Merge tag 'v3.13-rc3' into devel

Linux 3.13-rc3

13 files changed, 122 insertions, 91 deletions

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index dc196bbcf227..ee5fe9d77ae8 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -280,6 +280,14 @@ cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy)
 			policy->cpuinfo.max_freq);
 }
 
+#ifdef CONFIG_CPU_FREQ
+void cpufreq_suspend(void);
+void cpufreq_resume(void);
+#else
+static inline void cpufreq_suspend(void) {}
+static inline void cpufreq_resume(void) {}
+#endif
+
 /*********************************************************************
  *                     CPUFREQ NOTIFIER INTERFACE                    *
  *********************************************************************/
diff --git a/include/linux/efi.h b/include/linux/efi.h
index bc5687d0f315..11ce6784a196 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -801,6 +801,8 @@ struct efivar_entry {
 	struct efi_variable var;
 	struct list_head list;
 	struct kobject kobj;
+	bool scanning;
+	bool deleting;
 };
 
 
@@ -866,6 +868,8 @@ void efivar_run_worker(void);
 #if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE)
 int efivars_sysfs_init(void);
 
+#define EFIVARS_DATA_SIZE_MAX 1024
+
 #endif /* CONFIG_EFI_VARS */
 
 #endif /* _LINUX_EFI_H */
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 9abbe630c456..8c9b7a1c4138 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -248,6 +248,9 @@ struct ftrace_event_call {
 #ifdef CONFIG_PERF_EVENTS
 	int				perf_refcount;
 	struct hlist_head __percpu	*perf_events;
+
+	int	(*perf_perm)(struct ftrace_event_call *,
+			     struct perf_event *);
 #endif
 };
 
@@ -317,6 +320,19 @@ struct ftrace_event_file {
 	}								\
 	early_initcall(trace_init_flags_##name);
 
+#define __TRACE_EVENT_PERF_PERM(name, expr...)				\
+	static int perf_perm_##name(struct ftrace_event_call *tp_event, \
+				    struct perf_event *p_event)		\
+	{								\
+		return ({ expr; });					\
+	}								\
+	static int __init trace_init_perf_perm_##name(void)		\
+	{								\
+		event_##name.perf_perm = &perf_perm_##name;		\
+		return 0;						\
+	}								\
+	early_initcall(trace_init_perf_perm_##name);
+
 #define PERF_MAX_TRACE_SIZE	2048
 
 #define MAX_FILTER_STR_VAL	256	/* Should handle KSYM_SYMBOL_LEN */
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 804ec45365b7..c849676c6787 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -2,9 +2,12 @@
 #define __LINUX_GPIO_DRIVER_H
 
 #include <linux/types.h>
+#include <linux/module.h>
 
 struct device;
 struct gpio_desc;
+struct of_phandle_args;
+struct device_node;
 struct seq_file;
 
 /**
@@ -126,6 +129,13 @@ extern struct gpio_chip *gpiochip_find(void *data,
 int gpiod_lock_as_irq(struct gpio_desc *desc);
 void gpiod_unlock_as_irq(struct gpio_desc *desc);
 
+enum gpio_lookup_flags {
+	GPIO_ACTIVE_HIGH = (0 << 0),
+	GPIO_ACTIVE_LOW = (1 << 0),
+	GPIO_OPEN_DRAIN = (1 << 1),
+	GPIO_OPEN_SOURCE = (1 << 2),
+};
+
 /**
  * Lookup table for associating GPIOs to specific devices and functions using
  * platform data.
@@ -153,9 +163,9 @@ struct gpiod_lookup {
 	 */
 	unsigned int idx;
 	/*
-	 * mask of GPIOF_* values
+	 * mask of GPIO_* values
 	 */
-	unsigned long flags;
+	enum gpio_lookup_flags flags;
 };
 
 /*
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h
index a265af294ea4..206a2af6b62b 100644
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@ -21,6 +21,8 @@
 
 #include <linux/hid.h>
 #include <linux/hid-sensor-ids.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/trigger.h>
 
 /**
  * struct hid_sensor_hub_attribute_info - Attribute info
@@ -184,6 +186,7 @@ struct hid_sensor_common {
 	struct platform_device *pdev;
 	unsigned usage_id;
 	bool data_ready;
+	struct iio_trigger *trigger;
 	struct hid_sensor_hub_attribute_info poll;
 	struct hid_sensor_hub_attribute_info report_state;
 	struct hid_sensor_hub_attribute_info power_state;
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index 714ba08dc092..e374e369fb2f 100644
--- a/include/linux/irqreturn.h
+++ b/include/linux/irqreturn.h
@@ -14,6 +14,6 @@ enum irqreturn {
 };
 
 typedef enum irqreturn irqreturn_t;
-#define IRQ_RETVAL(x)	((x) != IRQ_NONE)
+#define IRQ_RETVAL(x)	((x) ? IRQ_HANDLED : IRQ_NONE)
 
 #endif
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index c1637062c1ce..12c2cb947df5 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -413,16 +413,6 @@ enum lock_type4 {
 #define NFS4_VERSION 4
 #define NFS4_MINOR_VERSION 0
 
-#if defined(CONFIG_NFS_V4_2)
-#define NFS4_MAX_MINOR_VERSION 2
-#else
-#if defined(CONFIG_NFS_V4_1)
-#define NFS4_MAX_MINOR_VERSION 1
-#else
-#define NFS4_MAX_MINOR_VERSION 0
-#endif /* CONFIG_NFS_V4_1 */
-#endif /* CONFIG_NFS_V4_2 */
-
 #define NFS4_DEBUG 1
 
 /* Index of predefined Linux client operations */
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 14a48207a304..48997374eaf0 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -507,24 +507,6 @@ extern int nfs_mountpoint_expiry_timeout;
 extern void nfs_release_automount_timer(void);
 
 /*
- * linux/fs/nfs/nfs4proc.c
- */
-#ifdef CONFIG_NFS_V4_SECURITY_LABEL
-extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags);
-static inline void nfs4_label_free(struct nfs4_label *label)
-{
-	if (label) {
-		kfree(label->label);
-		kfree(label);
-	}
-	return;
-}
-#else
-static inline struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags) { return NULL; }
-static inline void nfs4_label_free(void *label) {}
-#endif
-
-/*
  * linux/fs/nfs/unlink.c
  */
 extern void nfs_complete_unlink(struct dentry *dentry, struct inode *);
diff --git a/include/linux/padata.h b/include/linux/padata.h
index 86292beebfe2..438694650471 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -129,10 +129,9 @@ struct parallel_data {
 	struct padata_serial_queue	__percpu *squeue;
 	atomic_t			reorder_objects;
 	atomic_t			refcnt;
+	atomic_t			seq_nr;
 	struct padata_cpumask		cpumask;
 	spinlock_t                      lock ____cacheline_aligned;
-	spinlock_t                      seq_lock;
-	unsigned int			seq_nr;
 	unsigned int			processed;
 	struct timer_list		timer;
 };
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7e35d4b9e14a..768b037dfacb 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -831,8 +831,6 @@ struct sched_domain {
 	unsigned int balance_interval;	/* initialise to 1. units in ms. */
 	unsigned int nr_balance_failed; /* initialise to 0 */
 
-	u64 last_update;
-
 	/* idle_balance() stats */
 	u64 max_newidle_lb_cost;
 	unsigned long next_decay_max_lb_cost;
diff --git a/include/linux/slab.h b/include/linux/slab.h
index c2bba248fa63..1e2f4fe12773 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -388,10 +388,55 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
 /**
  * kmalloc - allocate memory
  * @size: how many bytes of memory are required.
- * @flags: the type of memory to allocate (see kcalloc).
+ * @flags: the type of memory to allocate.
  *
  * kmalloc is the normal method of allocating memory
  * for objects smaller than page size in the kernel.
+ *
+ * The @flags argument may be one of:
+ *
+ * %GFP_USER - Allocate memory on behalf of user.  May sleep.
+ *
+ * %GFP_KERNEL - Allocate normal kernel ram.  May sleep.
+ *
+ * %GFP_ATOMIC - Allocation will not sleep.  May use emergency pools.
+ *   For example, use this inside interrupt handlers.
+ *
+ * %GFP_HIGHUSER - Allocate pages from high memory.
+ *
+ * %GFP_NOIO - Do not do any I/O at all while trying to get memory.
+ *
+ * %GFP_NOFS - Do not make any fs calls while trying to get memory.
+ *
+ * %GFP_NOWAIT - Allocation will not sleep.
+ *
+ * %GFP_THISNODE - Allocate node-local memory only.
+ *
+ * %GFP_DMA - Allocation suitable for DMA.
+ *   Should only be used for kmalloc() caches. Otherwise, use a
+ *   slab created with SLAB_DMA.
+ *
+ * Also it is possible to set different flags by OR'ing
+ * in one or more of the following additional @flags:
+ *
+ * %__GFP_COLD - Request cache-cold pages instead of
+ *   trying to return cache-warm pages.
+ *
+ * %__GFP_HIGH - This allocation has high priority and may use emergency pools.
+ *
+ * %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail
+ *   (think twice before using).
+ *
+ * %__GFP_NORETRY - If memory is not immediately available,
+ *   then give up at once.
+ *
+ * %__GFP_NOWARN - If allocation fails, don't issue any warnings.
+ *
+ * %__GFP_REPEAT - If allocation fails initially, try once more before failing.
+ *
+ * There are other flags available as well, but these are not intended
+ * for general use, and so are not documented here. For a full list of
+ * potential flags, always refer to linux/gfp.h.
  */
 static __always_inline void *kmalloc(size_t size, gfp_t flags)
 {
@@ -502,61 +547,6 @@ int cache_show(struct kmem_cache *s, struct seq_file *m);
 void print_slabinfo_header(struct seq_file *m);
 
 /**
- * kmalloc - allocate memory
- * @size: how many bytes of memory are required.
- * @flags: the type of memory to allocate.
- *
- * The @flags argument may be one of:
- *
- * %GFP_USER - Allocate memory on behalf of user.  May sleep.
- *
- * %GFP_KERNEL - Allocate normal kernel ram.  May sleep.
- *
- * %GFP_ATOMIC - Allocation will not sleep.  May use emergency pools.
- *   For example, use this inside interrupt handlers.
- *
- * %GFP_HIGHUSER - Allocate pages from high memory.
- *
- * %GFP_NOIO - Do not do any I/O at all while trying to get memory.
- *
- * %GFP_NOFS - Do not make any fs calls while trying to get memory.
- *
- * %GFP_NOWAIT - Allocation will not sleep.
- *
- * %GFP_THISNODE - Allocate node-local memory only.
- *
- * %GFP_DMA - Allocation suitable for DMA.
- *   Should only be used for kmalloc() caches. Otherwise, use a
- *   slab created with SLAB_DMA.
- *
- * Also it is possible to set different flags by OR'ing
- * in one or more of the following additional @flags:
- *
- * %__GFP_COLD - Request cache-cold pages instead of
- *   trying to return cache-warm pages.
- *
- * %__GFP_HIGH - This allocation has high priority and may use emergency pools.
- *
- * %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail
- *   (think twice before using).
- *
- * %__GFP_NORETRY - If memory is not immediately available,
- *   then give up at once.
- *
- * %__GFP_NOWARN - If allocation fails, don't issue any warnings.
- *
- * %__GFP_REPEAT - If allocation fails initially, try once more before failing.
- *
- * There are other flags available as well, but these are not intended
- * for general use, and so are not documented here. For a full list of
- * potential flags, always refer to linux/gfp.h.
- *
- * kmalloc is the normal method of allocating memory
- * in the kernel.
- */
-static __always_inline void *kmalloc(size_t size, gfp_t flags);
-
-/**
  * kmalloc_array - allocate memory for an array.
  * @n: number of elements.
  * @size: element size.
diff --git a/include/linux/tegra-powergate.h b/include/linux/tegra-powergate.h
index c98cfa406952..fd4498329c7c 100644
--- a/include/linux/tegra-powergate.h
+++ b/include/linux/tegra-powergate.h
@@ -45,6 +45,7 @@ struct clk;
 
 #define TEGRA_POWERGATE_3D0	TEGRA_POWERGATE_3D
 
+#ifdef CONFIG_ARCH_TEGRA
 int tegra_powergate_is_powered(int id);
 int tegra_powergate_power_on(int id);
 int tegra_powergate_power_off(int id);
@@ -52,5 +53,31 @@ int tegra_powergate_remove_clamping(int id);
 
 /* Must be called with clk disabled, and returns with clk enabled */
 int tegra_powergate_sequence_power_up(int id, struct clk *clk);
+#else
+static inline int tegra_powergate_is_powered(int id)
+{
+	return -ENOSYS;
+}
+
+static inline int tegra_powergate_power_on(int id)
+{
+	return -ENOSYS;
+}
+
+static inline int tegra_powergate_power_off(int id)
+{
+	return -ENOSYS;
+}
+
+static inline int tegra_powergate_remove_clamping(int id)
+{
+	return -ENOSYS;
+}
+
+static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk)
+{
+	return -ENOSYS;
+}
+#endif
 
 #endif /* _MACH_TEGRA_POWERGATE_H_ */
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index ebeab360d851..f16dc0a40049 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -267,6 +267,8 @@ static inline void tracepoint_synchronize_unregister(void)
 
 #define TRACE_EVENT_FLAGS(event, flag)
 
+#define TRACE_EVENT_PERF_PERM(event, expr...)
+
 #endif /* DECLARE_TRACE */
 
 #ifndef TRACE_EVENT
@@ -399,4 +401,6 @@ static inline void tracepoint_synchronize_unregister(void)
 
 #define TRACE_EVENT_FLAGS(event, flag)
 
+#define TRACE_EVENT_PERF_PERM(event, expr...)
+
 #endif /* ifdef TRACE_EVENT (see note above) */