Blackfin arch: cleanup IO and DMA_IO API function definitions according to other...

[cascardo/linux.git] / include / asm-blackfin / io.h

diff --git a/include/asm-blackfin/io.h b/include/asm-blackfin/io.h
index eac8bca..3f48f8f 100644 (file)
--- a/include/asm-blackfin/io.h
+++ b/include/asm-blackfin/io.h
@@ -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;
@@ -115,17 +115,17 @@ static inline unsigned int readl(void __iomem *addr)
 
 #ifndef __ASSEMBLY__
 
-extern void outsb(void __iomem *port, const void *addr, unsigned short count);
-extern void outsw(void __iomem *port, const void *addr, unsigned short count);
-extern void outsl(void __iomem *port, const void *addr, unsigned short count);
+extern void outsb(const void __iomem *port, const void *addr, unsigned short count);
+extern void outsw(const void __iomem *port, const void *addr, unsigned short count);
+extern void outsl(const void __iomem *port, const void *addr, unsigned short count);
 
 extern void insb(const void __iomem *port, void *addr, unsigned short count);
 extern void insw(const void __iomem *port, void *addr, unsigned short count);
 extern void insl(const void __iomem *port, void *addr, unsigned short count);
 
-extern void dma_outsb(void __iomem *port, const void *addr, unsigned short count);
-extern void dma_outsw(void __iomem *port, const void *addr, unsigned short count);
-extern void dma_outsl(void __iomem *port, const void *addr, unsigned short count);
+extern void dma_outsb(const void __iomem *port, const void *addr, unsigned short count);
+extern void dma_outsw(const void __iomem *port, const void *addr, unsigned short count);
+extern void dma_outsl(const void __iomem *port, const void *addr, unsigned short count);
 
 extern void dma_insb(const void __iomem *port, void *addr, unsigned short count);
 extern void dma_insw(const void __iomem *port, void *addr, unsigned short count);