1 files changed, 12 insertions, 4 deletions

diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
index afa5c3ea077c..209289407595 100644
--- a/include/asm-arm/memory.h
+++ b/include/asm-arm/memory.h
@@ -172,10 +172,10 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
  *  virt_addr_valid(k)  indicates whether a virtual address is valid
  */
 #ifndef CONFIG_DISCONTIGMEM
-#define ARCH_PFN_OFFSET         (PHYS_PFN_OFFSET)
+#define ARCH_PFN_OFFSET         PHYS_PFN_OFFSET
 #define pfn_valid(pfn)          ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
 
-#define virt_to_page(kaddr)     (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
+#define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define virt_addr_valid(kaddr)  ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
 
 #define PHYS_TO_NID(addr)       (0)
@@ -187,8 +187,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
  * around in memory.
  */
 #include <linux/numa.h>
-#define arch_pfn_to_nid(pfn)    (PFN_TO_NID(pfn))
-#define arch_local_page_offset(pfn, nid) (LOCAL_MAP_NR((pfn) << PAGE_OFFSET))
+#define arch_pfn_to_nid(pfn)    PFN_TO_NID(pfn)
+#define arch_local_page_offset(pfn, nid) LOCAL_MAP_NR((pfn) << PAGE_SHIFT)
 
 #define pfn_valid(pfn)                                          \
         ({                                                      \
@@ -234,6 +234,14 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
 #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.
+ */
+#ifndef arch_is_coherent
+#define arch_is_coherent()              0
+#endif
+
 #endif
 
 #include <asm-generic/memory_model.h>