diff options
author | Matthew Wilcox <matthew@wil.cx> | 2006-10-11 04:22:02 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-11 14:14:23 -0400 |
commit | e50190a8341485b413f599033cb74649f849d939 (patch) | |
tree | c45e165f8167dd95f3b5d4163433b91c8b7afd55 /include/asm-mips | |
parent | 53d5ed627df852ba8bab7f70df25290bd733792c (diff) |
[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>
Diffstat (limited to 'include/asm-mips')
-rw-r--r-- | include/asm-mips/io.h | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index df624e1ee6e2..c2d124badbe5 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h | |||
@@ -562,32 +562,6 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *); | |||
562 | #define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len)) | 562 | #define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len)) |
563 | 563 | ||
564 | /* | 564 | /* |
565 | * check_signature - find BIOS signatures | ||
566 | * @io_addr: mmio address to check | ||
567 | * @signature: signature block | ||
568 | * @length: length of signature | ||
569 | * | ||
570 | * Perform a signature comparison with the mmio address io_addr. This | ||
571 | * address should have been obtained by ioremap. | ||
572 | * Returns 1 on a match. | ||
573 | */ | ||
574 | static inline int check_signature(char __iomem *io_addr, | ||
575 | const unsigned char *signature, int length) | ||
576 | { | ||
577 | int retval = 0; | ||
578 | do { | ||
579 | if (readb(io_addr) != *signature) | ||
580 | goto out; | ||
581 | io_addr++; | ||
582 | signature++; | ||
583 | length--; | ||
584 | } while (length); | ||
585 | retval = 1; | ||
586 | out: | ||
587 | return retval; | ||
588 | } | ||
589 | |||
590 | /* | ||
591 | * The caches on some architectures aren't dma-coherent and have need to | 565 | * The caches on some architectures aren't dma-coherent and have need to |
592 | * handle this in software. There are three types of operations that | 566 | * handle this in software. There are three types of operations that |
593 | * can be applied to dma buffers. | 567 | * can be applied to dma buffers. |