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Diffstat (limited to 'include/asm-arm/memory.h')
-rw-r--r--include/asm-arm/memory.h16
1 files changed, 12 insertions, 4 deletions
diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
index afa5c3ea077..20928940759 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>