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[PATCH] Consolidate check_signature

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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>
This commit is contained in:
Matthew Wilcox
2006-10-11 01:22:02 -07:00
committed by Linus Torvalds
parent 53d5ed627d
commit e50190a834
13 changed files with 27 additions and 252 deletions
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17
include/asm-arm/io.h
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@@ -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)