Merge branch 'from-linus' into upstream

27 files changed, 173 insertions, 54 deletions

diff --git a/include/asm-arm/arch-aaec2000/debug-macro.S b/include/asm-arm/arch-aaec2000/debug-macro.S
index e4f1fa5..7b1fce0 100644
--- a/include/asm-arm/arch-aaec2000/debug-macro.S
+++ b/include/asm-arm/arch-aaec2000/debug-macro.S
@@ -9,6 +9,7 @@
  *  published by the Free Software Foundation.
  */
 
+#include "hardware.h"
 		.macro	addruart,rx
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1			@ MMU enabled?
diff --git a/include/asm-arm/arch-aaec2000/entry-macro.S b/include/asm-arm/arch-aaec2000/entry-macro.S
index df31313..1eb3503 100644
--- a/include/asm-arm/arch-aaec2000/entry-macro.S
+++ b/include/asm-arm/arch-aaec2000/entry-macro.S
@@ -10,6 +10,7 @@
  *  published by the Free Software Foundation.
  *
  */
+#include <asm/arch/irqs.h>
 
 		.macro	disable_fiq
 		.endm
diff --git a/include/asm-arm/arch-imx/debug-macro.S b/include/asm-arm/arch-imx/debug-macro.S
index 83f552f..c611871 100644
--- a/include/asm-arm/arch-imx/debug-macro.S
+++ b/include/asm-arm/arch-imx/debug-macro.S
@@ -16,7 +16,7 @@
 		tst	\rx, #1			@ MMU enabled?
 		moveq	\rx, #0x00000000	@ physical
 		movne	\rx, #0xe0000000	@ virtual
-		orr	\rx, \rx, #0x00200000
+		orreq	\rx, \rx, #0x00200000	@ physical
 		orr	\rx, \rx, #0x00006000	@ UART1 offset
 		.endm
 
diff --git a/include/asm-arm/arch-pxa/dma.h b/include/asm-arm/arch-pxa/dma.h
index 3e88a2a..a008150 100644
--- a/include/asm-arm/arch-pxa/dma.h
+++ b/include/asm-arm/arch-pxa/dma.h
@@ -24,27 +24,29 @@ typedef struct pxa_dma_desc {
 	volatile u32 dcmd;	/* DCMD value for the current transfer */
 } pxa_dma_desc;
 
+typedef enum {
+	DMA_PRIO_HIGH = 0,
+	DMA_PRIO_MEDIUM = 1,
+	DMA_PRIO_LOW = 2
+} pxa_dma_prio;
+
 #if defined(CONFIG_PXA27x)
 
 #define PXA_DMA_CHANNELS	32
-#define PXA_DMA_NBCH(prio)	((prio == DMA_PRIO_LOW) ? 16 : 8)
 
-typedef enum {
-	DMA_PRIO_HIGH = 0,
-	DMA_PRIO_MEDIUM = 8,
-	DMA_PRIO_LOW = 16
-} pxa_dma_prio;
+#define pxa_for_each_dma_prio(ch, prio)					\
+for (									\
+	ch = prio * 4;							\
+	ch != (4 << prio) + 16;						\
+	ch = (ch + 1 == (4 << prio)) ? (prio * 4 + 16) : (ch + 1)	\
+)
 
 #elif defined(CONFIG_PXA25x)
 
 #define PXA_DMA_CHANNELS	16
-#define PXA_DMA_NBCH(prio)	((prio == DMA_PRIO_LOW) ? 8 : 4)
 
-typedef enum {
-	DMA_PRIO_HIGH = 0,
-	DMA_PRIO_MEDIUM = 4,
-	DMA_PRIO_LOW = 8
-} pxa_dma_prio;
+#define pxa_for_each_dma_prio(ch, prio)					\
+	for (ch = prio * 4; ch != (4 << prio); ch++)
 
 #endif
 
diff --git a/include/asm-arm/arch-pxa/pxa2xx_spi.h b/include/asm-arm/arch-pxa/pxa2xx_spi.h
new file mode 100644
index 0000000..1e70908
--- /dev/null
+++ b/include/asm-arm/arch-pxa/pxa2xx_spi.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef PXA2XX_SPI_H_
+#define PXA2XX_SPI_H_
+
+#define PXA2XX_CS_ASSERT (0x01)
+#define PXA2XX_CS_DEASSERT (0x02)
+
+#if defined(CONFIG_PXA25x)
+#define CLOCK_SPEED_HZ 3686400
+#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/2/(x+1))<<8)&0x0000ff00)
+#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00)
+#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00)
+#elif defined(CONFIG_PXA27x)
+#define CLOCK_SPEED_HZ 13000000
+#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00)
+#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00)
+#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00)
+#endif
+
+#define SSP1_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(1)))))
+#define SSP2_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(2)))))
+#define SSP3_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(3)))))
+
+enum pxa_ssp_type {
+	SSP_UNDEFINED = 0,
+	PXA25x_SSP,  /* pxa 210, 250, 255, 26x */
+	PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */
+	PXA27x_SSP,
+};
+
+/* device.platform_data for SSP controller devices */
+struct pxa2xx_spi_master {
+	enum pxa_ssp_type ssp_type;
+	u32 clock_enable;
+	u16 num_chipselect;
+	u8 enable_dma;
+};
+
+/* spi_board_info.controller_data for SPI slave devices,
+ * copied to spi_device.platform_data ... mostly for dma tuning
+ */
+struct pxa2xx_spi_chip {
+	u8 tx_threshold;
+	u8 rx_threshold;
+	u8 dma_burst_size;
+	u32 timeout_microsecs;
+	u8 enable_loopback;
+	void (*cs_control)(u32 command);
+};
+
+#endif /*PXA2XX_SPI_H_*/
diff --git a/include/asm-arm/bug.h b/include/asm-arm/bug.h
index 7fb0213..5ab8216 100644
--- a/include/asm-arm/bug.h
+++ b/include/asm-arm/bug.h
@@ -2,6 +2,7 @@
 #define _ASMARM_BUG_H
 
 #include <linux/config.h>
+#include <linux/stddef.h>
 
 #ifdef CONFIG_BUG
 #ifdef CONFIG_DEBUG_BUGVERBOSE
diff --git a/include/asm-arm/procinfo.h b/include/asm-arm/procinfo.h
index a9c75b2..8425260 100644
--- a/include/asm-arm/procinfo.h
+++ b/include/asm-arm/procinfo.h
@@ -45,8 +45,6 @@ extern unsigned int elf_hwcap;
 
 #endif	/* __ASSEMBLY__ */
 
-#define PROC_INFO_SZ	48
-
 #define HWCAP_SWP	1
 #define HWCAP_HALF	2
 #define HWCAP_THUMB	4
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index 26f2f48..cbf39a5 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -363,7 +363,7 @@
 /*
  * The following syscalls are obsolete and no longer available for EABI.
  */
-#if defined(__ARM_EABI__)
+#if defined(__ARM_EABI__) && !defined(__KERNEL__)
 #undef __NR_time
 #undef __NR_umount
 #undef __NR_stime
diff --git a/include/asm-i386/io_apic.h b/include/asm-i386/io_apic.h
index 51c4e5f..d92e253 100644
--- a/include/asm-i386/io_apic.h
+++ b/include/asm-i386/io_apic.h
@@ -200,6 +200,7 @@ extern int io_apic_get_unique_id (int ioapic, int apic_id);
 extern int io_apic_get_version (int ioapic);
 extern int io_apic_get_redir_entries (int ioapic);
 extern int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int active_high_low);
+extern int timer_uses_ioapic_pin_0;
 #endif /* CONFIG_ACPI */
 
 extern int (*ioapic_renumber_irq)(int ioapic, int irq);
diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h
index 90921e1..6cc517e 100644
--- a/include/asm-ia64/bitops.h
+++ b/include/asm-ia64/bitops.h
@@ -11,7 +11,6 @@
 
 #include <linux/compiler.h>
 #include <linux/types.h>
-#include <asm/bitops.h>
 #include <asm/intrinsics.h>
 
 /**
diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h
index a70ba2e..0fb68a0 100644
--- a/include/asm-ppc/page.h
+++ b/include/asm-ppc/page.h
@@ -20,6 +20,7 @@
 /* This must match what is in arch/ppc/Makefile */
 #define PAGE_OFFSET	CONFIG_KERNEL_START
 #define KERNELBASE	PAGE_OFFSET
+#define is_kernel_addr(x)	((x) >= PAGE_OFFSET)
 
 #ifndef __ASSEMBLY__
 
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 657d582..41c2792 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -296,8 +296,14 @@
 #define __NR_pselect6		301
 #define __NR_ppoll		302
 #define __NR_unshare		303
+#define __NR_set_robust_list	304
+#define __NR_get_robust_list	305
+#define __NR_splice		306
+#define __NR_sync_file_range	307
+#define __NR_tee		308
+#define __NR_vmsplice		309
 
-#define NR_syscalls 304
+#define NR_syscalls 310
 
 /* 
  * There are some system calls that are not present on 64 bit, some
diff --git a/include/asm-x86_64/e820.h b/include/asm-x86_64/e820.h
index 93b51df..670a338 100644
--- a/include/asm-x86_64/e820.h
+++ b/include/asm-x86_64/e820.h
@@ -59,6 +59,8 @@ extern void __init parse_memopt(char *p, char **end);
 extern void __init parse_memmapopt(char *p, char **end);
 
 extern struct e820map e820;
+
+extern unsigned ebda_addr, ebda_size;
 #endif/*!__ASSEMBLY__*/
 
 #endif/*__E820_HEADER*/
diff --git a/include/asm-x86_64/io_apic.h b/include/asm-x86_64/io_apic.h
index ee1bc69..52484e8 100644
--- a/include/asm-x86_64/io_apic.h
+++ b/include/asm-x86_64/io_apic.h
@@ -205,6 +205,7 @@ extern int skip_ioapic_setup;
 extern int io_apic_get_version (int ioapic);
 extern int io_apic_get_redir_entries (int ioapic);
 extern int io_apic_set_pci_routing (int ioapic, int pin, int irq, int, int);
+extern int timer_uses_ioapic_pin_0;
 #endif
 
 extern int sis_apic_bug; /* dummy */ 
diff --git a/include/linux/device.h b/include/linux/device.h
index f6e72a6..e8e53b9 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -200,6 +200,7 @@ 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
@@ -228,6 +229,7 @@ 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 ff61817..635690c 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/kernel.h b/include/linux/kernel.h
index e1bd084..f4fc576 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/netdevice.h b/include/linux/netdevice.h
index 01db7b8..f4169bb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -433,8 +433,7 @@ 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 */
@@ -506,6 +505,8 @@ 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
@@ -829,21 +830,19 @@ 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 5673008..970284f 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 c32e60e..bd14858 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -254,6 +254,7 @@ 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 3af03b1..2d985d5 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -150,6 +150,7 @@ 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 b05f146..e928c0d 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 c961fe9..16ce178 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 5b1fdf1..f03c247 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -296,7 +296,7 @@ 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/net/neighbour.h b/include/net/neighbour.h
index b0666d6..4901ee4 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -211,6 +211,7 @@ struct neigh_table
 #define NEIGH_UPDATE_F_ADMIN			0x80000000
 
 extern void			neigh_table_init(struct neigh_table *tbl);
+extern void			neigh_table_init_no_netlink(struct neigh_table *tbl);
 extern int			neigh_table_clear(struct neigh_table *tbl);
 extern struct neighbour *	neigh_lookup(struct neigh_table *tbl,
 					     const void *pkey,
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index eba99f3..7f4fea1 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -712,6 +712,7 @@ struct sctp_chunk {
 	__u8 tsn_gap_acked;	/* Is this chunk acked by a GAP ACK? */
 	__s8 fast_retransmit;	 /* Is this chunk fast retransmitted? */
 	__u8 tsn_missing_report; /* Data chunk missing counter. */
+	__u8 data_accepted; 	/* At least 1 chunk in this packet accepted */
 };
 
 void sctp_chunk_hold(struct sctp_chunk *);
diff --git a/include/scsi/srp.h b/include/scsi/srp.h
index 6c2681d..637f77e 100644
--- a/include/scsi/srp.h
+++ b/include/scsi/srp.h
@@ -95,14 +95,15 @@ struct srp_direct_buf {
 
 /*
  * We need the packed attribute because the SRP spec puts the list of
- * descriptors at an offset of 20, which is not aligned to the size
- * of struct srp_direct_buf.
+ * descriptors at an offset of 20, which is not aligned to the size of
+ * struct srp_direct_buf.  The whole structure must be packed to avoid
+ * having the 20-byte structure padded to 24 bytes on 64-bit architectures.
  */
 struct srp_indirect_buf {
 	struct srp_direct_buf	table_desc;
 	__be32			len;
-	struct srp_direct_buf	desc_list[0] __attribute__((packed));
-};
+	struct srp_direct_buf	desc_list[0];
+} __attribute__((packed));
 
 enum {
 	SRP_MULTICHAN_SINGLE = 0,
@@ -122,6 +123,11 @@ struct srp_login_req {
 	u8	target_port_id[16];
 };
 
+/*
+ * The SRP spec defines the size of the LOGIN_RSP structure to be 52
+ * bytes, so it needs to be packed to avoid having it padded to 56
+ * bytes on 64-bit architectures.
+ */
 struct srp_login_rsp {
 	u8	opcode;
 	u8	reserved1[3];
@@ -132,7 +138,7 @@ struct srp_login_rsp {
 	__be16	buf_fmt;
 	u8	rsp_flags;
 	u8	reserved2[25];
-};
+} __attribute__((packed));
 
 struct srp_login_rej {
 	u8	opcode;
@@ -207,6 +213,11 @@ enum {
 	SRP_RSP_FLAG_DIUNDER  = 1 << 5
 };
 
+/*
+ * The SRP spec defines the size of the RSP structure to be 36 bytes,
+ * so it needs to be packed to avoid having it padded to 40 bytes on
+ * 64-bit architectures.
+ */
 struct srp_rsp {
 	u8	opcode;
 	u8	sol_not;
@@ -221,6 +232,6 @@ struct srp_rsp {
 	__be32	sense_data_len;
 	__be32	resp_data_len;
 	u8	data[0];
-};
+} __attribute__((packed));
 
 #endif /* SCSI_SRP_H */