[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, 15 deletions

diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h
index 0056770e83ad..30b912d8e8bc 100644
--- a/include/asm-sparc64/io.h
+++ b/include/asm-sparc64/io.h
@@ -440,21 +440,6 @@ _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
 
 #define memcpy_toio(d,s,sz)     _memcpy_toio(d,s,sz)
 
-static inline int check_signature(void __iomem *io_addr,
-                                  const unsigned char *signature,
-                                  int length)
-{
-        int retval = 0;
-        do {
-                if (readb(io_addr) != *signature++)
-                        goto out;
-                io_addr++;
-        } while (--length);
-        retval = 1;
-out:
-        return retval;
-}
-
 #define mmiowb()
 
 #ifdef __KERNEL__