.WI71C.MABMRBA02"),
 		},
 	},
+	{
+		/* Positivo C4128B */
+		.driver_data = (void *)&positivo_c4128b_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Positivo Tecnologia SA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C4128B-1"),
+		},
+	},
 	{
 		/* Point of View mobii wintab p800w (v2.0) */
 		.driver_data = (void *)&pov_mobii_wintab_p800w_v20_data,
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index c2b6b1befcf2c5fd169555bd07cc0815d4aa0a3e..50cbfe54c7db04d54f3a46fa21ceac0ea81cf9a0 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -5489,15 +5489,11 @@ regulator_register(const struct regulator_desc *regulator_desc,
 	mutex_lock(&regulator_list_mutex);
 	regulator_ena_gpio_free(rdev);
 	mutex_unlock(&regulator_list_mutex);
-	put_device(&rdev->dev);
-	rdev = NULL;
 clean:
 	if (dangling_of_gpiod)
 		gpiod_put(config->ena_gpiod);
-	if (rdev && rdev->dev.of_node)
-		of_node_put(rdev->dev.of_node);
-	kfree(rdev);
 	kfree(config);
+	put_device(&rdev->dev);
 rinse:
 	if (dangling_cfg_gpiod)
 		gpiod_put(cfg->ena_gpiod);
diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index e776d1bfc97678dc63f4980ff54cdb2f96648a4a..28b6ae0e1a2fdafbbe553cd45ea1abe00b75b810 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -1379,6 +1379,7 @@ static void qcom_glink_rpdev_release(struct device *dev)
 	struct glink_channel *channel = to_glink_channel(rpdev->ept);
 
 	channel->rpdev = NULL;
+	kfree(rpdev->driver_override);
 	kfree(rpdev);
 }
 
@@ -1607,6 +1608,7 @@ static void qcom_glink_device_release(struct device *dev)
 
 	/* Release qcom_glink_alloc_channel() reference */
 	kref_put(&channel->refcount, qcom_glink_channel_release);
+	kfree(rpdev->driver_override);
 	kfree(rpdev);
 }
 
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 028ca5961bc2afff4f9a183f7473925b202ecada..fd3d7b3fbbd1ffcc9f44ee0806d5b13c6d6fef3d 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -332,7 +332,8 @@ field##_store(struct device *dev, struct device_attribute *attr,	\
 	      const char *buf, size_t sz)				\
 {									\
 	struct rpmsg_device *rpdev = to_rpmsg_device(dev);		\
-	char *new, *old;						\
+	const char *old;						\
+	char *new;							\
 									\
 	new = kstrndup(buf, sz, GFP_KERNEL);				\
 	if (!new)							\
@@ -525,24 +526,52 @@ static struct bus_type rpmsg_bus = {
 	.remove		= rpmsg_dev_remove,
 };
 
-int rpmsg_register_device(struct rpmsg_device *rpdev)
+/*
+ * A helper for registering rpmsg device with driver override and name.
+ * Drivers should not be using it, but instead rpmsg_register_device().
+ */
+int rpmsg_register_device_override(struct rpmsg_device *rpdev,
+				   const char *driver_override)
 {
 	struct device *dev = &rpdev->dev;
 	int ret;
 
+	if (driver_override)
+		strcpy(rpdev->id.name, driver_override);
+
 	dev_set_name(&rpdev->dev, "%s.%s.%d.%d", dev_name(dev->parent),
 		     rpdev->id.name, rpdev->src, rpdev->dst);
 
 	rpdev->dev.bus = &rpmsg_bus;
 
-	ret = device_register(&rpdev->dev);
+	device_initialize(dev);
+	if (driver_override) {
+		ret = driver_set_override(dev, &rpdev->driver_override,
+					  driver_override,
+					  strlen(driver_override));
+		if (ret) {
+			dev_err(dev, "device_set_override failed: %d\n", ret);
+			put_device(dev);
+			return ret;
+		}
+	}
+
+	ret = device_add(dev);
 	if (ret) {
-		dev_err(dev, "device_register failed: %d\n", ret);
+		dev_err(dev, "device_add failed: %d\n", ret);
+		kfree(rpdev->driver_override);
+		rpdev->driver_override = NULL;
 		put_device(&rpdev->dev);
 	}
 
 	return ret;
 }
+EXPORT_SYMBOL(rpmsg_register_device_override);
+
+int rpmsg_register_device(struct rpmsg_device *rpdev)
+{
+	return rpmsg_register_device_override(rpdev, NULL);
+}
 EXPORT_SYMBOL(rpmsg_register_device);
 
 /*
diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
index 3fc83cd50e98f82a48a028fe371ae9d684c85e70..f305279e2e24c368a73a941d9e3b241d5126ea64 100644
--- a/drivers/rpmsg/rpmsg_internal.h
+++ b/drivers/rpmsg/rpmsg_internal.h
@@ -84,10 +84,7 @@ struct device *rpmsg_find_device(struct device *parent,
  */
 static inline int rpmsg_chrdev_register_device(struct rpmsg_device *rpdev)
 {
-	strcpy(rpdev->id.name, "rpmsg_chrdev");
-	rpdev->driver_override = "rpmsg_chrdev";
-
-	return rpmsg_register_device(rpdev);
+	return rpmsg_register_device_override(rpdev, "rpmsg_ctrl");
 }
 
 #endif
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index c3a5978b0efacdf48bcc482b0ee71d5511d28bb2..e797f6e3982cf5c166fef02d984ebc4105efb4a0 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -11624,8 +11624,10 @@ _mpt3sas_init(void)
 	mpt3sas_ctl_init(hbas_to_enumerate);
 
 	error = pci_register_driver(&mpt3sas_driver);
-	if (error)
+	if (error) {
+		mpt3sas_ctl_exit(hbas_to_enumerate);
 		scsih_exit();
+	}
 
 	return error;
 }
diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index b62471ab6d7f25200aed6869d90c940ef2574904..1edaf22e265bf3530e62496523cba8ae9c38cbe7 100644
--- a/drivers/spi/spi-npcm-fiu.c
+++ b/drivers/spi/spi-npcm-fiu.c
@@ -334,8 +334,9 @@ static int npcm_fiu_uma_read(struct spi_mem *mem,
 		uma_cfg |= ilog2(op->cmd.buswidth);
 		uma_cfg |= ilog2(op->addr.buswidth)
 			<< NPCM_FIU_UMA_CFG_ADBPCK_SHIFT;
-		uma_cfg |= ilog2(op->dummy.buswidth)
-			<< NPCM_FIU_UMA_CFG_DBPCK_SHIFT;
+		if (op->dummy.nbytes)
+			uma_cfg |= ilog2(op->dummy.buswidth)
+				<< NPCM_FIU_UMA_CFG_DBPCK_SHIFT;
 		uma_cfg |= ilog2(op->data.buswidth)
 			<< NPCM_FIU_UMA_CFG_RDBPCK_SHIFT;
 		uma_cfg |= op->dummy.nbytes << NPCM_FIU_UMA_CFG_DBSIZ_SHIFT;
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index b2fb3397310e4aff57ba7d78a4a64ccf49dddaf4..90f1d9a534614155e909bb4dffbf9e17b777f0eb 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -41,6 +41,7 @@
 #define PHY_PORT_CS1_LINK_STATE_SHIFT	26
 
 #define ICM_TIMEOUT			5000	/* ms */
+#define ICM_RETRIES			3
 #define ICM_APPROVE_TIMEOUT		10000	/* ms */
 #define ICM_MAX_LINK			4
 
@@ -280,10 +281,9 @@ static bool icm_copy(struct tb_cfg_request *req, const struct ctl_pkg *pkg)
 
 static int icm_request(struct tb *tb, const void *request, size_t request_size,
 		       void *response, size_t response_size, size_t npackets,
-		       unsigned int timeout_msec)
+		       int retries, unsigned int timeout_msec)
 {
 	struct icm *icm = tb_priv(tb);
-	int retries = 3;
 
 	do {
 		struct tb_cfg_request *req;
@@ -394,7 +394,7 @@ static int icm_fr_get_route(struct tb *tb, u8 link, u8 depth, u64 *route)
 		return -ENOMEM;
 
 	ret = icm_request(tb, &request, sizeof(request), switches,
-			  sizeof(*switches), npackets, ICM_TIMEOUT);
+			  sizeof(*switches), npackets, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		goto err_free;
 
@@ -447,7 +447,7 @@ icm_fr_driver_ready(struct tb *tb, enum tb_security_level *security_level,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -472,7 +472,7 @@ static int icm_fr_approve_switch(struct tb *tb, struct tb_switch *sw)
 	memset(&reply, 0, sizeof(reply));
 	/* Use larger timeout as establishing tunnels can take some time */
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_APPROVE_TIMEOUT);
+			  1, ICM_RETRIES, ICM_APPROVE_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -499,7 +499,7 @@ static int icm_fr_add_switch_key(struct tb *tb, struct tb_switch *sw)
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -527,7 +527,7 @@ static int icm_fr_challenge_switch_key(struct tb *tb, struct tb_switch *sw,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -559,7 +559,7 @@ static int icm_fr_approve_xdomain_paths(struct tb *tb, struct tb_xdomain *xd)
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -996,7 +996,7 @@ icm_tr_driver_ready(struct tb *tb, enum tb_security_level *security_level,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, 20000);
+			  1, 10, 2000);
 	if (ret)
 		return ret;
 
@@ -1026,7 +1026,7 @@ static int icm_tr_approve_switch(struct tb *tb, struct tb_switch *sw)
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_APPROVE_TIMEOUT);
+			  1, ICM_RETRIES, ICM_APPROVE_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1054,7 +1054,7 @@ static int icm_tr_add_switch_key(struct tb *tb, struct tb_switch *sw)
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1083,7 +1083,7 @@ static int icm_tr_challenge_switch_key(struct tb *tb, struct tb_switch *sw,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1115,7 +1115,7 @@ static int icm_tr_approve_xdomain_paths(struct tb *tb, struct tb_xdomain *xd)
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1141,7 +1141,7 @@ static int icm_tr_xdomain_tear_down(struct tb *tb, struct tb_xdomain *xd,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1460,7 +1460,7 @@ icm_ar_driver_ready(struct tb *tb, enum tb_security_level *security_level,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1486,7 +1486,7 @@ static int icm_ar_get_route(struct tb *tb, u8 link, u8 depth, u64 *route)
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1507,7 +1507,7 @@ static int icm_ar_get_boot_acl(struct tb *tb, uuid_t *uuids, size_t nuuids)
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1568,7 +1568,7 @@ static int icm_ar_set_boot_acl(struct tb *tb, const uuid_t *uuids,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, ICM_TIMEOUT);
+			  1, ICM_RETRIES, ICM_TIMEOUT);
 	if (ret)
 		return ret;
 
@@ -1590,7 +1590,7 @@ icm_icl_driver_ready(struct tb *tb, enum tb_security_level *security_level,
 
 	memset(&reply, 0, sizeof(reply));
 	ret = icm_request(tb, &request, sizeof(request), &reply, sizeof(reply),
-			  1, 20000);
+			  1, ICM_RETRIES, 20000);
 	if (ret)
 		return ret;
 
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index e26ac3f42e05cf37b4340a393f00243456d00fbd..e7e84aa2c5f848422cc0260f44c9028c14f26dd2 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -32,6 +32,7 @@
 #include "8250.h"
 
 #define DEFAULT_CLK_SPEED	48000000
+#define OMAP_UART_REGSHIFT	2
 
 #define UART_ERRATA_i202_MDR1_ACCESS	(1 << 0)
 #define OMAP_UART_WER_HAS_TX_WAKEUP	(1 << 1)
@@ -109,6 +110,7 @@
 #define UART_OMAP_RX_LVL		0x19
 
 struct omap8250_priv {
+	void __iomem *membase;
 	int line;
 	u8 habit;
 	u8 mdr1;
@@ -152,9 +154,14 @@ static void omap_8250_rx_dma_flush(struct uart_8250_port *p);
 static inline void omap_8250_rx_dma_flush(struct uart_8250_port *p) { }
 #endif
 
-static u32 uart_read(struct uart_8250_port *up, u32 reg)
+static u32 uart_read(struct omap8250_priv *priv, u32 reg)
+{
+	return readl(priv->membase + (reg << OMAP_UART_REGSHIFT));
+}
+
+static void uart_write(struct omap8250_priv *priv, u32 reg, u32 val)
 {
-	return readl(up->port.membase + (reg << up->port.regshift));
+	writel(val, priv->membase + (reg << OMAP_UART_REGSHIFT));
 }
 
 /*
@@ -552,7 +559,7 @@ static void omap_serial_fill_features_erratas(struct uart_8250_port *up,
 	u32 mvr, scheme;
 	u16 revision, major, minor;
 
-	mvr = uart_read(up, UART_OMAP_MVER);
+	mvr = uart_read(priv, UART_OMAP_MVER);
 
 	/* Check revision register scheme */
 	scheme = mvr >> OMAP_UART_MVR_SCHEME_SHIFT;
@@ -1336,7 +1343,7 @@ static int omap8250_probe(struct platform_device *pdev)
 		UPF_HARD_FLOW;
 	up.port.private_data = priv;
 
-	up.port.regshift = 2;
+	up.port.regshift = OMAP_UART_REGSHIFT;
 	up.port.fifosize = 64;
 	up.tx_loadsz = 64;
 	up.capabilities = UART_CAP_FIFO;
@@ -1397,6 +1404,8 @@ static int omap8250_probe(struct platform_device *pdev)
 			 DEFAULT_CLK_SPEED);
 	}
 
+	priv->membase = membase;
+	priv->line = -ENODEV;
 	priv->latency = PM_QOS_CPU_LATENCY_DEFAULT_VALUE;
 	priv->calc_latency = PM_QOS_CPU_LATENCY_DEFAULT_VALUE;
 	cpu_latency_qos_add_request(&priv->pm_qos_request, priv->latency);
@@ -1404,6 +1413,8 @@ static int omap8250_probe(struct platform_device *pdev)
 
 	spin_lock_init(&priv->rx_dma_lock);
 
+	platform_set_drvdata(pdev, priv);
+
 	device_init_wakeup(&pdev->dev, true);
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_use_autosuspend(&pdev->dev);
@@ -1465,7 +1476,6 @@ static int omap8250_probe(struct platform_device *pdev)
 		goto err;
 	}
 	priv->line = ret;
-	platform_set_drvdata(pdev, priv);
 	pm_runtime_mark_last_busy(&pdev->dev);
 	pm_runtime_put_autosuspend(&pdev->dev);
 	return 0;
@@ -1487,11 +1497,12 @@ static int omap8250_remove(struct platform_device *pdev)
 	if (err)
 		return err;
 
+	serial8250_unregister_port(priv->line);
+	priv->line = -ENODEV;
 	pm_runtime_dont_use_autosuspend(&pdev->dev);
 	pm_runtime_put_sync(&pdev->dev);
 	flush_work(&priv->qos_work);
 	pm_runtime_disable(&pdev->dev);
-	serial8250_unregister_port(priv->line);
 	cpu_latency_qos_remove_request(&priv->pm_qos_request);
 	device_init_wakeup(&pdev->dev, false);
 	return 0;
@@ -1521,7 +1532,7 @@ static int omap8250_suspend(struct device *dev)
 {
 	struct omap8250_priv *priv = dev_get_drvdata(dev);
 	struct uart_8250_port *up = serial8250_get_port(priv->line);
-	int err;
+	int err = 0;
 
 	serial8250_suspend_port(priv->line);
 
@@ -1531,7 +1542,8 @@ static int omap8250_suspend(struct device *dev)
 	if (!device_may_wakeup(dev))
 		priv->wer = 0;
 	serial_out(up, UART_OMAP_WER, priv->wer);
-	err = pm_runtime_force_suspend(dev);
+	if (uart_console(&up->port) && console_suspend_enabled)
+		err = pm_runtime_force_suspend(dev);
 	flush_work(&priv->qos_work);
 
 	return err;
@@ -1540,11 +1552,15 @@ static int omap8250_suspend(struct device *dev)
 static int omap8250_resume(struct device *dev)
 {
 	struct omap8250_priv *priv = dev_get_drvdata(dev);
+	struct uart_8250_port *up = serial8250_get_port(priv->line);
 	int err;
 
-	err = pm_runtime_force_resume(dev);
-	if (err)
-		return err;
+	if (uart_console(&up->port) && console_suspend_enabled) {
+		err = pm_runtime_force_resume(dev);
+		if (err)
+			return err;
+	}
+
 	serial8250_resume_port(priv->line);
 	/* Paired with pm_runtime_resume_and_get() in omap8250_suspend() */
 	pm_runtime_mark_last_busy(dev);
@@ -1577,7 +1593,6 @@ static int omap8250_lost_context(struct uart_8250_port *up)
 static int omap8250_soft_reset(struct device *dev)
 {
 	struct omap8250_priv *priv = dev_get_drvdata(dev);
-	struct uart_8250_port *up = serial8250_get_port(priv->line);
 	int timeout = 100;
 	int sysc;
 	int syss;
@@ -1591,20 +1606,20 @@ static int omap8250_soft_reset(struct device *dev)
 	 * needing omap8250_soft_reset() quirk. Do it in two writes as
 	 * recommended in the comment for omap8250_update_scr().
 	 */
-	serial_out(up, UART_OMAP_SCR, OMAP_UART_SCR_DMAMODE_1);
-	serial_out(up, UART_OMAP_SCR,
+	uart_write(priv, UART_OMAP_SCR, OMAP_UART_SCR_DMAMODE_1);
+	uart_write(priv, UART_OMAP_SCR,
 		   OMAP_UART_SCR_DMAMODE_1 | OMAP_UART_SCR_DMAMODE_CTL);
 
-	sysc = serial_in(up, UART_OMAP_SYSC);
+	sysc = uart_read(priv, UART_OMAP_SYSC);
 
 	/* softreset the UART */
 	sysc |= OMAP_UART_SYSC_SOFTRESET;
-	serial_out(up, UART_OMAP_SYSC, sysc);
+	uart_write(priv, UART_OMAP_SYSC, sysc);
 
 	/* By experiments, 1us enough for reset complete on AM335x */
 	do {
 		udelay(1);
-		syss = serial_in(up, UART_OMAP_SYSS);
+		syss = uart_read(priv, UART_OMAP_SYSS);
 	} while (--timeout && !(syss & OMAP_UART_SYSS_RESETDONE));
 
 	if (!timeout) {
@@ -1618,23 +1633,10 @@ static int omap8250_soft_reset(struct device *dev)
 static int omap8250_runtime_suspend(struct device *dev)
 {
 	struct omap8250_priv *priv = dev_get_drvdata(dev);
-	struct uart_8250_port *up;
+	struct uart_8250_port *up = NULL;
 
-	/* In case runtime-pm tries this before we are setup */
-	if (!priv)
-		return 0;
-
-	up = serial8250_get_port(priv->line);
-	/*
-	 * When using 'no_console_suspend', the console UART must not be
-	 * suspended. Since driver suspend is managed by runtime suspend,
-	 * preventing runtime suspend (by returning error) will keep device
-	 * active during suspend.
-	 */
-	if (priv->is_suspending && !console_suspend_enabled) {
-		if (uart_console(&up->port))
-			return -EBUSY;
-	}
+	if (priv->line >= 0)
+		up = serial8250_get_port(priv->line);
 
 	if (priv->habit & UART_ERRATA_CLOCK_DISABLE) {
 		int ret;
@@ -1643,13 +1645,15 @@ static int omap8250_runtime_suspend(struct device *dev)
 		if (ret)
 			return ret;
 
-		/* Restore to UART mode after reset (for wakeup) */
-		omap8250_update_mdr1(up, priv);
-		/* Restore wakeup enable register */
-		serial_out(up, UART_OMAP_WER, priv->wer);
+		if (up) {
+			/* Restore to UART mode after reset (for wakeup) */
+			omap8250_update_mdr1(up, priv);
+			/* Restore wakeup enable register */
+			serial_out(up, UART_OMAP_WER, priv->wer);
+		}
 	}
 
-	if (up->dma && up->dma->rxchan)
+	if (up && up->dma && up->dma->rxchan)
 		omap_8250_rx_dma_flush(up);
 
 	priv->latency = PM_QOS_CPU_LATENCY_DEFAULT_VALUE;
@@ -1661,18 +1665,15 @@ static int omap8250_runtime_suspend(struct device *dev)
 static int omap8250_runtime_resume(struct device *dev)
 {
 	struct omap8250_priv *priv = dev_get_drvdata(dev);
-	struct uart_8250_port *up;
-
-	/* In case runtime-pm tries this before we are setup */
-	if (!priv)
-		return 0;
+	struct uart_8250_port *up = NULL;
 
-	up = serial8250_get_port(priv->line);
+	if (priv->line >= 0)
+		up = serial8250_get_port(priv->line);
 
-	if (omap8250_lost_context(up))
+	if (up && omap8250_lost_context(up))
 		omap8250_restore_regs(up);
 
-	if (up->dma && up->dma->rxchan && !(priv->habit & UART_HAS_EFR2))
+	if (up && up->dma && up->dma->rxchan && !(priv->habit & UART_HAS_EFR2))
 		omap_8250_rx_dma(up);
 
 	priv->latency = priv->calc_latency;
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 63bb04d262d847ef40f6c0585e8856a337cb2927..0a77717d6af20e611ab1221ca4a266b715e5beef 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2745,6 +2745,7 @@ int usb_add_hcd(struct usb_hcd *hcd,
 
 	rhdev->rx_lanes = 1;
 	rhdev->tx_lanes = 1;
+	rhdev->ssp_rate = USB_SSP_GEN_UNKNOWN;
 
 	switch (hcd->speed) {
 	case HCD_USB11:
@@ -2762,8 +2763,11 @@ int usb_add_hcd(struct usb_hcd *hcd,
 	case HCD_USB32:
 		rhdev->rx_lanes = 2;
 		rhdev->tx_lanes = 2;
-		fallthrough;
+		rhdev->ssp_rate = USB_SSP_GEN_2x2;
+		rhdev->speed = USB_SPEED_SUPER_PLUS;
+		break;
 	case HCD_USB31:
+		rhdev->ssp_rate = USB_SSP_GEN_2x1;
 		rhdev->speed = USB_SPEED_SUPER_PLUS;
 		break;
 	default:
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b91b01c2c5dee08ef686c52e1eb58f40bdcecb41..cfcd4f2ffffaabedfb18112ace5ad21e20bbb52b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -31,6 +31,7 @@
 #include <linux/pm_qos.h>
 #include <linux/kobject.h>
 
+#include <linux/bitfield.h>
 #include <linux/uaccess.h>
 #include <asm/byteorder.h>
 
@@ -2691,6 +2692,81 @@ int usb_authorize_device(struct usb_device *usb_dev)
 	return result;
 }
 
+/**
+ * get_port_ssp_rate - Match the extended port status to SSP rate
+ * @hdev: The hub device
+ * @ext_portstatus: extended port status
+ *
+ * Match the extended port status speed id to the SuperSpeed Plus sublink speed
+ * capability attributes. Base on the number of connected lanes and speed,
+ * return the corresponding enum usb_ssp_rate.
+ */
+static enum usb_ssp_rate get_port_ssp_rate(struct usb_device *hdev,
+					   u32 ext_portstatus)
+{
+	struct usb_ssp_cap_descriptor *ssp_cap = hdev->bos->ssp_cap;
+	u32 attr;
+	u8 speed_id;
+	u8 ssac;
+	u8 lanes;
+	int i;
+
+	if (!ssp_cap)
+		goto out;
+
+	speed_id = ext_portstatus & USB_EXT_PORT_STAT_RX_SPEED_ID;
+	lanes = USB_EXT_PORT_RX_LANES(ext_portstatus) + 1;
+
+	ssac = le32_to_cpu(ssp_cap->bmAttributes) &
+		USB_SSP_SUBLINK_SPEED_ATTRIBS;
+
+	for (i = 0; i <= ssac; i++) {
+		u8 ssid;
+
+		attr = le32_to_cpu(ssp_cap->bmSublinkSpeedAttr[i]);
+		ssid = FIELD_GET(USB_SSP_SUBLINK_SPEED_SSID, attr);
+		if (speed_id == ssid) {
+			u16 mantissa;
+			u8 lse;
+			u8 type;
+
+			/*
+			 * Note: currently asymmetric lane types are only
+			 * applicable for SSIC operate in SuperSpeed protocol
+			 */
+			type = FIELD_GET(USB_SSP_SUBLINK_SPEED_ST, attr);
+			if (type == USB_SSP_SUBLINK_SPEED_ST_ASYM_RX ||
+			    type == USB_SSP_SUBLINK_SPEED_ST_ASYM_TX)
+				goto out;
+
+			if (FIELD_GET(USB_SSP_SUBLINK_SPEED_LP, attr) !=
+			    USB_SSP_SUBLINK_SPEED_LP_SSP)
+				goto out;
+
+			lse = FIELD_GET(USB_SSP_SUBLINK_SPEED_LSE, attr);
+			mantissa = FIELD_GET(USB_SSP_SUBLINK_SPEED_LSM, attr);
+
+			/* Convert to Gbps */
+			for (; lse < USB_SSP_SUBLINK_SPEED_LSE_GBPS; lse++)
+				mantissa /= 1000;
+
+			if (mantissa >= 10 && lanes == 1)
+				return USB_SSP_GEN_2x1;
+
+			if (mantissa >= 10 && lanes == 2)
+				return USB_SSP_GEN_2x2;
+
+			if (mantissa >= 5 && lanes == 2)
+				return USB_SSP_GEN_1x2;
+
+			goto out;
+		}
+	}
+
+out:
+	return USB_SSP_GEN_UNKNOWN;
+}
+
 /*
  * Return 1 if port speed is SuperSpeedPlus, 0 otherwise or if the
  * capability couldn't be checked.
@@ -2878,9 +2954,11 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
 		/* extended portstatus Rx and Tx lane count are zero based */
 		udev->rx_lanes = USB_EXT_PORT_RX_LANES(ext_portstatus) + 1;
 		udev->tx_lanes = USB_EXT_PORT_TX_LANES(ext_portstatus) + 1;
+		udev->ssp_rate = get_port_ssp_rate(hub->hdev, ext_portstatus);
 	} else {
 		udev->rx_lanes = 1;
 		udev->tx_lanes = 1;
+		udev->ssp_rate = USB_SSP_GEN_UNKNOWN;
 	}
 	if (hub_is_wusb(hub))
 		udev->speed = USB_SPEED_WIRELESS;
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 7bb3067418076499543a3cebbbca7ec5487048bd..e92f920256b2e05d08a48c4def116670e2c04336 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -819,7 +819,7 @@ static void xhci_del_comp_mod_timer(struct xhci_hcd *xhci, u32 status,
 }
 
 static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
-					     u32 *status, u32 portsc,
+					     u32 portsc,
 					     unsigned long *flags)
 {
 	struct xhci_bus_state *bus_state;
@@ -834,11 +834,10 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
 	wIndex = port->hcd_portnum;
 
 	if ((portsc & PORT_RESET) || !(portsc & PORT_PE)) {
-		*status = 0xffffffff;
 		return -EINVAL;
 	}
 	/* did port event handler already start resume timing? */
-	if (!bus_state->resume_done[wIndex]) {
+	if (!port->resume_timestamp) {
 		/* If not, maybe we are in a host initated resume? */
 		if (test_bit(wIndex, &bus_state->resuming_ports)) {
 			/* Host initated resume doesn't time the resume
@@ -855,28 +854,29 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
 				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 
 			set_bit(wIndex, &bus_state->resuming_ports);
-			bus_state->resume_done[wIndex] = timeout;
+			port->resume_timestamp = timeout;
 			mod_timer(&hcd->rh_timer, timeout);
 			usb_hcd_start_port_resume(&hcd->self, wIndex);
 		}
 	/* Has resume been signalled for USB_RESUME_TIME yet? */
-	} else if (time_after_eq(jiffies, bus_state->resume_done[wIndex])) {
+	} else if (time_after_eq(jiffies, port->resume_timestamp)) {
 		int time_left;
 
 		xhci_dbg(xhci, "resume USB2 port %d-%d\n",
 			 hcd->self.busnum, wIndex + 1);
 
-		bus_state->resume_done[wIndex] = 0;
+		port->resume_timestamp = 0;
 		clear_bit(wIndex, &bus_state->resuming_ports);
 
-		set_bit(wIndex, &bus_state->rexit_ports);
+		reinit_completion(&port->rexit_done);
+		port->rexit_active = true;
 
 		xhci_test_and_clear_bit(xhci, port, PORT_PLC);
 		xhci_set_link_state(xhci, port, XDEV_U0);
 
 		spin_unlock_irqrestore(&xhci->lock, *flags);
 		time_left = wait_for_completion_timeout(
-			&bus_state->rexit_done[wIndex],
+			&port->rexit_done,
 			msecs_to_jiffies(XHCI_MAX_REXIT_TIMEOUT_MS));
 		spin_lock_irqsave(&xhci->lock, *flags);
 
@@ -885,7 +885,6 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
 							    wIndex + 1);
 			if (!slot_id) {
 				xhci_dbg(xhci, "slot_id is zero\n");
-				*status = 0xffffffff;
 				return -ENODEV;
 			}
 			xhci_ring_device(xhci, slot_id);
@@ -894,22 +893,19 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
 
 			xhci_warn(xhci, "Port resume timed out, port %d-%d: 0x%x\n",
 				  hcd->self.busnum, wIndex + 1, port_status);
-			*status |= USB_PORT_STAT_SUSPEND;
-			clear_bit(wIndex, &bus_state->rexit_ports);
+			/*
+			 * keep rexit_active set if U0 transition failed so we
+			 * know to report PORT_STAT_SUSPEND status back to
+			 * usbcore. It will be cleared later once the port is
+			 * out of RESUME/U3 state
+			 */
 		}
 
 		usb_hcd_end_port_resume(&hcd->self, wIndex);
 		bus_state->port_c_suspend |= 1 << wIndex;
 		bus_state->suspended_ports &= ~(1 << wIndex);
-	} else {
-		/*
-		 * The resume has been signaling for less than
-		 * USB_RESUME_TIME. Report the port status as SUSPEND,
-		 * let the usbcore check port status again and clear
-		 * resume signaling later.
-		 */
-		*status |= USB_PORT_STAT_SUSPEND;
 	}
+
 	return 0;
 }
 
@@ -961,19 +957,19 @@ static void xhci_get_usb3_port_status(struct xhci_port *port, u32 *status,
 		*status |= USB_PORT_STAT_C_CONFIG_ERROR << 16;
 
 	/* USB3 specific wPortStatus bits */
-	if (portsc & PORT_POWER) {
+	if (portsc & PORT_POWER)
 		*status |= USB_SS_PORT_STAT_POWER;
-		/* link state handling */
-		if (link_state == XDEV_U0)
-			bus_state->suspended_ports &= ~(1 << portnum);
-	}
 
-	/* remote wake resume signaling complete */
-	if (bus_state->port_remote_wakeup & (1 << portnum) &&
+	/* no longer suspended or resuming */
+	if (link_state != XDEV_U3 &&
 	    link_state != XDEV_RESUME &&
 	    link_state != XDEV_RECOVERY) {
-		bus_state->port_remote_wakeup &= ~(1 << portnum);
-		usb_hcd_end_port_resume(&hcd->self, portnum);
+		/* remote wake resume signaling complete */
+		if (bus_state->port_remote_wakeup & (1 << portnum)) {
+			bus_state->port_remote_wakeup &= ~(1 << portnum);
+			usb_hcd_end_port_resume(&hcd->self, portnum);
+		}
+		bus_state->suspended_ports &= ~(1 << portnum);
 	}
 
 	xhci_hub_report_usb3_link_state(xhci, status, portsc);
@@ -986,7 +982,7 @@ static void xhci_get_usb2_port_status(struct xhci_port *port, u32 *status,
 	struct xhci_bus_state *bus_state;
 	u32 link_state;
 	u32 portnum;
-	int ret;
+	int err;
 
 	bus_state = &port->rhub->bus_state;
 	link_state = portsc & PORT_PLS_MASK;
@@ -1002,22 +998,35 @@ static void xhci_get_usb2_port_status(struct xhci_port *port, u32 *status,
 		if (link_state == XDEV_U2)
 			*status |= USB_PORT_STAT_L1;
 		if (link_state == XDEV_U0) {
-			if (bus_state->resume_done[portnum])
-				usb_hcd_end_port_resume(&port->rhub->hcd->self,
-							portnum);
-			bus_state->resume_done[portnum] = 0;
-			clear_bit(portnum, &bus_state->resuming_ports);
 			if (bus_state->suspended_ports & (1 << portnum)) {
 				bus_state->suspended_ports &= ~(1 << portnum);
 				bus_state->port_c_suspend |= 1 << portnum;
 			}
 		}
 		if (link_state == XDEV_RESUME) {
-			ret = xhci_handle_usb2_port_link_resume(port, status,
-								portsc, flags);
-			if (ret)
-				return;
+			err = xhci_handle_usb2_port_link_resume(port, portsc,
+								flags);
+			if (err < 0)
+				*status = 0xffffffff;
+			else if (port->resume_timestamp || port->rexit_active)
+				*status |= USB_PORT_STAT_SUSPEND;
+		}
+	}
+
+	/*
+	 * Clear usb2 resume signalling variables if port is no longer suspended
+	 * or resuming. Port either resumed to U0/U1/U2, disconnected, or in a
+	 * error state. Resume related variables should be cleared in all those cases.
+	 */
+	if (link_state != XDEV_U3 && link_state != XDEV_RESUME) {
+		if (port->resume_timestamp ||
+		    test_bit(portnum, &bus_state->resuming_ports)) {
+			port->resume_timestamp = 0;
+			clear_bit(portnum, &bus_state->resuming_ports);
+			usb_hcd_end_port_resume(&port->rhub->hcd->self, portnum);
 		}
+		port->rexit_active = 0;
+		bus_state->suspended_ports &= ~(1 << portnum);
 	}
 }
 
@@ -1073,18 +1082,6 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 	else
 		xhci_get_usb2_port_status(port, &status, raw_port_status,
 					  flags);
-	/*
-	 * Clear stale usb2 resume signalling variables in case port changed
-	 * state during resume signalling. For example on error
-	 */
-	if ((bus_state->resume_done[wIndex] ||
-	     test_bit(wIndex, &bus_state->resuming_ports)) &&
-	    (raw_port_status & PORT_PLS_MASK) != XDEV_U3 &&
-	    (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) {
-		bus_state->resume_done[wIndex] = 0;
-		clear_bit(wIndex, &bus_state->resuming_ports);
-		usb_hcd_end_port_resume(&hcd->self, wIndex);
-	}
 
 	if (bus_state->port_c_suspend & (1 << wIndex))
 		status |= USB_PORT_STAT_C_SUSPEND << 16;
@@ -1108,11 +1105,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 	u16 test_mode = 0;
 	struct xhci_hub *rhub;
 	struct xhci_port **ports;
+	struct xhci_port *port;
+	int portnum1;
 
 	rhub = xhci_get_rhub(hcd);
 	ports = rhub->ports;
 	max_ports = rhub->num_ports;
 	bus_state = &rhub->bus_state;
+	portnum1 = wIndex & 0xff;
 
 	spin_lock_irqsave(&xhci->lock, flags);
 	switch (typeReq) {
@@ -1146,10 +1146,12 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		spin_unlock_irqrestore(&xhci->lock, flags);
 		return retval;
 	case GetPortStatus:
-		if (!wIndex || wIndex > max_ports)
+		if (!portnum1 || portnum1 > max_ports)
 			goto error;
+
 		wIndex--;
-		temp = readl(ports[wIndex]->addr);
+		port = ports[portnum1 - 1];
+		temp = readl(port->addr);
 		if (temp == ~(u32)0) {
 			xhci_hc_died(xhci);
 			retval = -ENODEV;
@@ -1162,7 +1164,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			goto error;
 
 		xhci_dbg(xhci, "Get port status %d-%d read: 0x%x, return 0x%x",
-			 hcd->self.busnum, wIndex + 1, temp, status);
+			 hcd->self.busnum, portnum1, temp, status);
 
 		put_unaligned(cpu_to_le32(status), (__le32 *) buf);
 		/* if USB 3.1 extended port status return additional 4 bytes */
@@ -1174,7 +1176,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 				retval = -EINVAL;
 				break;
 			}
-			port_li = readl(ports[wIndex]->addr + PORTLI);
+			port_li = readl(port->addr + PORTLI);
 			status = xhci_get_ext_port_status(temp, port_li);
 			put_unaligned_le32(status, &buf[4]);
 		}
@@ -1188,11 +1190,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			test_mode = (wIndex & 0xff00) >> 8;
 		/* The MSB of wIndex is the U1/U2 timeout */
 		timeout = (wIndex & 0xff00) >> 8;
+
 		wIndex &= 0xff;
-		if (!wIndex || wIndex > max_ports)
+		if (!portnum1 || portnum1 > max_ports)
 			goto error;
+
+		port = ports[portnum1 - 1];
 		wIndex--;
-		temp = readl(ports[wIndex]->addr);
+		temp = readl(port->addr);
 		if (temp == ~(u32)0) {
 			xhci_hc_died(xhci);
 			retval = -ENODEV;
@@ -1202,11 +1207,10 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		/* FIXME: What new port features do we need to support? */
 		switch (wValue) {
 		case USB_PORT_FEAT_SUSPEND:
-			temp = readl(ports[wIndex]->addr);
+			temp = readl(port->addr);
 			if ((temp & PORT_PLS_MASK) != XDEV_U0) {
 				/* Resume the port to U0 first */
-				xhci_set_link_state(xhci, ports[wIndex],
-							XDEV_U0);
+				xhci_set_link_state(xhci, port, XDEV_U0);
 				spin_unlock_irqrestore(&xhci->lock, flags);
 				msleep(10);
 				spin_lock_irqsave(&xhci->lock, flags);
@@ -1215,16 +1219,16 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			 * a port unless the port reports that it is in the
 			 * enabled (PED = ‘1’,PLS < ‘3’) state.
 			 */
-			temp = readl(ports[wIndex]->addr);
+			temp = readl(port->addr);
 			if ((temp & PORT_PE) == 0 || (temp & PORT_RESET)
 				|| (temp & PORT_PLS_MASK) >= XDEV_U3) {
 				xhci_warn(xhci, "USB core suspending port %d-%d not in U0/U1/U2\n",
-					  hcd->self.busnum, wIndex + 1);
+					  hcd->self.busnum, portnum1);
 				goto error;
 			}
 
 			slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-					wIndex + 1);
+							    portnum1);
 			if (!slot_id) {
 				xhci_warn(xhci, "slot_id is zero\n");
 				goto error;
@@ -1234,21 +1238,21 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			xhci_stop_device(xhci, slot_id, 1);
 			spin_lock_irqsave(&xhci->lock, flags);
 
-			xhci_set_link_state(xhci, ports[wIndex], XDEV_U3);
+			xhci_set_link_state(xhci, port, XDEV_U3);
 
 			spin_unlock_irqrestore(&xhci->lock, flags);
 			msleep(10); /* wait device to enter */
 			spin_lock_irqsave(&xhci->lock, flags);
 
-			temp = readl(ports[wIndex]->addr);
+			temp = readl(port->addr);
 			bus_state->suspended_ports |= 1 << wIndex;
 			break;
 		case USB_PORT_FEAT_LINK_STATE:
-			temp = readl(ports[wIndex]->addr);
+			temp = readl(port->addr);
 			/* Disable port */
 			if (link_state == USB_SS_PORT_LS_SS_DISABLED) {
 				xhci_dbg(xhci, "Disable port %d-%d\n",
-					 hcd->self.busnum, wIndex + 1);
+					 hcd->self.busnum, portnum1);
 				temp = xhci_port_state_to_neutral(temp);
 				/*
 				 * Clear all change bits, so that we get a new
@@ -1257,18 +1261,17 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 				temp |= PORT_CSC | PORT_PEC | PORT_WRC |
 					PORT_OCC | PORT_RC | PORT_PLC |
 					PORT_CEC;
-				writel(temp | PORT_PE, ports[wIndex]->addr);
-				temp = readl(ports[wIndex]->addr);
+				writel(temp | PORT_PE, port->addr);
+				temp = readl(port->addr);
 				break;
 			}
 
 			/* Put link in RxDetect (enable port) */
 			if (link_state == USB_SS_PORT_LS_RX_DETECT) {
 				xhci_dbg(xhci, "Enable port %d-%d\n",
-					 hcd->self.busnum, wIndex + 1);
-				xhci_set_link_state(xhci, ports[wIndex],
-							link_state);
-				temp = readl(ports[wIndex]->addr);
+					 hcd->self.busnum, portnum1);
+				xhci_set_link_state(xhci, port,	link_state);
+				temp = readl(port->addr);
 				break;
 			}
 
@@ -1298,11 +1301,10 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 				}
 
 				xhci_dbg(xhci, "Enable compliance mode transition for port %d-%d\n",
-					 hcd->self.busnum, wIndex + 1);
-				xhci_set_link_state(xhci, ports[wIndex],
-						link_state);
+					 hcd->self.busnum, portnum1);
+				xhci_set_link_state(xhci, port, link_state);
 
-				temp = readl(ports[wIndex]->addr);
+				temp = readl(port->addr);
 				break;
 			}
 			/* Port must be enabled */
@@ -1313,8 +1315,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			/* Can't set port link state above '3' (U3) */
 			if (link_state > USB_SS_PORT_LS_U3) {
 				xhci_warn(xhci, "Cannot set port %d-%d link state %d\n",
-					  hcd->self.busnum, wIndex + 1,
-					  link_state);
+					  hcd->self.busnum, portnum1, link_state);
 				goto error;
 			}
 
@@ -1336,30 +1337,29 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 				    pls == XDEV_RESUME ||
 				    pls == XDEV_RECOVERY) {
 					wait_u0 = true;
-					reinit_completion(&bus_state->u3exit_done[wIndex]);
+					reinit_completion(&port->u3exit_done);
 				}
 				if (pls <= XDEV_U3) /* U1, U2, U3 */
-					xhci_set_link_state(xhci, ports[wIndex],
-							    USB_SS_PORT_LS_U0);
+					xhci_set_link_state(xhci, port, USB_SS_PORT_LS_U0);
 				if (!wait_u0) {
 					if (pls > XDEV_U3)
 						goto error;
 					break;
 				}
 				spin_unlock_irqrestore(&xhci->lock, flags);
-				if (!wait_for_completion_timeout(&bus_state->u3exit_done[wIndex],
+				if (!wait_for_completion_timeout(&port->u3exit_done,
 								 msecs_to_jiffies(500)))
 					xhci_dbg(xhci, "missing U0 port change event for port %d-%d\n",
-						 hcd->self.busnum, wIndex + 1);
+						 hcd->self.busnum, portnum1);
 				spin_lock_irqsave(&xhci->lock, flags);
-				temp = readl(ports[wIndex]->addr);
+				temp = readl(port->addr);
 				break;
 			}
 
 			if (link_state == USB_SS_PORT_LS_U3) {
 				int retries = 16;
 				slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-						wIndex + 1);
+								    portnum1);
 				if (slot_id) {
 					/* unlock to execute stop endpoint
 					 * commands */
@@ -1368,16 +1368,16 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 					xhci_stop_device(xhci, slot_id, 1);
 					spin_lock_irqsave(&xhci->lock, flags);
 				}
-				xhci_set_link_state(xhci, ports[wIndex], USB_SS_PORT_LS_U3);
+				xhci_set_link_state(xhci, port, USB_SS_PORT_LS_U3);
 				spin_unlock_irqrestore(&xhci->lock, flags);
 				while (retries--) {
 					usleep_range(4000, 8000);
-					temp = readl(ports[wIndex]->addr);
+					temp = readl(port->addr);
 					if ((temp & PORT_PLS_MASK) == XDEV_U3)
 						break;
 				}
 				spin_lock_irqsave(&xhci->lock, flags);
-				temp = readl(ports[wIndex]->addr);
+				temp = readl(port->addr);
 				bus_state->suspended_ports |= 1 << wIndex;
 			}
 			break;
@@ -1392,39 +1392,38 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			break;
 		case USB_PORT_FEAT_RESET:
 			temp = (temp | PORT_RESET);
-			writel(temp, ports[wIndex]->addr);
+			writel(temp, port->addr);
 
-			temp = readl(ports[wIndex]->addr);
+			temp = readl(port->addr);
 			xhci_dbg(xhci, "set port reset, actual port %d-%d status  = 0x%x\n",
-				 hcd->self.busnum, wIndex + 1, temp);
+				 hcd->self.busnum, portnum1, temp);
 			break;
 		case USB_PORT_FEAT_REMOTE_WAKE_MASK:
-			xhci_set_remote_wake_mask(xhci, ports[wIndex],
-						  wake_mask);
-			temp = readl(ports[wIndex]->addr);
+			xhci_set_remote_wake_mask(xhci, port, wake_mask);
+			temp = readl(port->addr);
 			xhci_dbg(xhci, "set port remote wake mask, actual port %d-%d status  = 0x%x\n",
-				 hcd->self.busnum, wIndex + 1, temp);
+				 hcd->self.busnum, portnum1, temp);
 			break;
 		case USB_PORT_FEAT_BH_PORT_RESET:
 			temp |= PORT_WR;
-			writel(temp, ports[wIndex]->addr);
-			temp = readl(ports[wIndex]->addr);
+			writel(temp, port->addr);
+			temp = readl(port->addr);
 			break;
 		case USB_PORT_FEAT_U1_TIMEOUT:
 			if (hcd->speed < HCD_USB3)
 				goto error;
-			temp = readl(ports[wIndex]->addr + PORTPMSC);
+			temp = readl(port->addr + PORTPMSC);
 			temp &= ~PORT_U1_TIMEOUT_MASK;
 			temp |= PORT_U1_TIMEOUT(timeout);
-			writel(temp, ports[wIndex]->addr + PORTPMSC);
+			writel(temp, port->addr + PORTPMSC);
 			break;
 		case USB_PORT_FEAT_U2_TIMEOUT:
 			if (hcd->speed < HCD_USB3)
 				goto error;
-			temp = readl(ports[wIndex]->addr + PORTPMSC);
+			temp = readl(port->addr + PORTPMSC);
 			temp &= ~PORT_U2_TIMEOUT_MASK;
 			temp |= PORT_U2_TIMEOUT(timeout);
-			writel(temp, ports[wIndex]->addr + PORTPMSC);
+			writel(temp, port->addr + PORTPMSC);
 			break;
 		case USB_PORT_FEAT_TEST:
 			/* 4.19.6 Port Test Modes (USB2 Test Mode) */
@@ -1440,13 +1439,16 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			goto error;
 		}
 		/* unblock any posted writes */
-		temp = readl(ports[wIndex]->addr);
+		temp = readl(port->addr);
 		break;
 	case ClearPortFeature:
-		if (!wIndex || wIndex > max_ports)
+		if (!portnum1 || portnum1 > max_ports)
 			goto error;
+
+		port = ports[portnum1 - 1];
+
 		wIndex--;
-		temp = readl(ports[wIndex]->addr);
+		temp = readl(port->addr);
 		if (temp == ~(u32)0) {
 			xhci_hc_died(xhci);
 			retval = -ENODEV;
@@ -1456,7 +1458,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		temp = xhci_port_state_to_neutral(temp);
 		switch (wValue) {
 		case USB_PORT_FEAT_SUSPEND:
-			temp = readl(ports[wIndex]->addr);
+			temp = readl(port->addr);
 			xhci_dbg(xhci, "clear USB_PORT_FEAT_SUSPEND\n");
 			xhci_dbg(xhci, "PORTSC %04x\n", temp);
 			if (temp & PORT_RESET)
@@ -1467,20 +1469,18 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 
 				set_bit(wIndex, &bus_state->resuming_ports);
 				usb_hcd_start_port_resume(&hcd->self, wIndex);
-				xhci_set_link_state(xhci, ports[wIndex],
-						    XDEV_RESUME);
+				xhci_set_link_state(xhci, port, XDEV_RESUME);
 				spin_unlock_irqrestore(&xhci->lock, flags);
 				msleep(USB_RESUME_TIMEOUT);
 				spin_lock_irqsave(&xhci->lock, flags);
-				xhci_set_link_state(xhci, ports[wIndex],
-							XDEV_U0);
+				xhci_set_link_state(xhci, port, XDEV_U0);
 				clear_bit(wIndex, &bus_state->resuming_ports);
 				usb_hcd_end_port_resume(&hcd->self, wIndex);
 			}
 			bus_state->port_c_suspend |= 1 << wIndex;
 
 			slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-					wIndex + 1);
+					portnum1);
 			if (!slot_id) {
 				xhci_dbg(xhci, "slot_id is zero\n");
 				goto error;
@@ -1498,11 +1498,11 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		case USB_PORT_FEAT_C_PORT_LINK_STATE:
 		case USB_PORT_FEAT_C_PORT_CONFIG_ERROR:
 			xhci_clear_port_change_bit(xhci, wValue, wIndex,
-					ports[wIndex]->addr, temp);
+					port->addr, temp);
 			break;
 		case USB_PORT_FEAT_ENABLE:
 			xhci_disable_port(hcd, xhci, wIndex,
-					ports[wIndex]->addr, temp);
+					port->addr, temp);
 			break;
 		case USB_PORT_FEAT_POWER:
 			xhci_set_port_power(xhci, hcd, wIndex, false, &flags);
@@ -1586,8 +1586,8 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
 
 		if ((temp & mask) != 0 ||
 			(bus_state->port_c_suspend & 1 << i) ||
-			(bus_state->resume_done[i] && time_after_eq(
-			    jiffies, bus_state->resume_done[i]))) {
+			(ports[i]->resume_timestamp && time_after_eq(
+			    jiffies, ports[i]->resume_timestamp))) {
 			buf[(i + 1) / 8] |= 1 << (i + 1) % 8;
 			status = 1;
 		}
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 390bdf823e088539ebab6abe872d70ba8c1dfab0..006e1b15fbda9ee408a8061a8f869856ddbc9304 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2336,6 +2336,9 @@ static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags)
 		xhci->hw_ports[i].addr = &xhci->op_regs->port_status_base +
 			NUM_PORT_REGS * i;
 		xhci->hw_ports[i].hw_portnum = i;
+
+		init_completion(&xhci->hw_ports[i].rexit_done);
+		init_completion(&xhci->hw_ports[i].u3exit_done);
 	}
 
 	xhci->rh_bw = kcalloc_node(num_ports, sizeof(*xhci->rh_bw), flags,
@@ -2603,13 +2606,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 	 */
 	for (i = 0; i < MAX_HC_SLOTS; i++)
 		xhci->devs[i] = NULL;
-	for (i = 0; i < USB_MAXCHILDREN; i++) {
-		xhci->usb2_rhub.bus_state.resume_done[i] = 0;
-		xhci->usb3_rhub.bus_state.resume_done[i] = 0;
-		/* Only the USB 2.0 completions will ever be used. */
-		init_completion(&xhci->usb2_rhub.bus_state.rexit_done[i]);
-		init_completion(&xhci->usb3_rhub.bus_state.u3exit_done[i]);
-	}
 
 	if (scratchpad_alloc(xhci, flags))
 		goto fail;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 741702dfcf4f2330cdac52f009897d85437b887d..ecfd05c27c41d0d711e5d1b7335802f1ce16a6be 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1851,7 +1851,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 			goto cleanup;
 		} else if (!test_bit(hcd_portnum, &bus_state->resuming_ports)) {
 			xhci_dbg(xhci, "resume HS port %d\n", port_id);
-			bus_state->resume_done[hcd_portnum] = jiffies +
+			port->resume_timestamp = jiffies +
 				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			set_bit(hcd_portnum, &bus_state->resuming_ports);
 			/* Do the rest in GetPortStatus after resume time delay.
@@ -1860,7 +1860,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 			 */
 			set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
 			mod_timer(&hcd->rh_timer,
-				  bus_state->resume_done[hcd_portnum]);
+				  port->resume_timestamp);
 			usb_hcd_start_port_resume(&hcd->self, hcd_portnum);
 			bogus_port_status = true;
 		}
@@ -1872,7 +1872,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 	     (portsc & PORT_PLS_MASK) == XDEV_U1 ||
 	     (portsc & PORT_PLS_MASK) == XDEV_U2)) {
 		xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
-		complete(&bus_state->u3exit_done[hcd_portnum]);
+		complete(&port->u3exit_done);
 		/* We've just brought the device into U0/1/2 through either the
 		 * Resume state after a device remote wakeup, or through the
 		 * U3Exit state after a host-initiated resume.  If it's a device
@@ -1897,10 +1897,9 @@ static void handle_port_status(struct xhci_hcd *xhci,
 	 * RExit to a disconnect state).  If so, let the the driver know it's
 	 * out of the RExit state.
 	 */
-	if (!DEV_SUPERSPEED_ANY(portsc) && hcd->speed < HCD_USB3 &&
-			test_and_clear_bit(hcd_portnum,
-				&bus_state->rexit_ports)) {
-		complete(&bus_state->rexit_done[hcd_portnum]);
+	if (hcd->speed < HCD_USB3 && port->rexit_active) {
+		complete(&port->rexit_done);
+		port->rexit_active = false;
 		bogus_port_status = true;
 		goto cleanup;
 	}
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 580e0a8962757a337d3f47b019a9a165b85f0e9e..5a8443f6ed703e8a36149b10c0a2a9445cda343b 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1702,13 +1702,8 @@ struct xhci_bus_state {
 	u32			port_c_suspend;
 	u32			suspended_ports;
 	u32			port_remote_wakeup;
-	unsigned long		resume_done[USB_MAXCHILDREN];
 	/* which ports have started to resume */
 	unsigned long		resuming_ports;
-	/* Which ports are waiting on RExit to U0 transition. */
-	unsigned long		rexit_ports;
-	struct completion	rexit_done[USB_MAXCHILDREN];
-	struct completion	u3exit_done[USB_MAXCHILDREN];
 };
 
 
@@ -1732,6 +1727,10 @@ struct xhci_port {
 	struct xhci_hub		*rhub;
 	struct xhci_port_cap	*port_cap;
 	unsigned int		lpm_incapable:1;
+	unsigned long		resume_timestamp;
+	bool			rexit_active;
+	struct completion	rexit_done;
+	struct completion	u3exit_done;
 };
 
 struct xhci_hub {
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 83567e6e32e08bb52115cc65904ff6daec1e3314..3e0579d6ec82cddbc39f20057ee118df249ce63a 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -203,6 +203,9 @@ static void option_instat_callback(struct urb *urb);
 #define DELL_PRODUCT_5829E_ESIM			0x81e4
 #define DELL_PRODUCT_5829E			0x81e6
 
+#define DELL_PRODUCT_FM101R			0x8213
+#define DELL_PRODUCT_FM101R_ESIM		0x8215
+
 #define KYOCERA_VENDOR_ID			0x0c88
 #define KYOCERA_PRODUCT_KPC650			0x17da
 #define KYOCERA_PRODUCT_KPC680			0x180a
@@ -1108,6 +1111,8 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = RSVD(0) | RSVD(6) },
 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5829E_ESIM),
 	  .driver_info = RSVD(0) | RSVD(6) },
+	{ USB_DEVICE_INTERFACE_CLASS(DELL_VENDOR_ID, DELL_PRODUCT_FM101R, 0xff) },
+	{ USB_DEVICE_INTERFACE_CLASS(DELL_VENDOR_ID, DELL_PRODUCT_FM101R_ESIM, 0xff) },
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
@@ -1290,6 +1295,7 @@ static const struct usb_device_id option_ids[] = {
 	 .driver_info = NCTRL(0) | RSVD(3) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1033, 0xff),	/* Telit LE910C1-EUX (ECM) */
 	 .driver_info = NCTRL(0) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1035, 0xff) }, /* Telit LE910C4-WWX (ECM) */
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0),
 	  .driver_info = RSVD(0) | RSVD(1) | NCTRL(2) | RSVD(3) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG1),
@@ -2262,6 +2268,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) },			/* GosunCn GM500 ECM/NCM */
 	{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
 	{ } /* Terminating entry */
diff --git a/drivers/usb/typec/altmodes/Kconfig b/drivers/usb/typec/altmodes/Kconfig
index 60d375e9c3c7cb12a8a1b74541f5ae7de65c5d3a..1a6b5e872b0d98ce5e34d1bc66cc26f02bbc4720 100644
--- a/drivers/usb/typec/altmodes/Kconfig
+++ b/drivers/usb/typec/altmodes/Kconfig
@@ -4,6 +4,7 @@ menu "USB Type-C Alternate Mode drivers"
 
 config TYPEC_DP_ALTMODE
 	tristate "DisplayPort Alternate Mode driver"
+	depends on DRM
 	help
 	  DisplayPort USB Type-C Alternate Mode allows DisplayPort
 	  displays and adapters to be attached to the USB Type-C
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index 0d4b1c0eeefb3857c23956110ba2dd85f9f95c59..def903e9d2ab4b3a448ba243b7735f8117ff168e 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -11,8 +11,10 @@
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/module.h>
+#include <linux/property.h>
 #include <linux/usb/pd_vdo.h>
 #include <linux/usb/typec_dp.h>
+#include <drm/drm_connector.h>
 #include "displayport.h"
 
 #define DP_HEADER(_dp, cmd)		(VDO((_dp)->alt->svid, 1, cmd) | \
@@ -57,11 +59,13 @@ struct dp_altmode {
 	struct typec_displayport_data data;
 
 	enum dp_state state;
+	bool hpd;
 
 	struct mutex lock; /* device lock */
 	struct work_struct work;
 	struct typec_altmode *alt;
 	const struct typec_altmode *port;
+	struct fwnode_handle *connector_fwnode;
 };
 
 static int dp_altmode_notify(struct dp_altmode *dp)
@@ -122,6 +126,7 @@ static int dp_altmode_configure(struct dp_altmode *dp, u8 con)
 static int dp_altmode_status_update(struct dp_altmode *dp)
 {
 	bool configured = !!DP_CONF_GET_PIN_ASSIGN(dp->data.conf);
+	bool hpd = !!(dp->data.status & DP_STATUS_HPD_STATE);
 	u8 con = DP_STATUS_CONNECTION(dp->data.status);
 	int ret = 0;
 
@@ -134,6 +139,11 @@ static int dp_altmode_status_update(struct dp_altmode *dp)
 		ret = dp_altmode_configure(dp, con);
 		if (!ret)
 			dp->state = DP_STATE_CONFIGURE;
+	} else {
+		if (dp->hpd != hpd) {
+			drm_connector_oob_hotplug_event(dp->connector_fwnode);
+			dp->hpd = hpd;
+		}
 	}
 
 	return ret;
@@ -275,6 +285,11 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
 		case CMD_EXIT_MODE:
 			dp->data.status = 0;
 			dp->data.conf = 0;
+			if (dp->hpd) {
+				drm_connector_oob_hotplug_event(dp->connector_fwnode);
+				dp->hpd = false;
+				sysfs_notify(&dp->alt->dev.kobj, "displayport", "hpd");
+			}
 			break;
 		case DP_CMD_STATUS_UPDATE:
 			dp->data.status = *vdo;
@@ -526,6 +541,7 @@ static const struct attribute_group dp_altmode_group = {
 int dp_altmode_probe(struct typec_altmode *alt)
 {
 	const struct typec_altmode *port = typec_altmode_get_partner(alt);
+	struct fwnode_handle *fwnode;
 	struct dp_altmode *dp;
 	int ret;
 
@@ -554,6 +570,11 @@ int dp_altmode_probe(struct typec_altmode *alt)
 	alt->desc = "DisplayPort";
 	alt->ops = &dp_altmode_ops;
 
+	fwnode = dev_fwnode(alt->dev.parent->parent); /* typec_port fwnode */
+	dp->connector_fwnode = fwnode_find_reference(fwnode, "displayport", 0);
+	if (IS_ERR(dp->connector_fwnode))
+		dp->connector_fwnode = NULL;
+
 	typec_altmode_set_drvdata(alt, dp);
 
 	dp->state = DP_STATE_ENTER;
@@ -569,6 +590,13 @@ void dp_altmode_remove(struct typec_altmode *alt)
 
 	sysfs_remove_group(&alt->dev.kobj, &dp_altmode_group);
 	cancel_work_sync(&dp->work);
+
+	if (dp->connector_fwnode) {
+		if (dp->hpd)
+			drm_connector_oob_hotplug_event(dp->connector_fwnode);
+
+		fwnode_handle_put(dp->connector_fwnode);
+	}
 }
 EXPORT_SYMBOL_GPL(dp_altmode_remove);
 
diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index c8feff0ee8da99716013ad19fb22c587e7cf3167..eb32ff0910d3e659971bb0aa0423fcb112282ab5 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -3440,11 +3440,15 @@ static int atyfb_setup_generic(struct pci_dev *pdev, struct fb_info *info,
 	}
 
 	info->fix.mmio_start = raddr;
+#if defined(__i386__) || defined(__ia64__)
 	/*
 	 * By using strong UC we force the MTRR to never have an
 	 * effect on the MMIO region on both non-PAT and PAT systems.
 	 */
 	par->ati_regbase = ioremap_uc(info->fix.mmio_start, 0x1000);
+#else
+	par->ati_regbase = ioremap(info->fix.mmio_start, 0x1000);
+#endif
 	if (par->ati_regbase == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 661f12742e4f08feec207ce489da689ea74dd12d..d999a7cdb5409a24b62039ffeeffc66addede7a5 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1933,10 +1933,10 @@ static void uvesafb_exit(void)
 		}
 	}
 
-	cn_del_callback(&uvesafb_cn_id);
 	driver_remove_file(&uvesafb_driver.driver, &driver_attr_v86d);
 	platform_device_unregister(uvesafb_device);
 	platform_driver_unregister(&uvesafb_driver);
+	cn_del_callback(&uvesafb_cn_id);
 }
 
 module_exit(uvesafb_exit);
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 481611c09dae1cc3d850214d8806d54434f84bb6..935ea2f3dac7dba1d916a3899df6b7fe4dc42e81 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -402,7 +402,11 @@ static inline s64 towards_target(struct virtio_balloon *vb)
 	virtio_cread_le(vb->vdev, struct virtio_balloon_config, num_pages,
 			&num_pages);
 
-	target = num_pages;
+	/*
+	 * Aligned up to guest page size to avoid inflating and deflating
+	 * balloon endlessly.
+	 */
+	target = ALIGN(num_pages, VIRTIO_BALLOON_PAGES_PER_PAGE);
 	return target - vb->num_pages;
 }
 
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index 136f90dbad831afeed98e43c586b957b77b79a09..7fcc307fac725def6767657151cafac86bfa3b8a 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -596,14 +596,17 @@ static int virtio_mmio_probe(struct platform_device *pdev)
 	spin_lock_init(&vm_dev->lock);
 
 	vm_dev->base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(vm_dev->base))
-		return PTR_ERR(vm_dev->base);
+	if (IS_ERR(vm_dev->base)) {
+		rc = PTR_ERR(vm_dev->base);
+		goto free_vm_dev;
+	}
 
 	/* Check magic value */
 	magic = readl(vm_dev->base + VIRTIO_MMIO_MAGIC_VALUE);
 	if (magic != ('v' | 'i' << 8 | 'r' << 16 | 't' << 24)) {
 		dev_warn(&pdev->dev, "Wrong magic value 0x%08lx!\n", magic);
-		return -ENODEV;
+		rc = -ENODEV;
+		goto free_vm_dev;
 	}
 
 	/* Check device version */
@@ -611,7 +614,8 @@ static int virtio_mmio_probe(struct platform_device *pdev)
 	if (vm_dev->version < 1 || vm_dev->version > 2) {
 		dev_err(&pdev->dev, "Version %ld not supported!\n",
 				vm_dev->version);
-		return -ENXIO;
+		rc = -ENXIO;
+		goto free_vm_dev;
 	}
 
 	vm_dev->vdev.id.device = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_ID);
@@ -620,7 +624,8 @@ static int virtio_mmio_probe(struct platform_device *pdev)
 		 * virtio-mmio device with an ID 0 is a (dummy) placeholder
 		 * with no function. End probing now with no error reported.
 		 */
-		return -ENODEV;
+		rc = -ENODEV;
+		goto free_vm_dev;
 	}
 	vm_dev->vdev.id.vendor = readl(vm_dev->base + VIRTIO_MMIO_VENDOR_ID);
 
@@ -650,6 +655,10 @@ static int virtio_mmio_probe(struct platform_device *pdev)
 		put_device(&vm_dev->vdev.dev);
 
 	return rc;
+
+free_vm_dev:
+	kfree(vm_dev);
+	return rc;
 }
 
 static int virtio_mmio_remove(struct platform_device *pdev)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4d2f25ebe3048c64e55416fcc3e35b5b3143d520..8f62e171053ba86bd13d0cd72315c055556527cb 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1641,12 +1641,12 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans,
 		parent = ref->parent;
 	ref_root = ref->root;
 
-	if (node->ref_mod != 1) {
+	if (unlikely(node->ref_mod != 1)) {
 		btrfs_err(trans->fs_info,
-	"btree block(%llu) has %d references rather than 1: action %d ref_root %llu parent %llu",
+	"btree block %llu has %d references rather than 1: action %d ref_root %llu parent %llu",
 			  node->bytenr, node->ref_mod, node->action, ref_root,
 			  parent);
-		return -EIO;
+		return -EUCLEAN;
 	}
 	if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) {
 		BUG_ON(!extent_op || !extent_op->update_flags);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 930126b094add390c7dadd01af279a31e76a908d..cffd149faf63979249d642ebdce4f719a1df61c7 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3518,7 +3518,7 @@ static void get_block_group_info(struct list_head *groups_list,
 static long btrfs_ioctl_space_info(struct btrfs_fs_info *fs_info,
 				   void __user *arg)
 {
-	struct btrfs_ioctl_space_args space_args;
+	struct btrfs_ioctl_space_args space_args = { 0 };
 	struct btrfs_ioctl_space_info space;
 	struct btrfs_ioctl_space_info *dest;
 	struct btrfs_ioctl_space_info *dest_orig;
@@ -4858,7 +4858,7 @@ static int _btrfs_ioctl_send(struct file *file, void __user *argp, bool compat)
 
 	if (compat) {
 #if defined(CONFIG_64BIT) && defined(CONFIG_COMPAT)
-		struct btrfs_ioctl_send_args_32 args32;
+		struct btrfs_ioctl_send_args_32 args32 = { 0 };
 
 		ret = copy_from_user(&args32, argp, sizeof(args32));
 		if (ret)
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 9a8dc16673b43387a60cb33bfc111b8d16a0471d..10a0913ffb492bad04fa9aacbbbd1b8f387d7805 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4337,7 +4337,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
 	struct extent_buffer *leaf;
 	int slot;
 	int ins_nr = 0;
-	int start_slot;
+	int start_slot = 0;
 	int ret;
 
 	if (!(inode->flags & BTRFS_INODE_PREALLOC))
diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
index bcc611069308ac89a53ad60f5abae8f795ee387b..7d18b92688176f255648e0ecade5013c36a5e6c5 100644
--- a/fs/cifs/smbdirect.c
+++ b/fs/cifs/smbdirect.c
@@ -571,8 +571,13 @@ static struct rdma_cm_id *smbd_create_id(
 		log_rdma_event(ERR, "rdma_resolve_addr() failed %i\n", rc);
 		goto out;
 	}
-	wait_for_completion_interruptible_timeout(
+	rc = wait_for_completion_interruptible_timeout(
 		&info->ri_done, msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT));
+	/* e.g. if interrupted returns -ERESTARTSYS */
+	if (rc < 0) {
+		log_rdma_event(ERR, "rdma_resolve_addr timeout rc: %i\n", rc);
+		goto out;
+	}
 	rc = info->ri_rc;
 	if (rc) {
 		log_rdma_event(ERR, "rdma_resolve_addr() completed %i\n", rc);
@@ -585,8 +590,13 @@ static struct rdma_cm_id *smbd_create_id(
 		log_rdma_event(ERR, "rdma_resolve_route() failed %i\n", rc);
 		goto out;
 	}
-	wait_for_completion_interruptible_timeout(
+	rc = wait_for_completion_interruptible_timeout(
 		&info->ri_done, msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT));
+	/* e.g. if interrupted returns -ERESTARTSYS */
+	if (rc < 0)  {
+		log_rdma_event(ERR, "rdma_resolve_addr timeout rc: %i\n", rc);
+		goto out;
+	}
 	rc = info->ri_rc;
 	if (rc) {
 		log_rdma_event(ERR, "rdma_resolve_route() completed %i\n", rc);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index cf2018419634925eb1748404aa31878081036c24..4848d755363338d9d7f865f04f48e7ccec0640c4 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3538,8 +3538,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 	struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
 	struct ext4_super_block *es = sbi->s_es;
 	int bsbits, max;
-	ext4_lblk_t end;
-	loff_t size, start_off;
+	loff_t size, start_off, end;
 	loff_t orig_size __maybe_unused;
 	ext4_lblk_t start;
 	struct ext4_inode_info *ei = EXT4_I(ac->ac_inode);
@@ -3568,7 +3567,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 
 	/* first, let's learn actual file size
 	 * given current request is allocated */
-	size = ac->ac_o_ex.fe_logical + EXT4_C2B(sbi, ac->ac_o_ex.fe_len);
+	size = extent_logical_end(sbi, &ac->ac_o_ex);
 	size = size << bsbits;
 	if (size < i_size_read(ac->ac_inode))
 		size = i_size_read(ac->ac_inode);
@@ -3647,7 +3646,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 	/* check we don't cross already preallocated blocks */
 	rcu_read_lock();
 	list_for_each_entry_rcu(pa, &ei->i_prealloc_list, pa_inode_list) {
-		ext4_lblk_t pa_end;
+		loff_t pa_end;
 
 		if (pa->pa_deleted)
 			continue;
@@ -3657,8 +3656,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 			continue;
 		}
 
-		pa_end = pa->pa_lstart + EXT4_C2B(EXT4_SB(ac->ac_sb),
-						  pa->pa_len);
+		pa_end = pa_logical_end(EXT4_SB(ac->ac_sb), pa);
 
 		/* PA must not overlap original request */
 		BUG_ON(!(ac->ac_o_ex.fe_logical >= pa_end ||
@@ -3687,12 +3685,11 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 	/* XXX: extra loop to check we really don't overlap preallocations */
 	rcu_read_lock();
 	list_for_each_entry_rcu(pa, &ei->i_prealloc_list, pa_inode_list) {
-		ext4_lblk_t pa_end;
+		loff_t pa_end;
 
 		spin_lock(&pa->pa_lock);
 		if (pa->pa_deleted == 0) {
-			pa_end = pa->pa_lstart + EXT4_C2B(EXT4_SB(ac->ac_sb),
-							  pa->pa_len);
+			pa_end = pa_logical_end(EXT4_SB(ac->ac_sb), pa);
 			BUG_ON(!(start >= pa_end || end <= pa->pa_lstart));
 		}
 		spin_unlock(&pa->pa_lock);
@@ -3908,8 +3905,7 @@ ext4_mb_use_preallocated(struct ext4_allocation_context *ac)
 		/* all fields in this condition don't change,
 		 * so we can skip locking for them */
 		if (ac->ac_o_ex.fe_logical < pa->pa_lstart ||
-		    ac->ac_o_ex.fe_logical >= (pa->pa_lstart +
-					       EXT4_C2B(sbi, pa->pa_len)))
+		    ac->ac_o_ex.fe_logical >= pa_logical_end(sbi, pa))
 			continue;
 
 		/* non-extent files can't have physical blocks past 2^32 */
@@ -4154,8 +4150,11 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
 	pa = ac->ac_pa;
 
 	if (ac->ac_b_ex.fe_len < ac->ac_g_ex.fe_len) {
-		int new_bex_start;
-		int new_bex_end;
+		struct ext4_free_extent ex = {
+			.fe_logical = ac->ac_g_ex.fe_logical,
+			.fe_len = ac->ac_g_ex.fe_len,
+		};
+		loff_t orig_goal_end = extent_logical_end(sbi, &ex);
 
 		/* we can't allocate as much as normalizer wants.
 		 * so, found space must get proper lstart
@@ -4174,29 +4173,23 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
 		 *    still cover original start
 		 * 3. Else, keep the best ex at start of original request.
 		 */
-		new_bex_end = ac->ac_g_ex.fe_logical +
-			EXT4_C2B(sbi, ac->ac_g_ex.fe_len);
-		new_bex_start = new_bex_end - EXT4_C2B(sbi, ac->ac_b_ex.fe_len);
-		if (ac->ac_o_ex.fe_logical >= new_bex_start)
-			goto adjust_bex;
+		ex.fe_len = ac->ac_b_ex.fe_len;
 
-		new_bex_start = ac->ac_g_ex.fe_logical;
-		new_bex_end =
-			new_bex_start + EXT4_C2B(sbi, ac->ac_b_ex.fe_len);
-		if (ac->ac_o_ex.fe_logical < new_bex_end)
+		ex.fe_logical = orig_goal_end - EXT4_C2B(sbi, ex.fe_len);
+		if (ac->ac_o_ex.fe_logical >= ex.fe_logical)
 			goto adjust_bex;
 
-		new_bex_start = ac->ac_o_ex.fe_logical;
-		new_bex_end =
-			new_bex_start + EXT4_C2B(sbi, ac->ac_b_ex.fe_len);
+		ex.fe_logical = ac->ac_g_ex.fe_logical;
+		if (ac->ac_o_ex.fe_logical < extent_logical_end(sbi, &ex))
+			goto adjust_bex;
 
+		ex.fe_logical = ac->ac_o_ex.fe_logical;
 adjust_bex:
-		ac->ac_b_ex.fe_logical = new_bex_start;
+		ac->ac_b_ex.fe_logical = ex.fe_logical;
 
 		BUG_ON(ac->ac_o_ex.fe_logical < ac->ac_b_ex.fe_logical);
 		BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len);
-		BUG_ON(new_bex_end > (ac->ac_g_ex.fe_logical +
-				      EXT4_C2B(sbi, ac->ac_g_ex.fe_len)));
+		BUG_ON(extent_logical_end(sbi, &ex) > orig_goal_end);
 	}
 
 	/* preallocation can change ac_b_ex, thus we store actually
@@ -4727,7 +4720,7 @@ static void ext4_mb_group_or_file(struct ext4_allocation_context *ac)
 	if (unlikely(ac->ac_flags & EXT4_MB_HINT_GOAL_ONLY))
 		return;
 
-	size = ac->ac_o_ex.fe_logical + EXT4_C2B(sbi, ac->ac_o_ex.fe_len);
+	size = extent_logical_end(sbi, &ac->ac_o_ex);
 	isize = (i_size_read(ac->ac_inode) + ac->ac_sb->s_blocksize - 1)
 		>> bsbits;
 
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 7be6288e48ec25c012537d5741c97e889a8c5825..1e9c402189cb5a6a20d1b997e4f1035b7018352b 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -199,6 +199,20 @@ static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb,
 		(fex->fe_start << EXT4_SB(sb)->s_cluster_bits);
 }
 
+static inline loff_t extent_logical_end(struct ext4_sb_info *sbi,
+					struct ext4_free_extent *fex)
+{
+	/* Use loff_t to avoid end exceeding ext4_lblk_t max. */
+	return (loff_t)fex->fe_logical + EXT4_C2B(sbi, fex->fe_len);
+}
+
+static inline loff_t pa_logical_end(struct ext4_sb_info *sbi,
+				    struct ext4_prealloc_space *pa)
+{
+	/* Use loff_t to avoid end exceeding ext4_lblk_t max. */
+	return (loff_t)pa->pa_lstart + EXT4_C2B(sbi, pa->pa_len);
+}
+
 typedef int (*ext4_mballoc_query_range_fn)(
 	struct super_block		*sb,
 	ext4_group_t			agno,
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 21436721745b65da280f9a435acaef56736fc29c..ed6a3ed83755dd8c1e365a807b7c9c9190535a8f 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2633,31 +2633,44 @@ pnfs_should_return_unused_layout(struct pnfs_layout_hdr *lo,
 	return mode == 0;
 }
 
-static int
-pnfs_layout_return_unused_byserver(struct nfs_server *server, void *data)
+static int pnfs_layout_return_unused_byserver(struct nfs_server *server,
+					      void *data)
 {
 	const struct pnfs_layout_range *range = data;
+	const struct cred *cred;
 	struct pnfs_layout_hdr *lo;
 	struct inode *inode;
+	nfs4_stateid stateid;
+	enum pnfs_iomode iomode;
+
 restart:
 	rcu_read_lock();
 	list_for_each_entry_rcu(lo, &server->layouts, plh_layouts) {
-		if (!pnfs_layout_can_be_returned(lo) ||
+		inode = lo->plh_inode;
+		if (!inode || !pnfs_layout_can_be_returned(lo) ||
 		    test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags))
 			continue;
-		inode = lo->plh_inode;
 		spin_lock(&inode->i_lock);
-		if (!pnfs_should_return_unused_layout(lo, range)) {
+		if (!lo->plh_inode ||
+		    !pnfs_should_return_unused_layout(lo, range)) {
 			spin_unlock(&inode->i_lock);
 			continue;
 		}
+		pnfs_get_layout_hdr(lo);
+		pnfs_set_plh_return_info(lo, range->iomode, 0);
+		if (pnfs_mark_matching_lsegs_return(lo, &lo->plh_return_segs,
+						    range, 0) != 0 ||
+		    !pnfs_prepare_layoutreturn(lo, &stateid, &cred, &iomode)) {
+			spin_unlock(&inode->i_lock);
+			rcu_read_unlock();
+			pnfs_put_layout_hdr(lo);
+			cond_resched();
+			goto restart;
+		}
 		spin_unlock(&inode->i_lock);
-		inode = pnfs_grab_inode_layout_hdr(lo);
-		if (!inode)
-			continue;
 		rcu_read_unlock();
-		pnfs_mark_layout_for_return(inode, range);
-		iput(inode);
+		pnfs_send_layoutreturn(lo, &stateid, &cred, iomode, false);
+		pnfs_put_layout_hdr(lo);
 		cond_resched();
 		goto restart;
 	}
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 7ef3c87f8a23db0fecc6dbed80e28281f5a3a88f..65ac504595ba4087230e506feed2543f5892f703 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -243,7 +243,7 @@ static int ovl_set_timestamps(struct dentry *upperdentry, struct kstat *stat)
 {
 	struct iattr attr = {
 		.ia_valid =
-		     ATTR_ATIME | ATTR_MTIME | ATTR_ATIME_SET | ATTR_MTIME_SET,
+		     ATTR_ATIME | ATTR_MTIME | ATTR_ATIME_SET | ATTR_MTIME_SET | ATTR_CTIME,
 		.ia_atime = stat->atime,
 		.ia_mtime = stat->mtime,
 	};
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 928136556174c4e085a9d7a270eb167b697bd858..03d39532c708012e39f4519172eeac75429433d3 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1030,6 +1030,14 @@ struct drm_connector_funcs {
 	 */
 	void (*atomic_print_state)(struct drm_printer *p,
 				   const struct drm_connector_state *state);
+
+	/**
+	 * @oob_hotplug_event:
+	 *
+	 * This will get called when a hotplug-event for a drm-connector
+	 * has been received from a source outside the display driver / device.
+	 */
+	void (*oob_hotplug_event)(struct drm_connector *connector);
 };
 
 /**
@@ -1174,6 +1182,14 @@ struct drm_connector {
 	struct device *kdev;
 	/** @attr: sysfs attributes */
 	struct device_attribute *attr;
+	/**
+	 * @fwnode: associated fwnode supplied by platform firmware
+	 *
+	 * Drivers can set this to associate a fwnode with a connector, drivers
+	 * are expected to get a reference on the fwnode when setting this.
+	 * drm_connector_cleanup() will call fwnode_handle_put() on this.
+	 */
+	struct fwnode_handle *fwnode;
 
 	/**
 	 * @head:
@@ -1185,6 +1201,14 @@ struct drm_connector {
 	 */
 	struct list_head head;
 
+	/**
+	 * @global_connector_list_entry:
+	 *
+	 * Connector entry in the global connector-list, used by
+	 * drm_connector_find_by_fwnode().
+	 */
+	struct list_head global_connector_list_entry;
+
 	/** @base: base KMS object */
 	struct drm_mode_object base;
 
@@ -1596,6 +1620,7 @@ drm_connector_is_unregistered(struct drm_connector *connector)
 		DRM_CONNECTOR_UNREGISTERED;
 }
 
+void drm_connector_oob_hotplug_event(struct fwnode_handle *connector_fwnode);
 const char *drm_get_connector_type_name(unsigned int connector_type);
 const char *drm_get_connector_status_name(enum drm_connector_status status);
 const char *drm_get_subpixel_order_name(enum subpixel_order order);
diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index ee7ba5b5417e510580f8444d4c77d9ca38e93b96..a44f5adeaef5a74f00206ecca29bbacd9ae5005b 100644
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -150,6 +150,8 @@ extern int __must_check driver_create_file(struct device_driver *driver,
 extern void driver_remove_file(struct device_driver *driver,
 			       const struct driver_attribute *attr);
 
+int driver_set_override(struct device *dev, const char **override,
+			const char *s, size_t len);
 extern int __must_check driver_for_each_device(struct device_driver *drv,
 					       struct device *start,
 					       void *data,
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 5135d4b86cd6ace71dcd9b15b9e738a8aabc4709..f9bf374f96336dd1d321ad71e58556b0d4b6b2a3 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -307,6 +307,13 @@ struct resource *devm_request_free_mem_region(struct device *dev,
 struct resource *request_free_mem_region(struct resource *base,
 		unsigned long size, const char *name);
 
+static inline void irqresource_disabled(struct resource *res, u32 irq)
+{
+	res->start = irq;
+	res->end = irq;
+	res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET;
+}
+
 #ifdef CONFIG_IO_STRICT_DEVMEM
 void revoke_devmem(struct resource *res);
 #else
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 30d343b4a40a599f6095e172a4a506b22826e966..c0b976dd138b19896bcf9791734694848b6bc795 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -234,10 +234,10 @@ static inline void kasan_release_vmalloc(unsigned long start,
 					 unsigned long free_region_end) {}
 #endif
 
-#ifdef CONFIG_KASAN_INLINE
+#ifdef CONFIG_KASAN
 void kasan_non_canonical_hook(unsigned long addr);
-#else /* CONFIG_KASAN_INLINE */
+#else /* CONFIG_KASAN */
 static inline void kasan_non_canonical_hook(unsigned long addr) { }
-#endif /* CONFIG_KASAN_INLINE */
+#endif /* CONFIG_KASAN */
 
 #endif /* LINUX_KASAN_H */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 07e7280b5659059d9d46b92ecf5051b3b0c48b1c..03599f0778acbb422274533f3de5c8cfafb25be9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3975,7 +3975,7 @@ static __always_inline int ____dev_forward_skb(struct net_device *dev,
 		return NET_RX_DROP;
 	}
 
-	skb_scrub_packet(skb, true);
+	skb_scrub_packet(skb, !net_eq(dev_net(dev), dev_net(skb->dev)));
 	skb->priority = 0;
 	return 0;
 }
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 17f9cd5626c83035b37e6602def9172de9bebc55..e7a83b0218077c120ad1025f71654886ed838a8f 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -30,7 +30,11 @@ struct platform_device {
 	struct resource	*resource;
 
 	const struct platform_device_id	*id_entry;
-	char *driver_override; /* Driver name to force a match */
+	/*
+	 * Driver name to force a match.  Do not set directly, because core
+	 * frees it.  Use driver_set_override() to set or clear it.
+	 */
+	const char *driver_override;
 
 	/* MFD cell pointer */
 	struct mfd_cell *mfd_cell;
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index a68972b097b7224ebbf9ebe0ad234de804f6e28d..267533fecbdd92bd117efcf4c53fac24e123cb2e 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -41,7 +41,9 @@ struct rpmsg_channel_info {
  * rpmsg_device - device that belong to the rpmsg bus
  * @dev: the device struct
  * @id: device id (used to match between rpmsg drivers and devices)
- * @driver_override: driver name to force a match
+ * @driver_override: driver name to force a match; do not set directly,
+ *                   because core frees it; use driver_set_override() to
+ *                   set or clear it.
  * @src: local address
  * @dst: destination address
  * @ept: the rpmsg endpoint of this channel
@@ -50,7 +52,7 @@ struct rpmsg_channel_info {
 struct rpmsg_device {
 	struct device dev;
 	struct rpmsg_device_id id;
-	char *driver_override;
+	const char *driver_override;
 	u32 src;
 	u32 dst;
 	struct rpmsg_endpoint *ept;
@@ -113,6 +115,8 @@ struct rpmsg_driver {
 
 #if IS_ENABLED(CONFIG_RPMSG)
 
+int rpmsg_register_device_override(struct rpmsg_device *rpdev,
+				   const char *driver_override);
 int register_rpmsg_device(struct rpmsg_device *dev);
 void unregister_rpmsg_device(struct rpmsg_device *dev);
 int __register_rpmsg_driver(struct rpmsg_driver *drv, struct module *owner);
@@ -137,6 +141,12 @@ __poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp,
 
 #else
 
+static inline int rpmsg_register_device_override(struct rpmsg_device *rpdev,
+						 const char *driver_override)
+{
+	return -ENXIO;
+}
+
 static inline int register_rpmsg_device(struct rpmsg_device *dev)
 {
 	return -ENXIO;
diff --git a/include/linux/usb.h b/include/linux/usb.h
index bc59237727033534fe856b0e42bf2ad33394b6a1..8bc1119afc3176208548f5c65c267ac0cca00dc8 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -565,6 +565,7 @@ struct usb3_lpm_parameters {
  * @speed: device speed: high/full/low (or error)
  * @rx_lanes: number of rx lanes in use, USB 3.2 adds dual-lane support
  * @tx_lanes: number of tx lanes in use, USB 3.2 adds dual-lane support
+ * @ssp_rate: SuperSpeed Plus phy signaling rate and lane count
  * @tt: Transaction Translator info; used with low/full speed dev, highspeed hub
  * @ttport: device port on that tt hub
  * @toggle: one bit for each endpoint, with ([0] = IN, [1] = OUT) endpoints
@@ -642,6 +643,7 @@ struct usb_device {
 	enum usb_device_speed	speed;
 	unsigned int		rx_lanes;
 	unsigned int		tx_lanes;
+	enum usb_ssp_rate	ssp_rate;
 
 	struct usb_tt	*tt;
 	int		ttport;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 11a92bb4d7a9f5ad6f968e429718e54af020ac2a..e33433ec4a98f673e4d108e1ac61f57465e9063c 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -287,7 +287,7 @@ struct hci_dev {
 	struct list_head list;
 	struct mutex	lock;
 
-	char		name[8];
+	const char	*name;
 	unsigned long	flags;
 	__u16		id;
 	__u8		bus;
diff --git a/include/net/bluetooth/hci_mon.h b/include/net/bluetooth/hci_mon.h
index 2d5fcda1bcd057d776457067941a09ba25ed8d34..082f89531b8896e8fdcc618d9b63e2ab5d062c41 100644
--- a/include/net/bluetooth/hci_mon.h
+++ b/include/net/bluetooth/hci_mon.h
@@ -56,7 +56,7 @@ struct hci_mon_new_index {
 	__u8		type;
 	__u8		bus;
 	bdaddr_t	bdaddr;
-	char		name[8];
+	char		name[8] __nonstring;
 } __packed;
 #define HCI_MON_NEW_INDEX_SIZE 16
 
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 088f257cd6fb3e5d754c5b5e58f28c9fd7e9c834..0d3cb34c7abc5dfe8e30ac921c1bb7ba3e002232 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -151,6 +151,7 @@ struct fib_info {
 	int			fib_nhs;
 	bool			fib_nh_is_v6;
 	bool			nh_updated;
+	bool			pfsrc_removed;
 	struct nexthop		*nh;
 	struct rcu_head		rcu;
 	struct fib_nh		fib_nh[];
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 69e4161462fb439571b1584b03beb94d169925e1..7b87da22b2950a71fa30bc2b4482ca67a56aaee9 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -49,6 +49,7 @@ struct netns_xfrm {
 	struct list_head	policy_all;
 	struct hlist_head	*policy_byidx;
 	unsigned int		policy_idx_hmask;
+	unsigned int		idx_generator;
 	struct hlist_head	policy_inexact[XFRM_POLICY_MAX];
 	struct xfrm_policy_hash	policy_bydst[XFRM_POLICY_MAX];
 	unsigned int		policy_count[XFRM_POLICY_MAX * 2];
diff --git a/include/net/tcp.h b/include/net/tcp.h
index c20b2ee50f5d6fb86218b6c794aa220204e8ea31..68283d6425e8144e3a3914b01b63a4af6ff5bc3e 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -143,6 +143,9 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCP_RTO_MAX	((unsigned)(120*HZ))
 #define TCP_RTO_MIN	((unsigned)(HZ/5))
 #define TCP_TIMEOUT_MIN	(2U) /* Min timeout for TCP timers in jiffies */
+
+#define TCP_TIMEOUT_MIN_US (2*USEC_PER_MSEC) /* Min TCP timeout in microsecs */
+
 #define TCP_TIMEOUT_INIT ((unsigned)(1*HZ))	/* RFC6298 2.1 initial RTO value	*/
 #define TCP_TIMEOUT_FALLBACK ((unsigned)(3*HZ))	/* RFC 1122 initial RTO value, now
 						 * used as a fallback RTO for the
diff --git a/include/trace/events/neigh.h b/include/trace/events/neigh.h
index 62bb17516713f52e44af754c583467c52ac35dc4..5ade62ac49b470263712eddb45133d740c348e55 100644
--- a/include/trace/events/neigh.h
+++ b/include/trace/events/neigh.h
@@ -39,7 +39,6 @@ TRACE_EVENT(neigh_create,
 	),
 
 	TP_fast_assign(
-		struct in6_addr *pin6;
 		__be32 *p32;
 
 		__entry->family = tbl->family;
@@ -47,7 +46,6 @@ TRACE_EVENT(neigh_create,
 		__entry->entries = atomic_read(&tbl->gc_entries);
 		__entry->created = n != NULL;
 		__entry->gc_exempt = exempt_from_gc;
-		pin6 = (struct in6_addr *)__entry->primary_key6;
 		p32 = (__be32 *)__entry->primary_key4;
 
 		if (tbl->family == AF_INET)
@@ -57,6 +55,8 @@ TRACE_EVENT(neigh_create,
 
 #if IS_ENABLED(CONFIG_IPV6)
 		if (tbl->family == AF_INET6) {
+			struct in6_addr *pin6;
+
 			pin6 = (struct in6_addr *)__entry->primary_key6;
 			*pin6 = *(struct in6_addr *)pkey;
 		}
diff --git a/include/uapi/linux/gtp.h b/include/uapi/linux/gtp.h
index 79f9191bbb24cb9cd69d11cbc4dfa46725db6bb0..82d0e58ec3ce2e4746dd654c9e8ee539fbb9f243 100644
--- a/include/uapi/linux/gtp.h
+++ b/include/uapi/linux/gtp.h
@@ -32,6 +32,6 @@ enum gtp_attrs {
 	GTPA_PAD,
 	__GTPA_MAX,
 };
-#define GTPA_MAX (__GTPA_MAX + 1)
+#define GTPA_MAX (__GTPA_MAX - 1)
 
 #endif /* _UAPI_LINUX_GTP_H_ */
diff --git a/kernel/events/core.c b/kernel/events/core.c
index d2afecb5f4795e5944b87d24cf603ea2f8c85b3d..0a6855d64803175f2f29edc8c3a56443a5427c26 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -12876,7 +12876,8 @@ static int inherit_group(struct perf_event *parent_event,
 		    !perf_get_aux_event(child_ctr, leader))
 			return -EINVAL;
 	}
-	leader->group_generation = parent_event->group_generation;
+	if (leader)
+		leader->group_generation = parent_event->group_generation;
 	return 0;
 }
 
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 970d25fe9db5a7ae7b40b3728763ed6694807734..4b5a8d7275be7ddb982be7613b15962acb7cf03c 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2463,6 +2463,7 @@ void trace_event_eval_update(struct trace_eval_map **map, int len)
 				update_event_printk(call, map[i]);
 			}
 		}
+		cond_resched();
 	}
 	up_write(&trace_event_sem);
 }
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index b882c6519b035b08832e13d450848c76ee57fb25..37e1ec1d3ee547d616a2a3042291c347d670f366 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -952,7 +952,7 @@ EXPORT_SYMBOL_GPL(kprobe_event_cmd_init);
  * @name: The name of the kprobe event
  * @loc: The location of the kprobe event
  * @kretprobe: Is this a return probe?
- * @args: Variable number of arg (pairs), one pair for each field
+ * @...: Variable number of arg (pairs), one pair for each field
  *
  * NOTE: Users normally won't want to call this function directly, but
  * rather use the kprobe_event_gen_cmd_start() wrapper, which automatically
@@ -1025,7 +1025,7 @@ EXPORT_SYMBOL_GPL(__kprobe_event_gen_cmd_start);
 /**
  * __kprobe_event_add_fields - Add probe fields to a kprobe command from arg list
  * @cmd: A pointer to the dynevent_cmd struct representing the new event
- * @args: Variable number of arg (pairs), one pair for each field
+ * @...: Variable number of arg (pairs), one pair for each field
  *
  * NOTE: Users normally won't want to call this function directly, but
  * rather use the kprobe_event_add_fields() wrapper, which
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 19c28a34c5f1d322214cb831f6ee5c4111985c39..24ca61cf86ddc4ccce85cb098b56e8df34cac031 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1136,13 +1136,16 @@ config DEBUG_TIMEKEEPING
 config DEBUG_PREEMPT
 	bool "Debug preemptible kernel"
 	depends on DEBUG_KERNEL && PREEMPTION && TRACE_IRQFLAGS_SUPPORT
-	default y
 	help
 	  If you say Y here then the kernel will use a debug variant of the
 	  commonly used smp_processor_id() function and will print warnings
 	  if kernel code uses it in a preemption-unsafe way. Also, the kernel
 	  will detect preemption count underflows.
 
+	  This option has potential to introduce high runtime overhead,
+	  depending on workload as it triggers debugging routines for each
+	  this_cpu operation. It should only be used for debugging purposes.
+
 menu "Lock Debugging (spinlocks, mutexes, etc...)"
 
 config LOCK_DEBUGGING_SUPPORT
diff --git a/lib/kobject.c b/lib/kobject.c
index cd3e1a98eff9e43dac67afc8bfa27172b37b5548..73047e847e9126f3451526835d0537384577cc9b 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -144,7 +144,7 @@ static int get_kobj_path_length(struct kobject *kobj)
 	return length;
 }
 
-static void fill_kobj_path(struct kobject *kobj, char *path, int length)
+static int fill_kobj_path(struct kobject *kobj, char *path, int length)
 {
 	struct kobject *parent;
 
@@ -153,12 +153,16 @@ static void fill_kobj_path(struct kobject *kobj, char *path, int length)
 		int cur = strlen(kobject_name(parent));
 		/* back up enough to print this name with '/' */
 		length -= cur;
+		if (length <= 0)
+			return -EINVAL;
 		memcpy(path + length, kobject_name(parent), cur);
 		*(path + --length) = '/';
 	}
 
 	pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj),
 		 kobj, __func__, path);
+
+	return 0;
 }
 
 /**
@@ -173,13 +177,17 @@ char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)
 	char *path;
 	int len;
 
+retry:
 	len = get_kobj_path_length(kobj);
 	if (len == 0)
 		return NULL;
 	path = kzalloc(len, gfp_mask);
 	if (!path)
 		return NULL;
-	fill_kobj_path(kobj, path, len);
+	if (fill_kobj_path(kobj, path, len)) {
+		kfree(path);
+		goto retry;
+	}
 
 	return path;
 }
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 2f5e96ac4d00817fac2dadb725e93e630158704e..98b08807c9c264875d620512ba25c21b4e11f872 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -560,9 +560,8 @@ bool kasan_report(unsigned long addr, size_t size, bool is_write,
 	return ret;
 }
 
-#ifdef CONFIG_KASAN_INLINE
 /*
- * With CONFIG_KASAN_INLINE, accesses to bogus pointers (outside the high
+ * With CONFIG_KASAN, accesses to bogus pointers (outside the high
  * canonical half of the address space) cause out-of-bounds shadow memory reads
  * before the actual access. For addresses in the low canonical half of the
  * address space, as well as most non-canonical addresses, that out-of-bounds
@@ -598,4 +597,3 @@ void kasan_non_canonical_hook(unsigned long addr)
 	pr_alert("KASAN: %s in range [0x%016lx-0x%016lx]\n", bug_type,
 		 orig_addr, orig_addr + KASAN_SHADOW_MASK);
 }
-#endif
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 494106c6d36b61d5ea2a467889aee13efb93ca6f..52baf8c57e6258c78003e92ba413d5cccc2e14dc 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1283,6 +1283,8 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
 	struct page *page, *head;
 	int ret = 0;
 	LIST_HEAD(source);
+	static DEFINE_RATELIMIT_STATE(migrate_rs, DEFAULT_RATELIMIT_INTERVAL,
+				      DEFAULT_RATELIMIT_BURST);
 
 	for (pfn = start_pfn; pfn < end_pfn; pfn++) {
 		if (!pfn_valid(pfn))
@@ -1329,8 +1331,10 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
 						    page_is_file_lru(page));
 
 		} else {
-			pr_warn("failed to isolate pfn %lx\n", pfn);
-			dump_page(page, "isolation failed");
+			if (__ratelimit(&migrate_rs)) {
+				pr_warn("failed to isolate pfn %lx\n", pfn);
+				dump_page(page, "isolation failed");
+			}
 		}
 		put_page(page);
 	}
@@ -1359,9 +1363,11 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
 			(unsigned long)&mtc, MIGRATE_SYNC, MR_MEMORY_HOTPLUG);
 		if (ret) {
 			list_for_each_entry(page, &source, lru) {
-				pr_warn("migrating pfn %lx failed ret:%d ",
-				       page_to_pfn(page), ret);
-				dump_page(page, "migration failure");
+				if (__ratelimit(&migrate_rs)) {
+					pr_warn("migrating pfn %lx failed ret:%d\n",
+						page_to_pfn(page), ret);
+					dump_page(page, "migration failure");
+				}
 			}
 			putback_movable_pages(&source);
 		}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6993c6b27dcfa81d59d91a582e534928f7980689..fabeabbb120064c249215f336768307fed3e851e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -9023,6 +9023,7 @@ static void break_down_buddy_pages(struct zone *zone, struct page *page,
 			next_page = page;
 			current_buddy = page + size;
 		}
+		page = next_page;
 
 		if (set_page_guard(zone, current_buddy, high, migratetype))
 			continue;
@@ -9030,7 +9031,6 @@ static void break_down_buddy_pages(struct zone *zone, struct page *page,
 		if (current_buddy != target) {
 			add_to_free_list(current_buddy, zone, high, migratetype);
 			set_buddy_order(current_buddy, high);
-			page = next_page;
 		}
 	}
 }
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 140d9764c77e3389955bfa1fc39957210b670aec..a9f6089a2ae2a907f524af9525967b38d818dc18 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1249,6 +1249,15 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
 		return ERR_PTR(-EOPNOTSUPP);
 	}
 
+	/* Reject outgoing connection to device with same BD ADDR against
+	 * CVE-2020-26555
+	 */
+	if (!bacmp(&hdev->bdaddr, dst)) {
+		bt_dev_dbg(hdev, "Reject connection with same BD_ADDR %pMR\n",
+			   dst);
+		return ERR_PTR(-ECONNREFUSED);
+	}
+
 	acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
 	if (!acl) {
 		acl = hci_conn_add(hdev, ACL_LINK, dst, HCI_ROLE_MASTER);
@@ -1426,34 +1435,41 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
 	if (!test_bit(HCI_CONN_AUTH, &conn->flags))
 		goto auth;
 
-	/* An authenticated FIPS approved combination key has sufficient
-	 * security for security level 4. */
-	if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256 &&
-	    sec_level == BT_SECURITY_FIPS)
-		goto encrypt;
-
-	/* An authenticated combination key has sufficient security for
-	   security level 3. */
-	if ((conn->key_type == HCI_LK_AUTH_COMBINATION_P192 ||
-	     conn->key_type == HCI_LK_AUTH_COMBINATION_P256) &&
-	    sec_level == BT_SECURITY_HIGH)
-		goto encrypt;
-
-	/* An unauthenticated combination key has sufficient security for
-	   security level 1 and 2. */
-	if ((conn->key_type == HCI_LK_UNAUTH_COMBINATION_P192 ||
-	     conn->key_type == HCI_LK_UNAUTH_COMBINATION_P256) &&
-	    (sec_level == BT_SECURITY_MEDIUM || sec_level == BT_SECURITY_LOW))
-		goto encrypt;
-
-	/* A combination key has always sufficient security for the security
-	   levels 1 or 2. High security level requires the combination key
-	   is generated using maximum PIN code length (16).
-	   For pre 2.1 units. */
-	if (conn->key_type == HCI_LK_COMBINATION &&
-	    (sec_level == BT_SECURITY_MEDIUM || sec_level == BT_SECURITY_LOW ||
-	     conn->pin_length == 16))
-		goto encrypt;
+	switch (conn->key_type) {
+	case HCI_LK_AUTH_COMBINATION_P256:
+		/* An authenticated FIPS approved combination key has
+		 * sufficient security for security level 4 or lower.
+		 */
+		if (sec_level <= BT_SECURITY_FIPS)
+			goto encrypt;
+		break;
+	case HCI_LK_AUTH_COMBINATION_P192:
+		/* An authenticated combination key has sufficient security for
+		 * security level 3 or lower.
+		 */
+		if (sec_level <= BT_SECURITY_HIGH)
+			goto encrypt;
+		break;
+	case HCI_LK_UNAUTH_COMBINATION_P192:
+	case HCI_LK_UNAUTH_COMBINATION_P256:
+		/* An unauthenticated combination key has sufficient security
+		 * for security level 2 or lower.
+		 */
+		if (sec_level <= BT_SECURITY_MEDIUM)
+			goto encrypt;
+		break;
+	case HCI_LK_COMBINATION:
+		/* A combination key has always sufficient security for the
+		 * security levels 2 or lower. High security level requires the
+		 * combination key is generated using maximum PIN code length
+		 * (16). For pre 2.1 units.
+		 */
+		if (sec_level <= BT_SECURITY_MEDIUM || conn->pin_length == 16)
+			goto encrypt;
+		break;
+	default:
+		break;
+	}
 
 auth:
 	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2ca8909bc5753aae63b6cbefc0e9840687d6cf4a..b9cf5bc9364c1370c625c9fc20fa4e9529c08222 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3735,7 +3735,11 @@ int hci_register_dev(struct hci_dev *hdev)
 	if (id < 0)
 		return id;
 
-	snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
+	error = dev_set_name(&hdev->dev, "hci%u", id);
+	if (error)
+		return error;
+
+	hdev->name = dev_name(&hdev->dev);
 	hdev->id = id;
 
 	BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
@@ -3757,8 +3761,6 @@ int hci_register_dev(struct hci_dev *hdev)
 	if (!IS_ERR_OR_NULL(bt_debugfs))
 		hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
 
-	dev_set_name(&hdev->dev, "%s", hdev->name);
-
 	error = device_add(&hdev->dev);
 	if (error < 0)
 		goto err_wqueue;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index eb111504afc60dd8513a8d0aa81e37dd4b9c6095..ad5294de975948b7bd14ccc599beddbcf90466b1 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -25,6 +25,8 @@
 /* Bluetooth HCI event handling. */
 
 #include <asm/unaligned.h>
+#include <linux/crypto.h>
+#include <crypto/algapi.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
@@ -2701,6 +2703,16 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
 	       ev->link_type);
 
+	/* Reject incoming connection from device with same BD ADDR against
+	 * CVE-2020-26555
+	 */
+	if (hdev && !bacmp(&hdev->bdaddr, &ev->bdaddr)) {
+		bt_dev_dbg(hdev, "Reject connection with same BD_ADDR %pMR\n",
+			   &ev->bdaddr);
+		hci_reject_conn(hdev, &ev->bdaddr);
+		return;
+	}
+
 	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
 				      &flags);
 
@@ -4065,6 +4077,15 @@ static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (!conn)
 		goto unlock;
 
+	/* Ignore NULL link key against CVE-2020-26555 */
+	if (!crypto_memneq(ev->link_key, ZERO_KEY, HCI_LINK_KEY_SIZE)) {
+		bt_dev_dbg(hdev, "Ignore NULL link key (ZERO KEY) for %pMR",
+			   &ev->bdaddr);
+		hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
+		hci_conn_drop(conn);
+		goto unlock;
+	}
+
 	hci_conn_hold(conn);
 	conn->disc_timeout = HCI_DISCONN_TIMEOUT;
 	hci_conn_drop(conn);
@@ -4569,8 +4590,8 @@ static u8 bredr_oob_data_present(struct hci_conn *conn)
 		 * available, then do not declare that OOB data is
 		 * present.
 		 */
-		if (!memcmp(data->rand256, ZERO_KEY, 16) ||
-		    !memcmp(data->hash256, ZERO_KEY, 16))
+		if (!crypto_memneq(data->rand256, ZERO_KEY, 16) ||
+		    !crypto_memneq(data->hash256, ZERO_KEY, 16))
 			return 0x00;
 
 		return 0x02;
@@ -4580,8 +4601,8 @@ static u8 bredr_oob_data_present(struct hci_conn *conn)
 	 * not supported by the hardware, then check that if
 	 * P-192 data values are present.
 	 */
-	if (!memcmp(data->rand192, ZERO_KEY, 16) ||
-	    !memcmp(data->hash192, ZERO_KEY, 16))
+	if (!crypto_memneq(data->rand192, ZERO_KEY, 16) ||
+	    !crypto_memneq(data->hash192, ZERO_KEY, 16))
 		return 0x00;
 
 	return 0x01;
@@ -4597,7 +4618,7 @@ static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
-	if (!conn)
+	if (!conn || !hci_conn_ssp_enabled(conn))
 		goto unlock;
 
 	hci_conn_hold(conn);
@@ -4842,7 +4863,7 @@ static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
-	if (!conn)
+	if (!conn || !hci_conn_ssp_enabled(conn))
 		goto unlock;
 
 	/* Reset the authentication requirement to unknown */
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index eafb2bebc12cbaf2c973da7db0f0a329b6e307ac..04db39f67c90e27c9deb6ced774cd9eb614a987e 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -438,7 +438,8 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
 		ni->type = hdev->dev_type;
 		ni->bus = hdev->bus;
 		bacpy(&ni->bdaddr, &hdev->bdaddr);
-		memcpy(ni->name, hdev->name, 8);
+		memcpy_and_pad(ni->name, sizeof(ni->name), hdev->name,
+			       strnlen(hdev->name, sizeof(ni->name)), '\0');
 
 		opcode = cpu_to_le16(HCI_MON_NEW_INDEX);
 		break;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 6553425be38ac119846dd3b527adaeebf60f3765..4585e6d666dc10d16d958df8ff1fe73a6b61d2c7 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -224,7 +224,8 @@ bool neigh_remove_one(struct neighbour *ndel, struct neigh_table *tbl)
 
 static int neigh_forced_gc(struct neigh_table *tbl)
 {
-	int max_clean = atomic_read(&tbl->gc_entries) - tbl->gc_thresh2;
+	int max_clean = atomic_read(&tbl->gc_entries) -
+			READ_ONCE(tbl->gc_thresh2);
 	unsigned long tref = jiffies - 5 * HZ;
 	struct neighbour *n, *tmp;
 	int shrunk = 0;
@@ -253,7 +254,7 @@ static int neigh_forced_gc(struct neigh_table *tbl)
 		}
 	}
 
-	tbl->last_flush = jiffies;
+	WRITE_ONCE(tbl->last_flush, jiffies);
 
 	write_unlock_bh(&tbl->lock);
 
@@ -409,17 +410,17 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl,
 {
 	struct neighbour *n = NULL;
 	unsigned long now = jiffies;
-	int entries;
+	int entries, gc_thresh3;
 
 	if (exempt_from_gc)
 		goto do_alloc;
 
 	entries = atomic_inc_return(&tbl->gc_entries) - 1;
-	if (entries >= tbl->gc_thresh3 ||
-	    (entries >= tbl->gc_thresh2 &&
-	     time_after(now, tbl->last_flush + 5 * HZ))) {
-		if (!neigh_forced_gc(tbl) &&
-		    entries >= tbl->gc_thresh3) {
+	gc_thresh3 = READ_ONCE(tbl->gc_thresh3);
+	if (entries >= gc_thresh3 ||
+	    (entries >= READ_ONCE(tbl->gc_thresh2) &&
+	     time_after(now, READ_ONCE(tbl->last_flush) + 5 * HZ))) {
+		if (!neigh_forced_gc(tbl) && entries >= gc_thresh3) {
 			net_info_ratelimited("%s: neighbor table overflow!\n",
 					     tbl->id);
 			NEIGH_CACHE_STAT_INC(tbl, table_fulls);
@@ -902,13 +903,14 @@ static void neigh_periodic_work(struct work_struct *work)
 
 	if (time_after(jiffies, tbl->last_rand + 300 * HZ)) {
 		struct neigh_parms *p;
-		tbl->last_rand = jiffies;
+
+		WRITE_ONCE(tbl->last_rand, jiffies);
 		list_for_each_entry(p, &tbl->parms_list, list)
 			p->reachable_time =
 				neigh_rand_reach_time(NEIGH_VAR(p, BASE_REACHABLE_TIME));
 	}
 
-	if (atomic_read(&tbl->entries) < tbl->gc_thresh1)
+	if (atomic_read(&tbl->entries) < READ_ONCE(tbl->gc_thresh1))
 		goto out;
 
 	for (i = 0 ; i < (1 << nht->hash_shift); i++) {
@@ -2060,15 +2062,16 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
 	ndtmsg->ndtm_pad2   = 0;
 
 	if (nla_put_string(skb, NDTA_NAME, tbl->id) ||
-	    nla_put_msecs(skb, NDTA_GC_INTERVAL, tbl->gc_interval, NDTA_PAD) ||
-	    nla_put_u32(skb, NDTA_THRESH1, tbl->gc_thresh1) ||
-	    nla_put_u32(skb, NDTA_THRESH2, tbl->gc_thresh2) ||
-	    nla_put_u32(skb, NDTA_THRESH3, tbl->gc_thresh3))
+	    nla_put_msecs(skb, NDTA_GC_INTERVAL, READ_ONCE(tbl->gc_interval),
+			  NDTA_PAD) ||
+	    nla_put_u32(skb, NDTA_THRESH1, READ_ONCE(tbl->gc_thresh1)) ||
+	    nla_put_u32(skb, NDTA_THRESH2, READ_ONCE(tbl->gc_thresh2)) ||
+	    nla_put_u32(skb, NDTA_THRESH3, READ_ONCE(tbl->gc_thresh3)))
 		goto nla_put_failure;
 	{
 		unsigned long now = jiffies;
-		long flush_delta = now - tbl->last_flush;
-		long rand_delta = now - tbl->last_rand;
+		long flush_delta = now - READ_ONCE(tbl->last_flush);
+		long rand_delta = now - READ_ONCE(tbl->last_rand);
 		struct neigh_hash_table *nht;
 		struct ndt_config ndc = {
 			.ndtc_key_len		= tbl->key_len,
@@ -2076,7 +2079,7 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
 			.ndtc_entries		= atomic_read(&tbl->entries),
 			.ndtc_last_flush	= jiffies_to_msecs(flush_delta),
 			.ndtc_last_rand		= jiffies_to_msecs(rand_delta),
-			.ndtc_proxy_qlen	= tbl->proxy_queue.qlen,
+			.ndtc_proxy_qlen	= READ_ONCE(tbl->proxy_queue.qlen),
 		};
 
 		rcu_read_lock_bh();
@@ -2099,17 +2102,17 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
 			struct neigh_statistics	*st;
 
 			st = per_cpu_ptr(tbl->stats, cpu);
-			ndst.ndts_allocs		+= st->allocs;
-			ndst.ndts_destroys		+= st->destroys;
-			ndst.ndts_hash_grows		+= st->hash_grows;
-			ndst.ndts_res_failed		+= st->res_failed;
-			ndst.ndts_lookups		+= st->lookups;
-			ndst.ndts_hits			+= st->hits;
-			ndst.ndts_rcv_probes_mcast	+= st->rcv_probes_mcast;
-			ndst.ndts_rcv_probes_ucast	+= st->rcv_probes_ucast;
-			ndst.ndts_periodic_gc_runs	+= st->periodic_gc_runs;
-			ndst.ndts_forced_gc_runs	+= st->forced_gc_runs;
-			ndst.ndts_table_fulls		+= st->table_fulls;
+			ndst.ndts_allocs		+= READ_ONCE(st->allocs);
+			ndst.ndts_destroys		+= READ_ONCE(st->destroys);
+			ndst.ndts_hash_grows		+= READ_ONCE(st->hash_grows);
+			ndst.ndts_res_failed		+= READ_ONCE(st->res_failed);
+			ndst.ndts_lookups		+= READ_ONCE(st->lookups);
+			ndst.ndts_hits			+= READ_ONCE(st->hits);
+			ndst.ndts_rcv_probes_mcast	+= READ_ONCE(st->rcv_probes_mcast);
+			ndst.ndts_rcv_probes_ucast	+= READ_ONCE(st->rcv_probes_ucast);
+			ndst.ndts_periodic_gc_runs	+= READ_ONCE(st->periodic_gc_runs);
+			ndst.ndts_forced_gc_runs	+= READ_ONCE(st->forced_gc_runs);
+			ndst.ndts_table_fulls		+= READ_ONCE(st->table_fulls);
 		}
 
 		if (nla_put_64bit(skb, NDTA_STATS, sizeof(ndst), &ndst,
@@ -2333,16 +2336,16 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh,
 		goto errout_tbl_lock;
 
 	if (tb[NDTA_THRESH1])
-		tbl->gc_thresh1 = nla_get_u32(tb[NDTA_THRESH1]);
+		WRITE_ONCE(tbl->gc_thresh1, nla_get_u32(tb[NDTA_THRESH1]));
 
 	if (tb[NDTA_THRESH2])
-		tbl->gc_thresh2 = nla_get_u32(tb[NDTA_THRESH2]);
+		WRITE_ONCE(tbl->gc_thresh2, nla_get_u32(tb[NDTA_THRESH2]));
 
 	if (tb[NDTA_THRESH3])
-		tbl->gc_thresh3 = nla_get_u32(tb[NDTA_THRESH3]);
+		WRITE_ONCE(tbl->gc_thresh3, nla_get_u32(tb[NDTA_THRESH3]));
 
 	if (tb[NDTA_GC_INTERVAL])
-		tbl->gc_interval = nla_get_msecs(tb[NDTA_GC_INTERVAL]);
+		WRITE_ONCE(tbl->gc_interval, nla_get_msecs(tb[NDTA_GC_INTERVAL]));
 
 	err = 0;
 
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 3fba429f1f57b04c54389699e25b1eb060a3bd45..c1e3d3bea1286d0f8309cbca5845641cbf11eb8d 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -645,19 +645,19 @@ static int pktgen_if_show(struct seq_file *seq, void *v)
 	seq_puts(seq, "     Flags: ");
 
 	for (i = 0; i < NR_PKT_FLAGS; i++) {
-		if (i == F_FLOW_SEQ)
+		if (i == FLOW_SEQ_SHIFT)
 			if (!pkt_dev->cflows)
 				continue;
 
-		if (pkt_dev->flags & (1 << i))
+		if (pkt_dev->flags & (1 << i)) {
 			seq_printf(seq, "%s  ", pkt_flag_names[i]);
-		else if (i == F_FLOW_SEQ)
-			seq_puts(seq, "FLOW_RND  ");
-
 #ifdef CONFIG_XFRM
-		if (i == F_IPSEC && pkt_dev->spi)
-			seq_printf(seq, "spi:%u", pkt_dev->spi);
+			if (i == IPSEC_SHIFT && pkt_dev->spi)
+				seq_printf(seq, "spi:%u  ", pkt_dev->spi);
 #endif
+		} else if (i == FLOW_SEQ_SHIFT) {
+			seq_puts(seq, "FLOW_RND  ");
+		}
 	}
 
 	seq_puts(seq, "\n");
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 28252029bd798f847d36838f17a01f05e9c34666..412a3c153cad310bfc6e75921a086a180aebb32b 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -741,7 +741,9 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
 		skb->csum = csum_block_sub(skb->csum, csumdiff,
 					   skb->len - trimlen);
 	}
-	pskb_trim(skb, skb->len - trimlen);
+	ret = pskb_trim(skb, skb->len - trimlen);
+	if (unlikely(ret))
+		return ret;
 
 	ret = nexthdr[1];
 
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index ed20d6ac10dc2a337fc69526a437a71a2c52d4a1..bb5255178d75c6170f0603efb00ac4376ec7e906 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1345,15 +1345,18 @@ __be32 fib_info_update_nhc_saddr(struct net *net, struct fib_nh_common *nhc,
 				 unsigned char scope)
 {
 	struct fib_nh *nh;
+	__be32 saddr;
 
 	if (nhc->nhc_family != AF_INET)
 		return inet_select_addr(nhc->nhc_dev, 0, scope);
 
 	nh = container_of(nhc, struct fib_nh, nh_common);
-	nh->nh_saddr = inet_select_addr(nh->fib_nh_dev, nh->fib_nh_gw4, scope);
-	nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
+	saddr = inet_select_addr(nh->fib_nh_dev, nh->fib_nh_gw4, scope);
 
-	return nh->nh_saddr;
+	WRITE_ONCE(nh->nh_saddr, saddr);
+	WRITE_ONCE(nh->nh_saddr_genid, atomic_read(&net->ipv4.dev_addr_genid));
+
+	return saddr;
 }
 
 __be32 fib_result_prefsrc(struct net *net, struct fib_result *res)
@@ -1367,8 +1370,9 @@ __be32 fib_result_prefsrc(struct net *net, struct fib_result *res)
 		struct fib_nh *nh;
 
 		nh = container_of(nhc, struct fib_nh, nh_common);
-		if (nh->nh_saddr_genid == atomic_read(&net->ipv4.dev_addr_genid))
-			return nh->nh_saddr;
+		if (READ_ONCE(nh->nh_saddr_genid) ==
+		    atomic_read(&net->ipv4.dev_addr_genid))
+			return READ_ONCE(nh->nh_saddr);
 	}
 
 	return fib_info_update_nhc_saddr(net, nhc, res->fi->fib_scope);
@@ -1904,6 +1908,7 @@ int fib_sync_down_addr(struct net_device *dev, __be32 local)
 			continue;
 		if (fi->fib_prefsrc == local) {
 			fi->fib_flags |= RTNH_F_DEAD;
+			fi->pfsrc_removed = true;
 			ret++;
 		}
 	}
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 456240d2adc118c779ed5e3a9295faff38f908a3..3f4f6458d40e9165f65d7786a6a8d9c7e09c3b61 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1977,6 +1977,7 @@ void fib_table_flush_external(struct fib_table *tb)
 int fib_table_flush(struct net *net, struct fib_table *tb, bool flush_all)
 {
 	struct trie *t = (struct trie *)tb->tb_data;
+	struct nl_info info = { .nl_net = net };
 	struct key_vector *pn = t->kv;
 	unsigned long cindex = 1;
 	struct hlist_node *tmp;
@@ -2039,6 +2040,9 @@ int fib_table_flush(struct net *net, struct fib_table *tb, bool flush_all)
 
 			fib_notify_alias_delete(net, n->key, &n->leaf, fa,
 						NULL);
+			if (fi->pfsrc_removed)
+				rtmsg_fib(RTM_DELROUTE, htonl(n->key), fa,
+					  KEYLENGTH - fa->fa_slen, tb->tb_id, &info, 0);
 			hlist_del_rcu(&fa->fa_list);
 			fib_release_info(fa->fa_info);
 			alias_free_mem_rcu(fa);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index dd63d6106ca41ef808c98c962294e8f23149e1cb..fe8eb427f491fb25b4abca76273e79988a2d5675 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2188,16 +2188,17 @@ void tcp_enter_loss(struct sock *sk)
  * restore sanity to the SACK scoreboard. If the apparent reneging
  * persists until this RTO then we'll clear the SACK scoreboard.
  */
-static bool tcp_check_sack_reneging(struct sock *sk, int flag)
+static bool tcp_check_sack_reneging(struct sock *sk, int *ack_flag)
 {
-	if (flag & FLAG_SACK_RENEGING &&
-	    flag & FLAG_SND_UNA_ADVANCED) {
+	if (*ack_flag & FLAG_SACK_RENEGING &&
+	    *ack_flag & FLAG_SND_UNA_ADVANCED) {
 		struct tcp_sock *tp = tcp_sk(sk);
 		unsigned long delay = max(usecs_to_jiffies(tp->srtt_us >> 4),
 					  msecs_to_jiffies(10));
 
 		inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
 					  delay, TCP_RTO_MAX);
+		*ack_flag &= ~FLAG_SET_XMIT_TIMER;
 		return true;
 	}
 	return false;
@@ -2953,7 +2954,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
 		tp->prior_ssthresh = 0;
 
 	/* B. In all the states check for reneging SACKs. */
-	if (tcp_check_sack_reneging(sk, flag))
+	if (tcp_check_sack_reneging(sk, ack_flag))
 		return;
 
 	/* C. Check consistency of the current state. */
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 93ee52e530eed9721ae64ab1907b2403016c7969..85d8688933f3cf1ebf6f84734ae34a13254106b6 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1838,6 +1838,7 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb)
 #ifdef CONFIG_TLS_DEVICE
 	    tail->decrypted != skb->decrypted ||
 #endif
+	    !mptcp_skb_can_collapse(tail, skb) ||
 	    thtail->doff != th->doff ||
 	    memcmp(thtail + 1, th + 1, hdrlen - sizeof(*th)))
 		goto no_coalesce;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index e2f770980f84aeb81d35fb7fa2f075abece54a5e..808fbeb3b6870bf804438b51d75d760d4722feb0 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2484,6 +2484,18 @@ static bool tcp_pacing_check(struct sock *sk)
 	return true;
 }
 
+static bool tcp_rtx_queue_empty_or_single_skb(const struct sock *sk)
+{
+	const struct rb_node *node = sk->tcp_rtx_queue.rb_node;
+
+	/* No skb in the rtx queue. */
+	if (!node)
+		return true;
+
+	/* Only one skb in rtx queue. */
+	return !node->rb_left && !node->rb_right;
+}
+
 /* TCP Small Queues :
  * Control number of packets in qdisc/devices to two packets / or ~1 ms.
  * (These limits are doubled for retransmits)
@@ -2521,12 +2533,12 @@ static bool tcp_small_queue_check(struct sock *sk, const struct sk_buff *skb,
 		limit += extra_bytes;
 	}
 	if (refcount_read(&sk->sk_wmem_alloc) > limit) {
-		/* Always send skb if rtx queue is empty.
+		/* Always send skb if rtx queue is empty or has one skb.
 		 * No need to wait for TX completion to call us back,
 		 * after softirq/tasklet schedule.
 		 * This helps when TX completions are delayed too much.
 		 */
-		if (tcp_rtx_queue_empty(sk))
+		if (tcp_rtx_queue_empty_or_single_skb(sk))
 			return false;
 
 		set_bit(TSQ_THROTTLED, &sk->sk_tsq_flags);
@@ -2729,7 +2741,7 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
-	u32 timeout, rto_delta_us;
+	u32 timeout, timeout_us, rto_delta_us;
 	int early_retrans;
 
 	/* Don't do any loss probe on a Fast Open connection before 3WHS
@@ -2753,11 +2765,12 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
 	 * sample is available then probe after TCP_TIMEOUT_INIT.
 	 */
 	if (tp->srtt_us) {
-		timeout = usecs_to_jiffies(tp->srtt_us >> 2);
+		timeout_us = tp->srtt_us >> 2;
 		if (tp->packets_out == 1)
-			timeout += TCP_RTO_MIN;
+			timeout_us += tcp_rto_min_us(sk);
 		else
-			timeout += TCP_TIMEOUT_MIN;
+			timeout_us += TCP_TIMEOUT_MIN_US;
+		timeout = usecs_to_jiffies(timeout_us);
 	} else {
 		timeout = TCP_TIMEOUT_INIT;
 	}
diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c
index 21fc9859d421ed5f3e96f3f834cdf3fe0c095fc9..f84c5804e2db9a8bfd6d0f96fab0729ee6a642c9 100644
--- a/net/ipv4/tcp_recovery.c
+++ b/net/ipv4/tcp_recovery.c
@@ -109,7 +109,7 @@ bool tcp_rack_mark_lost(struct sock *sk)
 	tp->rack.advanced = 0;
 	tcp_rack_detect_loss(sk, &timeout);
 	if (timeout) {
-		timeout = usecs_to_jiffies(timeout) + TCP_TIMEOUT_MIN;
+		timeout = usecs_to_jiffies(timeout + TCP_TIMEOUT_MIN_US);
 		inet_csk_reset_xmit_timer(sk, ICSK_TIME_REO_TIMEOUT,
 					  timeout, inet_csk(sk)->icsk_rto);
 	}
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index cb28f8928f9ee50bf3910ef0b1c69b8dbd8f89be..fddc811bbde1f5a1ecf71a7c1b21131cd56f1f5d 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -776,7 +776,9 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
 		skb->csum = csum_block_sub(skb->csum, csumdiff,
 					   skb->len - trimlen);
 	}
-	pskb_trim(skb, skb->len - trimlen);
+	ret = pskb_trim(skb, skb->len - trimlen);
+	if (unlikely(ret))
+		return ret;
 
 	ret = nexthdr[1];
 
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 247296e3294bdd05ab3f4fe2733f4213435113e8..4c3aa97f23faac3434ff44bccc6bd138d2ef839e 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -120,11 +120,11 @@ static void xfrm6_dst_destroy(struct dst_entry *dst)
 {
 	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
 
-	if (likely(xdst->u.rt6.rt6i_idev))
-		in6_dev_put(xdst->u.rt6.rt6i_idev);
 	dst_destroy_metrics_generic(dst);
 	if (xdst->u.rt6.rt6i_uncached_list)
 		rt6_uncached_list_del(&xdst->u.rt6);
+	if (likely(xdst->u.rt6.rt6i_idev))
+		in6_dev_put(xdst->u.rt6.rt6i_idev);
 	xfrm_dst_destroy(xdst);
 }
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index ef8bb5dfd110696eb4ca6d5bc46b4a781ce4ff0d..8b35c27c9f9f60007bce0960bf918d23602a18eb 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -656,7 +656,8 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
 		}
 
 		if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED &&
-			     !ieee80211_is_deauth(hdr->frame_control)))
+			     !ieee80211_is_deauth(hdr->frame_control)) &&
+			     tx->skb->protocol != tx->sdata->control_port_protocol)
 			return TX_DROP;
 
 		if (!skip_hw && tx->key &&
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index f087baa95b07b7e13d87c560be1c7df9ba461839..80c09070ea9fa4d688a56685d956df6b96119e53 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -683,8 +683,8 @@ nfulnl_log_packet(struct net *net,
 	unsigned int plen = 0;
 	struct nfnl_log_net *log = nfnl_log_pernet(net);
 	const struct nfnl_ct_hook *nfnl_ct = NULL;
+	enum ip_conntrack_info ctinfo = 0;
 	struct nf_conn *ct = NULL;
-	enum ip_conntrack_info ctinfo;
 
 	if (li_user && li_user->type == NF_LOG_TYPE_ULOG)
 		li = li_user;
diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c
index b2b63c3653d495b2a4c022fd132c1a068cea6786..56f6c05362ae80bdc08a1bbaad616b0d05efb254 100644
--- a/net/netfilter/nft_payload.c
+++ b/net/netfilter/nft_payload.c
@@ -93,7 +93,7 @@ void nft_payload_eval(const struct nft_expr *expr,
 
 	switch (priv->base) {
 	case NFT_PAYLOAD_LL_HEADER:
-		if (!skb_mac_header_was_set(skb))
+		if (!skb_mac_header_was_set(skb) || skb_mac_header_len(skb) == 0)
 			goto err;
 
 		if (skb_vlan_tag_present(skb)) {
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index 17abf17b673e2cacb1812d6bdce9d12e9c83a8ae..12d9d0d0c6022eff230f36508423081bff12e193 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -570,6 +570,8 @@ static void *nft_rbtree_deactivate(const struct net *net,
 				   nft_rbtree_interval_end(this)) {
 				parent = parent->rb_right;
 				continue;
+			} else if (nft_set_elem_expired(&rbe->ext)) {
+				break;
 			} else if (!nft_set_elem_active(&rbe->ext, genmask)) {
 				parent = parent->rb_left;
 				continue;
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index f5afc9bcdee6543ec6a26d373f29b920fff528b3..2cc95c8dc4c7b99d0c5b2e392652ba9ee54fa863 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -98,13 +98,13 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
 
 	rfkill->clk = devm_clk_get(&pdev->dev, NULL);
 
-	gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
+	gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_ASIS);
 	if (IS_ERR(gpio))
 		return PTR_ERR(gpio);
 
 	rfkill->reset_gpio = gpio;
 
-	gpio = devm_gpiod_get_optional(&pdev->dev, "shutdown", GPIOD_OUT_LOW);
+	gpio = devm_gpiod_get_optional(&pdev->dev, "shutdown", GPIOD_ASIS);
 	if (IS_ERR(gpio))
 		return PTR_ERR(gpio);
 
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index b2d2ba561eba179839ac70f6e1802c096066c29f..f2a0c10682fc81b6b01725ed234ca260dc48cbaa 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -364,7 +364,7 @@ static int u32_init(struct tcf_proto *tp)
 	idr_init(&root_ht->handle_idr);
 
 	if (tp_c == NULL) {
-		tp_c = kzalloc(struct_size(tp_c, hlist->ht, 1), GFP_KERNEL);
+		tp_c = kzalloc(sizeof(*tp_c), GFP_KERNEL);
 		if (tp_c == NULL) {
 			kfree(root_ht);
 			return -ENOBUFS;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 6076294a632c591e26c00e0d5b33147ca2b2cc12..adcf87d417ae4c53447d060d545ae69633a60b51 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -903,6 +903,14 @@ hfsc_change_usc(struct hfsc_class *cl, struct tc_service_curve *usc,
 	cl->cl_flags |= HFSC_USC;
 }
 
+static void
+hfsc_upgrade_rt(struct hfsc_class *cl)
+{
+	cl->cl_fsc = cl->cl_rsc;
+	rtsc_init(&cl->cl_virtual, &cl->cl_fsc, cl->cl_vt, cl->cl_total);
+	cl->cl_flags |= HFSC_FSC;
+}
+
 static const struct nla_policy hfsc_policy[TCA_HFSC_MAX + 1] = {
 	[TCA_HFSC_RSC]	= { .len = sizeof(struct tc_service_curve) },
 	[TCA_HFSC_FSC]	= { .len = sizeof(struct tc_service_curve) },
@@ -1012,10 +1020,6 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 		if (parent == NULL)
 			return -ENOENT;
 	}
-	if (!(parent->cl_flags & HFSC_FSC) && parent != &q->root) {
-		NL_SET_ERR_MSG(extack, "Invalid parent - parent class must have FSC");
-		return -EINVAL;
-	}
 
 	if (classid == 0 || TC_H_MAJ(classid ^ sch->handle) != 0)
 		return -EINVAL;
@@ -1068,6 +1072,12 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 	cl->cf_tree = RB_ROOT;
 
 	sch_tree_lock(sch);
+	/* Check if the inner class is a misconfigured 'rt' */
+	if (!(parent->cl_flags & HFSC_FSC) && parent != &q->root) {
+		NL_SET_ERR_MSG(extack,
+			       "Forced curve change on parent 'rt' to 'sc'");
+		hfsc_upgrade_rt(parent);
+	}
 	qdisc_class_hash_insert(&q->clhash, &cl->cl_common);
 	list_add_tail(&cl->siblings, &parent->children);
 	if (parent->level == 0)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b247ac9db9f10fb8a479eb182f5a3a9add30b61b..5d520b88492c9d608c3a2ef186399d03df9cac96 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -7469,7 +7469,7 @@ static int nl80211_update_mesh_config(struct sk_buff *skb,
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
 	struct net_device *dev = info->user_ptr[1];
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
-	struct mesh_config cfg;
+	struct mesh_config cfg = {};
 	u32 mask;
 	int err;
 
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index f59691936e5b81692ea3f4ec81900bf329d07ceb..1e6dfe204ff3639beaace10dfe65adb68eff0a70 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -875,6 +875,10 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev)
 		    !cfg80211_find_ssid_match(ap, request))
 			continue;
 
+		if (!is_broadcast_ether_addr(request->bssid) &&
+		    !ether_addr_equal(request->bssid, ap->bssid))
+			continue;
+
 		if (!request->n_ssids && ap->multi_bss && !ap->transmitted_bssid)
 			continue;
 
diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c
index 4eeec336757545ec20a290215132e2d013e998b4..9eaf0174d99816cbc3e89a5b7d40f7ede378b1f6 100644
--- a/net/xfrm/xfrm_interface_core.c
+++ b/net/xfrm/xfrm_interface_core.c
@@ -274,8 +274,8 @@ static int xfrmi_rcv_cb(struct sk_buff *skb, int err)
 	skb->dev = dev;
 
 	if (err) {
-		dev->stats.rx_errors++;
-		dev->stats.rx_dropped++;
+		DEV_STATS_INC(dev, rx_errors);
+		DEV_STATS_INC(dev, rx_dropped);
 
 		return 0;
 	}
@@ -309,7 +309,6 @@ static int
 xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 {
 	struct xfrm_if *xi = netdev_priv(dev);
-	struct net_device_stats *stats = &xi->dev->stats;
 	struct dst_entry *dst = skb_dst(skb);
 	unsigned int length = skb->len;
 	struct net_device *tdev;
@@ -335,7 +334,7 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 	tdev = dst->dev;
 
 	if (tdev == dev) {
-		stats->collisions++;
+		DEV_STATS_INC(dev, collisions);
 		net_warn_ratelimited("%s: Local routing loop detected!\n",
 				     dev->name);
 		goto tx_err_dst_release;
@@ -378,13 +377,13 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 		tstats->tx_packets++;
 		u64_stats_update_end(&tstats->syncp);
 	} else {
-		stats->tx_errors++;
-		stats->tx_aborted_errors++;
+		DEV_STATS_INC(dev, tx_errors);
+		DEV_STATS_INC(dev, tx_aborted_errors);
 	}
 
 	return 0;
 tx_err_link_failure:
-	stats->tx_carrier_errors++;
+	DEV_STATS_INC(dev, tx_carrier_errors);
 	dst_link_failure(skb);
 tx_err_dst_release:
 	dst_release(dst);
@@ -394,7 +393,6 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct xfrm_if *xi = netdev_priv(dev);
-	struct net_device_stats *stats = &xi->dev->stats;
 	struct dst_entry *dst = skb_dst(skb);
 	struct flowi fl;
 	int ret;
@@ -411,7 +409,7 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 			dst = ip6_route_output(dev_net(dev), NULL, &fl.u.ip6);
 			if (dst->error) {
 				dst_release(dst);
-				stats->tx_carrier_errors++;
+				DEV_STATS_INC(dev, tx_carrier_errors);
 				goto tx_err;
 			}
 			skb_dst_set(skb, dst);
@@ -427,7 +425,7 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 			fl.u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
 			rt = __ip_route_output_key(dev_net(dev), &fl.u.ip4);
 			if (IS_ERR(rt)) {
-				stats->tx_carrier_errors++;
+				DEV_STATS_INC(dev, tx_carrier_errors);
 				goto tx_err;
 			}
 			skb_dst_set(skb, &rt->dst);
@@ -446,8 +444,8 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 
 tx_err:
-	stats->tx_errors++;
-	stats->tx_dropped++;
+	DEV_STATS_INC(dev, tx_errors);
+	DEV_STATS_INC(dev, tx_dropped);
 	kfree_skb(skb);
 	return NETDEV_TX_OK;
 }
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 465d28341ed6d8f1381b9b0d4ee0e8dd343efe4d..664d55957feb52d6a54141e58dab15cde885ff57 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1371,8 +1371,6 @@ EXPORT_SYMBOL(xfrm_policy_hash_rebuild);
  * of an absolute inpredictability of ordering of rules. This will not pass. */
 static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
 {
-	static u32 idx_generator;
-
 	for (;;) {
 		struct hlist_head *list;
 		struct xfrm_policy *p;
@@ -1380,8 +1378,8 @@ static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
 		int found;
 
 		if (!index) {
-			idx = (idx_generator | dir);
-			idx_generator += 8;
+			idx = (net->xfrm.idx_generator | dir);
+			net->xfrm.idx_generator += 8;
 		} else {
 			idx = index;
 			index = 0;
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index d1533e95a74f6aec038821d0623c9ea5d666fd13..99d91bfb8812276486b5a7fbdf3503362b2fc650 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3241,6 +3241,8 @@ int rt5645_set_jack_detect(struct snd_soc_component *component,
 				RT5645_GP1_PIN_IRQ, RT5645_GP1_PIN_IRQ);
 		regmap_update_bits(rt5645->regmap, RT5645_GEN_CTRL1,
 				RT5645_DIG_GATE_CTRL, RT5645_DIG_GATE_CTRL);
+		regmap_update_bits(rt5645->regmap, RT5645_DEPOP_M1,
+				RT5645_HP_CB_MASK, RT5645_HP_CB_PU);
 	}
 	rt5645_irq(0, rt5645);
 
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index c4e7307a44374ed6bd329d2aa6c6333dce3646a0..d847263a18b93917bd1ad0f682250b6bc2054fa5 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -797,7 +797,7 @@ static int pxa_ssp_probe(struct snd_soc_dai *dai)
 		if (IS_ERR(priv->extclk)) {
 			ret = PTR_ERR(priv->extclk);
 			if (ret == -EPROBE_DEFER)
-				return ret;
+				goto err_priv;
 
 			priv->extclk = NULL;
 		}
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index bd24951faa094ec27aba6afa0f9317dd99afb2c4..059b78d08f7af886a03ab70798e7e6583c16dd9e 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2107,7 +2107,7 @@ static bool is_special_call(struct instruction *insn)
 		if (!dest)
 			return false;
 
-		if (dest->fentry)
+		if (dest->fentry || dest->embedded_insn)
 			return true;
 	}
 
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc
new file mode 100644
index 0000000000000000000000000000000000000000..bc9514428dbaf178b02a22b9ceae7f4351f31738
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc
@@ -0,0 +1,13 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Test failure of registering kprobe on non unique symbol
+# requires: kprobe_events
+
+SYMBOL='name_show'
+
+# We skip this test on kernel where SYMBOL is unique or does not exist.
+if [ "$(grep -c -E "[[:alnum:]]+ t ${SYMBOL}" /proc/kallsyms)" -le '1' ]; then
+	exit_unsupported
+fi
+
+! echo "p:test_non_unique ${SYMBOL}" > kprobe_events
diff --git a/tools/testing/selftests/vm/charge_reserved_hugetlb.sh b/tools/testing/selftests/vm/charge_reserved_hugetlb.sh
index 18d33684faade0a3f6bcb489b190fe9caf37a129..7536ff2f890a16e3142954e392b5847f99c36da8 100644
--- a/tools/testing/selftests/vm/charge_reserved_hugetlb.sh
+++ b/tools/testing/selftests/vm/charge_reserved_hugetlb.sh
@@ -21,19 +21,23 @@ if [[ "$1" == "-cgroup-v2" ]]; then
   reservation_usage_file=rsvd.current
 fi
 
-cgroup_path=/dev/cgroup/memory
-if [[ ! -e $cgroup_path ]]; then
-  mkdir -p $cgroup_path
-  if [[ $cgroup2 ]]; then
+if [[ $cgroup2 ]]; then
+  cgroup_path=$(mount -t cgroup2 | head -1 | awk '{print $3}')
+  if [[ -z "$cgroup_path" ]]; then
+    cgroup_path=/dev/cgroup/memory
     mount -t cgroup2 none $cgroup_path
-  else
+    do_umount=1
+  fi
+  echo "+hugetlb" >$cgroup_path/cgroup.subtree_control
+else
+  cgroup_path=$(mount -t cgroup | grep ",hugetlb" | awk '{print $3}')
+  if [[ -z "$cgroup_path" ]]; then
+    cgroup_path=/dev/cgroup/memory
     mount -t cgroup memory,hugetlb $cgroup_path
+    do_umount=1
   fi
 fi
-
-if [[ $cgroup2 ]]; then
-  echo "+hugetlb" >/dev/cgroup/memory/cgroup.subtree_control
-fi
+export cgroup_path
 
 function cleanup() {
   if [[ $cgroup2 ]]; then
@@ -105,7 +109,7 @@ function setup_cgroup() {
 
 function wait_for_hugetlb_memory_to_get_depleted() {
   local cgroup="$1"
-  local path="/dev/cgroup/memory/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
+  local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
   # Wait for hugetlbfs memory to get depleted.
   while [ $(cat $path) != 0 ]; do
     echo Waiting for hugetlb memory to get depleted.
@@ -118,7 +122,7 @@ function wait_for_hugetlb_memory_to_get_reserved() {
   local cgroup="$1"
   local size="$2"
 
-  local path="/dev/cgroup/memory/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
+  local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
   # Wait for hugetlbfs memory to get written.
   while [ $(cat $path) != $size ]; do
     echo Waiting for hugetlb memory reservation to reach size $size.
@@ -131,7 +135,7 @@ function wait_for_hugetlb_memory_to_get_written() {
   local cgroup="$1"
   local size="$2"
 
-  local path="/dev/cgroup/memory/$cgroup/hugetlb.${MB}MB.$fault_usage_file"
+  local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file"
   # Wait for hugetlbfs memory to get written.
   while [ $(cat $path) != $size ]; do
     echo Waiting for hugetlb memory to reach size $size.
@@ -571,5 +575,7 @@ for populate in "" "-o"; do
   done     # populate
 done       # method
 
-umount $cgroup_path
-rmdir $cgroup_path
+if [[ $do_umount ]]; then
+  umount $cgroup_path
+  rmdir $cgroup_path
+fi
diff --git a/tools/testing/selftests/vm/hugetlb_reparenting_test.sh b/tools/testing/selftests/vm/hugetlb_reparenting_test.sh
index d11d1febccc3b050173b12413921754b269d67f9..c665b16f1e370b0c5e9a90ec6e49d47fee5a8d26 100644
--- a/tools/testing/selftests/vm/hugetlb_reparenting_test.sh
+++ b/tools/testing/selftests/vm/hugetlb_reparenting_test.sh
@@ -15,19 +15,24 @@ if [[ "$1" == "-cgroup-v2" ]]; then
   usage_file=current
 fi
 
-CGROUP_ROOT='/dev/cgroup/memory'
-MNT='/mnt/huge/'
 
-if [[ ! -e $CGROUP_ROOT ]]; then
-  mkdir -p $CGROUP_ROOT
-  if [[ $cgroup2 ]]; then
+if [[ $cgroup2 ]]; then
+  CGROUP_ROOT=$(mount -t cgroup2 | head -1 | awk '{print $3}')
+  if [[ -z "$CGROUP_ROOT" ]]; then
+    CGROUP_ROOT=/dev/cgroup/memory
     mount -t cgroup2 none $CGROUP_ROOT
-    sleep 1
-    echo "+hugetlb +memory" >$CGROUP_ROOT/cgroup.subtree_control
-  else
+    do_umount=1
+  fi
+  echo "+hugetlb +memory" >$CGROUP_ROOT/cgroup.subtree_control
+else
+  CGROUP_ROOT=$(mount -t cgroup | grep ",hugetlb" | awk '{print $3}')
+  if [[ -z "$CGROUP_ROOT" ]]; then
+    CGROUP_ROOT=/dev/cgroup/memory
     mount -t cgroup memory,hugetlb $CGROUP_ROOT
+    do_umount=1
   fi
 fi
+MNT='/mnt/huge/'
 
 function get_machine_hugepage_size() {
   hpz=$(grep -i hugepagesize /proc/meminfo)
diff --git a/tools/testing/selftests/vm/write_hugetlb_memory.sh b/tools/testing/selftests/vm/write_hugetlb_memory.sh
index d3d0d108924d4e6b5f470755d4d8ffbbb41bf767..70a02301f4c276ba6313c3baa1ab3b5058a68b0c 100644
--- a/tools/testing/selftests/vm/write_hugetlb_memory.sh
+++ b/tools/testing/selftests/vm/write_hugetlb_memory.sh
@@ -14,7 +14,7 @@ want_sleep=$8
 reserve=$9
 
 echo "Putting task in cgroup '$cgroup'"
-echo $$ > /dev/cgroup/memory/"$cgroup"/cgroup.procs
+echo $$ > ${cgroup_path:-/dev/cgroup/memory}/"$cgroup"/cgroup.procs
 
 echo "Method is $method"