[ARM] 3194/1: add pfn_to_kaddr macro for ARM take2
authorHiroki Kaminaga <kaminaga@sm.sony.co.jp>
Mon, 5 Dec 2005 10:55:00 +0000 (10:55 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 5 Dec 2005 10:55:00 +0000 (10:55 +0000)
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>
include/asm-arm/memory.h

index a547ee598c6c9f2e1fa8968fb96be1a9c9ee0712..3e572364ee73c665dbc2fd21a34e33d076e6363b 100644 (file)
@@ -122,6 +122,7 @@ static inline void *phys_to_virt(unsigned long x)
  */
 #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