Blackfin arch: add proper const volatile to addr argument to the read functions
authorMike Frysinger <michael.frysinger@analog.com>
Thu, 21 Jun 2007 03:34:16 +0000 (11:34 +0800)
committerBryan Wu <bryan.wu@analog.com>
Thu, 21 Jun 2007 03:34:16 +0000 (11:34 +0800)
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
include/asm-blackfin/io.h

index eac8bcaf64c290dbaa259b5a874ca5b07d0f7a81..142cb333db29830b3b5740ef8eb36229db9a56af 100644 (file)
@@ -20,7 +20,7 @@
  */
 #ifndef __ASSEMBLY__
 
-static inline unsigned char readb(void __iomem *addr)
+static inline unsigned char readb(const volatile void __iomem *addr)
 {
        unsigned int val;
        int tmp;
@@ -35,7 +35,7 @@ static inline unsigned char readb(void __iomem *addr)
        return (unsigned char) val;
 }
 
-static inline unsigned short readw(void __iomem *addr)
+static inline unsigned short readw(const volatile void __iomem *addr)
 {
        unsigned int val;
        int tmp;
@@ -50,7 +50,7 @@ static inline unsigned short readw(void __iomem *addr)
        return (unsigned short) val;
 }
 
-static inline unsigned int readl(void __iomem *addr)
+static inline unsigned int readl(const volatile void __iomem *addr)
 {
        unsigned int val;
        int tmp;