6 files changed, 27 insertions, 1 deletions

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c4ed9f93f646..5bd7c89a6045 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -736,6 +736,12 @@ config NEEDS_SYSCALL_FOR_CMPXCHG
 config OUTER_CACHE
         bool
 
+config OUTER_CACHE_SYNC
+        bool
+        help
+          The outer cache has a outer_cache_fns.sync function pointer
+          that can be used to drain the write buffer of the outer cache.
+
 config CACHE_FEROCEON_L2
         bool "Enable the Feroceon L2 cache controller"
         depends on ARCH_KIRKWOOD || ARCH_MV78XX0
@@ -757,6 +763,7 @@ config CACHE_L2X0
                    REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || ARCH_NOMADIK || ARCH_OMAP4
         default y
         select OUTER_CACHE
+        select OUTER_CACHE_SYNC
         help
           This option enables the L2x0 PrimeCell.
 
@@ -781,3 +788,9 @@ config ARM_L1_CACHE_SHIFT
         int
         default 6 if ARM_L1_CACHE_SHIFT_6
         default 5
+
+config ARCH_HAS_BARRIERS
+        bool
+        help
+          This option allows the use of custom mandatory barriers
+          included via the mach/barriers.h file.
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 07334632d3e2..21ad68ba22ba 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -93,6 +93,15 @@ static inline void l2x0_flush_line(unsigned long addr)
 }
 #endif
 
+static void l2x0_cache_sync(void)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&l2x0_lock, flags);
+        cache_sync();
+        spin_unlock_irqrestore(&l2x0_lock, flags);
+}
+
 static inline void l2x0_inv_all(void)
 {
         unsigned long flags;
@@ -225,6 +234,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
         outer_cache.inv_range = l2x0_inv_range;
         outer_cache.clean_range = l2x0_clean_range;
         outer_cache.flush_range = l2x0_flush_range;
+        outer_cache.sync = l2x0_cache_sync;
 
         printk(KERN_INFO "L2X0 cache controller enabled\n");
 }
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 0da7eccf7749..1351edc0b26f 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -11,7 +11,7 @@
  */
 #include <linux/module.h>
 #include <linux/mm.h>
-#include <linux/slab.h>
+#include <linux/gfp.h>
 #include <linux/errno.h>
 #include <linux/list.h>
 #include <linux/init.h>
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index c9b97e9836a2..0d414c28eb2c 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -16,6 +16,7 @@
 #include <linux/vmalloc.h>
 #include <linux/init.h>
 #include <linux/pagemap.h>
+#include <linux/gfp.h>
 
 #include <asm/bugs.h>
 #include <asm/cacheflush.h>
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 7829cb5425f5..83db12a68d56 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -17,6 +17,7 @@
 #include <linux/initrd.h>
 #include <linux/sort.h>
 #include <linux/highmem.h>
+#include <linux/gfp.h>
 
 #include <asm/mach-types.h>
 #include <asm/sections.h>
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index 2690146161ba..be5f58e153bf 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -8,6 +8,7 @@
  * published by the Free Software Foundation.
  */
 #include <linux/mm.h>
+#include <linux/gfp.h>
 #include <linux/highmem.h>
 
 #include <asm/pgalloc.h>