Merge commit 'gcl/next' into next

12 files changed, 336 insertions, 104 deletions

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 8e5a9dfb76bf..e7445df44d6c 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -873,6 +873,8 @@ struct fb_info {
 static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
         struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
                         + max_num * sizeof(struct aperture), GFP_KERNEL);
+        if (!a)
+                return NULL;
         a->count = max_num;
         return a;
 }
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index 013dc529e95f..d147461bc271 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -61,7 +61,8 @@ struct files_struct {
         (rcu_dereference_check((fdtfd), \
                                rcu_read_lock_held() || \
                                lockdep_is_held(&(files)->file_lock) || \
-                               atomic_read(&(files)->count) == 1))
+                               atomic_read(&(files)->count) == 1 || \
+                               rcu_my_thread_group_empty()))
 
 #define files_fdtable(files) \
                 (rcu_dereference_check_fdtable((files), (files)->fdt))
diff --git a/include/linux/fsl-diu-fb.h b/include/linux/fsl-diu-fb.h
new file mode 100644
index 000000000000..fc295d7ea463
--- /dev/null
+++ b/include/linux/fsl-diu-fb.h
@@ -0,0 +1,223 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ *  Freescale DIU Frame Buffer device driver
+ *
+ *  Authors: Hongjun Chen <hong-jun.chen@freescale.com>
+ *           Paul Widmer <paul.widmer@freescale.com>
+ *           Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
+ *           York Sun <yorksun@freescale.com>
+ *
+ *   Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __FSL_DIU_FB_H__
+#define __FSL_DIU_FB_H__
+
+/* Arbitrary threshold to determine the allocation method
+ * See mpc8610fb_set_par(), map_video_memory(), and unmap_video_memory()
+ */
+#define MEM_ALLOC_THRESHOLD (1024*768*4+32)
+/* Minimum value that the pixel clock can be set to in pico seconds
+ * This is determined by platform clock/3 where the minimum platform
+ * clock is 533MHz. This gives 5629 pico seconds.
+ */
+#define MIN_PIX_CLK 5629
+#define MAX_PIX_CLK 96096
+
+#include <linux/types.h>
+
+struct mfb_alpha {
+        int enable;
+        int alpha;
+};
+
+struct mfb_chroma_key {
+        int enable;
+        __u8  red_max;
+        __u8  green_max;
+        __u8  blue_max;
+        __u8  red_min;
+        __u8  green_min;
+        __u8  blue_min;
+};
+
+struct aoi_display_offset {
+        int x_aoi_d;
+        int y_aoi_d;
+};
+
+#define MFB_SET_CHROMA_KEY      _IOW('M', 1, struct mfb_chroma_key)
+#define MFB_WAIT_FOR_VSYNC      _IOW('F', 0x20, u_int32_t)
+#define MFB_SET_BRIGHTNESS      _IOW('M', 3, __u8)
+
+#define MFB_SET_ALPHA           0x80014d00
+#define MFB_GET_ALPHA           0x40014d00
+#define MFB_SET_AOID            0x80084d04
+#define MFB_GET_AOID            0x40084d04
+#define MFB_SET_PIXFMT          0x80014d08
+#define MFB_GET_PIXFMT          0x40014d08
+
+#define FBIOGET_GWINFO          0x46E0
+#define FBIOPUT_GWINFO          0x46E1
+
+#ifdef __KERNEL__
+#include <linux/spinlock.h>
+
+/*
+ * These are the fields of area descriptor(in DDR memory) for every plane
+ */
+struct diu_ad {
+        /* Word 0(32-bit) in DDR memory */
+/*      __u16 comp; */
+/*      __u16 pixel_s:2; */
+/*      __u16 pallete:1; */
+/*      __u16 red_c:2; */
+/*      __u16 green_c:2; */
+/*      __u16 blue_c:2; */
+/*      __u16 alpha_c:3; */
+/*      __u16 byte_f:1; */
+/*      __u16 res0:3; */
+
+        __be32 pix_fmt; /* hard coding pixel format */
+
+        /* Word 1(32-bit) in DDR memory */
+        __le32 addr;
+
+        /* Word 2(32-bit) in DDR memory */
+/*      __u32 delta_xs:11; */
+/*      __u32 res1:1; */
+/*      __u32 delta_ys:11; */
+/*      __u32 res2:1; */
+/*      __u32 g_alpha:8; */
+        __le32 src_size_g_alpha;
+
+        /* Word 3(32-bit) in DDR memory */
+/*      __u32 delta_xi:11; */
+/*      __u32 res3:5; */
+/*      __u32 delta_yi:11; */
+/*      __u32 res4:3; */
+/*      __u32 flip:2; */
+        __le32 aoi_size;
+
+        /* Word 4(32-bit) in DDR memory */
+        /*__u32 offset_xi:11;
+        __u32 res5:5;
+        __u32 offset_yi:11;
+        __u32 res6:5;
+        */
+        __le32 offset_xyi;
+
+        /* Word 5(32-bit) in DDR memory */
+        /*__u32 offset_xd:11;
+        __u32 res7:5;
+        __u32 offset_yd:11;
+        __u32 res8:5; */
+        __le32 offset_xyd;
+
+
+        /* Word 6(32-bit) in DDR memory */
+        __u8 ckmax_r;
+        __u8 ckmax_g;
+        __u8 ckmax_b;
+        __u8 res9;
+
+        /* Word 7(32-bit) in DDR memory */
+        __u8 ckmin_r;
+        __u8 ckmin_g;
+        __u8 ckmin_b;
+        __u8 res10;
+/*      __u32 res10:8; */
+
+        /* Word 8(32-bit) in DDR memory */
+        __le32 next_ad;
+
+        /* Word 9(32-bit) in DDR memory, just for 64-bit aligned */
+        __u32 paddr;
+} __attribute__ ((packed));
+
+/* DIU register map */
+struct diu {
+        __be32 desc[3];
+        __be32 gamma;
+        __be32 pallete;
+        __be32 cursor;
+        __be32 curs_pos;
+        __be32 diu_mode;
+        __be32 bgnd;
+        __be32 bgnd_wb;
+        __be32 disp_size;
+        __be32 wb_size;
+        __be32 wb_mem_addr;
+        __be32 hsyn_para;
+        __be32 vsyn_para;
+        __be32 syn_pol;
+        __be32 thresholds;
+        __be32 int_status;
+        __be32 int_mask;
+        __be32 colorbar[8];
+        __be32 filling;
+        __be32 plut;
+} __attribute__ ((packed));
+
+struct diu_hw {
+        struct diu *diu_reg;
+        spinlock_t reg_lock;
+
+        __u32 mode;             /* DIU operation mode */
+};
+
+struct diu_addr {
+        __u8 __iomem *vaddr;    /* Virtual address */
+        dma_addr_t paddr;       /* Physical address */
+        __u32      offset;
+};
+
+struct diu_pool {
+        struct diu_addr ad;
+        struct diu_addr gamma;
+        struct diu_addr pallete;
+        struct diu_addr cursor;
+};
+
+#define FSL_DIU_BASE_OFFSET     0x2C000 /* Offset of DIU */
+#define INT_LCDC                64      /* DIU interrupt number */
+
+#define FSL_AOI_NUM     6       /* 5 AOIs and one dummy AOI */
+                                /* 1 for plane 0, 2 for plane 1&2 each */
+
+/* Minimum X and Y resolutions */
+#define MIN_XRES        64
+#define MIN_YRES        64
+
+/* HW cursor parameters */
+#define MAX_CURS                32
+
+/* Modes of operation of DIU */
+#define MFB_MODE0       0       /* DIU off */
+#define MFB_MODE1       1       /* All three planes output to display */
+#define MFB_MODE2       2       /* Plane 1 to display, planes 2+3 written back*/
+#define MFB_MODE3       3       /* All three planes written back to memory */
+#define MFB_MODE4       4       /* Color bar generation */
+
+/* INT_STATUS/INT_MASK field descriptions */
+#define INT_VSYNC       0x01    /* Vsync interrupt  */
+#define INT_VSYNC_WB    0x02    /* Vsync interrupt for write back operation */
+#define INT_UNDRUN      0x04    /* Under run exception interrupt */
+#define INT_PARERR      0x08    /* Display parameters error interrupt */
+#define INT_LS_BF_VS    0x10    /* Lines before vsync. interrupt */
+
+/* Panels'operation modes */
+#define MFB_TYPE_OUTPUT 0       /* Panel output to display */
+#define MFB_TYPE_OFF    1       /* Panel off */
+#define MFB_TYPE_WB     2       /* Panel written back to memory */
+#define MFB_TYPE_TEST   3       /* Panel generate color bar */
+
+#endif /* __KERNEL__ */
+#endif /* __FSL_DIU_FB_H__ */
diff --git a/include/linux/i8042.h b/include/linux/i8042.h
index 9bf6870ee5f4..a986ff588944 100644
--- a/include/linux/i8042.h
+++ b/include/linux/i8042.h
@@ -46,31 +46,31 @@ int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
 
 #else
 
-void i8042_lock_chip(void)
+static inline void i8042_lock_chip(void)
 {
 }
 
-void i8042_unlock_chip(void)
+static inline void i8042_unlock_chip(void)
 {
 }
 
-int i8042_command(unsigned char *param, int command)
+static inline int i8042_command(unsigned char *param, int command)
 {
         return -ENODEV;
 }
 
-bool i8042_check_port_owner(const struct serio *serio)
+static inline bool i8042_check_port_owner(const struct serio *serio)
 {
         return false;
 }
 
-int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
+static inline int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
                                         struct serio *serio))
 {
         return -ENODEV;
 }
 
-int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
+static inline int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
                                        struct serio *serio))
 {
         return -ENODEV;
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index a4d2e9f7088a..adf832dec3f3 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1026,11 +1026,12 @@ void __jbd2_journal_insert_checkpoint(struct journal_head *, transaction_t *);
 
 struct jbd2_buffer_trigger_type {
         /*
-         * Fired just before a buffer is written to the journal.
-         * mapped_data is a mapped buffer that is the frozen data for
-         * commit.
+         * Fired a the moment data to write to the journal are known to be
+         * stable - so either at the moment b_frozen_data is created or just
+         * before a buffer is written to the journal.  mapped_data is a mapped
+         * buffer that is the frozen data for commit.
          */
-        void (*t_commit)(struct jbd2_buffer_trigger_type *type,
+        void (*t_frozen)(struct jbd2_buffer_trigger_type *type,
                          struct buffer_head *bh, void *mapped_data,
                          size_t size);
 
@@ -1042,7 +1043,7 @@ struct jbd2_buffer_trigger_type {
                         struct buffer_head *bh);
 };
 
-extern void jbd2_buffer_commit_trigger(struct journal_head *jh,
+extern void jbd2_buffer_frozen_trigger(struct journal_head *jh,
                                        void *mapped_data,
                                        struct jbd2_buffer_trigger_type *triggers);
 extern void jbd2_buffer_abort_trigger(struct journal_head *jh,
diff --git a/include/linux/lmb.h b/include/linux/lmb.h
deleted file mode 100644
index f3d14333ebed..000000000000
--- a/include/linux/lmb.h
+++ /dev/null
@@ -1,89 +0,0 @@
-#ifndef _LINUX_LMB_H
-#define _LINUX_LMB_H
-#ifdef __KERNEL__
-
-/*
- * Logical memory blocks.
- *
- * Copyright (C) 2001 Peter Bergner, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/mm.h>
-
-#define MAX_LMB_REGIONS 128
-
-struct lmb_property {
-        u64 base;
-        u64 size;
-};
-
-struct lmb_region {
-        unsigned long cnt;
-        u64 size;
-        struct lmb_property region[MAX_LMB_REGIONS+1];
-};
-
-struct lmb {
-        unsigned long debug;
-        u64 rmo_size;
-        struct lmb_region memory;
-        struct lmb_region reserved;
-};
-
-extern struct lmb lmb;
-
-extern void __init lmb_init(void);
-extern void __init lmb_analyze(void);
-extern long lmb_add(u64 base, u64 size);
-extern long lmb_remove(u64 base, u64 size);
-extern long __init lmb_free(u64 base, u64 size);
-extern long __init lmb_reserve(u64 base, u64 size);
-extern u64 __init lmb_alloc_nid(u64 size, u64 align, int nid,
-                                u64 (*nid_range)(u64, u64, int *));
-extern u64 __init lmb_alloc(u64 size, u64 align);
-extern u64 __init lmb_alloc_base(u64 size,
-                u64, u64 max_addr);
-extern u64 __init __lmb_alloc_base(u64 size,
-                u64 align, u64 max_addr);
-extern u64 __init lmb_phys_mem_size(void);
-extern u64 lmb_end_of_DRAM(void);
-extern void __init lmb_enforce_memory_limit(u64 memory_limit);
-extern int __init lmb_is_reserved(u64 addr);
-extern int lmb_is_region_reserved(u64 base, u64 size);
-extern int lmb_find(struct lmb_property *res);
-
-extern void lmb_dump_all(void);
-
-static inline u64
-lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
-{
-        return type->region[region_nr].size;
-}
-static inline u64
-lmb_size_pages(struct lmb_region *type, unsigned long region_nr)
-{
-        return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT;
-}
-static inline u64
-lmb_start_pfn(struct lmb_region *type, unsigned long region_nr)
-{
-        return type->region[region_nr].base >> PAGE_SHIFT;
-}
-static inline u64
-lmb_end_pfn(struct lmb_region *type, unsigned long region_nr)
-{
-        return lmb_start_pfn(type, region_nr) +
-               lmb_size_pages(type, region_nr);
-}
-
-#include <asm/lmb.h>
-
-#endif /* __KERNEL__ */
-
-#endif /* _LINUX_LMB_H */
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
new file mode 100644
index 000000000000..a59faf2b5edd
--- /dev/null
+++ b/include/linux/memblock.h
@@ -0,0 +1,89 @@
+#ifndef _LINUX_MEMBLOCK_H
+#define _LINUX_MEMBLOCK_H
+#ifdef __KERNEL__
+
+/*
+ * Logical memory blocks.
+ *
+ * Copyright (C) 2001 Peter Bergner, IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/mm.h>
+
+#define MAX_MEMBLOCK_REGIONS 128
+
+struct memblock_property {
+        u64 base;
+        u64 size;
+};
+
+struct memblock_region {
+        unsigned long cnt;
+        u64 size;
+        struct memblock_property region[MAX_MEMBLOCK_REGIONS+1];
+};
+
+struct memblock {
+        unsigned long debug;
+        u64 rmo_size;
+        struct memblock_region memory;
+        struct memblock_region reserved;
+};
+
+extern struct memblock memblock;
+
+extern void __init memblock_init(void);
+extern void __init memblock_analyze(void);
+extern long memblock_add(u64 base, u64 size);
+extern long memblock_remove(u64 base, u64 size);
+extern long __init memblock_free(u64 base, u64 size);
+extern long __init memblock_reserve(u64 base, u64 size);
+extern u64 __init memblock_alloc_nid(u64 size, u64 align, int nid,
+                                u64 (*nid_range)(u64, u64, int *));
+extern u64 __init memblock_alloc(u64 size, u64 align);
+extern u64 __init memblock_alloc_base(u64 size,
+                u64, u64 max_addr);
+extern u64 __init __memblock_alloc_base(u64 size,
+                u64 align, u64 max_addr);
+extern u64 __init memblock_phys_mem_size(void);
+extern u64 memblock_end_of_DRAM(void);
+extern void __init memblock_enforce_memory_limit(u64 memory_limit);
+extern int __init memblock_is_reserved(u64 addr);
+extern int memblock_is_region_reserved(u64 base, u64 size);
+extern int memblock_find(struct memblock_property *res);
+
+extern void memblock_dump_all(void);
+
+static inline u64
+memblock_size_bytes(struct memblock_region *type, unsigned long region_nr)
+{
+        return type->region[region_nr].size;
+}
+static inline u64
+memblock_size_pages(struct memblock_region *type, unsigned long region_nr)
+{
+        return memblock_size_bytes(type, region_nr) >> PAGE_SHIFT;
+}
+static inline u64
+memblock_start_pfn(struct memblock_region *type, unsigned long region_nr)
+{
+        return type->region[region_nr].base >> PAGE_SHIFT;
+}
+static inline u64
+memblock_end_pfn(struct memblock_region *type, unsigned long region_nr)
+{
+        return memblock_start_pfn(type, region_nr) +
+               memblock_size_pages(type, region_nr);
+}
+
+#include <asm/memblock.h>
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_MEMBLOCK_H */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index b969efb03787..a2b48041b910 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -999,7 +999,7 @@ static inline void sync_mm_rss(struct task_struct *task, struct mm_struct *mm)
  * querying the cache size, so a fastpath for that case is appropriate.
  */
 struct shrinker {
-        int (*shrink)(int nr_to_scan, gfp_t gfp_mask);
+        int (*shrink)(struct shrinker *, int nr_to_scan, gfp_t gfp_mask);
         int seeks;      /* seeks to recreate an obj */
 
         /* These are for internal use */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 7cb00845f150..f26fda76b87f 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -288,6 +288,7 @@ struct pci_dev {
          */
         unsigned int    irq;
         struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
+        resource_size_t fw_addr[DEVICE_COUNT_RESOURCE]; /* FW-assigned addr */
 
         /* These fields are used by common fixups */
         unsigned int    transparent:1;  /* Transparent PCI bridge */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 7f614ce274a9..13ebb5413a79 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -124,7 +124,8 @@ extern struct trace_event_functions enter_syscall_print_funcs;
 extern struct trace_event_functions exit_syscall_print_funcs;
 
 #define SYSCALL_TRACE_ENTER_EVENT(sname)                                \
-        static struct syscall_metadata __syscall_meta_##sname;          \
+        static struct syscall_metadata                                  \
+        __attribute__((__aligned__(4))) __syscall_meta_##sname;         \
         static struct ftrace_event_call                                 \
         __attribute__((__aligned__(4))) event_enter_##sname;            \
         static struct ftrace_event_call __used                          \
@@ -138,7 +139,8 @@ extern struct trace_event_functions exit_syscall_print_funcs;
         }
 
 #define SYSCALL_TRACE_EXIT_EVENT(sname)                                 \
-        static struct syscall_metadata __syscall_meta_##sname;          \
+        static struct syscall_metadata                                  \
+        __attribute__((__aligned__(4))) __syscall_meta_##sname;         \
         static struct ftrace_event_call                                 \
         __attribute__((__aligned__(4))) event_exit_##sname;             \
         static struct ftrace_event_call __used                          \
diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h
index 4496322e28dd..609e8ca5f534 100644
--- a/include/linux/sysrq.h
+++ b/include/linux/sysrq.h
@@ -45,6 +45,7 @@ struct sysrq_key_op {
  */
 
 void handle_sysrq(int key, struct tty_struct *tty);
+void __handle_sysrq(int key, struct tty_struct *tty, int check_mask);
 int register_sysrq_key(int key, struct sysrq_key_op *op);
 int unregister_sysrq_key(int key, struct sysrq_key_op *op);
 struct sysrq_key_op *__sysrq_get_key_op(int key);
diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index c9a975976995..814f294d4cd0 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -29,6 +29,7 @@
  */
 
 #ifndef LINUX_VGA_H
+#define LINUX_VGA_H
 
 #include <asm/vga.h>