Merge tag 'v3.5-rc7' into next/boards

Linux 3.5-rc7

Prerequisite for samsung/board3 branch.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

12 files changed, 49 insertions, 23 deletions

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 324fe08ea3b1..6d6795d46a75 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -91,6 +91,11 @@ extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
 				  unsigned long size,
 				  unsigned long align,
 				  unsigned long goal);
+void *___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
+				  unsigned long size,
+				  unsigned long align,
+				  unsigned long goal,
+				  unsigned long limit);
 extern void *__alloc_bootmem_low(unsigned long size,
 				 unsigned long align,
 				 unsigned long goal);
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index f07fc2d08159..2e31e8b3a190 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -22,8 +22,8 @@
 /* Gpio pin is open source */
 #define GPIOF_OPEN_SOURCE	(1 << 3)
 
-#define GPIOF_EXPORT		(1 << 2)
-#define GPIOF_EXPORT_CHANGEABLE	(1 << 3)
+#define GPIOF_EXPORT		(1 << 4)
+#define GPIOF_EXPORT_CHANGEABLE	(1 << 5)
 #define GPIOF_EXPORT_DIR_FIXED	(GPIOF_EXPORT)
 #define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE)
 
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index fd0dc30c9f15..cc07d2777bbe 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -165,6 +165,7 @@ enum  hrtimer_base_type {
  * @lock:		lock protecting the base and associated clock bases
  *			and timers
  * @active_bases:	Bitfield to mark bases with active timers
+ * @clock_was_set:	Indicates that clock was set from irq context.
  * @expires_next:	absolute time of the next event which was scheduled
  *			via clock_set_next_event()
  * @hres_active:	State of high resolution mode
@@ -177,7 +178,8 @@ enum  hrtimer_base_type {
  */
 struct hrtimer_cpu_base {
 	raw_spinlock_t			lock;
-	unsigned long			active_bases;
+	unsigned int			active_bases;
+	unsigned int			clock_was_set;
 #ifdef CONFIG_HIGH_RES_TIMERS
 	ktime_t				expires_next;
 	int				hres_active;
@@ -286,6 +288,8 @@ extern void hrtimer_peek_ahead_timers(void);
 # define MONOTONIC_RES_NSEC	HIGH_RES_NSEC
 # define KTIME_MONOTONIC_RES	KTIME_HIGH_RES
 
+extern void clock_was_set_delayed(void);
+
 #else
 
 # define MONOTONIC_RES_NSEC	LOW_RES_NSEC
@@ -306,6 +310,9 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 {
 	return 0;
 }
+
+static inline void clock_was_set_delayed(void) { }
+
 #endif
 
 extern void clock_was_set(void);
@@ -320,6 +327,7 @@ extern ktime_t ktime_get(void);
 extern ktime_t ktime_get_real(void);
 extern ktime_t ktime_get_boottime(void);
 extern ktime_t ktime_get_monotonic_offset(void);
+extern ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot);
 
 DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
 
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index a6bb10235148..19dc455b4f3d 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -50,9 +50,7 @@ phys_addr_t memblock_find_in_range_node(phys_addr_t start, phys_addr_t end,
 				phys_addr_t size, phys_addr_t align, int nid);
 phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
 				   phys_addr_t size, phys_addr_t align);
-int memblock_free_reserved_regions(void);
-int memblock_reserve_reserved_regions(void);
-
+phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
 void memblock_allow_resize(void);
 int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
 int memblock_add(phys_addr_t base, phys_addr_t size);
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 2427706f78b4..68c569fcbb66 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -694,7 +694,7 @@ typedef struct pglist_data {
 					     range, including holes */
 	int node_id;
 	wait_queue_head_t kswapd_wait;
-	struct task_struct *kswapd;
+	struct task_struct *kswapd;	/* Protected by lock_memory_hotplug() */
 	int kswapd_max_order;
 	enum zone_type classzone_idx;
 } pg_data_t;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index fefb4e19bf6a..d8c379dba6ad 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -176,8 +176,6 @@ enum pci_dev_flags {
 	PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
 	/* Provide indication device is assigned by a Virtual Machine Manager */
 	PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4,
-	/* Device causes system crash if in D3 during S3 sleep */
-	PCI_DEV_FLAGS_NO_D3_DURING_SLEEP = (__force pci_dev_flags_t) 8,
 };
 
 enum pci_irq_reroute_variant {
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 26d1a47591f1..9cac722b169c 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -184,7 +184,6 @@ static inline int rcu_preempt_depth(void)
 /* Internal to kernel */
 extern void rcu_sched_qs(int cpu);
 extern void rcu_bh_qs(int cpu);
-extern void rcu_preempt_note_context_switch(void);
 extern void rcu_check_callbacks(int cpu, int user);
 struct notifier_block;
 extern void rcu_idle_enter(void);
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 854dc4c5c271..4e56a9c69a35 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -87,6 +87,10 @@ static inline void kfree_call_rcu(struct rcu_head *head,
 
 #ifdef CONFIG_TINY_RCU
 
+static inline void rcu_preempt_note_context_switch(void)
+{
+}
+
 static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
 {
 	*delta_jiffies = ULONG_MAX;
@@ -95,6 +99,7 @@ static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
 
 #else /* #ifdef CONFIG_TINY_RCU */
 
+void rcu_preempt_note_context_switch(void);
 int rcu_preempt_needs_cpu(void);
 
 static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
@@ -108,6 +113,7 @@ static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
 static inline void rcu_note_context_switch(int cpu)
 {
 	rcu_sched_qs(cpu);
+	rcu_preempt_note_context_switch();
 }
 
 /*
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index a8e50e44203c..82a673905edb 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -38,6 +38,8 @@
 #include <linux/types.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+#include <linux/kref.h>
+#include <linux/mutex.h>
 
 /* The feature bitmap for virtio rpmsg */
 #define VIRTIO_RPMSG_F_NS	0 /* RP supports name service notifications */
@@ -120,7 +122,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32);
 /**
  * struct rpmsg_endpoint - binds a local rpmsg address to its user
  * @rpdev: rpmsg channel device
+ * @refcount: when this drops to zero, the ept is deallocated
  * @cb: rx callback handler
+ * @cb_lock: must be taken before accessing/changing @cb
  * @addr: local rpmsg address
  * @priv: private data for the driver's use
  *
@@ -140,7 +144,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32);
  */
 struct rpmsg_endpoint {
 	struct rpmsg_channel *rpdev;
+	struct kref refcount;
 	rpmsg_rx_cb_t cb;
+	struct mutex cb_lock;
 	u32 addr;
 	void *priv;
 };
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4059c0f33f07..4a1f493e0fef 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1871,22 +1871,12 @@ static inline void rcu_copy_process(struct task_struct *p)
 	INIT_LIST_HEAD(&p->rcu_node_entry);
 }
 
-static inline void rcu_switch_from(struct task_struct *prev)
-{
-	if (prev->rcu_read_lock_nesting != 0)
-		rcu_preempt_note_context_switch();
-}
-
 #else
 
 static inline void rcu_copy_process(struct task_struct *p)
 {
 }
 
-static inline void rcu_switch_from(struct task_struct *prev)
-{
-}
-
 #endif
 
 #ifdef CONFIG_SMP
@@ -1909,6 +1899,14 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p,
 }
 #endif
 
+#ifdef CONFIG_NO_HZ
+void calc_load_enter_idle(void);
+void calc_load_exit_idle(void);
+#else
+static inline void calc_load_enter_idle(void) { }
+static inline void calc_load_exit_idle(void) { }
+#endif /* CONFIG_NO_HZ */
+
 #ifndef CONFIG_CPUMASK_OFFSTACK
 static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
 {
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index f4f1c96dca72..10ce74f589c5 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -163,6 +163,8 @@ enum ata_command_set {
         ATAPI_COMMAND_SET = 1,
 };
 
+#define ATA_RESP_FIS_SIZE 24
+
 struct sata_device {
         enum   ata_command_set command_set;
         struct smp_resp        rps_resp; /* report_phy_sata_resp */
@@ -171,7 +173,7 @@ struct sata_device {
 
 	struct ata_port *ap;
 	struct ata_host ata_host;
-	struct ata_taskfile tf;
+	u8     fis[ATA_RESP_FIS_SIZE];
 };
 
 enum {
@@ -537,7 +539,7 @@ enum exec_status {
  */
 struct ata_task_resp {
 	u16  frame_len;
-	u8   ending_fis[24];	  /* dev to host or data-in */
+	u8   ending_fis[ATA_RESP_FIS_SIZE];	  /* dev to host or data-in */
 };
 
 #define SAS_STATUS_BUF_SIZE 96
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 1e1198546c72..ac06cc595890 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -134,10 +134,16 @@ struct scsi_cmnd {
 
 static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
 {
+	struct scsi_driver **sdp;
+
 	if (!cmd->request->rq_disk)
 		return NULL;
 
-	return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
+	sdp = (struct scsi_driver **)cmd->request->rq_disk->private_data;
+	if (!sdp)
+		return NULL;
+
+	return *sdp;
 }
 
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);