8 files changed, 186 insertions, 101 deletions

diff --git a/include/linux/capability.h b/include/linux/capability.h
index 4864a43b2b45..c3021105edc0 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -377,7 +377,21 @@ struct cpu_vfs_cap_data {
 #define CAP_FOR_EACH_U32(__capi)  \
         for (__capi = 0; __capi < _KERNEL_CAPABILITY_U32S; ++__capi)
 
+/*
+ * CAP_FS_MASK and CAP_NFSD_MASKS:
+ *
+ * The fs mask is all the privileges that fsuid==0 historically meant.
+ * At one time in the past, that included CAP_MKNOD and CAP_LINUX_IMMUTABLE.
+ *
+ * It has never meant setting security.* and trusted.* xattrs.
+ *
+ * We could also define fsmask as follows:
+ *   1. CAP_FS_MASK is the privilege to bypass all fs-related DAC permissions
+ *   2. The security.* and trusted.* xattrs are fs-related MAC permissions
+ */
+
 # define CAP_FS_MASK_B0     (CAP_TO_MASK(CAP_CHOWN)             \
+                            | CAP_TO_MASK(CAP_MKNOD)            \
                             | CAP_TO_MASK(CAP_DAC_OVERRIDE)     \
                             | CAP_TO_MASK(CAP_DAC_READ_SEARCH)  \
                             | CAP_TO_MASK(CAP_FOWNER)           \
@@ -392,11 +406,12 @@ struct cpu_vfs_cap_data {
 # define CAP_EMPTY_SET    ((kernel_cap_t){{ 0, 0 }})
 # define CAP_FULL_SET     ((kernel_cap_t){{ ~0, ~0 }})
 # define CAP_INIT_EFF_SET ((kernel_cap_t){{ ~CAP_TO_MASK(CAP_SETPCAP), ~0 }})
-# define CAP_FS_SET       ((kernel_cap_t){{ CAP_FS_MASK_B0, CAP_FS_MASK_B1 } })
+# define CAP_FS_SET       ((kernel_cap_t){{ CAP_FS_MASK_B0 \
+                                    | CAP_TO_MASK(CAP_LINUX_IMMUTABLE), \
+                                    CAP_FS_MASK_B1 } })
 # define CAP_NFSD_SET     ((kernel_cap_t){{ CAP_FS_MASK_B0 \
-                                            | CAP_TO_MASK(CAP_SYS_RESOURCE) \
-                                            | CAP_TO_MASK(CAP_MKNOD), \
-                                            CAP_FS_MASK_B1 } })
+                                    | CAP_TO_MASK(CAP_SYS_RESOURCE), \
+                                    CAP_FS_MASK_B1 } })
 
 #endif /* _KERNEL_CAPABILITY_U32S != 2 */
 
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index 096476f1fb35..493dedb7a67b 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -2,12 +2,19 @@
 #define __LINUX_DEBUG_LOCKING_H
 
 #include <linux/kernel.h>
+#include <asm/atomic.h>
 
 struct task_struct;
 
 extern int debug_locks;
 extern int debug_locks_silent;
 
+
+static inline int __debug_locks_off(void)
+{
+        return xchg(&debug_locks, 0);
+}
+
 /*
  * Generic 'turn off all lock debugging' function:
  */
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 00ee11eb9092..ad2580596033 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -274,7 +274,7 @@ struct i2c_board_info {
  * are provided using conventional syntax.
  */
 #define I2C_BOARD_INFO(dev_type, dev_addr) \
-        .type = (dev_type), .addr = (dev_addr)
+        .type = dev_type, .addr = (dev_addr)
 
 
 /* Add-on boards should register/unregister their devices; e.g. a board
diff --git a/include/linux/ide.h b/include/linux/ide.h
index a5d26f66ef78..ff65fffb078f 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -240,65 +240,38 @@ typedef enum {
 } ide_startstop_t;
 
 enum {
+        IDE_VALID_ERROR                 = (1 << 1),
+        IDE_VALID_FEATURE               = IDE_VALID_ERROR,
+        IDE_VALID_NSECT                 = (1 << 2),
+        IDE_VALID_LBAL                  = (1 << 3),
+        IDE_VALID_LBAM                  = (1 << 4),
+        IDE_VALID_LBAH                  = (1 << 5),
+        IDE_VALID_DEVICE                = (1 << 6),
+        IDE_VALID_LBA                   = IDE_VALID_LBAL |
+                                          IDE_VALID_LBAM |
+                                          IDE_VALID_LBAH,
+        IDE_VALID_OUT_TF                = IDE_VALID_FEATURE |
+                                          IDE_VALID_NSECT |
+                                          IDE_VALID_LBA,
+        IDE_VALID_IN_TF                 = IDE_VALID_NSECT |
+                                          IDE_VALID_LBA,
+        IDE_VALID_OUT_HOB               = IDE_VALID_OUT_TF,
+        IDE_VALID_IN_HOB                = IDE_VALID_ERROR |
+                                          IDE_VALID_NSECT |
+                                          IDE_VALID_LBA,
+};
+
+enum {
         IDE_TFLAG_LBA48                 = (1 << 0),
-        IDE_TFLAG_OUT_HOB_FEATURE       = (1 << 1),
-        IDE_TFLAG_OUT_HOB_NSECT         = (1 << 2),
-        IDE_TFLAG_OUT_HOB_LBAL          = (1 << 3),
-        IDE_TFLAG_OUT_HOB_LBAM          = (1 << 4),
-        IDE_TFLAG_OUT_HOB_LBAH          = (1 << 5),
-        IDE_TFLAG_OUT_HOB               = IDE_TFLAG_OUT_HOB_FEATURE |
-                                          IDE_TFLAG_OUT_HOB_NSECT |
-                                          IDE_TFLAG_OUT_HOB_LBAL |
-                                          IDE_TFLAG_OUT_HOB_LBAM |
-                                          IDE_TFLAG_OUT_HOB_LBAH,
-        IDE_TFLAG_OUT_FEATURE           = (1 << 6),
-        IDE_TFLAG_OUT_NSECT             = (1 << 7),
-        IDE_TFLAG_OUT_LBAL              = (1 << 8),
-        IDE_TFLAG_OUT_LBAM              = (1 << 9),
-        IDE_TFLAG_OUT_LBAH              = (1 << 10),
-        IDE_TFLAG_OUT_TF                = IDE_TFLAG_OUT_FEATURE |
-                                          IDE_TFLAG_OUT_NSECT |
-                                          IDE_TFLAG_OUT_LBAL |
-                                          IDE_TFLAG_OUT_LBAM |
-                                          IDE_TFLAG_OUT_LBAH,
-        IDE_TFLAG_OUT_DEVICE            = (1 << 11),
-        IDE_TFLAG_WRITE                 = (1 << 12),
-        IDE_TFLAG_CUSTOM_HANDLER        = (1 << 13),
-        IDE_TFLAG_DMA_PIO_FALLBACK      = (1 << 14),
-        IDE_TFLAG_IN_HOB_ERROR          = (1 << 15),
-        IDE_TFLAG_IN_HOB_NSECT          = (1 << 16),
-        IDE_TFLAG_IN_HOB_LBAL           = (1 << 17),
-        IDE_TFLAG_IN_HOB_LBAM           = (1 << 18),
-        IDE_TFLAG_IN_HOB_LBAH           = (1 << 19),
-        IDE_TFLAG_IN_HOB_LBA            = IDE_TFLAG_IN_HOB_LBAL |
-                                          IDE_TFLAG_IN_HOB_LBAM |
-                                          IDE_TFLAG_IN_HOB_LBAH,
-        IDE_TFLAG_IN_HOB                = IDE_TFLAG_IN_HOB_ERROR |
-                                          IDE_TFLAG_IN_HOB_NSECT |
-                                          IDE_TFLAG_IN_HOB_LBA,
-        IDE_TFLAG_IN_ERROR              = (1 << 20),
-        IDE_TFLAG_IN_NSECT              = (1 << 21),
-        IDE_TFLAG_IN_LBAL               = (1 << 22),
-        IDE_TFLAG_IN_LBAM               = (1 << 23),
-        IDE_TFLAG_IN_LBAH               = (1 << 24),
-        IDE_TFLAG_IN_LBA                = IDE_TFLAG_IN_LBAL |
-                                          IDE_TFLAG_IN_LBAM |
-                                          IDE_TFLAG_IN_LBAH,
-        IDE_TFLAG_IN_TF                 = IDE_TFLAG_IN_NSECT |
-                                          IDE_TFLAG_IN_LBA,
-        IDE_TFLAG_IN_DEVICE             = (1 << 25),
-        IDE_TFLAG_HOB                   = IDE_TFLAG_OUT_HOB |
-                                          IDE_TFLAG_IN_HOB,
-        IDE_TFLAG_TF                    = IDE_TFLAG_OUT_TF |
-                                          IDE_TFLAG_IN_TF,
-        IDE_TFLAG_DEVICE                = IDE_TFLAG_OUT_DEVICE |
-                                          IDE_TFLAG_IN_DEVICE,
+        IDE_TFLAG_WRITE                 = (1 << 1),
+        IDE_TFLAG_CUSTOM_HANDLER        = (1 << 2),
+        IDE_TFLAG_DMA_PIO_FALLBACK      = (1 << 3),
         /* force 16-bit I/O operations */
-        IDE_TFLAG_IO_16BIT              = (1 << 26),
+        IDE_TFLAG_IO_16BIT              = (1 << 4),
         /* struct ide_cmd was allocated using kmalloc() */
-        IDE_TFLAG_DYN                   = (1 << 27),
-        IDE_TFLAG_FS                    = (1 << 28),
-        IDE_TFLAG_MULTI_PIO             = (1 << 29),
+        IDE_TFLAG_DYN                   = (1 << 5),
+        IDE_TFLAG_FS                    = (1 << 6),
+        IDE_TFLAG_MULTI_PIO             = (1 << 7),
 };
 
 enum {
@@ -309,45 +282,34 @@ enum {
 };
 
 struct ide_taskfile {
-        u8      hob_data;       /*  0: high data byte (for TASKFILE IOCTL) */
-                                /*  1-5: additional data to support LBA48 */
-        union {
-                u8 hob_error;   /*   read: error */
-                u8 hob_feature; /*  write: feature */
-        };
-
-        u8      hob_nsect;
-        u8      hob_lbal;
-        u8      hob_lbam;
-        u8      hob_lbah;
-
-        u8      data;           /*  6: low data byte (for TASKFILE IOCTL) */
-
-        union {                 /*  7: */
-                u8 error;       /*   read:  error */
-                u8 feature;     /*  write: feature */
+        u8      data;           /* 0: data byte (for TASKFILE ioctl) */
+        union {                 /* 1: */
+                u8 error;       /*  read: error */
+                u8 feature;     /* write: feature */
         };
-
-        u8      nsect;          /*  8: number of sectors */
-        u8      lbal;           /*  9: LBA low */
-        u8      lbam;           /* 10: LBA mid */
-        u8      lbah;           /* 11: LBA high */
-
-        u8      device;         /* 12: device select */
-
-        union {                 /* 13: */
-                u8 status;      /*  read: status  */
+        u8      nsect;          /* 2: number of sectors */
+        u8      lbal;           /* 3: LBA low */
+        u8      lbam;           /* 4: LBA mid */
+        u8      lbah;           /* 5: LBA high */
+        u8      device;         /* 6: device select */
+        union {                 /* 7: */
+                u8 status;      /*  read: status */
                 u8 command;     /* write: command */
         };
 };
 
 struct ide_cmd {
-        union {
-                struct ide_taskfile     tf;
-                u8                      tf_array[14];
-        };
+        struct ide_taskfile     tf;
+        struct ide_taskfile     hob;
+        struct {
+                struct {
+                        u8              tf;
+                        u8              hob;
+                } out, in;
+        } valid;
+
+        u8                      tf_flags;
         u8                      ftf_flags;      /* for TASKFILE ioctl */
-        u32                     tf_flags;
         int                     protocol;
 
         int                     sg_nents;         /* number of sg entries */
@@ -662,8 +624,8 @@ struct ide_tp_ops {
         void    (*write_devctl)(struct hwif_s *, u8);
 
         void    (*dev_select)(ide_drive_t *);
-        void    (*tf_load)(ide_drive_t *, struct ide_cmd *);
-        void    (*tf_read)(ide_drive_t *, struct ide_cmd *);
+        void    (*tf_load)(ide_drive_t *, struct ide_taskfile *, u8);
+        void    (*tf_read)(ide_drive_t *, struct ide_taskfile *, u8);
 
         void    (*input_data)(ide_drive_t *, struct ide_cmd *,
                               void *, unsigned int);
@@ -1162,7 +1124,8 @@ extern int ide_devset_execute(ide_drive_t *drive,
 void ide_complete_cmd(ide_drive_t *, struct ide_cmd *, u8, u8);
 int ide_complete_rq(ide_drive_t *, int, unsigned int);
 
-void ide_tf_dump(const char *, struct ide_taskfile *);
+void ide_tf_readback(ide_drive_t *drive, struct ide_cmd *cmd);
+void ide_tf_dump(const char *, struct ide_cmd *);
 
 void ide_exec_command(ide_hwif_t *, u8);
 u8 ide_read_status(ide_hwif_t *);
@@ -1170,8 +1133,8 @@ u8 ide_read_altstatus(ide_hwif_t *);
 void ide_write_devctl(ide_hwif_t *, u8);
 
 void ide_dev_select(ide_drive_t *);
-void ide_tf_load(ide_drive_t *, struct ide_cmd *);
-void ide_tf_read(ide_drive_t *, struct ide_cmd *);
+void ide_tf_load(ide_drive_t *, struct ide_taskfile *, u8);
+void ide_tf_read(ide_drive_t *, struct ide_taskfile *, u8);
 
 void ide_input_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
 void ide_output_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
@@ -1529,7 +1492,7 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
 
 extern void ide_toggle_bounce(ide_drive_t *drive, int on);
 
-u64 ide_get_lba_addr(struct ide_taskfile *, int);
+u64 ide_get_lba_addr(struct ide_cmd *, int);
 u8 ide_dump_status(ide_drive_t *, const char *, u8);
 
 struct ide_timing {
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index ee5615d65211..cfda2d5ad319 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -168,4 +168,56 @@ static inline void free_percpu(void *p)
 #define alloc_percpu(type)      (type *)__alloc_percpu(sizeof(type), \
                                                        __alignof__(type))
 
+/*
+ * Optional methods for optimized non-lvalue per-cpu variable access.
+ *
+ * @var can be a percpu variable or a field of it and its size should
+ * equal char, int or long.  percpu_read() evaluates to a lvalue and
+ * all others to void.
+ *
+ * These operations are guaranteed to be atomic w.r.t. preemption.
+ * The generic versions use plain get/put_cpu_var().  Archs are
+ * encouraged to implement single-instruction alternatives which don't
+ * require preemption protection.
+ */
+#ifndef percpu_read
+# define percpu_read(var)                                               \
+  ({                                                                    \
+        typeof(per_cpu_var(var)) __tmp_var__;                           \
+        __tmp_var__ = get_cpu_var(var);                                 \
+        put_cpu_var(var);                                               \
+        __tmp_var__;                                                    \
+  })
+#endif
+
+#define __percpu_generic_to_op(var, val, op)                            \
+do {                                                                    \
+        get_cpu_var(var) op val;                                        \
+        put_cpu_var(var);                                               \
+} while (0)
+
+#ifndef percpu_write
+# define percpu_write(var, val)         __percpu_generic_to_op(var, (val), =)
+#endif
+
+#ifndef percpu_add
+# define percpu_add(var, val)           __percpu_generic_to_op(var, (val), +=)
+#endif
+
+#ifndef percpu_sub
+# define percpu_sub(var, val)           __percpu_generic_to_op(var, (val), -=)
+#endif
+
+#ifndef percpu_and
+# define percpu_and(var, val)           __percpu_generic_to_op(var, (val), &=)
+#endif
+
+#ifndef percpu_or
+# define percpu_or(var, val)            __percpu_generic_to_op(var, (val), |=)
+#endif
+
+#ifndef percpu_xor
+# define percpu_xor(var, val)           __percpu_generic_to_op(var, (val), ^=)
+#endif
+
 #endif /* __LINUX_PERCPU_H */
diff --git a/include/linux/rotary_encoder.h b/include/linux/rotary_encoder.h
new file mode 100644
index 000000000000..12d63a30c347
--- /dev/null
+++ b/include/linux/rotary_encoder.h
@@ -0,0 +1,13 @@
+#ifndef __ROTARY_ENCODER_H__
+#define __ROTARY_ENCODER_H__
+
+struct rotary_encoder_platform_data {
+        unsigned int steps;
+        unsigned int axis;
+        unsigned int gpio_a;
+        unsigned int gpio_b;
+        unsigned int inverted_a;
+        unsigned int inverted_b;
+};
+
+#endif /* __ROTARY_ENCODER_H__ */
diff --git a/include/linux/spi/ad7879.h b/include/linux/spi/ad7879.h
new file mode 100644
index 000000000000..4231104c9afa
--- /dev/null
+++ b/include/linux/spi/ad7879.h
@@ -0,0 +1,35 @@
+/* linux/spi/ad7879.h */
+
+/* Touchscreen characteristics vary between boards and models.  The
+ * platform_data for the device's "struct device" holds this information.
+ *
+ * It's OK if the min/max values are zero.
+ */
+struct ad7879_platform_data {
+        u16     model;                  /* 7879 */
+        u16     x_plate_ohms;
+        u16     x_min, x_max;
+        u16     y_min, y_max;
+        u16     pressure_min, pressure_max;
+
+        /* [0..255] 0=OFF Starts at 1=550us and goes
+         * all the way to 9.440ms in steps of 35us.
+         */
+        u8      pen_down_acc_interval;
+        /* [0..15] Starts at 0=128us and goes all the
+         * way to 4.096ms in steps of 128us.
+         */
+        u8      first_conversion_delay;
+        /* [0..3] 0 = 2us, 1 = 4us, 2 = 8us, 3 = 16us */
+        u8      acquisition_time;
+        /* [0..3] Average X middle samples 0 = 2, 1 = 4, 2 = 8, 3 = 16 */
+        u8      averaging;
+        /* [0..3] Perform X measurements 0 = OFF,
+         * 1 = 4, 2 = 8, 3 = 16 (median > averaging)
+         */
+        u8      median;
+        /* 1 = AUX/VBAT/GPIO set to GPIO Output */
+        u8      gpio_output;
+        /* Initial GPIO pin state (valid if gpio_output = 1) */
+        u8      gpio_default;
+};
diff --git a/include/linux/stringify.h b/include/linux/stringify.h
index 0b4388356c87..841cec8ed525 100644
--- a/include/linux/stringify.h
+++ b/include/linux/stringify.h
@@ -6,7 +6,7 @@
  * converts to "bar".
  */
 
-#define __stringify_1(x)        #x
-#define __stringify(x)          __stringify_1(x)
+#define __stringify_1(x...)     #x
+#define __stringify(x...)       __stringify_1(x)
 
 #endif  /* !__LINUX_STRINGIFY_H */