diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/arm64/crypto/sha1-ce-glue.c linux-libre-4.4.187-gnu/arch/arm64/crypto/sha1-ce-glue.c
--- linux-libre-4.4.186-gnu/arch/arm64/crypto/sha1-ce-glue.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/arm64/crypto/sha1-ce-glue.c	2019-08-04 03:35:02.000000000 -0400
@@ -50,7 +50,7 @@ static int sha1_ce_finup(struct shash_de
 			 unsigned int len, u8 *out)
 {
 	struct sha1_ce_state *sctx = shash_desc_ctx(desc);
-	bool finalize = !sctx->sst.count && !(len % SHA1_BLOCK_SIZE);
+	bool finalize = !sctx->sst.count && !(len % SHA1_BLOCK_SIZE) && len;
 
 	/*
 	 * Allow the asm code to perform the finalization if there is no
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/arm64/crypto/sha2-ce-glue.c linux-libre-4.4.187-gnu/arch/arm64/crypto/sha2-ce-glue.c
--- linux-libre-4.4.186-gnu/arch/arm64/crypto/sha2-ce-glue.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/arm64/crypto/sha2-ce-glue.c	2019-08-04 03:35:02.000000000 -0400
@@ -52,7 +52,7 @@ static int sha256_ce_finup(struct shash_
 			   unsigned int len, u8 *out)
 {
 	struct sha256_ce_state *sctx = shash_desc_ctx(desc);
-	bool finalize = !sctx->sst.count && !(len % SHA256_BLOCK_SIZE);
+	bool finalize = !sctx->sst.count && !(len % SHA256_BLOCK_SIZE) && len;
 
 	/*
 	 * Allow the asm code to perform the finalization if there is no
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/arm64/kernel/acpi.c linux-libre-4.4.187-gnu/arch/arm64/kernel/acpi.c
--- linux-libre-4.4.186-gnu/arch/arm64/kernel/acpi.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/arm64/kernel/acpi.c	2019-08-04 03:35:02.000000000 -0400
@@ -141,10 +141,14 @@ static int __init acpi_fadt_sanity_check
 	 */
 	if (table->revision < 5 ||
 	   (table->revision == 5 && fadt->minor_revision < 1)) {
-		pr_err("Unsupported FADT revision %d.%d, should be 5.1+\n",
+		pr_err(FW_BUG "Unsupported FADT revision %d.%d, should be 5.1+\n",
 		       table->revision, fadt->minor_revision);
-		ret = -EINVAL;
-		goto out;
+
+		if (!fadt->arm_boot_flags) {
+			ret = -EINVAL;
+			goto out;
+		}
+		pr_err("FADT has ARM boot flags set, assuming 5.1\n");
 	}
 
 	if (!(fadt->flags & ACPI_FADT_HW_REDUCED)) {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c linux-libre-4.4.187-gnu/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c
--- linux-libre-4.4.186-gnu/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c	2019-08-04 03:35:02.000000000 -0400
@@ -13,7 +13,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include "../../../../include/linux/sizes.h"
+#include <linux/sizes.h>
 
 int main(int argc, char *argv[])
 {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/mips/boot/compressed/Makefile linux-libre-4.4.187-gnu/arch/mips/boot/compressed/Makefile
--- linux-libre-4.4.186-gnu/arch/mips/boot/compressed/Makefile	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/mips/boot/compressed/Makefile	2019-08-04 03:35:02.000000000 -0400
@@ -66,6 +66,8 @@ OBJCOPYFLAGS_piggy.o := --add-section=.i
 $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
 	$(call if_changed,objcopy)
 
+HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
+
 # Calculate the load address of the compressed kernel image
 hostprogs-y := calc_vmlinuz_load_addr
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/mips/include/asm/mach-ath79/ar933x_uart.h linux-libre-4.4.187-gnu/arch/mips/include/asm/mach-ath79/ar933x_uart.h
--- linux-libre-4.4.186-gnu/arch/mips/include/asm/mach-ath79/ar933x_uart.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/mips/include/asm/mach-ath79/ar933x_uart.h	2019-08-04 03:35:02.000000000 -0400
@@ -27,8 +27,8 @@
 #define AR933X_UART_CS_PARITY_S		0
 #define AR933X_UART_CS_PARITY_M		0x3
 #define	  AR933X_UART_CS_PARITY_NONE	0
-#define	  AR933X_UART_CS_PARITY_ODD	1
-#define	  AR933X_UART_CS_PARITY_EVEN	2
+#define	  AR933X_UART_CS_PARITY_ODD	2
+#define	  AR933X_UART_CS_PARITY_EVEN	3
 #define AR933X_UART_CS_IF_MODE_S	2
 #define AR933X_UART_CS_IF_MODE_M	0x3
 #define	  AR933X_UART_CS_IF_MODE_NONE	0
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/parisc/kernel/ptrace.c linux-libre-4.4.187-gnu/arch/parisc/kernel/ptrace.c
--- linux-libre-4.4.186-gnu/arch/parisc/kernel/ptrace.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/parisc/kernel/ptrace.c	2019-08-04 03:35:02.000000000 -0400
@@ -156,6 +156,9 @@ long arch_ptrace(struct task_struct *chi
 		if ((addr & (sizeof(unsigned long)-1)) ||
 		     addr >= sizeof(struct pt_regs))
 			break;
+		if (addr == PT_IAOQ0 || addr == PT_IAOQ1) {
+			data |= 3; /* ensure userspace privilege */
+		}
 		if ((addr >= PT_GR1 && addr <= PT_GR31) ||
 				addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
 				(addr >= PT_FR0 && addr <= PT_FR31 + 4) ||
@@ -189,16 +192,18 @@ long arch_ptrace(struct task_struct *chi
 
 static compat_ulong_t translate_usr_offset(compat_ulong_t offset)
 {
-	if (offset < 0)
-		return sizeof(struct pt_regs);
-	else if (offset <= 32*4)	/* gr[0..31] */
-		return offset * 2 + 4;
-	else if (offset <= 32*4+32*8)	/* gr[0..31] + fr[0..31] */
-		return offset + 32*4;
-	else if (offset < sizeof(struct pt_regs)/2 + 32*4)
-		return offset * 2 + 4 - 32*8;
+	compat_ulong_t pos;
+
+	if (offset < 32*4)	/* gr[0..31] */
+		pos = offset * 2 + 4;
+	else if (offset < 32*4+32*8)	/* fr[0] ... fr[31] */
+		pos = (offset - 32*4) + PT_FR0;
+	else if (offset < sizeof(struct pt_regs)/2 + 32*4) /* sr[0] ... ipsw */
+		pos = (offset - 32*4 - 32*8) * 2 + PT_SR0 + 4;
 	else
-		return sizeof(struct pt_regs);
+		pos = sizeof(struct pt_regs);
+
+	return pos;
 }
 
 long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
@@ -242,9 +247,12 @@ long compat_arch_ptrace(struct task_stru
 			addr = translate_usr_offset(addr);
 			if (addr >= sizeof(struct pt_regs))
 				break;
+			if (addr == PT_IAOQ0+4 || addr == PT_IAOQ1+4) {
+				data |= 3; /* ensure userspace privilege */
+			}
 			if (addr >= PT_FR0 && addr <= PT_FR31 + 4) {
 				/* Special case, fp regs are 64 bits anyway */
-				*(__u64 *) ((char *) task_regs(child) + addr) = data;
+				*(__u32 *) ((char *) task_regs(child) + addr) = data;
 				ret = 0;
 			}
 			else if ((addr >= PT_GR1+4 && addr <= PT_GR31+4) ||
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/kernel/eeh.c linux-libre-4.4.187-gnu/arch/powerpc/kernel/eeh.c
--- linux-libre-4.4.186-gnu/arch/powerpc/kernel/eeh.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/kernel/eeh.c	2019-08-04 03:35:02.000000000 -0400
@@ -363,10 +363,19 @@ static inline unsigned long eeh_token_to
 					   NULL, &hugepage_shift);
 	if (!ptep)
 		return token;
-	WARN_ON(hugepage_shift);
-	pa = pte_pfn(*ptep) << PAGE_SHIFT;
 
-	return pa | (token & (PAGE_SIZE-1));
+	pa = pte_pfn(*ptep);
+
+	/* On radix we can do hugepage mappings for io, so handle that */
+	if (hugepage_shift) {
+		pa <<= hugepage_shift;
+		pa |= token & ((1ul << hugepage_shift) - 1);
+	} else {
+		pa <<= PAGE_SHIFT;
+		pa |= token & (PAGE_SIZE - 1);
+	}
+
+	return pa;
 }
 
 /*
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/kernel/exceptions-64s.S linux-libre-4.4.187-gnu/arch/powerpc/kernel/exceptions-64s.S
--- linux-libre-4.4.186-gnu/arch/powerpc/kernel/exceptions-64s.S	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/kernel/exceptions-64s.S	2019-08-04 03:35:02.000000000 -0400
@@ -1719,7 +1719,7 @@ handle_page_fault:
 	addi	r3,r1,STACK_FRAME_OVERHEAD
 	bl	do_page_fault
 	cmpdi	r3,0
-	beq+	12f
+	beq+	ret_from_except_lite
 	bl	save_nvgprs
 	mr	r5,r3
 	addi	r3,r1,STACK_FRAME_OVERHEAD
@@ -1734,7 +1734,12 @@ handle_dabr_fault:
 	ld      r5,_DSISR(r1)
 	addi    r3,r1,STACK_FRAME_OVERHEAD
 	bl      do_break
-12:	b       ret_from_except_lite
+	/*
+	 * do_break() may have changed the NV GPRS while handling a breakpoint.
+	 * If so, we need to restore them with their updated values. Don't use
+	 * ret_from_except_lite here.
+	 */
+	b       ret_from_except
 
 
 /* We have a page fault that hash_page could handle but HV refused
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/kernel/pci_of_scan.c linux-libre-4.4.187-gnu/arch/powerpc/kernel/pci_of_scan.c
--- linux-libre-4.4.186-gnu/arch/powerpc/kernel/pci_of_scan.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/kernel/pci_of_scan.c	2019-08-04 03:35:02.000000000 -0400
@@ -45,6 +45,8 @@ static unsigned int pci_parse_of_flags(u
 	if (addr0 & 0x02000000) {
 		flags = IORESOURCE_MEM | PCI_BASE_ADDRESS_SPACE_MEMORY;
 		flags |= (addr0 >> 22) & PCI_BASE_ADDRESS_MEM_TYPE_64;
+		if (flags & PCI_BASE_ADDRESS_MEM_TYPE_64)
+			flags |= IORESOURCE_MEM_64;
 		flags |= (addr0 >> 28) & PCI_BASE_ADDRESS_MEM_TYPE_1M;
 		if (addr0 & 0x40000000)
 			flags |= IORESOURCE_PREFETCH
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/kernel/signal_32.c linux-libre-4.4.187-gnu/arch/powerpc/kernel/signal_32.c
--- linux-libre-4.4.186-gnu/arch/powerpc/kernel/signal_32.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/kernel/signal_32.c	2019-08-04 03:35:02.000000000 -0400
@@ -1261,6 +1261,9 @@ long sys_rt_sigreturn(int r3, int r4, in
 			goto bad;
 
 		if (MSR_TM_ACTIVE(msr_hi<<32)) {
+			/* Trying to start TM on non TM system */
+			if (!cpu_has_feature(CPU_FTR_TM))
+				goto bad;
 			/* We only recheckpoint on return if we're
 			 * transaction.
 			 */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/kernel/signal_64.c linux-libre-4.4.187-gnu/arch/powerpc/kernel/signal_64.c
--- linux-libre-4.4.186-gnu/arch/powerpc/kernel/signal_64.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/kernel/signal_64.c	2019-08-04 03:35:02.000000000 -0400
@@ -695,6 +695,11 @@ int sys_rt_sigreturn(unsigned long r3, u
 	if (MSR_TM_ACTIVE(msr)) {
 		/* We recheckpoint on return. */
 		struct ucontext __user *uc_transact;
+
+		/* Trying to start TM on non TM system */
+		if (!cpu_has_feature(CPU_FTR_TM))
+			goto badframe;
+
 		if (__get_user(uc_transact, &uc->uc_link))
 			goto badframe;
 		if (restore_tm_sigcontexts(regs, &uc->uc_mcontext,
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/kernel/swsusp_32.S linux-libre-4.4.187-gnu/arch/powerpc/kernel/swsusp_32.S
--- linux-libre-4.4.186-gnu/arch/powerpc/kernel/swsusp_32.S	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/kernel/swsusp_32.S	2019-08-04 03:35:02.000000000 -0400
@@ -23,11 +23,19 @@
 #define SL_IBAT2	0x48
 #define SL_DBAT3	0x50
 #define SL_IBAT3	0x58
-#define SL_TB		0x60
-#define SL_R2		0x68
-#define SL_CR		0x6c
-#define SL_LR		0x70
-#define SL_R12		0x74	/* r12 to r31 */
+#define SL_DBAT4	0x60
+#define SL_IBAT4	0x68
+#define SL_DBAT5	0x70
+#define SL_IBAT5	0x78
+#define SL_DBAT6	0x80
+#define SL_IBAT6	0x88
+#define SL_DBAT7	0x90
+#define SL_IBAT7	0x98
+#define SL_TB		0xa0
+#define SL_R2		0xa8
+#define SL_CR		0xac
+#define SL_LR		0xb0
+#define SL_R12		0xb4	/* r12 to r31 */
 #define SL_SIZE		(SL_R12 + 80)
 
 	.section .data
@@ -112,6 +120,41 @@ _GLOBAL(swsusp_arch_suspend)
 	mfibatl	r4,3
 	stw	r4,SL_IBAT3+4(r11)
 
+BEGIN_MMU_FTR_SECTION
+	mfspr	r4,SPRN_DBAT4U
+	stw	r4,SL_DBAT4(r11)
+	mfspr	r4,SPRN_DBAT4L
+	stw	r4,SL_DBAT4+4(r11)
+	mfspr	r4,SPRN_DBAT5U
+	stw	r4,SL_DBAT5(r11)
+	mfspr	r4,SPRN_DBAT5L
+	stw	r4,SL_DBAT5+4(r11)
+	mfspr	r4,SPRN_DBAT6U
+	stw	r4,SL_DBAT6(r11)
+	mfspr	r4,SPRN_DBAT6L
+	stw	r4,SL_DBAT6+4(r11)
+	mfspr	r4,SPRN_DBAT7U
+	stw	r4,SL_DBAT7(r11)
+	mfspr	r4,SPRN_DBAT7L
+	stw	r4,SL_DBAT7+4(r11)
+	mfspr	r4,SPRN_IBAT4U
+	stw	r4,SL_IBAT4(r11)
+	mfspr	r4,SPRN_IBAT4L
+	stw	r4,SL_IBAT4+4(r11)
+	mfspr	r4,SPRN_IBAT5U
+	stw	r4,SL_IBAT5(r11)
+	mfspr	r4,SPRN_IBAT5L
+	stw	r4,SL_IBAT5+4(r11)
+	mfspr	r4,SPRN_IBAT6U
+	stw	r4,SL_IBAT6(r11)
+	mfspr	r4,SPRN_IBAT6L
+	stw	r4,SL_IBAT6+4(r11)
+	mfspr	r4,SPRN_IBAT7U
+	stw	r4,SL_IBAT7(r11)
+	mfspr	r4,SPRN_IBAT7L
+	stw	r4,SL_IBAT7+4(r11)
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
+
 #if  0
 	/* Backup various CPU config stuffs */
 	bl	__save_cpu_setup
@@ -277,27 +320,41 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
 	mtibatu	3,r4
 	lwz	r4,SL_IBAT3+4(r11)
 	mtibatl	3,r4
-#endif
-
 BEGIN_MMU_FTR_SECTION
-	li	r4,0
+	lwz	r4,SL_DBAT4(r11)
 	mtspr	SPRN_DBAT4U,r4
+	lwz	r4,SL_DBAT4+4(r11)
 	mtspr	SPRN_DBAT4L,r4
+	lwz	r4,SL_DBAT5(r11)
 	mtspr	SPRN_DBAT5U,r4
+	lwz	r4,SL_DBAT5+4(r11)
 	mtspr	SPRN_DBAT5L,r4
+	lwz	r4,SL_DBAT6(r11)
 	mtspr	SPRN_DBAT6U,r4
+	lwz	r4,SL_DBAT6+4(r11)
 	mtspr	SPRN_DBAT6L,r4
+	lwz	r4,SL_DBAT7(r11)
 	mtspr	SPRN_DBAT7U,r4
+	lwz	r4,SL_DBAT7+4(r11)
 	mtspr	SPRN_DBAT7L,r4
+	lwz	r4,SL_IBAT4(r11)
 	mtspr	SPRN_IBAT4U,r4
+	lwz	r4,SL_IBAT4+4(r11)
 	mtspr	SPRN_IBAT4L,r4
+	lwz	r4,SL_IBAT5(r11)
 	mtspr	SPRN_IBAT5U,r4
+	lwz	r4,SL_IBAT5+4(r11)
 	mtspr	SPRN_IBAT5L,r4
+	lwz	r4,SL_IBAT6(r11)
 	mtspr	SPRN_IBAT6U,r4
+	lwz	r4,SL_IBAT6+4(r11)
 	mtspr	SPRN_IBAT6L,r4
+	lwz	r4,SL_IBAT7(r11)
 	mtspr	SPRN_IBAT7U,r4
+	lwz	r4,SL_IBAT7+4(r11)
 	mtspr	SPRN_IBAT7L,r4
 END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
+#endif
 
 	/* Flush all TLBs */
 	lis	r4,0x1000
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/platforms/powermac/sleep.S linux-libre-4.4.187-gnu/arch/powerpc/platforms/powermac/sleep.S
--- linux-libre-4.4.186-gnu/arch/powerpc/platforms/powermac/sleep.S	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/platforms/powermac/sleep.S	2019-08-04 03:35:02.000000000 -0400
@@ -37,10 +37,18 @@
 #define SL_IBAT2	0x48
 #define SL_DBAT3	0x50
 #define SL_IBAT3	0x58
-#define SL_TB		0x60
-#define SL_R2		0x68
-#define SL_CR		0x6c
-#define SL_R12		0x70	/* r12 to r31 */
+#define SL_DBAT4	0x60
+#define SL_IBAT4	0x68
+#define SL_DBAT5	0x70
+#define SL_IBAT5	0x78
+#define SL_DBAT6	0x80
+#define SL_IBAT6	0x88
+#define SL_DBAT7	0x90
+#define SL_IBAT7	0x98
+#define SL_TB		0xa0
+#define SL_R2		0xa8
+#define SL_CR		0xac
+#define SL_R12		0xb0	/* r12 to r31 */
 #define SL_SIZE		(SL_R12 + 80)
 
 	.section .text
@@ -125,6 +133,41 @@ _GLOBAL(low_sleep_handler)
 	mfibatl	r4,3
 	stw	r4,SL_IBAT3+4(r1)
 
+BEGIN_MMU_FTR_SECTION
+	mfspr	r4,SPRN_DBAT4U
+	stw	r4,SL_DBAT4(r1)
+	mfspr	r4,SPRN_DBAT4L
+	stw	r4,SL_DBAT4+4(r1)
+	mfspr	r4,SPRN_DBAT5U
+	stw	r4,SL_DBAT5(r1)
+	mfspr	r4,SPRN_DBAT5L
+	stw	r4,SL_DBAT5+4(r1)
+	mfspr	r4,SPRN_DBAT6U
+	stw	r4,SL_DBAT6(r1)
+	mfspr	r4,SPRN_DBAT6L
+	stw	r4,SL_DBAT6+4(r1)
+	mfspr	r4,SPRN_DBAT7U
+	stw	r4,SL_DBAT7(r1)
+	mfspr	r4,SPRN_DBAT7L
+	stw	r4,SL_DBAT7+4(r1)
+	mfspr	r4,SPRN_IBAT4U
+	stw	r4,SL_IBAT4(r1)
+	mfspr	r4,SPRN_IBAT4L
+	stw	r4,SL_IBAT4+4(r1)
+	mfspr	r4,SPRN_IBAT5U
+	stw	r4,SL_IBAT5(r1)
+	mfspr	r4,SPRN_IBAT5L
+	stw	r4,SL_IBAT5+4(r1)
+	mfspr	r4,SPRN_IBAT6U
+	stw	r4,SL_IBAT6(r1)
+	mfspr	r4,SPRN_IBAT6L
+	stw	r4,SL_IBAT6+4(r1)
+	mfspr	r4,SPRN_IBAT7U
+	stw	r4,SL_IBAT7(r1)
+	mfspr	r4,SPRN_IBAT7L
+	stw	r4,SL_IBAT7+4(r1)
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
+
 	/* Backup various CPU config stuffs */
 	bl	__save_cpu_setup
 
@@ -325,22 +368,37 @@ grackle_wake_up:
 	mtibatl	3,r4
 
 BEGIN_MMU_FTR_SECTION
-	li	r4,0
+	lwz	r4,SL_DBAT4(r1)
 	mtspr	SPRN_DBAT4U,r4
+	lwz	r4,SL_DBAT4+4(r1)
 	mtspr	SPRN_DBAT4L,r4
+	lwz	r4,SL_DBAT5(r1)
 	mtspr	SPRN_DBAT5U,r4
+	lwz	r4,SL_DBAT5+4(r1)
 	mtspr	SPRN_DBAT5L,r4
+	lwz	r4,SL_DBAT6(r1)
 	mtspr	SPRN_DBAT6U,r4
+	lwz	r4,SL_DBAT6+4(r1)
 	mtspr	SPRN_DBAT6L,r4
+	lwz	r4,SL_DBAT7(r1)
 	mtspr	SPRN_DBAT7U,r4
+	lwz	r4,SL_DBAT7+4(r1)
 	mtspr	SPRN_DBAT7L,r4
+	lwz	r4,SL_IBAT4(r1)
 	mtspr	SPRN_IBAT4U,r4
+	lwz	r4,SL_IBAT4+4(r1)
 	mtspr	SPRN_IBAT4L,r4
+	lwz	r4,SL_IBAT5(r1)
 	mtspr	SPRN_IBAT5U,r4
+	lwz	r4,SL_IBAT5+4(r1)
 	mtspr	SPRN_IBAT5L,r4
+	lwz	r4,SL_IBAT6(r1)
 	mtspr	SPRN_IBAT6U,r4
+	lwz	r4,SL_IBAT6+4(r1)
 	mtspr	SPRN_IBAT6L,r4
+	lwz	r4,SL_IBAT7(r1)
 	mtspr	SPRN_IBAT7U,r4
+	lwz	r4,SL_IBAT7+4(r1)
 	mtspr	SPRN_IBAT7L,r4
 END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/powerpc/sysdev/uic.c linux-libre-4.4.187-gnu/arch/powerpc/sysdev/uic.c
--- linux-libre-4.4.186-gnu/arch/powerpc/sysdev/uic.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/powerpc/sysdev/uic.c	2019-08-04 03:35:02.000000000 -0400
@@ -158,6 +158,7 @@ static int uic_set_irq_type(struct irq_d
 
 	mtdcr(uic->dcrbase + UIC_PR, pr);
 	mtdcr(uic->dcrbase + UIC_TR, tr);
+	mtdcr(uic->dcrbase + UIC_SR, ~mask);
 
 	raw_spin_unlock_irqrestore(&uic->lock, flags);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/sh/include/asm/io.h linux-libre-4.4.187-gnu/arch/sh/include/asm/io.h
--- linux-libre-4.4.186-gnu/arch/sh/include/asm/io.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/sh/include/asm/io.h	2019-08-04 03:35:02.000000000 -0400
@@ -370,7 +370,11 @@ static inline int iounmap_fixed(void __i
 
 #define ioremap_nocache	ioremap
 #define ioremap_uc	ioremap
-#define iounmap		__iounmap
+
+static inline void iounmap(void __iomem *addr)
+{
+	__iounmap(addr);
+}
 
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/um/include/asm/mmu_context.h linux-libre-4.4.187-gnu/arch/um/include/asm/mmu_context.h
--- linux-libre-4.4.186-gnu/arch/um/include/asm/mmu_context.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/um/include/asm/mmu_context.h	2019-08-04 03:35:02.000000000 -0400
@@ -42,7 +42,7 @@ static inline void activate_mm(struct mm
 	 * when the new ->mm is used for the first time.
 	 */
 	__switch_mm(&new->context.id);
-	down_write(&new->mmap_sem);
+	down_write_nested(&new->mmap_sem, 1);
 	uml_setup_stubs(new);
 	up_write(&new->mmap_sem);
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/x86/kernel/cpu/bugs.c linux-libre-4.4.187-gnu/arch/x86/kernel/cpu/bugs.c
--- linux-libre-4.4.186-gnu/arch/x86/kernel/cpu/bugs.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/x86/kernel/cpu/bugs.c	2019-08-04 03:35:02.000000000 -0400
@@ -1094,7 +1094,7 @@ static void __init l1tf_select_mitigatio
 static ssize_t mds_show_state(char *buf)
 {
 #ifdef CONFIG_HYPERVISOR_GUEST
-	if (x86_hyper) {
+	if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) {
 		return sprintf(buf, "%s; SMT Host state unknown\n",
 			       mds_strings[mds_mitigation]);
 	}
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/x86/kernel/cpu/mkcapflags.sh linux-libre-4.4.187-gnu/arch/x86/kernel/cpu/mkcapflags.sh
--- linux-libre-4.4.186-gnu/arch/x86/kernel/cpu/mkcapflags.sh	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/x86/kernel/cpu/mkcapflags.sh	2019-08-04 03:35:02.000000000 -0400
@@ -3,6 +3,8 @@
 # Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h
 #
 
+set -e
+
 IN=$1
 OUT=$2
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/x86/kernel/sysfb_efi.c linux-libre-4.4.187-gnu/arch/x86/kernel/sysfb_efi.c
--- linux-libre-4.4.186-gnu/arch/x86/kernel/sysfb_efi.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/x86/kernel/sysfb_efi.c	2019-08-04 03:35:02.000000000 -0400
@@ -216,9 +216,55 @@ static const struct dmi_system_id efifb_
 	{},
 };
 
+/*
+ * Some devices have a portrait LCD but advertise a landscape resolution (and
+ * pitch). We simply swap width and height for these devices so that we can
+ * correctly deal with some of them coming with multiple resolutions.
+ */
+static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = {
+	{
+		/*
+		 * Lenovo MIIX310-10ICR, only some batches have the troublesome
+		 * 800x1280 portrait screen. Luckily the portrait version has
+		 * its own BIOS version, so we match on that.
+		 */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"),
+			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1HCN44WW"),
+		},
+	},
+	{
+		/* Lenovo MIIX 320-10ICR with 800x1280 portrait screen */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_VERSION,
+					"Lenovo MIIX 320-10ICR"),
+		},
+	},
+	{
+		/* Lenovo D330 with 800x1280 or 1200x1920 portrait screen */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_VERSION,
+					"Lenovo ideapad D330-10IGM"),
+		},
+	},
+	{},
+};
+
 __init void sysfb_apply_efi_quirks(void)
 {
 	if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI ||
 	    !(screen_info.capabilities & VIDEO_CAPABILITY_SKIP_QUIRKS))
 		dmi_check_system(efifb_dmi_system_table);
+
+	if (screen_info.orig_video_isVGA == VIDEO_TYPE_EFI &&
+	    dmi_check_system(efifb_dmi_swap_width_height)) {
+		u16 temp = screen_info.lfb_width;
+
+		screen_info.lfb_width = screen_info.lfb_height;
+		screen_info.lfb_height = temp;
+		screen_info.lfb_linelength = 4 * screen_info.lfb_width;
+	}
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/arch/x86/kvm/pmu.c linux-libre-4.4.187-gnu/arch/x86/kvm/pmu.c
--- linux-libre-4.4.186-gnu/arch/x86/kvm/pmu.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/arch/x86/kvm/pmu.c	2019-08-04 03:35:02.000000000 -0400
@@ -124,8 +124,8 @@ static void pmc_reprogram_counter(struct
 						 intr ? kvm_perf_overflow_intr :
 						 kvm_perf_overflow, pmc);
 	if (IS_ERR(event)) {
-		printk_once("kvm_pmu: event creation failed %ld\n",
-			    PTR_ERR(event));
+		pr_debug_ratelimited("kvm_pmu: event creation failed %ld for pmc->idx = %d\n",
+			    PTR_ERR(event), pmc->idx);
 		return;
 	}
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/block/compat_ioctl.c linux-libre-4.4.187-gnu/block/compat_ioctl.c
--- linux-libre-4.4.186-gnu/block/compat_ioctl.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/block/compat_ioctl.c	2019-08-04 03:35:02.000000000 -0400
@@ -4,7 +4,6 @@
 #include <linux/cdrom.h>
 #include <linux/compat.h>
 #include <linux/elevator.h>
-#include <linux/fd.h>
 #include <linux/hdreg.h>
 #include <linux/slab.h>
 #include <linux/syscalls.h>
@@ -209,318 +208,6 @@ static int compat_blkpg_ioctl(struct blo
 #define BLKBSZSET_32		_IOW(0x12, 113, int)
 #define BLKGETSIZE64_32		_IOR(0x12, 114, int)
 
-struct compat_floppy_drive_params {
-	char		cmos;
-	compat_ulong_t	max_dtr;
-	compat_ulong_t	hlt;
-	compat_ulong_t	hut;
-	compat_ulong_t	srt;
-	compat_ulong_t	spinup;
-	compat_ulong_t	spindown;
-	unsigned char	spindown_offset;
-	unsigned char	select_delay;
-	unsigned char	rps;
-	unsigned char	tracks;
-	compat_ulong_t	timeout;
-	unsigned char	interleave_sect;
-	struct floppy_max_errors max_errors;
-	char		flags;
-	char		read_track;
-	short		autodetect[8];
-	compat_int_t	checkfreq;
-	compat_int_t	native_format;
-};
-
-struct compat_floppy_drive_struct {
-	signed char	flags;
-	compat_ulong_t	spinup_date;
-	compat_ulong_t	select_date;
-	compat_ulong_t	first_read_date;
-	short		probed_format;
-	short		track;
-	short		maxblock;
-	short		maxtrack;
-	compat_int_t	generation;
-	compat_int_t	keep_data;
-	compat_int_t	fd_ref;
-	compat_int_t	fd_device;
-	compat_int_t	last_checked;
-	compat_caddr_t dmabuf;
-	compat_int_t	bufblocks;
-};
-
-struct compat_floppy_fdc_state {
-	compat_int_t	spec1;
-	compat_int_t	spec2;
-	compat_int_t	dtr;
-	unsigned char	version;
-	unsigned char	dor;
-	compat_ulong_t	address;
-	unsigned int	rawcmd:2;
-	unsigned int	reset:1;
-	unsigned int	need_configure:1;
-	unsigned int	perp_mode:2;
-	unsigned int	has_fifo:1;
-	unsigned int	driver_version;
-	unsigned char	track[4];
-};
-
-struct compat_floppy_write_errors {
-	unsigned int	write_errors;
-	compat_ulong_t	first_error_sector;
-	compat_int_t	first_error_generation;
-	compat_ulong_t	last_error_sector;
-	compat_int_t	last_error_generation;
-	compat_uint_t	badness;
-};
-
-#define FDSETPRM32 _IOW(2, 0x42, struct compat_floppy_struct)
-#define FDDEFPRM32 _IOW(2, 0x43, struct compat_floppy_struct)
-#define FDSETDRVPRM32 _IOW(2, 0x90, struct compat_floppy_drive_params)
-#define FDGETDRVPRM32 _IOR(2, 0x11, struct compat_floppy_drive_params)
-#define FDGETDRVSTAT32 _IOR(2, 0x12, struct compat_floppy_drive_struct)
-#define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct compat_floppy_drive_struct)
-#define FDGETFDCSTAT32 _IOR(2, 0x15, struct compat_floppy_fdc_state)
-#define FDWERRORGET32  _IOR(2, 0x17, struct compat_floppy_write_errors)
-
-static struct {
-	unsigned int	cmd32;
-	unsigned int	cmd;
-} fd_ioctl_trans_table[] = {
-	{ FDSETPRM32, FDSETPRM },
-	{ FDDEFPRM32, FDDEFPRM },
-	{ FDGETPRM32, FDGETPRM },
-	{ FDSETDRVPRM32, FDSETDRVPRM },
-	{ FDGETDRVPRM32, FDGETDRVPRM },
-	{ FDGETDRVSTAT32, FDGETDRVSTAT },
-	{ FDPOLLDRVSTAT32, FDPOLLDRVSTAT },
-	{ FDGETFDCSTAT32, FDGETFDCSTAT },
-	{ FDWERRORGET32, FDWERRORGET }
-};
-
-#define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table)
-
-static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode,
-		unsigned int cmd, unsigned long arg)
-{
-	mm_segment_t old_fs = get_fs();
-	void *karg = NULL;
-	unsigned int kcmd = 0;
-	int i, err;
-
-	for (i = 0; i < NR_FD_IOCTL_TRANS; i++)
-		if (cmd == fd_ioctl_trans_table[i].cmd32) {
-			kcmd = fd_ioctl_trans_table[i].cmd;
-			break;
-		}
-	if (!kcmd)
-		return -EINVAL;
-
-	switch (cmd) {
-	case FDSETPRM32:
-	case FDDEFPRM32:
-	case FDGETPRM32:
-	{
-		compat_uptr_t name;
-		struct compat_floppy_struct __user *uf;
-		struct floppy_struct *f;
-
-		uf = compat_ptr(arg);
-		f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL);
-		if (!karg)
-			return -ENOMEM;
-		if (cmd == FDGETPRM32)
-			break;
-		err = __get_user(f->size, &uf->size);
-		err |= __get_user(f->sect, &uf->sect);
-		err |= __get_user(f->head, &uf->head);
-		err |= __get_user(f->track, &uf->track);
-		err |= __get_user(f->stretch, &uf->stretch);
-		err |= __get_user(f->gap, &uf->gap);
-		err |= __get_user(f->rate, &uf->rate);
-		err |= __get_user(f->spec1, &uf->spec1);
-		err |= __get_user(f->fmt_gap, &uf->fmt_gap);
-		err |= __get_user(name, &uf->name);
-		f->name = compat_ptr(name);
-		if (err) {
-			err = -EFAULT;
-			goto out;
-		}
-		break;
-	}
-	case FDSETDRVPRM32:
-	case FDGETDRVPRM32:
-	{
-		struct compat_floppy_drive_params __user *uf;
-		struct floppy_drive_params *f;
-
-		uf = compat_ptr(arg);
-		f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL);
-		if (!karg)
-			return -ENOMEM;
-		if (cmd == FDGETDRVPRM32)
-			break;
-		err = __get_user(f->cmos, &uf->cmos);
-		err |= __get_user(f->max_dtr, &uf->max_dtr);
-		err |= __get_user(f->hlt, &uf->hlt);
-		err |= __get_user(f->hut, &uf->hut);
-		err |= __get_user(f->srt, &uf->srt);
-		err |= __get_user(f->spinup, &uf->spinup);
-		err |= __get_user(f->spindown, &uf->spindown);
-		err |= __get_user(f->spindown_offset, &uf->spindown_offset);
-		err |= __get_user(f->select_delay, &uf->select_delay);
-		err |= __get_user(f->rps, &uf->rps);
-		err |= __get_user(f->tracks, &uf->tracks);
-		err |= __get_user(f->timeout, &uf->timeout);
-		err |= __get_user(f->interleave_sect, &uf->interleave_sect);
-		err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors));
-		err |= __get_user(f->flags, &uf->flags);
-		err |= __get_user(f->read_track, &uf->read_track);
-		err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect));
-		err |= __get_user(f->checkfreq, &uf->checkfreq);
-		err |= __get_user(f->native_format, &uf->native_format);
-		if (err) {
-			err = -EFAULT;
-			goto out;
-		}
-		break;
-	}
-	case FDGETDRVSTAT32:
-	case FDPOLLDRVSTAT32:
-		karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL);
-		if (!karg)
-			return -ENOMEM;
-		break;
-	case FDGETFDCSTAT32:
-		karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL);
-		if (!karg)
-			return -ENOMEM;
-		break;
-	case FDWERRORGET32:
-		karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL);
-		if (!karg)
-			return -ENOMEM;
-		break;
-	default:
-		return -EINVAL;
-	}
-	set_fs(KERNEL_DS);
-	err = __blkdev_driver_ioctl(bdev, mode, kcmd, (unsigned long)karg);
-	set_fs(old_fs);
-	if (err)
-		goto out;
-	switch (cmd) {
-	case FDGETPRM32:
-	{
-		struct floppy_struct *f = karg;
-		struct compat_floppy_struct __user *uf = compat_ptr(arg);
-
-		err = __put_user(f->size, &uf->size);
-		err |= __put_user(f->sect, &uf->sect);
-		err |= __put_user(f->head, &uf->head);
-		err |= __put_user(f->track, &uf->track);
-		err |= __put_user(f->stretch, &uf->stretch);
-		err |= __put_user(f->gap, &uf->gap);
-		err |= __put_user(f->rate, &uf->rate);
-		err |= __put_user(f->spec1, &uf->spec1);
-		err |= __put_user(f->fmt_gap, &uf->fmt_gap);
-		err |= __put_user((u64)f->name, (compat_caddr_t __user *)&uf->name);
-		break;
-	}
-	case FDGETDRVPRM32:
-	{
-		struct compat_floppy_drive_params __user *uf;
-		struct floppy_drive_params *f = karg;
-
-		uf = compat_ptr(arg);
-		err = __put_user(f->cmos, &uf->cmos);
-		err |= __put_user(f->max_dtr, &uf->max_dtr);
-		err |= __put_user(f->hlt, &uf->hlt);
-		err |= __put_user(f->hut, &uf->hut);
-		err |= __put_user(f->srt, &uf->srt);
-		err |= __put_user(f->spinup, &uf->spinup);
-		err |= __put_user(f->spindown, &uf->spindown);
-		err |= __put_user(f->spindown_offset, &uf->spindown_offset);
-		err |= __put_user(f->select_delay, &uf->select_delay);
-		err |= __put_user(f->rps, &uf->rps);
-		err |= __put_user(f->tracks, &uf->tracks);
-		err |= __put_user(f->timeout, &uf->timeout);
-		err |= __put_user(f->interleave_sect, &uf->interleave_sect);
-		err |= __copy_to_user(&uf->max_errors, &f->max_errors, sizeof(f->max_errors));
-		err |= __put_user(f->flags, &uf->flags);
-		err |= __put_user(f->read_track, &uf->read_track);
-		err |= __copy_to_user(uf->autodetect, f->autodetect, sizeof(f->autodetect));
-		err |= __put_user(f->checkfreq, &uf->checkfreq);
-		err |= __put_user(f->native_format, &uf->native_format);
-		break;
-	}
-	case FDGETDRVSTAT32:
-	case FDPOLLDRVSTAT32:
-	{
-		struct compat_floppy_drive_struct __user *uf;
-		struct floppy_drive_struct *f = karg;
-
-		uf = compat_ptr(arg);
-		err = __put_user(f->flags, &uf->flags);
-		err |= __put_user(f->spinup_date, &uf->spinup_date);
-		err |= __put_user(f->select_date, &uf->select_date);
-		err |= __put_user(f->first_read_date, &uf->first_read_date);
-		err |= __put_user(f->probed_format, &uf->probed_format);
-		err |= __put_user(f->track, &uf->track);
-		err |= __put_user(f->maxblock, &uf->maxblock);
-		err |= __put_user(f->maxtrack, &uf->maxtrack);
-		err |= __put_user(f->generation, &uf->generation);
-		err |= __put_user(f->keep_data, &uf->keep_data);
-		err |= __put_user(f->fd_ref, &uf->fd_ref);
-		err |= __put_user(f->fd_device, &uf->fd_device);
-		err |= __put_user(f->last_checked, &uf->last_checked);
-		err |= __put_user((u64)f->dmabuf, &uf->dmabuf);
-		err |= __put_user((u64)f->bufblocks, &uf->bufblocks);
-		break;
-	}
-	case FDGETFDCSTAT32:
-	{
-		struct compat_floppy_fdc_state __user *uf;
-		struct floppy_fdc_state *f = karg;
-
-		uf = compat_ptr(arg);
-		err = __put_user(f->spec1, &uf->spec1);
-		err |= __put_user(f->spec2, &uf->spec2);
-		err |= __put_user(f->dtr, &uf->dtr);
-		err |= __put_user(f->version, &uf->version);
-		err |= __put_user(f->dor, &uf->dor);
-		err |= __put_user(f->address, &uf->address);
-		err |= __copy_to_user((char __user *)&uf->address + sizeof(uf->address),
-				   (char *)&f->address + sizeof(f->address), sizeof(int));
-		err |= __put_user(f->driver_version, &uf->driver_version);
-		err |= __copy_to_user(uf->track, f->track, sizeof(f->track));
-		break;
-	}
-	case FDWERRORGET32:
-	{
-		struct compat_floppy_write_errors __user *uf;
-		struct floppy_write_errors *f = karg;
-
-		uf = compat_ptr(arg);
-		err = __put_user(f->write_errors, &uf->write_errors);
-		err |= __put_user(f->first_error_sector, &uf->first_error_sector);
-		err |= __put_user(f->first_error_generation, &uf->first_error_generation);
-		err |= __put_user(f->last_error_sector, &uf->last_error_sector);
-		err |= __put_user(f->last_error_generation, &uf->last_error_generation);
-		err |= __put_user(f->badness, &uf->badness);
-		break;
-	}
-	default:
-		break;
-	}
-	if (err)
-		err = -EFAULT;
-
-out:
-	kfree(karg);
-	return err;
-}
-
 static int compat_blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned cmd, unsigned long arg)
 {
@@ -537,16 +224,6 @@ static int compat_blkdev_driver_ioctl(st
 	case HDIO_GET_ADDRESS:
 	case HDIO_GET_BUSSTATE:
 		return compat_hdio_ioctl(bdev, mode, cmd, arg);
-	case FDSETPRM32:
-	case FDDEFPRM32:
-	case FDGETPRM32:
-	case FDSETDRVPRM32:
-	case FDGETDRVPRM32:
-	case FDGETDRVSTAT32:
-	case FDPOLLDRVSTAT32:
-	case FDGETFDCSTAT32:
-	case FDWERRORGET32:
-		return compat_fd_ioctl(bdev, mode, cmd, arg);
 	case CDROMREADAUDIO:
 		return compat_cdrom_read_audio(bdev, mode, cmd, arg);
 	case CDROM_SEND_PACKET:
@@ -566,23 +243,6 @@ static int compat_blkdev_driver_ioctl(st
 	case HDIO_DRIVE_CMD:
 	/* 0x330 is reserved -- it used to be HDIO_GETGEO_BIG */
 	case 0x330:
-	/* 0x02 -- Floppy ioctls */
-	case FDMSGON:
-	case FDMSGOFF:
-	case FDSETEMSGTRESH:
-	case FDFLUSH:
-	case FDWERRORCLR:
-	case FDSETMAXERRS:
-	case FDGETMAXERRS:
-	case FDGETDRVTYP:
-	case FDEJECT:
-	case FDCLRPRM:
-	case FDFMTBEG:
-	case FDFMTEND:
-	case FDRESET:
-	case FDTWADDLE:
-	case FDFMTTRK:
-	case FDRAWCMD:
 	/* CDROM stuff */
 	case CDROMPAUSE:
 	case CDROMRESUME:
diff -druNp --no-dereference linux-libre-4.4.186-gnu/crypto/ghash-generic.c linux-libre-4.4.187-gnu/crypto/ghash-generic.c
--- linux-libre-4.4.186-gnu/crypto/ghash-generic.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/crypto/ghash-generic.c	2019-08-04 03:35:02.000000000 -0400
@@ -34,6 +34,7 @@ static int ghash_setkey(struct crypto_sh
 			const u8 *key, unsigned int keylen)
 {
 	struct ghash_ctx *ctx = crypto_shash_ctx(tfm);
+	be128 k;
 
 	if (keylen != GHASH_BLOCK_SIZE) {
 		crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
@@ -42,7 +43,12 @@ static int ghash_setkey(struct crypto_sh
 
 	if (ctx->gf128)
 		gf128mul_free_4k(ctx->gf128);
-	ctx->gf128 = gf128mul_init_4k_lle((be128 *)key);
+
+	BUILD_BUG_ON(sizeof(k) != GHASH_BLOCK_SIZE);
+	memcpy(&k, key, GHASH_BLOCK_SIZE); /* avoid violating alignment rules */
+	ctx->gf128 = gf128mul_init_4k_lle(&k);
+	memzero_explicit(&k, GHASH_BLOCK_SIZE);
+
 	if (!ctx->gf128)
 		return -ENOMEM;
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/base/regmap/regmap.c linux-libre-4.4.187-gnu/drivers/base/regmap/regmap.c
--- linux-libre-4.4.186-gnu/drivers/base/regmap/regmap.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/base/regmap/regmap.c	2019-08-04 03:35:02.000000000 -0400
@@ -1358,6 +1358,8 @@ int _regmap_raw_write(struct regmap *map
 					     map->format.reg_bytes +
 					     map->format.pad_bytes,
 					     val, val_len);
+	else
+		ret = -ENOTSUPP;
 
 	/* If that didn't work fall back on linearising by hand. */
 	if (ret == -ENOTSUPP) {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/block/floppy.c linux-libre-4.4.187-gnu/drivers/block/floppy.c
--- linux-libre-4.4.186-gnu/drivers/block/floppy.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/block/floppy.c	2019-08-04 03:35:02.000000000 -0400
@@ -192,6 +192,7 @@ static int print_unex = 1;
 #include <linux/io.h>
 #include <linux/uaccess.h>
 #include <linux/async.h>
+#include <linux/compat.h>
 
 /*
  * PS/2 floppies have much slower step rates than regular floppies.
@@ -2113,6 +2114,9 @@ static void setup_format_params(int trac
 	raw_cmd->kernel_data = floppy_track_buffer;
 	raw_cmd->length = 4 * F_SECT_PER_TRACK;
 
+	if (!F_SECT_PER_TRACK)
+		return;
+
 	/* allow for about 30ms for data transport per track */
 	head_shift = (F_SECT_PER_TRACK + 5) / 6;
 
@@ -3233,8 +3237,12 @@ static int set_geometry(unsigned int cmd
 	int cnt;
 
 	/* sanity checking for parameters. */
-	if (g->sect <= 0 ||
-	    g->head <= 0 ||
+	if ((int)g->sect <= 0 ||
+	    (int)g->head <= 0 ||
+	    /* check for overflow in max_sector */
+	    (int)(g->sect * g->head) <= 0 ||
+	    /* check for zero in F_SECT_PER_TRACK */
+	    (unsigned char)((g->sect << 2) >> FD_SIZECODE(g)) == 0 ||
 	    g->track <= 0 || g->track > UDP->tracks >> STRETCH(g) ||
 	    /* check if reserved bits are set */
 	    (g->stretch & ~(FD_STRETCH | FD_SWAPSIDES | FD_SECTBASEMASK)) != 0)
@@ -3378,6 +3386,24 @@ static int fd_getgeo(struct block_device
 	return 0;
 }
 
+static bool valid_floppy_drive_params(const short autodetect[8],
+		int native_format)
+{
+	size_t floppy_type_size = ARRAY_SIZE(floppy_type);
+	size_t i = 0;
+
+	for (i = 0; i < 8; ++i) {
+		if (autodetect[i] < 0 ||
+		    autodetect[i] >= floppy_type_size)
+			return false;
+	}
+
+	if (native_format < 0 || native_format >= floppy_type_size)
+		return false;
+
+	return true;
+}
+
 static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
 		    unsigned long param)
 {
@@ -3504,6 +3530,9 @@ static int fd_locked_ioctl(struct block_
 		SUPBOUND(size, strlen((const char *)outparam) + 1);
 		break;
 	case FDSETDRVPRM:
+		if (!valid_floppy_drive_params(inparam.dp.autodetect,
+				inparam.dp.native_format))
+			return -EINVAL;
 		*UDP = inparam.dp;
 		break;
 	case FDGETDRVPRM:
@@ -3569,6 +3598,332 @@ static int fd_ioctl(struct block_device
 	return ret;
 }
 
+#ifdef CONFIG_COMPAT
+
+struct compat_floppy_drive_params {
+	char		cmos;
+	compat_ulong_t	max_dtr;
+	compat_ulong_t	hlt;
+	compat_ulong_t	hut;
+	compat_ulong_t	srt;
+	compat_ulong_t	spinup;
+	compat_ulong_t	spindown;
+	unsigned char	spindown_offset;
+	unsigned char	select_delay;
+	unsigned char	rps;
+	unsigned char	tracks;
+	compat_ulong_t	timeout;
+	unsigned char	interleave_sect;
+	struct floppy_max_errors max_errors;
+	char		flags;
+	char		read_track;
+	short		autodetect[8];
+	compat_int_t	checkfreq;
+	compat_int_t	native_format;
+};
+
+struct compat_floppy_drive_struct {
+	signed char	flags;
+	compat_ulong_t	spinup_date;
+	compat_ulong_t	select_date;
+	compat_ulong_t	first_read_date;
+	short		probed_format;
+	short		track;
+	short		maxblock;
+	short		maxtrack;
+	compat_int_t	generation;
+	compat_int_t	keep_data;
+	compat_int_t	fd_ref;
+	compat_int_t	fd_device;
+	compat_int_t	last_checked;
+	compat_caddr_t dmabuf;
+	compat_int_t	bufblocks;
+};
+
+struct compat_floppy_fdc_state {
+	compat_int_t	spec1;
+	compat_int_t	spec2;
+	compat_int_t	dtr;
+	unsigned char	version;
+	unsigned char	dor;
+	compat_ulong_t	address;
+	unsigned int	rawcmd:2;
+	unsigned int	reset:1;
+	unsigned int	need_configure:1;
+	unsigned int	perp_mode:2;
+	unsigned int	has_fifo:1;
+	unsigned int	driver_version;
+	unsigned char	track[4];
+};
+
+struct compat_floppy_write_errors {
+	unsigned int	write_errors;
+	compat_ulong_t	first_error_sector;
+	compat_int_t	first_error_generation;
+	compat_ulong_t	last_error_sector;
+	compat_int_t	last_error_generation;
+	compat_uint_t	badness;
+};
+
+#define FDSETPRM32 _IOW(2, 0x42, struct compat_floppy_struct)
+#define FDDEFPRM32 _IOW(2, 0x43, struct compat_floppy_struct)
+#define FDSETDRVPRM32 _IOW(2, 0x90, struct compat_floppy_drive_params)
+#define FDGETDRVPRM32 _IOR(2, 0x11, struct compat_floppy_drive_params)
+#define FDGETDRVSTAT32 _IOR(2, 0x12, struct compat_floppy_drive_struct)
+#define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct compat_floppy_drive_struct)
+#define FDGETFDCSTAT32 _IOR(2, 0x15, struct compat_floppy_fdc_state)
+#define FDWERRORGET32  _IOR(2, 0x17, struct compat_floppy_write_errors)
+
+static int compat_set_geometry(struct block_device *bdev, fmode_t mode, unsigned int cmd,
+		    struct compat_floppy_struct __user *arg)
+{
+	struct floppy_struct v;
+	int drive, type;
+	int err;
+
+	BUILD_BUG_ON(offsetof(struct floppy_struct, name) !=
+		     offsetof(struct compat_floppy_struct, name));
+
+	if (!(mode & (FMODE_WRITE | FMODE_WRITE_IOCTL)))
+		return -EPERM;
+
+	memset(&v, 0, sizeof(struct floppy_struct));
+	if (copy_from_user(&v, arg, offsetof(struct floppy_struct, name)))
+		return -EFAULT;
+
+	mutex_lock(&floppy_mutex);
+	drive = (long)bdev->bd_disk->private_data;
+	type = ITYPE(UDRS->fd_device);
+	err = set_geometry(cmd == FDSETPRM32 ? FDSETPRM : FDDEFPRM,
+			&v, drive, type, bdev);
+	mutex_unlock(&floppy_mutex);
+	return err;
+}
+
+static int compat_get_prm(int drive,
+			  struct compat_floppy_struct __user *arg)
+{
+	struct compat_floppy_struct v;
+	struct floppy_struct *p;
+	int err;
+
+	memset(&v, 0, sizeof(v));
+	mutex_lock(&floppy_mutex);
+	err = get_floppy_geometry(drive, ITYPE(UDRS->fd_device), &p);
+	if (err) {
+		mutex_unlock(&floppy_mutex);
+		return err;
+	}
+	memcpy(&v, p, offsetof(struct floppy_struct, name));
+	mutex_unlock(&floppy_mutex);
+	if (copy_to_user(arg, &v, sizeof(struct compat_floppy_struct)))
+		return -EFAULT;
+	return 0;
+}
+
+static int compat_setdrvprm(int drive,
+			    struct compat_floppy_drive_params __user *arg)
+{
+	struct compat_floppy_drive_params v;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+	if (copy_from_user(&v, arg, sizeof(struct compat_floppy_drive_params)))
+		return -EFAULT;
+	if (!valid_floppy_drive_params(v.autodetect, v.native_format))
+		return -EINVAL;
+	mutex_lock(&floppy_mutex);
+	UDP->cmos = v.cmos;
+	UDP->max_dtr = v.max_dtr;
+	UDP->hlt = v.hlt;
+	UDP->hut = v.hut;
+	UDP->srt = v.srt;
+	UDP->spinup = v.spinup;
+	UDP->spindown = v.spindown;
+	UDP->spindown_offset = v.spindown_offset;
+	UDP->select_delay = v.select_delay;
+	UDP->rps = v.rps;
+	UDP->tracks = v.tracks;
+	UDP->timeout = v.timeout;
+	UDP->interleave_sect = v.interleave_sect;
+	UDP->max_errors = v.max_errors;
+	UDP->flags = v.flags;
+	UDP->read_track = v.read_track;
+	memcpy(UDP->autodetect, v.autodetect, sizeof(v.autodetect));
+	UDP->checkfreq = v.checkfreq;
+	UDP->native_format = v.native_format;
+	mutex_unlock(&floppy_mutex);
+	return 0;
+}
+
+static int compat_getdrvprm(int drive,
+			    struct compat_floppy_drive_params __user *arg)
+{
+	struct compat_floppy_drive_params v;
+
+	memset(&v, 0, sizeof(struct compat_floppy_drive_params));
+	mutex_lock(&floppy_mutex);
+	v.cmos = UDP->cmos;
+	v.max_dtr = UDP->max_dtr;
+	v.hlt = UDP->hlt;
+	v.hut = UDP->hut;
+	v.srt = UDP->srt;
+	v.spinup = UDP->spinup;
+	v.spindown = UDP->spindown;
+	v.spindown_offset = UDP->spindown_offset;
+	v.select_delay = UDP->select_delay;
+	v.rps = UDP->rps;
+	v.tracks = UDP->tracks;
+	v.timeout = UDP->timeout;
+	v.interleave_sect = UDP->interleave_sect;
+	v.max_errors = UDP->max_errors;
+	v.flags = UDP->flags;
+	v.read_track = UDP->read_track;
+	memcpy(v.autodetect, UDP->autodetect, sizeof(v.autodetect));
+	v.checkfreq = UDP->checkfreq;
+	v.native_format = UDP->native_format;
+	mutex_unlock(&floppy_mutex);
+
+	if (copy_from_user(arg, &v, sizeof(struct compat_floppy_drive_params)))
+		return -EFAULT;
+	return 0;
+}
+
+static int compat_getdrvstat(int drive, bool poll,
+			    struct compat_floppy_drive_struct __user *arg)
+{
+	struct compat_floppy_drive_struct v;
+
+	memset(&v, 0, sizeof(struct compat_floppy_drive_struct));
+	mutex_lock(&floppy_mutex);
+
+	if (poll) {
+		if (lock_fdc(drive, true))
+			goto Eintr;
+		if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR)
+			goto Eintr;
+		process_fd_request();
+	}
+	v.spinup_date = UDRS->spinup_date;
+	v.select_date = UDRS->select_date;
+	v.first_read_date = UDRS->first_read_date;
+	v.probed_format = UDRS->probed_format;
+	v.track = UDRS->track;
+	v.maxblock = UDRS->maxblock;
+	v.maxtrack = UDRS->maxtrack;
+	v.generation = UDRS->generation;
+	v.keep_data = UDRS->keep_data;
+	v.fd_ref = UDRS->fd_ref;
+	v.fd_device = UDRS->fd_device;
+	v.last_checked = UDRS->last_checked;
+	v.dmabuf = (uintptr_t)UDRS->dmabuf;
+	v.bufblocks = UDRS->bufblocks;
+	mutex_unlock(&floppy_mutex);
+
+	if (copy_from_user(arg, &v, sizeof(struct compat_floppy_drive_struct)))
+		return -EFAULT;
+	return 0;
+Eintr:
+	mutex_unlock(&floppy_mutex);
+	return -EINTR;
+}
+
+static int compat_getfdcstat(int drive,
+			    struct compat_floppy_fdc_state __user *arg)
+{
+	struct compat_floppy_fdc_state v32;
+	struct floppy_fdc_state v;
+
+	mutex_lock(&floppy_mutex);
+	v = *UFDCS;
+	mutex_unlock(&floppy_mutex);
+
+	memset(&v32, 0, sizeof(struct compat_floppy_fdc_state));
+	v32.spec1 = v.spec1;
+	v32.spec2 = v.spec2;
+	v32.dtr = v.dtr;
+	v32.version = v.version;
+	v32.dor = v.dor;
+	v32.address = v.address;
+	v32.rawcmd = v.rawcmd;
+	v32.reset = v.reset;
+	v32.need_configure = v.need_configure;
+	v32.perp_mode = v.perp_mode;
+	v32.has_fifo = v.has_fifo;
+	v32.driver_version = v.driver_version;
+	memcpy(v32.track, v.track, 4);
+	if (copy_to_user(arg, &v32, sizeof(struct compat_floppy_fdc_state)))
+		return -EFAULT;
+	return 0;
+}
+
+static int compat_werrorget(int drive,
+			    struct compat_floppy_write_errors __user *arg)
+{
+	struct compat_floppy_write_errors v32;
+	struct floppy_write_errors v;
+
+	memset(&v32, 0, sizeof(struct compat_floppy_write_errors));
+	mutex_lock(&floppy_mutex);
+	v = *UDRWE;
+	mutex_unlock(&floppy_mutex);
+	v32.write_errors = v.write_errors;
+	v32.first_error_sector = v.first_error_sector;
+	v32.first_error_generation = v.first_error_generation;
+	v32.last_error_sector = v.last_error_sector;
+	v32.last_error_generation = v.last_error_generation;
+	v32.badness = v.badness;
+	if (copy_to_user(arg, &v32, sizeof(struct compat_floppy_write_errors)))
+		return -EFAULT;
+	return 0;
+}
+
+static int fd_compat_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
+		    unsigned long param)
+{
+	int drive = (long)bdev->bd_disk->private_data;
+	switch (cmd) {
+	case FDMSGON:
+	case FDMSGOFF:
+	case FDSETEMSGTRESH:
+	case FDFLUSH:
+	case FDWERRORCLR:
+	case FDEJECT:
+	case FDCLRPRM:
+	case FDFMTBEG:
+	case FDRESET:
+	case FDTWADDLE:
+		return fd_ioctl(bdev, mode, cmd, param);
+	case FDSETMAXERRS:
+	case FDGETMAXERRS:
+	case FDGETDRVTYP:
+	case FDFMTEND:
+	case FDFMTTRK:
+	case FDRAWCMD:
+		return fd_ioctl(bdev, mode, cmd,
+				(unsigned long)compat_ptr(param));
+	case FDSETPRM32:
+	case FDDEFPRM32:
+		return compat_set_geometry(bdev, mode, cmd, compat_ptr(param));
+	case FDGETPRM32:
+		return compat_get_prm(drive, compat_ptr(param));
+	case FDSETDRVPRM32:
+		return compat_setdrvprm(drive, compat_ptr(param));
+	case FDGETDRVPRM32:
+		return compat_getdrvprm(drive, compat_ptr(param));
+	case FDPOLLDRVSTAT32:
+		return compat_getdrvstat(drive, true, compat_ptr(param));
+	case FDGETDRVSTAT32:
+		return compat_getdrvstat(drive, false, compat_ptr(param));
+	case FDGETFDCSTAT32:
+		return compat_getfdcstat(drive, compat_ptr(param));
+	case FDWERRORGET32:
+		return compat_werrorget(drive, compat_ptr(param));
+	}
+	return -EINVAL;
+}
+#endif
+
 static void __init config_types(void)
 {
 	bool has_drive = false;
@@ -3885,6 +4240,9 @@ static const struct block_device_operati
 	.getgeo			= fd_getgeo,
 	.check_events		= floppy_check_events,
 	.revalidate_disk	= floppy_revalidate,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl		= fd_compat_ioctl,
+#endif
 };
 
 /*
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/bluetooth/hci_ath.c linux-libre-4.4.187-gnu/drivers/bluetooth/hci_ath.c
--- linux-libre-4.4.186-gnu/drivers/bluetooth/hci_ath.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/bluetooth/hci_ath.c	2019-08-04 03:35:02.000000000 -0400
@@ -101,6 +101,9 @@ static int ath_open(struct hci_uart *hu)
 
 	BT_DBG("hu %p", hu);
 
+	if (!hci_uart_has_flow_control(hu))
+		return -EOPNOTSUPP;
+
 	ath = kzalloc(sizeof(*ath), GFP_KERNEL);
 	if (!ath)
 		return -ENOMEM;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/bluetooth/hci_bcm.c linux-libre-4.4.187-gnu/drivers/bluetooth/hci_bcm.c
--- linux-libre-4.4.186-gnu/drivers/bluetooth/hci_bcm.c	2019-07-21 15:49:41.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/bluetooth/hci_bcm.c	2019-08-05 01:02:36.000000000 -0400
@@ -279,6 +279,9 @@ static int bcm_open(struct hci_uart *hu)
 
 	bt_dev_dbg(hu->hdev, "hu %p", hu);
 
+	if (!hci_uart_has_flow_control(hu))
+		return -EOPNOTSUPP;
+
 	bcm = kzalloc(sizeof(*bcm), GFP_KERNEL);
 	if (!bcm)
 		return -ENOMEM;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/bluetooth/hci_bcsp.c linux-libre-4.4.187-gnu/drivers/bluetooth/hci_bcsp.c
--- linux-libre-4.4.186-gnu/drivers/bluetooth/hci_bcsp.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/bluetooth/hci_bcsp.c	2019-08-04 03:35:02.000000000 -0400
@@ -729,6 +729,11 @@ static int bcsp_close(struct hci_uart *h
 	skb_queue_purge(&bcsp->rel);
 	skb_queue_purge(&bcsp->unrel);
 
+	if (bcsp->rx_skb) {
+		kfree_skb(bcsp->rx_skb);
+		bcsp->rx_skb = NULL;
+	}
+
 	kfree(bcsp);
 	return 0;
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/bluetooth/hci_intel.c linux-libre-4.4.187-gnu/drivers/bluetooth/hci_intel.c
--- linux-libre-4.4.186-gnu/drivers/bluetooth/hci_intel.c	2019-07-21 15:50:00.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/bluetooth/hci_intel.c	2019-08-05 01:02:51.000000000 -0400
@@ -407,6 +407,9 @@ static int intel_open(struct hci_uart *h
 
 	BT_DBG("hu %p", hu);
 
+	if (!hci_uart_has_flow_control(hu))
+		return -EOPNOTSUPP;
+
 	intel = kzalloc(sizeof(*intel), GFP_KERNEL);
 	if (!intel)
 		return -ENOMEM;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/bluetooth/hci_ldisc.c linux-libre-4.4.187-gnu/drivers/bluetooth/hci_ldisc.c
--- linux-libre-4.4.186-gnu/drivers/bluetooth/hci_ldisc.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/bluetooth/hci_ldisc.c	2019-08-04 03:35:02.000000000 -0400
@@ -257,6 +257,15 @@ static int hci_uart_send_frame(struct hc
 	return 0;
 }
 
+/* Check the underlying device or tty has flow control support */
+bool hci_uart_has_flow_control(struct hci_uart *hu)
+{
+	if (hu->tty->driver->ops->tiocmget && hu->tty->driver->ops->tiocmset)
+		return true;
+
+	return false;
+}
+
 /* Flow control or un-flow control the device */
 void hci_uart_set_flow_control(struct hci_uart *hu, bool enable)
 {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/bluetooth/hci_uart.h linux-libre-4.4.187-gnu/drivers/bluetooth/hci_uart.h
--- linux-libre-4.4.186-gnu/drivers/bluetooth/hci_uart.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/bluetooth/hci_uart.h	2019-08-04 03:35:02.000000000 -0400
@@ -105,6 +105,7 @@ int hci_uart_tx_wakeup(struct hci_uart *
 int hci_uart_init_ready(struct hci_uart *hu);
 void hci_uart_init_tty(struct hci_uart *hu);
 void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed);
+bool hci_uart_has_flow_control(struct hci_uart *hu);
 void hci_uart_set_flow_control(struct hci_uart *hu, bool enable);
 void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed,
 			 unsigned int oper_speed);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/char/hpet.c linux-libre-4.4.187-gnu/drivers/char/hpet.c
--- linux-libre-4.4.186-gnu/drivers/char/hpet.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/char/hpet.c	2019-08-04 03:35:02.000000000 -0400
@@ -569,8 +569,7 @@ static inline unsigned long hpet_time_di
 	unsigned long long m;
 
 	m = hpets->hp_tick_freq + (dis >> 1);
-	do_div(m, dis);
-	return (unsigned long)m;
+	return div64_ul(m, dis);
 }
 
 static int
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/crypto/talitos.c linux-libre-4.4.187-gnu/drivers/crypto/talitos.c
--- linux-libre-4.4.186-gnu/drivers/crypto/talitos.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/crypto/talitos.c	2019-08-04 03:35:02.000000000 -0400
@@ -1446,11 +1446,15 @@ static void ablkcipher_done(struct devic
 			    int err)
 {
 	struct ablkcipher_request *areq = context;
+	struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
+	struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+	unsigned int ivsize = crypto_ablkcipher_ivsize(cipher);
 	struct talitos_edesc *edesc;
 
 	edesc = container_of(desc, struct talitos_edesc, desc);
 
 	common_nonsnoop_unmap(dev, edesc, areq);
+	memcpy(areq->info, ctx->iv, ivsize);
 
 	kfree(edesc);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/dma/imx-sdma.c linux-libre-4.4.187-gnu/drivers/dma/imx-sdma.c
--- linux-libre-4.4.186-gnu/drivers/dma/imx-sdma.c	2019-07-21 15:30:38.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/dma/imx-sdma.c	2019-08-05 00:47:33.000000000 -0400
@@ -1786,27 +1786,6 @@ static int sdma_probe(struct platform_de
 	if (pdata && pdata->script_addrs)
 		sdma_add_scripts(sdma, pdata->script_addrs);
 
-	if (pdata) {
-		ret = sdma_get_firmware(sdma, pdata->fw_name);
-		if (ret)
-			dev_warn(&pdev->dev, "failed to get firmware from platform data\n");
-	} else {
-		/*
-		 * Because that device tree does not encode ROM script address,
-		 * the RAM script in firmware is mandatory for device tree
-		 * probe, otherwise it fails.
-		 */
-		ret = of_property_read_string(np, "fsl,sdma-ram-script-name",
-					      &fw_name);
-		if (ret)
-			dev_warn(&pdev->dev, "failed to get firmware name\n");
-		else {
-			ret = sdma_get_firmware(sdma, fw_name);
-			if (ret)
-				dev_warn(&pdev->dev, "failed to get firmware from device tree\n");
-		}
-	}
-
 	sdma->dma_device.dev = &pdev->dev;
 
 	sdma->dma_device.device_alloc_chan_resources = sdma_alloc_chan_resources;
@@ -1848,6 +1827,33 @@ static int sdma_probe(struct platform_de
 		of_node_put(spba_bus);
 	}
 
+	/*
+	 * Kick off firmware loading as the very last step:
+	 * attempt to load firmware only if we're not on the error path, because
+	 * the firmware callback requires a fully functional and allocated sdma
+	 * instance.
+	 */
+	if (pdata) {
+		ret = sdma_get_firmware(sdma, pdata->fw_name);
+		if (ret)
+			dev_warn(&pdev->dev, "failed to get firmware from platform data\n");
+	} else {
+		/*
+		 * Because that device tree does not encode ROM script address,
+		 * the RAM script in firmware is mandatory for device tree
+		 * probe, otherwise it fails.
+		 */
+		ret = of_property_read_string(np, "fsl,sdma-ram-script-name",
+					      &fw_name);
+		if (ret) {
+			dev_warn(&pdev->dev, "failed to get firmware name\n");
+		} else {
+			ret = sdma_get_firmware(sdma, fw_name);
+			if (ret)
+				dev_warn(&pdev->dev, "failed to get firmware from device tree\n");
+		}
+	}
+
 	return 0;
 
 err_register:
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/edac/edac_mc_sysfs.c linux-libre-4.4.187-gnu/drivers/edac/edac_mc_sysfs.c
--- linux-libre-4.4.186-gnu/drivers/edac/edac_mc_sysfs.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/edac/edac_mc_sysfs.c	2019-08-04 03:35:02.000000000 -0400
@@ -26,7 +26,7 @@
 static int edac_mc_log_ue = 1;
 static int edac_mc_log_ce = 1;
 static int edac_mc_panic_on_ue;
-static int edac_mc_poll_msec = 1000;
+static unsigned int edac_mc_poll_msec = 1000;
 
 /* Getter functions for above */
 int edac_mc_get_log_ue(void)
@@ -45,30 +45,30 @@ int edac_mc_get_panic_on_ue(void)
 }
 
 /* this is temporary */
-int edac_mc_get_poll_msec(void)
+unsigned int edac_mc_get_poll_msec(void)
 {
 	return edac_mc_poll_msec;
 }
 
 static int edac_set_poll_msec(const char *val, struct kernel_param *kp)
 {
-	unsigned long l;
+	unsigned int i;
 	int ret;
 
 	if (!val)
 		return -EINVAL;
 
-	ret = kstrtoul(val, 0, &l);
+	ret = kstrtouint(val, 0, &i);
 	if (ret)
 		return ret;
 
-	if (l < 1000)
+	if (i < 1000)
 		return -EINVAL;
 
-	*((unsigned long *)kp->arg) = l;
+	*((unsigned int *)kp->arg) = i;
 
 	/* notify edac_mc engine to reset the poll period */
-	edac_mc_reset_delay_period(l);
+	edac_mc_reset_delay_period(i);
 
 	return 0;
 }
@@ -82,7 +82,7 @@ MODULE_PARM_DESC(edac_mc_log_ue,
 module_param(edac_mc_log_ce, int, 0644);
 MODULE_PARM_DESC(edac_mc_log_ce,
 		 "Log correctable error to console: 0=off 1=on");
-module_param_call(edac_mc_poll_msec, edac_set_poll_msec, param_get_int,
+module_param_call(edac_mc_poll_msec, edac_set_poll_msec, param_get_uint,
 		  &edac_mc_poll_msec, 0644);
 MODULE_PARM_DESC(edac_mc_poll_msec, "Polling period in milliseconds");
 
@@ -426,6 +426,8 @@ static inline int nr_pages_per_csrow(str
 static int edac_create_csrow_object(struct mem_ctl_info *mci,
 				    struct csrow_info *csrow, int index)
 {
+	int err;
+
 	csrow->dev.type = &csrow_attr_type;
 	csrow->dev.bus = mci->bus;
 	csrow->dev.groups = csrow_dev_groups;
@@ -438,7 +440,11 @@ static int edac_create_csrow_object(stru
 	edac_dbg(0, "creating (virtual) csrow node %s\n",
 		 dev_name(&csrow->dev));
 
-	return device_add(&csrow->dev);
+	err = device_add(&csrow->dev);
+	if (err)
+		put_device(&csrow->dev);
+
+	return err;
 }
 
 /* Create a CSROW object under specifed edac_mc_device */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/edac/edac_module.h linux-libre-4.4.187-gnu/drivers/edac/edac_module.h
--- linux-libre-4.4.186-gnu/drivers/edac/edac_module.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/edac/edac_module.h	2019-08-04 03:35:02.000000000 -0400
@@ -33,7 +33,7 @@ extern int edac_mc_get_log_ue(void);
 extern int edac_mc_get_log_ce(void);
 extern int edac_mc_get_panic_on_ue(void);
 extern int edac_get_poll_msec(void);
-extern int edac_mc_get_poll_msec(void);
+extern unsigned int edac_mc_get_poll_msec(void);
 
 unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
 				 unsigned len);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/gpio/gpio-omap.c linux-libre-4.4.187-gnu/drivers/gpio/gpio-omap.c
--- linux-libre-4.4.186-gnu/drivers/gpio/gpio-omap.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/gpio/gpio-omap.c	2019-08-04 03:35:02.000000000 -0400
@@ -821,9 +821,9 @@ static void omap_gpio_irq_shutdown(struc
 
 	raw_spin_lock_irqsave(&bank->lock, flags);
 	bank->irq_usage &= ~(BIT(offset));
-	omap_set_gpio_irqenable(bank, offset, 0);
-	omap_clear_gpio_irqstatus(bank, offset);
 	omap_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);
+	omap_clear_gpio_irqstatus(bank, offset);
+	omap_set_gpio_irqenable(bank, offset, 0);
 	if (!LINE_USED(bank->mod_usage, offset))
 		omap_clear_gpio_debounce(bank, offset);
 	omap_disable_gpio_module(bank, offset);
@@ -865,8 +865,8 @@ static void omap_gpio_mask_irq(struct ir
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&bank->lock, flags);
-	omap_set_gpio_irqenable(bank, offset, 0);
 	omap_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);
+	omap_set_gpio_irqenable(bank, offset, 0);
 	raw_spin_unlock_irqrestore(&bank->lock, flags);
 }
 
@@ -878,9 +878,6 @@ static void omap_gpio_unmask_irq(struct
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&bank->lock, flags);
-	if (trigger)
-		omap_set_gpio_triggering(bank, offset, trigger);
-
 	omap_set_gpio_irqenable(bank, offset, 1);
 
 	/*
@@ -888,9 +885,13 @@ static void omap_gpio_unmask_irq(struct
 	 * is cleared, thus after the handler has run. OMAP4 needs this done
 	 * after enabing the interrupt to clear the wakeup status.
 	 */
-	if (bank->level_mask & BIT(offset))
+	if (bank->regs->leveldetect0 && bank->regs->wkup_en &&
+	    trigger & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
 		omap_clear_gpio_irqstatus(bank, offset);
 
+	if (trigger)
+		omap_set_gpio_triggering(bank, offset, trigger);
+
 	raw_spin_unlock_irqrestore(&bank->lock, flags);
 }
 
@@ -1611,6 +1612,8 @@ static struct omap_gpio_reg_offs omap4_g
 	.clr_dataout =		OMAP4_GPIO_CLEARDATAOUT,
 	.irqstatus =		OMAP4_GPIO_IRQSTATUS0,
 	.irqstatus2 =		OMAP4_GPIO_IRQSTATUS1,
+	.irqstatus_raw0 =	OMAP4_GPIO_IRQSTATUSRAW0,
+	.irqstatus_raw1 =	OMAP4_GPIO_IRQSTATUSRAW1,
 	.irqenable =		OMAP4_GPIO_IRQSTATUSSET0,
 	.irqenable2 =		OMAP4_GPIO_IRQSTATUSSET1,
 	.set_irqenable =	OMAP4_GPIO_IRQSTATUSSET0,
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c linux-libre-4.4.187-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c
--- linux-libre-4.4.186-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c	2019-08-04 03:35:02.000000000 -0400
@@ -185,6 +185,25 @@ nvkm_i2c_fini(struct nvkm_subdev *subdev
 }
 
 static int
+nvkm_i2c_preinit(struct nvkm_subdev *subdev)
+{
+	struct nvkm_i2c *i2c = nvkm_i2c(subdev);
+	struct nvkm_i2c_bus *bus;
+	struct nvkm_i2c_pad *pad;
+
+	/*
+	 * We init our i2c busses as early as possible, since they may be
+	 * needed by the vbios init scripts on some cards
+	 */
+	list_for_each_entry(pad, &i2c->pad, head)
+		nvkm_i2c_pad_init(pad);
+	list_for_each_entry(bus, &i2c->bus, head)
+		nvkm_i2c_bus_init(bus);
+
+	return 0;
+}
+
+static int
 nvkm_i2c_init(struct nvkm_subdev *subdev)
 {
 	struct nvkm_i2c *i2c = nvkm_i2c(subdev);
@@ -238,6 +257,7 @@ nvkm_i2c_dtor(struct nvkm_subdev *subdev
 static const struct nvkm_subdev_func
 nvkm_i2c = {
 	.dtor = nvkm_i2c_dtor,
+	.preinit = nvkm_i2c_preinit,
 	.init = nvkm_i2c_init,
 	.fini = nvkm_i2c_fini,
 	.intr = nvkm_i2c_intr,
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/gpu/drm/panel/panel-simple.c linux-libre-4.4.187-gnu/drivers/gpu/drm/panel/panel-simple.c
--- linux-libre-4.4.186-gnu/drivers/gpu/drm/panel/panel-simple.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/gpu/drm/panel/panel-simple.c	2019-08-04 03:35:02.000000000 -0400
@@ -1389,7 +1389,14 @@ static int panel_simple_dsi_probe(struct
 	dsi->format = desc->format;
 	dsi->lanes = desc->lanes;
 
-	return mipi_dsi_attach(dsi);
+	err = mipi_dsi_attach(dsi);
+	if (err) {
+		struct panel_simple *panel = dev_get_drvdata(&dsi->dev);
+
+		drm_panel_remove(&panel->base);
+	}
+
+	return err;
 }
 
 static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c linux-libre-4.4.187-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c
--- linux-libre-4.4.186-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c	2019-08-04 03:35:02.000000000 -0400
@@ -535,6 +535,9 @@ static int virtio_gpu_get_caps_ioctl(str
 	ret = wait_event_timeout(vgdev->resp_wq,
 				 atomic_read(&cache_ent->is_valid), 5 * HZ);
 
+	/* is_valid check must proceed before copy of the cache entry. */
+	smp_rmb();
+
 	ptr = cache_ent->caps_cache;
 
 copy_exit:
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/gpu/drm/virtio/virtgpu_vq.c linux-libre-4.4.187-gnu/drivers/gpu/drm/virtio/virtgpu_vq.c
--- linux-libre-4.4.186-gnu/drivers/gpu/drm/virtio/virtgpu_vq.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/gpu/drm/virtio/virtgpu_vq.c	2019-08-04 03:35:02.000000000 -0400
@@ -618,6 +618,8 @@ static void virtio_gpu_cmd_capset_cb(str
 		    cache_ent->id == le32_to_cpu(cmd->capset_id)) {
 			memcpy(cache_ent->caps_cache, resp->capset_data,
 			       cache_ent->size);
+			/* Copy must occur before is_valid is signalled. */
+			smp_wmb();
 			atomic_set(&cache_ent->is_valid, 1);
 			break;
 		}
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/gpu/ipu-v3/ipu-ic.c linux-libre-4.4.187-gnu/drivers/gpu/ipu-v3/ipu-ic.c
--- linux-libre-4.4.186-gnu/drivers/gpu/ipu-v3/ipu-ic.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/gpu/ipu-v3/ipu-ic.c	2019-08-04 03:35:02.000000000 -0400
@@ -255,7 +255,7 @@ static int init_csc(struct ipu_ic *ic,
 	writel(param, base++);
 
 	param = ((a[0] & 0x1fe0) >> 5) | (params->scale << 8) |
-		(params->sat << 9);
+		(params->sat << 10);
 	writel(param, base++);
 
 	param = ((a[1] & 0x1f) << 27) | ((c[0][1] & 0x1ff) << 18) |
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/hwtracing/intel_th/msu.c linux-libre-4.4.187-gnu/drivers/hwtracing/intel_th/msu.c
--- linux-libre-4.4.186-gnu/drivers/hwtracing/intel_th/msu.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/hwtracing/intel_th/msu.c	2019-08-04 03:35:02.000000000 -0400
@@ -625,7 +625,7 @@ static int msc_buffer_contig_alloc(struc
 		goto err_out;
 
 	ret = -ENOMEM;
-	page = alloc_pages(GFP_KERNEL | __GFP_ZERO, order);
+	page = alloc_pages(GFP_KERNEL | __GFP_ZERO | GFP_DMA32, order);
 	if (!page)
 		goto err_free_sgt;
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/input/tablet/gtco.c linux-libre-4.4.187-gnu/drivers/input/tablet/gtco.c
--- linux-libre-4.4.186-gnu/drivers/input/tablet/gtco.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/input/tablet/gtco.c	2019-08-04 03:35:02.000000000 -0400
@@ -78,6 +78,7 @@ Scott Hill shill@gtcocalcomp.com
 
 /* Max size of a single report */
 #define REPORT_MAX_SIZE       10
+#define MAX_COLLECTION_LEVELS  10
 
 
 /* Bitmask whether pen is in range */
@@ -224,8 +225,7 @@ static void parse_hid_report_descriptor(
 	char  maintype = 'x';
 	char  globtype[12];
 	int   indent = 0;
-	char  indentstr[10] = "";
-
+	char  indentstr[MAX_COLLECTION_LEVELS + 1] = { 0 };
 
 	dev_dbg(ddev, "======>>>>>>PARSE<<<<<<======\n");
 
@@ -351,6 +351,13 @@ static void parse_hid_report_descriptor(
 			case TAG_MAIN_COL_START:
 				maintype = 'S';
 
+				if (indent == MAX_COLLECTION_LEVELS) {
+					dev_err(ddev, "Collection level %d would exceed limit of %d\n",
+						indent + 1,
+						MAX_COLLECTION_LEVELS);
+					break;
+				}
+
 				if (data == 0) {
 					dev_dbg(ddev, "======>>>>>> Physical\n");
 					strcpy(globtype, "Physical");
@@ -370,8 +377,15 @@ static void parse_hid_report_descriptor(
 				break;
 
 			case TAG_MAIN_COL_END:
-				dev_dbg(ddev, "<<<<<<======\n");
 				maintype = 'E';
+
+				if (indent == 0) {
+					dev_err(ddev, "Collection level already at zero\n");
+					break;
+				}
+
+				dev_dbg(ddev, "<<<<<<======\n");
+
 				indent--;
 				for (x = 0; x < indent; x++)
 					indentstr[x] = '-';
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/isdn/hardware/mISDN/hfcsusb.c linux-libre-4.4.187-gnu/drivers/isdn/hardware/mISDN/hfcsusb.c
--- linux-libre-4.4.186-gnu/drivers/isdn/hardware/mISDN/hfcsusb.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/isdn/hardware/mISDN/hfcsusb.c	2019-08-04 03:35:02.000000000 -0400
@@ -1963,6 +1963,9 @@ hfcsusb_probe(struct usb_interface *intf
 
 				/* get endpoint base */
 				idx = ((ep_addr & 0x7f) - 1) * 2;
+				if (idx > 15)
+					return -EIO;
+
 				if (ep_addr & 0x80)
 					idx++;
 				attr = ep->desc.bmAttributes;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/mailbox/mailbox.c linux-libre-4.4.187-gnu/drivers/mailbox/mailbox.c
--- linux-libre-4.4.186-gnu/drivers/mailbox/mailbox.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/mailbox/mailbox.c	2019-08-04 03:35:02.000000000 -0400
@@ -389,11 +389,13 @@ struct mbox_chan *mbox_request_channel_b
 
 	of_property_for_each_string(np, "mbox-names", prop, mbox_name) {
 		if (!strncmp(name, mbox_name, strlen(name)))
-			break;
+			return mbox_request_channel(cl, index);
 		index++;
 	}
 
-	return mbox_request_channel(cl, index);
+	dev_err(cl->dev, "%s() could not locate channel named \"%s\"\n",
+		__func__, name);
+	return ERR_PTR(-EINVAL);
 }
 EXPORT_SYMBOL_GPL(mbox_request_channel_byname);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/md/bcache/super.c linux-libre-4.4.187-gnu/drivers/md/bcache/super.c
--- linux-libre-4.4.186-gnu/drivers/md/bcache/super.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/md/bcache/super.c	2019-08-04 03:35:02.000000000 -0400
@@ -1403,7 +1403,7 @@ static void cache_set_flush(struct closu
 	kobject_put(&c->internal);
 	kobject_del(&c->kobj);
 
-	if (c->gc_thread)
+	if (!IS_ERR_OR_NULL(c->gc_thread))
 		kthread_stop(c->gc_thread);
 
 	if (!IS_ERR_OR_NULL(c->root))
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/md/dm-bufio.c linux-libre-4.4.187-gnu/drivers/md/dm-bufio.c
--- linux-libre-4.4.186-gnu/drivers/md/dm-bufio.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/md/dm-bufio.c	2019-08-04 03:35:02.000000000 -0400
@@ -1561,9 +1561,7 @@ dm_bufio_shrink_scan(struct shrinker *sh
 	unsigned long freed;
 
 	c = container_of(shrink, struct dm_bufio_client, shrinker);
-	if (sc->gfp_mask & __GFP_FS)
-		dm_bufio_lock(c);
-	else if (!dm_bufio_trylock(c))
+	if (!dm_bufio_trylock(c))
 		return SHRINK_STOP;
 
 	freed  = __scan(c, sc->nr_to_scan, sc->gfp_mask);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/dvb-frontends/tua6100.c linux-libre-4.4.187-gnu/drivers/media/dvb-frontends/tua6100.c
--- linux-libre-4.4.186-gnu/drivers/media/dvb-frontends/tua6100.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/dvb-frontends/tua6100.c	2019-08-04 03:35:02.000000000 -0400
@@ -80,8 +80,8 @@ static int tua6100_set_params(struct dvb
 	struct i2c_msg msg1 = { .addr = priv->i2c_address, .flags = 0, .buf = reg1, .len = 4 };
 	struct i2c_msg msg2 = { .addr = priv->i2c_address, .flags = 0, .buf = reg2, .len = 3 };
 
-#define _R 4
-#define _P 32
+#define _R_VAL 4
+#define _P_VAL 32
 #define _ri 4000000
 
 	// setup register 0
@@ -96,14 +96,14 @@ static int tua6100_set_params(struct dvb
 	else
 		reg1[1] = 0x0c;
 
-	if (_P == 64)
+	if (_P_VAL == 64)
 		reg1[1] |= 0x40;
 	if (c->frequency >= 1525000)
 		reg1[1] |= 0x80;
 
 	// register 2
-	reg2[1] = (_R >> 8) & 0x03;
-	reg2[2] = _R;
+	reg2[1] = (_R_VAL >> 8) & 0x03;
+	reg2[2] = _R_VAL;
 	if (c->frequency < 1455000)
 		reg2[1] |= 0x1c;
 	else if (c->frequency < 1630000)
@@ -115,18 +115,18 @@ static int tua6100_set_params(struct dvb
 	 * The N divisor ratio (note: c->frequency is in kHz, but we
 	 * need it in Hz)
 	 */
-	prediv = (c->frequency * _R) / (_ri / 1000);
-	div = prediv / _P;
+	prediv = (c->frequency * _R_VAL) / (_ri / 1000);
+	div = prediv / _P_VAL;
 	reg1[1] |= (div >> 9) & 0x03;
 	reg1[2] = div >> 1;
 	reg1[3] = (div << 7);
-	priv->frequency = ((div * _P) * (_ri / 1000)) / _R;
+	priv->frequency = ((div * _P_VAL) * (_ri / 1000)) / _R_VAL;
 
 	// Finally, calculate and store the value for A
-	reg1[3] |= (prediv - (div*_P)) & 0x7f;
+	reg1[3] |= (prediv - (div*_P_VAL)) & 0x7f;
 
-#undef _R
-#undef _P
+#undef _R_VAL
+#undef _P_VAL
 #undef _ri
 
 	if (fe->ops.i2c_gate_ctrl)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/i2c/adv7511.c linux-libre-4.4.187-gnu/drivers/media/i2c/adv7511.c
--- linux-libre-4.4.186-gnu/drivers/media/i2c/adv7511.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/i2c/adv7511.c	1969-12-31 19:00:00.000000000 -0500
@@ -1,1595 +0,0 @@
-/*
- * Analog Devices ADV7511 HDMI Transmitter Device Driver
- *
- * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
-#include <linux/delay.h>
-#include <linux/videodev2.h>
-#include <linux/gpio.h>
-#include <linux/workqueue.h>
-#include <linux/hdmi.h>
-#include <linux/v4l2-dv-timings.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-dv-timings.h>
-#include <media/adv7511.h>
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "debug level (0-2)");
-
-MODULE_DESCRIPTION("Analog Devices ADV7511 HDMI Transmitter Device Driver");
-MODULE_AUTHOR("Hans Verkuil");
-MODULE_LICENSE("GPL v2");
-
-#define MASK_ADV7511_EDID_RDY_INT   0x04
-#define MASK_ADV7511_MSEN_INT       0x40
-#define MASK_ADV7511_HPD_INT        0x80
-
-#define MASK_ADV7511_HPD_DETECT     0x40
-#define MASK_ADV7511_MSEN_DETECT    0x20
-#define MASK_ADV7511_EDID_RDY       0x10
-
-#define EDID_MAX_RETRIES (8)
-#define EDID_DELAY 250
-#define EDID_MAX_SEGM 8
-
-#define ADV7511_MAX_WIDTH 1920
-#define ADV7511_MAX_HEIGHT 1200
-#define ADV7511_MIN_PIXELCLOCK 20000000
-#define ADV7511_MAX_PIXELCLOCK 225000000
-
-/*
-**********************************************************************
-*
-*  Arrays with configuration parameters for the ADV7511
-*
-**********************************************************************
-*/
-
-struct i2c_reg_value {
-	unsigned char reg;
-	unsigned char value;
-};
-
-struct adv7511_state_edid {
-	/* total number of blocks */
-	u32 blocks;
-	/* Number of segments read */
-	u32 segments;
-	u8 data[EDID_MAX_SEGM * 256];
-	/* Number of EDID read retries left */
-	unsigned read_retries;
-	bool complete;
-};
-
-struct adv7511_state {
-	struct adv7511_platform_data pdata;
-	struct v4l2_subdev sd;
-	struct media_pad pad;
-	struct v4l2_ctrl_handler hdl;
-	int chip_revision;
-	u8 i2c_edid_addr;
-	u8 i2c_cec_addr;
-	u8 i2c_pktmem_addr;
-	/* Is the adv7511 powered on? */
-	bool power_on;
-	/* Did we receive hotplug and rx-sense signals? */
-	bool have_monitor;
-	/* timings from s_dv_timings */
-	struct v4l2_dv_timings dv_timings;
-	u32 fmt_code;
-	u32 colorspace;
-	u32 ycbcr_enc;
-	u32 quantization;
-	u32 xfer_func;
-	/* controls */
-	struct v4l2_ctrl *hdmi_mode_ctrl;
-	struct v4l2_ctrl *hotplug_ctrl;
-	struct v4l2_ctrl *rx_sense_ctrl;
-	struct v4l2_ctrl *have_edid0_ctrl;
-	struct v4l2_ctrl *rgb_quantization_range_ctrl;
-	struct i2c_client *i2c_edid;
-	struct i2c_client *i2c_pktmem;
-	struct adv7511_state_edid edid;
-	/* Running counter of the number of detected EDIDs (for debugging) */
-	unsigned edid_detect_counter;
-	struct workqueue_struct *work_queue;
-	struct delayed_work edid_handler; /* work entry */
-};
-
-static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd);
-static bool adv7511_check_edid_status(struct v4l2_subdev *sd);
-static void adv7511_setup(struct v4l2_subdev *sd);
-static int adv7511_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq);
-static int adv7511_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
-
-
-static const struct v4l2_dv_timings_cap adv7511_timings_cap = {
-	.type = V4L2_DV_BT_656_1120,
-	/* keep this initialization for compatibility with GCC < 4.4.6 */
-	.reserved = { 0 },
-	V4L2_INIT_BT_TIMINGS(0, ADV7511_MAX_WIDTH, 0, ADV7511_MAX_HEIGHT,
-		ADV7511_MIN_PIXELCLOCK, ADV7511_MAX_PIXELCLOCK,
-		V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
-			V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
-		V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
-			V4L2_DV_BT_CAP_CUSTOM)
-};
-
-static inline struct adv7511_state *get_adv7511_state(struct v4l2_subdev *sd)
-{
-	return container_of(sd, struct adv7511_state, sd);
-}
-
-static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
-{
-	return &container_of(ctrl->handler, struct adv7511_state, hdl)->sd;
-}
-
-/* ------------------------ I2C ----------------------------------------------- */
-
-static s32 adv_smbus_read_byte_data_check(struct i2c_client *client,
-					  u8 command, bool check)
-{
-	union i2c_smbus_data data;
-
-	if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags,
-			    I2C_SMBUS_READ, command,
-			    I2C_SMBUS_BYTE_DATA, &data))
-		return data.byte;
-	if (check)
-		v4l_err(client, "error reading %02x, %02x\n",
-			client->addr, command);
-	return -1;
-}
-
-static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command)
-{
-	int i;
-	for (i = 0; i < 3; i++) {
-		int ret = adv_smbus_read_byte_data_check(client, command, true);
-		if (ret >= 0) {
-			if (i)
-				v4l_err(client, "read ok after %d retries\n", i);
-			return ret;
-		}
-	}
-	v4l_err(client, "read failed\n");
-	return -1;
-}
-
-static int adv7511_rd(struct v4l2_subdev *sd, u8 reg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	return adv_smbus_read_byte_data(client, reg);
-}
-
-static int adv7511_wr(struct v4l2_subdev *sd, u8 reg, u8 val)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	int ret;
-	int i;
-
-	for (i = 0; i < 3; i++) {
-		ret = i2c_smbus_write_byte_data(client, reg, val);
-		if (ret == 0)
-			return 0;
-	}
-	v4l2_err(sd, "%s: i2c write error\n", __func__);
-	return ret;
-}
-
-/* To set specific bits in the register, a clear-mask is given (to be AND-ed),
-   and then the value-mask (to be OR-ed). */
-static inline void adv7511_wr_and_or(struct v4l2_subdev *sd, u8 reg, u8 clr_mask, u8 val_mask)
-{
-	adv7511_wr(sd, reg, (adv7511_rd(sd, reg) & clr_mask) | val_mask);
-}
-
-static int adv_smbus_read_i2c_block_data(struct i2c_client *client,
-					 u8 command, unsigned length, u8 *values)
-{
-	union i2c_smbus_data data;
-	int ret;
-
-	if (length > I2C_SMBUS_BLOCK_MAX)
-		length = I2C_SMBUS_BLOCK_MAX;
-	data.block[0] = length;
-
-	ret = i2c_smbus_xfer(client->adapter, client->addr, client->flags,
-			     I2C_SMBUS_READ, command,
-			     I2C_SMBUS_I2C_BLOCK_DATA, &data);
-	memcpy(values, data.block + 1, length);
-	return ret;
-}
-
-static inline void adv7511_edid_rd(struct v4l2_subdev *sd, u16 len, u8 *buf)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	int i;
-	int err = 0;
-
-	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
-
-	for (i = 0; !err && i < len; i += I2C_SMBUS_BLOCK_MAX)
-		err = adv_smbus_read_i2c_block_data(state->i2c_edid, i,
-						    I2C_SMBUS_BLOCK_MAX, buf + i);
-	if (err)
-		v4l2_err(sd, "%s: i2c read error\n", __func__);
-}
-
-static int adv7511_pktmem_rd(struct v4l2_subdev *sd, u8 reg)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	return adv_smbus_read_byte_data(state->i2c_pktmem, reg);
-}
-
-static int adv7511_pktmem_wr(struct v4l2_subdev *sd, u8 reg, u8 val)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	int ret;
-	int i;
-
-	for (i = 0; i < 3; i++) {
-		ret = i2c_smbus_write_byte_data(state->i2c_pktmem, reg, val);
-		if (ret == 0)
-			return 0;
-	}
-	v4l2_err(sd, "%s: i2c write error\n", __func__);
-	return ret;
-}
-
-/* To set specific bits in the register, a clear-mask is given (to be AND-ed),
-   and then the value-mask (to be OR-ed). */
-static inline void adv7511_pktmem_wr_and_or(struct v4l2_subdev *sd, u8 reg, u8 clr_mask, u8 val_mask)
-{
-	adv7511_pktmem_wr(sd, reg, (adv7511_pktmem_rd(sd, reg) & clr_mask) | val_mask);
-}
-
-static inline bool adv7511_have_hotplug(struct v4l2_subdev *sd)
-{
-	return adv7511_rd(sd, 0x42) & MASK_ADV7511_HPD_DETECT;
-}
-
-static inline bool adv7511_have_rx_sense(struct v4l2_subdev *sd)
-{
-	return adv7511_rd(sd, 0x42) & MASK_ADV7511_MSEN_DETECT;
-}
-
-static void adv7511_csc_conversion_mode(struct v4l2_subdev *sd, u8 mode)
-{
-	adv7511_wr_and_or(sd, 0x18, 0x9f, (mode & 0x3)<<5);
-}
-
-static void adv7511_csc_coeff(struct v4l2_subdev *sd,
-			      u16 A1, u16 A2, u16 A3, u16 A4,
-			      u16 B1, u16 B2, u16 B3, u16 B4,
-			      u16 C1, u16 C2, u16 C3, u16 C4)
-{
-	/* A */
-	adv7511_wr_and_or(sd, 0x18, 0xe0, A1>>8);
-	adv7511_wr(sd, 0x19, A1);
-	adv7511_wr_and_or(sd, 0x1A, 0xe0, A2>>8);
-	adv7511_wr(sd, 0x1B, A2);
-	adv7511_wr_and_or(sd, 0x1c, 0xe0, A3>>8);
-	adv7511_wr(sd, 0x1d, A3);
-	adv7511_wr_and_or(sd, 0x1e, 0xe0, A4>>8);
-	adv7511_wr(sd, 0x1f, A4);
-
-	/* B */
-	adv7511_wr_and_or(sd, 0x20, 0xe0, B1>>8);
-	adv7511_wr(sd, 0x21, B1);
-	adv7511_wr_and_or(sd, 0x22, 0xe0, B2>>8);
-	adv7511_wr(sd, 0x23, B2);
-	adv7511_wr_and_or(sd, 0x24, 0xe0, B3>>8);
-	adv7511_wr(sd, 0x25, B3);
-	adv7511_wr_and_or(sd, 0x26, 0xe0, B4>>8);
-	adv7511_wr(sd, 0x27, B4);
-
-	/* C */
-	adv7511_wr_and_or(sd, 0x28, 0xe0, C1>>8);
-	adv7511_wr(sd, 0x29, C1);
-	adv7511_wr_and_or(sd, 0x2A, 0xe0, C2>>8);
-	adv7511_wr(sd, 0x2B, C2);
-	adv7511_wr_and_or(sd, 0x2C, 0xe0, C3>>8);
-	adv7511_wr(sd, 0x2D, C3);
-	adv7511_wr_and_or(sd, 0x2E, 0xe0, C4>>8);
-	adv7511_wr(sd, 0x2F, C4);
-}
-
-static void adv7511_csc_rgb_full2limit(struct v4l2_subdev *sd, bool enable)
-{
-	if (enable) {
-		u8 csc_mode = 0;
-		adv7511_csc_conversion_mode(sd, csc_mode);
-		adv7511_csc_coeff(sd,
-				  4096-564, 0, 0, 256,
-				  0, 4096-564, 0, 256,
-				  0, 0, 4096-564, 256);
-		/* enable CSC */
-		adv7511_wr_and_or(sd, 0x18, 0x7f, 0x80);
-		/* AVI infoframe: Limited range RGB (16-235) */
-		adv7511_wr_and_or(sd, 0x57, 0xf3, 0x04);
-	} else {
-		/* disable CSC */
-		adv7511_wr_and_or(sd, 0x18, 0x7f, 0x0);
-		/* AVI infoframe: Full range RGB (0-255) */
-		adv7511_wr_and_or(sd, 0x57, 0xf3, 0x08);
-	}
-}
-
-static void adv7511_set_IT_content_AVI_InfoFrame(struct v4l2_subdev *sd)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	if (state->dv_timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
-		/* CE format, not IT  */
-		adv7511_wr_and_or(sd, 0x57, 0x7f, 0x00);
-	} else {
-		/* IT format */
-		adv7511_wr_and_or(sd, 0x57, 0x7f, 0x80);
-	}
-}
-
-static int adv7511_set_rgb_quantization_mode(struct v4l2_subdev *sd, struct v4l2_ctrl *ctrl)
-{
-	switch (ctrl->val) {
-	default:
-		return -EINVAL;
-		break;
-	case V4L2_DV_RGB_RANGE_AUTO: {
-		/* automatic */
-		struct adv7511_state *state = get_adv7511_state(sd);
-
-		if (state->dv_timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
-			/* CE format, RGB limited range (16-235) */
-			adv7511_csc_rgb_full2limit(sd, true);
-		} else {
-			/* not CE format, RGB full range (0-255) */
-			adv7511_csc_rgb_full2limit(sd, false);
-		}
-	}
-		break;
-	case V4L2_DV_RGB_RANGE_LIMITED:
-		/* RGB limited range (16-235) */
-		adv7511_csc_rgb_full2limit(sd, true);
-		break;
-	case V4L2_DV_RGB_RANGE_FULL:
-		/* RGB full range (0-255) */
-		adv7511_csc_rgb_full2limit(sd, false);
-		break;
-	}
-	return 0;
-}
-
-/* ------------------------------ CTRL OPS ------------------------------ */
-
-static int adv7511_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct v4l2_subdev *sd = to_sd(ctrl);
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	v4l2_dbg(1, debug, sd, "%s: ctrl id: %d, ctrl->val %d\n", __func__, ctrl->id, ctrl->val);
-
-	if (state->hdmi_mode_ctrl == ctrl) {
-		/* Set HDMI or DVI-D */
-		adv7511_wr_and_or(sd, 0xaf, 0xfd, ctrl->val == V4L2_DV_TX_MODE_HDMI ? 0x02 : 0x00);
-		return 0;
-	}
-	if (state->rgb_quantization_range_ctrl == ctrl)
-		return adv7511_set_rgb_quantization_mode(sd, ctrl);
-
-	return -EINVAL;
-}
-
-static const struct v4l2_ctrl_ops adv7511_ctrl_ops = {
-	.s_ctrl = adv7511_s_ctrl,
-};
-
-/* ---------------------------- CORE OPS ------------------------------------------- */
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static void adv7511_inv_register(struct v4l2_subdev *sd)
-{
-	v4l2_info(sd, "0x000-0x0ff: Main Map\n");
-}
-
-static int adv7511_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
-{
-	reg->size = 1;
-	switch (reg->reg >> 8) {
-	case 0:
-		reg->val = adv7511_rd(sd, reg->reg & 0xff);
-		break;
-	default:
-		v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
-		adv7511_inv_register(sd);
-		break;
-	}
-	return 0;
-}
-
-static int adv7511_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
-{
-	switch (reg->reg >> 8) {
-	case 0:
-		adv7511_wr(sd, reg->reg & 0xff, reg->val & 0xff);
-		break;
-	default:
-		v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
-		adv7511_inv_register(sd);
-		break;
-	}
-	return 0;
-}
-#endif
-
-struct adv7511_cfg_read_infoframe {
-	const char *desc;
-	u8 present_reg;
-	u8 present_mask;
-	u8 header[3];
-	u16 payload_addr;
-};
-
-static u8 hdmi_infoframe_checksum(u8 *ptr, size_t size)
-{
-	u8 csum = 0;
-	size_t i;
-
-	/* compute checksum */
-	for (i = 0; i < size; i++)
-		csum += ptr[i];
-
-	return 256 - csum;
-}
-
-static void log_infoframe(struct v4l2_subdev *sd, const struct adv7511_cfg_read_infoframe *cri)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct device *dev = &client->dev;
-	union hdmi_infoframe frame;
-	u8 buffer[32];
-	u8 len;
-	int i;
-
-	if (!(adv7511_rd(sd, cri->present_reg) & cri->present_mask)) {
-		v4l2_info(sd, "%s infoframe not transmitted\n", cri->desc);
-		return;
-	}
-
-	memcpy(buffer, cri->header, sizeof(cri->header));
-
-	len = buffer[2];
-
-	if (len + 4 > sizeof(buffer)) {
-		v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, cri->desc, len);
-		return;
-	}
-
-	if (cri->payload_addr >= 0x100) {
-		for (i = 0; i < len; i++)
-			buffer[i + 4] = adv7511_pktmem_rd(sd, cri->payload_addr + i - 0x100);
-	} else {
-		for (i = 0; i < len; i++)
-			buffer[i + 4] = adv7511_rd(sd, cri->payload_addr + i);
-	}
-	buffer[3] = 0;
-	buffer[3] = hdmi_infoframe_checksum(buffer, len + 4);
-
-	if (hdmi_infoframe_unpack(&frame, buffer) < 0) {
-		v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc);
-		return;
-	}
-
-	hdmi_infoframe_log(KERN_INFO, dev, &frame);
-}
-
-static void adv7511_log_infoframes(struct v4l2_subdev *sd)
-{
-	static const struct adv7511_cfg_read_infoframe cri[] = {
-		{ "AVI", 0x44, 0x10, { 0x82, 2, 13 }, 0x55 },
-		{ "Audio", 0x44, 0x08, { 0x84, 1, 10 }, 0x73 },
-		{ "SDP", 0x40, 0x40, { 0x83, 1, 25 }, 0x103 },
-	};
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(cri); i++)
-		log_infoframe(sd, &cri[i]);
-}
-
-static int adv7511_log_status(struct v4l2_subdev *sd)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	struct adv7511_state_edid *edid = &state->edid;
-
-	static const char * const states[] = {
-		"in reset",
-		"reading EDID",
-		"idle",
-		"initializing HDCP",
-		"HDCP enabled",
-		"initializing HDCP repeater",
-		"6", "7", "8", "9", "A", "B", "C", "D", "E", "F"
-	};
-	static const char * const errors[] = {
-		"no error",
-		"bad receiver BKSV",
-		"Ri mismatch",
-		"Pj mismatch",
-		"i2c error",
-		"timed out",
-		"max repeater cascade exceeded",
-		"hash check failed",
-		"too many devices",
-		"9", "A", "B", "C", "D", "E", "F"
-	};
-
-	v4l2_info(sd, "power %s\n", state->power_on ? "on" : "off");
-	v4l2_info(sd, "%s hotplug, %s Rx Sense, %s EDID (%d block(s))\n",
-		  (adv7511_rd(sd, 0x42) & MASK_ADV7511_HPD_DETECT) ? "detected" : "no",
-		  (adv7511_rd(sd, 0x42) & MASK_ADV7511_MSEN_DETECT) ? "detected" : "no",
-		  edid->segments ? "found" : "no",
-		  edid->blocks);
-	v4l2_info(sd, "%s output %s\n",
-		  (adv7511_rd(sd, 0xaf) & 0x02) ?
-		  "HDMI" : "DVI-D",
-		  (adv7511_rd(sd, 0xa1) & 0x3c) ?
-		  "disabled" : "enabled");
-	v4l2_info(sd, "state: %s, error: %s, detect count: %u, msk/irq: %02x/%02x\n",
-			  states[adv7511_rd(sd, 0xc8) & 0xf],
-			  errors[adv7511_rd(sd, 0xc8) >> 4], state->edid_detect_counter,
-			  adv7511_rd(sd, 0x94), adv7511_rd(sd, 0x96));
-	v4l2_info(sd, "RGB quantization: %s range\n", adv7511_rd(sd, 0x18) & 0x80 ? "limited" : "full");
-	if (adv7511_rd(sd, 0xaf) & 0x02) {
-		/* HDMI only */
-		u8 manual_cts = adv7511_rd(sd, 0x0a) & 0x80;
-		u32 N = (adv7511_rd(sd, 0x01) & 0xf) << 16 |
-			adv7511_rd(sd, 0x02) << 8 |
-			adv7511_rd(sd, 0x03);
-		u8 vic_detect = adv7511_rd(sd, 0x3e) >> 2;
-		u8 vic_sent = adv7511_rd(sd, 0x3d) & 0x3f;
-		u32 CTS;
-
-		if (manual_cts)
-			CTS = (adv7511_rd(sd, 0x07) & 0xf) << 16 |
-			      adv7511_rd(sd, 0x08) << 8 |
-			      adv7511_rd(sd, 0x09);
-		else
-			CTS = (adv7511_rd(sd, 0x04) & 0xf) << 16 |
-			      adv7511_rd(sd, 0x05) << 8 |
-			      adv7511_rd(sd, 0x06);
-		v4l2_info(sd, "CTS %s mode: N %d, CTS %d\n",
-			  manual_cts ? "manual" : "automatic", N, CTS);
-		v4l2_info(sd, "VIC: detected %d, sent %d\n",
-			  vic_detect, vic_sent);
-		adv7511_log_infoframes(sd);
-	}
-	if (state->dv_timings.type == V4L2_DV_BT_656_1120)
-		v4l2_print_dv_timings(sd->name, "timings: ",
-				&state->dv_timings, false);
-	else
-		v4l2_info(sd, "no timings set\n");
-	v4l2_info(sd, "i2c edid addr: 0x%x\n", state->i2c_edid_addr);
-	v4l2_info(sd, "i2c cec addr: 0x%x\n", state->i2c_cec_addr);
-	v4l2_info(sd, "i2c pktmem addr: 0x%x\n", state->i2c_pktmem_addr);
-	return 0;
-}
-
-/* Power up/down adv7511 */
-static int adv7511_s_power(struct v4l2_subdev *sd, int on)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	const int retries = 20;
-	int i;
-
-	v4l2_dbg(1, debug, sd, "%s: power %s\n", __func__, on ? "on" : "off");
-
-	state->power_on = on;
-
-	if (!on) {
-		/* Power down */
-		adv7511_wr_and_or(sd, 0x41, 0xbf, 0x40);
-		return true;
-	}
-
-	/* Power up */
-	/* The adv7511 does not always come up immediately.
-	   Retry multiple times. */
-	for (i = 0; i < retries; i++) {
-		adv7511_wr_and_or(sd, 0x41, 0xbf, 0x0);
-		if ((adv7511_rd(sd, 0x41) & 0x40) == 0)
-			break;
-		adv7511_wr_and_or(sd, 0x41, 0xbf, 0x40);
-		msleep(10);
-	}
-	if (i == retries) {
-		v4l2_dbg(1, debug, sd, "%s: failed to powerup the adv7511!\n", __func__);
-		adv7511_s_power(sd, 0);
-		return false;
-	}
-	if (i > 1)
-		v4l2_dbg(1, debug, sd, "%s: needed %d retries to powerup the adv7511\n", __func__, i);
-
-	/* Reserved registers that must be set */
-	adv7511_wr(sd, 0x98, 0x03);
-	adv7511_wr_and_or(sd, 0x9a, 0xfe, 0x70);
-	adv7511_wr(sd, 0x9c, 0x30);
-	adv7511_wr_and_or(sd, 0x9d, 0xfc, 0x01);
-	adv7511_wr(sd, 0xa2, 0xa4);
-	adv7511_wr(sd, 0xa3, 0xa4);
-	adv7511_wr(sd, 0xe0, 0xd0);
-	adv7511_wr(sd, 0xf9, 0x00);
-
-	adv7511_wr(sd, 0x43, state->i2c_edid_addr);
-	adv7511_wr(sd, 0x45, state->i2c_pktmem_addr);
-
-	/* Set number of attempts to read the EDID */
-	adv7511_wr(sd, 0xc9, 0xf);
-	return true;
-}
-
-/* Enable interrupts */
-static void adv7511_set_isr(struct v4l2_subdev *sd, bool enable)
-{
-	u8 irqs = MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT;
-	u8 irqs_rd;
-	int retries = 100;
-
-	v4l2_dbg(2, debug, sd, "%s: %s\n", __func__, enable ? "enable" : "disable");
-
-	/* The datasheet says that the EDID ready interrupt should be
-	   disabled if there is no hotplug. */
-	if (!enable)
-		irqs = 0;
-	else if (adv7511_have_hotplug(sd))
-		irqs |= MASK_ADV7511_EDID_RDY_INT;
-
-	/*
-	 * This i2c write can fail (approx. 1 in 1000 writes). But it
-	 * is essential that this register is correct, so retry it
-	 * multiple times.
-	 *
-	 * Note that the i2c write does not report an error, but the readback
-	 * clearly shows the wrong value.
-	 */
-	do {
-		adv7511_wr(sd, 0x94, irqs);
-		irqs_rd = adv7511_rd(sd, 0x94);
-	} while (retries-- && irqs_rd != irqs);
-
-	if (irqs_rd == irqs)
-		return;
-	v4l2_err(sd, "Could not set interrupts: hw failure?\n");
-}
-
-/* Interrupt handler */
-static int adv7511_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
-{
-	u8 irq_status;
-
-	/* disable interrupts to prevent a race condition */
-	adv7511_set_isr(sd, false);
-	irq_status = adv7511_rd(sd, 0x96);
-	/* clear detected interrupts */
-	adv7511_wr(sd, 0x96, irq_status);
-
-	v4l2_dbg(1, debug, sd, "%s: irq 0x%x\n", __func__, irq_status);
-
-	if (irq_status & (MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT))
-		adv7511_check_monitor_present_status(sd);
-	if (irq_status & MASK_ADV7511_EDID_RDY_INT)
-		adv7511_check_edid_status(sd);
-
-	/* enable interrupts */
-	adv7511_set_isr(sd, true);
-
-	if (handled)
-		*handled = true;
-	return 0;
-}
-
-static const struct v4l2_subdev_core_ops adv7511_core_ops = {
-	.log_status = adv7511_log_status,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.g_register = adv7511_g_register,
-	.s_register = adv7511_s_register,
-#endif
-	.s_power = adv7511_s_power,
-	.interrupt_service_routine = adv7511_isr,
-};
-
-/* ------------------------------ VIDEO OPS ------------------------------ */
-
-/* Enable/disable adv7511 output */
-static int adv7511_s_stream(struct v4l2_subdev *sd, int enable)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	v4l2_dbg(1, debug, sd, "%s: %sable\n", __func__, (enable ? "en" : "dis"));
-	adv7511_wr_and_or(sd, 0xa1, ~0x3c, (enable ? 0 : 0x3c));
-	if (enable) {
-		adv7511_check_monitor_present_status(sd);
-	} else {
-		adv7511_s_power(sd, 0);
-		state->have_monitor = false;
-	}
-	return 0;
-}
-
-static int adv7511_s_dv_timings(struct v4l2_subdev *sd,
-			       struct v4l2_dv_timings *timings)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
-
-	/* quick sanity check */
-	if (!v4l2_valid_dv_timings(timings, &adv7511_timings_cap, NULL, NULL))
-		return -EINVAL;
-
-	/* Fill the optional fields .standards and .flags in struct v4l2_dv_timings
-	   if the format is one of the CEA or DMT timings. */
-	v4l2_find_dv_timings_cap(timings, &adv7511_timings_cap, 0, NULL, NULL);
-
-	timings->bt.flags &= ~V4L2_DV_FL_REDUCED_FPS;
-
-	/* save timings */
-	state->dv_timings = *timings;
-
-	/* update quantization range based on new dv_timings */
-	adv7511_set_rgb_quantization_mode(sd, state->rgb_quantization_range_ctrl);
-
-	/* update AVI infoframe */
-	adv7511_set_IT_content_AVI_InfoFrame(sd);
-
-	return 0;
-}
-
-static int adv7511_g_dv_timings(struct v4l2_subdev *sd,
-				struct v4l2_dv_timings *timings)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
-
-	if (!timings)
-		return -EINVAL;
-
-	*timings = state->dv_timings;
-
-	return 0;
-}
-
-static int adv7511_enum_dv_timings(struct v4l2_subdev *sd,
-				   struct v4l2_enum_dv_timings *timings)
-{
-	if (timings->pad != 0)
-		return -EINVAL;
-
-	return v4l2_enum_dv_timings_cap(timings, &adv7511_timings_cap, NULL, NULL);
-}
-
-static int adv7511_dv_timings_cap(struct v4l2_subdev *sd,
-				  struct v4l2_dv_timings_cap *cap)
-{
-	if (cap->pad != 0)
-		return -EINVAL;
-
-	*cap = adv7511_timings_cap;
-	return 0;
-}
-
-static const struct v4l2_subdev_video_ops adv7511_video_ops = {
-	.s_stream = adv7511_s_stream,
-	.s_dv_timings = adv7511_s_dv_timings,
-	.g_dv_timings = adv7511_g_dv_timings,
-};
-
-/* ------------------------------ AUDIO OPS ------------------------------ */
-static int adv7511_s_audio_stream(struct v4l2_subdev *sd, int enable)
-{
-	v4l2_dbg(1, debug, sd, "%s: %sable\n", __func__, (enable ? "en" : "dis"));
-
-	if (enable)
-		adv7511_wr_and_or(sd, 0x4b, 0x3f, 0x80);
-	else
-		adv7511_wr_and_or(sd, 0x4b, 0x3f, 0x40);
-
-	return 0;
-}
-
-static int adv7511_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
-{
-	u32 N;
-
-	switch (freq) {
-	case 32000:  N = 4096;  break;
-	case 44100:  N = 6272;  break;
-	case 48000:  N = 6144;  break;
-	case 88200:  N = 12544; break;
-	case 96000:  N = 12288; break;
-	case 176400: N = 25088; break;
-	case 192000: N = 24576; break;
-	default:
-		return -EINVAL;
-	}
-
-	/* Set N (used with CTS to regenerate the audio clock) */
-	adv7511_wr(sd, 0x01, (N >> 16) & 0xf);
-	adv7511_wr(sd, 0x02, (N >> 8) & 0xff);
-	adv7511_wr(sd, 0x03, N & 0xff);
-
-	return 0;
-}
-
-static int adv7511_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq)
-{
-	u32 i2s_sf;
-
-	switch (freq) {
-	case 32000:  i2s_sf = 0x30; break;
-	case 44100:  i2s_sf = 0x00; break;
-	case 48000:  i2s_sf = 0x20; break;
-	case 88200:  i2s_sf = 0x80; break;
-	case 96000:  i2s_sf = 0xa0; break;
-	case 176400: i2s_sf = 0xc0; break;
-	case 192000: i2s_sf = 0xe0; break;
-	default:
-		return -EINVAL;
-	}
-
-	/* Set sampling frequency for I2S audio to 48 kHz */
-	adv7511_wr_and_or(sd, 0x15, 0xf, i2s_sf);
-
-	return 0;
-}
-
-static int adv7511_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config)
-{
-	/* Only 2 channels in use for application */
-	adv7511_wr_and_or(sd, 0x73, 0xf8, 0x1);
-	/* Speaker mapping */
-	adv7511_wr(sd, 0x76, 0x00);
-
-	/* 16 bit audio word length */
-	adv7511_wr_and_or(sd, 0x14, 0xf0, 0x02);
-
-	return 0;
-}
-
-static const struct v4l2_subdev_audio_ops adv7511_audio_ops = {
-	.s_stream = adv7511_s_audio_stream,
-	.s_clock_freq = adv7511_s_clock_freq,
-	.s_i2s_clock_freq = adv7511_s_i2s_clock_freq,
-	.s_routing = adv7511_s_routing,
-};
-
-/* ---------------------------- PAD OPS ------------------------------------- */
-
-static int adv7511_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	memset(edid->reserved, 0, sizeof(edid->reserved));
-
-	if (edid->pad != 0)
-		return -EINVAL;
-
-	if (edid->start_block == 0 && edid->blocks == 0) {
-		edid->blocks = state->edid.segments * 2;
-		return 0;
-	}
-
-	if (state->edid.segments == 0)
-		return -ENODATA;
-
-	if (edid->start_block >= state->edid.segments * 2)
-		return -EINVAL;
-
-	if (edid->start_block + edid->blocks > state->edid.segments * 2)
-		edid->blocks = state->edid.segments * 2 - edid->start_block;
-
-	memcpy(edid->edid, &state->edid.data[edid->start_block * 128],
-			128 * edid->blocks);
-
-	return 0;
-}
-
-static int adv7511_enum_mbus_code(struct v4l2_subdev *sd,
-				  struct v4l2_subdev_pad_config *cfg,
-				  struct v4l2_subdev_mbus_code_enum *code)
-{
-	if (code->pad != 0)
-		return -EINVAL;
-
-	switch (code->index) {
-	case 0:
-		code->code = MEDIA_BUS_FMT_RGB888_1X24;
-		break;
-	case 1:
-		code->code = MEDIA_BUS_FMT_YUYV8_1X16;
-		break;
-	case 2:
-		code->code = MEDIA_BUS_FMT_UYVY8_1X16;
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static void adv7511_fill_format(struct adv7511_state *state,
-				struct v4l2_mbus_framefmt *format)
-{
-	memset(format, 0, sizeof(*format));
-
-	format->width = state->dv_timings.bt.width;
-	format->height = state->dv_timings.bt.height;
-	format->field = V4L2_FIELD_NONE;
-}
-
-static int adv7511_get_fmt(struct v4l2_subdev *sd,
-			   struct v4l2_subdev_pad_config *cfg,
-			   struct v4l2_subdev_format *format)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	if (format->pad != 0)
-		return -EINVAL;
-
-	adv7511_fill_format(state, &format->format);
-
-	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
-		struct v4l2_mbus_framefmt *fmt;
-
-		fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
-		format->format.code = fmt->code;
-		format->format.colorspace = fmt->colorspace;
-		format->format.ycbcr_enc = fmt->ycbcr_enc;
-		format->format.quantization = fmt->quantization;
-		format->format.xfer_func = fmt->xfer_func;
-	} else {
-		format->format.code = state->fmt_code;
-		format->format.colorspace = state->colorspace;
-		format->format.ycbcr_enc = state->ycbcr_enc;
-		format->format.quantization = state->quantization;
-		format->format.xfer_func = state->xfer_func;
-	}
-
-	return 0;
-}
-
-static int adv7511_set_fmt(struct v4l2_subdev *sd,
-			   struct v4l2_subdev_pad_config *cfg,
-			   struct v4l2_subdev_format *format)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	/*
-	 * Bitfield namings come the CEA-861-F standard, table 8 "Auxiliary
-	 * Video Information (AVI) InfoFrame Format"
-	 *
-	 * c = Colorimetry
-	 * ec = Extended Colorimetry
-	 * y = RGB or YCbCr
-	 * q = RGB Quantization Range
-	 * yq = YCC Quantization Range
-	 */
-	u8 c = HDMI_COLORIMETRY_NONE;
-	u8 ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
-	u8 y = HDMI_COLORSPACE_RGB;
-	u8 q = HDMI_QUANTIZATION_RANGE_DEFAULT;
-	u8 yq = HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
-
-	if (format->pad != 0)
-		return -EINVAL;
-	switch (format->format.code) {
-	case MEDIA_BUS_FMT_UYVY8_1X16:
-	case MEDIA_BUS_FMT_YUYV8_1X16:
-	case MEDIA_BUS_FMT_RGB888_1X24:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	adv7511_fill_format(state, &format->format);
-	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
-		struct v4l2_mbus_framefmt *fmt;
-
-		fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
-		fmt->code = format->format.code;
-		fmt->colorspace = format->format.colorspace;
-		fmt->ycbcr_enc = format->format.ycbcr_enc;
-		fmt->quantization = format->format.quantization;
-		fmt->xfer_func = format->format.xfer_func;
-		return 0;
-	}
-
-	switch (format->format.code) {
-	case MEDIA_BUS_FMT_UYVY8_1X16:
-		adv7511_wr_and_or(sd, 0x15, 0xf0, 0x01);
-		adv7511_wr_and_or(sd, 0x16, 0x03, 0xb8);
-		y = HDMI_COLORSPACE_YUV422;
-		break;
-	case MEDIA_BUS_FMT_YUYV8_1X16:
-		adv7511_wr_and_or(sd, 0x15, 0xf0, 0x01);
-		adv7511_wr_and_or(sd, 0x16, 0x03, 0xbc);
-		y = HDMI_COLORSPACE_YUV422;
-		break;
-	case MEDIA_BUS_FMT_RGB888_1X24:
-	default:
-		adv7511_wr_and_or(sd, 0x15, 0xf0, 0x00);
-		adv7511_wr_and_or(sd, 0x16, 0x03, 0x00);
-		break;
-	}
-	state->fmt_code = format->format.code;
-	state->colorspace = format->format.colorspace;
-	state->ycbcr_enc = format->format.ycbcr_enc;
-	state->quantization = format->format.quantization;
-	state->xfer_func = format->format.xfer_func;
-
-	switch (format->format.colorspace) {
-	case V4L2_COLORSPACE_ADOBERGB:
-		c = HDMI_COLORIMETRY_EXTENDED;
-		ec = y ? HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601 :
-			 HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB;
-		break;
-	case V4L2_COLORSPACE_SMPTE170M:
-		c = y ? HDMI_COLORIMETRY_ITU_601 : HDMI_COLORIMETRY_NONE;
-		if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_XV601) {
-			c = HDMI_COLORIMETRY_EXTENDED;
-			ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
-		}
-		break;
-	case V4L2_COLORSPACE_REC709:
-		c = y ? HDMI_COLORIMETRY_ITU_709 : HDMI_COLORIMETRY_NONE;
-		if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_XV709) {
-			c = HDMI_COLORIMETRY_EXTENDED;
-			ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_709;
-		}
-		break;
-	case V4L2_COLORSPACE_SRGB:
-		c = y ? HDMI_COLORIMETRY_EXTENDED : HDMI_COLORIMETRY_NONE;
-		ec = y ? HDMI_EXTENDED_COLORIMETRY_S_YCC_601 :
-			 HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
-		break;
-	case V4L2_COLORSPACE_BT2020:
-		c = HDMI_COLORIMETRY_EXTENDED;
-		if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_BT2020_CONST_LUM)
-			ec = 5; /* Not yet available in hdmi.h */
-		else
-			ec = 6; /* Not yet available in hdmi.h */
-		break;
-	default:
-		break;
-	}
-
-	/*
-	 * CEA-861-F says that for RGB formats the YCC range must match the
-	 * RGB range, although sources should ignore the YCC range.
-	 *
-	 * The RGB quantization range shouldn't be non-zero if the EDID doesn't
-	 * have the Q bit set in the Video Capabilities Data Block, however this
-	 * isn't checked at the moment. The assumption is that the application
-	 * knows the EDID and can detect this.
-	 *
-	 * The same is true for the YCC quantization range: non-standard YCC
-	 * quantization ranges should only be sent if the EDID has the YQ bit
-	 * set in the Video Capabilities Data Block.
-	 */
-	switch (format->format.quantization) {
-	case V4L2_QUANTIZATION_FULL_RANGE:
-		q = y ? HDMI_QUANTIZATION_RANGE_DEFAULT :
-			HDMI_QUANTIZATION_RANGE_FULL;
-		yq = q ? q - 1 : HDMI_YCC_QUANTIZATION_RANGE_FULL;
-		break;
-	case V4L2_QUANTIZATION_LIM_RANGE:
-		q = y ? HDMI_QUANTIZATION_RANGE_DEFAULT :
-			HDMI_QUANTIZATION_RANGE_LIMITED;
-		yq = q ? q - 1 : HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
-		break;
-	}
-
-	adv7511_wr_and_or(sd, 0x4a, 0xbf, 0);
-	adv7511_wr_and_or(sd, 0x55, 0x9f, y << 5);
-	adv7511_wr_and_or(sd, 0x56, 0x3f, c << 6);
-	adv7511_wr_and_or(sd, 0x57, 0x83, (ec << 4) | (q << 2));
-	adv7511_wr_and_or(sd, 0x59, 0x0f, yq << 4);
-	adv7511_wr_and_or(sd, 0x4a, 0xff, 1);
-
-	return 0;
-}
-
-static const struct v4l2_subdev_pad_ops adv7511_pad_ops = {
-	.get_edid = adv7511_get_edid,
-	.enum_mbus_code = adv7511_enum_mbus_code,
-	.get_fmt = adv7511_get_fmt,
-	.set_fmt = adv7511_set_fmt,
-	.enum_dv_timings = adv7511_enum_dv_timings,
-	.dv_timings_cap = adv7511_dv_timings_cap,
-};
-
-/* --------------------- SUBDEV OPS --------------------------------------- */
-
-static const struct v4l2_subdev_ops adv7511_ops = {
-	.core  = &adv7511_core_ops,
-	.pad  = &adv7511_pad_ops,
-	.video = &adv7511_video_ops,
-	.audio = &adv7511_audio_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-static void adv7511_dbg_dump_edid(int lvl, int debug, struct v4l2_subdev *sd, int segment, u8 *buf)
-{
-	if (debug >= lvl) {
-		int i, j;
-		v4l2_dbg(lvl, debug, sd, "edid segment %d\n", segment);
-		for (i = 0; i < 256; i += 16) {
-			u8 b[128];
-			u8 *bp = b;
-			if (i == 128)
-				v4l2_dbg(lvl, debug, sd, "\n");
-			for (j = i; j < i + 16; j++) {
-				sprintf(bp, "0x%02x, ", buf[j]);
-				bp += 6;
-			}
-			bp[0] = '\0';
-			v4l2_dbg(lvl, debug, sd, "%s\n", b);
-		}
-	}
-}
-
-static void adv7511_notify_no_edid(struct v4l2_subdev *sd)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	struct adv7511_edid_detect ed;
-
-	/* We failed to read the EDID, so send an event for this. */
-	ed.present = false;
-	ed.segment = adv7511_rd(sd, 0xc4);
-	v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
-	v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x0);
-}
-
-static void adv7511_edid_handler(struct work_struct *work)
-{
-	struct delayed_work *dwork = to_delayed_work(work);
-	struct adv7511_state *state = container_of(dwork, struct adv7511_state, edid_handler);
-	struct v4l2_subdev *sd = &state->sd;
-
-	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
-
-	if (adv7511_check_edid_status(sd)) {
-		/* Return if we received the EDID. */
-		return;
-	}
-
-	if (adv7511_have_hotplug(sd)) {
-		/* We must retry reading the EDID several times, it is possible
-		 * that initially the EDID couldn't be read due to i2c errors
-		 * (DVI connectors are particularly prone to this problem). */
-		if (state->edid.read_retries) {
-			state->edid.read_retries--;
-			v4l2_dbg(1, debug, sd, "%s: edid read failed\n", __func__);
-			state->have_monitor = false;
-			adv7511_s_power(sd, false);
-			adv7511_s_power(sd, true);
-			queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
-			return;
-		}
-	}
-
-	/* We failed to read the EDID, so send an event for this. */
-	adv7511_notify_no_edid(sd);
-	v4l2_dbg(1, debug, sd, "%s: no edid found\n", __func__);
-}
-
-static void adv7511_audio_setup(struct v4l2_subdev *sd)
-{
-	v4l2_dbg(1, debug, sd, "%s\n", __func__);
-
-	adv7511_s_i2s_clock_freq(sd, 48000);
-	adv7511_s_clock_freq(sd, 48000);
-	adv7511_s_routing(sd, 0, 0, 0);
-}
-
-/* Configure hdmi transmitter. */
-static void adv7511_setup(struct v4l2_subdev *sd)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	v4l2_dbg(1, debug, sd, "%s\n", __func__);
-
-	/* Input format: RGB 4:4:4 */
-	adv7511_wr_and_or(sd, 0x15, 0xf0, 0x0);
-	/* Output format: RGB 4:4:4 */
-	adv7511_wr_and_or(sd, 0x16, 0x7f, 0x0);
-	/* 1st order interpolation 4:2:2 -> 4:4:4 up conversion, Aspect ratio: 16:9 */
-	adv7511_wr_and_or(sd, 0x17, 0xf9, 0x06);
-	/* Disable pixel repetition */
-	adv7511_wr_and_or(sd, 0x3b, 0x9f, 0x0);
-	/* Disable CSC */
-	adv7511_wr_and_or(sd, 0x18, 0x7f, 0x0);
-	/* Output format: RGB 4:4:4, Active Format Information is valid,
-	 * underscanned */
-	adv7511_wr_and_or(sd, 0x55, 0x9c, 0x12);
-	/* AVI Info frame packet enable, Audio Info frame disable */
-	adv7511_wr_and_or(sd, 0x44, 0xe7, 0x10);
-	/* Colorimetry, Active format aspect ratio: same as picure. */
-	adv7511_wr(sd, 0x56, 0xa8);
-	/* No encryption */
-	adv7511_wr_and_or(sd, 0xaf, 0xed, 0x0);
-
-	/* Positive clk edge capture for input video clock */
-	adv7511_wr_and_or(sd, 0xba, 0x1f, 0x60);
-
-	adv7511_audio_setup(sd);
-
-	v4l2_ctrl_handler_setup(&state->hdl);
-}
-
-static void adv7511_notify_monitor_detect(struct v4l2_subdev *sd)
-{
-	struct adv7511_monitor_detect mdt;
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	mdt.present = state->have_monitor;
-	v4l2_subdev_notify(sd, ADV7511_MONITOR_DETECT, (void *)&mdt);
-}
-
-static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	/* read hotplug and rx-sense state */
-	u8 status = adv7511_rd(sd, 0x42);
-
-	v4l2_dbg(1, debug, sd, "%s: status: 0x%x%s%s\n",
-			 __func__,
-			 status,
-			 status & MASK_ADV7511_HPD_DETECT ? ", hotplug" : "",
-			 status & MASK_ADV7511_MSEN_DETECT ? ", rx-sense" : "");
-
-	/* update read only ctrls */
-	v4l2_ctrl_s_ctrl(state->hotplug_ctrl, adv7511_have_hotplug(sd) ? 0x1 : 0x0);
-	v4l2_ctrl_s_ctrl(state->rx_sense_ctrl, adv7511_have_rx_sense(sd) ? 0x1 : 0x0);
-
-	if ((status & MASK_ADV7511_HPD_DETECT) && ((status & MASK_ADV7511_MSEN_DETECT) || state->edid.segments)) {
-		v4l2_dbg(1, debug, sd, "%s: hotplug and (rx-sense or edid)\n", __func__);
-		if (!state->have_monitor) {
-			v4l2_dbg(1, debug, sd, "%s: monitor detected\n", __func__);
-			state->have_monitor = true;
-			adv7511_set_isr(sd, true);
-			if (!adv7511_s_power(sd, true)) {
-				v4l2_dbg(1, debug, sd, "%s: monitor detected, powerup failed\n", __func__);
-				return;
-			}
-			adv7511_setup(sd);
-			adv7511_notify_monitor_detect(sd);
-			state->edid.read_retries = EDID_MAX_RETRIES;
-			queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
-		}
-	} else if (status & MASK_ADV7511_HPD_DETECT) {
-		v4l2_dbg(1, debug, sd, "%s: hotplug detected\n", __func__);
-		state->edid.read_retries = EDID_MAX_RETRIES;
-		queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
-	} else if (!(status & MASK_ADV7511_HPD_DETECT)) {
-		v4l2_dbg(1, debug, sd, "%s: hotplug not detected\n", __func__);
-		if (state->have_monitor) {
-			v4l2_dbg(1, debug, sd, "%s: monitor not detected\n", __func__);
-			state->have_monitor = false;
-			adv7511_notify_monitor_detect(sd);
-		}
-		adv7511_s_power(sd, false);
-		memset(&state->edid, 0, sizeof(struct adv7511_state_edid));
-		adv7511_notify_no_edid(sd);
-	}
-}
-
-static bool edid_block_verify_crc(u8 *edid_block)
-{
-	u8 sum = 0;
-	int i;
-
-	for (i = 0; i < 128; i++)
-		sum += edid_block[i];
-	return sum == 0;
-}
-
-static bool edid_verify_crc(struct v4l2_subdev *sd, u32 segment)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	u32 blocks = state->edid.blocks;
-	u8 *data = state->edid.data;
-
-	if (!edid_block_verify_crc(&data[segment * 256]))
-		return false;
-	if ((segment + 1) * 2 <= blocks)
-		return edid_block_verify_crc(&data[segment * 256 + 128]);
-	return true;
-}
-
-static bool edid_verify_header(struct v4l2_subdev *sd, u32 segment)
-{
-	static const u8 hdmi_header[] = {
-		0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
-	};
-	struct adv7511_state *state = get_adv7511_state(sd);
-	u8 *data = state->edid.data;
-
-	if (segment != 0)
-		return true;
-	return !memcmp(data, hdmi_header, sizeof(hdmi_header));
-}
-
-static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	u8 edidRdy = adv7511_rd(sd, 0xc5);
-
-	v4l2_dbg(1, debug, sd, "%s: edid ready (retries: %d)\n",
-			 __func__, EDID_MAX_RETRIES - state->edid.read_retries);
-
-	if (state->edid.complete)
-		return true;
-
-	if (edidRdy & MASK_ADV7511_EDID_RDY) {
-		int segment = adv7511_rd(sd, 0xc4);
-		struct adv7511_edid_detect ed;
-
-		if (segment >= EDID_MAX_SEGM) {
-			v4l2_err(sd, "edid segment number too big\n");
-			return false;
-		}
-		v4l2_dbg(1, debug, sd, "%s: got segment %d\n", __func__, segment);
-		adv7511_edid_rd(sd, 256, &state->edid.data[segment * 256]);
-		adv7511_dbg_dump_edid(2, debug, sd, segment, &state->edid.data[segment * 256]);
-		if (segment == 0) {
-			state->edid.blocks = state->edid.data[0x7e] + 1;
-			v4l2_dbg(1, debug, sd, "%s: %d blocks in total\n", __func__, state->edid.blocks);
-		}
-		if (!edid_verify_crc(sd, segment) ||
-		    !edid_verify_header(sd, segment)) {
-			/* edid crc error, force reread of edid segment */
-			v4l2_err(sd, "%s: edid crc or header error\n", __func__);
-			state->have_monitor = false;
-			adv7511_s_power(sd, false);
-			adv7511_s_power(sd, true);
-			return false;
-		}
-		/* one more segment read ok */
-		state->edid.segments = segment + 1;
-		v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x1);
-		if (((state->edid.data[0x7e] >> 1) + 1) > state->edid.segments) {
-			/* Request next EDID segment */
-			v4l2_dbg(1, debug, sd, "%s: request segment %d\n", __func__, state->edid.segments);
-			adv7511_wr(sd, 0xc9, 0xf);
-			adv7511_wr(sd, 0xc4, state->edid.segments);
-			state->edid.read_retries = EDID_MAX_RETRIES;
-			queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
-			return false;
-		}
-
-		v4l2_dbg(1, debug, sd, "%s: edid complete with %d segment(s)\n", __func__, state->edid.segments);
-		state->edid.complete = true;
-
-		/* report when we have all segments
-		   but report only for segment 0
-		 */
-		ed.present = true;
-		ed.segment = 0;
-		state->edid_detect_counter++;
-		v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
-		return ed.present;
-	}
-
-	return false;
-}
-
-/* ----------------------------------------------------------------------- */
-/* Setup ADV7511 */
-static void adv7511_init_setup(struct v4l2_subdev *sd)
-{
-	struct adv7511_state *state = get_adv7511_state(sd);
-	struct adv7511_state_edid *edid = &state->edid;
-
-	v4l2_dbg(1, debug, sd, "%s\n", __func__);
-
-	/* clear all interrupts */
-	adv7511_wr(sd, 0x96, 0xff);
-	/*
-	 * Stop HPD from resetting a lot of registers.
-	 * It might leave the chip in a partly un-initialized state,
-	 * in particular with regards to hotplug bounces.
-	 */
-	adv7511_wr_and_or(sd, 0xd6, 0x3f, 0xc0);
-	memset(edid, 0, sizeof(struct adv7511_state_edid));
-	state->have_monitor = false;
-	adv7511_set_isr(sd, false);
-	adv7511_s_stream(sd, false);
-	adv7511_s_audio_stream(sd, false);
-}
-
-static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *id)
-{
-	struct adv7511_state *state;
-	struct adv7511_platform_data *pdata = client->dev.platform_data;
-	struct v4l2_ctrl_handler *hdl;
-	struct v4l2_subdev *sd;
-	u8 chip_id[2];
-	int err = -EIO;
-
-	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return -EIO;
-
-	state = devm_kzalloc(&client->dev, sizeof(struct adv7511_state), GFP_KERNEL);
-	if (!state)
-		return -ENOMEM;
-
-	/* Platform data */
-	if (!pdata) {
-		v4l_err(client, "No platform data!\n");
-		return -ENODEV;
-	}
-	memcpy(&state->pdata, pdata, sizeof(state->pdata));
-	state->fmt_code = MEDIA_BUS_FMT_RGB888_1X24;
-	state->colorspace = V4L2_COLORSPACE_SRGB;
-
-	sd = &state->sd;
-
-	v4l2_dbg(1, debug, sd, "detecting adv7511 client on address 0x%x\n",
-			 client->addr << 1);
-
-	v4l2_i2c_subdev_init(sd, client, &adv7511_ops);
-
-	hdl = &state->hdl;
-	v4l2_ctrl_handler_init(hdl, 10);
-	/* add in ascending ID order */
-	state->hdmi_mode_ctrl = v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops,
-			V4L2_CID_DV_TX_MODE, V4L2_DV_TX_MODE_HDMI,
-			0, V4L2_DV_TX_MODE_DVI_D);
-	state->hotplug_ctrl = v4l2_ctrl_new_std(hdl, NULL,
-			V4L2_CID_DV_TX_HOTPLUG, 0, 1, 0, 0);
-	state->rx_sense_ctrl = v4l2_ctrl_new_std(hdl, NULL,
-			V4L2_CID_DV_TX_RXSENSE, 0, 1, 0, 0);
-	state->have_edid0_ctrl = v4l2_ctrl_new_std(hdl, NULL,
-			V4L2_CID_DV_TX_EDID_PRESENT, 0, 1, 0, 0);
-	state->rgb_quantization_range_ctrl =
-		v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops,
-			V4L2_CID_DV_TX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL,
-			0, V4L2_DV_RGB_RANGE_AUTO);
-	sd->ctrl_handler = hdl;
-	if (hdl->error) {
-		err = hdl->error;
-		goto err_hdl;
-	}
-	state->hdmi_mode_ctrl->is_private = true;
-	state->hotplug_ctrl->is_private = true;
-	state->rx_sense_ctrl->is_private = true;
-	state->have_edid0_ctrl->is_private = true;
-	state->rgb_quantization_range_ctrl->is_private = true;
-
-	state->pad.flags = MEDIA_PAD_FL_SINK;
-	err = media_entity_init(&sd->entity, 1, &state->pad, 0);
-	if (err)
-		goto err_hdl;
-
-	/* EDID and CEC i2c addr */
-	state->i2c_edid_addr = state->pdata.i2c_edid << 1;
-	state->i2c_cec_addr = state->pdata.i2c_cec << 1;
-	state->i2c_pktmem_addr = state->pdata.i2c_pktmem << 1;
-
-	state->chip_revision = adv7511_rd(sd, 0x0);
-	chip_id[0] = adv7511_rd(sd, 0xf5);
-	chip_id[1] = adv7511_rd(sd, 0xf6);
-	if (chip_id[0] != 0x75 || chip_id[1] != 0x11) {
-		v4l2_err(sd, "chip_id != 0x7511, read 0x%02x%02x\n", chip_id[0], chip_id[1]);
-		err = -EIO;
-		goto err_entity;
-	}
-
-	state->i2c_edid = i2c_new_dummy(client->adapter, state->i2c_edid_addr >> 1);
-	if (state->i2c_edid == NULL) {
-		v4l2_err(sd, "failed to register edid i2c client\n");
-		err = -ENOMEM;
-		goto err_entity;
-	}
-
-	state->i2c_pktmem = i2c_new_dummy(client->adapter, state->i2c_pktmem_addr >> 1);
-	if (state->i2c_pktmem == NULL) {
-		v4l2_err(sd, "failed to register pktmem i2c client\n");
-		err = -ENOMEM;
-		goto err_unreg_edid;
-	}
-
-	adv7511_wr(sd, 0xe2, 0x01); /* power down cec section */
-	state->work_queue = create_singlethread_workqueue(sd->name);
-	if (state->work_queue == NULL) {
-		v4l2_err(sd, "could not create workqueue\n");
-		err = -ENOMEM;
-		goto err_unreg_pktmem;
-	}
-
-	INIT_DELAYED_WORK(&state->edid_handler, adv7511_edid_handler);
-
-	adv7511_init_setup(sd);
-	adv7511_set_isr(sd, true);
-	adv7511_check_monitor_present_status(sd);
-
-	v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
-			  client->addr << 1, client->adapter->name);
-	return 0;
-
-err_unreg_pktmem:
-	i2c_unregister_device(state->i2c_pktmem);
-err_unreg_edid:
-	i2c_unregister_device(state->i2c_edid);
-err_entity:
-	media_entity_cleanup(&sd->entity);
-err_hdl:
-	v4l2_ctrl_handler_free(&state->hdl);
-	return err;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int adv7511_remove(struct i2c_client *client)
-{
-	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct adv7511_state *state = get_adv7511_state(sd);
-
-	state->chip_revision = -1;
-
-	v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name,
-		 client->addr << 1, client->adapter->name);
-
-	adv7511_init_setup(sd);
-	cancel_delayed_work(&state->edid_handler);
-	i2c_unregister_device(state->i2c_edid);
-	i2c_unregister_device(state->i2c_pktmem);
-	destroy_workqueue(state->work_queue);
-	v4l2_device_unregister_subdev(sd);
-	media_entity_cleanup(&sd->entity);
-	v4l2_ctrl_handler_free(sd->ctrl_handler);
-	return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static struct i2c_device_id adv7511_id[] = {
-	{ "adv7511", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, adv7511_id);
-
-static struct i2c_driver adv7511_driver = {
-	.driver = {
-		.name = "adv7511",
-	},
-	.probe = adv7511_probe,
-	.remove = adv7511_remove,
-	.id_table = adv7511_id,
-};
-
-module_i2c_driver(adv7511_driver);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/i2c/adv7511-v4l2.c linux-libre-4.4.187-gnu/drivers/media/i2c/adv7511-v4l2.c
--- linux-libre-4.4.186-gnu/drivers/media/i2c/adv7511-v4l2.c	1969-12-31 19:00:00.000000000 -0500
+++ linux-libre-4.4.187-gnu/drivers/media/i2c/adv7511-v4l2.c	2019-08-04 03:35:02.000000000 -0400
@@ -0,0 +1,1600 @@
+/*
+ * Analog Devices ADV7511 HDMI Transmitter Device Driver
+ *
+ * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This file is named adv7511-v4l2.c so it doesn't conflict with the Analog
+ * Device ADV7511 (config fragment CONFIG_DRM_I2C_ADV7511).
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/videodev2.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/hdmi.h>
+#include <linux/v4l2-dv-timings.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-dv-timings.h>
+#include <media/adv7511.h>
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "debug level (0-2)");
+
+MODULE_DESCRIPTION("Analog Devices ADV7511 HDMI Transmitter Device Driver");
+MODULE_AUTHOR("Hans Verkuil");
+MODULE_LICENSE("GPL v2");
+
+#define MASK_ADV7511_EDID_RDY_INT   0x04
+#define MASK_ADV7511_MSEN_INT       0x40
+#define MASK_ADV7511_HPD_INT        0x80
+
+#define MASK_ADV7511_HPD_DETECT     0x40
+#define MASK_ADV7511_MSEN_DETECT    0x20
+#define MASK_ADV7511_EDID_RDY       0x10
+
+#define EDID_MAX_RETRIES (8)
+#define EDID_DELAY 250
+#define EDID_MAX_SEGM 8
+
+#define ADV7511_MAX_WIDTH 1920
+#define ADV7511_MAX_HEIGHT 1200
+#define ADV7511_MIN_PIXELCLOCK 20000000
+#define ADV7511_MAX_PIXELCLOCK 225000000
+
+/*
+**********************************************************************
+*
+*  Arrays with configuration parameters for the ADV7511
+*
+**********************************************************************
+*/
+
+struct i2c_reg_value {
+	unsigned char reg;
+	unsigned char value;
+};
+
+struct adv7511_state_edid {
+	/* total number of blocks */
+	u32 blocks;
+	/* Number of segments read */
+	u32 segments;
+	u8 data[EDID_MAX_SEGM * 256];
+	/* Number of EDID read retries left */
+	unsigned read_retries;
+	bool complete;
+};
+
+struct adv7511_state {
+	struct adv7511_platform_data pdata;
+	struct v4l2_subdev sd;
+	struct media_pad pad;
+	struct v4l2_ctrl_handler hdl;
+	int chip_revision;
+	u8 i2c_edid_addr;
+	u8 i2c_cec_addr;
+	u8 i2c_pktmem_addr;
+	/* Is the adv7511 powered on? */
+	bool power_on;
+	/* Did we receive hotplug and rx-sense signals? */
+	bool have_monitor;
+	/* timings from s_dv_timings */
+	struct v4l2_dv_timings dv_timings;
+	u32 fmt_code;
+	u32 colorspace;
+	u32 ycbcr_enc;
+	u32 quantization;
+	u32 xfer_func;
+	/* controls */
+	struct v4l2_ctrl *hdmi_mode_ctrl;
+	struct v4l2_ctrl *hotplug_ctrl;
+	struct v4l2_ctrl *rx_sense_ctrl;
+	struct v4l2_ctrl *have_edid0_ctrl;
+	struct v4l2_ctrl *rgb_quantization_range_ctrl;
+	struct i2c_client *i2c_edid;
+	struct i2c_client *i2c_pktmem;
+	struct adv7511_state_edid edid;
+	/* Running counter of the number of detected EDIDs (for debugging) */
+	unsigned edid_detect_counter;
+	struct workqueue_struct *work_queue;
+	struct delayed_work edid_handler; /* work entry */
+};
+
+static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd);
+static bool adv7511_check_edid_status(struct v4l2_subdev *sd);
+static void adv7511_setup(struct v4l2_subdev *sd);
+static int adv7511_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq);
+static int adv7511_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
+
+
+static const struct v4l2_dv_timings_cap adv7511_timings_cap = {
+	.type = V4L2_DV_BT_656_1120,
+	/* keep this initialization for compatibility with GCC < 4.4.6 */
+	.reserved = { 0 },
+	V4L2_INIT_BT_TIMINGS(0, ADV7511_MAX_WIDTH, 0, ADV7511_MAX_HEIGHT,
+		ADV7511_MIN_PIXELCLOCK, ADV7511_MAX_PIXELCLOCK,
+		V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
+			V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
+		V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
+			V4L2_DV_BT_CAP_CUSTOM)
+};
+
+static inline struct adv7511_state *get_adv7511_state(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct adv7511_state, sd);
+}
+
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+	return &container_of(ctrl->handler, struct adv7511_state, hdl)->sd;
+}
+
+/* ------------------------ I2C ----------------------------------------------- */
+
+static s32 adv_smbus_read_byte_data_check(struct i2c_client *client,
+					  u8 command, bool check)
+{
+	union i2c_smbus_data data;
+
+	if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+			    I2C_SMBUS_READ, command,
+			    I2C_SMBUS_BYTE_DATA, &data))
+		return data.byte;
+	if (check)
+		v4l_err(client, "error reading %02x, %02x\n",
+			client->addr, command);
+	return -1;
+}
+
+static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command)
+{
+	int i;
+	for (i = 0; i < 3; i++) {
+		int ret = adv_smbus_read_byte_data_check(client, command, true);
+		if (ret >= 0) {
+			if (i)
+				v4l_err(client, "read ok after %d retries\n", i);
+			return ret;
+		}
+	}
+	v4l_err(client, "read failed\n");
+	return -1;
+}
+
+static int adv7511_rd(struct v4l2_subdev *sd, u8 reg)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+	return adv_smbus_read_byte_data(client, reg);
+}
+
+static int adv7511_wr(struct v4l2_subdev *sd, u8 reg, u8 val)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	int ret;
+	int i;
+
+	for (i = 0; i < 3; i++) {
+		ret = i2c_smbus_write_byte_data(client, reg, val);
+		if (ret == 0)
+			return 0;
+	}
+	v4l2_err(sd, "%s: i2c write error\n", __func__);
+	return ret;
+}
+
+/* To set specific bits in the register, a clear-mask is given (to be AND-ed),
+   and then the value-mask (to be OR-ed). */
+static inline void adv7511_wr_and_or(struct v4l2_subdev *sd, u8 reg, u8 clr_mask, u8 val_mask)
+{
+	adv7511_wr(sd, reg, (adv7511_rd(sd, reg) & clr_mask) | val_mask);
+}
+
+static int adv_smbus_read_i2c_block_data(struct i2c_client *client,
+					 u8 command, unsigned length, u8 *values)
+{
+	union i2c_smbus_data data;
+	int ret;
+
+	if (length > I2C_SMBUS_BLOCK_MAX)
+		length = I2C_SMBUS_BLOCK_MAX;
+	data.block[0] = length;
+
+	ret = i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+			     I2C_SMBUS_READ, command,
+			     I2C_SMBUS_I2C_BLOCK_DATA, &data);
+	memcpy(values, data.block + 1, length);
+	return ret;
+}
+
+static inline void adv7511_edid_rd(struct v4l2_subdev *sd, u16 len, u8 *buf)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	int i;
+	int err = 0;
+
+	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
+
+	for (i = 0; !err && i < len; i += I2C_SMBUS_BLOCK_MAX)
+		err = adv_smbus_read_i2c_block_data(state->i2c_edid, i,
+						    I2C_SMBUS_BLOCK_MAX, buf + i);
+	if (err)
+		v4l2_err(sd, "%s: i2c read error\n", __func__);
+}
+
+static int adv7511_pktmem_rd(struct v4l2_subdev *sd, u8 reg)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	return adv_smbus_read_byte_data(state->i2c_pktmem, reg);
+}
+
+static int adv7511_pktmem_wr(struct v4l2_subdev *sd, u8 reg, u8 val)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	int ret;
+	int i;
+
+	for (i = 0; i < 3; i++) {
+		ret = i2c_smbus_write_byte_data(state->i2c_pktmem, reg, val);
+		if (ret == 0)
+			return 0;
+	}
+	v4l2_err(sd, "%s: i2c write error\n", __func__);
+	return ret;
+}
+
+/* To set specific bits in the register, a clear-mask is given (to be AND-ed),
+   and then the value-mask (to be OR-ed). */
+static inline void adv7511_pktmem_wr_and_or(struct v4l2_subdev *sd, u8 reg, u8 clr_mask, u8 val_mask)
+{
+	adv7511_pktmem_wr(sd, reg, (adv7511_pktmem_rd(sd, reg) & clr_mask) | val_mask);
+}
+
+static inline bool adv7511_have_hotplug(struct v4l2_subdev *sd)
+{
+	return adv7511_rd(sd, 0x42) & MASK_ADV7511_HPD_DETECT;
+}
+
+static inline bool adv7511_have_rx_sense(struct v4l2_subdev *sd)
+{
+	return adv7511_rd(sd, 0x42) & MASK_ADV7511_MSEN_DETECT;
+}
+
+static void adv7511_csc_conversion_mode(struct v4l2_subdev *sd, u8 mode)
+{
+	adv7511_wr_and_or(sd, 0x18, 0x9f, (mode & 0x3)<<5);
+}
+
+static void adv7511_csc_coeff(struct v4l2_subdev *sd,
+			      u16 A1, u16 A2, u16 A3, u16 A4,
+			      u16 B1, u16 B2, u16 B3, u16 B4,
+			      u16 C1, u16 C2, u16 C3, u16 C4)
+{
+	/* A */
+	adv7511_wr_and_or(sd, 0x18, 0xe0, A1>>8);
+	adv7511_wr(sd, 0x19, A1);
+	adv7511_wr_and_or(sd, 0x1A, 0xe0, A2>>8);
+	adv7511_wr(sd, 0x1B, A2);
+	adv7511_wr_and_or(sd, 0x1c, 0xe0, A3>>8);
+	adv7511_wr(sd, 0x1d, A3);
+	adv7511_wr_and_or(sd, 0x1e, 0xe0, A4>>8);
+	adv7511_wr(sd, 0x1f, A4);
+
+	/* B */
+	adv7511_wr_and_or(sd, 0x20, 0xe0, B1>>8);
+	adv7511_wr(sd, 0x21, B1);
+	adv7511_wr_and_or(sd, 0x22, 0xe0, B2>>8);
+	adv7511_wr(sd, 0x23, B2);
+	adv7511_wr_and_or(sd, 0x24, 0xe0, B3>>8);
+	adv7511_wr(sd, 0x25, B3);
+	adv7511_wr_and_or(sd, 0x26, 0xe0, B4>>8);
+	adv7511_wr(sd, 0x27, B4);
+
+	/* C */
+	adv7511_wr_and_or(sd, 0x28, 0xe0, C1>>8);
+	adv7511_wr(sd, 0x29, C1);
+	adv7511_wr_and_or(sd, 0x2A, 0xe0, C2>>8);
+	adv7511_wr(sd, 0x2B, C2);
+	adv7511_wr_and_or(sd, 0x2C, 0xe0, C3>>8);
+	adv7511_wr(sd, 0x2D, C3);
+	adv7511_wr_and_or(sd, 0x2E, 0xe0, C4>>8);
+	adv7511_wr(sd, 0x2F, C4);
+}
+
+static void adv7511_csc_rgb_full2limit(struct v4l2_subdev *sd, bool enable)
+{
+	if (enable) {
+		u8 csc_mode = 0;
+		adv7511_csc_conversion_mode(sd, csc_mode);
+		adv7511_csc_coeff(sd,
+				  4096-564, 0, 0, 256,
+				  0, 4096-564, 0, 256,
+				  0, 0, 4096-564, 256);
+		/* enable CSC */
+		adv7511_wr_and_or(sd, 0x18, 0x7f, 0x80);
+		/* AVI infoframe: Limited range RGB (16-235) */
+		adv7511_wr_and_or(sd, 0x57, 0xf3, 0x04);
+	} else {
+		/* disable CSC */
+		adv7511_wr_and_or(sd, 0x18, 0x7f, 0x0);
+		/* AVI infoframe: Full range RGB (0-255) */
+		adv7511_wr_and_or(sd, 0x57, 0xf3, 0x08);
+	}
+}
+
+static void adv7511_set_IT_content_AVI_InfoFrame(struct v4l2_subdev *sd)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	if (state->dv_timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
+		/* CE format, not IT  */
+		adv7511_wr_and_or(sd, 0x57, 0x7f, 0x00);
+	} else {
+		/* IT format */
+		adv7511_wr_and_or(sd, 0x57, 0x7f, 0x80);
+	}
+}
+
+static int adv7511_set_rgb_quantization_mode(struct v4l2_subdev *sd, struct v4l2_ctrl *ctrl)
+{
+	switch (ctrl->val) {
+	default:
+		return -EINVAL;
+		break;
+	case V4L2_DV_RGB_RANGE_AUTO: {
+		/* automatic */
+		struct adv7511_state *state = get_adv7511_state(sd);
+
+		if (state->dv_timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
+			/* CE format, RGB limited range (16-235) */
+			adv7511_csc_rgb_full2limit(sd, true);
+		} else {
+			/* not CE format, RGB full range (0-255) */
+			adv7511_csc_rgb_full2limit(sd, false);
+		}
+	}
+		break;
+	case V4L2_DV_RGB_RANGE_LIMITED:
+		/* RGB limited range (16-235) */
+		adv7511_csc_rgb_full2limit(sd, true);
+		break;
+	case V4L2_DV_RGB_RANGE_FULL:
+		/* RGB full range (0-255) */
+		adv7511_csc_rgb_full2limit(sd, false);
+		break;
+	}
+	return 0;
+}
+
+/* ------------------------------ CTRL OPS ------------------------------ */
+
+static int adv7511_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct v4l2_subdev *sd = to_sd(ctrl);
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	v4l2_dbg(1, debug, sd, "%s: ctrl id: %d, ctrl->val %d\n", __func__, ctrl->id, ctrl->val);
+
+	if (state->hdmi_mode_ctrl == ctrl) {
+		/* Set HDMI or DVI-D */
+		adv7511_wr_and_or(sd, 0xaf, 0xfd, ctrl->val == V4L2_DV_TX_MODE_HDMI ? 0x02 : 0x00);
+		return 0;
+	}
+	if (state->rgb_quantization_range_ctrl == ctrl)
+		return adv7511_set_rgb_quantization_mode(sd, ctrl);
+
+	return -EINVAL;
+}
+
+static const struct v4l2_ctrl_ops adv7511_ctrl_ops = {
+	.s_ctrl = adv7511_s_ctrl,
+};
+
+/* ---------------------------- CORE OPS ------------------------------------------- */
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static void adv7511_inv_register(struct v4l2_subdev *sd)
+{
+	v4l2_info(sd, "0x000-0x0ff: Main Map\n");
+}
+
+static int adv7511_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+	reg->size = 1;
+	switch (reg->reg >> 8) {
+	case 0:
+		reg->val = adv7511_rd(sd, reg->reg & 0xff);
+		break;
+	default:
+		v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
+		adv7511_inv_register(sd);
+		break;
+	}
+	return 0;
+}
+
+static int adv7511_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
+{
+	switch (reg->reg >> 8) {
+	case 0:
+		adv7511_wr(sd, reg->reg & 0xff, reg->val & 0xff);
+		break;
+	default:
+		v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
+		adv7511_inv_register(sd);
+		break;
+	}
+	return 0;
+}
+#endif
+
+struct adv7511_cfg_read_infoframe {
+	const char *desc;
+	u8 present_reg;
+	u8 present_mask;
+	u8 header[3];
+	u16 payload_addr;
+};
+
+static u8 hdmi_infoframe_checksum(u8 *ptr, size_t size)
+{
+	u8 csum = 0;
+	size_t i;
+
+	/* compute checksum */
+	for (i = 0; i < size; i++)
+		csum += ptr[i];
+
+	return 256 - csum;
+}
+
+static void log_infoframe(struct v4l2_subdev *sd, const struct adv7511_cfg_read_infoframe *cri)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	struct device *dev = &client->dev;
+	union hdmi_infoframe frame;
+	u8 buffer[32];
+	u8 len;
+	int i;
+
+	if (!(adv7511_rd(sd, cri->present_reg) & cri->present_mask)) {
+		v4l2_info(sd, "%s infoframe not transmitted\n", cri->desc);
+		return;
+	}
+
+	memcpy(buffer, cri->header, sizeof(cri->header));
+
+	len = buffer[2];
+
+	if (len + 4 > sizeof(buffer)) {
+		v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, cri->desc, len);
+		return;
+	}
+
+	if (cri->payload_addr >= 0x100) {
+		for (i = 0; i < len; i++)
+			buffer[i + 4] = adv7511_pktmem_rd(sd, cri->payload_addr + i - 0x100);
+	} else {
+		for (i = 0; i < len; i++)
+			buffer[i + 4] = adv7511_rd(sd, cri->payload_addr + i);
+	}
+	buffer[3] = 0;
+	buffer[3] = hdmi_infoframe_checksum(buffer, len + 4);
+
+	if (hdmi_infoframe_unpack(&frame, buffer) < 0) {
+		v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc);
+		return;
+	}
+
+	hdmi_infoframe_log(KERN_INFO, dev, &frame);
+}
+
+static void adv7511_log_infoframes(struct v4l2_subdev *sd)
+{
+	static const struct adv7511_cfg_read_infoframe cri[] = {
+		{ "AVI", 0x44, 0x10, { 0x82, 2, 13 }, 0x55 },
+		{ "Audio", 0x44, 0x08, { 0x84, 1, 10 }, 0x73 },
+		{ "SDP", 0x40, 0x40, { 0x83, 1, 25 }, 0x103 },
+	};
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cri); i++)
+		log_infoframe(sd, &cri[i]);
+}
+
+static int adv7511_log_status(struct v4l2_subdev *sd)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	struct adv7511_state_edid *edid = &state->edid;
+
+	static const char * const states[] = {
+		"in reset",
+		"reading EDID",
+		"idle",
+		"initializing HDCP",
+		"HDCP enabled",
+		"initializing HDCP repeater",
+		"6", "7", "8", "9", "A", "B", "C", "D", "E", "F"
+	};
+	static const char * const errors[] = {
+		"no error",
+		"bad receiver BKSV",
+		"Ri mismatch",
+		"Pj mismatch",
+		"i2c error",
+		"timed out",
+		"max repeater cascade exceeded",
+		"hash check failed",
+		"too many devices",
+		"9", "A", "B", "C", "D", "E", "F"
+	};
+
+	v4l2_info(sd, "power %s\n", state->power_on ? "on" : "off");
+	v4l2_info(sd, "%s hotplug, %s Rx Sense, %s EDID (%d block(s))\n",
+		  (adv7511_rd(sd, 0x42) & MASK_ADV7511_HPD_DETECT) ? "detected" : "no",
+		  (adv7511_rd(sd, 0x42) & MASK_ADV7511_MSEN_DETECT) ? "detected" : "no",
+		  edid->segments ? "found" : "no",
+		  edid->blocks);
+	v4l2_info(sd, "%s output %s\n",
+		  (adv7511_rd(sd, 0xaf) & 0x02) ?
+		  "HDMI" : "DVI-D",
+		  (adv7511_rd(sd, 0xa1) & 0x3c) ?
+		  "disabled" : "enabled");
+	v4l2_info(sd, "state: %s, error: %s, detect count: %u, msk/irq: %02x/%02x\n",
+			  states[adv7511_rd(sd, 0xc8) & 0xf],
+			  errors[adv7511_rd(sd, 0xc8) >> 4], state->edid_detect_counter,
+			  adv7511_rd(sd, 0x94), adv7511_rd(sd, 0x96));
+	v4l2_info(sd, "RGB quantization: %s range\n", adv7511_rd(sd, 0x18) & 0x80 ? "limited" : "full");
+	if (adv7511_rd(sd, 0xaf) & 0x02) {
+		/* HDMI only */
+		u8 manual_cts = adv7511_rd(sd, 0x0a) & 0x80;
+		u32 N = (adv7511_rd(sd, 0x01) & 0xf) << 16 |
+			adv7511_rd(sd, 0x02) << 8 |
+			adv7511_rd(sd, 0x03);
+		u8 vic_detect = adv7511_rd(sd, 0x3e) >> 2;
+		u8 vic_sent = adv7511_rd(sd, 0x3d) & 0x3f;
+		u32 CTS;
+
+		if (manual_cts)
+			CTS = (adv7511_rd(sd, 0x07) & 0xf) << 16 |
+			      adv7511_rd(sd, 0x08) << 8 |
+			      adv7511_rd(sd, 0x09);
+		else
+			CTS = (adv7511_rd(sd, 0x04) & 0xf) << 16 |
+			      adv7511_rd(sd, 0x05) << 8 |
+			      adv7511_rd(sd, 0x06);
+		v4l2_info(sd, "CTS %s mode: N %d, CTS %d\n",
+			  manual_cts ? "manual" : "automatic", N, CTS);
+		v4l2_info(sd, "VIC: detected %d, sent %d\n",
+			  vic_detect, vic_sent);
+		adv7511_log_infoframes(sd);
+	}
+	if (state->dv_timings.type == V4L2_DV_BT_656_1120)
+		v4l2_print_dv_timings(sd->name, "timings: ",
+				&state->dv_timings, false);
+	else
+		v4l2_info(sd, "no timings set\n");
+	v4l2_info(sd, "i2c edid addr: 0x%x\n", state->i2c_edid_addr);
+	v4l2_info(sd, "i2c cec addr: 0x%x\n", state->i2c_cec_addr);
+	v4l2_info(sd, "i2c pktmem addr: 0x%x\n", state->i2c_pktmem_addr);
+	return 0;
+}
+
+/* Power up/down adv7511 */
+static int adv7511_s_power(struct v4l2_subdev *sd, int on)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	const int retries = 20;
+	int i;
+
+	v4l2_dbg(1, debug, sd, "%s: power %s\n", __func__, on ? "on" : "off");
+
+	state->power_on = on;
+
+	if (!on) {
+		/* Power down */
+		adv7511_wr_and_or(sd, 0x41, 0xbf, 0x40);
+		return true;
+	}
+
+	/* Power up */
+	/* The adv7511 does not always come up immediately.
+	   Retry multiple times. */
+	for (i = 0; i < retries; i++) {
+		adv7511_wr_and_or(sd, 0x41, 0xbf, 0x0);
+		if ((adv7511_rd(sd, 0x41) & 0x40) == 0)
+			break;
+		adv7511_wr_and_or(sd, 0x41, 0xbf, 0x40);
+		msleep(10);
+	}
+	if (i == retries) {
+		v4l2_dbg(1, debug, sd, "%s: failed to powerup the adv7511!\n", __func__);
+		adv7511_s_power(sd, 0);
+		return false;
+	}
+	if (i > 1)
+		v4l2_dbg(1, debug, sd, "%s: needed %d retries to powerup the adv7511\n", __func__, i);
+
+	/* Reserved registers that must be set */
+	adv7511_wr(sd, 0x98, 0x03);
+	adv7511_wr_and_or(sd, 0x9a, 0xfe, 0x70);
+	adv7511_wr(sd, 0x9c, 0x30);
+	adv7511_wr_and_or(sd, 0x9d, 0xfc, 0x01);
+	adv7511_wr(sd, 0xa2, 0xa4);
+	adv7511_wr(sd, 0xa3, 0xa4);
+	adv7511_wr(sd, 0xe0, 0xd0);
+	adv7511_wr(sd, 0xf9, 0x00);
+
+	adv7511_wr(sd, 0x43, state->i2c_edid_addr);
+	adv7511_wr(sd, 0x45, state->i2c_pktmem_addr);
+
+	/* Set number of attempts to read the EDID */
+	adv7511_wr(sd, 0xc9, 0xf);
+	return true;
+}
+
+/* Enable interrupts */
+static void adv7511_set_isr(struct v4l2_subdev *sd, bool enable)
+{
+	u8 irqs = MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT;
+	u8 irqs_rd;
+	int retries = 100;
+
+	v4l2_dbg(2, debug, sd, "%s: %s\n", __func__, enable ? "enable" : "disable");
+
+	/* The datasheet says that the EDID ready interrupt should be
+	   disabled if there is no hotplug. */
+	if (!enable)
+		irqs = 0;
+	else if (adv7511_have_hotplug(sd))
+		irqs |= MASK_ADV7511_EDID_RDY_INT;
+
+	/*
+	 * This i2c write can fail (approx. 1 in 1000 writes). But it
+	 * is essential that this register is correct, so retry it
+	 * multiple times.
+	 *
+	 * Note that the i2c write does not report an error, but the readback
+	 * clearly shows the wrong value.
+	 */
+	do {
+		adv7511_wr(sd, 0x94, irqs);
+		irqs_rd = adv7511_rd(sd, 0x94);
+	} while (retries-- && irqs_rd != irqs);
+
+	if (irqs_rd == irqs)
+		return;
+	v4l2_err(sd, "Could not set interrupts: hw failure?\n");
+}
+
+/* Interrupt handler */
+static int adv7511_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
+{
+	u8 irq_status;
+
+	/* disable interrupts to prevent a race condition */
+	adv7511_set_isr(sd, false);
+	irq_status = adv7511_rd(sd, 0x96);
+	/* clear detected interrupts */
+	adv7511_wr(sd, 0x96, irq_status);
+
+	v4l2_dbg(1, debug, sd, "%s: irq 0x%x\n", __func__, irq_status);
+
+	if (irq_status & (MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT))
+		adv7511_check_monitor_present_status(sd);
+	if (irq_status & MASK_ADV7511_EDID_RDY_INT)
+		adv7511_check_edid_status(sd);
+
+	/* enable interrupts */
+	adv7511_set_isr(sd, true);
+
+	if (handled)
+		*handled = true;
+	return 0;
+}
+
+static const struct v4l2_subdev_core_ops adv7511_core_ops = {
+	.log_status = adv7511_log_status,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+	.g_register = adv7511_g_register,
+	.s_register = adv7511_s_register,
+#endif
+	.s_power = adv7511_s_power,
+	.interrupt_service_routine = adv7511_isr,
+};
+
+/* ------------------------------ VIDEO OPS ------------------------------ */
+
+/* Enable/disable adv7511 output */
+static int adv7511_s_stream(struct v4l2_subdev *sd, int enable)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	v4l2_dbg(1, debug, sd, "%s: %sable\n", __func__, (enable ? "en" : "dis"));
+	adv7511_wr_and_or(sd, 0xa1, ~0x3c, (enable ? 0 : 0x3c));
+	if (enable) {
+		adv7511_check_monitor_present_status(sd);
+	} else {
+		adv7511_s_power(sd, 0);
+		state->have_monitor = false;
+	}
+	return 0;
+}
+
+static int adv7511_s_dv_timings(struct v4l2_subdev *sd,
+			       struct v4l2_dv_timings *timings)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
+
+	/* quick sanity check */
+	if (!v4l2_valid_dv_timings(timings, &adv7511_timings_cap, NULL, NULL))
+		return -EINVAL;
+
+	/* Fill the optional fields .standards and .flags in struct v4l2_dv_timings
+	   if the format is one of the CEA or DMT timings. */
+	v4l2_find_dv_timings_cap(timings, &adv7511_timings_cap, 0, NULL, NULL);
+
+	timings->bt.flags &= ~V4L2_DV_FL_REDUCED_FPS;
+
+	/* save timings */
+	state->dv_timings = *timings;
+
+	/* update quantization range based on new dv_timings */
+	adv7511_set_rgb_quantization_mode(sd, state->rgb_quantization_range_ctrl);
+
+	/* update AVI infoframe */
+	adv7511_set_IT_content_AVI_InfoFrame(sd);
+
+	return 0;
+}
+
+static int adv7511_g_dv_timings(struct v4l2_subdev *sd,
+				struct v4l2_dv_timings *timings)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
+
+	if (!timings)
+		return -EINVAL;
+
+	*timings = state->dv_timings;
+
+	return 0;
+}
+
+static int adv7511_enum_dv_timings(struct v4l2_subdev *sd,
+				   struct v4l2_enum_dv_timings *timings)
+{
+	if (timings->pad != 0)
+		return -EINVAL;
+
+	return v4l2_enum_dv_timings_cap(timings, &adv7511_timings_cap, NULL, NULL);
+}
+
+static int adv7511_dv_timings_cap(struct v4l2_subdev *sd,
+				  struct v4l2_dv_timings_cap *cap)
+{
+	if (cap->pad != 0)
+		return -EINVAL;
+
+	*cap = adv7511_timings_cap;
+	return 0;
+}
+
+static const struct v4l2_subdev_video_ops adv7511_video_ops = {
+	.s_stream = adv7511_s_stream,
+	.s_dv_timings = adv7511_s_dv_timings,
+	.g_dv_timings = adv7511_g_dv_timings,
+};
+
+/* ------------------------------ AUDIO OPS ------------------------------ */
+static int adv7511_s_audio_stream(struct v4l2_subdev *sd, int enable)
+{
+	v4l2_dbg(1, debug, sd, "%s: %sable\n", __func__, (enable ? "en" : "dis"));
+
+	if (enable)
+		adv7511_wr_and_or(sd, 0x4b, 0x3f, 0x80);
+	else
+		adv7511_wr_and_or(sd, 0x4b, 0x3f, 0x40);
+
+	return 0;
+}
+
+static int adv7511_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
+{
+	u32 N;
+
+	switch (freq) {
+	case 32000:  N = 4096;  break;
+	case 44100:  N = 6272;  break;
+	case 48000:  N = 6144;  break;
+	case 88200:  N = 12544; break;
+	case 96000:  N = 12288; break;
+	case 176400: N = 25088; break;
+	case 192000: N = 24576; break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Set N (used with CTS to regenerate the audio clock) */
+	adv7511_wr(sd, 0x01, (N >> 16) & 0xf);
+	adv7511_wr(sd, 0x02, (N >> 8) & 0xff);
+	adv7511_wr(sd, 0x03, N & 0xff);
+
+	return 0;
+}
+
+static int adv7511_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq)
+{
+	u32 i2s_sf;
+
+	switch (freq) {
+	case 32000:  i2s_sf = 0x30; break;
+	case 44100:  i2s_sf = 0x00; break;
+	case 48000:  i2s_sf = 0x20; break;
+	case 88200:  i2s_sf = 0x80; break;
+	case 96000:  i2s_sf = 0xa0; break;
+	case 176400: i2s_sf = 0xc0; break;
+	case 192000: i2s_sf = 0xe0; break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Set sampling frequency for I2S audio to 48 kHz */
+	adv7511_wr_and_or(sd, 0x15, 0xf, i2s_sf);
+
+	return 0;
+}
+
+static int adv7511_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config)
+{
+	/* Only 2 channels in use for application */
+	adv7511_wr_and_or(sd, 0x73, 0xf8, 0x1);
+	/* Speaker mapping */
+	adv7511_wr(sd, 0x76, 0x00);
+
+	/* 16 bit audio word length */
+	adv7511_wr_and_or(sd, 0x14, 0xf0, 0x02);
+
+	return 0;
+}
+
+static const struct v4l2_subdev_audio_ops adv7511_audio_ops = {
+	.s_stream = adv7511_s_audio_stream,
+	.s_clock_freq = adv7511_s_clock_freq,
+	.s_i2s_clock_freq = adv7511_s_i2s_clock_freq,
+	.s_routing = adv7511_s_routing,
+};
+
+/* ---------------------------- PAD OPS ------------------------------------- */
+
+static int adv7511_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	memset(edid->reserved, 0, sizeof(edid->reserved));
+
+	if (edid->pad != 0)
+		return -EINVAL;
+
+	if (edid->start_block == 0 && edid->blocks == 0) {
+		edid->blocks = state->edid.segments * 2;
+		return 0;
+	}
+
+	if (state->edid.segments == 0)
+		return -ENODATA;
+
+	if (edid->start_block >= state->edid.segments * 2)
+		return -EINVAL;
+
+	if (edid->start_block + edid->blocks > state->edid.segments * 2)
+		edid->blocks = state->edid.segments * 2 - edid->start_block;
+
+	memcpy(edid->edid, &state->edid.data[edid->start_block * 128],
+			128 * edid->blocks);
+
+	return 0;
+}
+
+static int adv7511_enum_mbus_code(struct v4l2_subdev *sd,
+				  struct v4l2_subdev_pad_config *cfg,
+				  struct v4l2_subdev_mbus_code_enum *code)
+{
+	if (code->pad != 0)
+		return -EINVAL;
+
+	switch (code->index) {
+	case 0:
+		code->code = MEDIA_BUS_FMT_RGB888_1X24;
+		break;
+	case 1:
+		code->code = MEDIA_BUS_FMT_YUYV8_1X16;
+		break;
+	case 2:
+		code->code = MEDIA_BUS_FMT_UYVY8_1X16;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void adv7511_fill_format(struct adv7511_state *state,
+				struct v4l2_mbus_framefmt *format)
+{
+	memset(format, 0, sizeof(*format));
+
+	format->width = state->dv_timings.bt.width;
+	format->height = state->dv_timings.bt.height;
+	format->field = V4L2_FIELD_NONE;
+}
+
+static int adv7511_get_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_subdev_pad_config *cfg,
+			   struct v4l2_subdev_format *format)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	if (format->pad != 0)
+		return -EINVAL;
+
+	adv7511_fill_format(state, &format->format);
+
+	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
+		struct v4l2_mbus_framefmt *fmt;
+
+		fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
+		format->format.code = fmt->code;
+		format->format.colorspace = fmt->colorspace;
+		format->format.ycbcr_enc = fmt->ycbcr_enc;
+		format->format.quantization = fmt->quantization;
+		format->format.xfer_func = fmt->xfer_func;
+	} else {
+		format->format.code = state->fmt_code;
+		format->format.colorspace = state->colorspace;
+		format->format.ycbcr_enc = state->ycbcr_enc;
+		format->format.quantization = state->quantization;
+		format->format.xfer_func = state->xfer_func;
+	}
+
+	return 0;
+}
+
+static int adv7511_set_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_subdev_pad_config *cfg,
+			   struct v4l2_subdev_format *format)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	/*
+	 * Bitfield namings come the CEA-861-F standard, table 8 "Auxiliary
+	 * Video Information (AVI) InfoFrame Format"
+	 *
+	 * c = Colorimetry
+	 * ec = Extended Colorimetry
+	 * y = RGB or YCbCr
+	 * q = RGB Quantization Range
+	 * yq = YCC Quantization Range
+	 */
+	u8 c = HDMI_COLORIMETRY_NONE;
+	u8 ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
+	u8 y = HDMI_COLORSPACE_RGB;
+	u8 q = HDMI_QUANTIZATION_RANGE_DEFAULT;
+	u8 yq = HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
+
+	if (format->pad != 0)
+		return -EINVAL;
+	switch (format->format.code) {
+	case MEDIA_BUS_FMT_UYVY8_1X16:
+	case MEDIA_BUS_FMT_YUYV8_1X16:
+	case MEDIA_BUS_FMT_RGB888_1X24:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	adv7511_fill_format(state, &format->format);
+	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
+		struct v4l2_mbus_framefmt *fmt;
+
+		fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
+		fmt->code = format->format.code;
+		fmt->colorspace = format->format.colorspace;
+		fmt->ycbcr_enc = format->format.ycbcr_enc;
+		fmt->quantization = format->format.quantization;
+		fmt->xfer_func = format->format.xfer_func;
+		return 0;
+	}
+
+	switch (format->format.code) {
+	case MEDIA_BUS_FMT_UYVY8_1X16:
+		adv7511_wr_and_or(sd, 0x15, 0xf0, 0x01);
+		adv7511_wr_and_or(sd, 0x16, 0x03, 0xb8);
+		y = HDMI_COLORSPACE_YUV422;
+		break;
+	case MEDIA_BUS_FMT_YUYV8_1X16:
+		adv7511_wr_and_or(sd, 0x15, 0xf0, 0x01);
+		adv7511_wr_and_or(sd, 0x16, 0x03, 0xbc);
+		y = HDMI_COLORSPACE_YUV422;
+		break;
+	case MEDIA_BUS_FMT_RGB888_1X24:
+	default:
+		adv7511_wr_and_or(sd, 0x15, 0xf0, 0x00);
+		adv7511_wr_and_or(sd, 0x16, 0x03, 0x00);
+		break;
+	}
+	state->fmt_code = format->format.code;
+	state->colorspace = format->format.colorspace;
+	state->ycbcr_enc = format->format.ycbcr_enc;
+	state->quantization = format->format.quantization;
+	state->xfer_func = format->format.xfer_func;
+
+	switch (format->format.colorspace) {
+	case V4L2_COLORSPACE_ADOBERGB:
+		c = HDMI_COLORIMETRY_EXTENDED;
+		ec = y ? HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601 :
+			 HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB;
+		break;
+	case V4L2_COLORSPACE_SMPTE170M:
+		c = y ? HDMI_COLORIMETRY_ITU_601 : HDMI_COLORIMETRY_NONE;
+		if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_XV601) {
+			c = HDMI_COLORIMETRY_EXTENDED;
+			ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
+		}
+		break;
+	case V4L2_COLORSPACE_REC709:
+		c = y ? HDMI_COLORIMETRY_ITU_709 : HDMI_COLORIMETRY_NONE;
+		if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_XV709) {
+			c = HDMI_COLORIMETRY_EXTENDED;
+			ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_709;
+		}
+		break;
+	case V4L2_COLORSPACE_SRGB:
+		c = y ? HDMI_COLORIMETRY_EXTENDED : HDMI_COLORIMETRY_NONE;
+		ec = y ? HDMI_EXTENDED_COLORIMETRY_S_YCC_601 :
+			 HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
+		break;
+	case V4L2_COLORSPACE_BT2020:
+		c = HDMI_COLORIMETRY_EXTENDED;
+		if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_BT2020_CONST_LUM)
+			ec = 5; /* Not yet available in hdmi.h */
+		else
+			ec = 6; /* Not yet available in hdmi.h */
+		break;
+	default:
+		break;
+	}
+
+	/*
+	 * CEA-861-F says that for RGB formats the YCC range must match the
+	 * RGB range, although sources should ignore the YCC range.
+	 *
+	 * The RGB quantization range shouldn't be non-zero if the EDID doesn't
+	 * have the Q bit set in the Video Capabilities Data Block, however this
+	 * isn't checked at the moment. The assumption is that the application
+	 * knows the EDID and can detect this.
+	 *
+	 * The same is true for the YCC quantization range: non-standard YCC
+	 * quantization ranges should only be sent if the EDID has the YQ bit
+	 * set in the Video Capabilities Data Block.
+	 */
+	switch (format->format.quantization) {
+	case V4L2_QUANTIZATION_FULL_RANGE:
+		q = y ? HDMI_QUANTIZATION_RANGE_DEFAULT :
+			HDMI_QUANTIZATION_RANGE_FULL;
+		yq = q ? q - 1 : HDMI_YCC_QUANTIZATION_RANGE_FULL;
+		break;
+	case V4L2_QUANTIZATION_LIM_RANGE:
+		q = y ? HDMI_QUANTIZATION_RANGE_DEFAULT :
+			HDMI_QUANTIZATION_RANGE_LIMITED;
+		yq = q ? q - 1 : HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
+		break;
+	}
+
+	adv7511_wr_and_or(sd, 0x4a, 0xbf, 0);
+	adv7511_wr_and_or(sd, 0x55, 0x9f, y << 5);
+	adv7511_wr_and_or(sd, 0x56, 0x3f, c << 6);
+	adv7511_wr_and_or(sd, 0x57, 0x83, (ec << 4) | (q << 2));
+	adv7511_wr_and_or(sd, 0x59, 0x0f, yq << 4);
+	adv7511_wr_and_or(sd, 0x4a, 0xff, 1);
+
+	return 0;
+}
+
+static const struct v4l2_subdev_pad_ops adv7511_pad_ops = {
+	.get_edid = adv7511_get_edid,
+	.enum_mbus_code = adv7511_enum_mbus_code,
+	.get_fmt = adv7511_get_fmt,
+	.set_fmt = adv7511_set_fmt,
+	.enum_dv_timings = adv7511_enum_dv_timings,
+	.dv_timings_cap = adv7511_dv_timings_cap,
+};
+
+/* --------------------- SUBDEV OPS --------------------------------------- */
+
+static const struct v4l2_subdev_ops adv7511_ops = {
+	.core  = &adv7511_core_ops,
+	.pad  = &adv7511_pad_ops,
+	.video = &adv7511_video_ops,
+	.audio = &adv7511_audio_ops,
+};
+
+/* ----------------------------------------------------------------------- */
+static void adv7511_dbg_dump_edid(int lvl, int debug, struct v4l2_subdev *sd, int segment, u8 *buf)
+{
+	if (debug >= lvl) {
+		int i, j;
+		v4l2_dbg(lvl, debug, sd, "edid segment %d\n", segment);
+		for (i = 0; i < 256; i += 16) {
+			u8 b[128];
+			u8 *bp = b;
+			if (i == 128)
+				v4l2_dbg(lvl, debug, sd, "\n");
+			for (j = i; j < i + 16; j++) {
+				sprintf(bp, "0x%02x, ", buf[j]);
+				bp += 6;
+			}
+			bp[0] = '\0';
+			v4l2_dbg(lvl, debug, sd, "%s\n", b);
+		}
+	}
+}
+
+static void adv7511_notify_no_edid(struct v4l2_subdev *sd)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	struct adv7511_edid_detect ed;
+
+	/* We failed to read the EDID, so send an event for this. */
+	ed.present = false;
+	ed.segment = adv7511_rd(sd, 0xc4);
+	v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
+	v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x0);
+}
+
+static void adv7511_edid_handler(struct work_struct *work)
+{
+	struct delayed_work *dwork = to_delayed_work(work);
+	struct adv7511_state *state = container_of(dwork, struct adv7511_state, edid_handler);
+	struct v4l2_subdev *sd = &state->sd;
+
+	v4l2_dbg(1, debug, sd, "%s:\n", __func__);
+
+	if (adv7511_check_edid_status(sd)) {
+		/* Return if we received the EDID. */
+		return;
+	}
+
+	if (adv7511_have_hotplug(sd)) {
+		/* We must retry reading the EDID several times, it is possible
+		 * that initially the EDID couldn't be read due to i2c errors
+		 * (DVI connectors are particularly prone to this problem). */
+		if (state->edid.read_retries) {
+			state->edid.read_retries--;
+			v4l2_dbg(1, debug, sd, "%s: edid read failed\n", __func__);
+			state->have_monitor = false;
+			adv7511_s_power(sd, false);
+			adv7511_s_power(sd, true);
+			queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
+			return;
+		}
+	}
+
+	/* We failed to read the EDID, so send an event for this. */
+	adv7511_notify_no_edid(sd);
+	v4l2_dbg(1, debug, sd, "%s: no edid found\n", __func__);
+}
+
+static void adv7511_audio_setup(struct v4l2_subdev *sd)
+{
+	v4l2_dbg(1, debug, sd, "%s\n", __func__);
+
+	adv7511_s_i2s_clock_freq(sd, 48000);
+	adv7511_s_clock_freq(sd, 48000);
+	adv7511_s_routing(sd, 0, 0, 0);
+}
+
+/* Configure hdmi transmitter. */
+static void adv7511_setup(struct v4l2_subdev *sd)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	v4l2_dbg(1, debug, sd, "%s\n", __func__);
+
+	/* Input format: RGB 4:4:4 */
+	adv7511_wr_and_or(sd, 0x15, 0xf0, 0x0);
+	/* Output format: RGB 4:4:4 */
+	adv7511_wr_and_or(sd, 0x16, 0x7f, 0x0);
+	/* 1st order interpolation 4:2:2 -> 4:4:4 up conversion, Aspect ratio: 16:9 */
+	adv7511_wr_and_or(sd, 0x17, 0xf9, 0x06);
+	/* Disable pixel repetition */
+	adv7511_wr_and_or(sd, 0x3b, 0x9f, 0x0);
+	/* Disable CSC */
+	adv7511_wr_and_or(sd, 0x18, 0x7f, 0x0);
+	/* Output format: RGB 4:4:4, Active Format Information is valid,
+	 * underscanned */
+	adv7511_wr_and_or(sd, 0x55, 0x9c, 0x12);
+	/* AVI Info frame packet enable, Audio Info frame disable */
+	adv7511_wr_and_or(sd, 0x44, 0xe7, 0x10);
+	/* Colorimetry, Active format aspect ratio: same as picure. */
+	adv7511_wr(sd, 0x56, 0xa8);
+	/* No encryption */
+	adv7511_wr_and_or(sd, 0xaf, 0xed, 0x0);
+
+	/* Positive clk edge capture for input video clock */
+	adv7511_wr_and_or(sd, 0xba, 0x1f, 0x60);
+
+	adv7511_audio_setup(sd);
+
+	v4l2_ctrl_handler_setup(&state->hdl);
+}
+
+static void adv7511_notify_monitor_detect(struct v4l2_subdev *sd)
+{
+	struct adv7511_monitor_detect mdt;
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	mdt.present = state->have_monitor;
+	v4l2_subdev_notify(sd, ADV7511_MONITOR_DETECT, (void *)&mdt);
+}
+
+static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	/* read hotplug and rx-sense state */
+	u8 status = adv7511_rd(sd, 0x42);
+
+	v4l2_dbg(1, debug, sd, "%s: status: 0x%x%s%s\n",
+			 __func__,
+			 status,
+			 status & MASK_ADV7511_HPD_DETECT ? ", hotplug" : "",
+			 status & MASK_ADV7511_MSEN_DETECT ? ", rx-sense" : "");
+
+	/* update read only ctrls */
+	v4l2_ctrl_s_ctrl(state->hotplug_ctrl, adv7511_have_hotplug(sd) ? 0x1 : 0x0);
+	v4l2_ctrl_s_ctrl(state->rx_sense_ctrl, adv7511_have_rx_sense(sd) ? 0x1 : 0x0);
+
+	if ((status & MASK_ADV7511_HPD_DETECT) && ((status & MASK_ADV7511_MSEN_DETECT) || state->edid.segments)) {
+		v4l2_dbg(1, debug, sd, "%s: hotplug and (rx-sense or edid)\n", __func__);
+		if (!state->have_monitor) {
+			v4l2_dbg(1, debug, sd, "%s: monitor detected\n", __func__);
+			state->have_monitor = true;
+			adv7511_set_isr(sd, true);
+			if (!adv7511_s_power(sd, true)) {
+				v4l2_dbg(1, debug, sd, "%s: monitor detected, powerup failed\n", __func__);
+				return;
+			}
+			adv7511_setup(sd);
+			adv7511_notify_monitor_detect(sd);
+			state->edid.read_retries = EDID_MAX_RETRIES;
+			queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
+		}
+	} else if (status & MASK_ADV7511_HPD_DETECT) {
+		v4l2_dbg(1, debug, sd, "%s: hotplug detected\n", __func__);
+		state->edid.read_retries = EDID_MAX_RETRIES;
+		queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
+	} else if (!(status & MASK_ADV7511_HPD_DETECT)) {
+		v4l2_dbg(1, debug, sd, "%s: hotplug not detected\n", __func__);
+		if (state->have_monitor) {
+			v4l2_dbg(1, debug, sd, "%s: monitor not detected\n", __func__);
+			state->have_monitor = false;
+			adv7511_notify_monitor_detect(sd);
+		}
+		adv7511_s_power(sd, false);
+		memset(&state->edid, 0, sizeof(struct adv7511_state_edid));
+		adv7511_notify_no_edid(sd);
+	}
+}
+
+static bool edid_block_verify_crc(u8 *edid_block)
+{
+	u8 sum = 0;
+	int i;
+
+	for (i = 0; i < 128; i++)
+		sum += edid_block[i];
+	return sum == 0;
+}
+
+static bool edid_verify_crc(struct v4l2_subdev *sd, u32 segment)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	u32 blocks = state->edid.blocks;
+	u8 *data = state->edid.data;
+
+	if (!edid_block_verify_crc(&data[segment * 256]))
+		return false;
+	if ((segment + 1) * 2 <= blocks)
+		return edid_block_verify_crc(&data[segment * 256 + 128]);
+	return true;
+}
+
+static bool edid_verify_header(struct v4l2_subdev *sd, u32 segment)
+{
+	static const u8 hdmi_header[] = {
+		0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
+	};
+	struct adv7511_state *state = get_adv7511_state(sd);
+	u8 *data = state->edid.data;
+
+	if (segment != 0)
+		return true;
+	return !memcmp(data, hdmi_header, sizeof(hdmi_header));
+}
+
+static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	u8 edidRdy = adv7511_rd(sd, 0xc5);
+
+	v4l2_dbg(1, debug, sd, "%s: edid ready (retries: %d)\n",
+			 __func__, EDID_MAX_RETRIES - state->edid.read_retries);
+
+	if (state->edid.complete)
+		return true;
+
+	if (edidRdy & MASK_ADV7511_EDID_RDY) {
+		int segment = adv7511_rd(sd, 0xc4);
+		struct adv7511_edid_detect ed;
+
+		if (segment >= EDID_MAX_SEGM) {
+			v4l2_err(sd, "edid segment number too big\n");
+			return false;
+		}
+		v4l2_dbg(1, debug, sd, "%s: got segment %d\n", __func__, segment);
+		adv7511_edid_rd(sd, 256, &state->edid.data[segment * 256]);
+		adv7511_dbg_dump_edid(2, debug, sd, segment, &state->edid.data[segment * 256]);
+		if (segment == 0) {
+			state->edid.blocks = state->edid.data[0x7e] + 1;
+			v4l2_dbg(1, debug, sd, "%s: %d blocks in total\n", __func__, state->edid.blocks);
+		}
+		if (!edid_verify_crc(sd, segment) ||
+		    !edid_verify_header(sd, segment)) {
+			/* edid crc error, force reread of edid segment */
+			v4l2_err(sd, "%s: edid crc or header error\n", __func__);
+			state->have_monitor = false;
+			adv7511_s_power(sd, false);
+			adv7511_s_power(sd, true);
+			return false;
+		}
+		/* one more segment read ok */
+		state->edid.segments = segment + 1;
+		v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x1);
+		if (((state->edid.data[0x7e] >> 1) + 1) > state->edid.segments) {
+			/* Request next EDID segment */
+			v4l2_dbg(1, debug, sd, "%s: request segment %d\n", __func__, state->edid.segments);
+			adv7511_wr(sd, 0xc9, 0xf);
+			adv7511_wr(sd, 0xc4, state->edid.segments);
+			state->edid.read_retries = EDID_MAX_RETRIES;
+			queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY);
+			return false;
+		}
+
+		v4l2_dbg(1, debug, sd, "%s: edid complete with %d segment(s)\n", __func__, state->edid.segments);
+		state->edid.complete = true;
+
+		/* report when we have all segments
+		   but report only for segment 0
+		 */
+		ed.present = true;
+		ed.segment = 0;
+		state->edid_detect_counter++;
+		v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
+		return ed.present;
+	}
+
+	return false;
+}
+
+/* ----------------------------------------------------------------------- */
+/* Setup ADV7511 */
+static void adv7511_init_setup(struct v4l2_subdev *sd)
+{
+	struct adv7511_state *state = get_adv7511_state(sd);
+	struct adv7511_state_edid *edid = &state->edid;
+
+	v4l2_dbg(1, debug, sd, "%s\n", __func__);
+
+	/* clear all interrupts */
+	adv7511_wr(sd, 0x96, 0xff);
+	/*
+	 * Stop HPD from resetting a lot of registers.
+	 * It might leave the chip in a partly un-initialized state,
+	 * in particular with regards to hotplug bounces.
+	 */
+	adv7511_wr_and_or(sd, 0xd6, 0x3f, 0xc0);
+	memset(edid, 0, sizeof(struct adv7511_state_edid));
+	state->have_monitor = false;
+	adv7511_set_isr(sd, false);
+	adv7511_s_stream(sd, false);
+	adv7511_s_audio_stream(sd, false);
+}
+
+static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	struct adv7511_state *state;
+	struct adv7511_platform_data *pdata = client->dev.platform_data;
+	struct v4l2_ctrl_handler *hdl;
+	struct v4l2_subdev *sd;
+	u8 chip_id[2];
+	int err = -EIO;
+
+	/* Check if the adapter supports the needed features */
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -EIO;
+
+	state = devm_kzalloc(&client->dev, sizeof(struct adv7511_state), GFP_KERNEL);
+	if (!state)
+		return -ENOMEM;
+
+	/* Platform data */
+	if (!pdata) {
+		v4l_err(client, "No platform data!\n");
+		return -ENODEV;
+	}
+	memcpy(&state->pdata, pdata, sizeof(state->pdata));
+	state->fmt_code = MEDIA_BUS_FMT_RGB888_1X24;
+	state->colorspace = V4L2_COLORSPACE_SRGB;
+
+	sd = &state->sd;
+
+	v4l2_dbg(1, debug, sd, "detecting adv7511 client on address 0x%x\n",
+			 client->addr << 1);
+
+	v4l2_i2c_subdev_init(sd, client, &adv7511_ops);
+
+	hdl = &state->hdl;
+	v4l2_ctrl_handler_init(hdl, 10);
+	/* add in ascending ID order */
+	state->hdmi_mode_ctrl = v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops,
+			V4L2_CID_DV_TX_MODE, V4L2_DV_TX_MODE_HDMI,
+			0, V4L2_DV_TX_MODE_DVI_D);
+	state->hotplug_ctrl = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_DV_TX_HOTPLUG, 0, 1, 0, 0);
+	state->rx_sense_ctrl = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_DV_TX_RXSENSE, 0, 1, 0, 0);
+	state->have_edid0_ctrl = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_DV_TX_EDID_PRESENT, 0, 1, 0, 0);
+	state->rgb_quantization_range_ctrl =
+		v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops,
+			V4L2_CID_DV_TX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL,
+			0, V4L2_DV_RGB_RANGE_AUTO);
+	sd->ctrl_handler = hdl;
+	if (hdl->error) {
+		err = hdl->error;
+		goto err_hdl;
+	}
+	state->hdmi_mode_ctrl->is_private = true;
+	state->hotplug_ctrl->is_private = true;
+	state->rx_sense_ctrl->is_private = true;
+	state->have_edid0_ctrl->is_private = true;
+	state->rgb_quantization_range_ctrl->is_private = true;
+
+	state->pad.flags = MEDIA_PAD_FL_SINK;
+	err = media_entity_init(&sd->entity, 1, &state->pad, 0);
+	if (err)
+		goto err_hdl;
+
+	/* EDID and CEC i2c addr */
+	state->i2c_edid_addr = state->pdata.i2c_edid << 1;
+	state->i2c_cec_addr = state->pdata.i2c_cec << 1;
+	state->i2c_pktmem_addr = state->pdata.i2c_pktmem << 1;
+
+	state->chip_revision = adv7511_rd(sd, 0x0);
+	chip_id[0] = adv7511_rd(sd, 0xf5);
+	chip_id[1] = adv7511_rd(sd, 0xf6);
+	if (chip_id[0] != 0x75 || chip_id[1] != 0x11) {
+		v4l2_err(sd, "chip_id != 0x7511, read 0x%02x%02x\n", chip_id[0], chip_id[1]);
+		err = -EIO;
+		goto err_entity;
+	}
+
+	state->i2c_edid = i2c_new_dummy(client->adapter, state->i2c_edid_addr >> 1);
+	if (state->i2c_edid == NULL) {
+		v4l2_err(sd, "failed to register edid i2c client\n");
+		err = -ENOMEM;
+		goto err_entity;
+	}
+
+	state->i2c_pktmem = i2c_new_dummy(client->adapter, state->i2c_pktmem_addr >> 1);
+	if (state->i2c_pktmem == NULL) {
+		v4l2_err(sd, "failed to register pktmem i2c client\n");
+		err = -ENOMEM;
+		goto err_unreg_edid;
+	}
+
+	adv7511_wr(sd, 0xe2, 0x01); /* power down cec section */
+	state->work_queue = create_singlethread_workqueue(sd->name);
+	if (state->work_queue == NULL) {
+		v4l2_err(sd, "could not create workqueue\n");
+		err = -ENOMEM;
+		goto err_unreg_pktmem;
+	}
+
+	INIT_DELAYED_WORK(&state->edid_handler, adv7511_edid_handler);
+
+	adv7511_init_setup(sd);
+	adv7511_set_isr(sd, true);
+	adv7511_check_monitor_present_status(sd);
+
+	v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
+			  client->addr << 1, client->adapter->name);
+	return 0;
+
+err_unreg_pktmem:
+	i2c_unregister_device(state->i2c_pktmem);
+err_unreg_edid:
+	i2c_unregister_device(state->i2c_edid);
+err_entity:
+	media_entity_cleanup(&sd->entity);
+err_hdl:
+	v4l2_ctrl_handler_free(&state->hdl);
+	return err;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static int adv7511_remove(struct i2c_client *client)
+{
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct adv7511_state *state = get_adv7511_state(sd);
+
+	state->chip_revision = -1;
+
+	v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name,
+		 client->addr << 1, client->adapter->name);
+
+	adv7511_init_setup(sd);
+	cancel_delayed_work(&state->edid_handler);
+	i2c_unregister_device(state->i2c_edid);
+	i2c_unregister_device(state->i2c_pktmem);
+	destroy_workqueue(state->work_queue);
+	v4l2_device_unregister_subdev(sd);
+	media_entity_cleanup(&sd->entity);
+	v4l2_ctrl_handler_free(sd->ctrl_handler);
+	return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static struct i2c_device_id adv7511_id[] = {
+	{ "adv7511", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, adv7511_id);
+
+static struct i2c_driver adv7511_driver = {
+	.driver = {
+		.name = "adv7511",
+	},
+	.probe = adv7511_probe,
+	.remove = adv7511_remove,
+	.id_table = adv7511_id,
+};
+
+module_i2c_driver(adv7511_driver);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/i2c/Makefile linux-libre-4.4.187-gnu/drivers/media/i2c/Makefile
--- linux-libre-4.4.186-gnu/drivers/media/i2c/Makefile	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/i2c/Makefile	2019-08-04 03:35:02.000000000 -0400
@@ -28,7 +28,7 @@ obj-$(CONFIG_VIDEO_ADV7393) += adv7393.o
 obj-$(CONFIG_VIDEO_ADV7604) += adv7604.o
 obj-$(CONFIG_VIDEO_ADV7842) += adv7842.o
 obj-$(CONFIG_VIDEO_AD9389B) += ad9389b.o
-obj-$(CONFIG_VIDEO_ADV7511) += adv7511.o
+obj-$(CONFIG_VIDEO_ADV7511) += adv7511-v4l2.o
 obj-$(CONFIG_VIDEO_VPX3220) += vpx3220.o
 obj-$(CONFIG_VIDEO_VS6624)  += vs6624.o
 obj-$(CONFIG_VIDEO_BT819) += bt819.o
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/platform/coda/coda-bit.c linux-libre-4.4.187-gnu/drivers/media/platform/coda/coda-bit.c
--- linux-libre-4.4.186-gnu/drivers/media/platform/coda/coda-bit.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/platform/coda/coda-bit.c	2019-08-04 03:35:02.000000000 -0400
@@ -1581,6 +1581,7 @@ static int __coda_start_decoding(struct
 		coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
 		return -ETIMEDOUT;
 	}
+	ctx->sequence_offset = ~0U;
 	ctx->initialized = 1;
 
 	/* Update kfifo out pointer from coda bitstream read pointer */
@@ -1966,12 +1967,17 @@ static void coda_finish_decode(struct co
 		else if (ctx->display_idx < 0)
 			ctx->hold = true;
 	} else if (decoded_idx == -2) {
+		if (ctx->display_idx >= 0 &&
+		    ctx->display_idx < ctx->num_internal_frames)
+			ctx->sequence_offset++;
 		/* no frame was decoded, we still return remaining buffers */
 	} else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) {
 		v4l2_err(&dev->v4l2_dev,
 			 "decoded frame index out of range: %d\n", decoded_idx);
 	} else {
-		val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM) - 1;
+		val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM);
+		if (ctx->sequence_offset == -1)
+			ctx->sequence_offset = val;
 		val -= ctx->sequence_offset;
 		spin_lock_irqsave(&ctx->buffer_meta_lock, flags);
 		if (!list_empty(&ctx->buffer_meta_list)) {
@@ -2101,7 +2107,6 @@ irqreturn_t coda_irq_handler(int irq, vo
 	if (ctx == NULL) {
 		v4l2_err(&dev->v4l2_dev,
 			 "Instance released before the end of transaction\n");
-		mutex_unlock(&dev->coda_mutex);
 		return IRQ_HANDLED;
 	}
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/platform/davinci/vpss.c linux-libre-4.4.187-gnu/drivers/media/platform/davinci/vpss.c
--- linux-libre-4.4.186-gnu/drivers/media/platform/davinci/vpss.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/platform/davinci/vpss.c	2019-08-04 03:35:02.000000000 -0400
@@ -523,6 +523,11 @@ static int __init vpss_init(void)
 		return -EBUSY;
 
 	oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4);
+	if (unlikely(!oper_cfg.vpss_regs_base2)) {
+		release_mem_region(VPSS_CLK_CTRL, 4);
+		return -ENOMEM;
+	}
+
 	writel(VPSS_CLK_CTRL_VENCCLKEN |
 		     VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/platform/marvell-ccic/mcam-core.c linux-libre-4.4.187-gnu/drivers/media/platform/marvell-ccic/mcam-core.c
--- linux-libre-4.4.186-gnu/drivers/media/platform/marvell-ccic/mcam-core.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/platform/marvell-ccic/mcam-core.c	2019-08-04 03:35:02.000000000 -0400
@@ -209,7 +209,6 @@ struct mcam_vb_buffer {
 	struct list_head queue;
 	struct mcam_dma_desc *dma_desc;	/* Descriptor virtual address */
 	dma_addr_t dma_desc_pa;		/* Descriptor physical address */
-	int dma_desc_nent;		/* Number of mapped descriptors */
 };
 
 static inline struct mcam_vb_buffer *vb_to_mvb(struct vb2_v4l2_buffer *vb)
@@ -616,9 +615,11 @@ static void mcam_dma_contig_done(struct
 static void mcam_sg_next_buffer(struct mcam_camera *cam)
 {
 	struct mcam_vb_buffer *buf;
+	struct sg_table *sg_table;
 
 	buf = list_first_entry(&cam->buffers, struct mcam_vb_buffer, queue);
 	list_del_init(&buf->queue);
+	sg_table = vb2_dma_sg_plane_desc(&buf->vb_buf.vb2_buf, 0);
 	/*
 	 * Very Bad Not Good Things happen if you don't clear
 	 * C1_DESC_ENA before making any descriptor changes.
@@ -626,7 +627,7 @@ static void mcam_sg_next_buffer(struct m
 	mcam_reg_clear_bit(cam, REG_CTRL1, C1_DESC_ENA);
 	mcam_reg_write(cam, REG_DMA_DESC_Y, buf->dma_desc_pa);
 	mcam_reg_write(cam, REG_DESC_LEN_Y,
-			buf->dma_desc_nent*sizeof(struct mcam_dma_desc));
+			sg_table->nents * sizeof(struct mcam_dma_desc));
 	mcam_reg_write(cam, REG_DESC_LEN_U, 0);
 	mcam_reg_write(cam, REG_DESC_LEN_V, 0);
 	mcam_reg_set_bit(cam, REG_CTRL1, C1_DESC_ENA);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/radio/radio-raremono.c linux-libre-4.4.187-gnu/drivers/media/radio/radio-raremono.c
--- linux-libre-4.4.186-gnu/drivers/media/radio/radio-raremono.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/radio/radio-raremono.c	2019-08-04 03:35:02.000000000 -0400
@@ -283,6 +283,14 @@ static int vidioc_g_frequency(struct fil
 	return 0;
 }
 
+static void raremono_device_release(struct v4l2_device *v4l2_dev)
+{
+	struct raremono_device *radio = to_raremono_dev(v4l2_dev);
+
+	kfree(radio->buffer);
+	kfree(radio);
+}
+
 /* File system interface */
 static const struct v4l2_file_operations usb_raremono_fops = {
 	.owner		= THIS_MODULE,
@@ -307,12 +315,14 @@ static int usb_raremono_probe(struct usb
 	struct raremono_device *radio;
 	int retval = 0;
 
-	radio = devm_kzalloc(&intf->dev, sizeof(struct raremono_device), GFP_KERNEL);
-	if (radio)
-		radio->buffer = devm_kmalloc(&intf->dev, BUFFER_LENGTH, GFP_KERNEL);
-
-	if (!radio || !radio->buffer)
+	radio = kzalloc(sizeof(*radio), GFP_KERNEL);
+	if (!radio)
 		return -ENOMEM;
+	radio->buffer = kmalloc(BUFFER_LENGTH, GFP_KERNEL);
+	if (!radio->buffer) {
+		kfree(radio);
+		return -ENOMEM;
+	}
 
 	radio->usbdev = interface_to_usbdev(intf);
 	radio->intf = intf;
@@ -336,7 +346,8 @@ static int usb_raremono_probe(struct usb
 	if (retval != 3 ||
 	    (get_unaligned_be16(&radio->buffer[1]) & 0xfff) == 0x0242) {
 		dev_info(&intf->dev, "this is not Thanko's Raremono.\n");
-		return -ENODEV;
+		retval = -ENODEV;
+		goto free_mem;
 	}
 
 	dev_info(&intf->dev, "Thanko's Raremono connected: (%04X:%04X)\n",
@@ -345,7 +356,7 @@ static int usb_raremono_probe(struct usb
 	retval = v4l2_device_register(&intf->dev, &radio->v4l2_dev);
 	if (retval < 0) {
 		dev_err(&intf->dev, "couldn't register v4l2_device\n");
-		return retval;
+		goto free_mem;
 	}
 
 	mutex_init(&radio->lock);
@@ -357,6 +368,7 @@ static int usb_raremono_probe(struct usb
 	radio->vdev.ioctl_ops = &usb_raremono_ioctl_ops;
 	radio->vdev.lock = &radio->lock;
 	radio->vdev.release = video_device_release_empty;
+	radio->v4l2_dev.release = raremono_device_release;
 
 	usb_set_intfdata(intf, &radio->v4l2_dev);
 
@@ -372,6 +384,10 @@ static int usb_raremono_probe(struct usb
 	}
 	dev_err(&intf->dev, "could not register video device\n");
 	v4l2_device_unregister(&radio->v4l2_dev);
+
+free_mem:
+	kfree(radio->buffer);
+	kfree(radio);
 	return retval;
 }
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/radio/wl128x/fmdrv_v4l2.c linux-libre-4.4.187-gnu/drivers/media/radio/wl128x/fmdrv_v4l2.c
--- linux-libre-4.4.186-gnu/drivers/media/radio/wl128x/fmdrv_v4l2.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/radio/wl128x/fmdrv_v4l2.c	2019-08-04 03:35:02.000000000 -0400
@@ -553,6 +553,7 @@ int fm_v4l2_init_video_device(struct fmd
 
 	/* Register with V4L2 subsystem as RADIO device */
 	if (video_register_device(&gradio_dev, VFL_TYPE_RADIO, radio_nr)) {
+		v4l2_device_unregister(&fmdev->v4l2_dev);
 		fmerr("Could not register video device\n");
 		return -ENOMEM;
 	}
@@ -566,6 +567,8 @@ int fm_v4l2_init_video_device(struct fmd
 	if (ret < 0) {
 		fmerr("(fmdev): Can't init ctrl handler\n");
 		v4l2_ctrl_handler_free(&fmdev->ctrl_handler);
+		video_unregister_device(fmdev->radio_dev);
+		v4l2_device_unregister(&fmdev->v4l2_dev);
 		return -EBUSY;
 	}
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/usb/cpia2/cpia2_usb.c linux-libre-4.4.187-gnu/drivers/media/usb/cpia2/cpia2_usb.c
--- linux-libre-4.4.186-gnu/drivers/media/usb/cpia2/cpia2_usb.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/usb/cpia2/cpia2_usb.c	2019-08-04 03:35:02.000000000 -0400
@@ -884,7 +884,6 @@ static void cpia2_usb_disconnect(struct
 	cpia2_unregister_camera(cam);
 	v4l2_device_disconnect(&cam->v4l2_dev);
 	mutex_unlock(&cam->v4l2_lock);
-	v4l2_device_put(&cam->v4l2_dev);
 
 	if(cam->buffers) {
 		DBG("Wakeup waiting processes\n");
@@ -897,6 +896,8 @@ static void cpia2_usb_disconnect(struct
 	DBG("Releasing interface\n");
 	usb_driver_release_interface(&cpia2_driver, intf);
 
+	v4l2_device_put(&cam->v4l2_dev);
+
 	LOG("CPiA2 camera disconnected.\n");
 }
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/usb/dvb-usb/dvb-usb-init.c linux-libre-4.4.187-gnu/drivers/media/usb/dvb-usb/dvb-usb-init.c
--- linux-libre-4.4.186-gnu/drivers/media/usb/dvb-usb/dvb-usb-init.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/usb/dvb-usb/dvb-usb-init.c	2019-08-04 03:35:02.000000000 -0400
@@ -286,12 +286,15 @@ EXPORT_SYMBOL(dvb_usb_device_init);
 void dvb_usb_device_exit(struct usb_interface *intf)
 {
 	struct dvb_usb_device *d = usb_get_intfdata(intf);
-	const char *name = "generic DVB-USB module";
+	const char *default_name = "generic DVB-USB module";
+	char name[40];
 
 	usb_set_intfdata(intf, NULL);
 	if (d != NULL && d->desc != NULL) {
-		name = d->desc->name;
+		strscpy(name, d->desc->name, sizeof(name));
 		dvb_usb_exit(d);
+	} else {
+		strscpy(name, default_name, sizeof(name));
 	}
 	info("%s successfully deinitialized and disconnected.", name);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/media/v4l2-core/v4l2-ctrls.c linux-libre-4.4.187-gnu/drivers/media/v4l2-core/v4l2-ctrls.c
--- linux-libre-4.4.186-gnu/drivers/media/v4l2-core/v4l2-ctrls.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/media/v4l2-core/v4l2-ctrls.c	2019-08-04 03:35:02.000000000 -0400
@@ -2073,16 +2073,15 @@ struct v4l2_ctrl *v4l2_ctrl_new_custom(s
 		v4l2_ctrl_fill(cfg->id, &name, &type, &min, &max, &step,
 								&def, &flags);
 
-	is_menu = (cfg->type == V4L2_CTRL_TYPE_MENU ||
-		   cfg->type == V4L2_CTRL_TYPE_INTEGER_MENU);
+	is_menu = (type == V4L2_CTRL_TYPE_MENU ||
+		   type == V4L2_CTRL_TYPE_INTEGER_MENU);
 	if (is_menu)
 		WARN_ON(step);
 	else
 		WARN_ON(cfg->menu_skip_mask);
-	if (cfg->type == V4L2_CTRL_TYPE_MENU && qmenu == NULL)
+	if (type == V4L2_CTRL_TYPE_MENU && !qmenu) {
 		qmenu = v4l2_ctrl_get_menu(cfg->id);
-	else if (cfg->type == V4L2_CTRL_TYPE_INTEGER_MENU &&
-		 qmenu_int == NULL) {
+	} else if (type == V4L2_CTRL_TYPE_INTEGER_MENU && !qmenu_int) {
 		handler_set_err(hdl, -EINVAL);
 		return NULL;
 	}
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/memstick/core/memstick.c linux-libre-4.4.187-gnu/drivers/memstick/core/memstick.c
--- linux-libre-4.4.186-gnu/drivers/memstick/core/memstick.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/memstick/core/memstick.c	2019-08-04 03:35:02.000000000 -0400
@@ -629,13 +629,18 @@ static int __init memstick_init(void)
 		return -ENOMEM;
 
 	rc = bus_register(&memstick_bus_type);
-	if (!rc)
-		rc = class_register(&memstick_host_class);
+	if (rc)
+		goto error_destroy_workqueue;
 
-	if (!rc)
-		return 0;
+	rc = class_register(&memstick_host_class);
+	if (rc)
+		goto error_bus_unregister;
+
+	return 0;
 
+error_bus_unregister:
 	bus_unregister(&memstick_bus_type);
+error_destroy_workqueue:
 	destroy_workqueue(workqueue);
 
 	return rc;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/mfd/arizona-core.c linux-libre-4.4.187-gnu/drivers/mfd/arizona-core.c
--- linux-libre-4.4.186-gnu/drivers/mfd/arizona-core.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/mfd/arizona-core.c	2019-08-04 03:35:02.000000000 -0400
@@ -967,7 +967,7 @@ int arizona_dev_init(struct arizona *ari
 	unsigned int reg, val, mask;
 	int (*apply_patch)(struct arizona *) = NULL;
 	const struct mfd_cell *subdevs = NULL;
-	int n_subdevs, ret, i;
+	int n_subdevs = 0, ret, i;
 
 	dev_set_drvdata(arizona->dev, arizona);
 	mutex_init(&arizona->clk_lock);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/mfd/mfd-core.c linux-libre-4.4.187-gnu/drivers/mfd/mfd-core.c
--- linux-libre-4.4.186-gnu/drivers/mfd/mfd-core.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/mfd/mfd-core.c	2019-08-04 03:35:02.000000000 -0400
@@ -178,6 +178,7 @@ static int mfd_add_device(struct device
 		for_each_child_of_node(parent->of_node, np) {
 			if (of_device_is_compatible(np, cell->of_compatible)) {
 				pdev->dev.of_node = np;
+				pdev->dev.fwnode = &np->fwnode;
 				break;
 			}
 		}
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/bonding/bond_main.c linux-libre-4.4.187-gnu/drivers/net/bonding/bond_main.c
--- linux-libre-4.4.186-gnu/drivers/net/bonding/bond_main.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/bonding/bond_main.c	2019-08-04 03:35:02.000000000 -0400
@@ -3714,8 +3714,8 @@ static u32 bond_rr_gen_slave_id(struct b
 static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
-	struct iphdr *iph = ip_hdr(skb);
 	struct slave *slave;
+	int slave_cnt;
 	u32 slave_id;
 
 	/* Start with the curr_active_slave that joined the bond as the
@@ -3724,23 +3724,32 @@ static int bond_xmit_roundrobin(struct s
 	 * send the join/membership reports.  The curr_active_slave found
 	 * will send all of this type of traffic.
 	 */
-	if (iph->protocol == IPPROTO_IGMP && skb->protocol == htons(ETH_P_IP)) {
-		slave = rcu_dereference(bond->curr_active_slave);
-		if (slave)
-			bond_dev_queue_xmit(bond, skb, slave->dev);
-		else
-			bond_xmit_slave_id(bond, skb, 0);
-	} else {
-		int slave_cnt = ACCESS_ONCE(bond->slave_cnt);
+	if (skb->protocol == htons(ETH_P_IP)) {
+		int noff = skb_network_offset(skb);
+		struct iphdr *iph;
 
-		if (likely(slave_cnt)) {
-			slave_id = bond_rr_gen_slave_id(bond);
-			bond_xmit_slave_id(bond, skb, slave_id % slave_cnt);
-		} else {
-			bond_tx_drop(bond_dev, skb);
+		if (unlikely(!pskb_may_pull(skb, noff + sizeof(*iph))))
+			goto non_igmp;
+
+		iph = ip_hdr(skb);
+		if (iph->protocol == IPPROTO_IGMP) {
+			slave = rcu_dereference(bond->curr_active_slave);
+			if (slave)
+				bond_dev_queue_xmit(bond, skb, slave->dev);
+			else
+				bond_xmit_slave_id(bond, skb, 0);
+			return NETDEV_TX_OK;
 		}
 	}
 
+non_igmp:
+	slave_cnt = ACCESS_ONCE(bond->slave_cnt);
+	if (likely(slave_cnt)) {
+		slave_id = bond_rr_gen_slave_id(bond);
+		bond_xmit_slave_id(bond, skb, slave_id % slave_cnt);
+	} else {
+		bond_tx_drop(bond_dev, skb);
+	}
 	return NETDEV_TX_OK;
 }
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/caif/caif_hsi.c linux-libre-4.4.187-gnu/drivers/net/caif/caif_hsi.c
--- linux-libre-4.4.186-gnu/drivers/net/caif/caif_hsi.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/caif/caif_hsi.c	2019-08-04 03:35:02.000000000 -0400
@@ -1467,7 +1467,7 @@ static void __exit cfhsi_exit_module(voi
 	rtnl_lock();
 	list_for_each_safe(list_node, n, &cfhsi_list) {
 		cfhsi = list_entry(list_node, struct cfhsi, list);
-		unregister_netdev(cfhsi->ndev);
+		unregister_netdevice(cfhsi->ndev);
 	}
 	rtnl_unlock();
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c linux-libre-4.4.187-gnu/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c	2019-07-21 15:39:19.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c	2019-08-05 00:54:20.000000000 -0400
@@ -288,6 +288,9 @@ int bnx2x_tx_int(struct bnx2x *bp, struc
 	hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
 	sw_cons = txdata->tx_pkt_cons;
 
+	/* Ensure subsequent loads occur after hw_cons */
+	smp_rmb();
+
 	while (sw_cons != hw_cons) {
 		u16 pkt_cons;
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/broadcom/genet/bcmgenet.c linux-libre-4.4.187-gnu/drivers/net/ethernet/broadcom/genet/bcmgenet.c
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/broadcom/genet/bcmgenet.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/broadcom/genet/bcmgenet.c	2019-08-04 03:35:02.000000000 -0400
@@ -3090,39 +3090,42 @@ static void bcmgenet_timeout(struct net_
 	netif_tx_wake_all_queues(dev);
 }
 
-#define MAX_MC_COUNT	16
+#define MAX_MDF_FILTER	17
 
 static inline void bcmgenet_set_mdf_addr(struct bcmgenet_priv *priv,
 					 unsigned char *addr,
-					 int *i,
-					 int *mc)
+					 int *i)
 {
-	u32 reg;
-
 	bcmgenet_umac_writel(priv, addr[0] << 8 | addr[1],
 			     UMAC_MDF_ADDR + (*i * 4));
 	bcmgenet_umac_writel(priv, addr[2] << 24 | addr[3] << 16 |
 			     addr[4] << 8 | addr[5],
 			     UMAC_MDF_ADDR + ((*i + 1) * 4));
-	reg = bcmgenet_umac_readl(priv, UMAC_MDF_CTRL);
-	reg |= (1 << (MAX_MC_COUNT - *mc));
-	bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
 	*i += 2;
-	(*mc)++;
 }
 
 static void bcmgenet_set_rx_mode(struct net_device *dev)
 {
 	struct bcmgenet_priv *priv = netdev_priv(dev);
 	struct netdev_hw_addr *ha;
-	int i, mc;
+	int i, nfilter;
 	u32 reg;
 
 	netif_dbg(priv, hw, dev, "%s: %08X\n", __func__, dev->flags);
 
-	/* Promiscuous mode */
+	/* Number of filters needed */
+	nfilter = netdev_uc_count(dev) + netdev_mc_count(dev) + 2;
+
+	/*
+	 * Turn on promicuous mode for three scenarios
+	 * 1. IFF_PROMISC flag is set
+	 * 2. IFF_ALLMULTI flag is set
+	 * 3. The number of filters needed exceeds the number filters
+	 *    supported by the hardware.
+	*/
 	reg = bcmgenet_umac_readl(priv, UMAC_CMD);
-	if (dev->flags & IFF_PROMISC) {
+	if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) ||
+	    (nfilter > MAX_MDF_FILTER)) {
 		reg |= CMD_PROMISC;
 		bcmgenet_umac_writel(priv, reg, UMAC_CMD);
 		bcmgenet_umac_writel(priv, 0, UMAC_MDF_CTRL);
@@ -3132,32 +3135,24 @@ static void bcmgenet_set_rx_mode(struct
 		bcmgenet_umac_writel(priv, reg, UMAC_CMD);
 	}
 
-	/* UniMac doesn't support ALLMULTI */
-	if (dev->flags & IFF_ALLMULTI) {
-		netdev_warn(dev, "ALLMULTI is not supported\n");
-		return;
-	}
-
 	/* update MDF filter */
 	i = 0;
-	mc = 0;
 	/* Broadcast */
-	bcmgenet_set_mdf_addr(priv, dev->broadcast, &i, &mc);
+	bcmgenet_set_mdf_addr(priv, dev->broadcast, &i);
 	/* my own address.*/
-	bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i, &mc);
-	/* Unicast list*/
-	if (netdev_uc_count(dev) > (MAX_MC_COUNT - mc))
-		return;
+	bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i);
 
-	if (!netdev_uc_empty(dev))
-		netdev_for_each_uc_addr(ha, dev)
-			bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
-	/* Multicast */
-	if (netdev_mc_empty(dev) || netdev_mc_count(dev) >= (MAX_MC_COUNT - mc))
-		return;
+	/* Unicast */
+	netdev_for_each_uc_addr(ha, dev)
+		bcmgenet_set_mdf_addr(priv, ha->addr, &i);
 
+	/* Multicast */
 	netdev_for_each_mc_addr(ha, dev)
-		bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
+		bcmgenet_set_mdf_addr(priv, ha->addr, &i);
+
+	/* Enable filters */
+	reg = GENMASK(MAX_MDF_FILTER - 1, MAX_MDF_FILTER - nfilter);
+	bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
 }
 
 /* Set the hardware MAC address. */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/freescale/fec_main.c linux-libre-4.4.187-gnu/drivers/net/ethernet/freescale/fec_main.c
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/freescale/fec_main.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/freescale/fec_main.c	2019-08-04 03:35:02.000000000 -0400
@@ -1699,10 +1699,10 @@ static void fec_get_mac(struct net_devic
 	 */
 	if (!is_valid_ether_addr(iap)) {
 		/* Report it and use a random ethernet address instead */
-		netdev_err(ndev, "Invalid MAC address: %pM\n", iap);
+		dev_err(&fep->pdev->dev, "Invalid MAC address: %pM\n", iap);
 		eth_hw_addr_random(ndev);
-		netdev_info(ndev, "Using random MAC address: %pM\n",
-			    ndev->dev_addr);
+		dev_info(&fep->pdev->dev, "Using random MAC address: %pM\n",
+			 ndev->dev_addr);
 		return;
 	}
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c linux-libre-4.4.187-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c	2019-08-04 03:35:02.000000000 -0400
@@ -3133,7 +3133,8 @@ static int ixgbe_get_module_info(struct
 		page_swap = true;
 	}
 
-	if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap) {
+	if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap ||
+	    !(addr_mode & IXGBE_SFF_DDM_IMPLEMENTED)) {
 		/* We have a SFP, but it does not support SFF-8472 */
 		modinfo->type = ETH_MODULE_SFF_8079;
 		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h linux-libre-4.4.187-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h	2019-08-04 03:35:02.000000000 -0400
@@ -70,6 +70,7 @@
 #define IXGBE_SFF_SOFT_RS_SELECT_10G		0x8
 #define IXGBE_SFF_SOFT_RS_SELECT_1G		0x0
 #define IXGBE_SFF_ADDRESSING_MODE		0x4
+#define IXGBE_SFF_DDM_IMPLEMENTED		0x40
 #define IXGBE_SFF_QSFP_DA_ACTIVE_CABLE		0x1
 #define IXGBE_SFF_QSFP_DA_PASSIVE_CABLE		0x8
 #define IXGBE_SFF_QSFP_CONNECTOR_NOT_SEPARABLE	0x23
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/marvell/sky2.c linux-libre-4.4.187-gnu/drivers/net/ethernet/marvell/sky2.c
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/marvell/sky2.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/marvell/sky2.c	2019-08-04 03:35:02.000000000 -0400
@@ -4939,6 +4939,13 @@ static const struct dmi_system_id msi_bl
 			DMI_MATCH(DMI_PRODUCT_NAME, "P-79"),
 		},
 	},
+	{
+		.ident = "ASUS P6T",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "P6T"),
+		},
+	},
 	{}
 };
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c linux-libre-4.4.187-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c	2019-08-04 03:35:02.000000000 -0400
@@ -187,6 +187,12 @@ static void dwmac1000_set_filter(struct
 					    GMAC_ADDR_LOW(reg));
 			reg++;
 		}
+
+		while (reg <= perfect_addr_number) {
+			writel(0, ioaddr + GMAC_ADDR_HIGH(reg));
+			writel(0, ioaddr + GMAC_ADDR_LOW(reg));
+			reg++;
+		}
 	}
 
 #ifdef FRAME_FILTER_DEBUG
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/ethernet/xilinx/xilinx_axienet_main.c linux-libre-4.4.187-gnu/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
--- linux-libre-4.4.186-gnu/drivers/net/ethernet/xilinx/xilinx_axienet_main.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/ethernet/xilinx/xilinx_axienet_main.c	2019-08-04 03:35:02.000000000 -0400
@@ -613,6 +613,10 @@ static void axienet_start_xmit_done(stru
 
 	ndev->stats.tx_packets += packets;
 	ndev->stats.tx_bytes += size;
+
+	/* Matches barrier in axienet_start_xmit */
+	smp_mb();
+
 	netif_wake_queue(ndev);
 }
 
@@ -667,9 +671,19 @@ static int axienet_start_xmit(struct sk_
 	cur_p = &lp->tx_bd_v[lp->tx_bd_tail];
 
 	if (axienet_check_tx_bd_space(lp, num_frag)) {
-		if (!netif_queue_stopped(ndev))
-			netif_stop_queue(ndev);
-		return NETDEV_TX_BUSY;
+		if (netif_queue_stopped(ndev))
+			return NETDEV_TX_BUSY;
+
+		netif_stop_queue(ndev);
+
+		/* Matches barrier in axienet_start_xmit_done */
+		smp_mb();
+
+		/* Space might have just been freed - check again */
+		if (axienet_check_tx_bd_space(lp, num_frag))
+			return NETDEV_TX_BUSY;
+
+		netif_wake_queue(ndev);
 	}
 
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/phy/phy_device.c linux-libre-4.4.187-gnu/drivers/net/phy/phy_device.c
--- linux-libre-4.4.186-gnu/drivers/net/phy/phy_device.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/phy/phy_device.c	2019-08-04 03:35:02.000000000 -0400
@@ -472,6 +472,9 @@ int phy_connect_direct(struct net_device
 {
 	int rc;
 
+	if (!dev)
+		return -EINVAL;
+
 	rc = phy_attach_direct(dev, phydev, phydev->dev_flags, interface);
 	if (rc)
 		return rc;
@@ -704,6 +707,9 @@ struct phy_device *phy_attach(struct net
 	struct device *d;
 	int rc;
 
+	if (!dev)
+		return ERR_PTR(-EINVAL);
+
 	/* Search the list of PHY devices on the mdio bus for the
 	 * PHY with the requested name
 	 */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath10k/hw.c linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath10k/hw.c
--- linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath10k/hw.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath10k/hw.c	2019-08-04 03:35:02.000000000 -0400
@@ -128,7 +128,7 @@ const struct ath10k_hw_values qca6174_va
 };
 
 const struct ath10k_hw_values qca99x0_values = {
-	.rtc_state_val_on		= 5,
+	.rtc_state_val_on		= 7,
 	.ce_count			= 12,
 	.msi_assign_ce_max		= 12,
 	.num_target_ce_config_wlan	= 10,
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath10k/mac.c linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath10k/mac.c
--- linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath10k/mac.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath10k/mac.c	2019-08-04 03:35:02.000000000 -0400
@@ -1502,6 +1502,10 @@ static int ath10k_mac_setup_prb_tmpl(str
 	if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
 		return 0;
 
+	 /* For mesh, probe response and beacon share the same template */
+	if (ieee80211_vif_is_mesh(vif))
+		return 0;
+
 	prb = ieee80211_proberesp_get(hw, vif);
 	if (!prb) {
 		ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath6kl/wmi.c linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath6kl/wmi.c
--- linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath6kl/wmi.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath6kl/wmi.c	2019-08-04 03:35:02.000000000 -0400
@@ -1178,6 +1178,10 @@ static int ath6kl_wmi_pstream_timeout_ev
 		return -EINVAL;
 
 	ev = (struct wmi_pstream_timeout_event *) datap;
+	if (ev->traffic_class >= WMM_NUM_AC) {
+		ath6kl_err("invalid traffic class: %d\n", ev->traffic_class);
+		return -EINVAL;
+	}
 
 	/*
 	 * When the pstream (fat pipe == AC) timesout, it means there were
@@ -1519,6 +1523,10 @@ static int ath6kl_wmi_cac_event_rx(struc
 		return -EINVAL;
 
 	reply = (struct wmi_cac_event *) datap;
+	if (reply->ac >= WMM_NUM_AC) {
+		ath6kl_err("invalid AC: %d\n", reply->ac);
+		return -EINVAL;
+	}
 
 	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
 	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
@@ -2631,7 +2639,7 @@ int ath6kl_wmi_delete_pstream_cmd(struct
 	u16 active_tsids = 0;
 	int ret;
 
-	if (traffic_class > 3) {
+	if (traffic_class >= WMM_NUM_AC) {
 		ath6kl_err("invalid traffic class: %d\n", traffic_class);
 		return -EINVAL;
 	}
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath9k/hw.c linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath9k/hw.c
--- linux-libre-4.4.186-gnu/drivers/net/wireless/ath/ath9k/hw.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/wireless/ath/ath9k/hw.c	2019-08-04 03:35:02.000000000 -0400
@@ -250,8 +250,9 @@ void ath9k_hw_get_channel_centers(struct
 /* Chip Revisions */
 /******************/
 
-static void ath9k_hw_read_revisions(struct ath_hw *ah)
+static bool ath9k_hw_read_revisions(struct ath_hw *ah)
 {
+	u32 srev;
 	u32 val;
 
 	if (ah->get_mac_revision)
@@ -267,25 +268,33 @@ static void ath9k_hw_read_revisions(stru
 			val = REG_READ(ah, AR_SREV);
 			ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
 		}
-		return;
+		return true;
 	case AR9300_DEVID_AR9340:
 		ah->hw_version.macVersion = AR_SREV_VERSION_9340;
-		return;
+		return true;
 	case AR9300_DEVID_QCA955X:
 		ah->hw_version.macVersion = AR_SREV_VERSION_9550;
-		return;
+		return true;
 	case AR9300_DEVID_AR953X:
 		ah->hw_version.macVersion = AR_SREV_VERSION_9531;
-		return;
+		return true;
 	case AR9300_DEVID_QCA956X:
 		ah->hw_version.macVersion = AR_SREV_VERSION_9561;
-		return;
+		return true;
 	}
 
-	val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
+	srev = REG_READ(ah, AR_SREV);
+
+	if (srev == -EIO) {
+		ath_err(ath9k_hw_common(ah),
+			"Failed to read SREV register");
+		return false;
+	}
+
+	val = srev & AR_SREV_ID;
 
 	if (val == 0xFF) {
-		val = REG_READ(ah, AR_SREV);
+		val = srev;
 		ah->hw_version.macVersion =
 			(val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S;
 		ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
@@ -304,6 +313,8 @@ static void ath9k_hw_read_revisions(stru
 		if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE)
 			ah->is_pciexpress = true;
 	}
+
+	return true;
 }
 
 /************************************/
@@ -556,7 +567,10 @@ static int __ath9k_hw_init(struct ath_hw
 	struct ath_common *common = ath9k_hw_common(ah);
 	int r = 0;
 
-	ath9k_hw_read_revisions(ah);
+	if (!ath9k_hw_read_revisions(ah)) {
+		ath_err(common, "Could not read hardware revisions");
+		return -EOPNOTSUPP;
+	}
 
 	switch (ah->hw_version.macVersion) {
 	case AR_SREV_VERSION_5416_PCI:
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/wireless/ath/dfs_pattern_detector.c linux-libre-4.4.187-gnu/drivers/net/wireless/ath/dfs_pattern_detector.c
--- linux-libre-4.4.186-gnu/drivers/net/wireless/ath/dfs_pattern_detector.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/wireless/ath/dfs_pattern_detector.c	2019-08-04 03:35:02.000000000 -0400
@@ -111,7 +111,7 @@ static const struct radar_detector_specs
 	JP_PATTERN(0, 0, 1, 1428, 1428, 1, 18, 29, false),
 	JP_PATTERN(1, 2, 3, 3846, 3846, 1, 18, 29, false),
 	JP_PATTERN(2, 0, 1, 1388, 1388, 1, 18, 50, false),
-	JP_PATTERN(3, 1, 2, 4000, 4000, 1, 18, 50, false),
+	JP_PATTERN(3, 0, 4, 4000, 4000, 1, 18, 50, false),
 	JP_PATTERN(4, 0, 5, 150, 230, 1, 23, 50, false),
 	JP_PATTERN(5, 6, 10, 200, 500, 1, 16, 50, false),
 	JP_PATTERN(6, 11, 20, 200, 500, 1, 12, 50, false),
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/wireless/mediatek/mt7601u/dma.c linux-libre-4.4.187-gnu/drivers/net/wireless/mediatek/mt7601u/dma.c
--- linux-libre-4.4.186-gnu/drivers/net/wireless/mediatek/mt7601u/dma.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/wireless/mediatek/mt7601u/dma.c	2019-08-04 03:35:02.000000000 -0400
@@ -193,10 +193,23 @@ static void mt7601u_complete_rx(struct u
 	struct mt7601u_rx_queue *q = &dev->rx_q;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dev->rx_lock, flags);
+	/* do no schedule rx tasklet if urb has been unlinked
+	 * or the device has been removed
+	 */
+	switch (urb->status) {
+	case -ECONNRESET:
+	case -ESHUTDOWN:
+	case -ENOENT:
+		return;
+	default:
+		dev_err_ratelimited(dev->dev, "rx urb failed: %d\n",
+				    urb->status);
+		/* fall through */
+	case 0:
+		break;
+	}
 
-	if (mt7601u_urb_has_error(urb))
-		dev_err(dev->dev, "Error: RX urb failed:%d\n", urb->status);
+	spin_lock_irqsave(&dev->rx_lock, flags);
 	if (WARN_ONCE(q->e[q->end].urb != urb, "RX urb mismatch"))
 		goto out;
 
@@ -228,14 +241,25 @@ static void mt7601u_complete_tx(struct u
 	struct sk_buff *skb;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dev->tx_lock, flags);
+	switch (urb->status) {
+	case -ECONNRESET:
+	case -ESHUTDOWN:
+	case -ENOENT:
+		return;
+	default:
+		dev_err_ratelimited(dev->dev, "tx urb failed: %d\n",
+				    urb->status);
+		/* fall through */
+	case 0:
+		break;
+	}
 
-	if (mt7601u_urb_has_error(urb))
-		dev_err(dev->dev, "Error: TX urb failed:%d\n", urb->status);
+	spin_lock_irqsave(&dev->tx_lock, flags);
 	if (WARN_ONCE(q->e[q->start].urb != urb, "TX urb mismatch"))
 		goto out;
 
 	skb = q->e[q->start].skb;
+	q->e[q->start].skb = NULL;
 	trace_mt_tx_dma_done(dev, skb);
 
 	__skb_queue_tail(&dev->tx_skb_done, skb);
@@ -363,19 +387,9 @@ int mt7601u_dma_enqueue_tx(struct mt7601
 static void mt7601u_kill_rx(struct mt7601u_dev *dev)
 {
 	int i;
-	unsigned long flags;
 
-	spin_lock_irqsave(&dev->rx_lock, flags);
-
-	for (i = 0; i < dev->rx_q.entries; i++) {
-		int next = dev->rx_q.end;
-
-		spin_unlock_irqrestore(&dev->rx_lock, flags);
-		usb_poison_urb(dev->rx_q.e[next].urb);
-		spin_lock_irqsave(&dev->rx_lock, flags);
-	}
-
-	spin_unlock_irqrestore(&dev->rx_lock, flags);
+	for (i = 0; i < dev->rx_q.entries; i++)
+		usb_poison_urb(dev->rx_q.e[i].urb);
 }
 
 static int mt7601u_submit_rx_buf(struct mt7601u_dev *dev,
@@ -445,10 +459,10 @@ static void mt7601u_free_tx_queue(struct
 {
 	int i;
 
-	WARN_ON(q->used);
-
 	for (i = 0; i < q->entries; i++)  {
 		usb_poison_urb(q->e[i].urb);
+		if (q->e[i].skb)
+			mt7601u_tx_status(q->dev, q->e[i].skb);
 		usb_free_urb(q->e[i].urb);
 	}
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/net/wireless/mediatek/mt7601u/tx.c linux-libre-4.4.187-gnu/drivers/net/wireless/mediatek/mt7601u/tx.c
--- linux-libre-4.4.186-gnu/drivers/net/wireless/mediatek/mt7601u/tx.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/net/wireless/mediatek/mt7601u/tx.c	2019-08-04 03:35:02.000000000 -0400
@@ -117,9 +117,9 @@ void mt7601u_tx_status(struct mt7601u_de
 	info->status.rates[0].idx = -1;
 	info->flags |= IEEE80211_TX_STAT_ACK;
 
-	spin_lock(&dev->mac_lock);
+	spin_lock_bh(&dev->mac_lock);
 	ieee80211_tx_status(dev->hw, skb);
-	spin_unlock(&dev->mac_lock);
+	spin_unlock_bh(&dev->mac_lock);
 }
 
 static int mt7601u_skb_rooms(struct mt7601u_dev *dev, struct sk_buff *skb)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/pci/pci.c linux-libre-4.4.187-gnu/drivers/pci/pci.c
--- linux-libre-4.4.186-gnu/drivers/pci/pci.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/pci/pci.c	2019-08-04 03:35:02.000000000 -0400
@@ -1736,6 +1736,13 @@ static void pci_pme_list_scan(struct wor
 			 */
 			if (bridge && bridge->current_state != PCI_D0)
 				continue;
+			/*
+			 * If the device is in D3cold it should not be
+			 * polled either.
+			 */
+			if (pme_dev->dev->current_state == PCI_D3cold)
+				continue;
+
 			pci_pme_wakeup(pme_dev->dev, NULL);
 		} else {
 			list_del(&pme_dev->list);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/pci/pci-sysfs.c linux-libre-4.4.187-gnu/drivers/pci/pci-sysfs.c
--- linux-libre-4.4.186-gnu/drivers/pci/pci-sysfs.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/pci/pci-sysfs.c	2019-08-04 03:35:02.000000000 -0400
@@ -371,7 +371,7 @@ static ssize_t remove_store(struct devic
 		pci_stop_and_remove_bus_device_locked(to_pci_dev(dev));
 	return count;
 }
-static struct device_attribute dev_remove_attr = __ATTR(remove,
+static struct device_attribute dev_remove_attr = __ATTR_IGNORE_LOCKDEP(remove,
 							(S_IWUSR|S_IWGRP),
 							NULL, remove_store);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/phy/phy-rcar-gen2.c linux-libre-4.4.187-gnu/drivers/phy/phy-rcar-gen2.c
--- linux-libre-4.4.186-gnu/drivers/phy/phy-rcar-gen2.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/phy/phy-rcar-gen2.c	2019-08-04 03:35:02.000000000 -0400
@@ -287,6 +287,7 @@ static int rcar_gen2_phy_probe(struct pl
 		error = of_property_read_u32(np, "reg", &channel_num);
 		if (error || channel_num > 2) {
 			dev_err(dev, "Invalid \"reg\" property\n");
+			of_node_put(np);
 			return error;
 		}
 		channel->select_mask = select_mask[channel_num];
@@ -302,6 +303,7 @@ static int rcar_gen2_phy_probe(struct pl
 						   &rcar_gen2_phy_ops);
 			if (IS_ERR(phy->phy)) {
 				dev_err(dev, "Failed to create PHY\n");
+				of_node_put(np);
 				return PTR_ERR(phy->phy);
 			}
 			phy_set_drvdata(phy->phy, phy);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/pinctrl/pinctrl-rockchip.c linux-libre-4.4.187-gnu/drivers/pinctrl/pinctrl-rockchip.c
--- linux-libre-4.4.186-gnu/drivers/pinctrl/pinctrl-rockchip.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/pinctrl/pinctrl-rockchip.c	2019-08-04 03:35:02.000000000 -0400
@@ -1837,6 +1837,7 @@ static int rockchip_get_bank_data(struct
 						    base,
 						    &rockchip_regmap_config);
 		}
+		of_node_put(node);
 	}
 
 	bank->irq = irq_of_parse_and_map(bank->of_node, 0);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/pps/pps.c linux-libre-4.4.187-gnu/drivers/pps/pps.c
--- linux-libre-4.4.186-gnu/drivers/pps/pps.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/pps/pps.c	2019-08-04 03:35:02.000000000 -0400
@@ -129,6 +129,14 @@ static long pps_cdev_ioctl(struct file *
 			pps->params.mode |= PPS_CANWAIT;
 		pps->params.api_version = PPS_API_VERS;
 
+		/*
+		 * Clear unused fields of pps_kparams to avoid leaking
+		 * uninitialized data of the PPS_SETPARAMS caller via
+		 * PPS_GETPARAMS
+		 */
+		pps->params.assert_off_tu.flags = 0;
+		pps->params.clear_off_tu.flags = 0;
+
 		spin_unlock_irq(&pps->lock);
 
 		break;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/regulator/s2mps11.c linux-libre-4.4.187-gnu/drivers/regulator/s2mps11.c
--- linux-libre-4.4.186-gnu/drivers/regulator/s2mps11.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/regulator/s2mps11.c	2019-08-04 03:35:02.000000000 -0400
@@ -382,8 +382,8 @@ static const struct regulator_desc s2mps
 	regulator_desc_s2mps11_buck1_4(4),
 	regulator_desc_s2mps11_buck5,
 	regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV),
-	regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_12_5_MV),
-	regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_12_5_MV),
+	regulator_desc_s2mps11_buck67810(7, MIN_750_MV, STEP_12_5_MV),
+	regulator_desc_s2mps11_buck67810(8, MIN_750_MV, STEP_12_5_MV),
 	regulator_desc_s2mps11_buck9,
 	regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV),
 };
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/s390/cio/qdio_main.c linux-libre-4.4.187-gnu/drivers/s390/cio/qdio_main.c
--- linux-libre-4.4.186-gnu/drivers/s390/cio/qdio_main.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/s390/cio/qdio_main.c	2019-08-04 03:35:02.000000000 -0400
@@ -752,6 +752,7 @@ static int get_outbound_buffer_frontier(
 
 	switch (state) {
 	case SLSB_P_OUTPUT_EMPTY:
+	case SLSB_P_OUTPUT_PENDING:
 		/* the adapter got it */
 		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr,
 			"out empty:%1d %02x", q->nr, count);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/staging/media/davinci_vpfe/vpfe_video.c linux-libre-4.4.187-gnu/drivers/staging/media/davinci_vpfe/vpfe_video.c
--- linux-libre-4.4.186-gnu/drivers/staging/media/davinci_vpfe/vpfe_video.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/staging/media/davinci_vpfe/vpfe_video.c	2019-08-04 03:35:02.000000000 -0400
@@ -406,6 +406,9 @@ static int vpfe_open(struct file *file)
 	/* If decoder is not initialized. initialize it */
 	if (!video->initialized && vpfe_update_pipe_state(video)) {
 		mutex_unlock(&video->lock);
+		v4l2_fh_del(&handle->vfh);
+		v4l2_fh_exit(&handle->vfh);
+		kfree(handle);
 		return -ENODEV;
 	}
 	/* Increment device users counter */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/tty/serial/cpm_uart/cpm_uart_core.c linux-libre-4.4.187-gnu/drivers/tty/serial/cpm_uart/cpm_uart_core.c
--- linux-libre-4.4.186-gnu/drivers/tty/serial/cpm_uart/cpm_uart_core.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/tty/serial/cpm_uart/cpm_uart_core.c	2019-08-04 03:35:02.000000000 -0400
@@ -421,7 +421,16 @@ static int cpm_uart_startup(struct uart_
 			clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
 		}
 		cpm_uart_initbd(pinfo);
-		cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
+		if (IS_SMC(pinfo)) {
+			out_be32(&pinfo->smcup->smc_rstate, 0);
+			out_be32(&pinfo->smcup->smc_tstate, 0);
+			out_be16(&pinfo->smcup->smc_rbptr,
+				 in_be16(&pinfo->smcup->smc_rbase));
+			out_be16(&pinfo->smcup->smc_tbptr,
+				 in_be16(&pinfo->smcup->smc_tbase));
+		} else {
+			cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
+		}
 	}
 	/* Install interrupt handler. */
 	retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port);
@@ -875,16 +884,14 @@ static void cpm_uart_init_smc(struct uar
 	         (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);
 
 /*
- *  In case SMC1 is being relocated...
+ *  In case SMC is being relocated...
  */
-#if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
 	out_be16(&up->smc_rbptr, in_be16(&pinfo->smcup->smc_rbase));
 	out_be16(&up->smc_tbptr, in_be16(&pinfo->smcup->smc_tbase));
 	out_be32(&up->smc_rstate, 0);
 	out_be32(&up->smc_tstate, 0);
 	out_be16(&up->smc_brkcr, 1);              /* number of break chars */
 	out_be16(&up->smc_brkec, 0);
-#endif
 
 	/* Set up the uart parameters in the
 	 * parameter ram.
@@ -898,8 +905,6 @@ static void cpm_uart_init_smc(struct uar
 	out_be16(&up->smc_brkec, 0);
 	out_be16(&up->smc_brkcr, 1);
 
-	cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
-
 	/* Set UART mode, 8 bit, no parity, one stop.
 	 * Enable receive and transmit.
 	 */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/tty/serial/digicolor-usart.c linux-libre-4.4.187-gnu/drivers/tty/serial/digicolor-usart.c
--- linux-libre-4.4.186-gnu/drivers/tty/serial/digicolor-usart.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/tty/serial/digicolor-usart.c	2019-08-04 03:35:02.000000000 -0400
@@ -544,7 +544,11 @@ static int __init digicolor_uart_init(vo
 	if (ret)
 		return ret;
 
-	return platform_driver_register(&digicolor_uart_platform);
+	ret = platform_driver_register(&digicolor_uart_platform);
+	if (ret)
+		uart_unregister_driver(&digicolor_uart);
+
+	return ret;
 }
 module_init(digicolor_uart_init);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/tty/serial/max310x.c linux-libre-4.4.187-gnu/drivers/tty/serial/max310x.c
--- linux-libre-4.4.186-gnu/drivers/tty/serial/max310x.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/tty/serial/max310x.c	2019-08-04 03:35:02.000000000 -0400
@@ -486,37 +486,48 @@ static bool max310x_reg_precious(struct
 
 static int max310x_set_baud(struct uart_port *port, int baud)
 {
-	unsigned int mode = 0, clk = port->uartclk, div = clk / baud;
-
-	/* Check for minimal value for divider */
-	if (div < 16)
-		div = 16;
+	unsigned int mode = 0, div = 0, frac = 0, c = 0, F = 0;
 
-	if (clk % baud && (div / 16) < 0x8000) {
+	/*
+	 * Calculate the integer divisor first. Select a proper mode
+	 * in case if the requested baud is too high for the pre-defined
+	 * clocks frequency.
+	 */
+	div = port->uartclk / baud;
+	if (div < 8) {
+		/* Mode x4 */
+		c = 4;
+		mode = MAX310X_BRGCFG_4XMODE_BIT;
+	} else if (div < 16) {
 		/* Mode x2 */
+		c = 8;
 		mode = MAX310X_BRGCFG_2XMODE_BIT;
-		clk = port->uartclk * 2;
-		div = clk / baud;
-
-		if (clk % baud && (div / 16) < 0x8000) {
-			/* Mode x4 */
-			mode = MAX310X_BRGCFG_4XMODE_BIT;
-			clk = port->uartclk * 4;
-			div = clk / baud;
-		}
+	} else {
+		c = 16;
 	}
 
-	max310x_port_write(port, MAX310X_BRGDIVMSB_REG, (div / 16) >> 8);
-	max310x_port_write(port, MAX310X_BRGDIVLSB_REG, div / 16);
-	max310x_port_write(port, MAX310X_BRGCFG_REG, (div % 16) | mode);
+	/* Calculate the divisor in accordance with the fraction coefficient */
+	div /= c;
+	F = c*baud;
 
-	return DIV_ROUND_CLOSEST(clk, div);
+	/* Calculate the baud rate fraction */
+	if (div > 0)
+		frac = (16*(port->uartclk % F)) / F;
+	else
+		div = 1;
+
+	max310x_port_write(port, MAX310X_BRGDIVMSB_REG, div >> 8);
+	max310x_port_write(port, MAX310X_BRGDIVLSB_REG, div);
+	max310x_port_write(port, MAX310X_BRGCFG_REG, frac | mode);
+
+	/* Return the actual baud rate we just programmed */
+	return (16*port->uartclk) / (c*(16*div + frac));
 }
 
 static int max310x_update_best_err(unsigned long f, long *besterr)
 {
 	/* Use baudrate 115200 for calculate error */
-	long err = f % (115200 * 16);
+	long err = f % (460800 * 16);
 
 	if ((*besterr < 0) || (*besterr > err)) {
 		*besterr = err;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/tty/serial/msm_serial.c linux-libre-4.4.187-gnu/drivers/tty/serial/msm_serial.c
--- linux-libre-4.4.186-gnu/drivers/tty/serial/msm_serial.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/tty/serial/msm_serial.c	2019-08-04 03:35:02.000000000 -0400
@@ -222,10 +222,14 @@ no_rx:
 
 static inline void msm_wait_for_xmitr(struct uart_port *port)
 {
+	unsigned int timeout = 500000;
+
 	while (!(msm_read(port, UART_SR) & UART_SR_TX_EMPTY)) {
 		if (msm_read(port, UART_ISR) & UART_ISR_TX_READY)
 			break;
 		udelay(1);
+		if (!timeout--)
+			break;
 	}
 	msm_write(port, UART_CR_CMD_RESET_TX_READY, UART_CR);
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/tty/serial/sh-sci.c linux-libre-4.4.187-gnu/drivers/tty/serial/sh-sci.c
--- linux-libre-4.4.186-gnu/drivers/tty/serial/sh-sci.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/tty/serial/sh-sci.c	2019-08-04 03:35:02.000000000 -0400
@@ -1203,6 +1203,7 @@ static void work_fn_tx(struct work_struc
 	struct uart_port *port = &s->port;
 	struct circ_buf *xmit = &port->state->xmit;
 	dma_addr_t buf;
+	int head, tail;
 
 	/*
 	 * DMA is idle now.
@@ -1212,16 +1213,23 @@ static void work_fn_tx(struct work_struc
 	 * consistent xmit buffer state.
 	 */
 	spin_lock_irq(&port->lock);
-	buf = s->tx_dma_addr + (xmit->tail & (UART_XMIT_SIZE - 1));
+	head = xmit->head;
+	tail = xmit->tail;
+	buf = s->tx_dma_addr + (tail & (UART_XMIT_SIZE - 1));
 	s->tx_dma_len = min_t(unsigned int,
-		CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE),
-		CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE));
-	spin_unlock_irq(&port->lock);
+		CIRC_CNT(head, tail, UART_XMIT_SIZE),
+		CIRC_CNT_TO_END(head, tail, UART_XMIT_SIZE));
+	if (!s->tx_dma_len) {
+		/* Transmit buffer has been flushed */
+		spin_unlock_irq(&port->lock);
+		return;
+	}
 
 	desc = dmaengine_prep_slave_single(chan, buf, s->tx_dma_len,
 					   DMA_MEM_TO_DEV,
 					   DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 	if (!desc) {
+		spin_unlock_irq(&port->lock);
 		dev_warn(port->dev, "Failed preparing Tx DMA descriptor\n");
 		/* switch to PIO */
 		sci_tx_dma_release(s, true);
@@ -1231,20 +1239,20 @@ static void work_fn_tx(struct work_struc
 	dma_sync_single_for_device(chan->device->dev, buf, s->tx_dma_len,
 				   DMA_TO_DEVICE);
 
-	spin_lock_irq(&port->lock);
 	desc->callback = sci_dma_tx_complete;
 	desc->callback_param = s;
-	spin_unlock_irq(&port->lock);
 	s->cookie_tx = dmaengine_submit(desc);
 	if (dma_submit_error(s->cookie_tx)) {
+		spin_unlock_irq(&port->lock);
 		dev_warn(port->dev, "Failed submitting Tx DMA descriptor\n");
 		/* switch to PIO */
 		sci_tx_dma_release(s, true);
 		return;
 	}
 
+	spin_unlock_irq(&port->lock);
 	dev_dbg(port->dev, "%s: %p: %d...%d, cookie %d\n",
-		__func__, xmit->buf, xmit->tail, xmit->head, s->cookie_tx);
+		__func__, xmit->buf, tail, head, s->cookie_tx);
 
 	dma_async_issue_pending(chan);
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/usb/core/hub.c linux-libre-4.4.187-gnu/drivers/usb/core/hub.c
--- linux-libre-4.4.186-gnu/drivers/usb/core/hub.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/usb/core/hub.c	2019-08-04 03:35:02.000000000 -0400
@@ -3479,6 +3479,7 @@ static int hub_handle_remote_wakeup(stru
 	struct usb_device *hdev;
 	struct usb_device *udev;
 	int connect_change = 0;
+	u16 link_state;
 	int ret;
 
 	hdev = hub->hdev;
@@ -3488,9 +3489,11 @@ static int hub_handle_remote_wakeup(stru
 			return 0;
 		usb_clear_port_feature(hdev, port, USB_PORT_FEAT_C_SUSPEND);
 	} else {
+		link_state = portstatus & USB_PORT_STAT_LINK_STATE;
 		if (!udev || udev->state != USB_STATE_SUSPENDED ||
-				 (portstatus & USB_PORT_STAT_LINK_STATE) !=
-				 USB_SS_PORT_LS_U0)
+				(link_state != USB_SS_PORT_LS_U0 &&
+				 link_state != USB_SS_PORT_LS_U1 &&
+				 link_state != USB_SS_PORT_LS_U2))
 			return 0;
 	}
 
@@ -3820,6 +3823,9 @@ static int usb_set_lpm_timeout(struct us
  * control transfers to set the hub timeout or enable device-initiated U1/U2
  * will be successful.
  *
+ * If the control transfer to enable device-initiated U1/U2 entry fails, then
+ * hub-initiated U1/U2 will be disabled.
+ *
  * If we cannot set the parent hub U1/U2 timeout, we attempt to let the xHCI
  * driver know about it.  If that call fails, it should be harmless, and just
  * take up more slightly more bus bandwidth for unnecessary U1/U2 exit latency.
@@ -3874,23 +3880,24 @@ static void usb_enable_link_state(struct
 		 * host know that this link state won't be enabled.
 		 */
 		hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state);
-	} else {
-		/* Only a configured device will accept the Set Feature
-		 * U1/U2_ENABLE
-		 */
-		if (udev->actconfig)
-			usb_set_device_initiated_lpm(udev, state, true);
+		return;
+	}
 
-		/* As soon as usb_set_lpm_timeout(timeout) returns 0, the
-		 * hub-initiated LPM is enabled. Thus, LPM is enabled no
-		 * matter the result of usb_set_device_initiated_lpm().
-		 * The only difference is whether device is able to initiate
-		 * LPM.
-		 */
+	/* Only a configured device will accept the Set Feature
+	 * U1/U2_ENABLE
+	 */
+	if (udev->actconfig &&
+	    usb_set_device_initiated_lpm(udev, state, true) == 0) {
 		if (state == USB3_LPM_U1)
 			udev->usb3_lpm_u1_enabled = 1;
 		else if (state == USB3_LPM_U2)
 			udev->usb3_lpm_u2_enabled = 1;
+	} else {
+		/* Don't request U1/U2 entry if the device
+		 * cannot transition to U1/U2.
+		 */
+		usb_set_lpm_timeout(udev, state, 0);
+		hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state);
 	}
 }
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/usb/gadget/function/f_fs.c linux-libre-4.4.187-gnu/drivers/usb/gadget/function/f_fs.c
--- linux-libre-4.4.186-gnu/drivers/usb/gadget/function/f_fs.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/usb/gadget/function/f_fs.c	2019-08-04 03:35:02.000000000 -0400
@@ -912,11 +912,12 @@ static ssize_t ffs_epfile_write_iter(str
 	ENTER();
 
 	if (!is_sync_kiocb(kiocb)) {
-		p = kmalloc(sizeof(io_data), GFP_KERNEL);
+		p = kzalloc(sizeof(io_data), GFP_KERNEL);
 		if (unlikely(!p))
 			return -ENOMEM;
 		p->aio = true;
 	} else {
+		memset(p, 0, sizeof(*p));
 		p->aio = false;
 	}
 
@@ -948,11 +949,12 @@ static ssize_t ffs_epfile_read_iter(stru
 	ENTER();
 
 	if (!is_sync_kiocb(kiocb)) {
-		p = kmalloc(sizeof(io_data), GFP_KERNEL);
+		p = kzalloc(sizeof(io_data), GFP_KERNEL);
 		if (unlikely(!p))
 			return -ENOMEM;
 		p->aio = true;
 	} else {
+		memset(p, 0, sizeof(*p));
 		p->aio = false;
 	}
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/usb/host/hwa-hc.c linux-libre-4.4.187-gnu/drivers/usb/host/hwa-hc.c
--- linux-libre-4.4.186-gnu/drivers/usb/host/hwa-hc.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/usb/host/hwa-hc.c	2019-08-04 03:35:02.000000000 -0400
@@ -173,7 +173,7 @@ out:
 	return result;
 
 error_set_cluster_id:
-	wusb_cluster_id_put(wusbhc->cluster_id);
+	wusb_cluster_id_put(addr);
 error_cluster_id_get:
 	goto out;
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/usb/host/pci-quirks.c linux-libre-4.4.187-gnu/drivers/usb/host/pci-quirks.c
--- linux-libre-4.4.186-gnu/drivers/usb/host/pci-quirks.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/usb/host/pci-quirks.c	2019-08-04 03:35:02.000000000 -0400
@@ -178,7 +178,7 @@ int usb_amd_find_chipset_info(void)
 {
 	unsigned long flags;
 	struct amd_chipset_info info;
-	int ret;
+	int need_pll_quirk = 0;
 
 	spin_lock_irqsave(&amd_lock, flags);
 
@@ -192,21 +192,28 @@ int usb_amd_find_chipset_info(void)
 	spin_unlock_irqrestore(&amd_lock, flags);
 
 	if (!amd_chipset_sb_type_init(&info)) {
-		ret = 0;
 		goto commit;
 	}
 
-	/* Below chipset generations needn't enable AMD PLL quirk */
-	if (info.sb_type.gen == AMD_CHIPSET_UNKNOWN ||
-			info.sb_type.gen == AMD_CHIPSET_SB600 ||
-			info.sb_type.gen == AMD_CHIPSET_YANGTZE ||
-			(info.sb_type.gen == AMD_CHIPSET_SB700 &&
-			info.sb_type.rev > 0x3b)) {
+	switch (info.sb_type.gen) {
+	case AMD_CHIPSET_SB700:
+		need_pll_quirk = info.sb_type.rev <= 0x3B;
+		break;
+	case AMD_CHIPSET_SB800:
+	case AMD_CHIPSET_HUDSON2:
+	case AMD_CHIPSET_BOLTON:
+		need_pll_quirk = 1;
+		break;
+	default:
+		need_pll_quirk = 0;
+		break;
+	}
+
+	if (!need_pll_quirk) {
 		if (info.smbus_dev) {
 			pci_dev_put(info.smbus_dev);
 			info.smbus_dev = NULL;
 		}
-		ret = 0;
 		goto commit;
 	}
 
@@ -225,7 +232,7 @@ int usb_amd_find_chipset_info(void)
 		}
 	}
 
-	ret = info.probe_result = 1;
+	need_pll_quirk = info.probe_result = 1;
 	printk(KERN_DEBUG "QUIRK: Enable AMD PLL fix\n");
 
 commit:
@@ -236,7 +243,7 @@ commit:
 
 		/* Mark that we where here */
 		amd_chipset.probe_count++;
-		ret = amd_chipset.probe_result;
+		need_pll_quirk = amd_chipset.probe_result;
 
 		spin_unlock_irqrestore(&amd_lock, flags);
 
@@ -250,7 +257,7 @@ commit:
 		spin_unlock_irqrestore(&amd_lock, flags);
 	}
 
-	return ret;
+	return need_pll_quirk;
 }
 EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/drivers/vhost/net.c linux-libre-4.4.187-gnu/drivers/vhost/net.c
--- linux-libre-4.4.186-gnu/drivers/vhost/net.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/drivers/vhost/net.c	2019-08-04 03:35:02.000000000 -0400
@@ -30,7 +30,7 @@
 
 #include "vhost.h"
 
-static int experimental_zcopytx = 1;
+static int experimental_zcopytx = 0;
 module_param(experimental_zcopytx, int, 0444);
 MODULE_PARM_DESC(experimental_zcopytx, "Enable Zero Copy TX;"
 		                       " 1 -Enable; 0 - Disable");
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/9p/vfs_addr.c linux-libre-4.4.187-gnu/fs/9p/vfs_addr.c
--- linux-libre-4.4.186-gnu/fs/9p/vfs_addr.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/9p/vfs_addr.c	2019-08-04 03:35:02.000000000 -0400
@@ -49,8 +49,9 @@
  * @page: structure to page
  *
  */
-static int v9fs_fid_readpage(struct p9_fid *fid, struct page *page)
+static int v9fs_fid_readpage(void *data, struct page *page)
 {
+	struct p9_fid *fid = data;
 	struct inode *inode = page->mapping->host;
 	struct bio_vec bvec = {.bv_page = page, .bv_len = PAGE_SIZE};
 	struct iov_iter to;
@@ -121,7 +122,8 @@ static int v9fs_vfs_readpages(struct fil
 	if (ret == 0)
 		return ret;
 
-	ret = read_cache_pages(mapping, pages, (void *)v9fs_vfs_readpage, filp);
+	ret = read_cache_pages(mapping, pages, v9fs_fid_readpage,
+			filp->private_data);
 	p9_debug(P9_DEBUG_VFS, "  = %d\n", ret);
 	return ret;
 }
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/ceph/caps.c linux-libre-4.4.187-gnu/fs/ceph/caps.c
--- linux-libre-4.4.186-gnu/fs/ceph/caps.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/ceph/caps.c	2019-08-04 03:35:02.000000000 -0400
@@ -1072,20 +1072,23 @@ static int send_cap_msg(struct ceph_mds_
 }
 
 /*
- * Queue cap releases when an inode is dropped from our cache.  Since
- * inode is about to be destroyed, there is no need for i_ceph_lock.
+ * Queue cap releases when an inode is dropped from our cache.
  */
 void ceph_queue_caps_release(struct inode *inode)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct rb_node *p;
 
+	/* lock i_ceph_lock, because ceph_d_revalidate(..., LOOKUP_RCU)
+	 * may call __ceph_caps_issued_mask() on a freeing inode. */
+	spin_lock(&ci->i_ceph_lock);
 	p = rb_first(&ci->i_caps);
 	while (p) {
 		struct ceph_cap *cap = rb_entry(p, struct ceph_cap, ci_node);
 		p = rb_next(p);
 		__ceph_remove_cap(cap, true);
 	}
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/coda/file.c linux-libre-4.4.187-gnu/fs/coda/file.c
--- linux-libre-4.4.186-gnu/fs/coda/file.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/coda/file.c	2019-08-04 03:35:02.000000000 -0400
@@ -81,6 +81,41 @@ coda_file_write_iter(struct kiocb *iocb,
 	return ret;
 }
 
+struct coda_vm_ops {
+	atomic_t refcnt;
+	struct file *coda_file;
+	const struct vm_operations_struct *host_vm_ops;
+	struct vm_operations_struct vm_ops;
+};
+
+static void
+coda_vm_open(struct vm_area_struct *vma)
+{
+	struct coda_vm_ops *cvm_ops =
+		container_of(vma->vm_ops, struct coda_vm_ops, vm_ops);
+
+	atomic_inc(&cvm_ops->refcnt);
+
+	if (cvm_ops->host_vm_ops && cvm_ops->host_vm_ops->open)
+		cvm_ops->host_vm_ops->open(vma);
+}
+
+static void
+coda_vm_close(struct vm_area_struct *vma)
+{
+	struct coda_vm_ops *cvm_ops =
+		container_of(vma->vm_ops, struct coda_vm_ops, vm_ops);
+
+	if (cvm_ops->host_vm_ops && cvm_ops->host_vm_ops->close)
+		cvm_ops->host_vm_ops->close(vma);
+
+	if (atomic_dec_and_test(&cvm_ops->refcnt)) {
+		vma->vm_ops = cvm_ops->host_vm_ops;
+		fput(cvm_ops->coda_file);
+		kfree(cvm_ops);
+	}
+}
+
 static int
 coda_file_mmap(struct file *coda_file, struct vm_area_struct *vma)
 {
@@ -88,6 +123,8 @@ coda_file_mmap(struct file *coda_file, s
 	struct coda_inode_info *cii;
 	struct file *host_file;
 	struct inode *coda_inode, *host_inode;
+	struct coda_vm_ops *cvm_ops;
+	int ret;
 
 	cfi = CODA_FTOC(coda_file);
 	BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
@@ -96,6 +133,13 @@ coda_file_mmap(struct file *coda_file, s
 	if (!host_file->f_op->mmap)
 		return -ENODEV;
 
+	if (WARN_ON(coda_file != vma->vm_file))
+		return -EIO;
+
+	cvm_ops = kmalloc(sizeof(struct coda_vm_ops), GFP_KERNEL);
+	if (!cvm_ops)
+		return -ENOMEM;
+
 	coda_inode = file_inode(coda_file);
 	host_inode = file_inode(host_file);
 
@@ -109,6 +153,7 @@ coda_file_mmap(struct file *coda_file, s
 	 * the container file on us! */
 	else if (coda_inode->i_mapping != host_inode->i_mapping) {
 		spin_unlock(&cii->c_lock);
+		kfree(cvm_ops);
 		return -EBUSY;
 	}
 
@@ -117,7 +162,29 @@ coda_file_mmap(struct file *coda_file, s
 	cfi->cfi_mapcount++;
 	spin_unlock(&cii->c_lock);
 
-	return host_file->f_op->mmap(host_file, vma);
+	vma->vm_file = get_file(host_file);
+	ret = host_file->f_op->mmap(host_file, vma);
+
+	if (ret) {
+		/* if call_mmap fails, our caller will put coda_file so we
+		 * should drop the reference to the host_file that we got.
+		 */
+		fput(host_file);
+		kfree(cvm_ops);
+	} else {
+		/* here we add redirects for the open/close vm_operations */
+		cvm_ops->host_vm_ops = vma->vm_ops;
+		if (vma->vm_ops)
+			cvm_ops->vm_ops = *vma->vm_ops;
+
+		cvm_ops->vm_ops.open = coda_vm_open;
+		cvm_ops->vm_ops.close = coda_vm_close;
+		cvm_ops->coda_file = coda_file;
+		atomic_set(&cvm_ops->refcnt, 1);
+
+		vma->vm_ops = &cvm_ops->vm_ops;
+	}
+	return ret;
 }
 
 int coda_open(struct inode *coda_inode, struct file *coda_file)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/ecryptfs/crypto.c linux-libre-4.4.187-gnu/fs/ecryptfs/crypto.c
--- linux-libre-4.4.186-gnu/fs/ecryptfs/crypto.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/ecryptfs/crypto.c	2019-08-04 03:35:02.000000000 -0400
@@ -1041,8 +1041,10 @@ int ecryptfs_read_and_validate_header_re
 
 	rc = ecryptfs_read_lower(file_size, 0, ECRYPTFS_SIZE_AND_MARKER_BYTES,
 				 inode);
-	if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)
-		return rc >= 0 ? -EINVAL : rc;
+	if (rc < 0)
+		return rc;
+	else if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)
+		return -EINVAL;
 	rc = ecryptfs_validate_marker(marker);
 	if (!rc)
 		ecryptfs_i_size_init(file_size, inode);
@@ -1400,8 +1402,10 @@ int ecryptfs_read_and_validate_xattr_reg
 	rc = ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry),
 				     ECRYPTFS_XATTR_NAME, file_size,
 				     ECRYPTFS_SIZE_AND_MARKER_BYTES);
-	if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)
-		return rc >= 0 ? -EINVAL : rc;
+	if (rc < 0)
+		return rc;
+	else if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)
+		return -EINVAL;
 	rc = ecryptfs_validate_marker(marker);
 	if (!rc)
 		ecryptfs_i_size_init(file_size, inode);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/exec.c linux-libre-4.4.187-gnu/fs/exec.c
--- linux-libre-4.4.186-gnu/fs/exec.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/exec.c	2019-08-04 03:35:02.000000000 -0400
@@ -1642,7 +1642,7 @@ static int do_execveat_common(int fd, st
 	current->fs->in_exec = 0;
 	current->in_execve = 0;
 	acct_update_integrals(current);
-	task_numa_free(current);
+	task_numa_free(current, false);
 	free_bprm(bprm);
 	kfree(pathbuf);
 	putname(filename);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/f2fs/segment.c linux-libre-4.4.187-gnu/fs/f2fs/segment.c
--- linux-libre-4.4.186-gnu/fs/f2fs/segment.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/f2fs/segment.c	2019-08-04 03:35:02.000000000 -0400
@@ -1510,6 +1510,11 @@ static int read_compacted_summaries(stru
 		seg_i = CURSEG_I(sbi, i);
 		segno = le32_to_cpu(ckpt->cur_data_segno[i]);
 		blk_off = le16_to_cpu(ckpt->cur_data_blkoff[i]);
+		if (blk_off > ENTRIES_IN_SUM) {
+			f2fs_bug_on(sbi, 1);
+			f2fs_put_page(page, 1);
+			return -EFAULT;
+		}
 		seg_i->next_segno = segno;
 		reset_curseg(sbi, i, 0);
 		seg_i->alloc_type = ckpt->alloc_type[i];
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/nfs/inode.c linux-libre-4.4.187-gnu/fs/nfs/inode.c
--- linux-libre-4.4.186-gnu/fs/nfs/inode.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/nfs/inode.c	2019-08-04 03:35:02.000000000 -0400
@@ -935,6 +935,7 @@ int nfs_open(struct inode *inode, struct
 	nfs_fscache_open_file(inode, filp);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(nfs_open);
 
 /*
  * This function is called whenever some part of NFS notices that
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/nfs/nfs4file.c linux-libre-4.4.187-gnu/fs/nfs/nfs4file.c
--- linux-libre-4.4.186-gnu/fs/nfs/nfs4file.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/nfs/nfs4file.c	2019-08-04 03:35:02.000000000 -0400
@@ -49,7 +49,7 @@ nfs4_file_open(struct inode *inode, stru
 		return err;
 
 	if ((openflags & O_ACCMODE) == 3)
-		openflags--;
+		return nfs_open(inode, filp);
 
 	/* We can't create new files here */
 	openflags &= ~(O_CREAT|O_EXCL);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/nfs/nfs4proc.c linux-libre-4.4.187-gnu/fs/nfs/nfs4proc.c
--- linux-libre-4.4.186-gnu/fs/nfs/nfs4proc.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/nfs/nfs4proc.c	2019-08-04 03:35:02.000000000 -0400
@@ -997,6 +997,12 @@ struct nfs4_opendata {
 	int cancelled;
 };
 
+struct nfs4_open_createattrs {
+	struct nfs4_label *label;
+	struct iattr *sattr;
+	const __u32 verf[2];
+};
+
 static bool nfs4_clear_cap_atomic_open_v1(struct nfs_server *server,
 		int err, struct nfs4_exception *exception)
 {
@@ -1066,8 +1072,7 @@ static void nfs4_init_opendata_res(struc
 
 static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry,
 		struct nfs4_state_owner *sp, fmode_t fmode, int flags,
-		const struct iattr *attrs,
-		struct nfs4_label *label,
+		const struct nfs4_open_createattrs *c,
 		enum open_claim_type4 claim,
 		gfp_t gfp_mask)
 {
@@ -1075,6 +1080,7 @@ static struct nfs4_opendata *nfs4_openda
 	struct inode *dir = d_inode(parent);
 	struct nfs_server *server = NFS_SERVER(dir);
 	struct nfs_seqid *(*alloc_seqid)(struct nfs_seqid_counter *, gfp_t);
+	struct nfs4_label *label = (c != NULL) ? c->label : NULL;
 	struct nfs4_opendata *p;
 
 	p = kzalloc(sizeof(*p), gfp_mask);
@@ -1131,15 +1137,11 @@ static struct nfs4_opendata *nfs4_openda
 	case NFS4_OPEN_CLAIM_DELEG_PREV_FH:
 		p->o_arg.fh = NFS_FH(d_inode(dentry));
 	}
-	if (attrs != NULL && attrs->ia_valid != 0) {
-		__u32 verf[2];
-
+	if (c != NULL && c->sattr != NULL && c->sattr->ia_valid != 0) {
 		p->o_arg.u.attrs = &p->attrs;
-		memcpy(&p->attrs, attrs, sizeof(p->attrs));
+		memcpy(&p->attrs, c->sattr, sizeof(p->attrs));
 
-		verf[0] = jiffies;
-		verf[1] = current->pid;
-		memcpy(p->o_arg.u.verifier.data, verf,
+		memcpy(p->o_arg.u.verifier.data, c->verf,
 				sizeof(p->o_arg.u.verifier.data));
 	}
 	p->c_arg.fh = &p->o_res.fh;
@@ -1653,7 +1655,7 @@ static struct nfs4_opendata *nfs4_open_r
 	struct nfs4_opendata *opendata;
 
 	opendata = nfs4_opendata_alloc(ctx->dentry, state->owner, 0, 0,
-			NULL, NULL, claim, GFP_NOFS);
+			NULL, claim, GFP_NOFS);
 	if (opendata == NULL)
 		return ERR_PTR(-ENOMEM);
 	opendata->state = state;
@@ -2488,8 +2490,7 @@ out:
 static int _nfs4_do_open(struct inode *dir,
 			struct nfs_open_context *ctx,
 			int flags,
-			struct iattr *sattr,
-			struct nfs4_label *label,
+			const struct nfs4_open_createattrs *c,
 			int *opened)
 {
 	struct nfs4_state_owner  *sp;
@@ -2501,6 +2502,8 @@ static int _nfs4_do_open(struct inode *d
 	struct nfs4_threshold **ctx_th = &ctx->mdsthreshold;
 	fmode_t fmode = ctx->mode & (FMODE_READ|FMODE_WRITE|FMODE_EXEC);
 	enum open_claim_type4 claim = NFS4_OPEN_CLAIM_NULL;
+	struct iattr *sattr = c->sattr;
+	struct nfs4_label *label = c->label;
 	struct nfs4_label *olabel = NULL;
 	int status;
 
@@ -2519,8 +2522,8 @@ static int _nfs4_do_open(struct inode *d
 	status = -ENOMEM;
 	if (d_really_is_positive(dentry))
 		claim = NFS4_OPEN_CLAIM_FH;
-	opendata = nfs4_opendata_alloc(dentry, sp, fmode, flags, sattr,
-			label, claim, GFP_KERNEL);
+	opendata = nfs4_opendata_alloc(dentry, sp, fmode, flags,
+			c, claim, GFP_KERNEL);
 	if (opendata == NULL)
 		goto err_put_state_owner;
 
@@ -2596,10 +2599,18 @@ static struct nfs4_state *nfs4_do_open(s
 	struct nfs_server *server = NFS_SERVER(dir);
 	struct nfs4_exception exception = { };
 	struct nfs4_state *res;
+	struct nfs4_open_createattrs c = {
+		.label = label,
+		.sattr = sattr,
+		.verf = {
+			[0] = (__u32)jiffies,
+			[1] = (__u32)current->pid,
+		},
+	};
 	int status;
 
 	do {
-		status = _nfs4_do_open(dir, ctx, flags, sattr, label, opened);
+		status = _nfs4_do_open(dir, ctx, flags, &c, opened);
 		res = ctx->state;
 		trace_nfs4_open_file(ctx, flags, status);
 		if (status == 0)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/nfsd/nfs4state.c linux-libre-4.4.187-gnu/fs/nfsd/nfs4state.c
--- linux-libre-4.4.186-gnu/fs/nfsd/nfs4state.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/nfsd/nfs4state.c	2019-08-04 03:35:02.000000000 -0400
@@ -1391,11 +1391,16 @@ static u32 nfsd4_get_drc_mem(struct nfsd
 {
 	u32 slotsize = slot_bytes(ca);
 	u32 num = ca->maxreqs;
-	int avail;
+	unsigned long avail, total_avail;
 
 	spin_lock(&nfsd_drc_lock);
-	avail = min((unsigned long)NFSD_MAX_MEM_PER_SESSION,
-		    nfsd_drc_max_mem - nfsd_drc_mem_used);
+	total_avail = nfsd_drc_max_mem - nfsd_drc_mem_used;
+	avail = min((unsigned long)NFSD_MAX_MEM_PER_SESSION, total_avail);
+	/*
+	 * Never use more than a third of the remaining memory,
+	 * unless it's the only way to give this client a slot:
+	 */
+	avail = clamp_t(unsigned long, avail, slotsize, total_avail/3);
 	num = min_t(int, num, avail / slotsize);
 	nfsd_drc_mem_used += num * slotsize;
 	spin_unlock(&nfsd_drc_lock);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/nfsd/nfssvc.c linux-libre-4.4.187-gnu/fs/nfsd/nfssvc.c
--- linux-libre-4.4.186-gnu/fs/nfsd/nfssvc.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/nfsd/nfssvc.c	2019-08-04 03:35:02.000000000 -0400
@@ -360,7 +360,7 @@ void nfsd_reset_versions(void)
  */
 static void set_max_drc(void)
 {
-	#define NFSD_DRC_SIZE_SHIFT	10
+	#define NFSD_DRC_SIZE_SHIFT	7
 	nfsd_drc_max_mem = (nr_free_buffer_pages()
 					>> NFSD_DRC_SIZE_SHIFT) * PAGE_SIZE;
 	nfsd_drc_mem_used = 0;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/fs/open.c linux-libre-4.4.187-gnu/fs/open.c
--- linux-libre-4.4.186-gnu/fs/open.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/fs/open.c	2019-08-04 03:35:02.000000000 -0400
@@ -363,6 +363,25 @@ SYSCALL_DEFINE3(faccessat, int, dfd, con
 				override_cred->cap_permitted;
 	}
 
+	/*
+	 * The new set of credentials can *only* be used in
+	 * task-synchronous circumstances, and does not need
+	 * RCU freeing, unless somebody then takes a separate
+	 * reference to it.
+	 *
+	 * NOTE! This is _only_ true because this credential
+	 * is used purely for override_creds() that installs
+	 * it as the subjective cred. Other threads will be
+	 * accessing ->real_cred, not the subjective cred.
+	 *
+	 * If somebody _does_ make a copy of this (using the
+	 * 'get_current_cred()' function), that will clear the
+	 * non_rcu field, because now that other user may be
+	 * expecting RCU freeing. But normal thread-synchronous
+	 * cred accesses will keep things non-RCY.
+	 */
+	override_cred->non_rcu = 1;
+
 	old_cred = override_creds(override_cred);
 retry:
 	res = user_path_at(dfd, filename, lookup_flags, &path);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/include/linux/cred.h linux-libre-4.4.187-gnu/include/linux/cred.h
--- linux-libre-4.4.186-gnu/include/linux/cred.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/include/linux/cred.h	2019-08-04 03:35:02.000000000 -0400
@@ -153,7 +153,11 @@ struct cred {
 	struct user_struct *user;	/* real user ID subscription */
 	struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */
 	struct group_info *group_info;	/* supplementary groups for euid/fsgid */
-	struct rcu_head	rcu;		/* RCU deletion hook */
+	/* RCU deletion */
+	union {
+		int non_rcu;			/* Can we skip RCU deletion? */
+		struct rcu_head	rcu;		/* RCU deletion hook */
+	};
 };
 
 extern void __put_cred(struct cred *);
@@ -251,6 +255,7 @@ static inline const struct cred *get_cre
 {
 	struct cred *nonconst_cred = (struct cred *) cred;
 	validate_creds(cred);
+	nonconst_cred->non_rcu = 0;
 	return get_new_cred(nonconst_cred);
 }
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/include/linux/elevator.h linux-libre-4.4.187-gnu/include/linux/elevator.h
--- linux-libre-4.4.186-gnu/include/linux/elevator.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/include/linux/elevator.h	2019-08-04 03:35:02.000000000 -0400
@@ -97,7 +97,7 @@ struct elevator_type
 	struct module *elevator_owner;
 
 	/* managed by elevator core */
-	char icq_cache_name[ELV_NAME_MAX + 5];	/* elvname + "_io_cq" */
+	char icq_cache_name[ELV_NAME_MAX + 6];	/* elvname + "_io_cq" */
 	struct list_head list;
 };
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/include/linux/rcupdate.h linux-libre-4.4.187-gnu/include/linux/rcupdate.h
--- linux-libre-4.4.186-gnu/include/linux/rcupdate.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/include/linux/rcupdate.h	2019-08-04 03:35:02.000000000 -0400
@@ -852,7 +852,7 @@ static inline void rcu_preempt_sleep_che
  * read-side critical sections may be preempted and they may also block, but
  * only when acquiring spinlocks that are subject to priority inheritance.
  */
-static inline void rcu_read_lock(void)
+static __always_inline void rcu_read_lock(void)
 {
 	__rcu_read_lock();
 	__acquire(RCU);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/include/linux/sched.h linux-libre-4.4.187-gnu/include/linux/sched.h
--- linux-libre-4.4.186-gnu/include/linux/sched.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/include/linux/sched.h	2019-08-04 03:35:02.000000000 -0400
@@ -1860,7 +1860,7 @@ extern int arch_task_struct_size __read_
 extern void task_numa_fault(int last_node, int node, int pages, int flags);
 extern pid_t task_numa_group_id(struct task_struct *p);
 extern void set_numabalancing_state(bool enabled);
-extern void task_numa_free(struct task_struct *p);
+extern void task_numa_free(struct task_struct *p, bool final);
 extern bool should_numa_migrate_memory(struct task_struct *p, struct page *page,
 					int src_nid, int dst_cpu);
 #else
@@ -1875,7 +1875,7 @@ static inline pid_t task_numa_group_id(s
 static inline void set_numabalancing_state(bool enabled)
 {
 }
-static inline void task_numa_free(struct task_struct *p)
+static inline void task_numa_free(struct task_struct *p, bool final)
 {
 }
 static inline bool should_numa_migrate_memory(struct task_struct *p,
diff -druNp --no-dereference linux-libre-4.4.186-gnu/include/net/tcp.h linux-libre-4.4.187-gnu/include/net/tcp.h
--- linux-libre-4.4.186-gnu/include/net/tcp.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/include/net/tcp.h	2019-08-04 03:35:02.000000000 -0400
@@ -1443,6 +1443,11 @@ struct sock *tcp_try_fastopen(struct soc
 void tcp_fastopen_init_key_once(bool publish);
 #define TCP_FASTOPEN_KEY_LENGTH 16
 
+static inline void tcp_init_send_head(struct sock *sk)
+{
+	sk->sk_send_head = NULL;
+}
+
 /* Fastopen key context */
 struct tcp_fastopen_context {
 	struct crypto_cipher	*tfm;
@@ -1459,6 +1464,7 @@ static inline void tcp_write_queue_purge
 		sk_wmem_free_skb(sk, skb);
 	sk_mem_reclaim(sk);
 	tcp_clear_all_retrans_hints(tcp_sk(sk));
+	tcp_init_send_head(sk);
 	inet_csk(sk)->icsk_backoff = 0;
 }
 
@@ -1520,11 +1526,6 @@ static inline void tcp_check_send_head(s
 		tcp_sk(sk)->highest_sack = NULL;
 }
 
-static inline void tcp_init_send_head(struct sock *sk)
-{
-	sk->sk_send_head = NULL;
-}
-
 static inline void __tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb)
 {
 	__skb_queue_tail(&sk->sk_write_queue, skb);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/bpf/Makefile linux-libre-4.4.187-gnu/kernel/bpf/Makefile
--- linux-libre-4.4.186-gnu/kernel/bpf/Makefile	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/bpf/Makefile	2019-08-04 03:35:02.000000000 -0400
@@ -1,4 +1,5 @@
 obj-y := core.o
+CFLAGS_core.o += $(call cc-disable-warning, override-init)
 
 obj-$(CONFIG_BPF_SYSCALL) += syscall.o verifier.o inode.o helpers.o
 obj-$(CONFIG_BPF_SYSCALL) += hashtab.o arraymap.o
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/cred.c linux-libre-4.4.187-gnu/kernel/cred.c
--- linux-libre-4.4.186-gnu/kernel/cred.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/cred.c	2019-08-04 03:35:02.000000000 -0400
@@ -146,7 +146,10 @@ void __put_cred(struct cred *cred)
 	BUG_ON(cred == current->cred);
 	BUG_ON(cred == current->real_cred);
 
-	call_rcu(&cred->rcu, put_cred_rcu);
+	if (cred->non_rcu)
+		put_cred_rcu(&cred->rcu);
+	else
+		call_rcu(&cred->rcu, put_cred_rcu);
 }
 EXPORT_SYMBOL(__put_cred);
 
@@ -257,6 +260,7 @@ struct cred *prepare_creds(void)
 	old = task->cred;
 	memcpy(new, old, sizeof(struct cred));
 
+	new->non_rcu = 0;
 	atomic_set(&new->usage, 1);
 	set_cred_subscribers(new, 0);
 	get_group_info(new->group_info);
@@ -536,7 +540,19 @@ const struct cred *override_creds(const
 
 	validate_creds(old);
 	validate_creds(new);
-	get_cred(new);
+
+	/*
+	 * NOTE! This uses 'get_new_cred()' rather than 'get_cred()'.
+	 *
+	 * That means that we do not clear the 'non_rcu' flag, since
+	 * we are only installing the cred into the thread-synchronous
+	 * '->cred' pointer, not the '->real_cred' pointer that is
+	 * visible to other threads under RCU.
+	 *
+	 * Also note that we did validate_creds() manually, not depending
+	 * on the validation in 'get_cred()'.
+	 */
+	get_new_cred((struct cred *)new);
 	alter_cred_subscribers(new, 1);
 	rcu_assign_pointer(current->cred, new);
 	alter_cred_subscribers(old, -1);
@@ -619,6 +635,7 @@ struct cred *prepare_kernel_cred(struct
 	validate_creds(old);
 
 	*new = *old;
+	new->non_rcu = 0;
 	atomic_set(&new->usage, 1);
 	set_cred_subscribers(new, 0);
 	get_uid(new->user);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/fork.c linux-libre-4.4.187-gnu/kernel/fork.c
--- linux-libre-4.4.186-gnu/kernel/fork.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/fork.c	2019-08-04 03:35:02.000000000 -0400
@@ -254,7 +254,7 @@ void __put_task_struct(struct task_struc
 	WARN_ON(tsk == current);
 
 	cgroup_free(tsk);
-	task_numa_free(tsk);
+	task_numa_free(tsk, true);
 	security_task_free(tsk);
 	exit_creds(tsk);
 	delayacct_tsk_free(tsk);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/locking/lockdep.c linux-libre-4.4.187-gnu/kernel/locking/lockdep.c
--- linux-libre-4.4.186-gnu/kernel/locking/lockdep.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/locking/lockdep.c	2019-08-04 03:35:02.000000000 -0400
@@ -3128,17 +3128,17 @@ static int __lock_acquire(struct lockdep
 	if (depth) {
 		hlock = curr->held_locks + depth - 1;
 		if (hlock->class_idx == class_idx && nest_lock) {
-			if (hlock->references) {
-				/*
-				 * Check: unsigned int references:12, overflow.
-				 */
-				if (DEBUG_LOCKS_WARN_ON(hlock->references == (1 << 12)-1))
-					return 0;
+			if (!references)
+				references++;
 
+			if (!hlock->references)
 				hlock->references++;
-			} else {
-				hlock->references = 2;
-			}
+
+			hlock->references += references;
+
+			/* Overflow */
+			if (DEBUG_LOCKS_WARN_ON(hlock->references < references))
+				return 0;
 
 			return 1;
 		}
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/locking/lockdep_proc.c linux-libre-4.4.187-gnu/kernel/locking/lockdep_proc.c
--- linux-libre-4.4.186-gnu/kernel/locking/lockdep_proc.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/locking/lockdep_proc.c	2019-08-04 03:35:02.000000000 -0400
@@ -217,7 +217,6 @@ static void lockdep_stats_debug_show(str
 
 static int lockdep_stats_show(struct seq_file *m, void *v)
 {
-	struct lock_class *class;
 	unsigned long nr_unused = 0, nr_uncategorized = 0,
 		      nr_irq_safe = 0, nr_irq_unsafe = 0,
 		      nr_softirq_safe = 0, nr_softirq_unsafe = 0,
@@ -227,6 +226,9 @@ static int lockdep_stats_show(struct seq
 		      nr_hardirq_read_safe = 0, nr_hardirq_read_unsafe = 0,
 		      sum_forward_deps = 0;
 
+#ifdef CONFIG_PROVE_LOCKING
+	struct lock_class *class;
+
 	list_for_each_entry(class, &all_lock_classes, lock_entry) {
 
 		if (class->usage_mask == 0)
@@ -258,13 +260,13 @@ static int lockdep_stats_show(struct seq
 		if (class->usage_mask & LOCKF_ENABLED_HARDIRQ_READ)
 			nr_hardirq_read_unsafe++;
 
-#ifdef CONFIG_PROVE_LOCKING
 		sum_forward_deps += lockdep_count_forward_deps(class);
-#endif
 	}
 #ifdef CONFIG_DEBUG_LOCKDEP
 	DEBUG_LOCKS_WARN_ON(debug_atomic_read(nr_unused_locks) != nr_unused);
 #endif
+
+#endif
 	seq_printf(m, " lock-classes:                  %11lu [max: %lu]\n",
 			nr_lock_classes, MAX_LOCKDEP_KEYS);
 	seq_printf(m, " direct dependencies:           %11lu [max: %lu]\n",
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/padata.c linux-libre-4.4.187-gnu/kernel/padata.c
--- linux-libre-4.4.186-gnu/kernel/padata.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/padata.c	2019-08-04 03:35:02.000000000 -0400
@@ -273,7 +273,12 @@ static void padata_reorder(struct parall
 	 * The next object that needs serialization might have arrived to
 	 * the reorder queues in the meantime, we will be called again
 	 * from the timer function if no one else cares for it.
+	 *
+	 * Ensure reorder_objects is read after pd->lock is dropped so we see
+	 * an increment from another task in padata_do_serial.  Pairs with
+	 * smp_mb__after_atomic in padata_do_serial.
 	 */
+	smp_mb();
 	if (atomic_read(&pd->reorder_objects)
 			&& !(pinst->flags & PADATA_RESET))
 		mod_timer(&pd->timer, jiffies + HZ);
@@ -342,6 +347,13 @@ void padata_do_serial(struct padata_priv
 	list_add_tail(&padata->list, &pqueue->reorder.list);
 	spin_unlock(&pqueue->reorder.lock);
 
+	/*
+	 * Ensure the atomic_inc of reorder_objects above is ordered correctly
+	 * with the trylock of pd->lock in padata_reorder.  Pairs with smp_mb
+	 * in padata_reorder.
+	 */
+	smp_mb__after_atomic();
+
 	put_cpu();
 
 	padata_reorder(pd);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/pid_namespace.c linux-libre-4.4.187-gnu/kernel/pid_namespace.c
--- linux-libre-4.4.186-gnu/kernel/pid_namespace.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/pid_namespace.c	2019-08-04 03:35:02.000000000 -0400
@@ -325,7 +325,7 @@ int reboot_pid_ns(struct pid_namespace *
 	}
 
 	read_lock(&tasklist_lock);
-	force_sig(SIGKILL, pid_ns->child_reaper);
+	send_sig(SIGKILL, pid_ns->child_reaper, 1);
 	read_unlock(&tasklist_lock);
 
 	do_exit(0);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/sched/fair.c linux-libre-4.4.187-gnu/kernel/sched/fair.c
--- linux-libre-4.4.186-gnu/kernel/sched/fair.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/sched/fair.c	2019-08-04 03:35:02.000000000 -0400
@@ -2054,13 +2054,23 @@ no_join:
 	return;
 }
 
-void task_numa_free(struct task_struct *p)
+/*
+ * Get rid of NUMA staticstics associated with a task (either current or dead).
+ * If @final is set, the task is dead and has reached refcount zero, so we can
+ * safely free all relevant data structures. Otherwise, there might be
+ * concurrent reads from places like load balancing and procfs, and we should
+ * reset the data back to default state without freeing ->numa_faults.
+ */
+void task_numa_free(struct task_struct *p, bool final)
 {
 	struct numa_group *grp = p->numa_group;
-	void *numa_faults = p->numa_faults;
+	unsigned long *numa_faults = p->numa_faults;
 	unsigned long flags;
 	int i;
 
+	if (!numa_faults)
+		return;
+
 	if (grp) {
 		spin_lock_irqsave(&grp->lock, flags);
 		for (i = 0; i < NR_NUMA_HINT_FAULT_STATS * nr_node_ids; i++)
@@ -2073,8 +2083,14 @@ void task_numa_free(struct task_struct *
 		put_numa_group(grp);
 	}
 
-	p->numa_faults = NULL;
-	kfree(numa_faults);
+	if (final) {
+		p->numa_faults = NULL;
+		kfree(numa_faults);
+	} else {
+		p->total_numa_faults = 0;
+		for (i = 0; i < NR_NUMA_HINT_FAULT_STATS * nr_node_ids; i++)
+			numa_faults[i] = 0;
+	}
 }
 
 /*
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/time/ntp.c linux-libre-4.4.187-gnu/kernel/time/ntp.c
--- linux-libre-4.4.186-gnu/kernel/time/ntp.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/time/ntp.c	2019-08-04 03:35:02.000000000 -0400
@@ -39,6 +39,7 @@ static u64			tick_length_base;
 #define MAX_TICKADJ		500LL		/* usecs */
 #define MAX_TICKADJ_SCALED \
 	(((MAX_TICKADJ * NSEC_PER_USEC) << NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ)
+#define MAX_TAI_OFFSET		100000
 
 /*
  * phase-lock loop variables
@@ -633,7 +634,8 @@ static inline void process_adjtimex_mode
 		time_constant = max(time_constant, 0l);
 	}
 
-	if (txc->modes & ADJ_TAI && txc->constant >= 0)
+	if (txc->modes & ADJ_TAI &&
+			txc->constant >= 0 && txc->constant <= MAX_TAI_OFFSET)
 		*time_tai = txc->constant;
 
 	if (txc->modes & ADJ_OFFSET)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/time/timer_list.c linux-libre-4.4.187-gnu/kernel/time/timer_list.c
--- linux-libre-4.4.186-gnu/kernel/time/timer_list.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/time/timer_list.c	2019-08-04 03:35:02.000000000 -0400
@@ -299,23 +299,6 @@ static inline void timer_list_header(str
 	SEQ_printf(m, "\n");
 }
 
-static int timer_list_show(struct seq_file *m, void *v)
-{
-	struct timer_list_iter *iter = v;
-
-	if (iter->cpu == -1 && !iter->second_pass)
-		timer_list_header(m, iter->now);
-	else if (!iter->second_pass)
-		print_cpu(m, iter->cpu, iter->now);
-#ifdef CONFIG_GENERIC_CLOCKEVENTS
-	else if (iter->cpu == -1 && iter->second_pass)
-		timer_list_show_tickdevices_header(m);
-	else
-		print_tickdevice(m, tick_get_device(iter->cpu), iter->cpu);
-#endif
-	return 0;
-}
-
 void sysrq_timer_list_show(void)
 {
 	u64 now = ktime_to_ns(ktime_get());
@@ -334,6 +317,24 @@ void sysrq_timer_list_show(void)
 	return;
 }
 
+#ifdef CONFIG_PROC_FS
+static int timer_list_show(struct seq_file *m, void *v)
+{
+	struct timer_list_iter *iter = v;
+
+	if (iter->cpu == -1 && !iter->second_pass)
+		timer_list_header(m, iter->now);
+	else if (!iter->second_pass)
+		print_cpu(m, iter->cpu, iter->now);
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
+	else if (iter->cpu == -1 && iter->second_pass)
+		timer_list_show_tickdevices_header(m);
+	else
+		print_tickdevice(m, tick_get_device(iter->cpu), iter->cpu);
+#endif
+	return 0;
+}
+
 static void *move_iter(struct timer_list_iter *iter, loff_t offset)
 {
 	for (; offset; offset--) {
@@ -405,3 +406,4 @@ static int __init init_timer_list_procfs
 	return 0;
 }
 __initcall(init_timer_list_procfs);
+#endif
diff -druNp --no-dereference linux-libre-4.4.186-gnu/kernel/trace/trace.c linux-libre-4.4.187-gnu/kernel/trace/trace.c
--- linux-libre-4.4.186-gnu/kernel/trace/trace.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/kernel/trace/trace.c	2019-08-04 03:35:02.000000000 -0400
@@ -5406,11 +5406,15 @@ tracing_snapshot_write(struct file *filp
 			break;
 		}
 #endif
-		if (!tr->allocated_snapshot) {
+		if (!tr->allocated_snapshot)
+			ret = resize_buffer_duplicate_size(&tr->max_buffer,
+				&tr->trace_buffer, iter->cpu_file);
+		else
 			ret = alloc_snapshot(tr);
-			if (ret < 0)
-				break;
-		}
+
+		if (ret < 0)
+			break;
+
 		local_irq_disable();
 		/* Now, we're going to swap */
 		if (iter->cpu_file == RING_BUFFER_ALL_CPUS)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/lib/reed_solomon/decode_rs.c linux-libre-4.4.187-gnu/lib/reed_solomon/decode_rs.c
--- linux-libre-4.4.186-gnu/lib/reed_solomon/decode_rs.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/lib/reed_solomon/decode_rs.c	2019-08-04 03:35:02.000000000 -0400
@@ -42,8 +42,18 @@
 	BUG_ON(pad < 0 || pad >= nn);
 
 	/* Does the caller provide the syndrome ? */
-	if (s != NULL)
-		goto decode;
+	if (s != NULL) {
+		for (i = 0; i < nroots; i++) {
+			/* The syndrome is in index form,
+			 * so nn represents zero
+			 */
+			if (s[i] != nn)
+				goto decode;
+		}
+
+		/* syndrome is zero, no errors to correct  */
+		return 0;
+	}
 
 	/* form the syndromes; i.e., evaluate data(x) at roots of
 	 * g(x) */
@@ -99,9 +109,9 @@
 	if (no_eras > 0) {
 		/* Init lambda to be the erasure locator polynomial */
 		lambda[1] = alpha_to[rs_modnn(rs,
-					      prim * (nn - 1 - eras_pos[0]))];
+					prim * (nn - 1 - (eras_pos[0] + pad)))];
 		for (i = 1; i < no_eras; i++) {
-			u = rs_modnn(rs, prim * (nn - 1 - eras_pos[i]));
+			u = rs_modnn(rs, prim * (nn - 1 - (eras_pos[i] + pad)));
 			for (j = i + 1; j > 0; j--) {
 				tmp = index_of[lambda[j - 1]];
 				if (tmp != nn) {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/lib/scatterlist.c linux-libre-4.4.187-gnu/lib/scatterlist.c
--- linux-libre-4.4.186-gnu/lib/scatterlist.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/lib/scatterlist.c	2019-08-04 03:35:02.000000000 -0400
@@ -496,17 +496,18 @@ static bool sg_miter_get_next_page(struc
 {
 	if (!miter->__remaining) {
 		struct scatterlist *sg;
-		unsigned long pgoffset;
 
 		if (!__sg_page_iter_next(&miter->piter))
 			return false;
 
 		sg = miter->piter.sg;
-		pgoffset = miter->piter.sg_pgoffset;
 
-		miter->__offset = pgoffset ? 0 : sg->offset;
+		miter->__offset = miter->piter.sg_pgoffset ? 0 : sg->offset;
+		miter->piter.sg_pgoffset += miter->__offset >> PAGE_SHIFT;
+		miter->__offset &= PAGE_SIZE - 1;
 		miter->__remaining = sg->offset + sg->length -
-				(pgoffset << PAGE_SHIFT) - miter->__offset;
+				     (miter->piter.sg_pgoffset << PAGE_SHIFT) -
+				     miter->__offset;
 		miter->__remaining = min_t(unsigned long, miter->__remaining,
 					   PAGE_SIZE - miter->__offset);
 	}
diff -druNp --no-dereference linux-libre-4.4.186-gnu/Makefile linux-libre-4.4.187-gnu/Makefile
--- linux-libre-4.4.186-gnu/Makefile	2019-07-21 15:26:30.000000000 -0400
+++ linux-libre-4.4.187-gnu/Makefile	2019-08-05 00:44:22.000000000 -0400
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 186
+SUBLEVEL = 187
 EXTRAVERSION = -gnu
 NAME = Blurry Fish Butt
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/mm/kmemleak.c linux-libre-4.4.187-gnu/mm/kmemleak.c
--- linux-libre-4.4.186-gnu/mm/kmemleak.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/mm/kmemleak.c	2019-08-04 03:35:02.000000000 -0400
@@ -566,7 +566,7 @@ static struct kmemleak_object *create_ob
 	if (in_irq()) {
 		object->pid = 0;
 		strncpy(object->comm, "hardirq", sizeof(object->comm));
-	} else if (in_softirq()) {
+	} else if (in_serving_softirq()) {
 		object->pid = 0;
 		strncpy(object->comm, "softirq", sizeof(object->comm));
 	} else {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/mm/mmu_notifier.c linux-libre-4.4.187-gnu/mm/mmu_notifier.c
--- linux-libre-4.4.186-gnu/mm/mmu_notifier.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/mm/mmu_notifier.c	2019-08-04 03:35:02.000000000 -0400
@@ -286,7 +286,7 @@ static int do_mmu_notifier_register(stru
 	 * thanks to mm_take_all_locks().
 	 */
 	spin_lock(&mm->mmu_notifier_mm->lock);
-	hlist_add_head(&mn->hlist, &mm->mmu_notifier_mm->list);
+	hlist_add_head_rcu(&mn->hlist, &mm->mmu_notifier_mm->list);
 	spin_unlock(&mm->mmu_notifier_mm->lock);
 
 	mm_drop_all_locks(mm);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/mm/vmstat.c linux-libre-4.4.187-gnu/mm/vmstat.c
--- linux-libre-4.4.186-gnu/mm/vmstat.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/mm/vmstat.c	2019-08-04 03:35:02.000000000 -0400
@@ -1395,10 +1395,15 @@ static void vmstat_update(struct work_st
 		 * Counters were updated so we expect more updates
 		 * to occur in the future. Keep on running the
 		 * update worker thread.
+		 * If we were marked on cpu_stat_off clear the flag
+		 * so that vmstat_shepherd doesn't schedule us again.
 		 */
-		queue_delayed_work_on(smp_processor_id(), vmstat_wq,
-			this_cpu_ptr(&vmstat_work),
-			round_jiffies_relative(sysctl_stat_interval));
+		if (!cpumask_test_and_clear_cpu(smp_processor_id(),
+						cpu_stat_off)) {
+			queue_delayed_work_on(smp_processor_id(), vmstat_wq,
+				this_cpu_ptr(&vmstat_work),
+				round_jiffies_relative(sysctl_stat_interval));
+		}
 	} else {
 		/*
 		 * We did not update any counters so the app may be in
@@ -1407,17 +1412,7 @@ static void vmstat_update(struct work_st
 		 * Defer the checking for differentials to the
 		 * shepherd thread on a different processor.
 		 */
-		int r;
-		/*
-		 * Shepherd work thread does not race since it never
-		 * changes the bit if its zero but the cpu
-		 * online / off line code may race if
-		 * worker threads are still allowed during
-		 * shutdown / startup.
-		 */
-		r = cpumask_test_and_set_cpu(smp_processor_id(),
-			cpu_stat_off);
-		VM_BUG_ON(r);
+		cpumask_set_cpu(smp_processor_id(), cpu_stat_off);
 	}
 }
 
@@ -1426,18 +1421,6 @@ static void vmstat_update(struct work_st
  * until the diffs stay at zero. The function is used by NOHZ and can only be
  * invoked when tick processing is not active.
  */
-void quiet_vmstat(void)
-{
-	if (system_state != SYSTEM_RUNNING)
-		return;
-
-	do {
-		if (!cpumask_test_and_set_cpu(smp_processor_id(), cpu_stat_off))
-			cancel_delayed_work(this_cpu_ptr(&vmstat_work));
-
-	} while (refresh_cpu_vm_stats(false));
-}
-
 /*
  * Check if the diffs for a certain cpu indicate that
  * an update is needed.
@@ -1461,6 +1444,30 @@ static bool need_update(int cpu)
 	return false;
 }
 
+void quiet_vmstat(void)
+{
+	if (system_state != SYSTEM_RUNNING)
+		return;
+
+	/*
+	 * If we are already in hands of the shepherd then there
+	 * is nothing for us to do here.
+	 */
+	if (cpumask_test_and_set_cpu(smp_processor_id(), cpu_stat_off))
+		return;
+
+	if (!need_update(smp_processor_id()))
+		return;
+
+	/*
+	 * Just refresh counters and do not care about the pending delayed
+	 * vmstat_update. It doesn't fire that often to matter and canceling
+	 * it would be too expensive from this path.
+	 * vmstat_shepherd will take care about that for us.
+	 */
+	refresh_cpu_vm_stats(false);
+}
+
 
 /*
  * Shepherd worker thread that checks the
@@ -1478,18 +1485,25 @@ static void vmstat_shepherd(struct work_
 
 	get_online_cpus();
 	/* Check processors whose vmstat worker threads have been disabled */
-	for_each_cpu(cpu, cpu_stat_off)
-		if (need_update(cpu) &&
-			cpumask_test_and_clear_cpu(cpu, cpu_stat_off))
-
-			queue_delayed_work_on(cpu, vmstat_wq,
-				&per_cpu(vmstat_work, cpu), 0);
+	for_each_cpu(cpu, cpu_stat_off) {
+		struct delayed_work *dw = &per_cpu(vmstat_work, cpu);
 
+		if (need_update(cpu)) {
+			if (cpumask_test_and_clear_cpu(cpu, cpu_stat_off))
+				queue_delayed_work_on(cpu, vmstat_wq, dw, 0);
+		} else {
+			/*
+			 * Cancel the work if quiet_vmstat has put this
+			 * cpu on cpu_stat_off because the work item might
+			 * be still scheduled
+			 */
+			cancel_delayed_work(dw);
+		}
+	}
 	put_online_cpus();
 
 	schedule_delayed_work(&shepherd,
 		round_jiffies_relative(sysctl_stat_interval));
-
 }
 
 static void __init start_shepherd_timer(void)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/9p/trans_virtio.c linux-libre-4.4.187-gnu/net/9p/trans_virtio.c
--- linux-libre-4.4.186-gnu/net/9p/trans_virtio.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/9p/trans_virtio.c	2019-08-04 03:35:02.000000000 -0400
@@ -767,10 +767,16 @@ static struct p9_trans_module p9_virtio_
 /* The standard init function */
 static int __init p9_virtio_init(void)
 {
+	int rc;
+
 	INIT_LIST_HEAD(&virtio_chan_list);
 
 	v9fs_register_trans(&p9_virtio_trans);
-	return register_virtio_driver(&p9_virtio_drv);
+	rc = register_virtio_driver(&p9_virtio_drv);
+	if (rc)
+		v9fs_unregister_trans(&p9_virtio_trans);
+
+	return rc;
 }
 
 static void __exit p9_virtio_cleanup(void)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/batman-adv/translation-table.c linux-libre-4.4.187-gnu/net/batman-adv/translation-table.c
--- linux-libre-4.4.186-gnu/net/batman-adv/translation-table.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/batman-adv/translation-table.c	2019-08-04 03:35:02.000000000 -0400
@@ -3158,6 +3158,8 @@ static void batadv_tt_purge(struct work_
 
 void batadv_tt_free(struct batadv_priv *bat_priv)
 {
+	batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_ROAM, 1);
+
 	batadv_tvlv_container_unregister(bat_priv, BATADV_TVLV_TT, 1);
 	batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_TT, 1);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/bluetooth/6lowpan.c linux-libre-4.4.187-gnu/net/bluetooth/6lowpan.c
--- linux-libre-4.4.186-gnu/net/bluetooth/6lowpan.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/bluetooth/6lowpan.c	2019-08-04 03:35:02.000000000 -0400
@@ -184,10 +184,16 @@ static inline struct lowpan_peer *peer_l
 	}
 
 	if (!rt) {
-		nexthop = &lowpan_cb(skb)->gw;
-
-		if (ipv6_addr_any(nexthop))
-			return NULL;
+		if (ipv6_addr_any(&lowpan_cb(skb)->gw)) {
+			/* There is neither route nor gateway,
+			 * probably the destination is a direct peer.
+			 */
+			nexthop = daddr;
+		} else {
+			/* There is a known gateway
+			 */
+			nexthop = &lowpan_cb(skb)->gw;
+		}
 	} else {
 		nexthop = rt6_nexthop(rt, daddr);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/bluetooth/hci_event.c linux-libre-4.4.187-gnu/net/bluetooth/hci_event.c
--- linux-libre-4.4.186-gnu/net/bluetooth/hci_event.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/bluetooth/hci_event.c	2019-08-04 03:35:02.000000000 -0400
@@ -5062,6 +5062,11 @@ static void hci_le_remote_conn_param_req
 		return send_conn_param_neg_reply(hdev, handle,
 						 HCI_ERROR_UNKNOWN_CONN_ID);
 
+	if (min < hcon->le_conn_min_interval ||
+	    max > hcon->le_conn_max_interval)
+		return send_conn_param_neg_reply(hdev, handle,
+						 HCI_ERROR_INVALID_LL_PARAMS);
+
 	if (hci_check_conn_params(min, max, latency, timeout))
 		return send_conn_param_neg_reply(hdev, handle,
 						 HCI_ERROR_INVALID_LL_PARAMS);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/bluetooth/l2cap_core.c linux-libre-4.4.187-gnu/net/bluetooth/l2cap_core.c
--- linux-libre-4.4.186-gnu/net/bluetooth/l2cap_core.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/bluetooth/l2cap_core.c	2019-08-04 03:35:02.000000000 -0400
@@ -4363,6 +4363,12 @@ static inline int l2cap_disconnect_rsp(s
 
 	l2cap_chan_lock(chan);
 
+	if (chan->state != BT_DISCONN) {
+		l2cap_chan_unlock(chan);
+		mutex_unlock(&conn->chan_lock);
+		return 0;
+	}
+
 	l2cap_chan_hold(chan);
 	l2cap_chan_del(chan, 0);
 
@@ -5260,7 +5266,14 @@ static inline int l2cap_conn_param_updat
 
 	memset(&rsp, 0, sizeof(rsp));
 
-	err = hci_check_conn_params(min, max, latency, to_multiplier);
+	if (min < hcon->le_conn_min_interval ||
+	    max > hcon->le_conn_max_interval) {
+		BT_DBG("requested connection interval exceeds current bounds.");
+		err = -EINVAL;
+	} else {
+		err = hci_check_conn_params(min, max, latency, to_multiplier);
+	}
+
 	if (err)
 		rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED);
 	else
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/bluetooth/smp.c linux-libre-4.4.187-gnu/net/bluetooth/smp.c
--- linux-libre-4.4.186-gnu/net/bluetooth/smp.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/bluetooth/smp.c	2019-08-04 03:35:02.000000000 -0400
@@ -2532,6 +2532,19 @@ static int smp_cmd_ident_addr_info(struc
 		goto distribute;
 	}
 
+	/* Drop IRK if peer is using identity address during pairing but is
+	 * providing different address as identity information.
+	 *
+	 * Microsoft Surface Precision Mouse is known to have this bug.
+	 */
+	if (hci_is_identity_address(&hcon->dst, hcon->dst_type) &&
+	    (bacmp(&info->bdaddr, &hcon->dst) ||
+	     info->addr_type != hcon->dst_type)) {
+		bt_dev_err(hcon->hdev,
+			   "ignoring IRK with invalid identity address");
+		goto distribute;
+	}
+
 	bacpy(&smp->id_addr, &info->bdaddr);
 	smp->id_addr_type = info->addr_type;
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/bridge/br_multicast.c linux-libre-4.4.187-gnu/net/bridge/br_multicast.c
--- linux-libre-4.4.186-gnu/net/bridge/br_multicast.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/bridge/br_multicast.c	2019-08-04 03:35:02.000000000 -0400
@@ -1011,6 +1011,7 @@ static int br_ip4_multicast_igmp3_report
 	int type;
 	int err = 0;
 	__be32 group;
+	u16 nsrcs;
 
 	ih = igmpv3_report_hdr(skb);
 	num = ntohs(ih->ngrec);
@@ -1024,8 +1025,9 @@ static int br_ip4_multicast_igmp3_report
 		grec = (void *)(skb->data + len - sizeof(*grec));
 		group = grec->grec_mca;
 		type = grec->grec_type;
+		nsrcs = ntohs(grec->grec_nsrcs);
 
-		len += ntohs(grec->grec_nsrcs) * 4;
+		len += nsrcs * 4;
 		if (!pskb_may_pull(skb, len))
 			return -EINVAL;
 
@@ -1045,7 +1047,7 @@ static int br_ip4_multicast_igmp3_report
 
 		if ((type == IGMPV3_CHANGE_TO_INCLUDE ||
 		     type == IGMPV3_MODE_IS_INCLUDE) &&
-		    ntohs(grec->grec_nsrcs) == 0) {
+		    nsrcs == 0) {
 			br_ip4_multicast_leave_group(br, port, group, vid);
 		} else {
 			err = br_ip4_multicast_add_group(br, port, group, vid);
@@ -1078,23 +1080,26 @@ static int br_ip6_multicast_mld2_report(
 	len = skb_transport_offset(skb) + sizeof(*icmp6h);
 
 	for (i = 0; i < num; i++) {
-		__be16 *nsrcs, _nsrcs;
+		__be16 *_nsrcs, __nsrcs;
+		u16 nsrcs;
 
-		nsrcs = skb_header_pointer(skb,
-					   len + offsetof(struct mld2_grec,
-							  grec_nsrcs),
-					   sizeof(_nsrcs), &_nsrcs);
-		if (!nsrcs)
+		_nsrcs = skb_header_pointer(skb,
+					    len + offsetof(struct mld2_grec,
+							   grec_nsrcs),
+					    sizeof(__nsrcs), &__nsrcs);
+		if (!_nsrcs)
 			return -EINVAL;
 
+		nsrcs = ntohs(*_nsrcs);
+
 		if (!pskb_may_pull(skb,
 				   len + sizeof(*grec) +
-				   sizeof(struct in6_addr) * ntohs(*nsrcs)))
+				   sizeof(struct in6_addr) * nsrcs))
 			return -EINVAL;
 
 		grec = (struct mld2_grec *)(skb->data + len);
 		len += sizeof(*grec) +
-		       sizeof(struct in6_addr) * ntohs(*nsrcs);
+		       sizeof(struct in6_addr) * nsrcs;
 
 		/* We treat these as MLDv1 reports for now. */
 		switch (grec->grec_type) {
@@ -1112,7 +1117,7 @@ static int br_ip6_multicast_mld2_report(
 
 		if ((grec->grec_type == MLD2_CHANGE_TO_INCLUDE ||
 		     grec->grec_type == MLD2_MODE_IS_INCLUDE) &&
-		    ntohs(*nsrcs) == 0) {
+		    nsrcs == 0) {
 			br_ip6_multicast_leave_group(br, port, &grec->grec_mca,
 						     vid);
 		} else {
@@ -1348,7 +1353,6 @@ static int br_ip6_multicast_query(struct
 				  struct sk_buff *skb,
 				  u16 vid)
 {
-	const struct ipv6hdr *ip6h = ipv6_hdr(skb);
 	struct mld_msg *mld;
 	struct net_bridge_mdb_entry *mp;
 	struct mld2_query *mld2q;
@@ -1392,7 +1396,7 @@ static int br_ip6_multicast_query(struct
 
 	if (is_general_query) {
 		saddr.proto = htons(ETH_P_IPV6);
-		saddr.u.ip6 = ip6h->saddr;
+		saddr.u.ip6 = ipv6_hdr(skb)->saddr;
 
 		br_multicast_query_received(br, port, &br->ip6_other_query,
 					    &saddr, max_delay);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/bridge/br_stp_bpdu.c linux-libre-4.4.187-gnu/net/bridge/br_stp_bpdu.c
--- linux-libre-4.4.186-gnu/net/bridge/br_stp_bpdu.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/bridge/br_stp_bpdu.c	2019-08-04 03:35:02.000000000 -0400
@@ -147,7 +147,6 @@ void br_send_tcn_bpdu(struct net_bridge_
 void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
 		struct net_device *dev)
 {
-	const unsigned char *dest = eth_hdr(skb)->h_dest;
 	struct net_bridge_port *p;
 	struct net_bridge *br;
 	const unsigned char *buf;
@@ -176,7 +175,7 @@ void br_stp_rcv(const struct stp_proto *
 	if (p->state == BR_STATE_DISABLED)
 		goto out;
 
-	if (!ether_addr_equal(dest, br->group_addr))
+	if (!ether_addr_equal(eth_hdr(skb)->h_dest, br->group_addr))
 		goto out;
 
 	if (p->flags & BR_BPDU_GUARD) {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/core/neighbour.c linux-libre-4.4.187-gnu/net/core/neighbour.c
--- linux-libre-4.4.186-gnu/net/core/neighbour.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/core/neighbour.c	2019-08-04 03:35:02.000000000 -0400
@@ -982,6 +982,7 @@ int __neigh_event_send(struct neighbour
 
 			atomic_set(&neigh->probes,
 				   NEIGH_VAR(neigh->parms, UCAST_PROBES));
+			neigh_del_timer(neigh);
 			neigh->nud_state     = NUD_INCOMPLETE;
 			neigh->updated = now;
 			next = now + max(NEIGH_VAR(neigh->parms, RETRANS_TIME),
@@ -998,6 +999,7 @@ int __neigh_event_send(struct neighbour
 		}
 	} else if (neigh->nud_state & NUD_STALE) {
 		neigh_dbg(2, "neigh %p is delayed\n", neigh);
+		neigh_del_timer(neigh);
 		neigh->nud_state = NUD_DELAY;
 		neigh->updated = jiffies;
 		neigh_add_timer(neigh, jiffies +
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/ipv4/devinet.c linux-libre-4.4.187-gnu/net/ipv4/devinet.c
--- linux-libre-4.4.186-gnu/net/ipv4/devinet.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/ipv4/devinet.c	2019-08-04 03:35:02.000000000 -0400
@@ -67,6 +67,11 @@
 
 #include "fib_lookup.h"
 
+#define IPV6ONLY_FLAGS	\
+		(IFA_F_NODAD | IFA_F_OPTIMISTIC | IFA_F_DADFAILED | \
+		 IFA_F_HOMEADDRESS | IFA_F_TENTATIVE | \
+		 IFA_F_MANAGETEMPADDR | IFA_F_STABLE_PRIVACY)
+
 static struct ipv4_devconf ipv4_devconf = {
 	.data = {
 		[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
@@ -453,6 +458,9 @@ static int __inet_insert_ifa(struct in_i
 	ifa->ifa_flags &= ~IFA_F_SECONDARY;
 	last_primary = &in_dev->ifa_list;
 
+	/* Don't set IPv6 only flags to IPv4 addresses */
+	ifa->ifa_flags &= ~IPV6ONLY_FLAGS;
+
 	for (ifap = &in_dev->ifa_list; (ifa1 = *ifap) != NULL;
 	     ifap = &ifa1->ifa_next) {
 		if (!(ifa1->ifa_flags & IFA_F_SECONDARY) &&
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/ipv4/tcp.c linux-libre-4.4.187-gnu/net/ipv4/tcp.c
--- linux-libre-4.4.186-gnu/net/ipv4/tcp.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/ipv4/tcp.c	2019-08-04 03:35:02.000000000 -0400
@@ -2272,6 +2272,8 @@ int tcp_disconnect(struct sock *sk, int
 	dst_release(sk->sk_rx_dst);
 	sk->sk_rx_dst = NULL;
 	tcp_saved_syn_free(tp);
+	tp->bytes_acked = 0;
+	tp->bytes_received = 0;
 
 	WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/ipv6/ip6mr.c linux-libre-4.4.187-gnu/net/ipv6/ip6mr.c
--- linux-libre-4.4.186-gnu/net/ipv6/ip6mr.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/ipv6/ip6mr.c	2019-08-04 03:35:02.000000000 -0400
@@ -1666,6 +1666,10 @@ int ip6_mroute_setsockopt(struct sock *s
 	struct net *net = sock_net(sk);
 	struct mr6_table *mrt;
 
+	if (sk->sk_type != SOCK_RAW ||
+	    inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+		return -EOPNOTSUPP;
+
 	mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
 	if (!mrt)
 		return -ENOENT;
@@ -1677,9 +1681,6 @@ int ip6_mroute_setsockopt(struct sock *s
 
 	switch (optname) {
 	case MRT6_INIT:
-		if (sk->sk_type != SOCK_RAW ||
-		    inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
-			return -EOPNOTSUPP;
 		if (optlen < sizeof(int))
 			return -EINVAL;
 
@@ -1816,6 +1817,10 @@ int ip6_mroute_getsockopt(struct sock *s
 	struct net *net = sock_net(sk);
 	struct mr6_table *mrt;
 
+	if (sk->sk_type != SOCK_RAW ||
+	    inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+		return -EOPNOTSUPP;
+
 	mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
 	if (!mrt)
 		return -ENOENT;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/key/af_key.c linux-libre-4.4.187-gnu/net/key/af_key.c
--- linux-libre-4.4.186-gnu/net/key/af_key.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/key/af_key.c	2019-08-04 03:35:02.000000000 -0400
@@ -2463,8 +2463,10 @@ static int key_pol_get_resp(struct sock
 		goto out;
 	}
 	err = pfkey_xfrm_policy2msg(out_skb, xp, dir);
-	if (err < 0)
+	if (err < 0) {
+		kfree_skb(out_skb);
 		goto out;
+	}
 
 	out_hdr = (struct sadb_msg *) out_skb->data;
 	out_hdr->sadb_msg_version = hdr->sadb_msg_version;
@@ -2717,8 +2719,10 @@ static int dump_sp(struct xfrm_policy *x
 		return PTR_ERR(out_skb);
 
 	err = pfkey_xfrm_policy2msg(out_skb, xp, dir);
-	if (err < 0)
+	if (err < 0) {
+		kfree_skb(out_skb);
 		return err;
+	}
 
 	out_hdr = (struct sadb_msg *) out_skb->data;
 	out_hdr->sadb_msg_version = pfk->dump.msg_version;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/netrom/af_netrom.c linux-libre-4.4.187-gnu/net/netrom/af_netrom.c
--- linux-libre-4.4.186-gnu/net/netrom/af_netrom.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/netrom/af_netrom.c	2019-08-04 03:35:02.000000000 -0400
@@ -870,7 +870,7 @@ int nr_rx_frame(struct sk_buff *skb, str
 	unsigned short frametype, flags, window, timeout;
 	int ret;
 
-	skb->sk = NULL;		/* Initially we don't know who it's for */
+	skb_orphan(skb);
 
 	/*
 	 *	skb->data points to the netrom frame start
@@ -968,7 +968,9 @@ int nr_rx_frame(struct sk_buff *skb, str
 
 	window = skb->data[20];
 
+	sock_hold(make);
 	skb->sk             = make;
+	skb->destructor     = sock_efree;
 	make->sk_state	    = TCP_ESTABLISHED;
 
 	/* Fill in his circuit details */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/nfc/nci/data.c linux-libre-4.4.187-gnu/net/nfc/nci/data.c
--- linux-libre-4.4.186-gnu/net/nfc/nci/data.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/nfc/nci/data.c	2019-08-04 03:35:02.000000000 -0400
@@ -119,7 +119,7 @@ static int nci_queue_tx_data_frags(struc
 	conn_info = nci_get_conn_info_by_conn_id(ndev, conn_id);
 	if (!conn_info) {
 		rc = -EPROTO;
-		goto free_exit;
+		goto exit;
 	}
 
 	__skb_queue_head_init(&frags_q);
diff -druNp --no-dereference linux-libre-4.4.186-gnu/net/xfrm/xfrm_user.c linux-libre-4.4.187-gnu/net/xfrm/xfrm_user.c
--- linux-libre-4.4.186-gnu/net/xfrm/xfrm_user.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/net/xfrm/xfrm_user.c	2019-08-04 03:35:02.000000000 -0400
@@ -151,6 +151,25 @@ static int verify_newsa_info(struct xfrm
 	err = -EINVAL;
 	switch (p->family) {
 	case AF_INET:
+		break;
+
+	case AF_INET6:
+#if IS_ENABLED(CONFIG_IPV6)
+		break;
+#else
+		err = -EAFNOSUPPORT;
+		goto out;
+#endif
+
+	default:
+		goto out;
+	}
+
+	switch (p->sel.family) {
+	case AF_UNSPEC:
+		break;
+
+	case AF_INET:
 		if (p->sel.prefixlen_d > 32 || p->sel.prefixlen_s > 32)
 			goto out;
 
diff -druNp --no-dereference linux-libre-4.4.186-gnu/scripts/kallsyms.c linux-libre-4.4.187-gnu/scripts/kallsyms.c
--- linux-libre-4.4.186-gnu/scripts/kallsyms.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/scripts/kallsyms.c	2019-08-04 03:35:02.000000000 -0400
@@ -158,6 +158,9 @@ static int read_symbol(FILE *in, struct
 	/* exclude debugging symbols */
 	else if (stype == 'N')
 		return -1;
+	/* exclude s390 kasan local symbols */
+	else if (!strncmp(sym, ".LASANPC", 8))
+		return -1;
 
 	/* include the type field in the symbol name, so that it gets
 	 * compressed together */
diff -druNp --no-dereference linux-libre-4.4.186-gnu/scripts/recordmcount.h linux-libre-4.4.187-gnu/scripts/recordmcount.h
--- linux-libre-4.4.186-gnu/scripts/recordmcount.h	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/scripts/recordmcount.h	2019-08-04 03:35:02.000000000 -0400
@@ -326,7 +326,8 @@ static uint_t *sift_rel_mcount(uint_t *m
 		if (!mcountsym)
 			mcountsym = get_mcountsym(sym0, relp, str0);
 
-		if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
+		if (mcountsym && mcountsym == Elf_r_sym(relp) &&
+				!is_fake_mcount(relp)) {
 			uint_t const addend =
 				_w(_w(relp->r_offset) - recval + mcount_adjust);
 			mrelp->r_offset = _w(offbase
diff -druNp --no-dereference linux-libre-4.4.186-gnu/sound/core/seq/seq_clientmgr.c linux-libre-4.4.187-gnu/sound/core/seq/seq_clientmgr.c
--- linux-libre-4.4.186-gnu/sound/core/seq/seq_clientmgr.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/sound/core/seq/seq_clientmgr.c	2019-08-04 03:35:02.000000000 -0400
@@ -1014,7 +1014,7 @@ static ssize_t snd_seq_write(struct file
 {
 	struct snd_seq_client *client = file->private_data;
 	int written = 0, len;
-	int err;
+	int err, handled;
 	struct snd_seq_event event;
 
 	if (!(snd_seq_file_flags(file) & SNDRV_SEQ_LFLG_OUTPUT))
@@ -1027,6 +1027,8 @@ static ssize_t snd_seq_write(struct file
 	if (!client->accept_output || client->pool == NULL)
 		return -ENXIO;
 
+ repeat:
+	handled = 0;
 	/* allocate the pool now if the pool is not allocated yet */ 
 	mutex_lock(&client->ioctl_mutex);
 	if (client->pool->size > 0 && !snd_seq_write_pool_allocated(client)) {
@@ -1086,12 +1088,19 @@ static ssize_t snd_seq_write(struct file
 						   0, 0, &client->ioctl_mutex);
 		if (err < 0)
 			break;
+		handled++;
 
 	__skip_event:
 		/* Update pointers and counts */
 		count -= len;
 		buf += len;
 		written += len;
+
+		/* let's have a coffee break if too many events are queued */
+		if (++handled >= 200) {
+			mutex_unlock(&client->ioctl_mutex);
+			goto repeat;
+		}
 	}
 
  out:
diff -druNp --no-dereference linux-libre-4.4.186-gnu/sound/pci/hda/patch_conexant.c linux-libre-4.4.187-gnu/sound/pci/hda/patch_conexant.c
--- linux-libre-4.4.186-gnu/sound/pci/hda/patch_conexant.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/sound/pci/hda/patch_conexant.c	2019-08-04 03:35:02.000000000 -0400
@@ -1008,6 +1008,7 @@ static int patch_conexant_auto(struct hd
  */
 
 static const struct hda_device_id snd_hda_id_conexant[] = {
+	HDA_CODEC_ENTRY(0x14f11f86, "CX8070", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15045, "CX20549 (Venice)", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15047, "CX20551 (Waikiki)", patch_conexant_auto),
diff -druNp --no-dereference linux-libre-4.4.186-gnu/sound/usb/line6/podhd.c linux-libre-4.4.187-gnu/sound/usb/line6/podhd.c
--- linux-libre-4.4.186-gnu/sound/usb/line6/podhd.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/sound/usb/line6/podhd.c	2019-08-04 03:35:02.000000000 -0400
@@ -155,7 +155,7 @@ static const struct line6_properties pod
 		.capabilities	= LINE6_CAP_CONTROL
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
-		.altsetting = 1,
+		.altsetting = 0,
 		.ep_ctrl_r = 0x81,
 		.ep_ctrl_w = 0x01,
 		.ep_audio_r = 0x86,
diff -druNp --no-dereference linux-libre-4.4.186-gnu/tools/iio/iio_utils.c linux-libre-4.4.187-gnu/tools/iio/iio_utils.c
--- linux-libre-4.4.186-gnu/tools/iio/iio_utils.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/tools/iio/iio_utils.c	2019-08-04 03:35:02.000000000 -0400
@@ -163,9 +163,9 @@ int iioutils_get_type(unsigned *is_signe
 			*be = (endianchar == 'b');
 			*bytes = padint / 8;
 			if (*bits_used == 64)
-				*mask = ~0;
+				*mask = ~(0ULL);
 			else
-				*mask = (1ULL << *bits_used) - 1;
+				*mask = (1ULL << *bits_used) - 1ULL;
 
 			*is_signed = (signchar == 's');
 			if (fclose(sysfsfp)) {
diff -druNp --no-dereference linux-libre-4.4.186-gnu/tools/perf/tests/mmap-thread-lookup.c linux-libre-4.4.187-gnu/tools/perf/tests/mmap-thread-lookup.c
--- linux-libre-4.4.186-gnu/tools/perf/tests/mmap-thread-lookup.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/tools/perf/tests/mmap-thread-lookup.c	2019-08-04 03:35:02.000000000 -0400
@@ -49,7 +49,7 @@ static void *thread_fn(void *arg)
 {
 	struct thread_data *td = arg;
 	ssize_t ret;
-	int go;
+	int go = 0;
 
 	if (thread_init(td))
 		return NULL;
diff -druNp --no-dereference linux-libre-4.4.186-gnu/tools/perf/tests/parse-events.c linux-libre-4.4.187-gnu/tools/perf/tests/parse-events.c
--- linux-libre-4.4.186-gnu/tools/perf/tests/parse-events.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/tools/perf/tests/parse-events.c	2019-08-04 03:35:02.000000000 -0400
@@ -12,6 +12,32 @@
 #define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
 			     PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
 
+#if defined(__s390x__)
+/* Return true if kvm module is available and loaded. Test this
+ * and retun success when trace point kvm_s390_create_vm
+ * exists. Otherwise this test always fails.
+ */
+static bool kvm_s390_create_vm_valid(void)
+{
+	char *eventfile;
+	bool rc = false;
+
+	eventfile = get_events_file("kvm-s390");
+
+	if (eventfile) {
+		DIR *mydir = opendir(eventfile);
+
+		if (mydir) {
+			rc = true;
+			closedir(mydir);
+		}
+		put_events_file(eventfile);
+	}
+
+	return rc;
+}
+#endif
+
 static int test__checkevent_tracepoint(struct perf_evlist *evlist)
 {
 	struct perf_evsel *evsel = perf_evlist__first(evlist);
@@ -1561,6 +1587,7 @@ static struct evlist_test test__events[]
 	{
 		.name  = "kvm-s390:kvm_s390_create_vm",
 		.check = test__checkevent_tracepoint,
+		.valid = kvm_s390_create_vm_valid,
 		.id    = 100,
 	},
 #endif
diff -druNp --no-dereference linux-libre-4.4.186-gnu/tools/perf/util/evsel.c linux-libre-4.4.187-gnu/tools/perf/util/evsel.c
--- linux-libre-4.4.186-gnu/tools/perf/util/evsel.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/tools/perf/util/evsel.c	2019-08-04 03:35:02.000000000 -0400
@@ -491,6 +491,9 @@ const char *perf_evsel__name(struct perf
 {
 	char bf[128];
 
+	if (!evsel)
+		goto out_unknown;
+
 	if (evsel->name)
 		return evsel->name;
 
@@ -527,7 +530,10 @@ const char *perf_evsel__name(struct perf
 
 	evsel->name = strdup(bf);
 
-	return evsel->name ?: "unknown";
+	if (evsel->name)
+		return evsel->name;
+out_unknown:
+	return "unknown";
 }
 
 const char *perf_evsel__group_name(struct perf_evsel *evsel)
diff -druNp --no-dereference linux-libre-4.4.186-gnu/tools/power/cpupower/utils/cpufreq-set.c linux-libre-4.4.187-gnu/tools/power/cpupower/utils/cpufreq-set.c
--- linux-libre-4.4.186-gnu/tools/power/cpupower/utils/cpufreq-set.c	2019-07-21 03:07:16.000000000 -0400
+++ linux-libre-4.4.187-gnu/tools/power/cpupower/utils/cpufreq-set.c	2019-08-04 03:35:02.000000000 -0400
@@ -306,6 +306,8 @@ int cmd_freq_set(int argc, char **argv)
 				bitmask_setbit(cpus_chosen, cpus->cpu);
 				cpus = cpus->next;
 			}
+			/* Set the last cpu in related cpus list */
+			bitmask_setbit(cpus_chosen, cpus->cpu);
 			cpufreq_put_related_cpus(cpus);
 		}
 	}
