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authorMatthew Wilcox <matthew@wil.cx>2006-10-11 04:22:02 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-11 14:14:23 -0400
commite50190a8341485b413f599033cb74649f849d939 (patch)
treec45e165f8167dd95f3b5d4163433b91c8b7afd55 /include/asm-mips
parent53d5ed627df852ba8bab7f70df25290bd733792c (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.h26
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 */
574static 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;
586out:
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.