Merge master.kernel.org:/home/rmk/linux-2.6-arm

19 files changed, 395 insertions, 414 deletions

diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index cbf2165476b0..ad6c89a555bb 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -33,8 +33,8 @@
 #include <asm/cacheflush.h>
 
 #undef DEBUG
-
 #undef STATS
+
 #ifdef STATS
 #define DO_STATS(X) do { X ; } while (0)
 #else
@@ -52,26 +52,31 @@ struct safe_buffer {
         int             direction;
 
         /* safe buffer info */
-        struct dma_pool *pool;
+        struct dmabounce_pool *pool;
         void            *safe;
         dma_addr_t      safe_dma_addr;
 };
 
+struct dmabounce_pool {
+        unsigned long   size;
+        struct dma_pool *pool;
+#ifdef STATS
+        unsigned long   allocs;
+#endif
+};
+
 struct dmabounce_device_info {
         struct list_head node;
 
         struct device *dev;
-        struct dma_pool *small_buffer_pool;
-        struct dma_pool *large_buffer_pool;
         struct list_head safe_buffers;
-        unsigned long small_buffer_size, large_buffer_size;
 #ifdef STATS
-        unsigned long sbp_allocs;
-        unsigned long lbp_allocs;
         unsigned long total_allocs;
         unsigned long map_op_count;
         unsigned long bounce_count;
 #endif
+        struct dmabounce_pool   small;
+        struct dmabounce_pool   large;
 };
 
 static LIST_HEAD(dmabounce_devs);
@@ -82,9 +87,9 @@ static void print_alloc_stats(struct dmabounce_device_info *device_info)
         printk(KERN_INFO
                 "%s: dmabounce: sbp: %lu, lbp: %lu, other: %lu, total: %lu\n",
                 device_info->dev->bus_id,
-                device_info->sbp_allocs, device_info->lbp_allocs,
-                device_info->total_allocs - device_info->sbp_allocs -
-                        device_info->lbp_allocs,
+                device_info->small.allocs, device_info->large.allocs,
+                device_info->total_allocs - device_info->small.allocs -
+                        device_info->large.allocs,
                 device_info->total_allocs);
 }
 #endif
@@ -106,18 +111,22 @@ find_dmabounce_dev(struct device *dev)
 /* allocate a 'safe' buffer and keep track of it */
 static inline struct safe_buffer *
 alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
-                        size_t size, enum dma_data_direction dir)
+                  size_t size, enum dma_data_direction dir)
 {
         struct safe_buffer *buf;
-        struct dma_pool *pool;
+        struct dmabounce_pool *pool;
         struct device *dev = device_info->dev;
-        void *safe;
-        dma_addr_t safe_dma_addr;
 
         dev_dbg(dev, "%s(ptr=%p, size=%d, dir=%d)\n",
                 __func__, ptr, size, dir);
 
-        DO_STATS ( device_info->total_allocs++ );
+        if (size <= device_info->small.size) {
+                pool = &device_info->small;
+        } else if (size <= device_info->large.size) {
+                pool = &device_info->large;
+        } else {
+                pool = NULL;
+        }
 
         buf = kmalloc(sizeof(struct safe_buffer), GFP_ATOMIC);
         if (buf == NULL) {
@@ -125,41 +134,35 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
                 return NULL;
         }
 
-        if (size <= device_info->small_buffer_size) {
-                pool = device_info->small_buffer_pool;
-                safe = dma_pool_alloc(pool, GFP_ATOMIC, &safe_dma_addr);
-
-                DO_STATS ( device_info->sbp_allocs++ );
-        } else if (size <= device_info->large_buffer_size) {
-                pool = device_info->large_buffer_pool;
-                safe = dma_pool_alloc(pool, GFP_ATOMIC, &safe_dma_addr);
+        buf->ptr = ptr;
+        buf->size = size;
+        buf->direction = dir;
+        buf->pool = pool;
 
-                DO_STATS ( device_info->lbp_allocs++ );
+        if (pool) {
+                buf->safe = dma_pool_alloc(pool->pool, GFP_ATOMIC,
+                                           &buf->safe_dma_addr);
         } else {
-                pool = NULL;
-                safe = dma_alloc_coherent(dev, size, &safe_dma_addr, GFP_ATOMIC);
+                buf->safe = dma_alloc_coherent(dev, size, &buf->safe_dma_addr,
+                                               GFP_ATOMIC);
         }
 
-        if (safe == NULL) {
-                dev_warn(device_info->dev,
-                        "%s: could not alloc dma memory (size=%d)\n",
-                       __func__, size);
+        if (buf->safe == NULL) {
+                dev_warn(dev,
+                         "%s: could not alloc dma memory (size=%d)\n",
+                         __func__, size);
                 kfree(buf);
                 return NULL;
         }
 
 #ifdef STATS
+        if (pool)
+                pool->allocs++;
+        device_info->total_allocs++;
         if (device_info->total_allocs % 1000 == 0)
                 print_alloc_stats(device_info);
 #endif
 
-        buf->ptr = ptr;
-        buf->size = size;
-        buf->direction = dir;
-        buf->pool = pool;
-        buf->safe = safe;
-        buf->safe_dma_addr = safe_dma_addr;
-
         list_add(&buf->node, &device_info->safe_buffers);
 
         return buf;
@@ -186,7 +189,7 @@ free_safe_buffer(struct dmabounce_device_info *device_info, struct safe_buffer *
         list_del(&buf->node);
 
         if (buf->pool)
-                dma_pool_free(buf->pool, buf->safe, buf->safe_dma_addr);
+                dma_pool_free(buf->pool->pool, buf->safe, buf->safe_dma_addr);
         else
                 dma_free_coherent(device_info->dev, buf->size, buf->safe,
                                     buf->safe_dma_addr);
@@ -197,12 +200,10 @@ free_safe_buffer(struct dmabounce_device_info *device_info, struct safe_buffer *
 /* ************************************************** */
 
 #ifdef STATS
-
 static void print_map_stats(struct dmabounce_device_info *device_info)
 {
-        printk(KERN_INFO
-                "%s: dmabounce: map_op_count=%lu, bounce_count=%lu\n",
-                device_info->dev->bus_id,
+        dev_info(device_info->dev,
+                "dmabounce: map_op_count=%lu, bounce_count=%lu\n",
                 device_info->map_op_count, device_info->bounce_count);
 }
 #endif
@@ -258,13 +259,13 @@ map_single(struct device *dev, void *ptr, size_t size,
                                 __func__, ptr, buf->safe, size);
                         memcpy(buf->safe, ptr, size);
                 }
-                consistent_sync(buf->safe, size, dir);
+                ptr = buf->safe;
 
                 dma_addr = buf->safe_dma_addr;
-        } else {
-                consistent_sync(ptr, size, dir);
         }
 
+        consistent_sync(ptr, size, dir);
+
         return dma_addr;
 }
 
@@ -278,7 +279,7 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
         /*
          * Trying to unmap an invalid mapping
          */
-        if (dma_addr == ~0) {
+        if (dma_mapping_error(dma_addr)) {
                 dev_err(dev, "Trying to unmap invalid mapping\n");
                 return;
         }
@@ -570,11 +571,25 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
         local_irq_restore(flags);
 }
 
+static int
+dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, const char *name,
+                    unsigned long size)
+{
+        pool->size = size;
+        DO_STATS(pool->allocs = 0);
+        pool->pool = dma_pool_create(name, dev, size,
+                                     0 /* byte alignment */,
+                                     0 /* no page-crossing issues */);
+
+        return pool->pool ? 0 : -ENOMEM;
+}
+
 int
 dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size,
                         unsigned long large_buffer_size)
 {
         struct dmabounce_device_info *device_info;
+        int ret;
 
         device_info = kmalloc(sizeof(struct dmabounce_device_info), GFP_ATOMIC);
         if (!device_info) {
@@ -584,45 +599,31 @@ dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size,
                 return -ENOMEM;
         }
 
-        device_info->small_buffer_pool =
-                dma_pool_create("small_dmabounce_pool",
-                                dev,
-                                small_buffer_size,
-                                0 /* byte alignment */,
-                                0 /* no page-crossing issues */);
-        if (!device_info->small_buffer_pool) {
-                printk(KERN_ERR
-                        "dmabounce: could not allocate small DMA pool for %s\n",
-                        dev->bus_id);
-                kfree(device_info);
-                return -ENOMEM;
+        ret = dmabounce_init_pool(&device_info->small, dev,
+                                  "small_dmabounce_pool", small_buffer_size);
+        if (ret) {
+                dev_err(dev,
+                        "dmabounce: could not allocate DMA pool for %ld byte objects\n",
+                        small_buffer_size);
+                goto err_free;
         }
 
         if (large_buffer_size) {
-                device_info->large_buffer_pool =
-                        dma_pool_create("large_dmabounce_pool",
-                                        dev,
-                                        large_buffer_size,
-                                        0 /* byte alignment */,
-                                        0 /* no page-crossing issues */);
-                if (!device_info->large_buffer_pool) {
-                printk(KERN_ERR
-                        "dmabounce: could not allocate large DMA pool for %s\n",
-                        dev->bus_id);
-                        dma_pool_destroy(device_info->small_buffer_pool);
-
-                        return -ENOMEM;
+                ret = dmabounce_init_pool(&device_info->large, dev,
+                                          "large_dmabounce_pool",
+                                          large_buffer_size);
+                if (ret) {
+                        dev_err(dev,
+                                "dmabounce: could not allocate DMA pool for %ld byte objects\n",
+                                large_buffer_size);
+                        goto err_destroy;
                 }
         }
 
         device_info->dev = dev;
-        device_info->small_buffer_size = small_buffer_size;
-        device_info->large_buffer_size = large_buffer_size;
         INIT_LIST_HEAD(&device_info->safe_buffers);
 
 #ifdef STATS
-        device_info->sbp_allocs = 0;
-        device_info->lbp_allocs = 0;
         device_info->total_allocs = 0;
         device_info->map_op_count = 0;
         device_info->bounce_count = 0;
@@ -634,6 +635,12 @@ dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size,
                 dev->bus_id, dev->bus->name);
 
         return 0;
+
+ err_destroy:
+        dma_pool_destroy(device_info->small.pool);
+ err_free:
+        kfree(device_info);
+        return ret;
 }
 
 void
@@ -655,10 +662,10 @@ dmabounce_unregister_dev(struct device *dev)
                 BUG();
         }
 
-        if (device_info->small_buffer_pool)
-                dma_pool_destroy(device_info->small_buffer_pool);
-        if (device_info->large_buffer_pool)
-                dma_pool_destroy(device_info->large_buffer_pool);
+        if (device_info->small.pool)
+                dma_pool_destroy(device_info->small.pool);
+        if (device_info->large.pool)
+                dma_pool_destroy(device_info->large.pool);
 
 #ifdef STATS
         print_alloc_stats(device_info);
diff --git a/arch/arm/configs/ixdp2400_defconfig b/arch/arm/configs/ixdp2400_defconfig
index 678720fa2e2e..ddeb9f99d662 100644
--- a/arch/arm/configs/ixdp2400_defconfig
+++ b/arch/arm/configs/ixdp2400_defconfig
@@ -559,7 +559,7 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=2
+CONFIG_SERIAL_8250_NR_UARTS=1
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
diff --git a/arch/arm/configs/ixdp2800_defconfig b/arch/arm/configs/ixdp2800_defconfig
index 261e2343903b..81d3a0606f95 100644
--- a/arch/arm/configs/ixdp2800_defconfig
+++ b/arch/arm/configs/ixdp2800_defconfig
@@ -559,7 +559,7 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=2
+CONFIG_SERIAL_8250_NR_UARTS=1
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 66e5a0516f23..45e9ea6cd2a5 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -198,25 +198,16 @@ void show_stack(struct task_struct *tsk, unsigned long *sp)
         barrier();
 }
 
-DEFINE_SPINLOCK(die_lock);
-
-/*
- * This function is protected against re-entrancy.
- */
-NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
+static void __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs)
 {
-        struct task_struct *tsk = current;
+        struct task_struct *tsk = thread->task;
         static int die_counter;
 
-        console_verbose();
-        spin_lock_irq(&die_lock);
-        bust_spinlocks(1);
-
         printk("Internal error: %s: %x [#%d]\n", str, err, ++die_counter);
         print_modules();
         __show_regs(regs);
         printk("Process %s (pid: %d, stack limit = 0x%p)\n",
-                tsk->comm, tsk->pid, tsk->thread_info + 1);
+                tsk->comm, tsk->pid, thread + 1);
 
         if (!user_mode(regs) || in_interrupt()) {
                 dump_mem("Stack: ", regs->ARM_sp,
@@ -224,7 +215,21 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
                 dump_backtrace(regs, tsk);
                 dump_instr(regs);
         }
+}
 
+DEFINE_SPINLOCK(die_lock);
+
+/*
+ * This function is protected against re-entrancy.
+ */
+NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
+{
+        struct thread_info *thread = current_thread_info();
+
+        console_verbose();
+        spin_lock_irq(&die_lock);
+        bust_spinlocks(1);
+        __die(str, err, thread, regs);
         bust_spinlocks(0);
         spin_unlock_irq(&die_lock);
         do_exit(SIGSEGV);
diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S
new file mode 100644
index 000000000000..561e20717b30
--- /dev/null
+++ b/arch/arm/lib/ashldi3.S
@@ -0,0 +1,48 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file 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, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+ENTRY(__ashldi3)
+
+        subs    r3, r2, #32
+        rsb     ip, r2, #32
+        movmi   ah, ah, lsl r2
+        movpl   ah, al, lsl r3
+        orrmi   ah, ah, al, lsr ip
+        mov     al, al, lsl r2
+        mov     pc, lr
+
diff --git a/arch/arm/lib/ashldi3.c b/arch/arm/lib/ashldi3.c
deleted file mode 100644
index b62875cfd8f8..000000000000
--- a/arch/arm/lib/ashldi3.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC 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, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-s64 __ashldi3(s64 u, int b)
-{
-        DIunion w;
-        int bm;
-        DIunion uu;
-
-        if (b == 0)
-                return u;
-
-        uu.ll = u;
-
-        bm = (sizeof(s32) * BITS_PER_UNIT) - b;
-        if (bm <= 0) {
-                w.s.low = 0;
-                w.s.high = (u32) uu.s.low << -bm;
-        } else {
-                u32 carries = (u32) uu.s.low >> bm;
-                w.s.low = (u32) uu.s.low << b;
-                w.s.high = ((u32) uu.s.high << b) | carries;
-        }
-
-        return w.ll;
-}
diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S
new file mode 100644
index 000000000000..86fb2a90c301
--- /dev/null
+++ b/arch/arm/lib/ashrdi3.S
@@ -0,0 +1,48 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file 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, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+ENTRY(__ashrdi3)
+
+        subs    r3, r2, #32
+        rsb     ip, r2, #32
+        movmi   al, al, lsr r2
+        movpl   al, ah, asr r3
+        orrmi   al, al, ah, lsl ip
+        mov     ah, ah, asr r2
+        mov     pc, lr
+
diff --git a/arch/arm/lib/ashrdi3.c b/arch/arm/lib/ashrdi3.c
deleted file mode 100644
index 9a8600a7543f..000000000000
--- a/arch/arm/lib/ashrdi3.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC 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, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-s64 __ashrdi3(s64 u, int b)
-{
-        DIunion w;
-        int bm;
-        DIunion uu;
-
-        if (b == 0)
-                return u;
-
-        uu.ll = u;
-
-        bm = (sizeof(s32) * BITS_PER_UNIT) - b;
-        if (bm <= 0) {
-                /* w.s.high = 1..1 or 0..0 */
-                w.s.high = uu.s.high >> (sizeof(s32) * BITS_PER_UNIT - 1);
-                w.s.low = uu.s.high >> -bm;
-        } else {
-                u32 carries = (u32) uu.s.high << bm;
-                w.s.high = uu.s.high >> b;
-                w.s.low = ((u32) uu.s.low >> b) | carries;
-        }
-
-        return w.ll;
-}
diff --git a/arch/arm/lib/gcclib.h b/arch/arm/lib/gcclib.h
deleted file mode 100644
index 8b6dcc656de7..000000000000
--- a/arch/arm/lib/gcclib.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* gcclib.h -- definitions for various functions 'borrowed' from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include <linux/types.h>
-
-#define BITS_PER_UNIT   8
-#define SI_TYPE_SIZE    (sizeof(s32) * BITS_PER_UNIT)
-
-#ifdef __ARMEB__
-struct DIstruct {
-        s32 high, low;
-};
-#else
-struct DIstruct {
-        s32 low, high;
-};
-#endif
-
-typedef union {
-        struct DIstruct s;
-        s64 ll;
-} DIunion;
diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S
new file mode 100644
index 000000000000..46c2ed19ec95
--- /dev/null
+++ b/arch/arm/lib/lshrdi3.S
@@ -0,0 +1,48 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file 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, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+ENTRY(__lshrdi3)
+
+        subs    r3, r2, #32
+        rsb     ip, r2, #32
+        movmi   al, al, lsr r2
+        movpl   al, ah, lsr r3
+        orrmi   al, al, ah, lsl ip
+        mov     ah, ah, lsr r2
+        mov     pc, lr
+
diff --git a/arch/arm/lib/lshrdi3.c b/arch/arm/lib/lshrdi3.c
deleted file mode 100644
index 3681f49d2b6e..000000000000
--- a/arch/arm/lib/lshrdi3.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC 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, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-s64 __lshrdi3(s64 u, int b)
-{
-        DIunion w;
-        int bm;
-        DIunion uu;
-
-        if (b == 0)
-                return u;
-
-        uu.ll = u;
-
-        bm = (sizeof(s32) * BITS_PER_UNIT) - b;
-        if (bm <= 0) {
-                w.s.high = 0;
-                w.s.low = (u32) uu.s.high >> -bm;
-        } else {
-                u32 carries = (u32) uu.s.high << bm;
-                w.s.high = (u32) uu.s.high >> b;
-                w.s.low = ((u32) uu.s.low >> b) | carries;
-        }
-
-        return w.ll;
-}
diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S
new file mode 100644
index 000000000000..c7fbdf005319
--- /dev/null
+++ b/arch/arm/lib/muldi3.S
@@ -0,0 +1,44 @@
+/*
+ *  linux/arch/arm/lib/muldi3.S
+ *
+ *  Author:     Nicolas Pitre
+ *  Created:    Oct 19, 2005
+ *  Copyright:  Monta Vista Software, Inc.
+ *
+ *  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.
+ */
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define xh r0
+#define xl r1
+#define yh r2
+#define yl r3
+#else
+#define xl r0
+#define xh r1
+#define yl r2
+#define yh r3
+#endif
+
+ENTRY(__muldi3)
+
+        mul     xh, yl, xh
+        mla     xh, xl, yh, xh
+        mov     ip, xl, asr #16
+        mov     yh, yl, asr #16
+        bic     xl, xl, ip, lsl #16
+        bic     yl, yl, yh, lsl #16
+        mla     xh, yh, ip, xh
+        mul     yh, xl, yh
+        mul     xl, yl, xl
+        mul     ip, yl, ip
+        adds    xl, xl, yh, lsl #16
+        adc     xh, xh, yh, lsr #16
+        adds    xl, xl, ip, lsl #16
+        adc     xh, xh, ip, lsr #16
+        mov     pc, lr
+
diff --git a/arch/arm/lib/muldi3.c b/arch/arm/lib/muldi3.c
deleted file mode 100644
index 0a3b93313f18..000000000000
--- a/arch/arm/lib/muldi3.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC 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, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-#define umul_ppmm(xh, xl, a, b) \
-{register u32 __t0, __t1, __t2;                                     \
-  __asm__ ("%@ Inlined umul_ppmm                                        \n\
-        mov     %2, %5, lsr #16                                         \n\
-        mov     %0, %6, lsr #16                                         \n\
-        bic     %3, %5, %2, lsl #16                                     \n\
-        bic     %4, %6, %0, lsl #16                                     \n\
-        mul     %1, %3, %4                                              \n\
-        mul     %4, %2, %4                                              \n\
-        mul     %3, %0, %3                                              \n\
-        mul     %0, %2, %0                                              \n\
-        adds    %3, %4, %3                                              \n\
-        addcs   %0, %0, #65536                                          \n\
-        adds    %1, %1, %3, lsl #16                                     \n\
-        adc     %0, %0, %3, lsr #16"                                    \
-           : "=&r" ((u32) (xh)),                                    \
-             "=r" ((u32) (xl)),                                     \
-             "=&r" (__t0), "=&r" (__t1), "=r" (__t2)                    \
-           : "r" ((u32) (a)),                                       \
-             "r" ((u32) (b)));}
-
-#define __umulsidi3(u, v) \
-  ({DIunion __w;                                                        \
-    umul_ppmm (__w.s.high, __w.s.low, u, v);                            \
-    __w.ll; })
-
-s64 __muldi3(s64 u, s64 v)
-{
-        DIunion w;
-        DIunion uu, vv;
-
-        uu.ll = u, vv.ll = v;
-
-        w.ll = __umulsidi3(uu.s.low, vv.s.low);
-        w.s.high += ((u32) uu.s.low * (u32) vv.s.high
-                     + (u32) uu.s.high * (u32) vv.s.low);
-
-        return w.ll;
-}
diff --git a/arch/arm/lib/ucmpdi2.S b/arch/arm/lib/ucmpdi2.S
new file mode 100644
index 000000000000..112630f93e5d
--- /dev/null
+++ b/arch/arm/lib/ucmpdi2.S
@@ -0,0 +1,35 @@
+/*
+ *  linux/arch/arm/lib/ucmpdi2.S
+ *
+ *  Author:     Nicolas Pitre
+ *  Created:    Oct 19, 2005
+ *  Copyright:  Monta Vista Software, Inc.
+ *
+ *  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.
+ */
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define xh r0
+#define xl r1
+#define yh r2
+#define yl r3
+#else
+#define xl r0
+#define xh r1
+#define yl r2
+#define yh r3
+#endif
+
+ENTRY(__ucmpdi2)
+
+        cmp     xh, yh
+        cmpeq   xl, yl
+        movlo   r0, #0
+        moveq   r0, #1
+        movhi   r0, #2
+        mov     pc, lr
+
diff --git a/arch/arm/lib/ucmpdi2.c b/arch/arm/lib/ucmpdi2.c
deleted file mode 100644
index 57f3f2df3850..000000000000
--- a/arch/arm/lib/ucmpdi2.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC 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, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-int __ucmpdi2(s64 a, s64 b)
-{
-        DIunion au, bu;
-
-        au.ll = a, bu.ll = b;
-
-        if ((u32) au.s.high < (u32) bu.s.high)
-                return 0;
-        else if ((u32) au.s.high > (u32) bu.s.high)
-                return 2;
-        if ((u32) au.s.low < (u32) bu.s.low)
-                return 0;
-        else if ((u32) au.s.low > (u32) bu.s.low)
-                return 2;
-        return 1;
-}
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 60c8b9d8bb9c..656f73bbcb5a 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -33,6 +33,7 @@
 
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/irq.h>
+#include <asm/arch/irda.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
 #include <asm/arch/corgi.h>
@@ -224,6 +225,22 @@ static struct pxamci_platform_data corgi_mci_platform_data = {
 };
 
 
+/*
+ * Irda
+ */
+static void corgi_irda_transceiver_mode(struct device *dev, int mode)
+{
+        if (mode & IR_OFF)
+                GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
+        else
+                GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
+}
+
+static struct pxaficp_platform_data corgi_ficp_platform_data = {
+        .transceiver_cap  = IR_SIRMODE | IR_OFF,
+        .transceiver_mode = corgi_irda_transceiver_mode,
+};
+
 
 /*
  * USB Device Controller
@@ -269,10 +286,13 @@ static void __init corgi_init(void)
 
         corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
 
+        pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
         pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
         pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
+
         pxa_set_udc_info(&udc_info);
         pxa_set_mci_info(&corgi_mci_platform_data);
+        pxa_set_ficp_info(&corgi_ficp_platform_data);
 
         scoop_num = 1;
         scoop_devs = &corgi_pcmcia_scoop[0];
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index f25638810017..6d413f6701a7 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -32,6 +32,7 @@
 #include <asm/arch/irq.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
+#include <asm/arch/irda.h>
 #include <asm/arch/poodle.h>
 #include <asm/arch/pxafb.h>
 
@@ -152,6 +153,24 @@ static struct pxamci_platform_data poodle_mci_platform_data = {
 
 
 /*
+ * Irda
+ */
+static void poodle_irda_transceiver_mode(struct device *dev, int mode)
+{
+        if (mode & IR_OFF) {
+                GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
+        } else {
+                GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
+        }
+}
+
+static struct pxaficp_platform_data poodle_ficp_platform_data = {
+        .transceiver_cap  = IR_SIRMODE | IR_OFF,
+        .transceiver_mode = poodle_irda_transceiver_mode,
+};
+
+
+/*
  * USB Device Controller
  */
 static void poodle_udc_command(int cmd)
@@ -244,8 +263,10 @@ static void __init poodle_init(void)
 
         set_pxa_fb_info(&poodle_fb_info);
         pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
+        pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
         pxa_set_udc_info(&udc_info);
         pxa_set_mci_info(&poodle_mci_platform_data);
+        pxa_set_ficp_info(&poodle_ficp_platform_data);
 
         scoop_num = 1;
         scoop_devs = &poodle_pcmcia_scoop[0];
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index d0ab428c2d7d..b838842b6a20 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -34,6 +34,7 @@
 
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/irq.h>
+#include <asm/arch/irda.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
 #include <asm/arch/pxafb.h>
@@ -277,6 +278,23 @@ static struct pxamci_platform_data spitz_mci_platform_data = {
 
 
 /*
+ * Irda
+ */
+static void spitz_irda_transceiver_mode(struct device *dev, int mode)
+{
+        if (mode & IR_OFF)
+                set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
+        else
+                reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
+}
+
+static struct pxaficp_platform_data spitz_ficp_platform_data = {
+        .transceiver_cap  = IR_SIRMODE | IR_OFF,
+        .transceiver_mode = spitz_irda_transceiver_mode,
+};
+
+
+/*
  * Spitz PXA Framebuffer
  */
 static struct pxafb_mach_info spitz_pxafb_info __initdata = {
@@ -326,6 +344,7 @@ static void __init common_init(void)
 
         platform_add_devices(devices, ARRAY_SIZE(devices));
         pxa_set_mci_info(&spitz_mci_platform_data);
+        pxa_set_ficp_info(&spitz_ficp_platform_data);
         set_pxa_fb_parent(&spitzssp_device.dev);
         set_pxa_fb_info(&spitz_pxafb_info);
 }
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 27d041574ea7..269ce6913ee9 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -22,9 +22,7 @@
 #endif
 
 #define from_address    (0xffff8000)
-#define from_pgprot     PAGE_KERNEL
 #define to_address      (0xffffc000)
-#define to_pgprot       PAGE_KERNEL
 
 #define TOP_PTE(x)      pte_offset_kernel(top_pmd, x)
 
@@ -34,7 +32,7 @@ static DEFINE_SPINLOCK(v6_lock);
  * Copy the user page.  No aliasing to deal with so we can just
  * attack the kernel's existing mapping of these pages.
  */
-void v6_copy_user_page_nonaliasing(void *kto, const void *kfrom, unsigned long vaddr)
+static void v6_copy_user_page_nonaliasing(void *kto, const void *kfrom, unsigned long vaddr)
 {
         copy_page(kto, kfrom);
 }
@@ -43,7 +41,7 @@ void v6_copy_user_page_nonaliasing(void *kto, const void *kfrom, unsigned long v
  * Clear the user page.  No aliasing to deal with so we can just
  * attack the kernel's existing mapping of this page.
  */
-void v6_clear_user_page_nonaliasing(void *kaddr, unsigned long vaddr)
+static void v6_clear_user_page_nonaliasing(void *kaddr, unsigned long vaddr)
 {
         clear_page(kaddr);
 }
@@ -51,7 +49,7 @@ void v6_clear_user_page_nonaliasing(void *kaddr, unsigned long vaddr)
 /*
  * Copy the page, taking account of the cache colour.
  */
-void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vaddr)
+static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vaddr)
 {
         unsigned int offset = CACHE_COLOUR(vaddr);
         unsigned long from, to;
@@ -72,8 +70,8 @@ void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vadd
          */
         spin_lock(&v6_lock);
 
-        set_pte(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, from_pgprot));
-        set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, to_pgprot));
+        set_pte(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, PAGE_KERNEL));
+        set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, PAGE_KERNEL));
 
         from = from_address + (offset << PAGE_SHIFT);
         to   = to_address + (offset << PAGE_SHIFT);
@@ -91,7 +89,7 @@ void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vadd
  * so remap the kernel page into the same cache colour as the user
  * page.
  */
-void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr)
+static void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr)
 {
         unsigned int offset = CACHE_COLOUR(vaddr);
         unsigned long to = to_address + (offset << PAGE_SHIFT);
@@ -112,7 +110,7 @@ void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr)
          */
         spin_lock(&v6_lock);
 
-        set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, to_pgprot));
+        set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, PAGE_KERNEL));
         flush_tlb_kernel_page(to);
         clear_page((void *)to);