[ARM] 3194/1: add pfn_to_kaddr macro for ARM take2
Patch from Hiroki Kaminaga
This patch defines a new macro: pfn_to_kaddr(pfn).
Same macro is already defined on other arch, such as i386.
Signed-off-by: Hiroki Kaminaga <kaminaga@sm.sony.co.jp>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
index a547ee5..3e57236 100644
--- a/include/asm-arm/memory.h
+++ b/include/asm-arm/memory.h
@@ -122,6 +122,7 @@
*/
#define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((unsigned long)(x)))
+#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
/*
* Virtual <-> DMA view memory address translations