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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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21
include/asm-frv/io.h
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@ -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 */