[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, 13 deletions

diff --git a/include/asm-alpha/io.h b/include/asm-alpha/io.h
index f5ae98c25d1f..5d15af24573b 100644
--- a/include/asm-alpha/io.h
+++ b/include/asm-alpha/io.h
@@ -533,19 +533,6 @@ extern void outsl (unsigned long port, const void *src, unsigned long count);
 #define eth_io_copy_and_sum(skb,src,len,unused) \
   memcpy_fromio((skb)->data,src,len)
 
-static inline int
-check_signature(const volatile void __iomem *io_addr,
-                const unsigned char *signature, int length)
-{
-        do {
-                if (readb(io_addr) != *signature)
-                        return 0;
-                io_addr++;
-                signature++;
-        } while (--length);
-        return 1;
-}
-
 /*
  * The Alpha Jensen hardware for some rather strange reason puts
  * the RTC clock at 0x170 instead of 0x70. Probably due to some