Revision 0a8da30dc7bd6828f42d9f0585367731f634a0c8 authored by Stefan Richter on 08 March 2008, 23:27:20 UTC, committed by Stefan Richter on 13 March 2008, 23:56:59 UTC
Remove some less necessary information, point out that video1394 and dv1394 should be blacklisted along with ohci1394. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
1 parent a2cdebe
check_signature.c
#include <linux/io.h>
#include <linux/module.h>
/**
* check_signature - find BIOS signatures
* @io_addr: mmio address to check
* @signature: signature block
* @length: length of signature
*
* Perform a signature comparison with the mmio address io_addr. This
* address should have been obtained by ioremap.
* Returns 1 on a match.
*/
int check_signature(const volatile void __iomem *io_addr,
const unsigned char *signature, int length)
{
while (length--) {
if (readb(io_addr) != *signature)
return 0;
io_addr++;
signature++;
}
return 1;
}
EXPORT_SYMBOL(check_signature);
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