Merge branch 'linus' into tracing/urgent

13 files changed, 186 insertions, 38 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index fd6a452b0ceb..fba8051fb297 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -163,8 +163,6 @@ struct acpi_pci_driver {
 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
 
-#ifdef CONFIG_ACPI_EC
-
 extern int ec_read(u8 addr, u8 *val);
 extern int ec_write(u8 addr, u8 val);
 extern int ec_transaction(u8 command,
@@ -172,8 +170,6 @@ extern int ec_transaction(u8 command,
                           u8 *rdata, unsigned rdata_len,
                           int force_poll);
 
-#endif /*CONFIG_ACPI_EC*/
-
 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 
 typedef void (*wmi_notify_handler) (u32 value, void *context);
@@ -194,6 +190,50 @@ extern bool wmi_has_guid(const char *guid);
 
 #endif  /* CONFIG_ACPI_WMI */
 
+#define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
+#define ACPI_VIDEO_DEVICE_POSTING                       0x0002
+#define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
+#define ACPI_VIDEO_BACKLIGHT                            0x0008
+#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
+#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
+#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
+#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
+#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
+#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
+#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
+#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
+
+#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
+
+extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
+extern long acpi_is_video_device(struct acpi_device *device);
+extern int acpi_video_backlight_support(void);
+extern int acpi_video_display_switch_support(void);
+
+#else
+
+static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
+{
+        return 0;
+}
+
+static inline long acpi_is_video_device(struct acpi_device *device)
+{
+        return 0;
+}
+
+static inline int acpi_video_backlight_support(void)
+{
+        return 0;
+}
+
+static inline int acpi_video_display_switch_support(void)
+{
+        return 0;
+}
+
+#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
+
 extern int acpi_blacklisted(void);
 #ifdef CONFIG_DMI
 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
diff --git a/include/linux/c2port.h b/include/linux/c2port.h
new file mode 100644
index 000000000000..7b5a2388ba67
--- /dev/null
+++ b/include/linux/c2port.h
@@ -0,0 +1,65 @@
+/*
+ *  Silicon Labs C2 port Linux support
+ *
+ *  Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it>
+ *  Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation
+ */
+
+#include <linux/device.h>
+
+#define C2PORT_NAME_LEN                 32
+
+/*
+ * C2 port basic structs
+ */
+
+/* Main struct */
+struct c2port_ops;
+struct c2port_device {
+        unsigned int access:1;
+        unsigned int flash_access:1;
+
+        int id;
+        char name[C2PORT_NAME_LEN];
+        struct c2port_ops *ops;
+        struct mutex mutex;             /* prevent races during read/write */
+
+        struct device *dev;
+
+        void *private_data;
+};
+
+/* Basic operations */
+struct c2port_ops {
+        /* Flash layout */
+        unsigned short block_size;      /* flash block size in bytes */
+        unsigned short blocks_num;      /* flash blocks number */
+
+        /* Enable or disable the access to C2 port */
+        void (*access)(struct c2port_device *dev, int status);
+
+        /* Set C2D data line as input/output */
+        void (*c2d_dir)(struct c2port_device *dev, int dir);
+
+        /* Read/write C2D data line */
+        int (*c2d_get)(struct c2port_device *dev);
+        void (*c2d_set)(struct c2port_device *dev, int status);
+
+        /* Write C2CK clock line */
+        void (*c2ck_set)(struct c2port_device *dev, int status);
+};
+
+/*
+ * Exported functions
+ */
+
+#define to_class_dev(obj) container_of((obj), struct class_device, kobj)
+#define to_c2port_device(obj) container_of((obj), struct c2port_device, class)
+
+extern struct c2port_device *c2port_device_register(char *name,
+                                        struct c2port_ops *ops, void *devdata);
+extern void c2port_device_unregister(struct c2port_device *dev);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index e439e6aed832..3df7742ce246 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -522,7 +522,9 @@ extern char *disk_name (struct gendisk *hd, int partno, char *buf);
 
 extern int disk_expand_part_tbl(struct gendisk *disk, int target);
 extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
-extern int __must_check add_partition(struct gendisk *, int, sector_t, sector_t, int);
+extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
+                                                     int partno, sector_t start,
+                                                     sector_t len, int flags);
 extern void delete_partition(struct gendisk *, int);
 extern void printk_all_partitions(void);
 
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 07e510a3b00a..3eba43878dcb 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -46,9 +46,6 @@ enum hrtimer_restart {
  * hrtimer callback modes:
  *
  *      HRTIMER_CB_SOFTIRQ:             Callback must run in softirq context
- *      HRTIMER_CB_IRQSAFE:             Callback may run in hardirq context
- *      HRTIMER_CB_IRQSAFE_NO_RESTART:  Callback may run in hardirq context and
- *                                      does not restart the timer
  *      HRTIMER_CB_IRQSAFE_PERCPU:      Callback must run in hardirq context
  *                                      Special mode for tick emulation and
  *                                      scheduler timer. Such timers are per
@@ -61,8 +58,6 @@ enum hrtimer_restart {
  */
 enum hrtimer_cb_mode {
         HRTIMER_CB_SOFTIRQ,
-        HRTIMER_CB_IRQSAFE,
-        HRTIMER_CB_IRQSAFE_NO_RESTART,
         HRTIMER_CB_IRQSAFE_PERCPU,
         HRTIMER_CB_IRQSAFE_UNLOCKED,
 };
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index bd578578a8b9..37ea2894b3c0 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -134,6 +134,8 @@ extern void inotify_remove_watch_locked(struct inotify_handle *,
                                         struct inotify_watch *);
 extern void get_inotify_watch(struct inotify_watch *);
 extern void put_inotify_watch(struct inotify_watch *);
+extern int pin_inotify_watch(struct inotify_watch *);
+extern void unpin_inotify_watch(struct inotify_watch *);
 
 #else
 
@@ -228,6 +230,15 @@ static inline void put_inotify_watch(struct inotify_watch *watch)
 {
 }
 
+extern inline int pin_inotify_watch(struct inotify_watch *watch)
+{
+        return 0;
+}
+
+extern inline void unpin_inotify_watch(struct inotify_watch *watch)
+{
+}
+
 #endif  /* CONFIG_INOTIFY */
 
 #endif  /* __KERNEL __ */
diff --git a/include/linux/input.h b/include/linux/input.h
index b86fb5581ce6..5341e8251f8c 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -238,6 +238,7 @@ struct input_absinfo {
 #define KEY_KPEQUAL             117
 #define KEY_KPPLUSMINUS         118
 #define KEY_PAUSE               119
+#define KEY_SCALE               120     /* AL Compiz Scale (Expose) */
 
 #define KEY_KPCOMMA             121
 #define KEY_HANGEUL             122
@@ -322,6 +323,7 @@ struct input_absinfo {
 #define KEY_PAUSECD             201
 #define KEY_PROG3               202
 #define KEY_PROG4               203
+#define KEY_DASHBOARD           204     /* AL Dashboard */
 #define KEY_SUSPEND             205
 #define KEY_CLOSE               206     /* AC Close */
 #define KEY_PLAY                207
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index fba141d3ca07..dc7e0d0a6474 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -318,32 +318,36 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         return buf;
 }
 
-#define pr_emerg(fmt, arg...) \
-        printk(KERN_EMERG fmt, ##arg)
-#define pr_alert(fmt, arg...) \
-        printk(KERN_ALERT fmt, ##arg)
-#define pr_crit(fmt, arg...) \
-        printk(KERN_CRIT fmt, ##arg)
-#define pr_err(fmt, arg...) \
-        printk(KERN_ERR fmt, ##arg)
-#define pr_warning(fmt, arg...) \
-        printk(KERN_WARNING fmt, ##arg)
-#define pr_notice(fmt, arg...) \
-        printk(KERN_NOTICE fmt, ##arg)
-#define pr_info(fmt, arg...) \
-        printk(KERN_INFO fmt, ##arg)
+#ifndef pr_fmt
+#define pr_fmt(fmt) fmt
+#endif
+
+#define pr_emerg(fmt, ...) \
+        printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_alert(fmt, ...) \
+        printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_crit(fmt, ...) \
+        printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_err(fmt, ...) \
+        printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warning(fmt, ...) \
+        printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_notice(fmt, ...) \
+        printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_info(fmt, ...) \
+        printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
 
 /* If you are writing a driver, please use dev_dbg instead */
 #if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
 #define pr_debug(fmt, ...) do { \
-        dynamic_pr_debug(fmt, ##__VA_ARGS__); \
+        dynamic_pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \
         } while (0)
 #elif defined(DEBUG)
-#define pr_debug(fmt, arg...) \
-        printk(KERN_DEBUG fmt, ##arg)
+#define pr_debug(fmt, ...) \
+        printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
 #else
-#define pr_debug(fmt, arg...) \
-        ({ if (0) printk(KERN_DEBUG fmt, ##arg); 0; })
+#define pr_debug(fmt, ...) \
+        ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; })
 #endif
 
 /*
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 331e5f1c2d8e..29aec6e10020 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -331,10 +331,11 @@ static inline void lockdep_on(void)
 # define lock_set_subclass(l, s, i)             do { } while (0)
 # define lockdep_init()                         do { } while (0)
 # define lockdep_info()                         do { } while (0)
-# define lockdep_init_map(lock, name, key, sub) do { (void)(key); } while (0)
+# define lockdep_init_map(lock, name, key, sub) \
+                do { (void)(name); (void)(key); } while (0)
 # define lockdep_set_class(lock, key)           do { (void)(key); } while (0)
 # define lockdep_set_class_and_name(lock, key, name) \
-                do { (void)(key); } while (0)
+                do { (void)(key); (void)(name); } while (0)
 #define lockdep_set_class_and_subclass(lock, key, sub) \
                 do { (void)(key); } while (0)
 #define lockdep_set_subclass(lock, sub)         do { } while (0)
diff --git a/include/linux/mfd/wm8350/rtc.h b/include/linux/mfd/wm8350/rtc.h
index dfda69e9f440..24add2bef6c9 100644
--- a/include/linux/mfd/wm8350/rtc.h
+++ b/include/linux/mfd/wm8350/rtc.h
@@ -261,6 +261,8 @@
 
 struct wm8350_rtc {
         struct platform_device *pdev;
+        struct rtc_device *rtc;
+        int alarm_enabled;      /* used over suspend/resume */
 };
 
 #endif
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
index 18a5b9ba9d40..00044b856453 100644
--- a/include/linux/ratelimit.h
+++ b/include/linux/ratelimit.h
@@ -17,11 +17,4 @@ struct ratelimit_state {
                 struct ratelimit_state name = {interval, burst,}
 
 extern int __ratelimit(struct ratelimit_state *rs);
-
-static inline int ratelimit(void)
-{
-        static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL,
-                                        DEFAULT_RATELIMIT_BURST);
-        return __ratelimit(&rs);
-}
 #endif
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index e27f216361fc..4e4f1277f3bf 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -155,6 +155,9 @@
 
 #define PORT_SC26XX     82
 
+/* SH-SCI */
+#define PORT_SCIFA      83
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>
diff --git a/include/linux/slab.h b/include/linux/slab.h
index ba965c84ae06..000da12b5cf0 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -23,6 +23,34 @@
 #define SLAB_CACHE_DMA          0x00004000UL    /* Use GFP_DMA memory */
 #define SLAB_STORE_USER         0x00010000UL    /* DEBUG: Store the last owner for bug hunting */
 #define SLAB_PANIC              0x00040000UL    /* Panic if kmem_cache_create() fails */
+/*
+ * SLAB_DESTROY_BY_RCU - **WARNING** READ THIS!
+ *
+ * This delays freeing the SLAB page by a grace period, it does _NOT_
+ * delay object freeing. This means that if you do kmem_cache_free()
+ * that memory location is free to be reused at any time. Thus it may
+ * be possible to see another object there in the same RCU grace period.
+ *
+ * This feature only ensures the memory location backing the object
+ * stays valid, the trick to using this is relying on an independent
+ * object validation pass. Something like:
+ *
+ *  rcu_read_lock()
+ * again:
+ *  obj = lockless_lookup(key);
+ *  if (obj) {
+ *    if (!try_get_ref(obj)) // might fail for free objects
+ *      goto again;
+ *
+ *    if (obj->key != key) { // not the object we expected
+ *      put_ref(obj);
+ *      goto again;
+ *    }
+ *  }
+ *  rcu_read_unlock();
+ *
+ * See also the comment on struct slab_rcu in mm/slab.c.
+ */
 #define SLAB_DESTROY_BY_RCU     0x00080000UL    /* Defer freeing slabs to RCU */
 #define SLAB_MEM_SPREAD         0x00100000UL    /* Spread some memory over cpuset */
 #define SLAB_TRACE              0x00200000UL    /* Trace allocations and frees */
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 8fa973bede5e..f72aa51f7bcd 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -108,6 +108,7 @@ enum usb_interface_condition {
  *      (in probe()), bound to a driver, or unbinding (in disconnect())
  * @is_active: flag set when the interface is bound and not suspended.
  * @sysfs_files_created: sysfs attributes exist
+ * @unregistering: flag set when the interface is being unregistered
  * @needs_remote_wakeup: flag set when the driver requires remote-wakeup
  *      capability during autosuspend.
  * @needs_altsetting0: flag set when a set-interface request for altsetting 0
@@ -163,6 +164,7 @@ struct usb_interface {
         enum usb_interface_condition condition;         /* state of binding */
         unsigned is_active:1;           /* the interface is not suspended */
         unsigned sysfs_files_created:1; /* the sysfs attributes exist */
+        unsigned unregistering:1;       /* unregistration is in progress */
         unsigned needs_remote_wakeup:1; /* driver requires remote wakeup */
         unsigned needs_altsetting0:1;   /* switch to altsetting 0 is pending */
         unsigned needs_binding:1;       /* needs delayed unbind/rebind */