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[PATCH] Consolidate check_signature

Browse source 
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 <[email protected]>
Acked-by: Alan Cox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Matthew Wilcox 2006-10-11 01:22:02 -07:00 • committed by Linus Torvalds
commit e50190a834
13 changed files with 27 additions and 252 deletions
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15
include/asm-sparc64/io.h
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@ -440,21 +440,6 @@ _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
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++;
} while (--length);
retval = 1;
out:
return retval;
}
#define mmiowb()
#ifdef __KERNEL__