[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-ppc/io.h b/include/asm-ppc/io.h
index 3d9a9e6f3321..a4c411b753ef 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -439,22 +439,6 @@ extern inline void * phys_to_virt(unsigned long address)
 #define iobarrier_r()  eieio()
 #define iobarrier_w()  eieio()
 
-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;
-}
-
 /*
  * Here comes the ppc implementation of the IOMAP 
  * interfaces.