[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, 21 deletions

diff --git a/include/asm-frv/io.h b/include/asm-frv/io.h
index 7765f5528894..20e44fe00abf 100644
--- a/include/asm-frv/io.h
+++ b/include/asm-frv/io.h
@@ -385,27 +385,6 @@ static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p)
  */
 #define xlate_dev_kmem_ptr(p)   p
 
-/*
- * Check BIOS signature
- */
-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;
-}
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_IO_H */