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Diffstat (limited to 'include/asm-x86_64/io.h')
-rw-r--r--include/asm-x86_64/io.h27
1 files changed, 0 insertions, 27 deletions
diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h
index 70e91fe7634..6ee9fadaaac 100644
--- a/include/asm-x86_64/io.h
+++ b/include/asm-x86_64/io.h
@@ -254,33 +254,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
#define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void *)(b),(c),(d))
-/**
- * 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.
- */
-
-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++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
-}
-
/* Nothing to do */
#define dma_cache_inv(_start,_size) do { } while (0)