Merge commit 'v3.0' into x86/cpu

Documentation/filesystems/nilfs2.txt

@@ -40,7 +40,6 @@ Features which NILFS2 does not support yet:
 	- POSIX ACLs
 	- quotas
 	- fsck
-	- resize
 	- defragmentation
 
 Mount options

Documentation/networking/ip-sysctl.txt

@@ -346,7 +346,7 @@ tcp_orphan_retries - INTEGER
 	when RTO retransmissions remain unacknowledged.
 	See tcp_retries2 for more details.
 
-	The default value is 7.
+	The default value is 8.
 	If your machine is a loaded WEB server,
 	you should think about lowering this value, such sockets
 	may consume significant resources. Cf. tcp_max_orphans.

Documentation/x86/boot.txt

@@ -674,7 +674,7 @@ Protocol:	2.10+
 
 Field name:	init_size
 Type:		read
-Offset/size:	0x25c/4
+Offset/size:	0x260/4
 
   This field indicates the amount of linear contiguous memory starting
   at the kernel runtime start address that the kernel needs before it

Makefile

@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 0
 SUBLEVEL = 0
-EXTRAVERSION = -rc7
+EXTRAVERSION =
 NAME = Sneaky Weasel
 
 # *DOCUMENTATION*

arch/arm/mach-davinci/board-dm365-evm.c

@@ -520,7 +520,7 @@ fail:
 	 */
 	if (have_imager()) {
 		label = "HD imager";
-		mux |= 1;
+		mux |= 2;
 
 		/* externally mux MMC1/ENET/AIC33 to imager */
 		mux |= BIT(6) | BIT(5) | BIT(3);
@@ -540,7 +540,7 @@ fail:
 		resets &= ~BIT(1);
 
 		if (have_tvp7002()) {
-			mux |= 2;
+			mux |= 1;
 			resets &= ~BIT(2);
 			label = "tvp7002 HD";
 		} else {

arch/arm/mach-davinci/gpio.c

@@ -254,8 +254,10 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 {
 	struct davinci_gpio_regs __iomem *g;
 	u32 mask = 0xffff;
+	struct davinci_gpio_controller *d;
 
-	g = (__force struct davinci_gpio_regs __iomem *) irq_desc_get_handler_data(desc);
+	d = (struct davinci_gpio_controller *)irq_desc_get_handler_data(desc);
+	g = (struct davinci_gpio_regs __iomem *)d->regs;
 
 	/* we only care about one bank */
 	if (irq & 1)
@@ -274,11 +276,14 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 		if (!status)
 			break;
 		__raw_writel(status, &g->intstat);
-		if (irq & 1)
-			status >>= 16;
 
 		/* now demux them to the right lowlevel handler */
-		n = (int)irq_get_handler_data(irq);
+		n = d->irq_base;
+		if (irq & 1) {
+			n += 16;
+			status >>= 16;
+		}
+
 		while (status) {
 			res = ffs(status);
 			n += res;
@@ -424,7 +429,13 @@ static int __init davinci_gpio_irq_setup(void)
 
 		/* set up all irqs in this bank */
 		irq_set_chained_handler(bank_irq, gpio_irq_handler);
-		irq_set_handler_data(bank_irq, (__force void *)g);
+
+		/*
+		 * Each chip handles 32 gpios, and each irq bank consists of 16
+		 * gpio irqs. Pass the irq bank's corresponding controller to
+		 * the chained irq handler.
+		 */
+		irq_set_handler_data(bank_irq, &chips[gpio / 32]);
 
 		for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
 			irq_set_chip(irq, &gpio_irqchip);

arch/arm/mach-davinci/irq.c

@@ -52,8 +52,14 @@ davinci_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
 	struct irq_chip_type *ct;
 
 	gc = irq_alloc_generic_chip("AINTC", 1, irq_start, base, handle_edge_irq);
+	if (!gc) {
+		pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
+		       __func__, irq_start);
+		return;
+	}
+
 	ct = gc->chip_types;
-	ct->chip.irq_ack = irq_gc_ack;
+	ct->chip.irq_ack = irq_gc_ack_set_bit;
 	ct->chip.irq_mask = irq_gc_mask_clr_bit;
 	ct->chip.irq_unmask = irq_gc_mask_set_bit;
 

arch/arm/mach-ixp4xx/common.c

@@ -419,14 +419,20 @@ static void notrace ixp4xx_update_sched_clock(void)
 /*
  * clocksource
  */
+
+static cycle_t ixp4xx_clocksource_read(struct clocksource *c)
+{
+	return *IXP4XX_OSTS;
+}
+
 unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ;
 EXPORT_SYMBOL(ixp4xx_timer_freq);
 static void __init ixp4xx_clocksource_init(void)
 {
 	init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq);
 
-	clocksource_mmio_init(&IXP4XX_OSTS, "OSTS", ixp4xx_timer_freq, 200, 32,
-			clocksource_mmio_readl_up);
+	clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32,
+			ixp4xx_clocksource_read);
 }
 
 /*

arch/arm/mach-mmp/pxa168.c

@@ -79,7 +79,7 @@ static APBC_CLK(ssp4, PXA168_SSP4, 4, 0);
 static APBC_CLK(ssp5, PXA168_SSP5, 4, 0);
 static APBC_CLK(keypad, PXA168_KPC, 0, 32000);
 
-static APMU_CLK(nand, NAND, 0x01db, 208000000);
+static APMU_CLK(nand, NAND, 0x19b, 156000000);
 static APMU_CLK(lcd, LCD, 0x7f, 312000000);
 
 /* device and clock bindings */

arch/arm/mach-mmp/pxa910.c

@@ -110,7 +110,7 @@ static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000);
 static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000);
 static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000);
 
-static APMU_CLK(nand, NAND, 0x01db, 208000000);
+static APMU_CLK(nand, NAND, 0x19b, 156000000);
 static APMU_CLK(u2o, USB, 0x1b, 480000000);
 
 /* device and clock bindings */

arch/arm/mach-pxa/mfp-pxa2xx.c

@@ -347,9 +347,9 @@ static int pxa2xx_mfp_suspend(void)
 		if ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) &&
 		    (GPDR(i) & GPIO_bit(i))) {
 			if (GPLR(i) & GPIO_bit(i))
-				PGSR(i) |= GPIO_bit(i);
+				PGSR(gpio_to_bank(i)) |= GPIO_bit(i);
 			else
-				PGSR(i) &= ~GPIO_bit(i);
+				PGSR(gpio_to_bank(i)) &= ~GPIO_bit(i);
 		}
 	}
 

arch/arm/mach-pxa/raumfeld.c

@@ -573,10 +573,10 @@ static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 	.xres		= 480,
 	.yres		= 272,
 	.bpp		= 16,
-	.hsync_len	= 4,
+	.hsync_len	= 41,
 	.left_margin	= 2,
 	.right_margin	= 1,
-	.vsync_len	= 1,
+	.vsync_len	= 10,
 	.upper_margin	= 3,
 	.lower_margin	= 1,
 	.sync		= 0,
@@ -596,29 +596,31 @@ static void __init raumfeld_lcd_init(void)
 {
 	int ret;
 
-	pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
-
-	/* Earlier devices had the backlight regulator controlled
-	 * via PWM, later versions use another controller for that */
-	if ((system_rev & 0xff) < 2) {
-		mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
-		pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
-		platform_device_register(&raumfeld_pwm_backlight_device);
-	} else
-		platform_device_register(&raumfeld_lt3593_device);
-
 	ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 	if (ret < 0)
 		pr_warning("Unable to request GPIO_TFT_VA_EN\n");
 	else
 		gpio_direction_output(GPIO_TFT_VA_EN, 1);
 
+	msleep(100);
+
 	ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 	if (ret < 0)
 		pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
 	else
 		gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 
+	/* Hardware revision 2 has the backlight regulator controlled
+	 * by an LT3593, earlier and later devices use PWM for that. */
+	if ((system_rev & 0xff) == 2) {
+		platform_device_register(&raumfeld_lt3593_device);
+	} else {
+		mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
+		pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
+		platform_device_register(&raumfeld_pwm_backlight_device);
+	}
+
+	pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
 	platform_device_register(&pxa3xx_device_gcu);
 }
 
@@ -657,10 +659,10 @@ static struct lis3lv02d_platform_data lis3_pdata = {
 
 #define SPI_AK4104	\
 {			\
-	.modalias	= "ak4104",	\
-	.max_speed_hz	= 10000,	\
-	.bus_num	= 0,		\
-	.chip_select	= 0,		\
+	.modalias	= "ak4104-codec",	\
+	.max_speed_hz	= 10000,		\
+	.bus_num	= 0,			\
+	.chip_select	= 0,			\
 	.controller_data = (void *) GPIO_SPDIF_CS,	\
 }
 

arch/arm/mach-s3c64xx/dma.c

@@ -113,7 +113,7 @@ found:
 	return chan;
 }
 
-int s3c2410_dma_config(unsigned int channel, int xferunit)
+int s3c2410_dma_config(enum dma_ch channel, int xferunit)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 
@@ -297,7 +297,7 @@ static int s3c64xx_dma_flush(struct s3c2410_dma_chan *chan)
 	return 0;
 }
 
-int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
+int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 
@@ -331,7 +331,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
  *
  */
 
-int s3c2410_dma_enqueue(unsigned int channel, void *id,
+int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
 			dma_addr_t data, int size)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -415,7 +415,7 @@ err_buff:
 EXPORT_SYMBOL(s3c2410_dma_enqueue);
 
 
-int s3c2410_dma_devconfig(unsigned int channel,
+int s3c2410_dma_devconfig(enum dma_ch channel,
 			  enum s3c2410_dmasrc source,
 			  unsigned long devaddr)
 {
@@ -463,7 +463,7 @@ int s3c2410_dma_devconfig(unsigned int channel,
 EXPORT_SYMBOL(s3c2410_dma_devconfig);
 
 
-int s3c2410_dma_getposition(unsigned int channel,
+int s3c2410_dma_getposition(enum dma_ch channel,
 			    dma_addr_t *src, dma_addr_t *dst)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -487,7 +487,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition);
  * get control of an dma channel
 */
 
-int s3c2410_dma_request(unsigned int channel,
+int s3c2410_dma_request(enum dma_ch channel,
 			struct s3c2410_dma_client *client,
 			void *dev)
 {
@@ -533,7 +533,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
  * allowed to go through.
 */
 
-int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 	unsigned long flags;

arch/arm/plat-orion/gpio.c

@@ -432,7 +432,7 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
 	ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF;
 	ct->regs.ack = GPIO_EDGE_CAUSE_OFF;
 	ct->type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
-	ct->chip.irq_ack = irq_gc_ack;
+	ct->chip.irq_ack = irq_gc_ack_clr_bit;
 	ct->chip.irq_mask = irq_gc_mask_clr_bit;
 	ct->chip.irq_unmask = irq_gc_mask_set_bit;
 	ct->chip.irq_set_type = gpio_irq_set_type;

arch/arm/plat-pxa/gpio.c

@@ -50,7 +50,7 @@ static inline void __iomem *gpio_chip_base(struct gpio_chip *c)
 	return container_of(c, struct pxa_gpio_chip, chip)->regbase;
 }
 
-static inline struct pxa_gpio_chip *gpio_to_chip(unsigned gpio)
+static inline struct pxa_gpio_chip *gpio_to_pxachip(unsigned gpio)
 {
 	return &pxa_gpio_chips[gpio_to_bank(gpio)];
 }
@@ -161,7 +161,7 @@ static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type)
 	int gpio = irq_to_gpio(d->irq);
 	unsigned long gpdr, mask = GPIO_bit(gpio);
 
-	c = gpio_to_chip(gpio);
+	c = gpio_to_pxachip(gpio);
 
 	if (type == IRQ_TYPE_PROBE) {
 		/* Don't mess with enabled GPIOs using preconfigured edges or
@@ -230,7 +230,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
 static void pxa_ack_muxed_gpio(struct irq_data *d)
 {
 	int gpio = irq_to_gpio(d->irq);
-	struct pxa_gpio_chip *c = gpio_to_chip(gpio);
+	struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
 
 	__raw_writel(GPIO_bit(gpio), c->regbase + GEDR_OFFSET);
 }
@@ -238,7 +238,7 @@ static void pxa_ack_muxed_gpio(struct irq_data *d)
 static void pxa_mask_muxed_gpio(struct irq_data *d)
 {
 	int gpio = irq_to_gpio(d->irq);
-	struct pxa_gpio_chip *c = gpio_to_chip(gpio);
+	struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
 	uint32_t grer, gfer;
 
 	c->irq_mask &= ~GPIO_bit(gpio);
@@ -252,7 +252,7 @@ static void pxa_mask_muxed_gpio(struct irq_data *d)
 static void pxa_unmask_muxed_gpio(struct irq_data *d)
 {
 	int gpio = irq_to_gpio(d->irq);
-	struct pxa_gpio_chip *c = gpio_to_chip(gpio);
+	struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
 
 	c->irq_mask |= GPIO_bit(gpio);
 	update_edge_detect(c);

arch/arm/plat-s3c24xx/dma.c

@@ -712,7 +712,7 @@ static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel);
  * get control of an dma channel
 */
 
-int s3c2410_dma_request(unsigned int channel,
+int s3c2410_dma_request(enum dma_ch channel,
 			struct s3c2410_dma_client *client,
 			void *dev)
 {
@@ -783,7 +783,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
  * allowed to go through.
 */
 
-int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 	unsigned long flags;
@@ -974,7 +974,7 @@ static int s3c2410_dma_started(struct s3c2410_dma_chan *chan)
 }
 
 int
-s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
+s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 
@@ -1021,7 +1021,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
  * xfersize:     size of unit in bytes (1,2,4)
 */
 
-int s3c2410_dma_config(unsigned int channel,
+int s3c2410_dma_config(enum dma_ch channel,
 		       int xferunit)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
@@ -1100,7 +1100,7 @@ EXPORT_SYMBOL(s3c2410_dma_config);
  * devaddr:   physical address of the source
 */
 
-int s3c2410_dma_devconfig(unsigned int channel,
+int s3c2410_dma_devconfig(enum dma_ch channel,
 			  enum s3c2410_dmasrc source,
 			  unsigned long devaddr)
 {
@@ -1173,7 +1173,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
  * returns the current transfer points for the dma source and destination
 */
 
-int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst)
+int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 

arch/arm/plat-s5p/irq-gpioint.c

@@ -152,7 +152,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
 	if (!gc)
 		return -ENOMEM;
 	ct = gc->chip_types;
-	ct->chip.irq_ack = irq_gc_ack;
+	ct->chip.irq_ack = irq_gc_ack_set_bit;
 	ct->chip.irq_mask = irq_gc_mask_set_bit;
 	ct->chip.irq_unmask = irq_gc_mask_clr_bit;
 	ct->chip.irq_set_type = s5p_gpioint_set_type,

arch/arm/plat-samsung/dma.c

@@ -41,7 +41,7 @@ struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel)
  * irq?
 */
 
-int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
+int s3c2410_dma_set_opfn(enum dma_ch channel, s3c2410_dma_opfn_t rtn)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 
@@ -56,7 +56,7 @@ int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
 }
 EXPORT_SYMBOL(s3c2410_dma_set_opfn);
 
-int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
+int s3c2410_dma_set_buffdone_fn(enum dma_ch channel, s3c2410_dma_cbfn_t rtn)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 
@@ -71,7 +71,7 @@ int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
 }
 EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
 
-int s3c2410_dma_setflags(unsigned int channel, unsigned int flags)
+int s3c2410_dma_setflags(enum dma_ch channel, unsigned int flags)
 {
 	struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
 

arch/arm/plat-samsung/include/plat/dma.h

@@ -42,6 +42,7 @@ struct s3c2410_dma_client {
 };
 
 struct s3c2410_dma_chan;
+enum dma_ch;
 
 /* s3c2410_dma_cbfn_t
  *
@@ -62,7 +63,7 @@ typedef int  (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
  * request a dma channel exclusivley
 */
 
-extern int s3c2410_dma_request(unsigned int channel,
+extern int s3c2410_dma_request(enum dma_ch channel,
 			       struct s3c2410_dma_client *, void *dev);
 
 
@@ -71,14 +72,14 @@ extern int s3c2410_dma_request(unsigned int channel,
  * change the state of the dma channel
 */
 
-extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op);
+extern int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op);
 
 /* s3c2410_dma_setflags
  *
  * set the channel's flags to a given state
 */
 
-extern int s3c2410_dma_setflags(unsigned int channel,
+extern int s3c2410_dma_setflags(enum dma_ch channel,
 				unsigned int flags);
 
 /* s3c2410_dma_free
@@ -86,7 +87,7 @@ extern int s3c2410_dma_setflags(unsigned int channel,
  * free the dma channel (will also abort any outstanding operations)
 */
 
-extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
+extern int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *);
 
 /* s3c2410_dma_enqueue
  *
@@ -95,7 +96,7 @@ extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
  * drained before the buffer is given to the DMA system.
 */
 
-extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
+extern int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
 			       dma_addr_t data, int size);
 
 /* s3c2410_dma_config
@@ -103,14 +104,14 @@ extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
  * configure the dma channel
 */
 
-extern int s3c2410_dma_config(unsigned int channel, int xferunit);
+extern int s3c2410_dma_config(enum dma_ch channel, int xferunit);
 
 /* s3c2410_dma_devconfig
  *
  * configure the device we're talking to
 */
 
-extern int s3c2410_dma_devconfig(unsigned int channel,
+extern int s3c2410_dma_devconfig(enum dma_ch channel,
 		enum s3c2410_dmasrc source, unsigned long devaddr);
 
 /* s3c2410_dma_getposition
@@ -118,10 +119,10 @@ extern int s3c2410_dma_devconfig(unsigned int channel,
  * get the position that the dma transfer is currently at
 */
 
-extern int s3c2410_dma_getposition(unsigned int channel,
+extern int s3c2410_dma_getposition(enum dma_ch channel,
 				   dma_addr_t *src, dma_addr_t *dest);
 
-extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
-extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn);
+extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn);
+extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn);
 
 

arch/arm/plat-samsung/irq-uart.c

@@ -54,8 +54,15 @@ static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
 
 	gc = irq_alloc_generic_chip("s3c-uart", 1, uirq->base_irq, reg_base,
 				    handle_level_irq);
+
+	if (!gc) {
+		pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
+		       __func__, uirq->base_irq);
+		return;
+	}
+
 	ct = gc->chip_types;
-	ct->chip.irq_ack = irq_gc_ack;
+	ct->chip.irq_ack = irq_gc_ack_set_bit;
 	ct->chip.irq_mask = irq_gc_mask_set_bit;
 	ct->chip.irq_unmask = irq_gc_mask_clr_bit;
 	ct->regs.ack = S3C64XX_UINTP;

arch/arm/plat-samsung/irq-vic-timer.c

@@ -54,6 +54,13 @@ void __init s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq)
 
 	s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq,
 					 S3C64XX_TINT_CSTAT, handle_level_irq);
+
+	if (!s3c_tgc) {
+		pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n",
+		       __func__, timer_irq);
+		return;
+	}
+
 	ct = s3c_tgc->chip_types;
 	ct->chip.irq_mask = irq_gc_mask_clr_bit;
 	ct->chip.irq_unmask = irq_gc_mask_set_bit;

arch/mips/kernel/i8259.c

@@ -14,7 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/spinlock.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 #include <linux/irq.h>
 
 #include <asm/i8259.h>
@@ -215,14 +215,13 @@ spurious_8259A_irq:
 	}
 }
 
-static int i8259A_resume(struct sys_device *dev)
+static void i8259A_resume(void)
 {
 	if (i8259A_auto_eoi >= 0)
 		init_8259A(i8259A_auto_eoi);
-	return 0;
 }
 
-static int i8259A_shutdown(struct sys_device *dev)
+static void i8259A_shutdown(void)
 {
 	/* Put the i8259A into a quiescent state that
 	 * the kernel initialization code can get it
@@ -232,26 +231,17 @@ static int i8259A_shutdown(struct sys_device *dev)
 		outb(0xff, PIC_MASTER_IMR);	/* mask all of 8259A-1 */
 		outb(0xff, PIC_SLAVE_IMR);	/* mask all of 8259A-1 */
 	}
-	return 0;
 }
 
-static struct sysdev_class i8259_sysdev_class = {
-	.name = "i8259",
+static struct syscore_ops i8259_syscore_ops = {
 	.resume = i8259A_resume,
 	.shutdown = i8259A_shutdown,
 };
 
-static struct sys_device device_i8259A = {
-	.id	= 0,
-	.cls	= &i8259_sysdev_class,
-};
-
 static int __init i8259A_init_sysfs(void)
 {
-	int error = sysdev_class_register(&i8259_sysdev_class);
-	if (!error)
-		error = sysdev_register(&device_i8259A);
-	return error;
+	register_syscore_ops(&i8259_syscore_ops);
+	return 0;
 }
 
 device_initcall(i8259A_init_sysfs);

arch/powerpc/platforms/pseries/hotplug-memory.c

@@ -12,6 +12,8 @@
 #include <linux/of.h>
 #include <linux/memblock.h>
 #include <linux/vmalloc.h>
+#include <linux/memory.h>
+
 #include <asm/firmware.h>
 #include <asm/machdep.h>
 #include <asm/pSeries_reconfig.h>
@@ -20,24 +22,25 @@
 static unsigned long get_memblock_size(void)
 {
 	struct device_node *np;
-	unsigned int memblock_size = 0;
+	unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE;
+	struct resource r;
 
 	np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
 	if (np) {
-		const unsigned long *size;
+		const __be64 *size;
 
 		size = of_get_property(np, "ibm,lmb-size", NULL);
-		memblock_size = size ? *size : 0;
-
+		if (size)
+			memblock_size = be64_to_cpup(size);
 		of_node_put(np);
-	} else {
+	} else  if (machine_is(pseries)) {
+		/* This fallback really only applies to pseries */
 		unsigned int memzero_size = 0;
-		const unsigned int *regs;
 
 		np = of_find_node_by_path("/memory@0");
 		if (np) {
-			regs = of_get_property(np, "reg", NULL);
-			memzero_size = regs ? regs[3] : 0;
+			if (!of_address_to_resource(np, 0, &r))
+				memzero_size = resource_size(&r);
 			of_node_put(np);
 		}
 
@@ -50,16 +53,21 @@ static unsigned long get_memblock_size(void)
 			sprintf(buf, "/memory@%x", memzero_size);
 			np = of_find_node_by_path(buf);
 			if (np) {
-				regs = of_get_property(np, "reg", NULL);
-				memblock_size = regs ? regs[3] : 0;
+				if (!of_address_to_resource(np, 0, &r))
+					memblock_size = resource_size(&r);
 				of_node_put(np);
 			}
 		}
 	}
-
 	return memblock_size;
 }
 
+/* WARNING: This is going to override the generic definition whenever
+ * pseries is built-in regardless of what platform is active at boot
+ * time. This is fine for now as this is the only "option" and it
+ * should work everywhere. If not, we'll have to turn this into a
+ * ppc_md. callback
+ */
 unsigned long memory_block_size_bytes(void)
 {
 	return get_memblock_size();

arch/sparc/include/asm/irqflags_32.h

@@ -18,7 +18,7 @@ extern void arch_local_irq_restore(unsigned long);
 extern unsigned long arch_local_irq_save(void);
 extern void arch_local_irq_enable(void);
 
-static inline unsigned long arch_local_save_flags(void)
+static inline notrace unsigned long arch_local_save_flags(void)
 {
 	unsigned long flags;
 
@@ -26,17 +26,17 @@ static inline unsigned long arch_local_save_flags(void)
 	return flags;
 }
 
-static inline void arch_local_irq_disable(void)
+static inline notrace void arch_local_irq_disable(void)
 {
 	arch_local_irq_save();
 }
 
-static inline bool arch_irqs_disabled_flags(unsigned long flags)
+static inline notrace bool arch_irqs_disabled_flags(unsigned long flags)
 {
 	return (flags & PSR_PIL) != 0;
 }
 
-static inline bool arch_irqs_disabled(void)
+static inline notrace bool arch_irqs_disabled(void)
 {
 	return arch_irqs_disabled_flags(arch_local_save_flags());
 }

arch/sparc/include/asm/irqflags_64.h

@@ -14,7 +14,7 @@
 
 #ifndef __ASSEMBLY__
 
-static inline unsigned long arch_local_save_flags(void)
+static inline notrace unsigned long arch_local_save_flags(void)
 {
 	unsigned long flags;
 
@@ -26,7 +26,7 @@ static inline unsigned long arch_local_save_flags(void)
 	return flags;
 }
 
-static inline void arch_local_irq_restore(unsigned long flags)
+static inline notrace void arch_local_irq_restore(unsigned long flags)
 {
 	__asm__ __volatile__(
 		"wrpr	%0, %%pil"
@@ -36,7 +36,7 @@ static inline void arch_local_irq_restore(unsigned long flags)
 	);
 }
 
-static inline void arch_local_irq_disable(void)
+static inline notrace void arch_local_irq_disable(void)
 {
 	__asm__ __volatile__(
 		"wrpr	%0, %%pil"
@@ -46,7 +46,7 @@ static inline void arch_local_irq_disable(void)
 	);
 }
 
-static inline void arch_local_irq_enable(void)
+static inline notrace void arch_local_irq_enable(void)
 {
 	__asm__ __volatile__(
 		"wrpr	0, %%pil"
@@ -56,17 +56,17 @@ static inline void arch_local_irq_enable(void)
 	);
 }
 
-static inline int arch_irqs_disabled_flags(unsigned long flags)
+static inline notrace int arch_irqs_disabled_flags(unsigned long flags)
 {
 	return (flags > 0);
 }
 
-static inline int arch_irqs_disabled(void)
+static inline notrace int arch_irqs_disabled(void)
 {
 	return arch_irqs_disabled_flags(arch_local_save_flags());
 }
 
-static inline unsigned long arch_local_irq_save(void)
+static inline notrace unsigned long arch_local_irq_save(void)
 {
 	unsigned long flags, tmp;
 

arch/sparc/include/asm/ptrace.h

@@ -205,6 +205,7 @@ do {	current_thread_info()->syscall_noerror = 1; \
 } while (0)
 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
 #define instruction_pointer(regs) ((regs)->tpc)
+#define instruction_pointer_set(regs, val) ((regs)->tpc = (val))
 #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
 #define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
 #ifdef CONFIG_SMP

arch/sparc/kernel/entry.S

@@ -293,7 +293,7 @@ maybe_smp4m_msg:
 	WRITE_PAUSE
 	wr	%l4, PSR_ET, %psr
 	WRITE_PAUSE
-	sll	%o3, 28, %o2		! shift for simpler checks below
+	srl	%o3, 28, %o2		! shift for simpler checks below
 maybe_smp4m_msg_check_single:
 	andcc	%o2, 0x1, %g0
 	beq,a	maybe_smp4m_msg_check_mask

arch/sparc/mm/leon_mm.c

@@ -226,7 +226,7 @@ void leon3_getCacheRegs(struct leon3_cacheregs *regs)
  * Leon2 and Leon3 differ in their way of telling cache information
  *
  */
-int leon_flush_needed(void)
+int __init leon_flush_needed(void)
 {
 	int flush_needed = -1;
 	unsigned int ssize, sets;

arch/x86/Kconfig

@@ -1170,7 +1170,7 @@ comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
 config AMD_NUMA
 	def_bool y
 	prompt "Old style AMD Opteron NUMA detection"
-	depends on NUMA && PCI
+	depends on X86_64 && NUMA && PCI
 	---help---
 	  Enable AMD NUMA node topology detection.  You should say Y here if
 	  you have a multi processor AMD system. This uses an old method to

arch/x86/kernel/reboot.c

@@ -419,6 +419,30 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
 		},
 	},
+	{	/* Handle problems with rebooting on the Latitude E6320. */
+		.callback = set_pci_reboot,
+		.ident = "Dell Latitude E6320",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"),
+		},
+	},
+	{	/* Handle problems with rebooting on the Latitude E5420. */
+		.callback = set_pci_reboot,
+		.ident = "Dell Latitude E5420",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5420"),
+		},
+	},
+	{	/* Handle problems with rebooting on the Latitude E6420. */
+		.callback = set_pci_reboot,
+		.ident = "Dell Latitude E6420",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"),
+		},
+	},
 	{ }
 };
 

arch/x86/mm/init_64.c

@@ -28,6 +28,7 @@
 #include <linux/poison.h>
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
+#include <linux/memory.h>
 #include <linux/memory_hotplug.h>
 #include <linux/nmi.h>
 #include <linux/gfp.h>
@@ -895,8 +896,6 @@ const char *arch_vma_name(struct vm_area_struct *vma)
 }
 
 #ifdef CONFIG_X86_UV
-#define MIN_MEMORY_BLOCK_SIZE   (1 << SECTION_SIZE_BITS)
-
 unsigned long memory_block_size_bytes(void)
 {
 	if (is_uv_system()) {

drivers/acpi/apei/hest.c

@@ -139,13 +139,23 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
 {
 	struct platform_device *ghes_dev;
 	struct ghes_arr *ghes_arr = data;
-	int rc;
+	int rc, i;
 
 	if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
 		return 0;
 
 	if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
 		return 0;
+	for (i = 0; i < ghes_arr->count; i++) {
+		struct acpi_hest_header *hdr;
+		ghes_dev = ghes_arr->ghes_devs[i];
+		hdr = *(struct acpi_hest_header **)ghes_dev->dev.platform_data;
+		if (hdr->source_id == hest_hdr->source_id) {
+			pr_warning(FW_WARN HEST_PFX "Duplicated hardware error source ID: %d.\n",
+				   hdr->source_id);
+			return -EIO;
+		}
+	}
 	ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
 	if (!ghes_dev)
 		return -ENOMEM;

drivers/acpi/osl.c

@@ -1332,23 +1332,6 @@ int acpi_resources_are_enforced(void)
 }
 EXPORT_SYMBOL(acpi_resources_are_enforced);
 
-/*
- * Create and initialize a spinlock.
- */
-acpi_status
-acpi_os_create_lock(acpi_spinlock *out_handle)
-{
-	spinlock_t *lock;
-
-	lock = ACPI_ALLOCATE(sizeof(spinlock_t));
-	if (!lock)
-		return AE_NO_MEMORY;
-	spin_lock_init(lock);
-	*out_handle = lock;
-
-	return AE_OK;
-}
-
 /*
  * Deallocate the memory for a spinlock.
  */

drivers/base/memory.c

@@ -30,7 +30,6 @@
 static DEFINE_MUTEX(mem_sysfs_mutex);
 
 #define MEMORY_CLASS_NAME	"memory"
-#define MIN_MEMORY_BLOCK_SIZE	(1 << SECTION_SIZE_BITS)
 
 static int sections_per_block;
 

drivers/char/agp/intel-agp.h

@@ -90,9 +90,10 @@
 #define G4x_GMCH_SIZE_MASK	(0xf << 8)
 #define G4x_GMCH_SIZE_1M	(0x1 << 8)
 #define G4x_GMCH_SIZE_2M	(0x3 << 8)
-#define G4x_GMCH_SIZE_VT_1M	(0x9 << 8)
-#define G4x_GMCH_SIZE_VT_1_5M	(0xa << 8)
-#define G4x_GMCH_SIZE_VT_2M	(0xc << 8)
+#define G4x_GMCH_SIZE_VT_EN	(0x8 << 8)
+#define G4x_GMCH_SIZE_VT_1M	(G4x_GMCH_SIZE_1M | G4x_GMCH_SIZE_VT_EN)
+#define G4x_GMCH_SIZE_VT_1_5M	((0x2 << 8) | G4x_GMCH_SIZE_VT_EN)
+#define G4x_GMCH_SIZE_VT_2M	(G4x_GMCH_SIZE_2M | G4x_GMCH_SIZE_VT_EN)
 
 #define GFX_FLSH_CNTL		0x2170 /* 915+ */
 

drivers/gpio/wm831x-gpio.c

@@ -180,6 +180,7 @@ static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 			break;
 		case WM831X_GPIO_PULL_UP:
 			pull = "pullup";
+			break;
 		default:
 			pull = "INVALID PULL";
 			break;

drivers/gpu/drm/i915/i915_dma.c

@@ -1943,7 +1943,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	if (!dev_priv->mm.gtt) {
 		DRM_ERROR("Failed to initialize GTT\n");
 		ret = -ENODEV;
-		goto out_iomapfree;
+		goto out_rmmap;
 	}
 
 	agp_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
@@ -1987,7 +1987,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	if (dev_priv->wq == NULL) {
 		DRM_ERROR("Failed to create our workqueue.\n");
 		ret = -ENOMEM;
-		goto out_iomapfree;
+		goto out_mtrrfree;
 	}
 
 	/* enable GEM by default */
@@ -2074,13 +2074,21 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	return 0;
 
 out_gem_unload:
+	if (dev_priv->mm.inactive_shrinker.shrink)
+		unregister_shrinker(&dev_priv->mm.inactive_shrinker);
+
 	if (dev->pdev->msi_enabled)
 		pci_disable_msi(dev->pdev);
 
 	intel_teardown_gmbus(dev);
 	intel_teardown_mchbar(dev);
 	destroy_workqueue(dev_priv->wq);
-out_iomapfree:
+out_mtrrfree:
+	if (dev_priv->mm.gtt_mtrr >= 0) {
+		mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base,
+			 dev->agp->agp_info.aper_size * 1024 * 1024);
+		dev_priv->mm.gtt_mtrr = -1;
+	}
 	io_mapping_free(dev_priv->mm.gtt_mapping);
 out_rmmap:
 	pci_iounmap(dev->pdev, dev_priv->regs);

drivers/gpu/drm/i915/i915_drv.c

@@ -52,7 +52,7 @@ module_param_named(powersave, i915_powersave, int, 0600);
 unsigned int i915_semaphores = 0;
 module_param_named(semaphores, i915_semaphores, int, 0600);
 
-unsigned int i915_enable_rc6 = 1;
+unsigned int i915_enable_rc6 = 0;
 module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
 
 unsigned int i915_enable_fbc = 0;
@@ -577,6 +577,7 @@ int i915_reset(struct drm_device *dev, u8 flags)
 	if (get_seconds() - dev_priv->last_gpu_reset < 5) {
 		DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
 	} else switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		ret = gen6_do_reset(dev, flags);
 		/* If reset with a user forcewake, try to restore */

drivers/gpu/drm/i915/i915_drv.h

@@ -262,6 +262,7 @@ enum intel_pch {
 };
 
 #define QUIRK_PIPEA_FORCE (1<<0)
+#define QUIRK_LVDS_SSC_DISABLE (1<<1)
 
 struct intel_fbdev;
 
@@ -1194,7 +1195,9 @@ void i915_gem_free_all_phys_object(struct drm_device *dev);
 void i915_gem_release(struct drm_device *dev, struct drm_file *file);
 
 uint32_t
-i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj);
+i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev,
+				    uint32_t size,
+				    int tiling_mode);
 
 /* i915_gem_gtt.c */
 void i915_gem_restore_gtt_mappings(struct drm_device *dev);

drivers/gpu/drm/i915/i915_gem.c

@@ -1374,25 +1374,24 @@ i915_gem_free_mmap_offset(struct drm_i915_gem_object *obj)
 }
 
 static uint32_t
-i915_gem_get_gtt_size(struct drm_i915_gem_object *obj)
+i915_gem_get_gtt_size(struct drm_device *dev, uint32_t size, int tiling_mode)
 {
-	struct drm_device *dev = obj->base.dev;
-	uint32_t size;
+	uint32_t gtt_size;
 
 	if (INTEL_INFO(dev)->gen >= 4 ||
-	    obj->tiling_mode == I915_TILING_NONE)
-		return obj->base.size;
+	    tiling_mode == I915_TILING_NONE)
+		return size;
 
 	/* Previous chips need a power-of-two fence region when tiling */
 	if (INTEL_INFO(dev)->gen == 3)
-		size = 1024*1024;
+		gtt_size = 1024*1024;
 	else
-		size = 512*1024;
+		gtt_size = 512*1024;
 
-	while (size < obj->base.size)
-		size <<= 1;
+	while (gtt_size < size)
+		gtt_size <<= 1;
 
-	return size;
+	return gtt_size;
 }
 
 /**
@@ -1403,59 +1402,52 @@ i915_gem_get_gtt_size(struct drm_i915_gem_object *obj)
  * potential fence register mapping.
  */
 static uint32_t
-i915_gem_get_gtt_alignment(struct drm_i915_gem_object *obj)
+i915_gem_get_gtt_alignment(struct drm_device *dev,
+			   uint32_t size,
+			   int tiling_mode)
 {
-	struct drm_device *dev = obj->base.dev;
-
 	/*
 	 * Minimum alignment is 4k (GTT page size), but might be greater
 	 * if a fence register is needed for the object.
 	 */
 	if (INTEL_INFO(dev)->gen >= 4 ||
-	    obj->tiling_mode == I915_TILING_NONE)
+	    tiling_mode == I915_TILING_NONE)
 		return 4096;
 
 	/*
 	 * Previous chips need to be aligned to the size of the smallest
 	 * fence register that can contain the object.
 	 */
-	return i915_gem_get_gtt_size(obj);
+	return i915_gem_get_gtt_size(dev, size, tiling_mode);
 }
 
 /**
  * i915_gem_get_unfenced_gtt_alignment - return required GTT alignment for an
  *					 unfenced object
- * @obj: object to check
+ * @dev: the device
+ * @size: size of the object
+ * @tiling_mode: tiling mode of the object
  *
  * Return the required GTT alignment for an object, only taking into account
  * unfenced tiled surface requirements.
  */
 uint32_t
-i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj)
+i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev,
+				    uint32_t size,
+				    int tiling_mode)
 {
-	struct drm_device *dev = obj->base.dev;
-	int tile_height;
-
 	/*
 	 * Minimum alignment is 4k (GTT page size) for sane hw.
 	 */
 	if (INTEL_INFO(dev)->gen >= 4 || IS_G33(dev) ||
-	    obj->tiling_mode == I915_TILING_NONE)
+	    tiling_mode == I915_TILING_NONE)
 		return 4096;
 
-	/*
-	 * Older chips need unfenced tiled buffers to be aligned to the left
-	 * edge of an even tile row (where tile rows are counted as if the bo is
-	 * placed in a fenced gtt region).
+	/* Previous hardware however needs to be aligned to a power-of-two
+	 * tile height. The simplest method for determining this is to reuse
+	 * the power-of-tile object size.
 	 */
-	if (IS_GEN2(dev))
-		tile_height = 16;
-	else if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
-		tile_height = 32;
-	else
-		tile_height = 8;
-
-	return tile_height * obj->stride * 2;
+	return i915_gem_get_gtt_size(dev, size, tiling_mode);
 }
 
 int
@@ -2744,9 +2736,16 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
 		return -EINVAL;
 	}
 
-	fence_size = i915_gem_get_gtt_size(obj);
-	fence_alignment = i915_gem_get_gtt_alignment(obj);
-	unfenced_alignment = i915_gem_get_unfenced_gtt_alignment(obj);
+	fence_size = i915_gem_get_gtt_size(dev,
+					   obj->base.size,
+					   obj->tiling_mode);
+	fence_alignment = i915_gem_get_gtt_alignment(dev,
+						     obj->base.size,
+						     obj->tiling_mode);
+	unfenced_alignment =
+		i915_gem_get_unfenced_gtt_alignment(dev,
+						    obj->base.size,
+						    obj->tiling_mode);
 
 	if (alignment == 0)
 		alignment = map_and_fenceable ? fence_alignment :

drivers/gpu/drm/i915/i915_gem_tiling.c

@@ -348,7 +348,9 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		/* Rebind if we need a change of alignment */
 		if (!obj->map_and_fenceable) {
 			u32 unfenced_alignment =
-				i915_gem_get_unfenced_gtt_alignment(obj);
+				i915_gem_get_unfenced_gtt_alignment(dev,
+								    obj->base.size,
+								    args->tiling_mode);
 			if (obj->gtt_offset & (unfenced_alignment - 1))
 				ret = i915_gem_object_unbind(obj);
 		}

drivers/gpu/drm/i915/intel_display.c

@@ -4305,7 +4305,8 @@ static void intel_update_watermarks(struct drm_device *dev)
 
 static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
 {
-	return dev_priv->lvds_use_ssc && i915_panel_use_ssc;
+	return dev_priv->lvds_use_ssc && i915_panel_use_ssc
+		&& !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE);
 }
 
 static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
@@ -7810,6 +7811,15 @@ static void quirk_pipea_force (struct drm_device *dev)
 	DRM_DEBUG_DRIVER("applying pipe a force quirk\n");
 }
 
+/*
+ * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason
+ */
+static void quirk_ssc_force_disable(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE;
+}
+
 struct intel_quirk {
 	int device;
 	int subsystem_vendor;
@@ -7838,6 +7848,9 @@ struct intel_quirk intel_quirks[] = {
 	/* 855 & before need to leave pipe A & dpll A up */
 	{ 0x3582, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
 	{ 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
+
+	/* Lenovo U160 cannot use SSC on LVDS */
+	{ 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable },
 };
 
 static void intel_init_quirks(struct drm_device *dev)

drivers/gpu/drm/i915/intel_dp.c

@@ -50,7 +50,6 @@ struct intel_dp {
 	bool has_audio;
 	int force_audio;
 	uint32_t color_range;
-	int dpms_mode;
 	uint8_t link_bw;
 	uint8_t lane_count;
 	uint8_t dpcd[4];
@@ -138,8 +137,8 @@ intel_dp_max_lane_count(struct intel_dp *intel_dp)
 {
 	int max_lane_count = 4;
 
-	if (intel_dp->dpcd[0] >= 0x11) {
-		max_lane_count = intel_dp->dpcd[2] & 0x1f;
+	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) {
+		max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
 		switch (max_lane_count) {
 		case 1: case 2: case 4:
 			break;
@@ -153,7 +152,7 @@ intel_dp_max_lane_count(struct intel_dp *intel_dp)
 static int
 intel_dp_max_link_bw(struct intel_dp *intel_dp)
 {
-	int max_link_bw = intel_dp->dpcd[1];
+	int max_link_bw = intel_dp->dpcd[DP_MAX_LINK_RATE];
 
 	switch (max_link_bw) {
 	case DP_LINK_BW_1_62:
@@ -774,7 +773,8 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	/*
 	 * Check for DPCD version > 1.1 and enhanced framing support
 	 */
-	if (intel_dp->dpcd[0] >= 0x11 && (intel_dp->dpcd[2] & DP_ENHANCED_FRAME_CAP)) {
+	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
+	    (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) {
 		intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
 		intel_dp->DP |= DP_ENHANCED_FRAMING;
 	}
@@ -942,11 +942,44 @@ static void ironlake_edp_pll_off(struct drm_encoder *encoder)
 	udelay(200);
 }
 
+/* If the sink supports it, try to set the power state appropriately */
+static void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode)
+{
+	int ret, i;
+
+	/* Should have a valid DPCD by this point */
+	if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
+		return;
+
+	if (mode != DRM_MODE_DPMS_ON) {
+		ret = intel_dp_aux_native_write_1(intel_dp, DP_SET_POWER,
+						  DP_SET_POWER_D3);
+		if (ret != 1)
+			DRM_DEBUG_DRIVER("failed to write sink power state\n");
+	} else {
+		/*
+		 * When turning on, we need to retry for 1ms to give the sink
+		 * time to wake up.
+		 */
+		for (i = 0; i < 3; i++) {
+			ret = intel_dp_aux_native_write_1(intel_dp,
+							  DP_SET_POWER,
+							  DP_SET_POWER_D0);
+			if (ret == 1)
+				break;
+			msleep(1);
+		}
+	}
+}
+
 static void intel_dp_prepare(struct drm_encoder *encoder)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_device *dev = encoder->dev;
 
+	/* Wake up the sink first */
+	intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+
 	if (is_edp(intel_dp)) {
 		ironlake_edp_backlight_off(dev);
 		ironlake_edp_panel_off(dev);
@@ -990,6 +1023,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 	if (mode != DRM_MODE_DPMS_ON) {
 		if (is_edp(intel_dp))
 			ironlake_edp_backlight_off(dev);
+		intel_dp_sink_dpms(intel_dp, mode);
 		intel_dp_link_down(intel_dp);
 		if (is_edp(intel_dp))
 			ironlake_edp_panel_off(dev);
@@ -998,6 +1032,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 	} else {
 		if (is_edp(intel_dp))
 			ironlake_edp_panel_vdd_on(intel_dp);
+		intel_dp_sink_dpms(intel_dp, mode);
 		if (!(dp_reg & DP_PORT_EN)) {
 			intel_dp_start_link_train(intel_dp);
 			if (is_edp(intel_dp)) {
@@ -1009,7 +1044,31 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 		if (is_edp(intel_dp))
 			ironlake_edp_backlight_on(dev);
 	}
-	intel_dp->dpms_mode = mode;
+}
+
+/*
+ * Native read with retry for link status and receiver capability reads for
+ * cases where the sink may still be asleep.
+ */
+static bool
+intel_dp_aux_native_read_retry(struct intel_dp *intel_dp, uint16_t address,
+			       uint8_t *recv, int recv_bytes)
+{
+	int ret, i;
+
+	/*
+	 * Sinks are *supposed* to come up within 1ms from an off state,
+	 * but we're also supposed to retry 3 times per the spec.
+	 */
+	for (i = 0; i < 3; i++) {
+		ret = intel_dp_aux_native_read(intel_dp, address, recv,
+					       recv_bytes);
+		if (ret == recv_bytes)
+			return true;
+		msleep(1);
+	}
+
+	return false;
 }
 
 /*
@@ -1019,14 +1078,10 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 static bool
 intel_dp_get_link_status(struct intel_dp *intel_dp)
 {
-	int ret;
-
-	ret = intel_dp_aux_native_read(intel_dp,
-				       DP_LANE0_1_STATUS,
-				       intel_dp->link_status, DP_LINK_STATUS_SIZE);
-	if (ret != DP_LINK_STATUS_SIZE)
-		return false;
-	return true;
+	return intel_dp_aux_native_read_retry(intel_dp,
+					      DP_LANE0_1_STATUS,
+					      intel_dp->link_status,
+					      DP_LINK_STATUS_SIZE);
 }
 
 static uint8_t
@@ -1515,6 +1570,8 @@ intel_dp_link_down(struct intel_dp *intel_dp)
 static void
 intel_dp_check_link_status(struct intel_dp *intel_dp)
 {
+	int ret;
+
 	if (!intel_dp->base.base.crtc)
 		return;
 
@@ -1523,6 +1580,15 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
 		return;
 	}
 
+	/* Try to read receiver status if the link appears to be up */
+	ret = intel_dp_aux_native_read(intel_dp,
+				       0x000, intel_dp->dpcd,
+				       sizeof (intel_dp->dpcd));
+	if (ret != sizeof(intel_dp->dpcd)) {
+		intel_dp_link_down(intel_dp);
+		return;
+	}
+
 	if (!intel_channel_eq_ok(intel_dp)) {
 		intel_dp_start_link_train(intel_dp);
 		intel_dp_complete_link_train(intel_dp);
@@ -1533,6 +1599,7 @@ static enum drm_connector_status
 ironlake_dp_detect(struct intel_dp *intel_dp)
 {
 	enum drm_connector_status status;
+	bool ret;
 
 	/* Can't disconnect eDP, but you can close the lid... */
 	if (is_edp(intel_dp)) {
@@ -1543,13 +1610,11 @@ ironlake_dp_detect(struct intel_dp *intel_dp)
 	}
 
 	status = connector_status_disconnected;
-	if (intel_dp_aux_native_read(intel_dp,
-				     0x000, intel_dp->dpcd,
-				     sizeof (intel_dp->dpcd))
-	    == sizeof(intel_dp->dpcd)) {
-		if (intel_dp->dpcd[0] != 0)
-			status = connector_status_connected;
-	}
+	ret = intel_dp_aux_native_read_retry(intel_dp,
+					     0x000, intel_dp->dpcd,
+					     sizeof (intel_dp->dpcd));
+	if (ret && intel_dp->dpcd[DP_DPCD_REV] != 0)
+		status = connector_status_connected;
 	DRM_DEBUG_KMS("DPCD: %hx%hx%hx%hx\n", intel_dp->dpcd[0],
 		      intel_dp->dpcd[1], intel_dp->dpcd[2], intel_dp->dpcd[3]);
 	return status;
@@ -1586,7 +1651,7 @@ g4x_dp_detect(struct intel_dp *intel_dp)
 	if (intel_dp_aux_native_read(intel_dp, 0x000, intel_dp->dpcd,
 				     sizeof (intel_dp->dpcd)) == sizeof (intel_dp->dpcd))
 	{
-		if (intel_dp->dpcd[0] != 0)
+		if (intel_dp->dpcd[DP_DPCD_REV] != 0)
 			status = connector_status_connected;
 	}
 
@@ -1790,8 +1855,7 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder)
 {
 	struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
 
-	if (intel_dp->dpms_mode == DRM_MODE_DPMS_ON)
-		intel_dp_check_link_status(intel_dp);
+	intel_dp_check_link_status(intel_dp);
 }
 
 /* Return which DP Port should be selected for Transcoder DP control */
@@ -1859,7 +1923,6 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 		return;
 
 	intel_dp->output_reg = output_reg;
-	intel_dp->dpms_mode = -1;
 
 	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
 	if (!intel_connector) {
@@ -1954,8 +2017,9 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 					       sizeof(intel_dp->dpcd));
 		ironlake_edp_panel_vdd_off(intel_dp);
 		if (ret == sizeof(intel_dp->dpcd)) {
-			if (intel_dp->dpcd[0] >= 0x11)
-				dev_priv->no_aux_handshake = intel_dp->dpcd[3] &
+			if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
+				dev_priv->no_aux_handshake =
+					intel_dp->dpcd[DP_MAX_DOWNSPREAD] &
 					DP_NO_AUX_HANDSHAKE_LINK_TRAINING;
 		} else {
 			/* if this fails, presume the device is a ghost */

drivers/gpu/drm/i915/intel_ringbuffer.h

@@ -165,7 +165,7 @@ void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring);
 int __must_check intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n);
 static inline int intel_wait_ring_idle(struct intel_ring_buffer *ring)
 {
-	return intel_wait_ring_buffer(ring, ring->space - 8);
+	return intel_wait_ring_buffer(ring, ring->size - 8);
 }
 
 int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n);

drivers/gpu/drm/radeon/evergreen.c

@@ -2000,7 +2000,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 			gb_backend_map = 0x66442200;
 			break;
 		case CHIP_JUNIPER:
-			gb_backend_map = 0x00006420;
+			gb_backend_map = 0x00002200;
 			break;
 		default:
 			gb_backend_map =

drivers/gpu/drm/radeon/evergreen_blit_kms.c

@@ -252,7 +252,7 @@ draw_auto(struct radeon_device *rdev)
 
 }
 
-/* emits 36 */
+/* emits 39 */
 static void
 set_default_state(struct radeon_device *rdev)
 {
@@ -531,6 +531,11 @@ set_default_state(struct radeon_device *rdev)
 		radeon_ring_write(rdev, (SQ_DYN_GPR_CNTL_PS_FLUSH_REQ - PACKET3_SET_CONFIG_REG_START) >> 2);
 		radeon_ring_write(rdev, 0);
 
+		/* setup LDS */
+		radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+		radeon_ring_write(rdev, (SQ_LDS_RESOURCE_MGMT - PACKET3_SET_CONFIG_REG_START) >> 2);
+		radeon_ring_write(rdev, 0x10001000);
+
 		/* SQ config */
 		radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 11));
 		radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_START) >> 2);
@@ -773,7 +778,7 @@ int evergreen_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
 	/* calculate number of loops correctly */
 	ring_size = num_loops * dwords_per_loop;
 	/* set default  + shaders */
-	ring_size += 52; /* shaders + def state */
+	ring_size += 55; /* shaders + def state */
 	ring_size += 10; /* fence emit for VB IB */
 	ring_size += 5; /* done copy */
 	ring_size += 10; /* fence emit for done copy */

drivers/gpu/drm/radeon/radeon_bios.c

@@ -331,7 +331,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev)
 
 	seprom_cntl1 = RREG32(RADEON_SEPROM_CNTL1);
 	viph_control = RREG32(RADEON_VIPH_CONTROL);
-	bus_cntl = RREG32(RADEON_BUS_CNTL);
+	bus_cntl = RREG32(RV370_BUS_CNTL);
 	d1vga_control = RREG32(AVIVO_D1VGA_CONTROL);
 	d2vga_control = RREG32(AVIVO_D2VGA_CONTROL);
 	vga_render_control = RREG32(AVIVO_VGA_RENDER_CONTROL);
@@ -350,7 +350,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev)
 	WREG32(RADEON_VIPH_CONTROL, (viph_control & ~RADEON_VIPH_EN));
 
 	/* enable the rom */
-	WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM));
+	WREG32(RV370_BUS_CNTL, (bus_cntl & ~RV370_BUS_BIOS_DIS_ROM));
 
 	/* Disable VGA mode */
 	WREG32(AVIVO_D1VGA_CONTROL,
@@ -367,7 +367,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev)
 	/* restore regs */
 	WREG32(RADEON_SEPROM_CNTL1, seprom_cntl1);
 	WREG32(RADEON_VIPH_CONTROL, viph_control);
-	WREG32(RADEON_BUS_CNTL, bus_cntl);
+	WREG32(RV370_BUS_CNTL, bus_cntl);
 	WREG32(AVIVO_D1VGA_CONTROL, d1vga_control);
 	WREG32(AVIVO_D2VGA_CONTROL, d2vga_control);
 	WREG32(AVIVO_VGA_RENDER_CONTROL, vga_render_control);
@@ -390,7 +390,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev)
 
 	seprom_cntl1 = RREG32(RADEON_SEPROM_CNTL1);
 	viph_control = RREG32(RADEON_VIPH_CONTROL);
-	bus_cntl = RREG32(RADEON_BUS_CNTL);
+	if (rdev->flags & RADEON_IS_PCIE)
+		bus_cntl = RREG32(RV370_BUS_CNTL);
+	else
+		bus_cntl = RREG32(RADEON_BUS_CNTL);
 	crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
 	crtc2_gen_cntl = 0;
 	crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
@@ -412,7 +415,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev)
 	WREG32(RADEON_VIPH_CONTROL, (viph_control & ~RADEON_VIPH_EN));
 
 	/* enable the rom */
-	WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM));
+	if (rdev->flags & RADEON_IS_PCIE)
+		WREG32(RV370_BUS_CNTL, (bus_cntl & ~RV370_BUS_BIOS_DIS_ROM));
+	else
+		WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM));
 
 	/* Turn off mem requests and CRTC for both controllers */
 	WREG32(RADEON_CRTC_GEN_CNTL,
@@ -439,7 +445,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev)
 	/* restore regs */
 	WREG32(RADEON_SEPROM_CNTL1, seprom_cntl1);
 	WREG32(RADEON_VIPH_CONTROL, viph_control);
-	WREG32(RADEON_BUS_CNTL, bus_cntl);
+	if (rdev->flags & RADEON_IS_PCIE)
+		WREG32(RV370_BUS_CNTL, bus_cntl);
+	else
+		WREG32(RADEON_BUS_CNTL, bus_cntl);
 	WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl);
 	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
 		WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);

drivers/gpu/drm/radeon/radeon_connectors.c

@@ -52,6 +52,12 @@ void radeon_connector_hotplug(struct drm_connector *connector)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 
+	/* bail if the connector does not have hpd pin, e.g.,
+	 * VGA, TV, etc.
+	 */
+	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
+		return;
+
 	radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 
 	/* powering up/down the eDP panel generates hpd events which

drivers/gpu/drm/radeon/radeon_reg.h

@@ -300,6 +300,8 @@
 #       define RADEON_BUS_READ_BURST         (1 << 30)
 #define RADEON_BUS_CNTL1                    0x0034
 #       define RADEON_BUS_WAIT_ON_LOCK_EN    (1 << 4)
+#define RV370_BUS_CNTL                      0x004c
+#       define RV370_BUS_BIOS_DIS_ROM        (1 << 2)
 /* rv370/rv380, rv410, r423/r430/r480, r5xx */
 #define RADEON_MSI_REARM_EN		    0x0160
 #	define RV370_MSI_REARM_EN	     (1 << 0)

drivers/gpu/drm/radeon/rs600.c

@@ -426,7 +426,7 @@ int rs600_gart_init(struct radeon_device *rdev)
 	return radeon_gart_table_vram_alloc(rdev);
 }
 
-int rs600_gart_enable(struct radeon_device *rdev)
+static int rs600_gart_enable(struct radeon_device *rdev)
 {
 	u32 tmp;
 	int r, i;
@@ -440,8 +440,8 @@ int rs600_gart_enable(struct radeon_device *rdev)
 		return r;
 	radeon_gart_restore(rdev);
 	/* Enable bus master */
-	tmp = RREG32(R_00004C_BUS_CNTL) & C_00004C_BUS_MASTER_DIS;
-	WREG32(R_00004C_BUS_CNTL, tmp);
+	tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
+	WREG32(RADEON_BUS_CNTL, tmp);
 	/* FIXME: setup default page */
 	WREG32_MC(R_000100_MC_PT0_CNTL,
 		  (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |

drivers/hwmon/adm1275.c

@@ -53,23 +53,23 @@ static int adm1275_probe(struct i2c_client *client,
 	info->direct[PSC_VOLTAGE_IN] = true;
 	info->direct[PSC_VOLTAGE_OUT] = true;
 	info->direct[PSC_CURRENT_OUT] = true;
-	info->m[PSC_CURRENT_OUT] = 800;
+	info->m[PSC_CURRENT_OUT] = 807;
 	info->b[PSC_CURRENT_OUT] = 20475;
 	info->R[PSC_CURRENT_OUT] = -1;
 	info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
 
 	if (config & ADM1275_VRANGE) {
-		info->m[PSC_VOLTAGE_IN] = 19045;
+		info->m[PSC_VOLTAGE_IN] = 19199;
 		info->b[PSC_VOLTAGE_IN] = 0;
 		info->R[PSC_VOLTAGE_IN] = -2;
-		info->m[PSC_VOLTAGE_OUT] = 19045;
+		info->m[PSC_VOLTAGE_OUT] = 19199;
 		info->b[PSC_VOLTAGE_OUT] = 0;
 		info->R[PSC_VOLTAGE_OUT] = -2;
 	} else {
-		info->m[PSC_VOLTAGE_IN] = 6666;
+		info->m[PSC_VOLTAGE_IN] = 6720;
 		info->b[PSC_VOLTAGE_IN] = 0;
 		info->R[PSC_VOLTAGE_IN] = -1;
-		info->m[PSC_VOLTAGE_OUT] = 6666;
+		info->m[PSC_VOLTAGE_OUT] = 6720;
 		info->b[PSC_VOLTAGE_OUT] = 0;
 		info->R[PSC_VOLTAGE_OUT] = -1;
 	}

drivers/hwmon/asus_atk0110.c

@@ -674,6 +674,7 @@ static int atk_debugfs_gitm_get(void *p, u64 *val)
 	else
 		err = -EIO;
 
+	ACPI_FREE(ret);
 	return err;
 }
 

drivers/hwmon/it87.c

@@ -1538,7 +1538,7 @@ static struct attribute *it87_attributes_label[] = {
 };
 
 static const struct attribute_group it87_group_label = {
-	.attrs = it87_attributes_vid,
+	.attrs = it87_attributes_label,
 };
 
 /* SuperIO detection - will change isa_address if a chip is found */

drivers/hwmon/max1111.c

@@ -40,6 +40,8 @@ struct max1111_data {
 	struct spi_transfer	xfer[2];
 	uint8_t *tx_buf;
 	uint8_t *rx_buf;
+	struct mutex		drvdata_lock;
+	/* protect msg, xfer and buffers from multiple access */
 };
 
 static int max1111_read(struct device *dev, int channel)
@@ -48,6 +50,9 @@ static int max1111_read(struct device *dev, int channel)
 	uint8_t v1, v2;
 	int err;
 
+	/* writing to drvdata struct is not thread safe, wait on mutex */
+	mutex_lock(&data->drvdata_lock);
+
 	data->tx_buf[0] = (channel << MAX1111_CTRL_SEL_SH) |
 		MAX1111_CTRL_PD0 | MAX1111_CTRL_PD1 |
 		MAX1111_CTRL_SGL | MAX1111_CTRL_UNI | MAX1111_CTRL_STR;
@@ -55,12 +60,15 @@ static int max1111_read(struct device *dev, int channel)
 	err = spi_sync(data->spi, &data->msg);
 	if (err < 0) {
 		dev_err(dev, "spi_sync failed with %d\n", err);
+		mutex_unlock(&data->drvdata_lock);
 		return err;
 	}
 
 	v1 = data->rx_buf[0];
 	v2 = data->rx_buf[1];
 
+	mutex_unlock(&data->drvdata_lock);
+
 	if ((v1 & 0xc0) || (v2 & 0x3f))
 		return -EINVAL;
 
@@ -176,6 +184,8 @@ static int __devinit max1111_probe(struct spi_device *spi)
 	if (err)
 		goto err_free_data;
 
+	mutex_init(&data->drvdata_lock);
+
 	data->spi = spi;
 	spi_set_drvdata(spi, data);
 
@@ -213,6 +223,7 @@ static int __devexit max1111_remove(struct spi_device *spi)
 
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group);
+	mutex_destroy(&data->drvdata_lock);
 	kfree(data->rx_buf);
 	kfree(data->tx_buf);
 	kfree(data);

drivers/hwmon/pmbus_core.c

@@ -362,8 +362,8 @@ static struct pmbus_data *pmbus_update_device(struct device *dev)
  * Convert linear sensor values to milli- or micro-units
  * depending on sensor type.
  */
-static int pmbus_reg2data_linear(struct pmbus_data *data,
-				 struct pmbus_sensor *sensor)
+static long pmbus_reg2data_linear(struct pmbus_data *data,
+				  struct pmbus_sensor *sensor)
 {
 	s16 exponent;
 	s32 mantissa;
@@ -397,15 +397,15 @@ static int pmbus_reg2data_linear(struct pmbus_data *data,
 	else
 		val >>= -exponent;
 
-	return (int)val;
+	return val;
 }
 
 /*
  * Convert direct sensor values to milli- or micro-units
  * depending on sensor type.
  */
-static int pmbus_reg2data_direct(struct pmbus_data *data,
-				 struct pmbus_sensor *sensor)
+static long pmbus_reg2data_direct(struct pmbus_data *data,
+				  struct pmbus_sensor *sensor)
 {
 	long val = (s16) sensor->data;
 	long m, b, R;
@@ -440,12 +440,12 @@ static int pmbus_reg2data_direct(struct pmbus_data *data,
 		R++;
 	}
 
-	return (int)((val - b) / m);
+	return (val - b) / m;
 }
 
-static int pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)
+static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)
 {
-	int val;
+	long val;
 
 	if (data->info->direct[sensor->class])
 		val = pmbus_reg2data_direct(data, sensor);
@@ -619,7 +619,7 @@ static int pmbus_get_boolean(struct pmbus_data *data, int index, int *val)
 	if (!s1 && !s2)
 		*val = !!regval;
 	else {
-		int v1, v2;
+		long v1, v2;
 		struct pmbus_sensor *sensor1, *sensor2;
 
 		sensor1 = &data->sensors[s1];
@@ -661,7 +661,7 @@ static ssize_t pmbus_show_sensor(struct device *dev,
 	if (sensor->data < 0)
 		return sensor->data;
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", pmbus_reg2data(data, sensor));
+	return snprintf(buf, PAGE_SIZE, "%ld\n", pmbus_reg2data(data, sensor));
 }
 
 static ssize_t pmbus_set_sensor(struct device *dev,

drivers/media/dvb/dvb-core/dvb_frontend.c

@@ -1988,6 +1988,14 @@ static int dvb_frontend_open(struct inode *inode, struct file *file)
 	if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) {
 		if ((ret = fe->ops.ts_bus_ctrl(fe, 1)) < 0)
 			goto err0;
+
+		/* If we took control of the bus, we need to force
+		   reinitialization.  This is because many ts_bus_ctrl()
+		   functions strobe the RESET pin on the demod, and if the
+		   frontend thread already exists then the dvb_init() routine
+		   won't get called (which is what usually does initial
+		   register configuration). */
+		fepriv->reinitialise = 1;
 	}
 
 	if ((ret = dvb_generic_open (inode, file)) < 0)

drivers/media/radio/Kconfig

@@ -168,7 +168,7 @@ config RADIO_MAXIRADIO
 
 config RADIO_MIROPCM20
 	tristate "miroSOUND PCM20 radio"
-	depends on ISA && VIDEO_V4L2 && SND
+	depends on ISA && ISA_DMA_API && VIDEO_V4L2 && SND
 	select SND_ISA
 	select SND_MIRO
 	---help---
@@ -201,7 +201,7 @@ config RADIO_SF16FMI
 
 config RADIO_SF16FMR2
 	tristate "SF16FMR2 Radio"
-	depends on ISA && VIDEO_V4L2
+	depends on ISA && VIDEO_V4L2 && SND
 	---help---
 	  Choose Y here if you have one of these FM radio cards.
 

drivers/media/radio/si4713-i2c.c

@@ -1033,7 +1033,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
 		char ps_name[MAX_RDS_PS_NAME + 1];
 
 		len = control->size - 1;
-		if (len > MAX_RDS_PS_NAME) {
+		if (len < 0 || len > MAX_RDS_PS_NAME) {
 			rval = -ERANGE;
 			goto exit;
 		}
@@ -1057,7 +1057,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
 		char radio_text[MAX_RDS_RADIO_TEXT + 1];
 
 		len = control->size - 1;
-		if (len > MAX_RDS_RADIO_TEXT) {
+		if (len < 0 || len > MAX_RDS_RADIO_TEXT) {
 			rval = -ERANGE;
 			goto exit;
 		}

drivers/media/rc/mceusb.c

@@ -558,9 +558,10 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
 				 inout, data1);
 			break;
 		case MCE_CMD_S_TIMEOUT:
-			/* value is in units of 50us, so x*50/100 or x/2 ms */
+			/* value is in units of 50us, so x*50/1000 ms */
 			dev_info(dev, "%s receive timeout of %d ms\n",
-				 inout, ((data1 << 8) | data2) / 2);
+				 inout,
+				 ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000);
 			break;
 		case MCE_CMD_G_TIMEOUT:
 			dev_info(dev, "Get receive timeout\n");
@@ -847,7 +848,7 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index)
 	switch (ir->buf_in[index]) {
 	/* 2-byte return value commands */
 	case MCE_CMD_S_TIMEOUT:
-		ir->rc->timeout = US_TO_NS((hi << 8 | lo) / 2);
+		ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT);
 		break;
 
 	/* 1-byte return value commands */
@@ -1078,7 +1079,7 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)
 	rc->priv = ir;
 	rc->driver_type = RC_DRIVER_IR_RAW;
 	rc->allowed_protos = RC_TYPE_ALL;
-	rc->timeout = US_TO_NS(1000);
+	rc->timeout = MS_TO_NS(100);
 	if (!ir->flags.no_tx) {
 		rc->s_tx_mask = mceusb_set_tx_mask;
 		rc->s_tx_carrier = mceusb_set_tx_carrier;

drivers/media/rc/nuvoton-cir.c

@@ -1110,7 +1110,7 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 	rdev->dev.parent = &pdev->dev;
 	rdev->driver_name = NVT_DRIVER_NAME;
 	rdev->map_name = RC_MAP_RC6_MCE;
-	rdev->timeout = US_TO_NS(1000);
+	rdev->timeout = MS_TO_NS(100);
 	/* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */
 	rdev->rx_resolution = US_TO_NS(CIR_SAMPLE_PERIOD);
 #if 0

drivers/media/video/cx23885/cx23885-core.c

@@ -2060,12 +2060,8 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
 		goto fail_irq;
 	}
 
-	if (!pci_enable_msi(pci_dev))
-		err = request_irq(pci_dev->irq, cx23885_irq,
-				  IRQF_DISABLED, dev->name, dev);
-	else
-		err = request_irq(pci_dev->irq, cx23885_irq,
-				  IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
+	err = request_irq(pci_dev->irq, cx23885_irq,
+			  IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
 	if (err < 0) {
 		printk(KERN_ERR "%s: can't get IRQ %d\n",
 		       dev->name, pci_dev->irq);
@@ -2114,7 +2110,6 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
 
 	/* unregister stuff */
 	free_irq(pci_dev->irq, dev);
-	pci_disable_msi(pci_dev);
 
 	cx23885_dev_unregister(dev);
 	v4l2_device_unregister(v4l2_dev);

drivers/media/video/tuner-core.c

@@ -714,10 +714,19 @@ static int tuner_remove(struct i2c_client *client)
  * returns 0.
  * This function is needed for boards that have a separate tuner for
  * radio (like devices with tea5767).
+ * NOTE: mt20xx uses V4L2_TUNER_DIGITAL_TV and calls set_tv_freq to
+ *       select a TV frequency. So, t_mode = T_ANALOG_TV could actually
+ *	 be used to represent a Digital TV too.
  */
 static inline int check_mode(struct tuner *t, enum v4l2_tuner_type mode)
 {
-	if ((1 << mode & t->mode_mask) == 0)
+	int t_mode;
+	if (mode == V4L2_TUNER_RADIO)
+		t_mode = T_RADIO;
+	else
+		t_mode = T_ANALOG_TV;
+
+	if ((t_mode & t->mode_mask) == 0)
 		return -EINVAL;
 
 	return 0;
@@ -984,7 +993,7 @@ static void tuner_status(struct dvb_frontend *fe)
 	case V4L2_TUNER_RADIO:
 		p = "radio";
 		break;
-	case V4L2_TUNER_DIGITAL_TV:
+	case V4L2_TUNER_DIGITAL_TV: /* Used by mt20xx */
 		p = "digital TV";
 		break;
 	case V4L2_TUNER_ANALOG_TV:
@@ -1135,9 +1144,8 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
 		return 0;
 	if (vt->type == t->mode && analog_ops->get_afc)
 		vt->afc = analog_ops->get_afc(&t->fe);
-	if (vt->type == V4L2_TUNER_ANALOG_TV)
+	if (t->mode != V4L2_TUNER_RADIO) {
 		vt->capability |= V4L2_TUNER_CAP_NORM;
-	if (vt->type != V4L2_TUNER_RADIO) {
 		vt->rangelow = tv_range[0] * 16;
 		vt->rangehigh = tv_range[1] * 16;
 		return 0;

drivers/mmc/core/mmc.c

@@ -247,12 +247,12 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 		return 0;
 
 	/* Version is coded in the CSD_STRUCTURE byte in the EXT_CSD register */
+	card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE];
 	if (card->csd.structure == 3) {
-		int ext_csd_struct = ext_csd[EXT_CSD_STRUCTURE];
-		if (ext_csd_struct > 2) {
+		if (card->ext_csd.raw_ext_csd_structure > 2) {
 			printk(KERN_ERR "%s: unrecognised EXT_CSD structure "
 				"version %d\n", mmc_hostname(card->host),
-					ext_csd_struct);
+					card->ext_csd.raw_ext_csd_structure);
 			err = -EINVAL;
 			goto out;
 		}
@@ -266,6 +266,10 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 		goto out;
 	}
 
+	card->ext_csd.raw_sectors[0] = ext_csd[EXT_CSD_SEC_CNT + 0];
+	card->ext_csd.raw_sectors[1] = ext_csd[EXT_CSD_SEC_CNT + 1];
+	card->ext_csd.raw_sectors[2] = ext_csd[EXT_CSD_SEC_CNT + 2];
+	card->ext_csd.raw_sectors[3] = ext_csd[EXT_CSD_SEC_CNT + 3];
 	if (card->ext_csd.rev >= 2) {
 		card->ext_csd.sectors =
 			ext_csd[EXT_CSD_SEC_CNT + 0] << 0 |
@@ -277,7 +281,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 		if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512)
 			mmc_card_set_blockaddr(card);
 	}
-
+	card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE];
 	switch (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_MASK) {
 	case EXT_CSD_CARD_TYPE_DDR_52 | EXT_CSD_CARD_TYPE_52 |
 	     EXT_CSD_CARD_TYPE_26:
@@ -307,6 +311,11 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 			mmc_hostname(card->host));
 	}
 
+	card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT];
+	card->ext_csd.raw_erase_timeout_mult =
+		ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT];
+	card->ext_csd.raw_hc_erase_grp_size =
+		ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE];
 	if (card->ext_csd.rev >= 3) {
 		u8 sa_shift = ext_csd[EXT_CSD_S_A_TIMEOUT];
 		card->ext_csd.part_config = ext_csd[EXT_CSD_PART_CONFIG];
@@ -334,6 +343,16 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 		card->ext_csd.boot_size = ext_csd[EXT_CSD_BOOT_MULT] << 17;
 	}
 
+	card->ext_csd.raw_hc_erase_gap_size =
+		ext_csd[EXT_CSD_PARTITION_ATTRIBUTE];
+	card->ext_csd.raw_sec_trim_mult =
+		ext_csd[EXT_CSD_SEC_TRIM_MULT];
+	card->ext_csd.raw_sec_erase_mult =
+		ext_csd[EXT_CSD_SEC_ERASE_MULT];
+	card->ext_csd.raw_sec_feature_support =
+		ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT];
+	card->ext_csd.raw_trim_mult =
+		ext_csd[EXT_CSD_TRIM_MULT];
 	if (card->ext_csd.rev >= 4) {
 		/*
 		 * Enhanced area feature support -- check whether the eMMC
@@ -341,7 +360,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 		 * area offset and size to user by adding sysfs interface.
 		 */
 		if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) &&
-				(ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
+		    (ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
 			u8 hc_erase_grp_sz =
 				ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE];
 			u8 hc_wp_grp_sz =
@@ -401,17 +420,17 @@ static inline void mmc_free_ext_csd(u8 *ext_csd)
 }
 
 
-static int mmc_compare_ext_csds(struct mmc_card *card, u8 *ext_csd,
-			unsigned bus_width)
+static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width)
 {
 	u8 *bw_ext_csd;
 	int err;
 
-	err = mmc_get_ext_csd(card, &bw_ext_csd);
-	if (err)
-		return err;
+	if (bus_width == MMC_BUS_WIDTH_1)
+		return 0;
 
-	if ((ext_csd == NULL || bw_ext_csd == NULL)) {
+	err = mmc_get_ext_csd(card, &bw_ext_csd);
+
+	if (err || bw_ext_csd == NULL) {
 		if (bus_width != MMC_BUS_WIDTH_1)
 			err = -EINVAL;
 		goto out;
@@ -421,35 +440,40 @@ static int mmc_compare_ext_csds(struct mmc_card *card, u8 *ext_csd,
 		goto out;
 
 	/* only compare read only fields */
-	err = (!(ext_csd[EXT_CSD_PARTITION_SUPPORT] ==
+	err = (!(card->ext_csd.raw_partition_support ==
 			bw_ext_csd[EXT_CSD_PARTITION_SUPPORT]) &&
-		(ext_csd[EXT_CSD_ERASED_MEM_CONT] ==
+		(card->ext_csd.raw_erased_mem_count ==
 			bw_ext_csd[EXT_CSD_ERASED_MEM_CONT]) &&
-		(ext_csd[EXT_CSD_REV] ==
+		(card->ext_csd.rev ==
 			bw_ext_csd[EXT_CSD_REV]) &&
-		(ext_csd[EXT_CSD_STRUCTURE] ==
+		(card->ext_csd.raw_ext_csd_structure ==
 			bw_ext_csd[EXT_CSD_STRUCTURE]) &&
-		(ext_csd[EXT_CSD_CARD_TYPE] ==
+		(card->ext_csd.raw_card_type ==
 			bw_ext_csd[EXT_CSD_CARD_TYPE]) &&
-		(ext_csd[EXT_CSD_S_A_TIMEOUT] ==
+		(card->ext_csd.raw_s_a_timeout ==
 			bw_ext_csd[EXT_CSD_S_A_TIMEOUT]) &&
-		(ext_csd[EXT_CSD_HC_WP_GRP_SIZE] ==
+		(card->ext_csd.raw_hc_erase_gap_size ==
 			bw_ext_csd[EXT_CSD_HC_WP_GRP_SIZE]) &&
-		(ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] ==
+		(card->ext_csd.raw_erase_timeout_mult ==
 			bw_ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT]) &&
-		(ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] ==
+		(card->ext_csd.raw_hc_erase_grp_size ==
 			bw_ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]) &&
-		(ext_csd[EXT_CSD_SEC_TRIM_MULT] ==
+		(card->ext_csd.raw_sec_trim_mult ==
 			bw_ext_csd[EXT_CSD_SEC_TRIM_MULT]) &&
-		(ext_csd[EXT_CSD_SEC_ERASE_MULT] ==
+		(card->ext_csd.raw_sec_erase_mult ==
 			bw_ext_csd[EXT_CSD_SEC_ERASE_MULT]) &&
-		(ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT] ==
+		(card->ext_csd.raw_sec_feature_support ==
 			bw_ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT]) &&
-		(ext_csd[EXT_CSD_TRIM_MULT] ==
+		(card->ext_csd.raw_trim_mult ==
 			bw_ext_csd[EXT_CSD_TRIM_MULT]) &&
-		memcmp(&ext_csd[EXT_CSD_SEC_CNT],
-		       &bw_ext_csd[EXT_CSD_SEC_CNT],
-		       4) != 0);
+		(card->ext_csd.raw_sectors[0] ==
+			bw_ext_csd[EXT_CSD_SEC_CNT + 0]) &&
+		(card->ext_csd.raw_sectors[1] ==
+			bw_ext_csd[EXT_CSD_SEC_CNT + 1]) &&
+		(card->ext_csd.raw_sectors[2] ==
+			bw_ext_csd[EXT_CSD_SEC_CNT + 2]) &&
+		(card->ext_csd.raw_sectors[3] ==
+			bw_ext_csd[EXT_CSD_SEC_CNT + 3]));
 	if (err)
 		err = -EINVAL;
 
@@ -770,7 +794,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 				 */
 				if (!(host->caps & MMC_CAP_BUS_WIDTH_TEST))
 					err = mmc_compare_ext_csds(card,
-						ext_csd,
 						bus_width);
 				else
 					err = mmc_bus_test(card, bus_width);

drivers/net/bonding/bond_main.c

@@ -1428,9 +1428,9 @@ out:
 	return features;
 }
 
-#define BOND_VLAN_FEATURES	(NETIF_F_ALL_TX_OFFLOADS | \
-				 NETIF_F_SOFT_FEATURES | \
-				 NETIF_F_LRO)
+#define BOND_VLAN_FEATURES	(NETIF_F_ALL_CSUM | NETIF_F_SG | \
+				 NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
+				 NETIF_F_HIGHDMA | NETIF_F_LRO)
 
 static void bond_compute_features(struct bonding *bond)
 {

drivers/net/gianfar.c

@@ -2289,6 +2289,23 @@ static int gfar_set_mac_address(struct net_device *dev)
 	return 0;
 }
 
+/* Check if rx parser should be activated */
+void gfar_check_rx_parser_mode(struct gfar_private *priv)
+{
+	struct gfar __iomem *regs;
+	u32 tempval;
+
+	regs = priv->gfargrp[0].regs;
+
+	tempval = gfar_read(&regs->rctrl);
+	/* If parse is no longer required, then disable parser */
+	if (tempval & RCTRL_REQ_PARSER)
+		tempval |= RCTRL_PRSDEP_INIT;
+	else
+		tempval &= ~RCTRL_PRSDEP_INIT;
+	gfar_write(&regs->rctrl, tempval);
+}
+
 
 /* Enables and disables VLAN insertion/extraction */
 static void gfar_vlan_rx_register(struct net_device *dev,
@@ -2325,12 +2342,9 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 		/* Disable VLAN tag extraction */
 		tempval = gfar_read(&regs->rctrl);
 		tempval &= ~RCTRL_VLEX;
-		/* If parse is no longer required, then disable parser */
-		if (tempval & RCTRL_REQ_PARSER)
-			tempval |= RCTRL_PRSDEP_INIT;
-		else
-			tempval &= ~RCTRL_PRSDEP_INIT;
 		gfar_write(&regs->rctrl, tempval);
+
+		gfar_check_rx_parser_mode(priv);
 	}
 
 	gfar_change_mtu(dev, dev->mtu);

drivers/net/gianfar.h

@@ -274,7 +274,7 @@ extern const char gfar_driver_version[];
 #define RCTRL_PROM		0x00000008
 #define RCTRL_EMEN		0x00000002
 #define RCTRL_REQ_PARSER	(RCTRL_VLEX | RCTRL_IPCSEN | \
-				 RCTRL_TUCSEN)
+				 RCTRL_TUCSEN | RCTRL_FILREN)
 #define RCTRL_CHECKSUMMING	(RCTRL_IPCSEN | RCTRL_TUCSEN | \
 				RCTRL_PRSDEP_INIT)
 #define RCTRL_EXTHASH		(RCTRL_GHTX)
@@ -1156,6 +1156,7 @@ extern void gfar_configure_coalescing(struct gfar_private *priv,
 		unsigned long tx_mask, unsigned long rx_mask);
 void gfar_init_sysfs(struct net_device *dev);
 int gfar_set_features(struct net_device *dev, u32 features);
+extern void gfar_check_rx_parser_mode(struct gfar_private *priv);
 
 extern const struct ethtool_ops gfar_ethtool_ops;
 

drivers/net/natsemi.c

@@ -140,7 +140,7 @@ MODULE_LICENSE("GPL");
 module_param(mtu, int, 0);
 module_param(debug, int, 0);
 module_param(rx_copybreak, int, 0);
-module_param(dspcfg_workaround, int, 1);
+module_param(dspcfg_workaround, int, 0);
 module_param_array(options, int, NULL, 0);
 module_param_array(full_duplex, int, NULL, 0);
 MODULE_PARM_DESC(mtu, "DP8381x MTU (all boards)");
@@ -2028,8 +2028,8 @@ static void drain_rx(struct net_device *dev)
 		np->rx_ring[i].cmd_status = 0;
 		np->rx_ring[i].addr = cpu_to_le32(0xBADF00D0); /* An invalid address. */
 		if (np->rx_skbuff[i]) {
-			pci_unmap_single(np->pci_dev,
-				np->rx_dma[i], buflen,
+			pci_unmap_single(np->pci_dev, np->rx_dma[i],
+				buflen + NATSEMI_PADDING,
 				PCI_DMA_FROMDEVICE);
 			dev_kfree_skb(np->rx_skbuff[i]);
 		}

drivers/net/pppoe.c

@@ -348,8 +348,9 @@ static int pppoe_device_event(struct notifier_block *this,
 
 	/* Only look at sockets that are using this specific device. */
 	switch (event) {
+	case NETDEV_CHANGEADDR:
 	case NETDEV_CHANGEMTU:
-		/* A change in mtu is a bad thing, requiring
+		/* A change in mtu or address is a bad thing, requiring
 		 * LCP re-negotiation.
 		 */
 

drivers/net/r6040.c

@@ -677,9 +677,11 @@ static irqreturn_t r6040_interrupt(int irq, void *dev_id)
 		if (status & RX_FIFO_FULL)
 			dev->stats.rx_fifo_errors++;
 
-		/* Mask off RX interrupt */
-		misr &= ~RX_INTS;
-		napi_schedule(&lp->napi);
+		if (likely(napi_schedule_prep(&lp->napi))) {
+			/* Mask off RX interrupt */
+			misr &= ~RX_INTS;
+			__napi_schedule(&lp->napi);
+		}
 	}
 
 	/* TX interrupt request */

drivers/net/slip.c

@@ -182,10 +182,10 @@ static int sl_alloc_bufs(struct slip *sl, int mtu)
 #ifdef SL_INCLUDE_CSLIP
 	cbuff = xchg(&sl->cbuff, cbuff);
 	slcomp = xchg(&sl->slcomp, slcomp);
+#endif
 #ifdef CONFIG_SLIP_MODE_SLIP6
 	sl->xdata    = 0;
 	sl->xbits    = 0;
-#endif
 #endif
 	spin_unlock_bh(&sl->lock);
 	err = 0;

drivers/net/tulip/dmfe.c

@@ -879,7 +879,6 @@ static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db)
 	txptr = db->tx_remove_ptr;
 	while(db->tx_packet_cnt) {
 		tdes0 = le32_to_cpu(txptr->tdes0);
-		pr_debug("tdes0=%x\n", tdes0);
 		if (tdes0 & 0x80000000)
 			break;
 
@@ -889,7 +888,6 @@ static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db)
 
 		/* Transmit statistic counter */
 		if ( tdes0 != 0x7fffffff ) {
-			pr_debug("tdes0=%x\n", tdes0);
 			dev->stats.collisions += (tdes0 >> 3) & 0xf;
 			dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff;
 			if (tdes0 & TDES0_ERR_MASK) {
@@ -986,7 +984,6 @@ static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db)
 			/* error summary bit check */
 			if (rdes0 & 0x8000) {
 				/* This is a error packet */
-				pr_debug("rdes0: %x\n", rdes0);
 				dev->stats.rx_errors++;
 				if (rdes0 & 1)
 					dev->stats.rx_fifo_errors++;
@@ -1638,7 +1635,6 @@ static u8 dmfe_sense_speed(struct dmfe_board_info * db)
 		else 				/* DM9102/DM9102A */
 			phy_mode = phy_read(db->ioaddr,
 				    db->phy_addr, 17, db->chip_id) & 0xf000;
-		pr_debug("Phy_mode %x\n", phy_mode);
 		switch (phy_mode) {
 		case 0x1000: db->op_mode = DMFE_10MHF; break;
 		case 0x2000: db->op_mode = DMFE_10MFD; break;

drivers/net/usb/hso.c

@@ -2421,10 +2421,8 @@ static void hso_free_net_device(struct hso_device *hso_dev)
 
 	remove_net_device(hso_net->parent);
 
-	if (hso_net->net) {
+	if (hso_net->net)
 		unregister_netdev(hso_net->net);
-		free_netdev(hso_net->net);
-	}
 
 	/* start freeing */
 	for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) {
@@ -2436,6 +2434,9 @@ static void hso_free_net_device(struct hso_device *hso_dev)
 	kfree(hso_net->mux_bulk_tx_buf);
 	hso_net->mux_bulk_tx_buf = NULL;
 
+	if (hso_net->net)
+		free_netdev(hso_net->net);
+
 	kfree(hso_dev);
 }
 

drivers/net/wireless/ath/ath5k/pci.c

@@ -297,7 +297,9 @@ ath5k_pci_remove(struct pci_dev *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int ath5k_pci_suspend(struct device *dev)
 {
-	struct ath5k_softc *sc = pci_get_drvdata(to_pci_dev(dev));
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct ath5k_softc *sc = hw->priv;
 
 	ath5k_led_off(sc);
 	return 0;
@@ -306,7 +308,8 @@ static int ath5k_pci_suspend(struct device *dev)
 static int ath5k_pci_resume(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
-	struct ath5k_softc *sc = pci_get_drvdata(pdev);
+	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct ath5k_softc *sc = hw->priv;
 
 	/*
 	 * Suspend/Resume resets the PCI configuration space, so we have to

drivers/net/wireless/ath/ath5k/sysfs.c

@@ -10,7 +10,8 @@ static ssize_t ath5k_attr_show_##name(struct device *dev,		\
 			struct device_attribute *attr,			\
 			char *buf)					\
 {									\
-	struct ath5k_softc *sc = dev_get_drvdata(dev);			\
+	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
+	struct ath5k_softc *sc = hw->priv;				\
 	return snprintf(buf, PAGE_SIZE, "%d\n", get); 			\
 }									\
 									\
@@ -18,7 +19,8 @@ static ssize_t ath5k_attr_store_##name(struct device *dev,		\
 			struct device_attribute *attr,			\
 			const char *buf, size_t count)			\
 {									\
-	struct ath5k_softc *sc = dev_get_drvdata(dev);			\
+	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
+	struct ath5k_softc *sc = hw->priv;				\
 	int val;							\
 									\
 	val = (int)simple_strtoul(buf, NULL, 10);			\
@@ -33,7 +35,8 @@ static ssize_t ath5k_attr_show_##name(struct device *dev,		\
 			struct device_attribute *attr,			\
 			char *buf)					\
 {									\
-	struct ath5k_softc *sc = dev_get_drvdata(dev);			\
+	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
+	struct ath5k_softc *sc = hw->priv;				\
 	return snprintf(buf, PAGE_SIZE, "%d\n", get); 			\
 }									\
 static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL)

drivers/net/wireless/ath/ath9k/xmit.c

@@ -671,7 +671,8 @@ static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
 	 * TODO - this could be improved to be dependent on the rate.
 	 *      The hardware can keep up at lower rates, but not higher rates
 	 */
-	if (fi->keyix != ATH9K_TXKEYIX_INVALID)
+	if ((fi->keyix != ATH9K_TXKEYIX_INVALID) &&
+	    !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA))
 		ndelim += ATH_AGGR_ENCRYPTDELIM;
 
 	/*

drivers/net/wireless/ath/carl9170/usb.c

@@ -112,6 +112,8 @@ static struct usb_device_id carl9170_usb_ids[] = {
 	{ USB_DEVICE(0x04bb, 0x093f) },
 	/* NEC WL300NU-G */
 	{ USB_DEVICE(0x0409, 0x0249) },
+	/* NEC WL300NU-AG */
+	{ USB_DEVICE(0x0409, 0x02b4) },
 	/* AVM FRITZ!WLAN USB Stick N */
 	{ USB_DEVICE(0x057c, 0x8401) },
 	/* AVM FRITZ!WLAN USB Stick N 2.4 */

drivers/net/wireless/rtlwifi/rtl8192cu/sw.c

@@ -298,6 +298,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
 	{RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/
 	{RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
 	{RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
+	{RTL_USB_DEVICE(0x0846, 0x9041, rtl92cu_hal_cfg)}, /*NetGear WNA1000M*/
 	{RTL_USB_DEVICE(0x0Df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
 	{RTL_USB_DEVICE(0x0eb0, 0x9071, rtl92cu_hal_cfg)}, /*NO Brand - Etop*/
 	/* HP - Lite-On ,8188CUS Slim Combo */

drivers/pcmcia/pxa2xx_vpac270.c

@@ -76,10 +76,10 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
 {
 	if (skt->nr == 0)
-		gpio_request_array(vpac270_pcmcia_gpios,
+		gpio_free_array(vpac270_pcmcia_gpios,
 					ARRAY_SIZE(vpac270_pcmcia_gpios));
 	else
-		gpio_request_array(vpac270_cf_gpios,
+		gpio_free_array(vpac270_cf_gpios,
 					ARRAY_SIZE(vpac270_cf_gpios));
 }
 

drivers/ssb/driver_pcicore.c

@@ -516,8 +516,17 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
 
 static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
 {
+	ssb_pcicore_fix_sprom_core_index(pc);
+
 	/* Disable PCI interrupts. */
 	ssb_write32(pc->dev, SSB_INTVEC, 0);
+
+	/* Additional PCIe always once-executed workarounds */
+	if (pc->dev->id.coreid == SSB_DEV_PCIE) {
+		ssb_pcicore_serdes_workaround(pc);
+		/* TODO: ASPM */
+		/* TODO: Clock Request Update */
+	}
 }
 
 void ssb_pcicore_init(struct ssb_pcicore *pc)
@@ -529,8 +538,6 @@ void ssb_pcicore_init(struct ssb_pcicore *pc)
 	if (!ssb_device_is_enabled(dev))
 		ssb_device_enable(dev, 0);
 
-	ssb_pcicore_fix_sprom_core_index(pc);
-
 #ifdef CONFIG_SSB_PCICORE_HOSTMODE
 	pc->hostmode = pcicore_is_in_hostmode(pc);
 	if (pc->hostmode)
@@ -538,13 +545,6 @@ void ssb_pcicore_init(struct ssb_pcicore *pc)
 #endif /* CONFIG_SSB_PCICORE_HOSTMODE */
 	if (!pc->hostmode)
 		ssb_pcicore_init_clientmode(pc);
-
-	/* Additional PCIe always once-executed workarounds */
-	if (dev->id.coreid == SSB_DEV_PCIE) {
-		ssb_pcicore_serdes_workaround(pc);
-		/* TODO: ASPM */
-		/* TODO: Clock Request Update */
-	}
 }
 
 static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address)

drivers/watchdog/Kconfig

@@ -599,8 +599,7 @@ config IT87_WDT
 
 config HP_WATCHDOG
 	tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
-	depends on X86
-	default m
+	depends on X86 && PCI
 	help
 	  A software monitoring watchdog and NMI sourcing driver. This driver
 	  will detect lockups and provide a stack trace. This is a driver that

fs/ceph/mds_client.c

@@ -1438,12 +1438,15 @@ char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *base,
 	struct dentry *temp;
 	char *path;
 	int len, pos;
+	unsigned seq;
 
 	if (dentry == NULL)
 		return ERR_PTR(-EINVAL);
 
 retry:
 	len = 0;
+	seq = read_seqbegin(&rename_lock);
+	rcu_read_lock();
 	for (temp = dentry; !IS_ROOT(temp);) {
 		struct inode *inode = temp->d_inode;
 		if (inode && ceph_snap(inode) == CEPH_SNAPDIR)
@@ -1455,10 +1458,12 @@ retry:
 			len += 1 + temp->d_name.len;
 		temp = temp->d_parent;
 		if (temp == NULL) {
+			rcu_read_unlock();
 			pr_err("build_path corrupt dentry %p\n", dentry);
 			return ERR_PTR(-EINVAL);
 		}
 	}
+	rcu_read_unlock();
 	if (len)
 		len--;  /* no leading '/' */
 
@@ -1467,9 +1472,12 @@ retry:
 		return ERR_PTR(-ENOMEM);
 	pos = len;
 	path[pos] = 0;	/* trailing null */
+	rcu_read_lock();
 	for (temp = dentry; !IS_ROOT(temp) && pos != 0; ) {
-		struct inode *inode = temp->d_inode;
+		struct inode *inode;
 
+		spin_lock(&temp->d_lock);
+		inode = temp->d_inode;
 		if (inode && ceph_snap(inode) == CEPH_SNAPDIR) {
 			dout("build_path path+%d: %p SNAPDIR\n",
 			     pos, temp);
@@ -1478,21 +1486,26 @@ retry:
 			break;
 		} else {
 			pos -= temp->d_name.len;
-			if (pos < 0)
+			if (pos < 0) {
+				spin_unlock(&temp->d_lock);
 				break;
+			}
 			strncpy(path + pos, temp->d_name.name,
 				temp->d_name.len);
 		}
+		spin_unlock(&temp->d_lock);
 		if (pos)
 			path[--pos] = '/';
 		temp = temp->d_parent;
 		if (temp == NULL) {
+			rcu_read_unlock();
 			pr_err("build_path corrupt dentry\n");
 			kfree(path);
 			return ERR_PTR(-EINVAL);
 		}
 	}
-	if (pos != 0) {
+	rcu_read_unlock();
+	if (pos != 0 || read_seqretry(&rename_lock, seq)) {
 		pr_err("build_path did not end path lookup where "
 		       "expected, namelen is %d, pos is %d\n", len, pos);
 		/* presumably this is only possible if racing with a

fs/cifs/cifsfs.c

@@ -35,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/kthread.h>
 #include <linux/freezer.h>
+#include <linux/namei.h>
 #include <net/ipv6.h>
 #include "cifsfs.h"
 #include "cifspdu.h"
@@ -542,14 +543,12 @@ static const struct super_operations cifs_super_ops = {
 static struct dentry *
 cifs_get_root(struct smb_vol *vol, struct super_block *sb)
 {
-	int xid, rc;
-	struct inode *inode;
-	struct qstr name;
-	struct dentry *dparent = NULL, *dchild = NULL, *alias;
+	struct dentry *dentry;
 	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
-	unsigned int i, full_len, len;
-	char *full_path = NULL, *pstart;
+	char *full_path = NULL;
+	char *s, *p;
 	char sep;
+	int xid;
 
 	full_path = cifs_build_path_to_root(vol, cifs_sb,
 					    cifs_sb_master_tcon(cifs_sb));
@@ -560,73 +559,32 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
 
 	xid = GetXid();
 	sep = CIFS_DIR_SEP(cifs_sb);
-	dparent = dget(sb->s_root);
-	full_len = strlen(full_path);
-	full_path[full_len] = sep;
-	pstart = full_path + 1;
+	dentry = dget(sb->s_root);
+	p = s = full_path;
 
-	for (i = 1, len = 0; i <= full_len; i++) {
-		if (full_path[i] != sep || !len) {
-			len++;
-			continue;
-		}
+	do {
+		struct inode *dir = dentry->d_inode;
+		struct dentry *child;
 
-		full_path[i] = 0;
-		cFYI(1, "get dentry for %s", pstart);
+		/* skip separators */
+		while (*s == sep)
+			s++;
+		if (!*s)
+			break;
+		p = s++;
+		/* next separator */
+		while (*s && *s != sep)
+			s++;
 
-		name.name = pstart;
-		name.len = len;
-		name.hash = full_name_hash(pstart, len);
-		dchild = d_lookup(dparent, &name);
-		if (dchild == NULL) {
-			cFYI(1, "not exists");
-			dchild = d_alloc(dparent, &name);
-			if (dchild == NULL) {
-				dput(dparent);
-				dparent = ERR_PTR(-ENOMEM);
-				goto out;
-			}
-		}
-
-		cFYI(1, "get inode");
-		if (dchild->d_inode == NULL) {
-			cFYI(1, "not exists");
-			inode = NULL;
-			if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext)
-				rc = cifs_get_inode_info_unix(&inode, full_path,
-							      sb, xid);
-			else
-				rc = cifs_get_inode_info(&inode, full_path,
-							 NULL, sb, xid, NULL);
-			if (rc) {
-				dput(dchild);
-				dput(dparent);
-				dparent = ERR_PTR(rc);
-				goto out;
-			}
-			alias = d_materialise_unique(dchild, inode);
-			if (alias != NULL) {
-				dput(dchild);
-				if (IS_ERR(alias)) {
-					dput(dparent);
-					dparent = ERR_PTR(-EINVAL); /* XXX */
-					goto out;
-				}
-				dchild = alias;
-			}
-		}
-		cFYI(1, "parent %p, child %p", dparent, dchild);
-
-		dput(dparent);
-		dparent = dchild;
-		len = 0;
-		pstart = full_path + i + 1;
-		full_path[i] = sep;
-	}
-out:
+		mutex_lock(&dir->i_mutex);
+		child = lookup_one_len(p, dentry, s - p);
+		mutex_unlock(&dir->i_mutex);
+		dput(dentry);
+		dentry = child;
+	} while (!IS_ERR(dentry));
 	_FreeXid(xid);
 	kfree(full_path);
-	return dparent;
+	return dentry;
 }
 
 static int cifs_set_super(struct super_block *sb, void *data)

fs/cifs/cifsfs.h

@@ -129,5 +129,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
 extern const struct export_operations cifs_export_ops;
 #endif /* CIFS_NFSD_EXPORT */
 
-#define CIFS_VERSION   "1.73"
+#define CIFS_VERSION   "1.74"
 #endif				/* _CIFSFS_H */

fs/cifs/connect.c

@@ -3485,7 +3485,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid)
 		goto out;
 	}
 
-	snprintf(username, MAX_USERNAME_SIZE, "krb50x%x", fsuid);
+	snprintf(username, sizeof(username), "krb50x%x", fsuid);
 	vol_info->username = username;
 	vol_info->local_nls = cifs_sb->local_nls;
 	vol_info->linux_uid = fsuid;

fs/cifs/dir.c

@@ -55,6 +55,7 @@ build_path_from_dentry(struct dentry *direntry)
 	char dirsep;
 	struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
 	struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
+	unsigned seq;
 
 	if (direntry == NULL)
 		return NULL;  /* not much we can do if dentry is freed and
@@ -68,22 +69,29 @@ build_path_from_dentry(struct dentry *direntry)
 		dfsplen = 0;
 cifs_bp_rename_retry:
 	namelen = dfsplen;
+	seq = read_seqbegin(&rename_lock);
+	rcu_read_lock();
 	for (temp = direntry; !IS_ROOT(temp);) {
 		namelen += (1 + temp->d_name.len);
 		temp = temp->d_parent;
 		if (temp == NULL) {
 			cERROR(1, "corrupt dentry");
+			rcu_read_unlock();
 			return NULL;
 		}
 	}
+	rcu_read_unlock();
 
 	full_path = kmalloc(namelen+1, GFP_KERNEL);
 	if (full_path == NULL)
 		return full_path;
 	full_path[namelen] = 0;	/* trailing null */
+	rcu_read_lock();
 	for (temp = direntry; !IS_ROOT(temp);) {
+		spin_lock(&temp->d_lock);
 		namelen -= 1 + temp->d_name.len;
 		if (namelen < 0) {
+			spin_unlock(&temp->d_lock);
 			break;
 		} else {
 			full_path[namelen] = dirsep;
@@ -91,14 +99,17 @@ cifs_bp_rename_retry:
 				temp->d_name.len);
 			cFYI(0, "name: %s", full_path + namelen);
 		}
+		spin_unlock(&temp->d_lock);
 		temp = temp->d_parent;
 		if (temp == NULL) {
 			cERROR(1, "corrupt dentry");
+			rcu_read_unlock();
 			kfree(full_path);
 			return NULL;
 		}
 	}
-	if (namelen != dfsplen) {
+	rcu_read_unlock();
+	if (namelen != dfsplen || read_seqretry(&rename_lock, seq)) {
 		cERROR(1, "did not end path lookup where expected namelen is %d",
 			namelen);
 		/* presumably this is only possible if racing with a rename

fs/cifs/file.c

@@ -1737,7 +1737,7 @@ cifs_iovec_read(struct file *file, const struct iovec *iov,
 			io_parms.pid = pid;
 			io_parms.tcon = pTcon;
 			io_parms.offset = *poffset;
-			io_parms.length = len;
+			io_parms.length = cur_len;
 			rc = CIFSSMBRead(xid, &io_parms, &bytes_read,
 					 &read_data, &buf_type);
 			pSMBr = (struct smb_com_read_rsp *)read_data;

fs/cifs/sess.c

@@ -428,8 +428,7 @@ static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer,
 			(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
 		flags |= NTLMSSP_NEGOTIATE_SIGN;
 		if (!ses->server->session_estab)
-			flags |= NTLMSSP_NEGOTIATE_KEY_XCH |
-				NTLMSSP_NEGOTIATE_EXTENDED_SEC;
+			flags |= NTLMSSP_NEGOTIATE_KEY_XCH;
 	}
 
 	sec_blob->NegotiateFlags = cpu_to_le32(flags);
@@ -465,10 +464,11 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
 		NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE |
 		NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC;
 	if (ses->server->sec_mode &
-	   (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+	   (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
 		flags |= NTLMSSP_NEGOTIATE_SIGN;
-	if (ses->server->sec_mode & SECMODE_SIGN_REQUIRED)
-		flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
+		if (!ses->server->session_estab)
+			flags |= NTLMSSP_NEGOTIATE_KEY_XCH;
+	}
 
 	tmp = pbuffer + sizeof(AUTHENTICATE_MESSAGE);
 	sec_blob->NegotiateFlags = cpu_to_le32(flags);

fs/cramfs/inode.c

@@ -37,7 +37,7 @@ static DEFINE_MUTEX(read_mutex);
 /* These macros may change in future, to provide better st_ino semantics. */
 #define OFFSET(x)	((x)->i_ino)
 
-static unsigned long cramino(struct cramfs_inode *cino, unsigned int offset)
+static unsigned long cramino(const struct cramfs_inode *cino, unsigned int offset)
 {
 	if (!cino->offset)
 		return offset + 1;
@@ -61,7 +61,7 @@ static unsigned long cramino(struct cramfs_inode *cino, unsigned int offset)
 }
 
 static struct inode *get_cramfs_inode(struct super_block *sb,
-	struct cramfs_inode *cramfs_inode, unsigned int offset)
+	const struct cramfs_inode *cramfs_inode, unsigned int offset)
 {
 	struct inode *inode;
 	static struct timespec zerotime;
@@ -317,7 +317,7 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
 	/* Set it all up.. */
 	sb->s_op = &cramfs_ops;
 	root = get_cramfs_inode(sb, &super.root, 0);
-	if (!root)
+	if (IS_ERR(root))
 		goto out;
 	sb->s_root = d_alloc_root(root);
 	if (!sb->s_root) {
@@ -423,6 +423,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 {
 	unsigned int offset = 0;
+	struct inode *inode = NULL;
 	int sorted;
 
 	mutex_lock(&read_mutex);
@@ -449,8 +450,8 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
 
 		for (;;) {
 			if (!namelen) {
-				mutex_unlock(&read_mutex);
-				return ERR_PTR(-EIO);
+				inode = ERR_PTR(-EIO);
+				goto out;
 			}
 			if (name[namelen-1])
 				break;
@@ -462,17 +463,18 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
 		if (retval > 0)
 			continue;
 		if (!retval) {
-			struct cramfs_inode entry = *de;
-			mutex_unlock(&read_mutex);
-			d_add(dentry, get_cramfs_inode(dir->i_sb, &entry, dir_off));
-			return NULL;
+			inode = get_cramfs_inode(dir->i_sb, de, dir_off);
+			break;
 		}
 		/* else (retval < 0) */
 		if (sorted)
 			break;
 	}
+out:
 	mutex_unlock(&read_mutex);
-	d_add(dentry, NULL);
+	if (IS_ERR(inode))
+		return ERR_CAST(inode);
+	d_add(dentry, inode);
 	return NULL;
 }
 

fs/dcache.c

@@ -1813,8 +1813,6 @@ seqretry:
 		tname = dentry->d_name.name;
 		i = dentry->d_inode;
 		prefetch(tname);
-		if (i)
-			prefetch(i);
 		/*
 		 * This seqcount check is required to ensure name and
 		 * len are loaded atomically, so as not to walk off the
@@ -2213,14 +2211,15 @@ static void dentry_unlock_parents_for_move(struct dentry *dentry,
  * The hash value has to match the hash queue that the dentry is on..
  */
 /*
- * d_move - move a dentry
+ * __d_move - move a dentry
  * @dentry: entry to move
  * @target: new dentry
  *
  * Update the dcache to reflect the move of a file name. Negative
- * dcache entries should not be moved in this way.
+ * dcache entries should not be moved in this way.  Caller hold
+ * rename_lock.
  */
-void d_move(struct dentry * dentry, struct dentry * target)
+static void __d_move(struct dentry * dentry, struct dentry * target)
 {
 	if (!dentry->d_inode)
 		printk(KERN_WARNING "VFS: moving negative dcache entry\n");
@@ -2228,8 +2227,6 @@ void d_move(struct dentry * dentry, struct dentry * target)
 	BUG_ON(d_ancestor(dentry, target));
 	BUG_ON(d_ancestor(target, dentry));
 
-	write_seqlock(&rename_lock);
-
 	dentry_lock_for_move(dentry, target);
 
 	write_seqcount_begin(&dentry->d_seq);
@@ -2275,6 +2272,20 @@ void d_move(struct dentry * dentry, struct dentry * target)
 	spin_unlock(&target->d_lock);
 	fsnotify_d_move(dentry);
 	spin_unlock(&dentry->d_lock);
+}
+
+/*
+ * d_move - move a dentry
+ * @dentry: entry to move
+ * @target: new dentry
+ *
+ * Update the dcache to reflect the move of a file name. Negative
+ * dcache entries should not be moved in this way.
+ */
+void d_move(struct dentry *dentry, struct dentry *target)
+{
+	write_seqlock(&rename_lock);
+	__d_move(dentry, target);
 	write_sequnlock(&rename_lock);
 }
 EXPORT_SYMBOL(d_move);
@@ -2302,7 +2313,7 @@ struct dentry *d_ancestor(struct dentry *p1, struct dentry *p2)
  * This helper attempts to cope with remotely renamed directories
  *
  * It assumes that the caller is already holding
- * dentry->d_parent->d_inode->i_mutex and the inode->i_lock
+ * dentry->d_parent->d_inode->i_mutex, inode->i_lock and rename_lock
  *
  * Note: If ever the locking in lock_rename() changes, then please
  * remember to update this too...
@@ -2317,11 +2328,6 @@ static struct dentry *__d_unalias(struct inode *inode,
 	if (alias->d_parent == dentry->d_parent)
 		goto out_unalias;
 
-	/* Check for loops */
-	ret = ERR_PTR(-ELOOP);
-	if (d_ancestor(alias, dentry))
-		goto out_err;
-
 	/* See lock_rename() */
 	ret = ERR_PTR(-EBUSY);
 	if (!mutex_trylock(&dentry->d_sb->s_vfs_rename_mutex))
@@ -2331,7 +2337,7 @@ static struct dentry *__d_unalias(struct inode *inode,
 		goto out_err;
 	m2 = &alias->d_parent->d_inode->i_mutex;
 out_unalias:
-	d_move(alias, dentry);
+	__d_move(alias, dentry);
 	ret = alias;
 out_err:
 	spin_unlock(&inode->i_lock);
@@ -2416,15 +2422,24 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 		alias = __d_find_alias(inode, 0);
 		if (alias) {
 			actual = alias;
-			/* Is this an anonymous mountpoint that we could splice
-			 * into our tree? */
-			if (IS_ROOT(alias)) {
+			write_seqlock(&rename_lock);
+
+			if (d_ancestor(alias, dentry)) {
+				/* Check for loops */
+				actual = ERR_PTR(-ELOOP);
+			} else if (IS_ROOT(alias)) {
+				/* Is this an anonymous mountpoint that we
+				 * could splice into our tree? */
 				__d_materialise_dentry(dentry, alias);
+				write_sequnlock(&rename_lock);
 				__d_drop(alias);
 				goto found;
+			} else {
+				/* Nope, but we must(!) avoid directory
+				 * aliasing */
+				actual = __d_unalias(inode, dentry, alias);
 			}
-			/* Nope, but we must(!) avoid directory aliasing */
-			actual = __d_unalias(inode, dentry, alias);
+			write_sequnlock(&rename_lock);
 			if (IS_ERR(actual))
 				dput(alias);
 			goto out_nolock;

fs/exofs/super.c

@@ -913,7 +913,7 @@ struct dentry *exofs_get_parent(struct dentry *child)
 	unsigned long ino = exofs_parent_ino(child);
 
 	if (!ino)
-		return NULL;
+		return ERR_PTR(-ESTALE);
 
 	return d_obtain_alias(exofs_iget(child->d_inode->i_sb, ino));
 }

fs/fscache/page.c

@@ -976,16 +976,12 @@ void __fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
 
 	pagevec_init(&pvec, 0);
 	next = 0;
-	while (next <= (loff_t)-1 &&
-	       pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)
-	       ) {
+	do {
+		if (!pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE))
+			break;
 		for (i = 0; i < pagevec_count(&pvec); i++) {
 			struct page *page = pvec.pages[i];
-			pgoff_t page_index = page->index;
-
-			ASSERTCMP(page_index, >=, next);
-			next = page_index + 1;
-
+			next = page->index;
 			if (PageFsCache(page)) {
 				__fscache_wait_on_page_write(cookie, page);
 				__fscache_uncache_page(cookie, page);
@@ -993,7 +989,7 @@ void __fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
 		}
 		pagevec_release(&pvec);
 		cond_resched();
-	}
+	} while (++next);
 
 	_leave("");
 }

fs/gfs2/aops.c

@@ -1069,6 +1069,7 @@ int gfs2_releasepage(struct page *page, gfp_t gfp_mask)
 		return 0;
 
 	gfs2_log_lock(sdp);
+	spin_lock(&sdp->sd_ail_lock);
 	head = bh = page_buffers(page);
 	do {
 		if (atomic_read(&bh->b_count))
@@ -1080,6 +1081,7 @@ int gfs2_releasepage(struct page *page, gfp_t gfp_mask)
 			goto not_possible;
 		bh = bh->b_this_page;
 	} while(bh != head);
+	spin_unlock(&sdp->sd_ail_lock);
 	gfs2_log_unlock(sdp);
 
 	head = bh = page_buffers(page);
@@ -1112,6 +1114,7 @@ not_possible: /* Should never happen */
 	WARN_ON(buffer_dirty(bh));
 	WARN_ON(buffer_pinned(bh));
 cannot_release:
+	spin_unlock(&sdp->sd_ail_lock);
 	gfs2_log_unlock(sdp);
 	return 0;
 }

fs/gfs2/glops.c

@@ -47,10 +47,10 @@ static void __gfs2_ail_flush(struct gfs2_glock *gl)
 				bd_ail_gl_list);
 		bh = bd->bd_bh;
 		gfs2_remove_from_ail(bd);
-		spin_unlock(&sdp->sd_ail_lock);
-
 		bd->bd_bh = NULL;
 		bh->b_private = NULL;
+		spin_unlock(&sdp->sd_ail_lock);
+
 		bd->bd_blkno = bh->b_blocknr;
 		gfs2_log_lock(sdp);
 		gfs2_assert_withdraw(sdp, !buffer_busy(bh));
@@ -221,8 +221,10 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
 		}
 	}
 
-	if (ip == GFS2_I(gl->gl_sbd->sd_rindex))
+	if (ip == GFS2_I(gl->gl_sbd->sd_rindex)) {
+		gfs2_log_flush(gl->gl_sbd, NULL);
 		gl->gl_sbd->sd_rindex_uptodate = 0;
+	}
 	if (ip && S_ISREG(ip->i_inode.i_mode))
 		truncate_inode_pages(ip->i_inode.i_mapping, 0);
 }

fs/gfs2/incore.h

@@ -17,6 +17,7 @@
 #include <linux/buffer_head.h>
 #include <linux/rcupdate.h>
 #include <linux/rculist_bl.h>
+#include <linux/completion.h>
 
 #define DIO_WAIT	0x00000010
 #define DIO_METADATA	0x00000020
@@ -546,6 +547,7 @@ struct gfs2_sbd {
 	struct gfs2_glock *sd_trans_gl;
 	wait_queue_head_t sd_glock_wait;
 	atomic_t sd_glock_disposal;
+	struct completion sd_locking_init;
 
 	/* Inode Stuff */
 

fs/gfs2/log.c

@@ -903,6 +903,7 @@ void gfs2_meta_syncfs(struct gfs2_sbd *sdp)
 		if (gfs2_ail1_empty(sdp))
 			break;
 	}
+	gfs2_log_flush(sdp, NULL);
 }
 
 static inline int gfs2_jrnl_flush_reqd(struct gfs2_sbd *sdp)

fs/gfs2/ops_fstype.c

@@ -72,6 +72,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
 
 	init_waitqueue_head(&sdp->sd_glock_wait);
 	atomic_set(&sdp->sd_glock_disposal, 0);
+	init_completion(&sdp->sd_locking_init);
 	spin_lock_init(&sdp->sd_statfs_spin);
 
 	spin_lock_init(&sdp->sd_rindex_spin);
@@ -1017,11 +1018,13 @@ hostdata_error:
 		fsname++;
 	if (lm->lm_mount == NULL) {
 		fs_info(sdp, "Now mounting FS...\n");
+		complete(&sdp->sd_locking_init);
 		return 0;
 	}
 	ret = lm->lm_mount(sdp, fsname);
 	if (ret == 0)
 		fs_info(sdp, "Joined cluster. Now mounting FS...\n");
+	complete(&sdp->sd_locking_init);
 	return ret;
 }
 

fs/gfs2/super.c

@@ -757,13 +757,17 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc)
 	struct timespec atime;
 	struct gfs2_dinode *di;
 	int ret = -EAGAIN;
+	int unlock_required = 0;
 
 	/* Skip timestamp update, if this is from a memalloc */
 	if (current->flags & PF_MEMALLOC)
 		goto do_flush;
-	ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
-	if (ret)
-		goto do_flush;
+	if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+		ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+		if (ret)
+			goto do_flush;
+		unlock_required = 1;
+	}
 	ret = gfs2_trans_begin(sdp, RES_DINODE, 0);
 	if (ret)
 		goto do_unlock;
@@ -780,7 +784,8 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc)
 	}
 	gfs2_trans_end(sdp);
 do_unlock:
-	gfs2_glock_dq_uninit(&gh);
+	if (unlock_required)
+		gfs2_glock_dq_uninit(&gh);
 do_flush:
 	if (wbc->sync_mode == WB_SYNC_ALL)
 		gfs2_log_flush(GFS2_SB(inode), ip->i_gl);
@@ -1427,7 +1432,20 @@ out:
 	return error;
 }
 
-/*
+/**
+ * gfs2_evict_inode - Remove an inode from cache
+ * @inode: The inode to evict
+ *
+ * There are three cases to consider:
+ * 1. i_nlink == 0, we are final opener (and must deallocate)
+ * 2. i_nlink == 0, we are not the final opener (and cannot deallocate)
+ * 3. i_nlink > 0
+ *
+ * If the fs is read only, then we have to treat all cases as per #3
+ * since we are unable to do any deallocation. The inode will be
+ * deallocated by the next read/write node to attempt an allocation
+ * in the same resource group
+ *
  * We have to (at the moment) hold the inodes main lock to cover
  * the gap between unlocking the shared lock on the iopen lock and
  * taking the exclusive lock. I'd rather do a shared -> exclusive
@@ -1470,6 +1488,8 @@ static void gfs2_evict_inode(struct inode *inode)
 	if (error)
 		goto out_truncate;
 
+	/* Case 1 starts here */
+
 	if (S_ISDIR(inode->i_mode) &&
 	    (ip->i_diskflags & GFS2_DIF_EXHASH)) {
 		error = gfs2_dir_exhash_dealloc(ip);
@@ -1493,13 +1513,16 @@ static void gfs2_evict_inode(struct inode *inode)
 	goto out_unlock;
 
 out_truncate:
+	/* Case 2 starts here */
 	error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
 	if (error)
 		goto out_unlock;
-	gfs2_final_release_pages(ip);
+	/* Needs to be done before glock release & also in a transaction */
+	truncate_inode_pages(&inode->i_data, 0);
 	gfs2_trans_end(sdp);
 
 out_unlock:
+	/* Error path for case 1 */
 	if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
 		gfs2_glock_dq(&ip->i_iopen_gh);
 	gfs2_holder_uninit(&ip->i_iopen_gh);
@@ -1507,6 +1530,7 @@ out_unlock:
 	if (error && error != GLR_TRYFAILED && error != -EROFS)
 		fs_warn(sdp, "gfs2_evict_inode: %d\n", error);
 out:
+	/* Case 3 starts here */
 	truncate_inode_pages(&inode->i_data, 0);
 	end_writeback(inode);
 

fs/gfs2/sys.c

@@ -338,6 +338,9 @@ static ssize_t lkfirst_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
 	rv = sscanf(buf, "%u", &first);
 	if (rv != 1 || first > 1)
 		return -EINVAL;
+	rv = wait_for_completion_killable(&sdp->sd_locking_init);
+	if (rv)
+		return rv;
 	spin_lock(&sdp->sd_jindex_spin);
 	rv = -EBUSY;
 	if (test_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0)
@@ -414,7 +417,9 @@ static ssize_t jid_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
 	rv = sscanf(buf, "%d", &jid);
 	if (rv != 1)
 		return -EINVAL;
-
+	rv = wait_for_completion_killable(&sdp->sd_locking_init);
+	if (rv)
+		return rv;
 	spin_lock(&sdp->sd_jindex_spin);
 	rv = -EINVAL;
 	if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL)

fs/hppfs/hppfs.c

@@ -139,7 +139,8 @@ static int file_removed(struct dentry *dentry, const char *file)
 static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
 				   struct nameidata *nd)
 {
-	struct dentry *proc_dentry, *new, *parent;
+	struct dentry *proc_dentry, *parent;
+	struct qstr *name = &dentry->d_name;
 	struct inode *inode;
 	int err, deleted;
 
@@ -149,23 +150,9 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
 	else if (deleted)
 		return ERR_PTR(-ENOENT);
 
-	err = -ENOMEM;
 	parent = HPPFS_I(ino)->proc_dentry;
 	mutex_lock(&parent->d_inode->i_mutex);
-	proc_dentry = d_lookup(parent, &dentry->d_name);
-	if (proc_dentry == NULL) {
-		proc_dentry = d_alloc(parent, &dentry->d_name);
-		if (proc_dentry == NULL) {
-			mutex_unlock(&parent->d_inode->i_mutex);
-			goto out;
-		}
-		new = (*parent->d_inode->i_op->lookup)(parent->d_inode,
-						       proc_dentry, NULL);
-		if (new) {
-			dput(proc_dentry);
-			proc_dentry = new;
-		}
-	}
+	proc_dentry = lookup_one_len(name->name, parent, name->len);
 	mutex_unlock(&parent->d_inode->i_mutex);
 
 	if (IS_ERR(proc_dentry))
@@ -174,13 +161,11 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
 	err = -ENOMEM;
 	inode = get_inode(ino->i_sb, proc_dentry);
 	if (!inode)
-		goto out_dput;
+		goto out;
 
  	d_add(dentry, inode);
 	return NULL;
 
- out_dput:
-	dput(proc_dentry);
  out:
 	return ERR_PTR(err);
 }
@@ -690,8 +675,10 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
 	struct inode *proc_ino = dentry->d_inode;
 	struct inode *inode = new_inode(sb);
 
-	if (!inode)
+	if (!inode) {
+		dput(dentry);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	if (S_ISDIR(dentry->d_inode->i_mode)) {
 		inode->i_op = &hppfs_dir_iops;
@@ -704,7 +691,7 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
 		inode->i_fop = &hppfs_file_fops;
 	}
 
-	HPPFS_I(inode)->proc_dentry = dget(dentry);
+	HPPFS_I(inode)->proc_dentry = dentry;
 
 	inode->i_uid = proc_ino->i_uid;
 	inode->i_gid = proc_ino->i_gid;
@@ -737,7 +724,7 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
 	sb->s_fs_info = proc_mnt;
 
 	err = -ENOMEM;
-	root_inode = get_inode(sb, proc_mnt->mnt_sb->s_root);
+	root_inode = get_inode(sb, dget(proc_mnt->mnt_sb->s_root));
 	if (!root_inode)
 		goto out_mntput;
 

fs/libfs.c

@@ -822,7 +822,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
 		goto out;
 
 	attr->set_buf[size] = '\0';
-	val = simple_strtol(attr->set_buf, NULL, 0);
+	val = simple_strtoll(attr->set_buf, NULL, 0);
 	ret = attr->set(attr->data, val);
 	if (ret == 0)
 		ret = len; /* on success, claim we got the whole input */