diff options
Diffstat (limited to 'include/asm-ppc/io.h')
| -rw-r--r-- | include/asm-ppc/io.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h index 7eb7cf6360b..94d83998a75 100644 --- a/include/asm-ppc/io.h +++ b/include/asm-ppc/io.h @@ -56,7 +56,7 @@ extern unsigned long pci_dram_offset; * is actually performed (i.e. the data has come back) before we start * executing any following instructions. */ -extern inline int in_8(volatile unsigned char __iomem *addr) +extern inline int in_8(const volatile unsigned char __iomem *addr) { int ret; @@ -72,7 +72,7 @@ extern inline void out_8(volatile unsigned char __iomem *addr, int val) __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); } -extern inline int in_le16(volatile unsigned short __iomem *addr) +extern inline int in_le16(const volatile unsigned short __iomem *addr) { int ret; @@ -83,7 +83,7 @@ extern inline int in_le16(volatile unsigned short __iomem *addr) return ret; } -extern inline int in_be16(volatile unsigned short __iomem *addr) +extern inline int in_be16(const volatile unsigned short __iomem *addr) { int ret; @@ -104,7 +104,7 @@ extern inline void out_be16(volatile unsigned short __iomem *addr, int val) __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); } -extern inline unsigned in_le32(volatile unsigned __iomem *addr) +extern inline unsigned in_le32(const volatile unsigned __iomem *addr) { unsigned ret; @@ -115,7 +115,7 @@ extern inline unsigned in_le32(volatile unsigned __iomem *addr) return ret; } -extern inline unsigned in_be32(volatile unsigned __iomem *addr) +extern inline unsigned in_be32(const volatile unsigned __iomem *addr) { unsigned ret; @@ -139,7 +139,7 @@ extern inline void out_be32(volatile unsigned __iomem *addr, int val) #define readb(addr) in_8((volatile u8 *)(addr)) #define writeb(b,addr) out_8((volatile u8 *)(addr), (b)) #else -static inline __u8 readb(volatile void __iomem *addr) +static inline __u8 readb(const volatile void __iomem *addr) { return in_8(addr); } @@ -150,11 +150,11 @@ static inline void writeb(__u8 b, volatile void __iomem *addr) #endif #if defined(CONFIG_APUS) -static inline __u16 readw(volatile void __iomem *addr) +static inline __u16 readw(const volatile void __iomem *addr) { return *(__force volatile __u16 *)(addr); } -static inline __u32 readl(volatile void __iomem *addr) +static inline __u32 readl(const volatile void __iomem *addr) { return *(__force volatile __u32 *)(addr); } @@ -173,11 +173,11 @@ static inline void writel(__u32 b, volatile void __iomem *addr) #define writew(b,addr) out_le16((volatile u16 *)(addr),(b)) #define writel(b,addr) out_le32((volatile u32 *)(addr),(b)) #else -static inline __u16 readw(volatile void __iomem *addr) +static inline __u16 readw(const volatile void __iomem *addr) { return in_le16(addr); } -static inline __u32 readl(volatile void __iomem *addr) +static inline __u32 readl(const volatile void __iomem *addr) { return in_le32(addr); } |