sata_nv: don't read shadow registers when in ADMA mode
[powerpc.git] / include / asm-sh / io.h
index ed12d38..a0e55b0 100644 (file)
@@ -304,22 +304,6 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
 #define iounmap(addr)                                  \
        __iounmap((addr))
 
-static inline int check_signature(char __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;
-}
-
 /*
  * The caches on some architectures aren't dma-coherent and have need to
  * handle this in software.  There are three types of operations that