Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	include/asm-powerpc/unistd.h
	include/asm-sparc/unistd.h
	include/asm-sparc64/unistd.h

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

17 files changed, 83 insertions, 34 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 9943f51cd80..b2e5da2b637 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -199,6 +199,7 @@ extern int class_device_create_file(struct class_device *,
  * @node: for internal use by the driver core only.
  * @kobj: for internal use by the driver core only.
  * @devt_attr: for internal use by the driver core only.
+ * @groups: optional additional groups to be created
  * @dev: if set, a symlink to the struct device is created in the sysfs
  * directory for this struct class device.
  * @class_data: pointer to whatever you want to store here for this struct
@@ -227,6 +228,7 @@ struct class_device {
 	struct device		* dev;		/* not necessary, but nice to have */
 	void			* class_data;	/* class-specific data */
 	struct class_device	*parent;	/* parent of this child device, if there is one */
+	struct attribute_group  ** groups;	/* optional groups */
 
 	void	(*release)(struct class_device *dev);
 	int	(*uevent)(struct class_device *dev, char **envp,
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ff61817082f..635690cf3e3 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -14,6 +14,7 @@ enum dma_data_direction {
 };
 
 #define DMA_64BIT_MASK	0xffffffffffffffffULL
+#define DMA_48BIT_MASK	0x0000ffffffffffffULL
 #define DMA_40BIT_MASK	0x000000ffffffffffULL
 #define DMA_39BIT_MASK	0x0000007fffffffffULL
 #define DMA_32BIT_MASK	0x00000000ffffffffULL
diff --git a/include/linux/firmware.h b/include/linux/firmware.h
index 2d716080be4..33d8f2087b6 100644
--- a/include/linux/firmware.h
+++ b/include/linux/firmware.h
@@ -19,5 +19,4 @@ int request_firmware_nowait(
 	void (*cont)(const struct firmware *fw, void *context));
 
 void release_firmware(const struct firmware *fw);
-void register_firmware(const char *name, const u8 *data, size_t size);
 #endif
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 75a236c268f..ecc8c2c3d8c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -212,6 +212,10 @@ extern int dir_notify_enable;
 #define FIBMAP	   _IO(0x00,1)	/* bmap access */
 #define FIGETBSZ   _IO(0x00,2)	/* get the block size used for bmap */
 
+#define SYNC_FILE_RANGE_WAIT_BEFORE	1
+#define SYNC_FILE_RANGE_WRITE		2
+#define SYNC_FILE_RANGE_WAIT_AFTER	4
+
 #ifdef __KERNEL__
 
 #include <linux/linkage.h>
@@ -757,9 +761,6 @@ extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg);
 extern int fcntl_getlease(struct file *filp);
 
 /* fs/sync.c */
-#define SYNC_FILE_RANGE_WAIT_BEFORE	1
-#define SYNC_FILE_RANGE_WRITE		2
-#define SYNC_FILE_RANGE_WAIT_AFTER	4
 extern int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte,
 			unsigned int flags);
 
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index a3a0e078f79..16fbe59edeb 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -110,5 +110,16 @@ struct fsl_usb2_platform_data {
 #define FSL_USB2_PORT0_ENABLED	0x00000001
 #define FSL_USB2_PORT1_ENABLED	0x00000002
 
+struct fsl_spi_platform_data {
+	u32 	initial_spmode;	/* initial SPMODE value */
+	u16	bus_num;
+
+	/* board specific information */
+	u16	max_chipselect;
+	void	(*activate_cs)(u8 cs, u8 polarity);
+	void	(*deactivate_cs)(u8 cs, u8 polarity);
+	u32	sysclk;
+};
+
 #endif				/* _FSL_DEVICE_H_ */
 #endif				/* __KERNEL__ */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index e1bd0842f6a..f4fc576ed4c 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -124,6 +124,7 @@ extern int get_option(char **str, int *pint);
 extern char *get_options(const char *str, int nints, int *ints);
 extern unsigned long long memparse(char *ptr, char **retptr);
 
+extern int core_kernel_text(unsigned long addr);
 extern int __kernel_text_address(unsigned long addr);
 extern int kernel_text_address(unsigned long addr);
 extern int session_of_pgrp(int pgrp);
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index bdc556d8849..03a14a30c46 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -69,6 +69,7 @@ struct mmc_data {
 	unsigned int		timeout_ns;	/* data timeout (in ns, max 80ms) */
 	unsigned int		timeout_clks;	/* data timeout (in clocks) */
 	unsigned int		blksz_bits;	/* data block size */
+	unsigned int		blksz;		/* data block size */
 	unsigned int		blocks;		/* number of blocks */
 	unsigned int		error;		/* data error */
 	unsigned int		flags;
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 6be91fb2deb..230180c3eb6 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -21,6 +21,7 @@
 #else
 #define MAX_ORDER CONFIG_FORCE_MAX_ZONEORDER
 #endif
+#define MAX_ORDER_NR_PAGES (1 << (MAX_ORDER - 1))
 
 struct free_area {
 	struct list_head	free_list;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5128dd7634c..cebe677e153 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -432,8 +432,7 @@ struct net_device
 
 	/* register/unregister state machine */
 	enum { NETREG_UNINITIALIZED=0,
-	       NETREG_REGISTERING,	/* called register_netdevice */
-	       NETREG_REGISTERED,	/* completed register todo */
+	       NETREG_REGISTERED,	/* completed register_netdevice */
 	       NETREG_UNREGISTERING,	/* called unregister_netdevice */
 	       NETREG_UNREGISTERED,	/* completed unregister todo */
 	       NETREG_RELEASED,		/* called free_netdev */
@@ -505,6 +504,8 @@ struct net_device
 
 	/* class/net/name entry */
 	struct class_device	class_dev;
+	/* space for optional statistics and wireless sysfs groups */
+	struct attribute_group  *sysfs_groups[3];
 };
 
 #define	NETDEV_ALIGN		32
@@ -828,21 +829,19 @@ static inline void netif_rx_schedule(struct net_device *dev)
 		__netif_rx_schedule(dev);
 }
 
-
-static inline void  __netif_rx_reschedule(struct net_device *dev, int undo)
-{
-	dev->quota += undo;
-	list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
-	__raise_softirq_irqoff(NET_RX_SOFTIRQ);
-}
-
-/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
+/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete().
+ * Do not inline this?
+ */
 static inline int netif_rx_reschedule(struct net_device *dev, int undo)
 {
 	if (netif_rx_schedule_prep(dev)) {
 		unsigned long flags;
+
+		dev->quota += undo;
+
 		local_irq_save(flags);
-		__netif_rx_reschedule(dev, undo);
+		list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
+		__raise_softirq_irqoff(NET_RX_SOFTIRQ);
 		local_irq_restore(flags);
 		return 1;
 	}
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 5673008b61e..970284f571a 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -132,6 +132,7 @@ static inline void rcu_bh_qsctr_inc(int cpu)
 }
 
 extern int rcu_pending(int cpu);
+extern int rcu_needs_cpu(int cpu);
 
 /**
  * rcu_read_lock - mark the beginning of an RCU read-side critical section.
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index fcfb783bef4..94b9286cf6b 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -253,6 +253,7 @@ struct uart_port {
 #define UPF_CONS_FLOW		((__force upf_t) (1 << 23))
 #define UPF_SHARE_IRQ		((__force upf_t) (1 << 24))
 #define UPF_BOOT_AUTOCONF	((__force upf_t) (1 << 28))
+#define UPF_DEAD		((__force upf_t) (1 << 30))
 #define UPF_IOREMAP		((__force upf_t) (1 << 31))
 
 #define UPF_CHANGE_MASK		((__force upf_t) (0x17fff))
diff --git a/include/linux/slab.h b/include/linux/slab.h
index a7d7f131b5d..9dc93163e06 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -149,6 +149,7 @@ static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
 
 extern void kfree(const void *);
 extern unsigned int ksize(const void *);
+extern int slab_is_available(void);
 
 #ifdef CONFIG_NUMA
 extern void *kmem_cache_alloc_node(kmem_cache_t *, gfp_t flags, int node);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index b05f1463a26..e928c0dcc29 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -31,18 +31,23 @@ extern struct bus_type spi_bus_type;
  * @master: SPI controller used with the device.
  * @max_speed_hz: Maximum clock rate to be used with this chip
  *	(on this board); may be changed by the device's driver.
+ *	The spi_transfer.speed_hz can override this for each transfer.
  * @chip-select: Chipselect, distinguishing chips handled by "master".
  * @mode: The spi mode defines how data is clocked out and in.
  *	This may be changed by the device's driver.
+ *	The "active low" default for chipselect mode can be overridden,
+ *	as can the "MSB first" default for each word in a transfer.
  * @bits_per_word: Data transfers involve one or more words; word sizes
- * 	like eight or 12 bits are common.  In-memory wordsizes are
+ *	like eight or 12 bits are common.  In-memory wordsizes are
  *	powers of two bytes (e.g. 20 bit samples use 32 bits).
- *	This may be changed by the device's driver.
+ *	This may be changed by the device's driver, or left at the
+ *	default (0) indicating protocol words are eight bit bytes.
+ *	The spi_transfer.bits_per_word can override this for each transfer.
  * @irq: Negative, or the number passed to request_irq() to receive
- * 	interrupts from this device.
+ *	interrupts from this device.
  * @controller_state: Controller's runtime state
  * @controller_data: Board-specific definitions for controller, such as
- * 	FIFO initialization parameters; from board_info.controller_data
+ *	FIFO initialization parameters; from board_info.controller_data
  *
  * An spi_device is used to interchange data between an SPI slave
  * (usually a discrete chip) and CPU memory.
@@ -65,6 +70,7 @@ struct spi_device {
 #define	SPI_MODE_2	(SPI_CPOL|0)
 #define	SPI_MODE_3	(SPI_CPOL|SPI_CPHA)
 #define	SPI_CS_HIGH	0x04			/* chipselect active high? */
+#define	SPI_LSB_FIRST	0x08			/* per-word bits-on-wire */
 	u8			bits_per_word;
 	int			irq;
 	void			*controller_state;
@@ -73,7 +79,6 @@ struct spi_device {
 
 	// likely need more hooks for more protocol options affecting how
 	// the controller talks to each chip, like:
-	//  - bit order (default is wordwise msb-first)
 	//  - memory packing (12 bit samples into low bits, others zeroed)
 	//  - priority
 	//  - drop chipselect after each word
@@ -143,13 +148,13 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
  * struct spi_master - interface to SPI master controller
  * @cdev: class interface to this driver
  * @bus_num: board-specific (and often SOC-specific) identifier for a
- * 	given SPI controller.
+ *	given SPI controller.
  * @num_chipselect: chipselects are used to distinguish individual
- * 	SPI slaves, and are numbered from zero to num_chipselects.
- * 	each slave has a chipselect signal, but it's common that not
- * 	every chipselect is connected to a slave.
+ *	SPI slaves, and are numbered from zero to num_chipselects.
+ *	each slave has a chipselect signal, but it's common that not
+ *	every chipselect is connected to a slave.
  * @setup: updates the device mode and clocking records used by a
- * 	device's SPI controller; protocol code may call this.
+ *	device's SPI controller; protocol code may call this.
  * @transfer: adds a message to the controller's transfer queue.
  * @cleanup: frees controller-specific state
  *
@@ -167,13 +172,13 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
 struct spi_master {
 	struct class_device	cdev;
 
-	/* other than zero (== assign one dynamically), bus_num is fully
+	/* other than negative (== assign one dynamically), bus_num is fully
 	 * board-specific.  usually that simplifies to being SOC-specific.
-	 * example:  one SOC has three SPI controllers, numbered 1..3,
+	 * example:  one SOC has three SPI controllers, numbered 0..2,
 	 * and one board's schematics might show it using SPI-2.  software
 	 * would normally use bus_num=2 for that controller.
 	 */
-	u16			bus_num;
+	s16			bus_num;
 
 	/* chipselects will be integral to many controllers; some others
 	 * might use board-specific GPIOs.
@@ -268,10 +273,14 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum);
  * @tx_dma: DMA address of tx_buf, if spi_message.is_dma_mapped
  * @rx_dma: DMA address of rx_buf, if spi_message.is_dma_mapped
  * @len: size of rx and tx buffers (in bytes)
+ * @speed_hz: Select a speed other then the device default for this
+ *      transfer. If 0 the default (from spi_device) is used.
+ * @bits_per_word: select a bits_per_word other then the device default
+ *      for this transfer. If 0 the default (from spi_device) is used.
  * @cs_change: affects chipselect after this transfer completes
  * @delay_usecs: microseconds to delay after this transfer before
- * 	(optionally) changing the chipselect status, then starting
- * 	the next transfer or completing this spi_message.
+ *	(optionally) changing the chipselect status, then starting
+ *	the next transfer or completing this spi_message.
  * @transfer_list: transfers are sequenced through spi_message.transfers
  *
  * SPI transfers always write the same number of bytes as they read.
@@ -322,7 +331,9 @@ struct spi_transfer {
 	dma_addr_t	rx_dma;
 
 	unsigned	cs_change:1;
+	u8		bits_per_word;
 	u16		delay_usecs;
+	u32		speed_hz;
 
 	struct list_head transfer_list;
 };
@@ -356,7 +367,7 @@ struct spi_transfer {
  * and its transfers, ignore them until its completion callback.
  */
 struct spi_message {
-	struct list_head 	transfers;
+	struct list_head	transfers;
 
 	struct spi_device	*spi;
 
@@ -374,7 +385,7 @@ struct spi_message {
 	 */
 
 	/* completion is reported through a callback */
-	void 			(*complete)(void *context);
+	void			(*complete)(void *context);
 	void			*context;
 	unsigned		actual_length;
 	int			status;
diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index c961fe9bf3e..16ce178f54d 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -30,6 +30,12 @@ struct spi_bitbang {
 
 	struct spi_master	*master;
 
+	/* setup_transfer() changes clock and/or wordsize to match settings
+	 * for this transfer; zeroes restore defaults from spi_device.
+	 */
+	int	(*setup_transfer)(struct spi_device *spi,
+			struct spi_transfer *t);
+
 	void	(*chipselect)(struct spi_device *spi, int is_on);
 #define	BITBANG_CS_ACTIVE	1	/* normally nCS, active low */
 #define	BITBANG_CS_INACTIVE	0
@@ -51,6 +57,8 @@ struct spi_bitbang {
 extern int spi_bitbang_setup(struct spi_device *spi);
 extern void spi_bitbang_cleanup(const struct spi_device *spi);
 extern int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m);
+extern int spi_bitbang_setup_transfer(struct spi_device *spi,
+				      struct spi_transfer *t);
 
 /* start or stop queue processing */
 extern int spi_bitbang_start(struct spi_bitbang *spi);
diff --git a/include/linux/swap.h b/include/linux/swap.h
index e24fa9b69cb..aca9bfae208 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -295,7 +295,7 @@ static inline void disable_swap_token(void)
 #define read_swap_cache_async(swp,vma,addr)	NULL
 #define lookup_swap_cache(swp)			NULL
 #define valid_swaphandles(swp, off)		0
-#define can_share_swap_page(p)			0
+#define can_share_swap_page(p)			(page_mapcount(p) == 1)
 #define move_to_swap_cache(p, swp)		1
 #define move_from_swap_cache(p, i, m)		1
 #define __delete_from_swap_cache(p)		/*NOTHING*/
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 70c64dbe4b8..bd67a4413df 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -52,6 +52,7 @@ struct utimbuf;
 struct mq_attr;
 struct compat_stat;
 struct compat_timeval;
+struct robust_list_head;
 
 #include <linux/types.h>
 #include <linux/aio_abi.h>
@@ -580,5 +581,10 @@ asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
 
 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
 					unsigned int flags);
+asmlinkage long sys_get_robust_list(int pid,
+				    struct robust_list_head __user **head_ptr,
+				    size_t __user *len_ptr);
+asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
+				    size_t len);
 
 #endif
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index d7670ec1ec1..ad7fa9c86c1 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1141,8 +1141,13 @@ extern char *v4l2_type_names[];
 /*  Compatibility layer interface  --  v4l1-compat module */
 typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
 			   unsigned int cmd, void *arg);
+
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
 int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
 			       int cmd, void *arg, v4l2_kioctl driver_ioctl);
+#else
+#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL
+#endif
 
 /* 32 Bits compatibility layer for 64 bits processors */
 extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,