Merge branch 'common/pinctrl' into sh-latest

21 files changed, 92 insertions, 35 deletions

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 2314ad8b3c9..b1a520ec8b5 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -140,6 +140,7 @@ struct kiocb {
 		(x)->ki_dtor = NULL;			\
 		(x)->ki_obj.tsk = tsk;			\
 		(x)->ki_user_data = 0;                  \
+		(x)->private = NULL;			\
 	} while (0)
 
 #define AIO_RING_MAGIC			0xa10a10a1
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ba43f408baa..07954b05b86 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -827,7 +827,6 @@ extern bool __blk_end_request_err(struct request *rq, int error);
 extern void blk_complete_request(struct request *);
 extern void __blk_complete_request(struct request *);
 extern void blk_abort_request(struct request *);
-extern void blk_abort_queue(struct request_queue *);
 extern void blk_unprep_request(struct request *);
 
 /*
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index e5834aa24b9..6a6d7aefe12 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -47,9 +47,9 @@
  */
 #if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \
     !defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4)
-# define inline		inline		__attribute__((always_inline))
-# define __inline__	__inline__	__attribute__((always_inline))
-# define __inline	__inline	__attribute__((always_inline))
+# define inline		inline		__attribute__((always_inline)) notrace
+# define __inline__	__inline__	__attribute__((always_inline)) notrace
+# define __inline	__inline	__attribute__((always_inline)) notrace
 #else
 /* A lot of inline functions can cause havoc with function tracing */
 # define inline		inline		notrace
diff --git a/include/linux/input.h b/include/linux/input.h
index a8167145357..2740d080ec6 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -116,6 +116,7 @@ struct input_keymap_entry {
 
 /**
  * EVIOCGMTSLOTS(len) - get MT slot values
+ * @len: size of the data buffer in bytes
  *
  * The ioctl buffer argument should be binary equivalent to
  *
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 61f5cec031e..a5261e3d2e3 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -301,8 +301,6 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
  * @irq_pm_shutdown:	function called from core code on shutdown once per chip
  * @irq_print_chip:	optional to print special chip info in show_interrupts
  * @flags:		chip specific flags
- *
- * @release:		release function solely used by UML
  */
 struct irq_chip {
 	const char	*name;
diff --git a/include/linux/kmsg_dump.h b/include/linux/kmsg_dump.h
index 35f7237ec97..d6bd50110ec 100644
--- a/include/linux/kmsg_dump.h
+++ b/include/linux/kmsg_dump.h
@@ -21,6 +21,7 @@
  * is passed to the kernel.
  */
 enum kmsg_dump_reason {
+	KMSG_DUMP_UNDEF,
 	KMSG_DUMP_PANIC,
 	KMSG_DUMP_OOPS,
 	KMSG_DUMP_EMERG,
@@ -31,23 +32,37 @@ enum kmsg_dump_reason {
 
 /**
  * struct kmsg_dumper - kernel crash message dumper structure
- * @dump:	The callback which gets called on crashes. The buffer is passed
- * 		as two sections, where s1 (length l1) contains the older
- * 		messages and s2 (length l2) contains the newer.
  * @list:	Entry in the dumper list (private)
+ * @dump:	Call into dumping code which will retrieve the data with
+ * 		through the record iterator
+ * @max_reason:	filter for highest reason number that should be dumped
  * @registered:	Flag that specifies if this is already registered
  */
 struct kmsg_dumper {
-	void (*dump)(struct kmsg_dumper *dumper, enum kmsg_dump_reason reason,
-			const char *s1, unsigned long l1,
-			const char *s2, unsigned long l2);
 	struct list_head list;
-	int registered;
+	void (*dump)(struct kmsg_dumper *dumper, enum kmsg_dump_reason reason);
+	enum kmsg_dump_reason max_reason;
+	bool active;
+	bool registered;
+
+	/* private state of the kmsg iterator */
+	u32 cur_idx;
+	u32 next_idx;
+	u64 cur_seq;
+	u64 next_seq;
 };
 
 #ifdef CONFIG_PRINTK
 void kmsg_dump(enum kmsg_dump_reason reason);
 
+bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,
+			char *line, size_t size, size_t *len);
+
+bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,
+			  char *buf, size_t size, size_t *len);
+
+void kmsg_dump_rewind(struct kmsg_dumper *dumper);
+
 int kmsg_dump_register(struct kmsg_dumper *dumper);
 
 int kmsg_dump_unregister(struct kmsg_dumper *dumper);
@@ -56,6 +71,22 @@ static inline void kmsg_dump(enum kmsg_dump_reason reason)
 {
 }
 
+static inline bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,
+				const char *line, size_t size, size_t *len)
+{
+	return false;
+}
+
+static inline bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,
+					char *buf, size_t size, size_t *len)
+{
+	return false;
+}
+
+static inline void kmsg_dump_rewind(struct kmsg_dumper *dumper)
+{
+}
+
 static inline int kmsg_dump_register(struct kmsg_dumper *dumper)
 {
 	return -EINVAL;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index c4464356b35..96c158a37d3 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -815,7 +815,7 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {}
 #ifdef CONFIG_HAVE_KVM_EVENTFD
 
 void kvm_eventfd_init(struct kvm *kvm);
-int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags);
+int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args);
 void kvm_irqfd_release(struct kvm *kvm);
 void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *);
 int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
@@ -824,7 +824,7 @@ int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
 
 static inline void kvm_eventfd_init(struct kvm *kvm) {}
 
-static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags)
+static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)
 {
 	return -EINVAL;
 }
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index dad95bdd06d..704a626d94a 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -57,8 +57,18 @@ struct page {
 		};
 
 		union {
+#if defined(CONFIG_HAVE_CMPXCHG_DOUBLE) && \
+	defined(CONFIG_HAVE_ALIGNED_STRUCT_PAGE)
 			/* Used for cmpxchg_double in slub */
 			unsigned long counters;
+#else
+			/*
+			 * Keep _count separate from slub cmpxchg_double data.
+			 * As the rest of the double word is protected by
+			 * slab_lock but _count is not.
+			 */
+			unsigned counters;
+#endif
 
 			struct {
 
diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h
index 5cdc96da9dd..e78c0e236e9 100644
--- a/include/linux/mmc/sdhci-spear.h
+++ b/include/linux/mmc/sdhci-spear.h
@@ -4,7 +4,7 @@
  * SDHCI declarations specific to ST SPEAr platform
  *
  * Copyright (C) 2010 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index fbb78fb09bd..f58325a1d8f 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -25,6 +25,7 @@ struct nfs41_impl_id;
  */
 struct nfs_client {
 	atomic_t		cl_count;
+	atomic_t		cl_mds_count;
 	int			cl_cons_state;	/* current construction state (-ve: init error) */
 #define NFS_CS_READY		0		/* ready to be used */
 #define NFS_CS_INITING		1		/* busy initialising */
diff --git a/include/linux/pata_arasan_cf_data.h b/include/linux/pata_arasan_cf_data.h
index a6ee9aa898b..a7b4fc386e6 100644
--- a/include/linux/pata_arasan_cf_data.h
+++ b/include/linux/pata_arasan_cf_data.h
@@ -4,7 +4,7 @@
  * Arasan Compact Flash host controller platform data header file
  *
  * Copyright (C) 2011 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
diff --git a/include/linux/prctl.h b/include/linux/prctl.h
index 3988012255d..289760f424a 100644
--- a/include/linux/prctl.h
+++ b/include/linux/prctl.h
@@ -141,6 +141,8 @@
  * Changing LSM security domain is considered a new privilege.  So, for example,
  * asking selinux for a specific new context (e.g. with runcon) will result
  * in execve returning -EPERM.
+ *
+ * See Documentation/prctl/no_new_privs.txt for more details.
  */
 #define PR_SET_NO_NEW_PRIVS	38
 #define PR_GET_NO_NEW_PRIVS	39
diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
index 7ed7fd4dba4..3b823d49a85 100644
--- a/include/linux/pstore_ram.h
+++ b/include/linux/pstore_ram.h
@@ -69,12 +69,14 @@ struct persistent_ram_zone * __init persistent_ram_new(phys_addr_t start,
 						       size_t size,
 						       bool ecc);
 void persistent_ram_free(struct persistent_ram_zone *prz);
+void persistent_ram_zap(struct persistent_ram_zone *prz);
 struct persistent_ram_zone *persistent_ram_init_ringbuffer(struct device *dev,
 		bool ecc);
 
 int persistent_ram_write(struct persistent_ram_zone *prz, const void *s,
 	unsigned int count);
 
+void persistent_ram_save_old(struct persistent_ram_zone *prz);
 size_t persistent_ram_old_size(struct persistent_ram_zone *prz);
 void *persistent_ram_old(struct persistent_ram_zone *prz);
 void persistent_ram_free_old(struct persistent_ram_zone *prz);
diff --git a/include/linux/pxa2xx_ssp.h b/include/linux/pxa2xx_ssp.h
index 44835fb3979..f36632061c6 100644
--- a/include/linux/pxa2xx_ssp.h
+++ b/include/linux/pxa2xx_ssp.h
@@ -160,7 +160,9 @@ enum pxa_ssp_type {
 	PXA25x_SSP,  /* pxa 210, 250, 255, 26x */
 	PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */
 	PXA27x_SSP,
+	PXA3xx_SSP,
 	PXA168_SSP,
+	PXA910_SSP,
 	CE4100_SSP,
 };
 
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index a8e50e44203..82a673905ed 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/sh_pfc.h b/include/linux/sh_pfc.h
index ed1d8234f6a..c19a0925829 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -11,6 +11,7 @@
 #ifndef __SH_PFC_H
 #define __SH_PFC_H
 
+#include <linux/stringify.h>
 #include <asm-generic/gpio.h>
 
 typedef unsigned short pinmux_enum_t;
@@ -37,10 +38,11 @@ enum {
 struct pinmux_gpio {
 	pinmux_enum_t enum_id;
 	pinmux_flag_t flags;
+	const char *name;
 };
 
 #define PINMUX_GPIO(gpio, data_or_mark) \
-	[gpio] = { .enum_id = data_or_mark, .flags = PINMUX_TYPE_NONE }
+	[gpio] = { .name = __stringify(gpio), .enum_id = data_or_mark, .flags = PINMUX_TYPE_NONE }
 
 #define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
 
@@ -127,10 +129,13 @@ struct sh_pfc {
 /* XXX compat for now */
 #define pinmux_info sh_pfc
 
-/* drivers/sh/pfc-gpio.c */
+/* drivers/sh/pfc/gpio.c */
 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
 
-/* drivers/sh/pfc.c */
+/* drivers/sh/pfc/pinctrl.c */
+int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
+
+/* drivers/sh/pfc/core.c */
 int register_sh_pfc(struct sh_pfc *pfc);
 
 int sh_pfc_read_bit(struct pinmux_data_reg *dr, unsigned long in_pos);
@@ -142,8 +147,6 @@ int sh_pfc_gpio_to_enum(struct sh_pfc *pfc, unsigned gpio, int pos,
 			pinmux_enum_t *enum_idp);
 int sh_pfc_config_gpio(struct sh_pfc *pfc, unsigned gpio, int pinmux_type,
 		       int cfg_mode);
-int sh_pfc_set_direction(struct sh_pfc *pfc, unsigned gpio,
-			 int new_pinmux_type);
 
 /* xxx */
 static inline int register_pinmux(struct pinmux_info *pip)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index b534a1be540..642cb7355df 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -225,14 +225,11 @@ enum {
 	/* device driver is going to provide hardware time stamp */
 	SKBTX_IN_PROGRESS = 1 << 2,
 
-	/* ensure the originating sk reference is available on driver level */
-	SKBTX_DRV_NEEDS_SK_REF = 1 << 3,
-
 	/* device driver supports TX zero-copy buffers */
-	SKBTX_DEV_ZEROCOPY = 1 << 4,
+	SKBTX_DEV_ZEROCOPY = 1 << 3,
 
 	/* generate wifi status information (where possible) */
-	SKBTX_WIFI_STATUS = 1 << 5,
+	SKBTX_WIFI_STATUS = 1 << 4,
 };
 
 /*
diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h
index d3e1075f7b6..c73d1445c77 100644
--- a/include/linux/spi/pxa2xx_spi.h
+++ b/include/linux/spi/pxa2xx_spi.h
@@ -43,7 +43,7 @@ struct pxa2xx_spi_chip {
 	void (*cs_control)(u32 command);
 };
 
-#ifdef CONFIG_ARCH_PXA
+#if defined(CONFIG_ARCH_PXA) || defined(CONFIG_ARCH_MMP)
 
 #include <linux/clk.h>
 #include <mach/dma.h>
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 26e5b613ded..09a545a7dfa 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -51,7 +51,8 @@ struct partial_page {
 struct splice_pipe_desc {
 	struct page **pages;		/* page map */
 	struct partial_page *partial;	/* pages[] may not be contig */
-	int nr_pages;			/* number of pages in map */
+	int nr_pages;			/* number of populated pages in map */
+	unsigned int nr_pages_max;	/* pages[] & partial[] arrays size */
 	unsigned int flags;		/* splice flags */
 	const struct pipe_buf_operations *ops;/* ops associated with output pipe */
 	void (*spd_release)(struct splice_pipe_desc *, unsigned int);
@@ -85,9 +86,8 @@ extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
 /*
  * for dynamic pipe sizing
  */
-extern int splice_grow_spd(struct pipe_inode_info *, struct splice_pipe_desc *);
-extern void splice_shrink_spd(struct pipe_inode_info *,
-				struct splice_pipe_desc *);
+extern int splice_grow_spd(const struct pipe_inode_info *, struct splice_pipe_desc *);
+extern void splice_shrink_spd(struct splice_pipe_desc *);
 extern void spd_release_page(struct splice_pipe_desc *, unsigned int);
 
 extern const struct pipe_buf_operations page_cache_pipe_buf_ops;
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
index d844b7790ea..ddb419cf453 100644
--- a/include/linux/vga_switcheroo.h
+++ b/include/linux/vga_switcheroo.h
@@ -7,6 +7,9 @@
  * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs
  */
 
+#ifndef _LINUX_VGA_SWITCHEROO_H_
+#define _LINUX_VGA_SWITCHEROO_H_
+
 #include <linux/fb.h>
 
 struct pci_dev;
@@ -73,3 +76,4 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return
 
 
 #endif
+#endif /* _LINUX_VGA_SWITCHEROO_H_ */
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 370d11106c1..2039c5d3292 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -2640,9 +2640,9 @@ struct v4l2_create_buffers {
 
 /* Experimental, these three ioctls may change over the next couple of kernel
    versions. */
-#define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 96, struct v4l2_enum_dv_timings)
-#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 97, struct v4l2_dv_timings)
-#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 98, struct v4l2_dv_timings_cap)
+#define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
+#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
+#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
 
 /* Reminder: when adding new ioctls please add support for them to
    drivers/media/video/v4l2-compat-ioctl32.c as well! */