Merge tag 'asoc-v3.17-rc6' of...

Merge tag 'asoc-v3.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.17

A few small driver specific fixes and a couple of error handling fixes
in the core.

Documentation/devicetree/bindings/input/atmel,maxtouch.txt

@@ -11,10 +11,6 @@ Required properties:
 
 Optional properties for main touchpad device:
 
-- linux,gpio-keymap: An array of up to 4 entries indicating the Linux
-    keycode generated by each GPIO. Linux keycodes are defined in
-    <dt-bindings/input/input.h>.
-
 - linux,gpio-keymap: When enabled, the SPT_GPIOPWN_T19 object sends messages
     on GPIO bit changes. An array of up to 8 entries can be provided
     indicating the Linux keycode mapped to each bit of the status byte,

Documentation/devicetree/bindings/spi/spi-rockchip.txt

@@ -16,11 +16,15 @@ Required Properties:
 - clocks: Must contain an entry for each entry in clock-names.
 - clock-names: Shall be "spiclk" for the transfer-clock, and "apb_pclk" for
 			   the peripheral clock.
+- #address-cells: should be 1.
+- #size-cells: should be 0.
+
+Optional Properties:
+
 - dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
 		Documentation/devicetree/bindings/dma/dma.txt
 - dma-names: DMA request names should include "tx" and "rx" if present.
-- #address-cells: should be 1.
-- #size-cells: should be 0.
+
 
 Example:
 

MAINTAINERS

@@ -1665,6 +1665,12 @@ M:	Nicolas Ferre <nicolas.ferre@atmel.com>
 S:	Supported
 F:	drivers/tty/serial/atmel_serial.c
 
+ATMEL Audio ALSA driver
+M:	Bo Shen <voice.shen@atmel.com>
+L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
+S:	Supported
+F:	sound/soc/atmel
+
 ATMEL DMA DRIVER
 M:	Nicolas Ferre <nicolas.ferre@atmel.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -6876,7 +6882,7 @@ F:	arch/x86/kernel/quirks.c
 
 PCI DRIVER FOR IMX6
 M:	Richard Zhu <r65037@freescale.com>
-M:	Shawn Guo <shawn.guo@freescale.com>
+M:	Lucas Stach <l.stach@pengutronix.de>
 L:	linux-pci@vger.kernel.org
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained

Makefile

 VERSION = 3
 PATCHLEVEL = 17
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Shuffling Zombie Juror
 
 # *DOCUMENTATION*

arch/arm/include/asm/tls.h

 #ifndef __ASMARM_TLS_H
 #define __ASMARM_TLS_H
 
+#include <linux/compiler.h>
+#include <asm/thread_info.h>
+
 #ifdef __ASSEMBLY__
 #include <asm/asm-offsets.h>
 	.macro switch_tls_none, base, tp, tpuser, tmp1, tmp2
@@ -50,6 +53,47 @@
 #endif
 
 #ifndef __ASSEMBLY__
+
+static inline void set_tls(unsigned long val)
+{
+	struct thread_info *thread;
+
+	thread = current_thread_info();
+
+	thread->tp_value[0] = val;
+
+	/*
+	 * This code runs with preemption enabled and therefore must
+	 * be reentrant with respect to switch_tls.
+	 *
+	 * We need to ensure ordering between the shadow state and the
+	 * hardware state, so that we don't corrupt the hardware state
+	 * with a stale shadow state during context switch.
+	 *
+	 * If we're preempted here, switch_tls will load TPIDRURO from
+	 * thread_info upon resuming execution and the following mcr
+	 * is merely redundant.
+	 */
+	barrier();
+
+	if (!tls_emu) {
+		if (has_tls_reg) {
+			asm("mcr p15, 0, %0, c13, c0, 3"
+			    : : "r" (val));
+		} else {
+			/*
+			 * User space must never try to access this
+			 * directly.  Expect your app to break
+			 * eventually if you do so.  The user helper
+			 * at 0xffff0fe0 must be used instead.  (see
+			 * entry-armv.S for details)
+			 */
+			*((unsigned int *)0xffff0ff0) = val;
+		}
+
+	}
+}
+
 static inline unsigned long get_tpuser(void)
 {
 	unsigned long reg = 0;
@@ -59,5 +103,23 @@ static inline unsigned long get_tpuser(void)
 
 	return reg;
 }
+
+static inline void set_tpuser(unsigned long val)
+{
+	/* Since TPIDRURW is fully context-switched (unlike TPIDRURO),
+	 * we need not update thread_info.
+	 */
+	if (has_tls_reg && !tls_emu) {
+		asm("mcr p15, 0, %0, c13, c0, 2"
+		    : : "r" (val));
+	}
+}
+
+static inline void flush_tls(void)
+{
+	set_tls(0);
+	set_tpuser(0);
+}
+
 #endif
 #endif	/* __ASMARM_TLS_H */

arch/arm/include/asm/uaccess.h

@@ -107,8 +107,11 @@ static inline void set_fs(mm_segment_t fs)
 extern int __get_user_1(void *);
 extern int __get_user_2(void *);
 extern int __get_user_4(void *);
-extern int __get_user_lo8(void *);
+extern int __get_user_32t_8(void *);
 extern int __get_user_8(void *);
+extern int __get_user_64t_1(void *);
+extern int __get_user_64t_2(void *);
+extern int __get_user_64t_4(void *);
 
 #define __GUP_CLOBBER_1	"lr", "cc"
 #ifdef CONFIG_CPU_USE_DOMAINS
@@ -117,7 +120,7 @@ extern int __get_user_8(void *);
 #define __GUP_CLOBBER_2 "lr", "cc"
 #endif
 #define __GUP_CLOBBER_4	"lr", "cc"
-#define __GUP_CLOBBER_lo8 "lr", "cc"
+#define __GUP_CLOBBER_32t_8 "lr", "cc"
 #define __GUP_CLOBBER_8	"lr", "cc"
 
 #define __get_user_x(__r2,__p,__e,__l,__s)				\
@@ -131,12 +134,30 @@ extern int __get_user_8(void *);
 
 /* narrowing a double-word get into a single 32bit word register: */
 #ifdef __ARMEB__
-#define __get_user_xb(__r2, __p, __e, __l, __s)				\
-	__get_user_x(__r2, __p, __e, __l, lo8)
+#define __get_user_x_32t(__r2, __p, __e, __l, __s)				\
+	__get_user_x(__r2, __p, __e, __l, 32t_8)
 #else
-#define __get_user_xb __get_user_x
+#define __get_user_x_32t __get_user_x
 #endif
 
+/*
+ * storing result into proper least significant word of 64bit target var,
+ * different only for big endian case where 64 bit __r2 lsw is r3:
+ */
+#ifdef __ARMEB__
+#define __get_user_x_64t(__r2, __p, __e, __l, __s)		        \
+	   __asm__ __volatile__ (					\
+		__asmeq("%0", "r0") __asmeq("%1", "r2")			\
+		__asmeq("%3", "r1")					\
+		"bl	__get_user_64t_" #__s				\
+		: "=&r" (__e), "=r" (__r2)				\
+		: "0" (__p), "r" (__l)					\
+		: __GUP_CLOBBER_##__s)
+#else
+#define __get_user_x_64t __get_user_x
+#endif
+
+
 #define __get_user_check(x,p)							\
 	({								\
 		unsigned long __limit = current_thread_info()->addr_limit - 1; \
@@ -146,17 +167,26 @@ extern int __get_user_8(void *);
 		register int __e asm("r0");				\
 		switch (sizeof(*(__p))) {				\
 		case 1:							\
-			__get_user_x(__r2, __p, __e, __l, 1);		\
+			if (sizeof((x)) >= 8)				\
+				__get_user_x_64t(__r2, __p, __e, __l, 1); \
+			else						\
+				__get_user_x(__r2, __p, __e, __l, 1);	\
 			break;						\
 		case 2:							\
-			__get_user_x(__r2, __p, __e, __l, 2);		\
+			if (sizeof((x)) >= 8)				\
+				__get_user_x_64t(__r2, __p, __e, __l, 2); \
+			else						\
+				__get_user_x(__r2, __p, __e, __l, 2);	\
 			break;						\
 		case 4:							\
-			__get_user_x(__r2, __p, __e, __l, 4);		\
+			if (sizeof((x)) >= 8)				\
+				__get_user_x_64t(__r2, __p, __e, __l, 4); \
+			else						\
+				__get_user_x(__r2, __p, __e, __l, 4);	\
 			break;						\
 		case 8:							\
 			if (sizeof((x)) < 8)				\
-				__get_user_xb(__r2, __p, __e, __l, 4);	\
+				__get_user_x_32t(__r2, __p, __e, __l, 4); \
 			else						\
 				__get_user_x(__r2, __p, __e, __l, 8);	\
 			break;						\

arch/arm/kernel/armksyms.c

@@ -98,6 +98,14 @@ EXPORT_SYMBOL(__clear_user);
 EXPORT_SYMBOL(__get_user_1);
 EXPORT_SYMBOL(__get_user_2);
 EXPORT_SYMBOL(__get_user_4);
+EXPORT_SYMBOL(__get_user_8);
+
+#ifdef __ARMEB__
+EXPORT_SYMBOL(__get_user_64t_1);
+EXPORT_SYMBOL(__get_user_64t_2);
+EXPORT_SYMBOL(__get_user_64t_4);
+EXPORT_SYMBOL(__get_user_32t_8);
+#endif
 
 EXPORT_SYMBOL(__put_user_1);
 EXPORT_SYMBOL(__put_user_2);

arch/arm/kernel/irq.c

@@ -175,7 +175,7 @@ static bool migrate_one_irq(struct irq_desc *desc)
 	c = irq_data_get_irq_chip(d);
 	if (!c->irq_set_affinity)
 		pr_debug("IRQ%u: unable to set affinity\n", d->irq);
-	else if (c->irq_set_affinity(d, affinity, true) == IRQ_SET_MASK_OK && ret)
+	else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret)
 		cpumask_copy(d->affinity, affinity);
 
 	return ret;

arch/arm/kernel/perf_event_cpu.c

@@ -76,21 +76,15 @@ static struct pmu_hw_events *cpu_pmu_get_cpu_events(void)
 
 static void cpu_pmu_enable_percpu_irq(void *data)
 {
-	struct arm_pmu *cpu_pmu = data;
-	struct platform_device *pmu_device = cpu_pmu->plat_device;
-	int irq = platform_get_irq(pmu_device, 0);
+	int irq = *(int *)data;
 
 	enable_percpu_irq(irq, IRQ_TYPE_NONE);
-	cpumask_set_cpu(smp_processor_id(), &cpu_pmu->active_irqs);
 }
 
 static void cpu_pmu_disable_percpu_irq(void *data)
 {
-	struct arm_pmu *cpu_pmu = data;
-	struct platform_device *pmu_device = cpu_pmu->plat_device;
-	int irq = platform_get_irq(pmu_device, 0);
+	int irq = *(int *)data;
 
-	cpumask_clear_cpu(smp_processor_id(), &cpu_pmu->active_irqs);
 	disable_percpu_irq(irq);
 }
 
@@ -103,7 +97,7 @@ static void cpu_pmu_free_irq(struct arm_pmu *cpu_pmu)
 
 	irq = platform_get_irq(pmu_device, 0);
 	if (irq >= 0 && irq_is_percpu(irq)) {
-		on_each_cpu(cpu_pmu_disable_percpu_irq, cpu_pmu, 1);
+		on_each_cpu(cpu_pmu_disable_percpu_irq, &irq, 1);
 		free_percpu_irq(irq, &percpu_pmu);
 	} else {
 		for (i = 0; i < irqs; ++i) {
@@ -138,7 +132,7 @@ static int cpu_pmu_request_irq(struct arm_pmu *cpu_pmu, irq_handler_t handler)
 				irq);
 			return err;
 		}
-		on_each_cpu(cpu_pmu_enable_percpu_irq, cpu_pmu, 1);
+		on_each_cpu(cpu_pmu_enable_percpu_irq, &irq, 1);
 	} else {
 		for (i = 0; i < irqs; ++i) {
 			err = 0;

arch/arm/kernel/process.c

@@ -334,6 +334,8 @@ void flush_thread(void)
 	memset(&tsk->thread.debug, 0, sizeof(struct debug_info));
 	memset(&thread->fpstate, 0, sizeof(union fp_state));
 
+	flush_tls();
+
 	thread_notify(THREAD_NOTIFY_FLUSH, thread);
 }
 

arch/arm/kernel/swp_emulate.c

@@ -142,14 +142,6 @@ static int emulate_swpX(unsigned int address, unsigned int *data,
 	while (1) {
 		unsigned long temp;
 
-		/*
-		 * Barrier required between accessing protected resource and
-		 * releasing a lock for it. Legacy code might not have done
-		 * this, and we cannot determine that this is not the case
-		 * being emulated, so insert always.
-		 */
-		smp_mb();
-
 		if (type == TYPE_SWPB)
 			__user_swpb_asm(*data, address, res, temp);
 		else
@@ -162,13 +154,6 @@ static int emulate_swpX(unsigned int address, unsigned int *data,
 	}
 
 	if (res == 0) {
-		/*
-		 * Barrier also required between acquiring a lock for a
-		 * protected resource and accessing the resource. Inserted for
-		 * same reason as above.
-		 */
-		smp_mb();
-
 		if (type == TYPE_SWPB)
 			swpbcounter++;
 		else

arch/arm/kernel/thumbee.c

@@ -45,7 +45,7 @@ static int thumbee_notifier(struct notifier_block *self, unsigned long cmd, void
 
 	switch (cmd) {
 	case THREAD_NOTIFY_FLUSH:
-		thread->thumbee_state = 0;
+		teehbr_write(0);
 		break;
 	case THREAD_NOTIFY_SWITCH:
 		current_thread_info()->thumbee_state = teehbr_read();

arch/arm/kernel/traps.c

@@ -581,7 +581,6 @@ do_cache_op(unsigned long start, unsigned long end, int flags)
 #define NR(x) ((__ARM_NR_##x) - __ARM_NR_BASE)
 asmlinkage int arm_syscall(int no, struct pt_regs *regs)
 {
-	struct thread_info *thread = current_thread_info();
 	siginfo_t info;
 
 	if ((no >> 16) != (__ARM_NR_BASE>> 16))
@@ -632,21 +631,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
 		return regs->ARM_r0;
 
 	case NR(set_tls):
-		thread->tp_value[0] = regs->ARM_r0;
-		if (tls_emu)
-			return 0;
-		if (has_tls_reg) {
-			asm ("mcr p15, 0, %0, c13, c0, 3"
-				: : "r" (regs->ARM_r0));
-		} else {
-			/*
-			 * User space must never try to access this directly.
-			 * Expect your app to break eventually if you do so.
-			 * The user helper at 0xffff0fe0 must be used instead.
-			 * (see entry-armv.S for details)
-			 */
-			*((unsigned int *)0xffff0ff0) = regs->ARM_r0;
-		}
+		set_tls(regs->ARM_r0);
 		return 0;
 
 #ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG

arch/arm/lib/getuser.S

@@ -80,7 +80,7 @@ ENTRY(__get_user_8)
 ENDPROC(__get_user_8)
 
 #ifdef __ARMEB__
-ENTRY(__get_user_lo8)
+ENTRY(__get_user_32t_8)
 	check_uaccess r0, 8, r1, r2, __get_user_bad
 #ifdef CONFIG_CPU_USE_DOMAINS
 	add	r0, r0, #4
@@ -90,7 +90,37 @@ ENTRY(__get_user_lo8)
 #endif
 	mov	r0, #0
 	ret	lr
-ENDPROC(__get_user_lo8)
+ENDPROC(__get_user_32t_8)
+
+ENTRY(__get_user_64t_1)
+	check_uaccess r0, 1, r1, r2, __get_user_bad8
+8: TUSER(ldrb)	r3, [r0]
+	mov	r0, #0
+	ret	lr
+ENDPROC(__get_user_64t_1)
+
+ENTRY(__get_user_64t_2)
+	check_uaccess r0, 2, r1, r2, __get_user_bad8
+#ifdef CONFIG_CPU_USE_DOMAINS
+rb	.req	ip
+9:	ldrbt	r3, [r0], #1
+10:	ldrbt	rb, [r0], #0
+#else
+rb	.req	r0
+9:	ldrb	r3, [r0]
+10:	ldrb	rb, [r0, #1]
+#endif
+	orr	r3, rb, r3, lsl #8
+	mov	r0, #0
+	ret	lr
+ENDPROC(__get_user_64t_2)
+
+ENTRY(__get_user_64t_4)
+	check_uaccess r0, 4, r1, r2, __get_user_bad8
+11: TUSER(ldr)	r3, [r0]
+	mov	r0, #0
+	ret	lr
+ENDPROC(__get_user_64t_4)
 #endif
 
 __get_user_bad8:
@@ -111,5 +141,9 @@ ENDPROC(__get_user_bad8)
 	.long	6b, __get_user_bad8
 #ifdef __ARMEB__
 	.long   7b, __get_user_bad
+	.long	8b, __get_user_bad8
+	.long	9b, __get_user_bad8
+	.long	10b, __get_user_bad8
+	.long	11b, __get_user_bad8
 #endif
 .popsection

arch/arm/mm/proc-v7-3level.S

@@ -146,7 +146,6 @@ ENDPROC(cpu_v7_set_pte_ext)
 	mov	\tmp, \ttbr1, lsr #(32 - ARCH_PGD_SHIFT)	@ upper bits
 	mov	\ttbr1, \ttbr1, lsl #ARCH_PGD_SHIFT		@ lower bits
 	addls	\ttbr1, \ttbr1, #TTBR1_OFFSET
-	adcls	\tmp, \tmp, #0
 	mcrr	p15, 1, \ttbr1, \tmp, c2			@ load TTBR1
 	mov	\tmp, \ttbr0, lsr #(32 - ARCH_PGD_SHIFT)	@ upper bits
 	mov	\ttbr0, \ttbr0, lsl #ARCH_PGD_SHIFT		@ lower bits

arch/arm64/mm/init.c

@@ -149,8 +149,7 @@ void __init arm64_memblock_init(void)
 		memblock_reserve(__virt_to_phys(initrd_start), initrd_end - initrd_start);
 #endif
 
-	if (!efi_enabled(EFI_MEMMAP))
-		early_init_fdt_scan_reserved_mem();
+	early_init_fdt_scan_reserved_mem();
 
 	/* 4GB maximum for 32-bit only capable devices */
 	if (IS_ENABLED(CONFIG_ZONE_DMA))

arch/ia64/include/uapi/asm/unistd.h

@@ -329,6 +329,6 @@
 #define __NR_sched_getattr		1337
 #define __NR_renameat2			1338
 #define __NR_getrandom			1339
-#define __NR_memfd_create		1339
+#define __NR_memfd_create		1340
 
 #endif /* _UAPI_ASM_IA64_UNISTD_H */

arch/ia64/pci/fixup.c

@@ -38,27 +38,6 @@ static void pci_fixup_video(struct pci_dev *pdev)
 		return;
 	/* Maybe, this machine supports legacy memory map. */
 
-	if (!vga_default_device()) {
-		resource_size_t start, end;
-		int i;
-
-		/* Does firmware framebuffer belong to us? */
-		for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
-			if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM))
-				continue;
-
-			start = pci_resource_start(pdev, i);
-			end  = pci_resource_end(pdev, i);
-
-			if (!start || !end)
-				continue;
-
-			if (screen_info.lfb_base >= start &&
-			    (screen_info.lfb_base + screen_info.lfb_size) < end)
-				vga_set_default_device(pdev);
-		}
-	}
-
 	/* Is VGA routed to us? */
 	bus = pdev->bus;
 	while (bus) {
@@ -83,8 +62,7 @@ static void pci_fixup_video(struct pci_dev *pdev)
 		pci_read_config_word(pdev, PCI_COMMAND, &config);
 		if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
 			pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
-			dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n");
-			vga_set_default_device(pdev);
+			dev_printk(KERN_DEBUG, &pdev->dev, "Video device with shadowed ROM\n");
 		}
 	}
 }

arch/mips/Kconfig

@@ -546,6 +546,7 @@ config SGI_IP28
 	# select SYS_HAS_EARLY_PRINTK
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
+	select MIPS_L1_CACHE_SHIFT_7
       help
         This is the SGI Indigo2 with R10000 processor.  To compile a Linux
         kernel that runs on these, say Y here.
@@ -2029,7 +2030,9 @@ config MIPS_CMP
 	bool "MIPS CMP framework support (DEPRECATED)"
 	depends on SYS_SUPPORTS_MIPS_CMP
 	select MIPS_GIC_IPI
+	select SMP
 	select SYNC_R4K
+	select SYS_SUPPORTS_SMP
 	select WEAK_ORDERING
 	default n
 	help

arch/mips/Makefile

@@ -113,7 +113,16 @@ predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
 cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
 
-cflags-$(CONFIG_CPU_HAS_SMARTMIPS)	+= $(call cc-option,-msmartmips)
+# For smartmips configurations, there are hundreds of warnings due to ISA overrides
+# in assembly and header files. smartmips is only supported for MIPS32r1 onwards
+# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
+# similar directives in the kernel will spam the build logs with the following warnings:
+# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
+# or
+# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
+# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
+# been fixed properly.
+cflags-$(CONFIG_CPU_HAS_SMARTMIPS)	+= $(call cc-option,-msmartmips) -Wa,--no-warn
 cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,-mmicromips)
 
 cflags-$(CONFIG_SB1XXX_CORELIS)	+= $(call cc-option,-mno-sched-prolog) \

arch/mips/bcm63xx/irq.c

@@ -434,7 +434,7 @@ static void bcm63xx_init_irq(void)
 		irq_stat_addr[0] += PERF_IRQSTAT_3368_REG;
 		irq_mask_addr[0] += PERF_IRQMASK_3368_REG;
 		irq_stat_addr[1] = 0;
-		irq_stat_addr[1] = 0;
+		irq_mask_addr[1] = 0;
 		irq_bits = 32;
 		ext_irq_count = 4;
 		ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368;
@@ -443,7 +443,7 @@ static void bcm63xx_init_irq(void)
 		irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0);
 		irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0);
 		irq_stat_addr[1] += PERF_IRQSTAT_6328_REG(1);
-		irq_stat_addr[1] += PERF_IRQMASK_6328_REG(1);
+		irq_mask_addr[1] += PERF_IRQMASK_6328_REG(1);
 		irq_bits = 64;
 		ext_irq_count = 4;
 		is_ext_irq_cascaded = 1;

arch/mips/boot/compressed/decompress.c

@@ -13,6 +13,7 @@
 
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/string.h>
 
 #include <asm/addrspace.h>
 

arch/mips/include/asm/cop2.h

@@ -16,8 +16,8 @@
 extern void octeon_cop2_save(struct octeon_cop2_state *);
 extern void octeon_cop2_restore(struct octeon_cop2_state *);
 
-#define cop2_save(r)		octeon_cop2_save(r)
-#define cop2_restore(r)		octeon_cop2_restore(r)
+#define cop2_save(r)		octeon_cop2_save(&(r)->thread.cp2)
+#define cop2_restore(r)		octeon_cop2_restore(&(r)->thread.cp2)
 
 #define cop2_present		1
 #define cop2_lazy_restore	1
@@ -26,26 +26,26 @@ extern void octeon_cop2_restore(struct octeon_cop2_state *);
 
 extern void nlm_cop2_save(struct nlm_cop2_state *);
 extern void nlm_cop2_restore(struct nlm_cop2_state *);
-#define cop2_save(r)		nlm_cop2_save(r)
-#define cop2_restore(r)		nlm_cop2_restore(r)
+
+#define cop2_save(r)		nlm_cop2_save(&(r)->thread.cp2)
+#define cop2_restore(r)		nlm_cop2_restore(&(r)->thread.cp2)
 
 #define cop2_present		1
 #define cop2_lazy_restore	0
 
 #elif defined(CONFIG_CPU_LOONGSON3)
 
-#define cop2_save(r)
-#define cop2_restore(r)
-
 #define cop2_present		1
 #define cop2_lazy_restore	1
+#define cop2_save(r)		do { (r); } while (0)
+#define cop2_restore(r)		do { (r); } while (0)
 
 #else
 
 #define cop2_present		0
 #define cop2_lazy_restore	0
-#define cop2_save(r)
-#define cop2_restore(r)
+#define cop2_save(r)		do { (r); } while (0)
+#define cop2_restore(r)		do { (r); } while (0)
 #endif
 
 enum cu2_ops {

arch/mips/include/asm/mach-ip28/spaces.h

@@ -11,15 +11,8 @@
 #ifndef _ASM_MACH_IP28_SPACES_H
 #define _ASM_MACH_IP28_SPACES_H
 
-#define CAC_BASE	_AC(0xa800000000000000, UL)
-
-#define HIGHMEM_START	(~0UL)
-
 #define PHYS_OFFSET	_AC(0x20000000, UL)
 
-#define UNCAC_BASE	_AC(0xc0000000, UL)     /* 0xa0000000 + PHYS_OFFSET */
-#define IO_BASE		UNCAC_BASE
-
 #include <asm/mach-generic/spaces.h>
 
 #endif /* _ASM_MACH_IP28_SPACES_H */

arch/mips/include/asm/page.h

@@ -37,7 +37,7 @@
 
 /*
  * This is used for calculating the real page sizes
- * for FTLB or VTLB + FTLB confugrations.
+ * for FTLB or VTLB + FTLB configurations.
  */
 static inline unsigned int page_size_ftlb(unsigned int mmuextdef)
 {
@@ -223,7 +223,8 @@ static inline int pfn_valid(unsigned long pfn)
 
 #endif
 
-#define virt_to_page(kaddr)	pfn_to_page(PFN_DOWN(virt_to_phys(kaddr)))
+#define virt_to_page(kaddr)	pfn_to_page(PFN_DOWN(virt_to_phys((void *)     \
+								  (kaddr))))
 
 extern int __virt_addr_valid(const volatile void *kaddr);
 #define virt_addr_valid(kaddr)						\

arch/mips/include/asm/smp.h

@@ -37,11 +37,6 @@ extern int __cpu_logical_map[NR_CPUS];
 
 #define NO_PROC_ID	(-1)
 
-#define topology_physical_package_id(cpu)	(cpu_data[cpu].package)
-#define topology_core_id(cpu)			(cpu_data[cpu].core)
-#define topology_core_cpumask(cpu)		(&cpu_core_map[cpu])
-#define topology_thread_cpumask(cpu)		(&cpu_sibling_map[cpu])
-
 #define SMP_RESCHEDULE_YOURSELF 0x1	/* XXX braindead */
 #define SMP_CALL_FUNCTION	0x2
 /* Octeon - Tell another core to flush its icache */

arch/mips/include/asm/switch_to.h

@@ -92,7 +92,7 @@ do {									\
 			KSTK_STATUS(prev) &= ~ST0_CU2;			\
 		__c0_stat = read_c0_status();				\
 		write_c0_status(__c0_stat | ST0_CU2);			\
-		cop2_save(&prev->thread.cp2);				\
+		cop2_save(prev);					\
 		write_c0_status(__c0_stat & ~ST0_CU2);			\
 	}								\
 	__clear_software_ll_bit();					\
@@ -111,7 +111,7 @@ do {									\
 			(KSTK_STATUS(current) & ST0_CU2)) {		\
 		__c0_stat = read_c0_status();				\
 		write_c0_status(__c0_stat | ST0_CU2);			\
-		cop2_restore(&current->thread.cp2);			\
+		cop2_restore(current);					\
 		write_c0_status(__c0_stat & ~ST0_CU2);			\
 	}								\
 	if (cpu_has_dsp)						\

arch/mips/include/asm/topology.h

@@ -9,5 +9,13 @@
 #define __ASM_TOPOLOGY_H
 
 #include <topology.h>
+#include <linux/smp.h>
+
+#ifdef CONFIG_SMP
+#define topology_physical_package_id(cpu)	(cpu_data[cpu].package)
+#define topology_core_id(cpu)			(cpu_data[cpu].core)
+#define topology_core_cpumask(cpu)		(&cpu_core_map[cpu])
+#define topology_thread_cpumask(cpu)		(&cpu_sibling_map[cpu])
+#endif
 
 #endif /* __ASM_TOPOLOGY_H */

arch/mips/include/uapi/asm/unistd.h

@@ -373,16 +373,18 @@
 #define __NR_sched_getattr		(__NR_Linux + 350)
 #define __NR_renameat2			(__NR_Linux + 351)
 #define __NR_seccomp			(__NR_Linux + 352)
+#define __NR_getrandom			(__NR_Linux + 353)
+#define __NR_memfd_create		(__NR_Linux + 354)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		352
+#define __NR_Linux_syscalls		354
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		352
+#define __NR_O32_Linux_syscalls		354
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -703,16 +705,18 @@
 #define __NR_sched_getattr		(__NR_Linux + 310)
 #define __NR_renameat2			(__NR_Linux + 311)
 #define __NR_seccomp			(__NR_Linux + 312)
+#define __NR_getrandom			(__NR_Linux + 313)
+#define __NR_memfd_create		(__NR_Linux + 314)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		312
+#define __NR_Linux_syscalls		314
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		312
+#define __NR_64_Linux_syscalls		314
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -1037,15 +1041,17 @@
 #define __NR_sched_getattr		(__NR_Linux + 314)
 #define __NR_renameat2			(__NR_Linux + 315)
 #define __NR_seccomp			(__NR_Linux + 316)
+#define __NR_getrandom			(__NR_Linux + 317)
+#define __NR_memfd_create		(__NR_Linux + 318)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		316
+#define __NR_Linux_syscalls		318
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		316
+#define __NR_N32_Linux_syscalls		318
 
 #endif /* _UAPI_ASM_UNISTD_H */

arch/mips/kernel/machine_kexec.c

@@ -71,8 +71,12 @@ machine_kexec(struct kimage *image)
 	kexec_start_address =
 		(unsigned long) phys_to_virt(image->start);
 
-	kexec_indirection_page =
-		(unsigned long) phys_to_virt(image->head & PAGE_MASK);
+	if (image->type == KEXEC_TYPE_DEFAULT) {
+		kexec_indirection_page =
+			(unsigned long) phys_to_virt(image->head & PAGE_MASK);
+	} else {
+		kexec_indirection_page = (unsigned long)&image->head;
+	}
 
 	memcpy((void*)reboot_code_buffer, relocate_new_kernel,
 	       relocate_new_kernel_size);

arch/mips/kernel/scall32-o32.S

@@ -577,3 +577,5 @@ EXPORT(sys_call_table)
 	PTR	sys_sched_getattr		/* 4350 */
 	PTR	sys_renameat2
 	PTR	sys_seccomp
+	PTR	sys_getrandom
+	PTR	sys_memfd_create

arch/mips/kernel/scall64-64.S

@@ -432,4 +432,6 @@ EXPORT(sys_call_table)
 	PTR	sys_sched_getattr		/* 5310 */
 	PTR	sys_renameat2
 	PTR	sys_seccomp
+	PTR	sys_getrandom
+	PTR	sys_memfd_create
 	.size	sys_call_table,.-sys_call_table

arch/mips/kernel/scall64-n32.S

@@ -425,4 +425,6 @@ EXPORT(sysn32_call_table)
 	PTR	sys_sched_getattr
 	PTR	sys_renameat2			/* 6315 */
 	PTR	sys_seccomp
+	PTR	sys_getrandom
+	PTR	sys_memfd_create
 	.size	sysn32_call_table,.-sysn32_call_table

arch/mips/kernel/scall64-o32.S

@@ -562,4 +562,6 @@ EXPORT(sys32_call_table)
 	PTR	sys_sched_getattr		/* 4350 */
 	PTR	sys_renameat2
 	PTR	sys_seccomp
+	PTR	sys_getrandom
+	PTR	sys_memfd_create
 	.size	sys32_call_table,.-sys32_call_table

arch/mips/net/bpf_jit.c

@@ -793,6 +793,7 @@ static int build_body(struct jit_ctx *ctx)
 	const struct sock_filter *inst;
 	unsigned int i, off, load_order, condt;
 	u32 k, b_off __maybe_unused;
+	int tmp;
 
 	for (i = 0; i < prog->len; i++) {
 		u16 code;
@@ -1332,9 +1333,9 @@ static int build_body(struct jit_ctx *ctx)
 		case BPF_ANC | SKF_AD_PKTTYPE:
 			ctx->flags |= SEEN_SKB;
 
-			off = pkt_type_offset();
+			tmp = off = pkt_type_offset();
 
-			if (off < 0)
+			if (tmp < 0)
 				return -1;
 			emit_load_byte(r_tmp, r_skb, off, ctx);
 			/* Keep only the last 3 bits */

arch/x86/boot/compressed/eboot.c

@@ -1032,7 +1032,6 @@ struct boot_params *make_boot_params(struct efi_config *c)
 	int i;
 	unsigned long ramdisk_addr;
 	unsigned long ramdisk_size;
-	unsigned long initrd_addr_max;
 
 	efi_early = c;
 	sys_table = (efi_system_table_t *)(unsigned long)efi_early->table;
@@ -1095,15 +1094,20 @@ struct boot_params *make_boot_params(struct efi_config *c)
 
 	memset(sdt, 0, sizeof(*sdt));
 
-	if (hdr->xloadflags & XLF_CAN_BE_LOADED_ABOVE_4G)
-		initrd_addr_max = -1UL;
-	else
-		initrd_addr_max = hdr->initrd_addr_max;
-
 	status = handle_cmdline_files(sys_table, image,
 				      (char *)(unsigned long)hdr->cmd_line_ptr,
-				      "initrd=", initrd_addr_max,
+				      "initrd=", hdr->initrd_addr_max,
 				      &ramdisk_addr, &ramdisk_size);
+
+	if (status != EFI_SUCCESS &&
+	    hdr->xloadflags & XLF_CAN_BE_LOADED_ABOVE_4G) {
+		efi_printk(sys_table, "Trying to load files to higher address\n");
+		status = handle_cmdline_files(sys_table, image,
+				      (char *)(unsigned long)hdr->cmd_line_ptr,
+				      "initrd=", -1UL,
+				      &ramdisk_addr, &ramdisk_size);
+	}
+
 	if (status != EFI_SUCCESS)
 		goto fail2;
 	hdr->ramdisk_image = ramdisk_addr & 0xffffffff;

arch/x86/boot/compressed/head_32.S

@@ -30,6 +30,33 @@
 #include <asm/boot.h>
 #include <asm/asm-offsets.h>
 
+/*
+ * Adjust our own GOT
+ *
+ * The relocation base must be in %ebx
+ *
+ * It is safe to call this macro more than once, because in some of the
+ * code paths multiple invocations are inevitable, e.g. via the efi*
+ * entry points.
+ *
+ * Relocation is only performed the first time.
+ */
+.macro FIXUP_GOT
+	cmpb	$1, got_fixed(%ebx)
+	je	2f
+
+	leal	_got(%ebx), %edx
+	leal	_egot(%ebx), %ecx
+1:
+	cmpl	%ecx, %edx
+	jae	2f
+	addl	%ebx, (%edx)
+	addl	$4, %edx
+	jmp	1b
+2:
+	movb	$1, got_fixed(%ebx)
+.endm
+
 	__HEAD
 ENTRY(startup_32)
 #ifdef CONFIG_EFI_STUB
@@ -56,6 +83,9 @@ ENTRY(efi_pe_entry)
 	add	%esi, 88(%eax)
 	pushl	%eax
 
+	movl	%esi, %ebx
+	FIXUP_GOT
+
 	call	make_boot_params
 	cmpl	$0, %eax
 	je	fail
@@ -81,6 +111,10 @@ ENTRY(efi32_stub_entry)
 	leal	efi32_config(%esi), %eax
 	add	%esi, 88(%eax)
 	pushl	%eax
+
+	movl	%esi, %ebx
+	FIXUP_GOT
+
 2:
 	call	efi_main
 	cmpl	$0, %eax
@@ -190,19 +224,7 @@ relocated:
 	shrl	$2, %ecx
 	rep	stosl
 
-/*
- * Adjust our own GOT
- */
-	leal	_got(%ebx), %edx
-	leal	_egot(%ebx), %ecx
-1:
-	cmpl	%ecx, %edx
-	jae	2f
-	addl	%ebx, (%edx)
-	addl	$4, %edx
-	jmp	1b
-2:
-
+	FIXUP_GOT
 /*
  * Do the decompression, and jump to the new kernel..
  */
@@ -225,8 +247,12 @@ relocated:
 	xorl	%ebx, %ebx
 	jmp	*%eax
 
-#ifdef CONFIG_EFI_STUB
 	.data
+/* Have we relocated the GOT? */
+got_fixed:
+	.byte 0
+
+#ifdef CONFIG_EFI_STUB
 efi32_config:
 	.fill 11,8,0
 	.long efi_call_phys

arch/x86/boot/compressed/head_64.S

@@ -32,6 +32,33 @@
 #include <asm/processor-flags.h>
 #include <asm/asm-offsets.h>
 
+/*
+ * Adjust our own GOT
+ *
+ * The relocation base must be in %rbx
+ *
+ * It is safe to call this macro more than once, because in some of the
+ * code paths multiple invocations are inevitable, e.g. via the efi*
+ * entry points.
+ *
+ * Relocation is only performed the first time.
+ */
+.macro FIXUP_GOT
+	cmpb	$1, got_fixed(%rip)
+	je	2f
+
+	leaq	_got(%rip), %rdx
+	leaq	_egot(%rip), %rcx
+1:
+	cmpq	%rcx, %rdx
+	jae	2f
+	addq	%rbx, (%rdx)
+	addq	$8, %rdx
+	jmp	1b
+2:
+	movb	$1, got_fixed(%rip)
+.endm
+
 	__HEAD
 	.code32
 ENTRY(startup_32)
@@ -252,10 +279,13 @@ ENTRY(efi_pe_entry)
 	subq	$1b, %rbp
 
 	/*
-	 * Relocate efi_config->call().
+	 * Relocate efi_config->call() and the GOT entries.
 	 */
 	addq	%rbp, efi64_config+88(%rip)
 
+	movq	%rbp, %rbx
+	FIXUP_GOT
+
 	movq	%rax, %rdi
 	call	make_boot_params
 	cmpq	$0,%rax
@@ -271,10 +301,13 @@ handover_entry:
 	subq	$1b, %rbp
 
 	/*
-	 * Relocate efi_config->call().
+	 * Relocate efi_config->call() and the GOT entries.
 	 */
 	movq	efi_config(%rip), %rax
 	addq	%rbp, 88(%rax)
+
+	movq	%rbp, %rbx
+	FIXUP_GOT
 2:
 	movq	efi_config(%rip), %rdi
 	call	efi_main
@@ -385,19 +418,8 @@ relocated:
 	shrq	$3, %rcx
 	rep	stosq
 
-/*
- * Adjust our own GOT
- */
-	leaq	_got(%rip), %rdx
-	leaq	_egot(%rip), %rcx
-1:
-	cmpq	%rcx, %rdx
-	jae	2f
-	addq	%rbx, (%rdx)
-	addq	$8, %rdx
-	jmp	1b
-2:
-	
+	FIXUP_GOT
+
 /*
  * Do the decompression, and jump to the new kernel..
  */
@@ -437,6 +459,10 @@ gdt:
 	.quad   0x0000000000000000	/* TS continued */
 gdt_end:
 
+/* Have we relocated the GOT? */
+got_fixed:
+	.byte	0
+
 #ifdef CONFIG_EFI_STUB
 efi_config:
 	.quad	0

arch/x86/include/asm/io_apic.h

@@ -239,6 +239,7 @@ static inline int mp_find_ioapic(u32 gsi) { return 0; }
 static inline u32 mp_pin_to_gsi(int ioapic, int pin) { return UINT_MAX; }
 static inline int mp_map_gsi_to_irq(u32 gsi, unsigned int flags) { return gsi; }
 static inline void mp_unmap_irq(int irq) { }
+static inline bool mp_should_keep_irq(struct device *dev) { return 1; }
 
 static inline int save_ioapic_entries(void)
 {

arch/x86/kernel/kprobes/opt.c

@@ -338,8 +338,10 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
 	 * a relative jump.
 	 */
 	rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE;
-	if (abs(rel) > 0x7fffffff)
+	if (abs(rel) > 0x7fffffff) {
+		__arch_remove_optimized_kprobe(op, 0);
 		return -ERANGE;
+	}
 
 	buf = (u8 *)op->optinsn.insn;
 

arch/x86/mm/dump_pagetables.c

@@ -48,7 +48,9 @@ enum address_markers_idx {
 	LOW_KERNEL_NR,
 	VMALLOC_START_NR,
 	VMEMMAP_START_NR,
+# ifdef CONFIG_X86_ESPFIX64
 	ESPFIX_START_NR,
+# endif
 	HIGH_KERNEL_NR,
 	MODULES_VADDR_NR,
 	MODULES_END_NR,
@@ -71,7 +73,9 @@ static struct addr_marker address_markers[] = {
 	{ PAGE_OFFSET,		"Low Kernel Mapping" },
 	{ VMALLOC_START,        "vmalloc() Area" },
 	{ VMEMMAP_START,        "Vmemmap" },
+# ifdef CONFIG_X86_ESPFIX64
 	{ ESPFIX_BASE_ADDR,	"ESPfix Area", 16 },
+# endif
 	{ __START_KERNEL_map,   "High Kernel Mapping" },
 	{ MODULES_VADDR,        "Modules" },
 	{ MODULES_END,          "End Modules" },

arch/x86/mm/mmap.c

@@ -31,7 +31,7 @@
 #include <linux/sched.h>
 #include <asm/elf.h>
 
-struct __read_mostly va_alignment va_align = {
+struct va_alignment __read_mostly va_align = {
 	.flags = -1,
 };
 

arch/x86/pci/fixup.c

@@ -326,27 +326,6 @@ static void pci_fixup_video(struct pci_dev *pdev)
 	struct pci_bus *bus;
 	u16 config;
 
-	if (!vga_default_device()) {
-		resource_size_t start, end;
-		int i;
-
-		/* Does firmware framebuffer belong to us? */
-		for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
-			if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM))
-				continue;
-
-			start = pci_resource_start(pdev, i);
-			end  = pci_resource_end(pdev, i);
-
-			if (!start || !end)
-				continue;
-
-			if (screen_info.lfb_base >= start &&
-			    (screen_info.lfb_base + screen_info.lfb_size) < end)
-				vga_set_default_device(pdev);
-		}
-	}
-
 	/* Is VGA routed to us? */
 	bus = pdev->bus;
 	while (bus) {
@@ -371,8 +350,7 @@ static void pci_fixup_video(struct pci_dev *pdev)
 		pci_read_config_word(pdev, PCI_COMMAND, &config);
 		if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
 			pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
-			dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n");
-			vga_set_default_device(pdev);
+			dev_printk(KERN_DEBUG, &pdev->dev, "Video device with shadowed ROM\n");
 		}
 	}
 }

crypto/drbg.c

@@ -1922,9 +1922,6 @@ static inline int __init drbg_healthcheck_sanity(void)
 	/* overflow max addtllen with personalization string */
 	ret = drbg_instantiate(drbg, &addtl, coreref, pr);
 	BUG_ON(0 == ret);
-	/* test uninstantated DRBG */
-	len = drbg_generate(drbg, buf, (max_request_bytes + 1), NULL);
-	BUG_ON(0 < len);
 	/* all tests passed */
 	rc = 0;
 

drivers/acpi/bus.c

@@ -177,16 +177,6 @@ void acpi_bus_detach_private_data(acpi_handle handle)
 }
 EXPORT_SYMBOL_GPL(acpi_bus_detach_private_data);
 
-void acpi_bus_no_hotplug(acpi_handle handle)
-{
-	struct acpi_device *adev = NULL;
-
-	acpi_bus_get_device(handle, &adev);
-	if (adev)
-		adev->flags.no_hotplug = true;
-}
-EXPORT_SYMBOL_GPL(acpi_bus_no_hotplug);
-
 static void acpi_print_osc_error(acpi_handle handle,
 	struct acpi_osc_context *context, char *error)
 {

drivers/base/regmap/regmap-debugfs.c

@@ -512,7 +512,14 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
 			    map, &regmap_reg_ranges_fops);
 
 	if (map->max_register || regmap_readable(map, 0)) {
-		debugfs_create_file("registers", 0400, map->debugfs,
+		umode_t registers_mode;
+
+		if (IS_ENABLED(REGMAP_ALLOW_WRITE_DEBUGFS))
+			registers_mode = 0600;
+		else
+			registers_mode = 0400;
+
+		debugfs_create_file("registers", registers_mode, map->debugfs,
 				    map, &regmap_map_fops);
 		debugfs_create_file("access", 0400, map->debugfs,
 				    map, &regmap_access_fops);

drivers/char/hw_random/virtio-rng.c

@@ -36,6 +36,7 @@ struct virtrng_info {
 	int index;
 	bool busy;
 	bool hwrng_register_done;
+	bool hwrng_removed;
 };
 
 
@@ -68,6 +69,9 @@ static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait)
 	int ret;
 	struct virtrng_info *vi = (struct virtrng_info *)rng->priv;
 
+	if (vi->hwrng_removed)
+		return -ENODEV;
+
 	if (!vi->busy) {
 		vi->busy = true;
 		init_completion(&vi->have_data);
@@ -137,6 +141,9 @@ static void remove_common(struct virtio_device *vdev)
 {
 	struct virtrng_info *vi = vdev->priv;
 
+	vi->hwrng_removed = true;
+	vi->data_avail = 0;
+	complete(&vi->have_data);
 	vdev->config->reset(vdev);
 	vi->busy = false;
 	if (vi->hwrng_register_done)

drivers/firmware/efi/libstub/fdt.c

@@ -22,7 +22,7 @@ efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
 			unsigned long map_size, unsigned long desc_size,
 			u32 desc_ver)
 {
-	int node, prev;
+	int node, prev, num_rsv;
 	int status;
 	u32 fdt_val32;
 	u64 fdt_val64;
@@ -73,6 +73,14 @@ efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
 		prev = node;
 	}
 
+	/*
+	 * Delete all memory reserve map entries. When booting via UEFI,
+	 * kernel will use the UEFI memory map to find reserved regions.
+	 */
+	num_rsv = fdt_num_mem_rsv(fdt);
+	while (num_rsv-- > 0)
+		fdt_del_mem_rsv(fdt, num_rsv);
+
 	node = fdt_subnode_offset(fdt, 0, "chosen");
 	if (node < 0) {
 		node = fdt_add_subnode(fdt, 0, "chosen");

drivers/gpu/drm/bochs/bochs_kms.c

@@ -250,6 +250,7 @@ static void bochs_connector_init(struct drm_device *dev)
 			   DRM_MODE_CONNECTOR_VIRTUAL);
 	drm_connector_helper_add(connector,
 				 &bochs_connector_connector_helper_funcs);
+	drm_connector_register(connector);
 }
 
 

drivers/gpu/drm/cirrus/cirrus_mode.c

@@ -555,6 +555,7 @@ static struct drm_connector *cirrus_vga_init(struct drm_device *dev)
 
 	drm_connector_helper_add(connector, &cirrus_vga_connector_helper_funcs);
 
+	drm_connector_register(connector);
 	return connector;
 }
 

drivers/gpu/drm/i915/intel_dp.c

@@ -1631,6 +1631,10 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
 
 	pipe_config->adjusted_mode.flags |= flags;
 
+	if (!HAS_PCH_SPLIT(dev) && !IS_VALLEYVIEW(dev) &&
+	    tmp & DP_COLOR_RANGE_16_235)
+		pipe_config->limited_color_range = true;
+
 	pipe_config->has_dp_encoder = true;
 
 	intel_dp_get_m_n(crtc, pipe_config);

drivers/gpu/drm/i915/intel_hdmi.c

@@ -712,7 +712,8 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
 				  struct intel_crtc_config *pipe_config)
 {
 	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
-	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 tmp, flags = 0;
 	int dotclock;
 
@@ -734,6 +735,10 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
 	if (tmp & HDMI_MODE_SELECT_HDMI)
 		pipe_config->has_audio = true;
 
+	if (!HAS_PCH_SPLIT(dev) &&
+	    tmp & HDMI_COLOR_RANGE_16_235)
+		pipe_config->limited_color_range = true;
+
 	pipe_config->adjusted_mode.flags |= flags;
 
 	if ((tmp & SDVO_COLOR_FORMAT_MASK) == HDMI_COLOR_FORMAT_12bpc)

drivers/gpu/drm/i915/intel_ringbuffer.c

@@ -1400,7 +1400,7 @@ i830_dispatch_execbuffer(struct intel_engine_cs *ring,
 		 */
 		intel_ring_emit(ring, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA);
 		intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096);
-		intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 1024);
+		intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 4096);
 		intel_ring_emit(ring, cs_offset);
 		intel_ring_emit(ring, 4096);
 		intel_ring_emit(ring, offset);

drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c

@@ -200,7 +200,6 @@ nvc0_bar_init(struct nouveau_object *object)
 
 	nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
 	nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
-	nv_mask(priv, 0x100c80, 0x00000001, 0x00000000);
 
 	nv_wr32(priv, 0x001704, 0x80000000 | priv->bar[1].mem->addr >> 12);
 	if (priv->bar[0].mem)

drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c

@@ -60,6 +60,7 @@ nvc0_fb_init(struct nouveau_object *object)
 
 	if (priv->r100c10_page)
 		nv_wr32(priv, 0x100c10, priv->r100c10 >> 8);
+	nv_mask(priv, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */
 	return 0;
 }
 

drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c

@@ -98,6 +98,7 @@ static int
 gf100_ltc_init(struct nouveau_object *object)
 {
 	struct nvkm_ltc_priv *priv = (void *)object;
+	u32 lpg128 = !(nv_rd32(priv, 0x100c80) & 0x00000001);
 	int ret;
 
 	ret = nvkm_ltc_init(priv);
@@ -107,6 +108,7 @@ gf100_ltc_init(struct nouveau_object *object)
 	nv_mask(priv, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */
 	nv_wr32(priv, 0x17e8d8, priv->ltc_nr);
 	nv_wr32(priv, 0x17e8d4, priv->tag_base);
+	nv_mask(priv, 0x17e8c0, 0x00000002, lpg128 ? 0x00000002 : 0x00000000);
 	return 0;
 }
 

drivers/gpu/drm/nouveau/core/subdev/ltc/gk104.c

@@ -28,6 +28,7 @@ static int
 gk104_ltc_init(struct nouveau_object *object)
 {
 	struct nvkm_ltc_priv *priv = (void *)object;
+	u32 lpg128 = !(nv_rd32(priv, 0x100c80) & 0x00000001);
 	int ret;
 
 	ret = nvkm_ltc_init(priv);
@@ -37,6 +38,7 @@ gk104_ltc_init(struct nouveau_object *object)
 	nv_wr32(priv, 0x17e8d8, priv->ltc_nr);
 	nv_wr32(priv, 0x17e000, priv->ltc_nr);
 	nv_wr32(priv, 0x17e8d4, priv->tag_base);
+	nv_mask(priv, 0x17e8c0, 0x00000002, lpg128 ? 0x00000002 : 0x00000000);
 	return 0;
 }
 

drivers/gpu/drm/nouveau/core/subdev/ltc/gm107.c

@@ -98,6 +98,7 @@ static int
 gm107_ltc_init(struct nouveau_object *object)
 {
 	struct nvkm_ltc_priv *priv = (void *)object;
+	u32 lpg128 = !(nv_rd32(priv, 0x100c80) & 0x00000001);
 	int ret;
 
 	ret = nvkm_ltc_init(priv);
@@ -106,6 +107,7 @@ gm107_ltc_init(struct nouveau_object *object)
 
 	nv_wr32(priv, 0x17e27c, priv->ltc_nr);
 	nv_wr32(priv, 0x17e278, priv->tag_base);
+	nv_mask(priv, 0x17e264, 0x00000002, lpg128 ? 0x00000002 : 0x00000000);
 	return 0;
 }
 

drivers/gpu/drm/nouveau/nouveau_acpi.c

@@ -46,7 +46,6 @@ static struct nouveau_dsm_priv {
 	bool dsm_detected;
 	bool optimus_detected;
 	acpi_handle dhandle;
-	acpi_handle other_handle;
 	acpi_handle rom_handle;
 } nouveau_dsm_priv;
 
@@ -222,10 +221,9 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev)
 	if (!dhandle)
 		return false;
 
-	if (!acpi_has_method(dhandle, "_DSM")) {
-		nouveau_dsm_priv.other_handle = dhandle;
+	if (!acpi_has_method(dhandle, "_DSM"))
 		return false;
-	}
+
 	if (acpi_check_dsm(dhandle, nouveau_dsm_muid, 0x00000102,
 			   1 << NOUVEAU_DSM_POWER))
 		retval |= NOUVEAU_DSM_HAS_MUX;
@@ -301,16 +299,6 @@ static bool nouveau_dsm_detect(void)
 		printk(KERN_INFO "VGA switcheroo: detected DSM switching method %s handle\n",
 			acpi_method_name);
 		nouveau_dsm_priv.dsm_detected = true;
-		/*
-		 * On some systems hotplug events are generated for the device
-		 * being switched off when _DSM is executed.  They cause ACPI
-		 * hotplug to trigger and attempt to remove the device from
-		 * the system, which causes it to break down.  Prevent that from
-		 * happening by setting the no_hotplug flag for the involved
-		 * ACPI device objects.
-		 */
-		acpi_bus_no_hotplug(nouveau_dsm_priv.dhandle);
-		acpi_bus_no_hotplug(nouveau_dsm_priv.other_handle);
 		ret = true;
 	}
 

drivers/gpu/drm/nouveau/nouveau_drm.c

@@ -627,6 +627,7 @@ int nouveau_pmops_suspend(struct device *dev)
 
 	pci_save_state(pdev);
 	pci_disable_device(pdev);
+	pci_ignore_hotplug(pdev);
 	pci_set_power_state(pdev, PCI_D3hot);
 	return 0;
 }

drivers/gpu/drm/nouveau/nouveau_vga.c

@@ -108,7 +108,16 @@ void
 nouveau_vga_fini(struct nouveau_drm *drm)
 {
 	struct drm_device *dev = drm->dev;
+	bool runtime = false;
+
+	if (nouveau_runtime_pm == 1)
+		runtime = true;
+	if ((nouveau_runtime_pm == -1) && (nouveau_is_optimus() || nouveau_is_v1_dsm()))
+		runtime = true;
+
 	vga_switcheroo_unregister_client(dev->pdev);
+	if (runtime && nouveau_is_v1_dsm() && !nouveau_is_optimus())
+		vga_switcheroo_fini_domain_pm_ops(drm->dev->dev);
 	vga_client_register(dev->pdev, NULL, NULL, NULL);
 }
 

drivers/gpu/drm/radeon/cik_sdma.c

@@ -489,13 +489,6 @@ int cik_sdma_resume(struct radeon_device *rdev)
 {
 	int r;
 
-	/* Reset dma */
-	WREG32(SRBM_SOFT_RESET, SOFT_RESET_SDMA | SOFT_RESET_SDMA1);
-	RREG32(SRBM_SOFT_RESET);
-	udelay(50);
-	WREG32(SRBM_SOFT_RESET, 0);
-	RREG32(SRBM_SOFT_RESET);
-
 	r = cik_sdma_load_microcode(rdev);
 	if (r)
 		return r;

drivers/gpu/drm/radeon/kv_dpm.c

@@ -33,6 +33,8 @@
 #define KV_MINIMUM_ENGINE_CLOCK         800
 #define SMC_RAM_END                     0x40000
 
+static int kv_enable_nb_dpm(struct radeon_device *rdev,
+			    bool enable);
 static void kv_init_graphics_levels(struct radeon_device *rdev);
 static int kv_calculate_ds_divider(struct radeon_device *rdev);
 static int kv_calculate_nbps_level_settings(struct radeon_device *rdev);
@@ -1295,6 +1297,9 @@ void kv_dpm_disable(struct radeon_device *rdev)
 {
 	kv_smc_bapm_enable(rdev, false);
 
+	if (rdev->family == CHIP_MULLINS)
+		kv_enable_nb_dpm(rdev, false);
+
 	/* powerup blocks */
 	kv_dpm_powergate_acp(rdev, false);
 	kv_dpm_powergate_samu(rdev, false);
@@ -1769,15 +1774,24 @@ static int kv_update_dfs_bypass_settings(struct radeon_device *rdev,
 	return ret;
 }
 
-static int kv_enable_nb_dpm(struct radeon_device *rdev)
+static int kv_enable_nb_dpm(struct radeon_device *rdev,
+			    bool enable)
 {
 	struct kv_power_info *pi = kv_get_pi(rdev);
 	int ret = 0;
 
-	if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
-		ret = kv_notify_message_to_smu(rdev, PPSMC_MSG_NBDPM_Enable);
-		if (ret == 0)
-			pi->nb_dpm_enabled = true;
+	if (enable) {
+		if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
+			ret = kv_notify_message_to_smu(rdev, PPSMC_MSG_NBDPM_Enable);
+			if (ret == 0)
+				pi->nb_dpm_enabled = true;
+		}
+	} else {
+		if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
+			ret = kv_notify_message_to_smu(rdev, PPSMC_MSG_NBDPM_Disable);
+			if (ret == 0)
+				pi->nb_dpm_enabled = false;
+		}
 	}
 
 	return ret;
@@ -1864,7 +1878,7 @@ int kv_dpm_set_power_state(struct radeon_device *rdev)
 			}
 			kv_update_sclk_t(rdev);
 			if (rdev->family == CHIP_MULLINS)
-				kv_enable_nb_dpm(rdev);
+				kv_enable_nb_dpm(rdev, true);
 		}
 	} else {
 		if (pi->enable_dpm) {
@@ -1889,7 +1903,7 @@ int kv_dpm_set_power_state(struct radeon_device *rdev)
 			}
 			kv_update_acp_boot_level(rdev);
 			kv_update_sclk_t(rdev);
-			kv_enable_nb_dpm(rdev);
+			kv_enable_nb_dpm(rdev, true);
 		}
 	}
 

drivers/gpu/drm/radeon/ni_dma.c

@@ -191,12 +191,6 @@ int cayman_dma_resume(struct radeon_device *rdev)
 	u32 reg_offset, wb_offset;
 	int i, r;
 
-	/* Reset dma */
-	WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1);
-	RREG32(SRBM_SOFT_RESET);
-	udelay(50);
-	WREG32(SRBM_SOFT_RESET, 0);
-
 	for (i = 0; i < 2; i++) {
 		if (i == 0) {
 			ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];

drivers/gpu/drm/radeon/r100.c

@@ -821,6 +821,20 @@ u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 		return RREG32(RADEON_CRTC2_CRNT_FRAME);
 }
 
+/**
+ * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
+ * rdev: radeon device structure
+ * ring: ring buffer struct for emitting packets
+ */
+static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
+	radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
+				RADEON_HDP_READ_BUFFER_INVALIDATE);
+	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
+	radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
+}
+
 /* Who ever call radeon_fence_emit should call ring_lock and ask
  * for enough space (today caller are ib schedule and buffer move) */
 void r100_fence_ring_emit(struct radeon_device *rdev,
@@ -1056,20 +1070,6 @@ void r100_gfx_set_wptr(struct radeon_device *rdev,
 	(void)RREG32(RADEON_CP_RB_WPTR);
 }
 
-/**
- * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
- * rdev: radeon device structure
- * ring: ring buffer struct for emitting packets
- */
-void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
-{
-	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
-	radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
-				RADEON_HDP_READ_BUFFER_INVALIDATE);
-	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
-	radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
-}
-
 static void r100_cp_load_microcode(struct radeon_device *rdev)
 {
 	const __be32 *fw_data;

drivers/gpu/drm/radeon/r600_dma.c

@@ -124,15 +124,6 @@ int r600_dma_resume(struct radeon_device *rdev)
 	u32 rb_bufsz;
 	int r;
 
-	/* Reset dma */
-	if (rdev->family >= CHIP_RV770)
-		WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA);
-	else
-		WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA);
-	RREG32(SRBM_SOFT_RESET);
-	udelay(50);
-	WREG32(SRBM_SOFT_RESET, 0);
-
 	WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL, 0);
 	WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL, 0);
 

drivers/gpu/drm/radeon/r600d.h

@@ -44,13 +44,6 @@
 #define R6XX_MAX_PIPES				8
 #define R6XX_MAX_PIPES_MASK			0xff
 
-/* PTE flags */
-#define PTE_VALID				(1 << 0)
-#define PTE_SYSTEM				(1 << 1)
-#define PTE_SNOOPED				(1 << 2)
-#define PTE_READABLE				(1 << 5)
-#define PTE_WRITEABLE				(1 << 6)
-
 /* tiling bits */
 #define     ARRAY_LINEAR_GENERAL              0x00000000
 #define     ARRAY_LINEAR_ALIGNED              0x00000001

drivers/gpu/drm/radeon/radeon_asic.c

@@ -185,7 +185,6 @@ static struct radeon_asic_ring r100_gfx_ring = {
 	.get_rptr = &r100_gfx_get_rptr,
 	.get_wptr = &r100_gfx_get_wptr,
 	.set_wptr = &r100_gfx_set_wptr,
-	.hdp_flush = &r100_ring_hdp_flush,
 };
 
 static struct radeon_asic r100_asic = {
@@ -332,7 +331,6 @@ static struct radeon_asic_ring r300_gfx_ring = {
 	.get_rptr = &r100_gfx_get_rptr,
 	.get_wptr = &r100_gfx_get_wptr,
 	.set_wptr = &r100_gfx_set_wptr,
-	.hdp_flush = &r100_ring_hdp_flush,
 };
 
 static struct radeon_asic r300_asic = {

drivers/gpu/drm/radeon/radeon_asic.h

@@ -148,8 +148,7 @@ u32 r100_gfx_get_wptr(struct radeon_device *rdev,
 		      struct radeon_ring *ring);
 void r100_gfx_set_wptr(struct radeon_device *rdev,
 		       struct radeon_ring *ring);
-void r100_ring_hdp_flush(struct radeon_device *rdev,
-			 struct radeon_ring *ring);
+
 /*
  * r200,rv250,rs300,rv280
  */

drivers/gpu/drm/radeon/radeon_atpx_handler.c

@@ -33,7 +33,6 @@ static struct radeon_atpx_priv {
 	bool atpx_detected;
 	/* handle for device - and atpx */
 	acpi_handle dhandle;
-	acpi_handle other_handle;
 	struct radeon_atpx atpx;
 } radeon_atpx_priv;
 
@@ -453,10 +452,9 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
 		return false;
 
 	status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
-	if (ACPI_FAILURE(status)) {
-		radeon_atpx_priv.other_handle = dhandle;
+	if (ACPI_FAILURE(status))
 		return false;
-	}
+
 	radeon_atpx_priv.dhandle = dhandle;
 	radeon_atpx_priv.atpx.handle = atpx_handle;
 	return true;
@@ -540,16 +538,6 @@ static bool radeon_atpx_detect(void)
 		printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n",
 		       acpi_method_name);
 		radeon_atpx_priv.atpx_detected = true;
-		/*
-		 * On some systems hotplug events are generated for the device
-		 * being switched off when ATPX is executed.  They cause ACPI
-		 * hotplug to trigger and attempt to remove the device from
-		 * the system, which causes it to break down.  Prevent that from
-		 * happening by setting the no_hotplug flag for the involved
-		 * ACPI device objects.
-		 */
-		acpi_bus_no_hotplug(radeon_atpx_priv.dhandle);
-		acpi_bus_no_hotplug(radeon_atpx_priv.other_handle);
 		return true;
 	}
 	return false;

drivers/gpu/drm/radeon/radeon_device.c

@@ -1393,7 +1393,7 @@ int radeon_device_init(struct radeon_device *rdev,
 
 	r = radeon_init(rdev);
 	if (r)
-		return r;
+		goto failed;
 
 	r = radeon_ib_ring_tests(rdev);
 	if (r)
@@ -1413,7 +1413,7 @@ int radeon_device_init(struct radeon_device *rdev,
 		radeon_agp_disable(rdev);
 		r = radeon_init(rdev);
 		if (r)
-			return r;
+			goto failed;
 	}
 
 	if ((radeon_testing & 1)) {
@@ -1435,6 +1435,11 @@ int radeon_device_init(struct radeon_device *rdev,
 			DRM_INFO("radeon: acceleration disabled, skipping benchmarks\n");
 	}
 	return 0;
+
+failed:
+	if (runtime)
+		vga_switcheroo_fini_domain_pm_ops(rdev->dev);
+	return r;
 }
 
 static void radeon_debugfs_remove_files(struct radeon_device *rdev);
@@ -1455,6 +1460,8 @@ void radeon_device_fini(struct radeon_device *rdev)
 	radeon_bo_evict_vram(rdev);
 	radeon_fini(rdev);
 	vga_switcheroo_unregister_client(rdev->pdev);
+	if (rdev->flags & RADEON_IS_PX)
+		vga_switcheroo_fini_domain_pm_ops(rdev->dev);
 	vga_client_register(rdev->pdev, NULL, NULL, NULL);
 	if (rdev->rio_mem)
 		pci_iounmap(rdev->pdev, rdev->rio_mem);

drivers/gpu/drm/radeon/radeon_drv.c

@@ -83,7 +83,7 @@
  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
  *   2.39.0 - Add INFO query for number of active CUs
  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
- *            CS to GPU
+ *            CS to GPU on >= r600
  */
 #define KMS_DRIVER_MAJOR	2
 #define KMS_DRIVER_MINOR	40
@@ -440,6 +440,7 @@ static int radeon_pmops_runtime_suspend(struct device *dev)
 	ret = radeon_suspend_kms(drm_dev, false, false);
 	pci_save_state(pdev);
 	pci_disable_device(pdev);
+	pci_ignore_hotplug(pdev);
 	pci_set_power_state(pdev, PCI_D3cold);
 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
 

drivers/gpu/drm/radeon/rs400.c

@@ -221,9 +221,9 @@ void rs400_gart_set_page(struct radeon_device *rdev, unsigned i,
 	entry = (lower_32_bits(addr) & PAGE_MASK) |
 		((upper_32_bits(addr) & 0xff) << 4);
 	if (flags & RADEON_GART_PAGE_READ)
-		addr |= RS400_PTE_READABLE;
+		entry |= RS400_PTE_READABLE;
 	if (flags & RADEON_GART_PAGE_WRITE)
-		addr |= RS400_PTE_WRITEABLE;
+		entry |= RS400_PTE_WRITEABLE;
 	if (!(flags & RADEON_GART_PAGE_SNOOP))
 		entry |= RS400_PTE_UNSNOOPED;
 	entry = cpu_to_le32(entry);

drivers/gpu/drm/sti/sti_hdmi.c

@@ -298,7 +298,6 @@ static int hdmi_avi_infoframe_config(struct sti_hdmi *hdmi)
 	hdmi_write(hdmi, val, HDMI_SW_DI_N_PKT_WORD2(HDMI_IFRAME_SLOT_AVI));
 
 	val = frame[0xC];
-	val |= frame[0xD] << 8;
 	hdmi_write(hdmi, val, HDMI_SW_DI_N_PKT_WORD3(HDMI_IFRAME_SLOT_AVI));
 
 	/* Enable transmission slot for AVI infoframe

drivers/gpu/vga/vga_switcheroo.c

@@ -660,6 +660,12 @@ int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *
 }
 EXPORT_SYMBOL(vga_switcheroo_init_domain_pm_ops);
 
+void vga_switcheroo_fini_domain_pm_ops(struct device *dev)
+{
+	dev->pm_domain = NULL;
+}
+EXPORT_SYMBOL(vga_switcheroo_fini_domain_pm_ops);
+
 static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);

drivers/gpu/vga/vgaarb.c

@@ -41,6 +41,7 @@
 #include <linux/poll.h>
 #include <linux/miscdevice.h>
 #include <linux/slab.h>
+#include <linux/screen_info.h>
 
 #include <linux/uaccess.h>
 
@@ -112,10 +113,8 @@ static int vga_str_to_iostate(char *buf, int str_size, int *io_state)
 	return 1;
 }
 
-#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
 /* this is only used a cookie - it should not be dereferenced */
 static struct pci_dev *vga_default;
-#endif
 
 static void vga_arb_device_card_gone(struct pci_dev *pdev);
 
@@ -131,7 +130,6 @@ static struct vga_device *vgadev_find(struct pci_dev *pdev)
 }
 
 /* Returns the default VGA device (vgacon's babe) */
-#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
 struct pci_dev *vga_default_device(void)
 {
 	return vga_default;
@@ -147,7 +145,6 @@ void vga_set_default_device(struct pci_dev *pdev)
 	pci_dev_put(vga_default);
 	vga_default = pci_dev_get(pdev);
 }
-#endif
 
 static inline void vga_irq_set_state(struct vga_device *vgadev, bool state)
 {
@@ -583,11 +580,12 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
 	/* Deal with VGA default device. Use first enabled one
 	 * by default if arch doesn't have it's own hook
 	 */
-#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
 	if (vga_default == NULL &&
-	    ((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK))
+	    ((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK)) {
+		pr_info("vgaarb: setting as boot device: PCI:%s\n",
+			pci_name(pdev));
 		vga_set_default_device(pdev);
-#endif
+	}
 
 	vga_arbiter_check_bridge_sharing(vgadev);
 
@@ -621,10 +619,8 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
 		goto bail;
 	}
 
-#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
 	if (vga_default == pdev)
 		vga_set_default_device(NULL);
-#endif
 
 	if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM))
 		vga_decode_count--;
@@ -1320,6 +1316,38 @@ static int __init vga_arb_device_init(void)
 	pr_info("vgaarb: loaded\n");
 
 	list_for_each_entry(vgadev, &vga_list, list) {
+#if defined(CONFIG_X86) || defined(CONFIG_IA64)
+		/* Override I/O based detection done by vga_arbiter_add_pci_device()
+		 * as it may take the wrong device (e.g. on Apple system under EFI).
+		 *
+		 * Select the device owning the boot framebuffer if there is one.
+		 */
+		resource_size_t start, end;
+		int i;
+
+		/* Does firmware framebuffer belong to us? */
+		for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+			if (!(pci_resource_flags(vgadev->pdev, i) & IORESOURCE_MEM))
+				continue;
+
+			start = pci_resource_start(vgadev->pdev, i);
+			end  = pci_resource_end(vgadev->pdev, i);
+
+			if (!start || !end)
+				continue;
+
+			if (screen_info.lfb_base < start ||
+			    (screen_info.lfb_base + screen_info.lfb_size) >= end)
+				continue;
+			if (!vga_default_device())
+				pr_info("vgaarb: setting as boot device: PCI:%s\n",
+					pci_name(vgadev->pdev));
+			else if (vgadev->pdev != vga_default_device())
+				pr_info("vgaarb: overriding boot device: PCI:%s\n",
+					pci_name(vgadev->pdev));
+			vga_set_default_device(vgadev->pdev);
+		}
+#endif
 		if (vgadev->bridge_has_one_vga)
 			pr_info("vgaarb: bridge control possible %s\n", pci_name(vgadev->pdev));
 		else

drivers/iio/accel/bma180.c

@@ -571,7 +571,7 @@ static int bma180_probe(struct i2c_client *client,
 	trig->ops = &bma180_trigger_ops;
 	iio_trigger_set_drvdata(trig, indio_dev);
 	data->trig = trig;
-	indio_dev->trig = trig;
+	indio_dev->trig = iio_trigger_get(trig);
 
 	ret = iio_trigger_register(trig);
 	if (ret)

drivers/iio/adc/ad_sigma_delta.c

@@ -472,7 +472,7 @@ static int ad_sd_probe_trigger(struct iio_dev *indio_dev)
 		goto error_free_irq;
 
 	/* select default trigger */
-	indio_dev->trig = sigma_delta->trig;
+	indio_dev->trig = iio_trigger_get(sigma_delta->trig);
 
 	return 0;
 

drivers/iio/adc/at91_adc.c

@@ -196,6 +196,7 @@ struct at91_adc_state {
 	bool			done;
 	int			irq;
 	u16			last_value;
+	int			chnb;
 	struct mutex		lock;
 	u8			num_channels;
 	void __iomem		*reg_base;
@@ -274,7 +275,7 @@ void handle_adc_eoc_trigger(int irq, struct iio_dev *idev)
 		disable_irq_nosync(irq);
 		iio_trigger_poll(idev->trig);
 	} else {
-		st->last_value = at91_adc_readl(st, AT91_ADC_LCDR);
+		st->last_value = at91_adc_readl(st, AT91_ADC_CHAN(st, st->chnb));
 		st->done = true;
 		wake_up_interruptible(&st->wq_data_avail);
 	}
@@ -351,7 +352,7 @@ static irqreturn_t at91_adc_rl_interrupt(int irq, void *private)
 	unsigned int reg;
 
 	status &= at91_adc_readl(st, AT91_ADC_IMR);
-	if (status & st->registers->drdy_mask)
+	if (status & GENMASK(st->num_channels - 1, 0))
 		handle_adc_eoc_trigger(irq, idev);
 
 	if (status & AT91RL_ADC_IER_PEN) {
@@ -418,7 +419,7 @@ static irqreturn_t at91_adc_9x5_interrupt(int irq, void *private)
 		AT91_ADC_IER_YRDY |
 		AT91_ADC_IER_PRDY;
 
-	if (status & st->registers->drdy_mask)
+	if (status & GENMASK(st->num_channels - 1, 0))
 		handle_adc_eoc_trigger(irq, idev);
 
 	if (status & AT91_ADC_IER_PEN) {
@@ -689,9 +690,10 @@ static int at91_adc_read_raw(struct iio_dev *idev,
 	case IIO_CHAN_INFO_RAW:
 		mutex_lock(&st->lock);
 
+		st->chnb = chan->channel;
 		at91_adc_writel(st, AT91_ADC_CHER,
 				AT91_ADC_CH(chan->channel));
-		at91_adc_writel(st, AT91_ADC_IER, st->registers->drdy_mask);
+		at91_adc_writel(st, AT91_ADC_IER, BIT(chan->channel));
 		at91_adc_writel(st, AT91_ADC_CR, AT91_ADC_START);
 
 		ret = wait_event_interruptible_timeout(st->wq_data_avail,
@@ -708,7 +710,7 @@ static int at91_adc_read_raw(struct iio_dev *idev,
 
 		at91_adc_writel(st, AT91_ADC_CHDR,
 				AT91_ADC_CH(chan->channel));
-		at91_adc_writel(st, AT91_ADC_IDR, st->registers->drdy_mask);
+		at91_adc_writel(st, AT91_ADC_IDR, BIT(chan->channel));
 
 		st->last_value = 0;
 		st->done = false;

drivers/iio/adc/xilinx-xadc-core.c

@@ -1126,7 +1126,7 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np,
 				chan->address = XADC_REG_VPVN;
 			} else {
 				chan->scan_index = 15 + reg;
-				chan->scan_index = XADC_REG_VAUX(reg - 1);
+				chan->address = XADC_REG_VAUX(reg - 1);
 			}
 			num_channels++;
 			chan++;

drivers/iio/common/hid-sensors/hid-sensor-trigger.c

@@ -122,7 +122,8 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
 		dev_err(&indio_dev->dev, "Trigger Register Failed\n");
 		goto error_free_trig;
 	}
-	indio_dev->trig = attrb->trigger = trig;
+	attrb->trigger = trig;
+	indio_dev->trig = iio_trigger_get(trig);
 
 	return ret;
 

drivers/iio/common/st_sensors/st_sensors_trigger.c

@@ -49,7 +49,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
 		dev_err(&indio_dev->dev, "failed to register iio trigger.\n");
 		goto iio_trigger_register_error;
 	}
-	indio_dev->trig = sdata->trig;
+	indio_dev->trig = iio_trigger_get(sdata->trig);
 
 	return 0;
 

drivers/iio/gyro/itg3200_buffer.c

@@ -132,7 +132,7 @@ int itg3200_probe_trigger(struct iio_dev *indio_dev)
 		goto error_free_irq;
 
 	/* select default trigger */
-	indio_dev->trig = st->trig;
+	indio_dev->trig = iio_trigger_get(st->trig);
 
 	return 0;
 

drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c

@@ -135,7 +135,7 @@ int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev)
 	ret = iio_trigger_register(st->trig);
 	if (ret)
 		goto error_free_irq;
-	indio_dev->trig = st->trig;
+	indio_dev->trig = iio_trigger_get(st->trig);
 
 	return 0;
 

drivers/iio/inkern.c

@@ -178,7 +178,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
 			index = of_property_match_string(np, "io-channel-names",
 							 name);
 		chan = of_iio_channel_get(np, index);
-		if (!IS_ERR(chan))
+		if (!IS_ERR(chan) || PTR_ERR(chan) == -EPROBE_DEFER)
 			break;
 		else if (name && index >= 0) {
 			pr_err("ERROR: could not get IIO channel %s:%s(%i)\n",

drivers/iio/magnetometer/st_magn_core.c

@@ -42,7 +42,8 @@
 #define ST_MAGN_FS_AVL_5600MG			5600
 #define ST_MAGN_FS_AVL_8000MG			8000
 #define ST_MAGN_FS_AVL_8100MG			8100
-#define ST_MAGN_FS_AVL_10000MG			10000
+#define ST_MAGN_FS_AVL_12000MG			12000
+#define ST_MAGN_FS_AVL_16000MG			16000
 
 /* CUSTOM VALUES FOR SENSOR 1 */
 #define ST_MAGN_1_WAI_EXP			0x3c
@@ -69,20 +70,20 @@
 #define ST_MAGN_1_FS_AVL_4700_VAL		0x05
 #define ST_MAGN_1_FS_AVL_5600_VAL		0x06
 #define ST_MAGN_1_FS_AVL_8100_VAL		0x07
-#define ST_MAGN_1_FS_AVL_1300_GAIN_XY		1100
-#define ST_MAGN_1_FS_AVL_1900_GAIN_XY		855
-#define ST_MAGN_1_FS_AVL_2500_GAIN_XY		670
-#define ST_MAGN_1_FS_AVL_4000_GAIN_XY		450
-#define ST_MAGN_1_FS_AVL_4700_GAIN_XY		400
-#define ST_MAGN_1_FS_AVL_5600_GAIN_XY		330
-#define ST_MAGN_1_FS_AVL_8100_GAIN_XY		230
-#define ST_MAGN_1_FS_AVL_1300_GAIN_Z		980
-#define ST_MAGN_1_FS_AVL_1900_GAIN_Z		760
-#define ST_MAGN_1_FS_AVL_2500_GAIN_Z		600
-#define ST_MAGN_1_FS_AVL_4000_GAIN_Z		400
-#define ST_MAGN_1_FS_AVL_4700_GAIN_Z		355
-#define ST_MAGN_1_FS_AVL_5600_GAIN_Z		295
-#define ST_MAGN_1_FS_AVL_8100_GAIN_Z		205
+#define ST_MAGN_1_FS_AVL_1300_GAIN_XY		909
+#define ST_MAGN_1_FS_AVL_1900_GAIN_XY		1169
+#define ST_MAGN_1_FS_AVL_2500_GAIN_XY		1492
+#define ST_MAGN_1_FS_AVL_4000_GAIN_XY		2222
+#define ST_MAGN_1_FS_AVL_4700_GAIN_XY		2500
+#define ST_MAGN_1_FS_AVL_5600_GAIN_XY		3030
+#define ST_MAGN_1_FS_AVL_8100_GAIN_XY		4347
+#define ST_MAGN_1_FS_AVL_1300_GAIN_Z		1020
+#define ST_MAGN_1_FS_AVL_1900_GAIN_Z		1315
+#define ST_MAGN_1_FS_AVL_2500_GAIN_Z		1666
+#define ST_MAGN_1_FS_AVL_4000_GAIN_Z		2500
+#define ST_MAGN_1_FS_AVL_4700_GAIN_Z		2816
+#define ST_MAGN_1_FS_AVL_5600_GAIN_Z		3389
+#define ST_MAGN_1_FS_AVL_8100_GAIN_Z		4878
 #define ST_MAGN_1_MULTIREAD_BIT			false
 
 /* CUSTOM VALUES FOR SENSOR 2 */
@@ -105,10 +106,12 @@
 #define ST_MAGN_2_FS_MASK			0x60
 #define ST_MAGN_2_FS_AVL_4000_VAL		0x00
 #define ST_MAGN_2_FS_AVL_8000_VAL		0x01
-#define ST_MAGN_2_FS_AVL_10000_VAL		0x02
-#define ST_MAGN_2_FS_AVL_4000_GAIN		430
-#define ST_MAGN_2_FS_AVL_8000_GAIN		230
-#define ST_MAGN_2_FS_AVL_10000_GAIN		230
+#define ST_MAGN_2_FS_AVL_12000_VAL		0x02
+#define ST_MAGN_2_FS_AVL_16000_VAL		0x03
+#define ST_MAGN_2_FS_AVL_4000_GAIN		146
+#define ST_MAGN_2_FS_AVL_8000_GAIN		292
+#define ST_MAGN_2_FS_AVL_12000_GAIN		438
+#define ST_MAGN_2_FS_AVL_16000_GAIN		584
 #define ST_MAGN_2_MULTIREAD_BIT			false
 #define ST_MAGN_2_OUT_X_L_ADDR			0x28
 #define ST_MAGN_2_OUT_Y_L_ADDR			0x2a
@@ -266,9 +269,14 @@ static const struct st_sensors st_magn_sensors[] = {
 					.gain = ST_MAGN_2_FS_AVL_8000_GAIN,
 				},
 				[2] = {
-					.num = ST_MAGN_FS_AVL_10000MG,
-					.value = ST_MAGN_2_FS_AVL_10000_VAL,
-					.gain = ST_MAGN_2_FS_AVL_10000_GAIN,
+					.num = ST_MAGN_FS_AVL_12000MG,
+					.value = ST_MAGN_2_FS_AVL_12000_VAL,
+					.gain = ST_MAGN_2_FS_AVL_12000_GAIN,
+				},
+				[3] = {
+					.num = ST_MAGN_FS_AVL_16000MG,
+					.value = ST_MAGN_2_FS_AVL_16000_VAL,
+					.gain = ST_MAGN_2_FS_AVL_16000_GAIN,
 				},
 			},
 		},

drivers/infiniband/ulp/isert/ib_isert.c

@@ -586,17 +586,12 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
 	init_completion(&isert_conn->conn_wait);
 	init_completion(&isert_conn->conn_wait_comp_err);
 	kref_init(&isert_conn->conn_kref);
-	kref_get(&isert_conn->conn_kref);
 	mutex_init(&isert_conn->conn_mutex);
 	spin_lock_init(&isert_conn->conn_lock);
 	INIT_LIST_HEAD(&isert_conn->conn_fr_pool);
 
 	cma_id->context = isert_conn;
 	isert_conn->conn_cm_id = cma_id;
-	isert_conn->responder_resources = event->param.conn.responder_resources;
-	isert_conn->initiator_depth = event->param.conn.initiator_depth;
-	pr_debug("Using responder_resources: %u initiator_depth: %u\n",
-		 isert_conn->responder_resources, isert_conn->initiator_depth);
 
 	isert_conn->login_buf = kzalloc(ISCSI_DEF_MAX_RECV_SEG_LEN +
 					ISER_RX_LOGIN_SIZE, GFP_KERNEL);
@@ -643,6 +638,12 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
 		goto out_rsp_dma_map;
 	}
 
+	/* Set max inflight RDMA READ requests */
+	isert_conn->initiator_depth = min_t(u8,
+				event->param.conn.initiator_depth,
+				device->dev_attr.max_qp_init_rd_atom);
+	pr_debug("Using initiator_depth: %u\n", isert_conn->initiator_depth);
+
 	isert_conn->conn_device = device;
 	isert_conn->conn_pd = ib_alloc_pd(isert_conn->conn_device->ib_device);
 	if (IS_ERR(isert_conn->conn_pd)) {
@@ -746,7 +747,9 @@ isert_connect_release(struct isert_conn *isert_conn)
 static void
 isert_connected_handler(struct rdma_cm_id *cma_id)
 {
-	return;
+	struct isert_conn *isert_conn = cma_id->context;
+
+	kref_get(&isert_conn->conn_kref);
 }
 
 static void
@@ -798,7 +801,6 @@ isert_disconnect_work(struct work_struct *work)
 
 wake_up:
 	complete(&isert_conn->conn_wait);
-	isert_put_conn(isert_conn);
 }
 
 static void
@@ -3067,7 +3069,6 @@ isert_rdma_accept(struct isert_conn *isert_conn)
 	int ret;
 
 	memset(&cp, 0, sizeof(struct rdma_conn_param));
-	cp.responder_resources = isert_conn->responder_resources;
 	cp.initiator_depth = isert_conn->initiator_depth;
 	cp.retry_count = 7;
 	cp.rnr_retry_count = 7;
@@ -3215,7 +3216,7 @@ static void isert_wait_conn(struct iscsi_conn *conn)
 	pr_debug("isert_wait_conn: Starting \n");
 
 	mutex_lock(&isert_conn->conn_mutex);
-	if (isert_conn->conn_cm_id) {
+	if (isert_conn->conn_cm_id && !isert_conn->disconnect) {
 		pr_debug("Calling rdma_disconnect from isert_wait_conn\n");
 		rdma_disconnect(isert_conn->conn_cm_id);
 	}
@@ -3234,6 +3235,7 @@ static void isert_wait_conn(struct iscsi_conn *conn)
 	wait_for_completion(&isert_conn->conn_wait_comp_err);
 
 	wait_for_completion(&isert_conn->conn_wait);
+	isert_put_conn(isert_conn);
 }
 
 static void isert_free_conn(struct iscsi_conn *conn)

drivers/input/keyboard/atkbd.c

@@ -1791,14 +1791,6 @@ static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
 	{
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LW25-B7HV"),
-		},
-		.callback = atkbd_deactivate_fixup,
-	},
-	{
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "P1-J273B"),
 		},
 		.callback = atkbd_deactivate_fixup,
 	},

drivers/input/serio/i8042-x86ia64io.h

@@ -465,6 +465,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 		},
 	},
+	{
+		/* Avatar AVIU-145A6 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
+		},
+	},
 	{ }
 };
 
@@ -608,6 +615,14 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 		},
 	},
+	{
+		/* Fujitsu U574 laptop */
+		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
+		},
+	},
 	{ }
 };
 

drivers/input/serio/i8042.c

@@ -1254,6 +1254,8 @@ static int __init i8042_create_aux_port(int idx)
 	} else {
 		snprintf(serio->name, sizeof(serio->name), "i8042 AUX%d port", idx);
 		snprintf(serio->phys, sizeof(serio->phys), I8042_MUX_PHYS_DESC, idx + 1);
+		strlcpy(serio->firmware_id, i8042_aux_firmware_id,
+			sizeof(serio->firmware_id));
 	}
 
 	port->serio = serio;

drivers/media/Kconfig

@@ -182,7 +182,6 @@ config MEDIA_SUBDRV_AUTOSELECT
 	depends on HAS_IOMEM
 	select I2C
 	select I2C_MUX
-	select SPI
 	default y
 	help
 	  By default, a media driver auto-selects all possible ancillary

drivers/media/dvb-core/dvb-usb-ids.h

@@ -280,6 +280,8 @@
 #define USB_PID_PCTV_400E				0x020f
 #define USB_PID_PCTV_450E				0x0222
 #define USB_PID_PCTV_452E				0x021f
+#define USB_PID_PCTV_78E				0x025a
+#define USB_PID_PCTV_79E				0x0262
 #define USB_PID_REALTEK_RTL2831U			0x2831
 #define USB_PID_REALTEK_RTL2832U			0x2832
 #define USB_PID_TECHNOTREND_CONNECT_S2_3600		0x3007

drivers/media/dvb-frontends/af9033.c

@@ -314,6 +314,19 @@ static int af9033_init(struct dvb_frontend *fe)
 			goto err;
 	}
 
+	/* feed clock to RF tuner */
+	switch (state->cfg.tuner) {
+	case AF9033_TUNER_IT9135_38:
+	case AF9033_TUNER_IT9135_51:
+	case AF9033_TUNER_IT9135_52:
+	case AF9033_TUNER_IT9135_60:
+	case AF9033_TUNER_IT9135_61:
+	case AF9033_TUNER_IT9135_62:
+		ret = af9033_wr_reg(state, 0x80fba8, 0x00);
+		if (ret < 0)
+			goto err;
+	}
+
 	/* settings for TS interface */
 	if (state->cfg.ts_mode == AF9033_TS_MODE_USB) {
 		ret = af9033_wr_reg_mask(state, 0x80f9a5, 0x00, 0x01);

drivers/media/dvb-frontends/af9033_priv.h

@@ -1418,7 +1418,7 @@ static const struct reg_val tuner_init_it9135_60[] = {
 	{ 0x800068, 0x0a },
 	{ 0x80006a, 0x03 },
 	{ 0x800070, 0x0a },
-	{ 0x800071, 0x05 },
+	{ 0x800071, 0x0a },
 	{ 0x800072, 0x02 },
 	{ 0x800075, 0x8c },
 	{ 0x800076, 0x8c },
@@ -1484,7 +1484,6 @@ static const struct reg_val tuner_init_it9135_60[] = {
 	{ 0x800104, 0x02 },
 	{ 0x800105, 0xbe },
 	{ 0x800106, 0x00 },
-	{ 0x800109, 0x02 },
 	{ 0x800115, 0x0a },
 	{ 0x800116, 0x03 },
 	{ 0x80011a, 0xbe },
@@ -1510,7 +1509,6 @@ static const struct reg_val tuner_init_it9135_60[] = {
 	{ 0x80014b, 0x8c },
 	{ 0x80014d, 0xac },
 	{ 0x80014e, 0xc6 },
-	{ 0x80014f, 0x03 },
 	{ 0x800151, 0x1e },
 	{ 0x800153, 0xbc },
 	{ 0x800178, 0x09 },
@@ -1522,9 +1520,10 @@ static const struct reg_val tuner_init_it9135_60[] = {
 	{ 0x80018d, 0x5f },
 	{ 0x80018f, 0xa0 },
 	{ 0x800190, 0x5a },
-	{ 0x80ed02, 0xff },
-	{ 0x80ee42, 0xff },
-	{ 0x80ee82, 0xff },
+	{ 0x800191, 0x00 },
+	{ 0x80ed02, 0x40 },
+	{ 0x80ee42, 0x40 },
+	{ 0x80ee82, 0x40 },
 	{ 0x80f000, 0x0f },
 	{ 0x80f01f, 0x8c },
 	{ 0x80f020, 0x00 },
@@ -1699,7 +1698,6 @@ static const struct reg_val tuner_init_it9135_61[] = {
 	{ 0x800104, 0x02 },
 	{ 0x800105, 0xc8 },
 	{ 0x800106, 0x00 },
-	{ 0x800109, 0x02 },
 	{ 0x800115, 0x0a },
 	{ 0x800116, 0x03 },
 	{ 0x80011a, 0xc6 },
@@ -1725,7 +1723,6 @@ static const struct reg_val tuner_init_it9135_61[] = {
 	{ 0x80014b, 0x8c },
 	{ 0x80014d, 0xa8 },
 	{ 0x80014e, 0xc6 },
-	{ 0x80014f, 0x03 },
 	{ 0x800151, 0x28 },
 	{ 0x800153, 0xcc },
 	{ 0x800178, 0x09 },
@@ -1737,9 +1734,10 @@ static const struct reg_val tuner_init_it9135_61[] = {
 	{ 0x80018d, 0x5f },
 	{ 0x80018f, 0xfb },
 	{ 0x800190, 0x5c },
-	{ 0x80ed02, 0xff },
-	{ 0x80ee42, 0xff },
-	{ 0x80ee82, 0xff },
+	{ 0x800191, 0x00 },
+	{ 0x80ed02, 0x40 },
+	{ 0x80ee42, 0x40 },
+	{ 0x80ee82, 0x40 },
 	{ 0x80f000, 0x0f },
 	{ 0x80f01f, 0x8c },
 	{ 0x80f020, 0x00 },

drivers/media/i2c/smiapp/smiapp-core.c

@@ -1282,19 +1282,12 @@ static int smiapp_set_power(struct v4l2_subdev *subdev, int on)
 
 	mutex_lock(&sensor->power_mutex);
 
-	/*
-	 * If the power count is modified from 0 to != 0 or from != 0
-	 * to 0, update the power state.
-	 */
-	if (!sensor->power_count == !on)
-		goto out;
-
-	if (on) {
+	if (on && !sensor->power_count) {
 		/* Power on and perform initialisation. */
 		ret = smiapp_power_on(sensor);
 		if (ret < 0)
 			goto out;
-	} else {
+	} else if (!on && sensor->power_count == 1) {
 		smiapp_power_off(sensor);
 	}
 
@@ -2572,7 +2565,7 @@ static int smiapp_registered(struct v4l2_subdev *subdev)
 
 		this->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 		this->sd.internal_ops = &smiapp_internal_ops;
-		this->sd.owner = NULL;
+		this->sd.owner = THIS_MODULE;
 		v4l2_set_subdevdata(&this->sd, client);
 
 		rval = media_entity_init(&this->sd.entity,

drivers/media/pci/cx18/cx18-driver.c

@@ -1091,6 +1091,7 @@ static int cx18_probe(struct pci_dev *pci_dev,
 		setup.addr = ADDR_UNSET;
 		setup.type = cx->options.tuner;
 		setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
+		setup.config = NULL;
 		if (cx->options.radio > 0)
 			setup.mode_mask |= T_RADIO;
 		setup.tuner_callback = (setup.type == TUNER_XC2028) ?

drivers/media/tuners/tuner_it913x.c

@@ -396,6 +396,7 @@ struct dvb_frontend *it913x_attach(struct dvb_frontend *fe,
 		struct i2c_adapter *i2c_adap, u8 i2c_addr, u8 config)
 {
 	struct it913x_state *state = NULL;
+	int ret;
 
 	/* allocate memory for the internal state */
 	state = kzalloc(sizeof(struct it913x_state), GFP_KERNEL);
@@ -425,6 +426,11 @@ struct dvb_frontend *it913x_attach(struct dvb_frontend *fe,
 	state->tuner_type = config;
 	state->firmware_ver = 1;
 
+	/* tuner RF initial */
+	ret = it913x_wr_reg(state, PRO_DMOD, 0xec4c, 0x68);
+	if (ret < 0)
+		goto error;
+
 	fe->tuner_priv = state;
 	memcpy(&fe->ops.tuner_ops, &it913x_tuner_ops,
 			sizeof(struct dvb_tuner_ops));

drivers/media/usb/dvb-usb-v2/af9035.c

@@ -1575,6 +1575,10 @@ static const struct usb_device_id af9035_id_table[] = {
 		&af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
 	{ DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
 		&af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
+	{ DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_78E,
+		&af9035_props, "PCTV 78e", RC_MAP_IT913X_V1) },
+	{ DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_79E,
+		&af9035_props, "PCTV 79e", RC_MAP_IT913X_V2) },
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, af9035_id_table);

drivers/pci/host/pci-imx6.c

@@ -49,6 +49,9 @@ struct imx6_pcie {
 
 /* PCIe Port Logic registers (memory-mapped) */
 #define PL_OFFSET 0x700
+#define PCIE_PL_PFLR (PL_OFFSET + 0x08)
+#define PCIE_PL_PFLR_LINK_STATE_MASK		(0x3f << 16)
+#define PCIE_PL_PFLR_FORCE_LINK			(1 << 15)
 #define PCIE_PHY_DEBUG_R0 (PL_OFFSET + 0x28)
 #define PCIE_PHY_DEBUG_R1 (PL_OFFSET + 0x2c)
 #define PCIE_PHY_DEBUG_R1_XMLH_LINK_IN_TRAINING	(1 << 29)
@@ -214,6 +217,32 @@ static int imx6q_pcie_abort_handler(unsigned long addr,
 static int imx6_pcie_assert_core_reset(struct pcie_port *pp)
 {
 	struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
+	u32 val, gpr1, gpr12;
+
+	/*
+	 * If the bootloader already enabled the link we need some special
+	 * handling to get the core back into a state where it is safe to
+	 * touch it for configuration.  As there is no dedicated reset signal
+	 * wired up for MX6QDL, we need to manually force LTSSM into "detect"
+	 * state before completely disabling LTSSM, which is a prerequisite
+	 * for core configuration.
+	 *
+	 * If both LTSSM_ENABLE and REF_SSP_ENABLE are active we have a strong
+	 * indication that the bootloader activated the link.
+	 */
+	regmap_read(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, &gpr1);
+	regmap_read(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, &gpr12);
+
+	if ((gpr1 & IMX6Q_GPR1_PCIE_REF_CLK_EN) &&
+	    (gpr12 & IMX6Q_GPR12_PCIE_CTL_2)) {
+		val = readl(pp->dbi_base + PCIE_PL_PFLR);
+		val &= ~PCIE_PL_PFLR_LINK_STATE_MASK;
+		val |= PCIE_PL_PFLR_FORCE_LINK;
+		writel(val, pp->dbi_base + PCIE_PL_PFLR);
+
+		regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
+				IMX6Q_GPR12_PCIE_CTL_2, 0 << 10);
+	}
 
 	regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
 			IMX6Q_GPR1_PCIE_TEST_PD, 1 << 18);
@@ -589,6 +618,14 @@ static int __init imx6_pcie_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static void imx6_pcie_shutdown(struct platform_device *pdev)
+{
+	struct imx6_pcie *imx6_pcie = platform_get_drvdata(pdev);
+
+	/* bring down link, so bootloader gets clean state in case of reboot */
+	imx6_pcie_assert_core_reset(&imx6_pcie->pp);
+}
+
 static const struct of_device_id imx6_pcie_of_match[] = {
 	{ .compatible = "fsl,imx6q-pcie", },
 	{},
@@ -601,6 +638,7 @@ static struct platform_driver imx6_pcie_driver = {
 		.owner	= THIS_MODULE,
 		.of_match_table = imx6_pcie_of_match,
 	},
+	.shutdown = imx6_pcie_shutdown,
 };
 
 /* Freescale PCIe driver does not allow module unload */

drivers/pci/hotplug/acpiphp_glue.c

@@ -560,19 +560,15 @@ static void disable_slot(struct acpiphp_slot *slot)
 	slot->flags &= (~SLOT_ENABLED);
 }
 
-static bool acpiphp_no_hotplug(struct acpi_device *adev)
-{
-	return adev && adev->flags.no_hotplug;
-}
-
 static bool slot_no_hotplug(struct acpiphp_slot *slot)
 {
-	struct acpiphp_func *func;
+	struct pci_bus *bus = slot->bus;
+	struct pci_dev *dev;
 
-	list_for_each_entry(func, &slot->funcs, sibling)
-		if (acpiphp_no_hotplug(func_to_acpi_device(func)))
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		if (PCI_SLOT(dev->devfn) == slot->device && dev->ignore_hotplug)
 			return true;
-
+	}
 	return false;
 }
 
@@ -645,7 +641,7 @@ static void trim_stale_devices(struct pci_dev *dev)
 
 		status = acpi_evaluate_integer(adev->handle, "_STA", NULL, &sta);
 		alive = (ACPI_SUCCESS(status) && device_status_valid(sta))
-			|| acpiphp_no_hotplug(adev);
+			|| dev->ignore_hotplug;
 	}
 	if (!alive)
 		alive = pci_device_is_present(dev);