8 files changed, 103 insertions, 51 deletions

diff --git a/arch/arm/include/asm/byteorder.h b/arch/arm/include/asm/byteorder.h
index 4fbfb22f65a0..d04a7a2bc2e9 100644
--- a/arch/arm/include/asm/byteorder.h
+++ b/arch/arm/include/asm/byteorder.h
@@ -18,7 +18,15 @@
 #include <linux/compiler.h>
 #include <asm/types.h>
 
-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+#ifdef __ARMEB__
+# define __BIG_ENDIAN
+#else
+# define __LITTLE_ENDIAN
+#endif
+
+#define __SWAB_64_THRU_32__
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
 {
         __u32 t;
 
@@ -40,19 +48,8 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
 
         return x;
 }
+#define __arch_swab32 __arch_swab32
 
-#define __arch__swab32(x) ___arch__swab32(x)
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-#  define __BYTEORDER_HAS_U64__
-#  define __SWAB_64_THRU_32__
-#endif
-
-#ifdef __ARMEB__
-#include <linux/byteorder/big_endian.h>
-#else
-#include <linux/byteorder/little_endian.h>
-#endif
+#include <linux/byteorder.h>
 
 #endif
-
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 45329fca1b64..7b95d2058395 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -3,11 +3,48 @@
 
 #ifdef __KERNEL__
 
-#include <linux/mm.h> /* need struct page */
-
+#include <linux/mm_types.h>
 #include <linux/scatterlist.h>
 
 #include <asm-generic/dma-coherent.h>
+#include <asm/memory.h>
+
+/*
+ * page_to_dma/dma_to_virt/virt_to_dma are architecture private functions
+ * used internally by the DMA-mapping API to provide DMA addresses. They
+ * must not be used by drivers.
+ */
+#ifndef __arch_page_to_dma
+static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
+{
+        return (dma_addr_t)__virt_to_bus((unsigned long)page_address(page));
+}
+
+static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
+{
+        return (void *)__bus_to_virt(addr);
+}
+
+static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
+{
+        return (dma_addr_t)__virt_to_bus((unsigned long)(addr));
+}
+#else
+static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
+{
+        return __arch_page_to_dma(dev, page);
+}
+
+static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
+{
+        return __arch_dma_to_virt(dev, addr);
+}
+
+static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
+{
+        return __arch_virt_to_dma(dev, addr);
+}
+#endif
 
 /*
  * DMA-consistent mapping functions.  These allocate/free a region of
@@ -169,7 +206,7 @@ dma_map_single(struct device *dev, void *cpu_addr, size_t size,
         if (!arch_is_coherent())
                 dma_cache_maint(cpu_addr, size, dir);
 
-        return virt_to_dma(dev, (unsigned long)cpu_addr);
+        return virt_to_dma(dev, cpu_addr);
 }
 #else
 extern dma_addr_t dma_map_single(struct device *,void *, size_t, enum dma_data_direction);
@@ -195,7 +232,7 @@ dma_map_page(struct device *dev, struct page *page,
              unsigned long offset, size_t size,
              enum dma_data_direction dir)
 {
-        return dma_map_single(dev, page_address(page) + offset, size, (int)dir);
+        return dma_map_single(dev, page_address(page) + offset, size, dir);
 }
 
 /**
@@ -241,7 +278,7 @@ static inline void
 dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size,
                enum dma_data_direction dir)
 {
-        dma_unmap_single(dev, handle, size, (int)dir);
+        dma_unmap_single(dev, handle, size, dir);
 }
 
 /**
@@ -314,11 +351,12 @@ extern void dma_unmap_sg(struct device *, struct scatterlist *, int, enum dma_da
 
 
 /**
- * dma_sync_single_for_cpu
+ * dma_sync_single_range_for_cpu
  * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
  * @handle: DMA address of buffer
- * @size: size of buffer to map
- * @dir: DMA transfer direction
+ * @offset: offset of region to start sync
+ * @size: size of region to sync
+ * @dir: DMA transfer direction (same as passed to dma_map_single)
  *
  * Make physical memory consistent for a single streaming mode DMA
  * translation after a transfer.
@@ -332,25 +370,41 @@ extern void dma_unmap_sg(struct device *, struct scatterlist *, int, enum dma_da
  */
 #ifndef CONFIG_DMABOUNCE
 static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
-                        enum dma_data_direction dir)
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t handle,
+                              unsigned long offset, size_t size,
+                              enum dma_data_direction dir)
 {
         if (!arch_is_coherent())
-                dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir);
+                dma_cache_maint(dma_to_virt(dev, handle) + offset, size, dir);
 }
 
 static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
-                           enum dma_data_direction dir)
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t handle,
+                                 unsigned long offset, size_t size,
+                                 enum dma_data_direction dir)
 {
         if (!arch_is_coherent())
-                dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir);
+                dma_cache_maint(dma_to_virt(dev, handle) + offset, size, dir);
 }
 #else
-extern void dma_sync_single_for_cpu(struct device*, dma_addr_t, size_t, enum dma_data_direction);
-extern void dma_sync_single_for_device(struct device*, dma_addr_t, size_t, enum dma_data_direction);
+extern void dma_sync_single_range_for_cpu(struct device *, dma_addr_t, unsigned long, size_t, enum dma_data_direction);
+extern void dma_sync_single_range_for_device(struct device *, dma_addr_t, unsigned long, size_t, enum dma_data_direction);
 #endif
 
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
+                        enum dma_data_direction dir)
+{
+        dma_sync_single_range_for_cpu(dev, handle, 0, size, dir);
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
+                           enum dma_data_direction dir)
+{
+        dma_sync_single_range_for_device(dev, handle, 0, size, dir);
+}
+
 
 /**
  * dma_sync_sg_for_cpu
diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h
index c8986bb99ed5..df15a0dc228e 100644
--- a/arch/arm/include/asm/kexec.h
+++ b/arch/arm/include/asm/kexec.h
@@ -10,7 +10,7 @@
 /* Maximum address we can use for the control code buffer */
 #define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
 
-#define KEXEC_CONTROL_CODE_SIZE 4096
+#define KEXEC_CONTROL_PAGE_SIZE 4096
 
 #define KEXEC_ARCH KEXEC_ARCH_ARM
 
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 1e070a2b561a..bf7c737c9226 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -150,6 +150,14 @@
 #endif
 
 /*
+ * Amount of memory reserved for the vmalloc() area, and minimum
+ * address for vmalloc mappings.
+ */
+extern unsigned long vmalloc_reserve;
+
+#define VMALLOC_MIN             (void *)(VMALLOC_END - vmalloc_reserve)
+
+/*
  * PFNs are used to describe any physical page; this means
  * PFN 0 == physical address 0.
  *
@@ -306,20 +314,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
 #define page_to_phys(page)      (page_to_pfn(page) << PAGE_SHIFT)
 
 /*
- * Optional device DMA address remapping. Do _not_ use directly!
- * We should really eliminate virt_to_bus() here - it's deprecated.
- */
-#ifndef __arch_page_to_dma
-#define page_to_dma(dev, page)          ((dma_addr_t)__virt_to_bus((unsigned long)page_address(page)))
-#define dma_to_virt(dev, addr)          ((void *)__bus_to_virt(addr))
-#define virt_to_dma(dev, addr)          ((dma_addr_t)__virt_to_bus((unsigned long)(addr)))
-#else
-#define page_to_dma(dev, page)          (__arch_page_to_dma(dev, page))
-#define dma_to_virt(dev, addr)          (__arch_dma_to_virt(dev, addr))
-#define virt_to_dma(dev, addr)          (__arch_virt_to_dma(dev, addr))
-#endif
-
-/*
  * Optional coherency support.  Currently used only by selected
  * Intel XSC3-based systems.
  */
diff --git a/arch/arm/include/asm/mtd-xip.h b/arch/arm/include/asm/mtd-xip.h
index 4225372a26f3..d8fbe2d9b8b9 100644
--- a/arch/arm/include/asm/mtd-xip.h
+++ b/arch/arm/include/asm/mtd-xip.h
@@ -10,8 +10,6 @@
  * 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.
- *
- * $Id: xip.h,v 1.2 2004/12/01 15:49:10 nico Exp $
  */
 
 #ifndef __ARM_MTD_XIP_H__
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index b01d5e7e3d5a..517a4d6ffc74 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -112,9 +112,9 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 static inline void prefetch(const void *ptr)
 {
         __asm__ __volatile__(
-                "pld\t%0"
+                "pld\t%a0"
                 :
-                : "o" (*(char *)ptr)
+                : "p" (ptr)
                 : "cc");
 }
 
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index 0d0d40f1b599..b543a054a17e 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -54,6 +54,7 @@
  *        v4wbi - ARMv4 with write buffer with I TLB flush entry instruction
  *        fr    - Feroceon (v4wbi with non-outer-cacheable page table walks)
  *        v6wbi - ARMv6 with write buffer with I TLB flush entry instruction
+ *        v7wbi - identical to v6wbi
  */
 #undef _TLB
 #undef MULTI_TLB
@@ -266,14 +267,16 @@ extern struct cpu_tlb_fns cpu_tlb;
                                  v4wbi_possible_flags | \
                                  fr_possible_flags | \
                                  v4wb_possible_flags | \
-                                 v6wbi_possible_flags)
+                                 v6wbi_possible_flags | \
+                                 v7wbi_possible_flags)
 
 #define always_tlb_flags        (v3_always_flags & \
                                  v4_always_flags & \
                                  v4wbi_always_flags & \
                                  fr_always_flags & \
                                  v4wb_always_flags & \
-                                 v6wbi_always_flags)
+                                 v6wbi_always_flags & \
+                                 v7wbi_always_flags)
 
 #define tlb_flag(f)     ((always_tlb_flags & (f)) || (__tlb_flag & possible_tlb_flags & (f)))
 
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index f95fbb2fcb5f..010618487cf1 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -381,6 +381,12 @@
 #define __NR_fallocate                  (__NR_SYSCALL_BASE+352)
 #define __NR_timerfd_settime            (__NR_SYSCALL_BASE+353)
 #define __NR_timerfd_gettime            (__NR_SYSCALL_BASE+354)
+#define __NR_signalfd4                  (__NR_SYSCALL_BASE+355)
+#define __NR_eventfd2                   (__NR_SYSCALL_BASE+356)
+#define __NR_epoll_create1              (__NR_SYSCALL_BASE+357)
+#define __NR_dup3                       (__NR_SYSCALL_BASE+358)
+#define __NR_pipe2                      (__NR_SYSCALL_BASE+359)
+#define __NR_inotify_init1              (__NR_SYSCALL_BASE+360)
 
 /*
  * The following SWIs are ARM private.