[PATCH] frv: Add missing qualifier to memcpy_fromio() prototype

The memcpy_fromio() function should have a const qualifier on its source
pointer.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-frv/io.h

@@ -116,7 +116,7 @@ static inline void memset_io(volatile void __iomem *addr, unsigned char val, int
 	memset((void __force *) addr, val, count);
 }
 
-static inline void memcpy_fromio(void *dst, volatile void __iomem *src, int count)
+static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
 {
 	memcpy(dst, (void __force *) src, count);
 }