[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, 17 deletions

diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 34aaaac4f617..ae999fd5dc67 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -193,23 +193,6 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
 #define eth_io_copy_and_sum(s,c,l,b) \
                                 eth_copy_and_sum((s),__mem_pci(c),(l),(b))
 
-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++;
-                signature++;
-                length--;
-        } while (length);
-        retval = 1;
-out:
-        return retval;
-}
-
 #elif !defined(readb)
 
 #define readb(c)                        (__readwrite_bug("readb"),0)