[PATCH] Consolidate check_signature

There's nothing arch-specific about check_signature(), so move it to
<linux/io.h>.  Use a cross between the Alpha and i386 implementations as
the generic one.

Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 16 deletions

diff --git a/include/asm-sh64/io.h b/include/asm-sh64/io.h
index 252fedbb662..14d8e7b4bf4 100644
--- a/include/asm-sh64/io.h
+++ b/include/asm-sh64/io.h
@@ -178,22 +178,6 @@ extern void iounmap(void *addr);
 unsigned long onchip_remap(unsigned long addr, unsigned long size, const char* name);
 extern void onchip_unmap(unsigned long vaddr);
 
-static __inline__ int check_signature(volatile void __iomem *io_addr,
-                        const unsigned char *signature, int length)
-{
-        int retval = 0;
-        do {
-                if (readb(io_addr) != *signature)
-                        goto out;
-                io_addr++;
-                signature++;
-                length--;
-        } while (length);
-        retval = 1;
-out:
-        return retval;
-}
-
 /*
  * The caches on some architectures aren't dma-coherent and have need to
  * handle this in software.  There are three types of operations that