27 files changed, 189 insertions, 57 deletions

diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index ab94335..6816be6 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -1,5 +1,9 @@
 /*
- *  linux/include/asm-arm/hardware/amba.h
+ *  linux/include/amba/bus.h
+ *
+ *  This device type deals with ARM PrimeCells and anything else that
+ *  presents a proper CID (0xB105F00D) at the end of the I/O register
+ *  region or that is derived from a PrimeCell.
  *
  *  Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
  *
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 38a6948..20f3156 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -647,9 +647,9 @@ static inline int ata_id_has_large_logical_sectors(const u16 *id)
 	return id[ATA_ID_SECTOR_SIZE] & (1 << 13);
 }
 
-static inline u8 ata_id_logical_per_physical_sectors(const u16 *id)
+static inline u16 ata_id_logical_per_physical_sectors(const u16 *id)
 {
-	return id[ATA_ID_SECTOR_SIZE] & 0xf;
+	return 1 << (id[ATA_ID_SECTOR_SIZE] & 0xf);
 }
 
 static inline int ata_id_has_lba48(const u16 *id)
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index cd4349b..89c6249 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -109,6 +109,7 @@ extern int prepare_binprm(struct linux_binprm *);
 extern int __must_check remove_arg_zero(struct linux_binprm *);
 extern int search_binary_handler(struct linux_binprm *,struct pt_regs *);
 extern int flush_old_exec(struct linux_binprm * bprm);
+extern void setup_new_exec(struct linux_binprm * bprm);
 
 extern int suid_dumpable;
 #define SUID_DUMP_DISABLE	0	/* No setuid dumping */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5c80189..1896e86 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -461,8 +461,7 @@ struct request_queue
 #define QUEUE_FLAG_NONROT      14	/* non-rotational device (SSD) */
 #define QUEUE_FLAG_VIRT        QUEUE_FLAG_NONROT /* paravirt device */
 #define QUEUE_FLAG_IO_STAT     15	/* do IO stats */
-#define QUEUE_FLAG_CQ	       16	/* hardware does queuing */
-#define QUEUE_FLAG_DISCARD     17	/* supports DISCARD */
+#define QUEUE_FLAG_DISCARD     16	/* supports DISCARD */
 
 #define QUEUE_FLAG_DEFAULT	((1 << QUEUE_FLAG_IO_STAT) |		\
 				 (1 << QUEUE_FLAG_CLUSTER) |		\
@@ -586,7 +585,6 @@ enum {
 
 #define blk_queue_plugged(q)	test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags)
 #define blk_queue_tagged(q)	test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
-#define blk_queue_queuing(q)	test_bit(QUEUE_FLAG_CQ, &(q)->queue_flags)
 #define blk_queue_stopped(q)	test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
 #define blk_queue_nomerges(q)	test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags)
 #define blk_queue_nonrot(q)	test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags)
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 5be3dab..188fcae 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -15,6 +15,7 @@
 # define __acquire(x)	__context__(x,1)
 # define __release(x)	__context__(x,-1)
 # define __cond_lock(x,c)	((c) ? ({ __acquire(x); 1; }) : 0)
+# define __percpu	__attribute__((noderef, address_space(3)))
 extern void __chk_user_ptr(const volatile void __user *);
 extern void __chk_io_ptr(const volatile void __iomem *);
 #else
@@ -32,6 +33,7 @@ extern void __chk_io_ptr(const volatile void __iomem *);
 # define __acquire(x) (void)0
 # define __release(x) (void)0
 # define __cond_lock(x,c) (c)
+# define __percpu
 #endif
 
 #ifdef __KERNEL__
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 72ba63e..3a779ff 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -24,9 +24,6 @@
 
 #include <linux/types.h>
 
-#define CN_IDX_CONNECTOR		0xffffffff
-#define CN_VAL_CONNECTOR		0xffffffff
-
 /*
  * Process Events connector unique ids -- used for message routing
  */
@@ -75,30 +72,6 @@ struct cn_msg {
 	__u8 data[0];
 };
 
-/*
- * Notify structure - requests notification about
- * registering/unregistering idx/val in range [first, first+range].
- */
-struct cn_notify_req {
-	__u32 first;
-	__u32 range;
-};
-
-/*
- * Main notification control message
- * *_notify_num 	- number of appropriate cn_notify_req structures after 
- *				this struct.
- * group 		- notification receiver's idx.
- * len 			- total length of the attached data.
- */
-struct cn_ctl_msg {
-	__u32 idx_notify_num;
-	__u32 val_notify_num;
-	__u32 group;
-	__u32 len;
-	__u8 data[0];
-};
-
 #ifdef __KERNEL__
 
 #include <asm/atomic.h>
@@ -151,11 +124,6 @@ struct cn_callback_entry {
 	u32 seq, group;
 };
 
-struct cn_ctl_entry {
-	struct list_head notify_entry;
-	struct cn_ctl_msg *msg;
-};
-
 struct cn_dev {
 	struct cb_id id;
 
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index 94dd103..91bb4f2 100644
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -10,6 +10,7 @@
 
 #include <linux/fcntl.h>
 #include <linux/file.h>
+#include <linux/wait.h>
 
 /*
  * CAREFUL: Check include/asm-generic/fcntl.h when defining
@@ -34,6 +35,9 @@ struct file *eventfd_fget(int fd);
 struct eventfd_ctx *eventfd_ctx_fdget(int fd);
 struct eventfd_ctx *eventfd_ctx_fileget(struct file *file);
 int eventfd_signal(struct eventfd_ctx *ctx, int n);
+ssize_t eventfd_ctx_read(struct eventfd_ctx *ctx, int no_wait, __u64 *cnt);
+int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_t *wait,
+				  __u64 *cnt);
 
 #else /* CONFIG_EVENTFD */
 
@@ -61,6 +65,18 @@ static inline void eventfd_ctx_put(struct eventfd_ctx *ctx)
 
 }
 
+static inline ssize_t eventfd_ctx_read(struct eventfd_ctx *ctx, int no_wait,
+				       __u64 *cnt)
+{
+	return -ENOSYS;
+}
+
+static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx,
+						wait_queue_t *wait, __u64 *cnt)
+{
+	return -ENOSYS;
+}
+
 #endif
 
 #endif /* _LINUX_EVENTFD_H */
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index 1f716d9..520ecf8 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -380,7 +380,7 @@ struct fw_cdev_initiate_bus_reset {
  * @immediate:	If non-zero, immediate key to insert before pointer
  * @key:	Upper 8 bits of root directory pointer
  * @data:	Userspace pointer to contents of descriptor block
- * @length:	Length of descriptor block data, in bytes
+ * @length:	Length of descriptor block data, in quadlets
  * @handle:	Handle to the descriptor, written by the kernel
  *
  * Add a descriptor block and optionally a preceding immediate key to the local
@@ -394,6 +394,8 @@ struct fw_cdev_initiate_bus_reset {
  * If not 0, the @immediate field specifies an immediate key which will be
  * inserted before the root directory pointer.
  *
+ * @immediate, @key, and @data array elements are CPU-endian quadlets.
+ *
  * If successful, the kernel adds the descriptor and writes back a handle to the
  * kernel-side object to be used for later removal of the descriptor block and
  * immediate key.
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b1bcb27..ebb1cd5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -729,6 +729,7 @@ struct inode {
 	uid_t			i_uid;
 	gid_t			i_gid;
 	dev_t			i_rdev;
+	unsigned int		i_blkbits;
 	u64			i_version;
 	loff_t			i_size;
 #ifdef __NEED_I_SIZE_ORDERED
@@ -738,7 +739,6 @@ struct inode {
 	struct timespec		i_mtime;
 	struct timespec		i_ctime;
 	blkcnt_t		i_blocks;
-	unsigned int		i_blkbits;
 	unsigned short          i_bytes;
 	umode_t			i_mode;
 	spinlock_t		i_lock;	/* i_blocks, i_bytes, maybe i_size */
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 8709365..b1344ec 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -501,7 +501,7 @@ struct hid_device {							/* device report descriptor */
 	void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
 
 	/* handler for raw output data, used by hidraw */
-	int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t);
+	int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char);
 
 	/* debugging support via debugfs */
 	unsigned short debug;
@@ -663,7 +663,7 @@ struct hid_ll_driver {
 
 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
 /* We ignore a few input applications that are not widely used */
-#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || (a == 0x000d0002))
+#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006)))
 
 /* HID core API */
 
@@ -690,6 +690,7 @@ int hid_input_report(struct hid_device *, int type, u8 *, int, int);
 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
 void hid_output_report(struct hid_report *report, __u8 *data);
 struct hid_device *hid_allocate_device(void);
+struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
 int hid_check_keys_pressed(struct hid_device *hid);
 int hid_connect(struct hid_device *hid, unsigned int connect_mask);
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index 41235c9..5977b72 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -44,7 +44,7 @@ static inline int hw_breakpoint_type(struct perf_event *bp)
 	return bp->attr.bp_type;
 }
 
-static inline int hw_breakpoint_len(struct perf_event *bp)
+static inline unsigned long hw_breakpoint_len(struct perf_event *bp)
 {
 	return bp->attr.bp_len;
 }
@@ -75,6 +75,8 @@ extern int __register_perf_hw_breakpoint(struct perf_event *bp);
 extern void unregister_hw_breakpoint(struct perf_event *bp);
 extern void unregister_wide_hw_breakpoint(struct perf_event **cpu_events);
 
+extern int dbg_reserve_bp_slot(struct perf_event *bp);
+extern int dbg_release_bp_slot(struct perf_event *bp);
 extern int reserve_bp_slot(struct perf_event *bp);
 extern void release_bp_slot(struct perf_event *bp);
 
diff --git a/include/linux/ima.h b/include/linux/ima.h
index 99dc6d5..975837e 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -17,7 +17,7 @@ struct linux_binprm;
 extern int ima_bprm_check(struct linux_binprm *bprm);
 extern int ima_inode_alloc(struct inode *inode);
 extern void ima_inode_free(struct inode *inode);
-extern int ima_path_check(struct path *path, int mask);
+extern int ima_file_check(struct file *file, int mask);
 extern void ima_file_free(struct file *file);
 extern int ima_file_mmap(struct file *file, unsigned long prot);
 extern void ima_counts_get(struct file *file);
@@ -38,7 +38,7 @@ static inline void ima_inode_free(struct inode *inode)
 	return;
 }
 
-static inline int ima_path_check(struct path *path, int mask)
+static inline int ima_file_check(struct file *file, int mask)
 {
 	return 0;
 }
diff --git a/include/linux/input.h b/include/linux/input.h
index 7be8a65..f44ee91 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -376,6 +376,7 @@ struct input_absinfo {
 #define KEY_DISPLAY_OFF		245	/* display device to off state */
 
 #define KEY_WIMAX		246
+#define KEY_RFKILL		247	/* Key that controls all radios */
 
 /* Range 248 - 255 is reserved for special needs of AT keyboard driver */
 
@@ -597,6 +598,48 @@ struct input_absinfo {
 
 #define KEY_CAMERA_FOCUS	0x210
 
+#define BTN_TRIGGER_HAPPY		0x2c0
+#define BTN_TRIGGER_HAPPY1		0x2c0
+#define BTN_TRIGGER_HAPPY2		0x2c1
+#define BTN_TRIGGER_HAPPY3		0x2c2
+#define BTN_TRIGGER_HAPPY4		0x2c3
+#define BTN_TRIGGER_HAPPY5		0x2c4
+#define BTN_TRIGGER_HAPPY6		0x2c5
+#define BTN_TRIGGER_HAPPY7		0x2c6
+#define BTN_TRIGGER_HAPPY8		0x2c7
+#define BTN_TRIGGER_HAPPY9		0x2c8
+#define BTN_TRIGGER_HAPPY10		0x2c9
+#define BTN_TRIGGER_HAPPY11		0x2ca
+#define BTN_TRIGGER_HAPPY12		0x2cb
+#define BTN_TRIGGER_HAPPY13		0x2cc
+#define BTN_TRIGGER_HAPPY14		0x2cd
+#define BTN_TRIGGER_HAPPY15		0x2ce
+#define BTN_TRIGGER_HAPPY16		0x2cf
+#define BTN_TRIGGER_HAPPY17		0x2d0
+#define BTN_TRIGGER_HAPPY18		0x2d1
+#define BTN_TRIGGER_HAPPY19		0x2d2
+#define BTN_TRIGGER_HAPPY20		0x2d3
+#define BTN_TRIGGER_HAPPY21		0x2d4
+#define BTN_TRIGGER_HAPPY22		0x2d5
+#define BTN_TRIGGER_HAPPY23		0x2d6
+#define BTN_TRIGGER_HAPPY24		0x2d7
+#define BTN_TRIGGER_HAPPY25		0x2d8
+#define BTN_TRIGGER_HAPPY26		0x2d9
+#define BTN_TRIGGER_HAPPY27		0x2da
+#define BTN_TRIGGER_HAPPY28		0x2db
+#define BTN_TRIGGER_HAPPY29		0x2dc
+#define BTN_TRIGGER_HAPPY30		0x2dd
+#define BTN_TRIGGER_HAPPY31		0x2de
+#define BTN_TRIGGER_HAPPY32		0x2df
+#define BTN_TRIGGER_HAPPY33		0x2e0
+#define BTN_TRIGGER_HAPPY34		0x2e1
+#define BTN_TRIGGER_HAPPY35		0x2e2
+#define BTN_TRIGGER_HAPPY36		0x2e3
+#define BTN_TRIGGER_HAPPY37		0x2e4
+#define BTN_TRIGGER_HAPPY38		0x2e5
+#define BTN_TRIGGER_HAPPY39		0x2e6
+#define BTN_TRIGGER_HAPPY40		0x2e7
+
 /* We avoid low common keys in module aliases so they don't get huge. */
 #define KEY_MIN_INTERESTING	KEY_MUTE
 #define KEY_MAX			0x2ff
@@ -660,6 +703,7 @@ struct input_absinfo {
 #define ABS_MT_TOOL_TYPE	0x37	/* Type of touching device */
 #define ABS_MT_BLOB_ID		0x38	/* Group a set of packets as a blob */
 #define ABS_MT_TRACKING_ID	0x39	/* Unique ID of initiated contact */
+#define ABS_MT_PRESSURE		0x3a	/* Pressure on contact area */
 
 #define ABS_MAX			0x3f
 #define ABS_CNT			(ABS_MAX+1)
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 6f6c5f3..bc0fc79 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -124,7 +124,7 @@ extern __must_check unsigned int kfifo_out_peek(struct kfifo *fifo,
  */
 static inline bool kfifo_initialized(struct kfifo *fifo)
 {
-	return fifo->buffer != 0;
+	return fifo->buffer != NULL;
 }
 
 /**
diff --git a/include/linux/kmsg_dump.h b/include/linux/kmsg_dump.h
index e32aa26..24b4414 100644
--- a/include/linux/kmsg_dump.h
+++ b/include/linux/kmsg_dump.h
@@ -17,6 +17,7 @@
 enum kmsg_dump_reason {
 	KMSG_DUMP_OOPS,
 	KMSG_DUMP_PANIC,
+	KMSG_DUMP_KEXEC,
 };
 
 /**
diff --git a/include/linux/mtd/pismo.h b/include/linux/mtd/pismo.h
new file mode 100644
index 0000000..8dfb7e1
--- /dev/null
+++ b/include/linux/mtd/pismo.h
@@ -0,0 +1,17 @@
+/*
+ * PISMO memory driver - http://www.pismoworld.org/
+ *
+ * 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.
+ */
+#ifndef __LINUX_MTD_PISMO_H
+#define __LINUX_MTD_PISMO_H
+
+struct pismo_pdata {
+	void			(*set_vpp)(void *, int);
+	void			*vpp_data;
+	phys_addr_t		cs_addrs[5];
+};
+
+#endif
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index ed5d750..3c62ed4 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -253,6 +253,8 @@ extern struct page * read_cache_page_async(struct address_space *mapping,
 extern struct page * read_cache_page(struct address_space *mapping,
 				pgoff_t index, filler_t *filler,
 				void *data);
+extern struct page * read_cache_page_gfp(struct address_space *mapping,
+				pgoff_t index, gfp_t gfp_mask);
 extern int read_cache_pages(struct address_space *mapping,
 		struct list_head *pages, filler_t *filler, void *data);
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 174e539..c1968f4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -756,6 +756,10 @@ pci_power_t pci_target_state(struct pci_dev *dev);
 int pci_prepare_to_sleep(struct pci_dev *dev);
 int pci_back_from_sleep(struct pci_dev *dev);
 
+/* For use by arch with custom probe code */
+void set_pcie_port_type(struct pci_dev *pdev);
+void set_pcie_hotplug_bridge(struct pci_dev *pdev);
+
 /* Functions for PCI Hotplug drivers to use */
 int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
 #ifdef CONFIG_HOTPLUG
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8fa7187..a177698 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -211,11 +211,9 @@ struct perf_event_attr {
 		__u32		wakeup_watermark; /* bytes before wakeup   */
 	};
 
-	__u32			__reserved_2;
-
-	__u64			bp_addr;
 	__u32			bp_type;
-	__u32			bp_len;
+	__u64			bp_addr;
+	__u64			bp_len;
 };
 
 /*
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 7968def..6a7eb40 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -485,6 +485,7 @@ void phy_driver_unregister(struct phy_driver *drv);
 int phy_driver_register(struct phy_driver *new_driver);
 void phy_prepare_link(struct phy_device *phydev,
 		void (*adjust_link)(struct net_device *));
+void phy_state_machine(struct work_struct *work);
 void phy_start_machine(struct phy_device *phydev,
 		void (*handler)(struct net_device *));
 void phy_stop_machine(struct phy_device *phydev);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6f7bba9..78efe7c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -310,6 +310,7 @@ extern void sched_show_task(struct task_struct *p);
 #ifdef CONFIG_DETECT_SOFTLOCKUP
 extern void softlockup_tick(void);
 extern void touch_softlockup_watchdog(void);
+extern void touch_softlockup_watchdog_sync(void);
 extern void touch_all_softlockup_watchdogs(void);
 extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
 				    void __user *buffer,
@@ -323,6 +324,9 @@ static inline void softlockup_tick(void)
 static inline void touch_softlockup_watchdog(void)
 {
 }
+static inline void touch_softlockup_watchdog_sync(void)
+{
+}
 static inline void touch_all_softlockup_watchdogs(void)
 {
 }
@@ -1369,7 +1373,7 @@ struct task_struct {
 	char comm[TASK_COMM_LEN]; /* executable name excluding path
 				     - access with [gs]et_task_comm (which lock
 				       it with task_lock())
-				     - initialized normally by flush_old_exec */
+				     - initialized normally by setup_new_exec */
 /* file system info */
 	int link_count, total_link_count;
 #ifdef CONFIG_SYSVIPC
diff --git a/include/linux/spi/ad7879.h b/include/linux/spi/ad7879.h
index 4231104..6334cee 100644
--- a/include/linux/spi/ad7879.h
+++ b/include/linux/spi/ad7879.h
@@ -28,8 +28,12 @@ struct ad7879_platform_data {
 	 * 1 = 4, 2 = 8, 3 = 16 (median > averaging)
 	 */
 	u8	median;
-	/* 1 = AUX/VBAT/GPIO set to GPIO Output */
-	u8	gpio_output;
-	/* Initial GPIO pin state (valid if gpio_output = 1) */
-	u8	gpio_default;
+	/* 1 = AUX/VBAT/GPIO export GPIO to gpiolib
+	 * requires CONFIG_GPIOLIB
+	 */
+	bool	gpio_export;
+	/* identifies the first GPIO number handled by this chip;
+	 * or, if negative, requests dynamic ID allocation.
+	 */
+	s32	gpio_base;
 };
diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h
index 51b3e77..cc813f9 100644
--- a/include/linux/spi/dw_spi.h
+++ b/include/linux/spi/dw_spi.h
@@ -90,6 +90,7 @@ struct dw_spi {
 	unsigned long		paddr;
 	u32			iolen;
 	int			irq;
+	u32			fifo_len;	/* depth of the FIFO buffer */
 	u32			max_freq;	/* max bus freq supported */
 
 	u16			bus_num;
@@ -171,6 +172,10 @@ static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
 {
 	if (cs > dws->num_cs)
 		return;
+
+	if (dws->cs_control)
+		dws->cs_control(1);
+
 	dw_writel(dws, ser, 1 << cs);
 }
 
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 057a2e0..f508c65 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -51,6 +51,9 @@ struct virtqueue {
  *	This re-enables callbacks; it returns "false" if there are pending
  *	buffers in the queue, to detect a possible race between the driver
  *	checking for more work, and enabling callbacks.
+ * @detach_unused_buf: detach first unused buffer
+ * 	vq: the struct virtqueue we're talking about.
+ * 	Returns NULL or the "data" token handed to add_buf
  *
  * Locking rules are straightforward: the driver is responsible for
  * locking.  No two operations may be invoked simultaneously, with the exception
@@ -71,6 +74,7 @@ struct virtqueue_ops {
 
 	void (*disable_cb)(struct virtqueue *vq);
 	bool (*enable_cb)(struct virtqueue *vq);
+	void *(*detach_unused_buf)(struct virtqueue *vq);
 };
 
 /**
diff --git a/include/linux/virtio_balloon.h b/include/linux/virtio_balloon.h
index 1418f04..a50ecd1 100644
--- a/include/linux/virtio_balloon.h
+++ b/include/linux/virtio_balloon.h
@@ -7,6 +7,7 @@
 
 /* The feature bitmap for virtio balloon */
 #define VIRTIO_BALLOON_F_MUST_TELL_HOST	0 /* Tell before reclaiming pages */
+#define VIRTIO_BALLOON_F_STATS_VQ	1 /* Memory Stats virtqueue */
 
 /* Size of a PFN in the balloon interface. */
 #define VIRTIO_BALLOON_PFN_SHIFT 12
@@ -18,4 +19,18 @@ struct virtio_balloon_config
 	/* Number of pages we've actually got in balloon. */
 	__le32 actual;
 };
+
+#define VIRTIO_BALLOON_S_SWAP_IN  0   /* Amount of memory swapped in */
+#define VIRTIO_BALLOON_S_SWAP_OUT 1   /* Amount of memory swapped out */
+#define VIRTIO_BALLOON_S_MAJFLT   2   /* Number of major faults */
+#define VIRTIO_BALLOON_S_MINFLT   3   /* Number of minor faults */
+#define VIRTIO_BALLOON_S_MEMFREE  4   /* Total amount of free memory */
+#define VIRTIO_BALLOON_S_MEMTOT   5   /* Total amount of memory */
+#define VIRTIO_BALLOON_S_NR       6
+
+struct virtio_balloon_stat {
+	u16 tag;
+	u64 val;
+} __attribute__((packed));
+
 #endif /* _LINUX_VIRTIO_BALLOON_H */
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index fd294c5..e52029e 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -15,6 +15,7 @@
 #define VIRTIO_BLK_F_BLK_SIZE	6	/* Block size of disk is available*/
 #define VIRTIO_BLK_F_SCSI	7	/* Supports scsi command passthru */
 #define VIRTIO_BLK_F_FLUSH	9	/* Cache flush command support */
+#define VIRTIO_BLK_F_TOPOLOGY	10	/* Topology information is available */
 
 struct virtio_blk_config {
 	/* The capacity (in 512-byte sectors). */
@@ -29,8 +30,20 @@ struct virtio_blk_config {
 		__u8 heads;
 		__u8 sectors;
 	} geometry;
+
 	/* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
 	__u32 blk_size;
+
+	/* the next 4 entries are guarded by VIRTIO_BLK_F_TOPOLOGY  */
+	/* exponent for physical block per logical block. */
+	__u8 physical_block_exp;
+	/* alignment offset in logical blocks. */
+	__u8 alignment_offset;
+	/* minimum I/O size without performance penalty in logical blocks. */
+	__u16 min_io_size;
+	/* optimal sustained I/O size in logical blocks. */
+	__u32 opt_io_size;
+
 } __attribute__((packed));
 
 /*
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index fe88517..ae4f039 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -3,19 +3,45 @@
 #include <linux/types.h>
 #include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
-/* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
- * anyone can use the definitions to implement compatible drivers/servers. */
+/*
+ * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
+ * anyone can use the definitions to implement compatible drivers/servers.
+ *
+ * Copyright (C) Red Hat, Inc., 2009, 2010
+ */
 
 /* Feature bits */
 #define VIRTIO_CONSOLE_F_SIZE	0	/* Does host provide console size? */
+#define VIRTIO_CONSOLE_F_MULTIPORT 1	/* Does host provide multiple ports? */
 
 struct virtio_console_config {
 	/* colums of the screens */
 	__u16 cols;
 	/* rows of the screens */
 	__u16 rows;
+	/* max. number of ports this device can hold */
+	__u32 max_nr_ports;
+	/* number of ports added so far */
+	__u32 nr_ports;
 } __attribute__((packed));
 
+/*
+ * A message that's passed between the Host and the Guest for a
+ * particular port.
+ */
+struct virtio_console_control {
+	__u32 id;		/* Port number */
+	__u16 event;		/* The kind of control event (see below) */
+	__u16 value;		/* Extra information for the key */
+};
+
+/* Some events for control messages */
+#define VIRTIO_CONSOLE_PORT_READY	0
+#define VIRTIO_CONSOLE_CONSOLE_PORT	1
+#define VIRTIO_CONSOLE_RESIZE		2
+#define VIRTIO_CONSOLE_PORT_OPEN	3
+#define VIRTIO_CONSOLE_PORT_NAME	4
+#define VIRTIO_CONSOLE_PORT_REMOVE	5
 
 #ifdef __KERNEL__
 int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));