9 files changed, 110 insertions, 63 deletions

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 656a27efb2c8..3ea2cf6b0e6c 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;
 
 /**
@@ -125,6 +128,13 @@ 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.
@@ -152,9 +162,9 @@ 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/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) */