12 files changed, 283 insertions, 25 deletions

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 0f5f57858a23..8c4f884db6b4 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -36,18 +36,18 @@ struct backlight_device;
 struct fb_info;
 
 struct backlight_ops {
-        unsigned int options;
+        const unsigned int options;
 
 #define BL_CORE_SUSPENDRESUME   (1 << 0)
 
         /* Notify the backlight driver some property has changed */
-        int (*update_status)(struct backlight_device *);
+        int (* const update_status)(struct backlight_device *);
         /* Return the current backlight brightness (accounting for power,
            fb_blank etc.) */
-        int (*get_brightness)(struct backlight_device *);
+        int (* const get_brightness)(struct backlight_device *);
         /* Check if given framebuffer device is the one bound to this backlight;
            return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
-        int (*check_fb)(struct fb_info *);
+        int (* const check_fb)(struct fb_info *);
 };
 
 /* This structure defines all the properties of a backlight */
@@ -86,7 +86,7 @@ struct backlight_device {
            registered this device has been unloaded, and if class_get_devdata()
            points to something in the body of that driver, it is also invalid. */
         struct mutex ops_lock;
-        struct backlight_ops *ops;
+        const struct backlight_ops *ops;
 
         /* The framebuffer notifier block */
         struct notifier_block fb_notif;
@@ -103,7 +103,7 @@ static inline void backlight_update_status(struct backlight_device *bd)
 }
 
 extern struct backlight_device *backlight_device_register(const char *name,
-        struct device *dev, void *devdata, struct backlight_ops *ops);
+        struct device *dev, void *devdata, const struct backlight_ops *ops);
 extern void backlight_device_unregister(struct backlight_device *bd);
 extern void backlight_force_update(struct backlight_device *bd,
                                    enum backlight_update_reason reason);
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index aece486ac734..cd4349bdc34e 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -68,6 +68,14 @@ struct linux_binprm{
 
 #define BINPRM_MAX_RECURSION 4
 
+/* Function parameter for binfmt->coredump */
+struct coredump_params {
+        long signr;
+        struct pt_regs *regs;
+        struct file *file;
+        unsigned long limit;
+};
+
 /*
  * This structure defines the functions that are used to load the binary formats that
  * linux accepts.
@@ -77,7 +85,7 @@ struct linux_binfmt {
         struct module *module;
         int (*load_binary)(struct linux_binprm *, struct  pt_regs * regs);
         int (*load_shlib)(struct file *);
-        int (*core_dump)(long signr, struct pt_regs *regs, struct file *file, unsigned long limit);
+        int (*core_dump)(struct coredump_params *cprm);
         unsigned long min_coredump;     /* minimal dump size */
         int hasvdso;
 };
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 5ed8b9c50355..abec69b63d7e 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -111,12 +111,6 @@ extern struct cred init_cred;
 # define INIT_PERF_EVENTS(tsk)
 #endif
 
-#ifdef CONFIG_FS_JOURNAL_INFO
-#define INIT_JOURNAL_INFO       .journal_info = NULL,
-#else
-#define INIT_JOURNAL_INFO
-#endif
-
 /*
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -168,6 +162,7 @@ extern struct cred init_cred;
                 .signal = {{0}}},                                       \
         .blocked        = {{0}},                                        \
         .alloc_lock     = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock),         \
+        .journal_info   = NULL,                                         \
         .cpu_timers     = INIT_CPU_TIMERS(tsk.cpu_timers),              \
         .fs_excl        = ATOMIC_INIT(0),                               \
         .pi_lock        = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock),        \
@@ -178,7 +173,6 @@ extern struct cred init_cred;
                 [PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),            \
         },                                                              \
         .dirties = INIT_PROP_LOCAL_SINGLE(dirties),                     \
-        INIT_JOURNAL_INFO                                               \
         INIT_IDS                                                        \
         INIT_PERF_EVENTS(tsk)                                           \
         INIT_TRACE_IRQFLAGS                                             \
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h
index 3c7497d46ee9..99d9a6766f7e 100644
--- a/include/linux/kmemleak.h
+++ b/include/linux/kmemleak.h
@@ -32,8 +32,7 @@ extern void kmemleak_padding(const void *ptr, unsigned long offset,
                              size_t size) __ref;
 extern void kmemleak_not_leak(const void *ptr) __ref;
 extern void kmemleak_ignore(const void *ptr) __ref;
-extern void kmemleak_scan_area(const void *ptr, unsigned long offset,
-                               size_t length, gfp_t gfp) __ref;
+extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
 extern void kmemleak_no_scan(const void *ptr) __ref;
 
 static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
@@ -84,8 +83,7 @@ static inline void kmemleak_not_leak(const void *ptr)
 static inline void kmemleak_ignore(const void *ptr)
 {
 }
-static inline void kmemleak_scan_area(const void *ptr, unsigned long offset,
-                                      size_t length, gfp_t gfp)
+static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
 {
 }
 static inline void kmemleak_erase(void **ptr)
diff --git a/include/linux/leds-lp3944.h b/include/linux/leds-lp3944.h
index afc9f9fd70f5..2618aa9063bc 100644
--- a/include/linux/leds-lp3944.h
+++ b/include/linux/leds-lp3944.h
@@ -12,9 +12,6 @@
 #ifndef __LINUX_LEDS_LP3944_H
 #define __LINUX_LEDS_LP3944_H
 
-#include <linux/leds.h>
-#include <linux/workqueue.h>
-
 #define LP3944_LED0 0
 #define LP3944_LED1 1
 #define LP3944_LED2 2
diff --git a/include/linux/leds-pca9532.h b/include/linux/leds-pca9532.h
index 96eea90f01a8..f158eb1149aa 100644
--- a/include/linux/leds-pca9532.h
+++ b/include/linux/leds-pca9532.h
@@ -32,7 +32,7 @@ struct pca9532_led {
         struct i2c_client *client;
         char *name;
         struct led_classdev ldev;
-       struct work_struct work;
+        struct work_struct work;
         enum pca9532_type type;
         enum pca9532_state state;
 };
diff --git a/include/linux/leds-regulator.h b/include/linux/leds-regulator.h
new file mode 100644
index 000000000000..5a8eb389aab8
--- /dev/null
+++ b/include/linux/leds-regulator.h
@@ -0,0 +1,46 @@
+/*
+ * leds-regulator.h - platform data structure for regulator driven LEDs.
+ *
+ * Copyright (C) 2009 Antonio Ospite <ospite@studenti.unina.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __LINUX_LEDS_REGULATOR_H
+#define __LINUX_LEDS_REGULATOR_H
+
+/*
+ * Use "vled" as supply id when declaring the regulator consumer:
+ *
+ * static struct regulator_consumer_supply pcap_regulator_VVIB_consumers [] = {
+ *      { .dev_name = "leds-regulator.0", supply = "vled" },
+ * };
+ *
+ * If you have several regulator driven LEDs, you can append a numerical id to
+ * .dev_name as done above, and use the same id when declaring the platform
+ * device:
+ *
+ * static struct led_regulator_platform_data a780_vibrator_data = {
+ *      .name   = "a780::vibrator",
+ * };
+ *
+ * static struct platform_device a780_vibrator = {
+ *      .name = "leds-regulator",
+ *      .id   = 0,
+ *      .dev  = {
+ *              .platform_data = &a780_vibrator_data,
+ *      },
+ * };
+ */
+
+#include <linux/leds.h>
+
+struct led_regulator_platform_data {
+        char *name;                     /* LED name as expected by LED class */
+        enum led_brightness brightness; /* initial brightness value */
+};
+
+#endif /* __LINUX_LEDS_REGULATOR_H */
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index d9ebf1037dfa..d74785c2393a 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -23,6 +23,7 @@ struct proc_mounts {
 
 struct fs_struct;
 
+extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt);
 extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
                 struct fs_struct *);
 extern void put_mnt_ns(struct mnt_namespace *ns);
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 7a9754c96775..01b3d759f1fc 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -10,7 +10,7 @@ struct platform_pwm_backlight_data {
         unsigned int dft_brightness;
         unsigned int pwm_period_ns;
         int (*init)(struct device *dev);
-        int (*notify)(int brightness);
+        int (*notify)(struct device *dev, int brightness);
         void (*exit)(struct device *dev);
 };
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 244c287a5ac1..211ed32befbd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1446,10 +1446,8 @@ struct task_struct {
         gfp_t lockdep_reclaim_gfp;
 #endif
 
-#ifdef CONFIG_FS_JOURNAL_INFO
 /* journalling filesystem info */
         void *journal_info;
-#endif
 
 /* stacked block device info */
         struct bio *bio_list, **bio_tail;
diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h
new file mode 100644
index 000000000000..51b3e771a9a3
--- /dev/null
+++ b/include/linux/spi/dw_spi.h
@@ -0,0 +1,212 @@
+#ifndef DW_SPI_HEADER_H
+#define DW_SPI_HEADER_H
+#include <linux/io.h>
+
+/* Bit fields in CTRLR0 */
+#define SPI_DFS_OFFSET                  0
+
+#define SPI_FRF_OFFSET                  4
+#define SPI_FRF_SPI                     0x0
+#define SPI_FRF_SSP                     0x1
+#define SPI_FRF_MICROWIRE               0x2
+#define SPI_FRF_RESV                    0x3
+
+#define SPI_MODE_OFFSET                 6
+#define SPI_SCPH_OFFSET                 6
+#define SPI_SCOL_OFFSET                 7
+#define SPI_TMOD_OFFSET                 8
+#define SPI_TMOD_TR                     0x0             /* xmit & recv */
+#define SPI_TMOD_TO                     0x1             /* xmit only */
+#define SPI_TMOD_RO                     0x2             /* recv only */
+#define SPI_TMOD_EPROMREAD              0x3             /* eeprom read mode */
+
+#define SPI_SLVOE_OFFSET                10
+#define SPI_SRL_OFFSET                  11
+#define SPI_CFS_OFFSET                  12
+
+/* Bit fields in SR, 7 bits */
+#define SR_MASK                         0x7f            /* cover 7 bits */
+#define SR_BUSY                         (1 << 0)
+#define SR_TF_NOT_FULL                  (1 << 1)
+#define SR_TF_EMPT                      (1 << 2)
+#define SR_RF_NOT_EMPT                  (1 << 3)
+#define SR_RF_FULL                      (1 << 4)
+#define SR_TX_ERR                       (1 << 5)
+#define SR_DCOL                         (1 << 6)
+
+/* Bit fields in ISR, IMR, RISR, 7 bits */
+#define SPI_INT_TXEI                    (1 << 0)
+#define SPI_INT_TXOI                    (1 << 1)
+#define SPI_INT_RXUI                    (1 << 2)
+#define SPI_INT_RXOI                    (1 << 3)
+#define SPI_INT_RXFI                    (1 << 4)
+#define SPI_INT_MSTI                    (1 << 5)
+
+/* TX RX interrupt level threshhold, max can be 256 */
+#define SPI_INT_THRESHOLD               32
+
+enum dw_ssi_type {
+        SSI_MOTO_SPI = 0,
+        SSI_TI_SSP,
+        SSI_NS_MICROWIRE,
+};
+
+struct dw_spi_reg {
+        u32     ctrl0;
+        u32     ctrl1;
+        u32     ssienr;
+        u32     mwcr;
+        u32     ser;
+        u32     baudr;
+        u32     txfltr;
+        u32     rxfltr;
+        u32     txflr;
+        u32     rxflr;
+        u32     sr;
+        u32     imr;
+        u32     isr;
+        u32     risr;
+        u32     txoicr;
+        u32     rxoicr;
+        u32     rxuicr;
+        u32     msticr;
+        u32     icr;
+        u32     dmacr;
+        u32     dmatdlr;
+        u32     dmardlr;
+        u32     idr;
+        u32     version;
+        u32     dr;             /* Currently oper as 32 bits,
+                                though only low 16 bits matters */
+} __packed;
+
+struct dw_spi {
+        struct spi_master       *master;
+        struct spi_device       *cur_dev;
+        struct device           *parent_dev;
+        enum dw_ssi_type        type;
+
+        void __iomem            *regs;
+        unsigned long           paddr;
+        u32                     iolen;
+        int                     irq;
+        u32                     max_freq;       /* max bus freq supported */
+
+        u16                     bus_num;
+        u16                     num_cs;         /* supported slave numbers */
+
+        /* Driver message queue */
+        struct workqueue_struct *workqueue;
+        struct work_struct      pump_messages;
+        spinlock_t              lock;
+        struct list_head        queue;
+        int                     busy;
+        int                     run;
+
+        /* Message Transfer pump */
+        struct tasklet_struct   pump_transfers;
+
+        /* Current message transfer state info */
+        struct spi_message      *cur_msg;
+        struct spi_transfer     *cur_transfer;
+        struct chip_data        *cur_chip;
+        struct chip_data        *prev_chip;
+        size_t                  len;
+        void                    *tx;
+        void                    *tx_end;
+        void                    *rx;
+        void                    *rx_end;
+        int                     dma_mapped;
+        dma_addr_t              rx_dma;
+        dma_addr_t              tx_dma;
+        size_t                  rx_map_len;
+        size_t                  tx_map_len;
+        u8                      n_bytes;        /* current is a 1/2 bytes op */
+        u8                      max_bits_per_word;      /* maxim is 16b */
+        u32                     dma_width;
+        int                     cs_change;
+        int                     (*write)(struct dw_spi *dws);
+        int                     (*read)(struct dw_spi *dws);
+        irqreturn_t             (*transfer_handler)(struct dw_spi *dws);
+        void                    (*cs_control)(u32 command);
+
+        /* Dma info */
+        int                     dma_inited;
+        struct dma_chan         *txchan;
+        struct dma_chan         *rxchan;
+        int                     txdma_done;
+        int                     rxdma_done;
+        u64                     tx_param;
+        u64                     rx_param;
+        struct device           *dma_dev;
+        dma_addr_t              dma_addr;
+
+        /* Bus interface info */
+        void                    *priv;
+#ifdef CONFIG_DEBUG_FS
+        struct dentry *debugfs;
+#endif
+};
+
+#define dw_readl(dw, name) \
+        __raw_readl(&(((struct dw_spi_reg *)dw->regs)->name))
+#define dw_writel(dw, name, val) \
+        __raw_writel((val), &(((struct dw_spi_reg *)dw->regs)->name))
+#define dw_readw(dw, name) \
+        __raw_readw(&(((struct dw_spi_reg *)dw->regs)->name))
+#define dw_writew(dw, name, val) \
+        __raw_writew((val), &(((struct dw_spi_reg *)dw->regs)->name))
+
+static inline void spi_enable_chip(struct dw_spi *dws, int enable)
+{
+        dw_writel(dws, ssienr, (enable ? 1 : 0));
+}
+
+static inline void spi_set_clk(struct dw_spi *dws, u16 div)
+{
+        dw_writel(dws, baudr, div);
+}
+
+static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
+{
+        if (cs > dws->num_cs)
+                return;
+        dw_writel(dws, ser, 1 << cs);
+}
+
+/* Disable IRQ bits */
+static inline void spi_mask_intr(struct dw_spi *dws, u32 mask)
+{
+        u32 new_mask;
+
+        new_mask = dw_readl(dws, imr) & ~mask;
+        dw_writel(dws, imr, new_mask);
+}
+
+/* Enable IRQ bits */
+static inline void spi_umask_intr(struct dw_spi *dws, u32 mask)
+{
+        u32 new_mask;
+
+        new_mask = dw_readl(dws, imr) | mask;
+        dw_writel(dws, imr, new_mask);
+}
+
+/*
+ * Each SPI slave device to work with dw_api controller should
+ * has such a structure claiming its working mode (PIO/DMA etc),
+ * which can be save in the "controller_data" member of the
+ * struct spi_device
+ */
+struct dw_spi_chip {
+        u8 poll_mode;   /* 0 for contoller polling mode */
+        u8 type;        /* SPI/SSP/Micrwire */
+        u8 enable_dma;
+        void (*cs_control)(u32 command);
+};
+
+extern int dw_spi_add_host(struct dw_spi *dws);
+extern void dw_spi_remove_host(struct dw_spi *dws);
+extern int dw_spi_suspend_host(struct dw_spi *dws);
+extern int dw_spi_resume_host(struct dw_spi *dws);
+#endif /* DW_SPI_HEADER_H */
diff --git a/include/linux/vt.h b/include/linux/vt.h
index 3fb9944e50a6..d5dd0bc408fd 100644
--- a/include/linux/vt.h
+++ b/include/linux/vt.h
@@ -84,6 +84,8 @@ struct vt_setactivate {
 
 #define VT_SETACTIVATE  0x560F  /* Activate and set the mode of a console */
 
+#ifdef __KERNEL__
+
 #ifdef CONFIG_VT_CONSOLE
 
 extern int vt_kmsg_redirect(int new);
@@ -97,6 +99,8 @@ static inline int vt_kmsg_redirect(int new)
 
 #endif
 
+#endif /* __KERNEL__ */
+
 #define vt_get_kmsg_redirect() vt_kmsg_redirect(-1)
 
 #endif /* _LINUX_VT_H */