This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / include / asm-i386 / io.h

diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h
index 479e976..083e3b8 100644 (file)
--- a/include/asm-i386/io.h
+++ b/include/asm-i386/io.h
@@ -178,13 +178,11 @@ static inline void writel(unsigned int b, volatile void __iomem *addr)
 #define __raw_writew writew
 #define __raw_writel writel
 
-#define mmiowb()
-
 static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count)
 {
        memset((void __force *) addr, val, count);
 }
-static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
+static inline void memcpy_fromio(void *dst, volatile void __iomem *src, int count)
 {
        __memcpy(dst, (void __force *) src, count);
 }
@@ -248,6 +246,36 @@ out:
        return retval;
 }
 
+/**
+ *     isa_check_signature             -       find BIOS signatures
+ *     @io_addr: mmio address to check 
+ *     @signature:  signature block
+ *     @length: length of signature
+ *
+ *     Perform a signature comparison with the ISA mmio address io_addr.
+ *     Returns 1 on a match.
+ *
+ *     This function is deprecated. New drivers should use ioremap and
+ *     check_signature.
+ */
+ 
+
+static inline int isa_check_signature(unsigned long io_addr,
+       const unsigned char *signature, int length)
+{
+       int retval = 0;
+       do {
+               if (isa_readb(io_addr) != *signature)
+                       goto out;
+               io_addr++;
+               signature++;
+               length--;
+       } while (length);
+       retval = 1;
+out:
+       return retval;
+}
+
 /*
  *     Cache management
  *