Merge tag 'v3.5-rc6' into irqdomain/next

Linux 3.5-rc6

28 files changed, 119 insertions, 48 deletions

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 2314ad8b3c9c..b1a520ec8b59 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 ba43f408baa3..07954b05b86c 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 e5834aa24b9e..6a6d7aefe12d 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 a81671453575..2740d080ec6b 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 61f5cec031e0..a5261e3d2e3c 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 35f7237ec972..d6bd50110ec2 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 c4464356b35b..96c158a37d3e 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 dad95bdd06d7..704a626d94a0 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 5cdc96da9dd5..e78c0e236e9d 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/mmc/sdio.h b/include/linux/mmc/sdio.h
index c9fe66c58f8f..17446d3c3602 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -98,7 +98,9 @@
 
 #define SDIO_CCCR_IF            0x07    /* bus interface controls */
 
+#define  SDIO_BUS_WIDTH_MASK    0x03    /* data bus width setting */
 #define  SDIO_BUS_WIDTH_1BIT    0x00
+#define  SDIO_BUS_WIDTH_RESERVED 0x01
 #define  SDIO_BUS_WIDTH_4BIT    0x02
 #define  SDIO_BUS_ECSI          0x20    /* Enable continuous SPI interrupt */
 #define  SDIO_BUS_SCSI          0x40    /* Support continuous SPI interrupt */
diff --git a/include/linux/netfilter/xt_HMARK.h b/include/linux/netfilter/xt_HMARK.h
index abb1650940d2..826fc5807577 100644
--- a/include/linux/netfilter/xt_HMARK.h
+++ b/include/linux/netfilter/xt_HMARK.h
@@ -27,7 +27,12 @@ union hmark_ports {
                 __u16   src;
                 __u16   dst;
         } p16;
+        struct {
+                __be16  src;
+                __be16  dst;
+        } b16;
         __u32   v32;
+        __be32  b32;
 };
 
 struct xt_hmark_info {
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index fbb78fb09bd2..f58325a1d8fb 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/nfs_xdr.h b/include/linux/nfs_xdr.h
index d1a7bf51c326..8aadd90b808a 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -348,6 +348,7 @@ struct nfs_openargs {
         const struct qstr *     name;
         const struct nfs_server *server;         /* Needed for ID mapping */
         const u32 *             bitmask;
+        const u32 *             open_bitmap;
         __u32                   claim;
         struct nfs4_sequence_args       seq_args;
 };
@@ -1236,6 +1237,7 @@ struct nfs_pgio_header {
         struct list_head        rpc_list;
         atomic_t                refcnt;
         struct nfs_page         *req;
+        struct nfs_writeverf    *verf;
         struct pnfs_layout_segment *lseg;
         loff_t                  io_start;
         const struct rpc_call_ops *mds_ops;
@@ -1273,6 +1275,7 @@ struct nfs_write_data {
 struct nfs_write_header {
         struct nfs_pgio_header  header;
         struct nfs_write_data   rpc_data;
+        struct nfs_writeverf    verf;
 };
 
 struct nfs_mds_commit_info {
diff --git a/include/linux/pata_arasan_cf_data.h b/include/linux/pata_arasan_cf_data.h
index a6ee9aa898bb..a7b4fc386e63 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/pci.h b/include/linux/pci.h
index d8c379dba6ad..fefb4e19bf6a 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -176,6 +176,8 @@ 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/prctl.h b/include/linux/prctl.h
index 3988012255dc..289760f424aa 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 7ed7fd4dba49..3b823d49a85a 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 44835fb39793..f36632061c66 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/rcutiny.h b/include/linux/rcutiny.h
index adb5e5a38cae..854dc4c5c271 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -87,8 +87,9 @@ static inline void kfree_call_rcu(struct rcu_head *head,
 
 #ifdef CONFIG_TINY_RCU
 
-static inline int rcu_needs_cpu(int cpu)
+static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
 {
+        *delta_jiffies = ULONG_MAX;
         return 0;
 }
 
@@ -96,8 +97,9 @@ static inline int rcu_needs_cpu(int cpu)
 
 int rcu_preempt_needs_cpu(void);
 
-static inline int rcu_needs_cpu(int cpu)
+static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
 {
+        *delta_jiffies = ULONG_MAX;
         return rcu_preempt_needs_cpu();
 }
 
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 3c6083cde4fc..952b79339304 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -32,7 +32,7 @@
 
 extern void rcu_init(void);
 extern void rcu_note_context_switch(int cpu);
-extern int rcu_needs_cpu(int cpu);
+extern int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies);
 extern void rcu_cpu_stall_reset(void);
 
 /*
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index b534a1be540a..642cb7355df3 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 d3e1075f7b60..c73d1445c77e 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 26e5b613deda..09a545a7dfa3 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/swapops.h b/include/linux/swapops.h
index 792d16d9cbc7..47ead515c811 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -9,13 +9,15 @@
  * get good packing density in that tree, so the index should be dense in
  * the low-order bits.
  *
- * We arrange the `type' and `offset' fields so that `type' is at the five
+ * We arrange the `type' and `offset' fields so that `type' is at the seven
  * high-order bits of the swp_entry_t and `offset' is right-aligned in the
- * remaining bits.
+ * remaining bits.  Although `type' itself needs only five bits, we allow for
+ * shmem/tmpfs to shift it all up a further two bits: see swp_to_radix_entry().
  *
  * swp_entry_t's are *never* stored anywhere in their arch-dependent format.
  */
-#define SWP_TYPE_SHIFT(e)       (sizeof(e.val) * 8 - MAX_SWAPFILES_SHIFT)
+#define SWP_TYPE_SHIFT(e)       ((sizeof(e.val) * 8) - \
+                        (MAX_SWAPFILES_SHIFT + RADIX_TREE_EXCEPTIONAL_SHIFT))
 #define SWP_OFFSET_MASK(e)      ((1UL << SWP_TYPE_SHIFT(e)) - 1)
 
 /*
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 4c5b63283377..5f359dbfcdce 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -69,16 +69,16 @@ union tcp_word_hdr {
 #define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3]) 
 
 enum { 
-        TCP_FLAG_CWR = __cpu_to_be32(0x00800000),
-        TCP_FLAG_ECE = __cpu_to_be32(0x00400000),
-        TCP_FLAG_URG = __cpu_to_be32(0x00200000),
-        TCP_FLAG_ACK = __cpu_to_be32(0x00100000),
-        TCP_FLAG_PSH = __cpu_to_be32(0x00080000),
-        TCP_FLAG_RST = __cpu_to_be32(0x00040000),
-        TCP_FLAG_SYN = __cpu_to_be32(0x00020000),
-        TCP_FLAG_FIN = __cpu_to_be32(0x00010000),
-        TCP_RESERVED_BITS = __cpu_to_be32(0x0F000000),
-        TCP_DATA_OFFSET = __cpu_to_be32(0xF0000000)
+        TCP_FLAG_CWR = __constant_cpu_to_be32(0x00800000),
+        TCP_FLAG_ECE = __constant_cpu_to_be32(0x00400000),
+        TCP_FLAG_URG = __constant_cpu_to_be32(0x00200000),
+        TCP_FLAG_ACK = __constant_cpu_to_be32(0x00100000),
+        TCP_FLAG_PSH = __constant_cpu_to_be32(0x00080000),
+        TCP_FLAG_RST = __constant_cpu_to_be32(0x00040000),
+        TCP_FLAG_SYN = __constant_cpu_to_be32(0x00020000),
+        TCP_FLAG_FIN = __constant_cpu_to_be32(0x00010000),
+        TCP_RESERVED_BITS = __constant_cpu_to_be32(0x0F000000),
+        TCP_DATA_OFFSET = __constant_cpu_to_be32(0xF0000000)
 }; 
 
 /*
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 7f855d50cdf5..49b3ac29726a 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -126,8 +126,6 @@ struct usb_hcd {
         unsigned                wireless:1;     /* Wireless USB HCD */
         unsigned                authorized_default:1;
         unsigned                has_tt:1;       /* Integrated TT in root hub */
-        unsigned                broken_pci_sleep:1;     /* Don't put the
-                        controller in PCI-D3 for system sleep */
 
         unsigned int            irq;            /* irq allocated */
         void __iomem            *regs;          /* device memory/io */
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
index b455c7c212eb..ddb419cf4530 100644
--- a/include/linux/vga_switcheroo.h
+++ b/include/linux/vga_switcheroo.h
@@ -7,11 +7,19 @@
  * 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;
+
 enum vga_switcheroo_state {
         VGA_SWITCHEROO_OFF,
         VGA_SWITCHEROO_ON,
+        /* below are referred only from vga_switcheroo_get_client_state() */
+        VGA_SWITCHEROO_INIT,
+        VGA_SWITCHEROO_NOT_FOUND,
 };
 
 enum vga_switcheroo_client_id {
@@ -50,6 +58,8 @@ void vga_switcheroo_unregister_handler(void);
 
 int vga_switcheroo_process_delayed_switch(void);
 
+int vga_switcheroo_get_client_state(struct pci_dev *dev);
+
 #else
 
 static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {}
@@ -62,5 +72,8 @@ static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
         int id, bool active) { return 0; }
 static inline void vga_switcheroo_unregister_handler(void) {}
 static inline int vga_switcheroo_process_delayed_switch(void) { return 0; }
+static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; }
+
 
 #endif
+#endif /* _LINUX_VGA_SWITCHEROO_H_ */
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 370d11106c11..2039c5d3292e 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! */