[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-sh/io.h b/include/asm-sh/io.h
index ed12d38e8c0..a0e55b09e4f 100644
--- a/include/asm-sh/io.h
+++ b/include/asm-sh/io.h
@@ -304,22 +304,6 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
 #define iounmap(addr)                                   \
         __iounmap((addr))
 
-static inline int check_signature(char __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