Merge tag 'backlight-for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel...

[deliverable/linux.git] / include / asm-generic / io.h

diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 002b81f6f2bc277cb85daf3b2e974cfc0d85bef7..7ef015eb3403fb150511351049395480fe631da6 100644 (file)
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -585,6 +585,16 @@ static inline u32 ioread32(const volatile void __iomem *addr)
 }
 #endif
 
+#ifdef CONFIG_64BIT
+#ifndef ioread64
+#define ioread64 ioread64
+static inline u64 ioread64(const volatile void __iomem *addr)
+{
+       return readq(addr);
+}
+#endif
+#endif /* CONFIG_64BIT */
+
 #ifndef iowrite8
 #define iowrite8 iowrite8
 static inline void iowrite8(u8 value, volatile void __iomem *addr)
@@ -609,11 +619,21 @@ static inline void iowrite32(u32 value, volatile void __iomem *addr)
 }
 #endif
 
+#ifdef CONFIG_64BIT
+#ifndef iowrite64
+#define iowrite64 iowrite64
+static inline void iowrite64(u64 value, volatile void __iomem *addr)
+{
+       writeq(value, addr);
+}
+#endif
+#endif /* CONFIG_64BIT */
+
 #ifndef ioread16be
 #define ioread16be ioread16be
 static inline u16 ioread16be(const volatile void __iomem *addr)
 {
-       return __be16_to_cpu(__raw_readw(addr));
+       return swab16(readw(addr));
 }
 #endif
 
@@ -621,15 +641,25 @@ static inline u16 ioread16be(const volatile void __iomem *addr)
 #define ioread32be ioread32be
 static inline u32 ioread32be(const volatile void __iomem *addr)
 {
-       return __be32_to_cpu(__raw_readl(addr));
+       return swab32(readl(addr));
+}
+#endif
+
+#ifdef CONFIG_64BIT
+#ifndef ioread64be
+#define ioread64be ioread64be
+static inline u64 ioread64be(const volatile void __iomem *addr)
+{
+       return swab64(readq(addr));
 }
 #endif
+#endif /* CONFIG_64BIT */
 
 #ifndef iowrite16be
 #define iowrite16be iowrite16be
 static inline void iowrite16be(u16 value, void volatile __iomem *addr)
 {
-       __raw_writew(__cpu_to_be16(value), addr);
+       writew(swab16(value), addr);
 }
 #endif
 
@@ -637,10 +667,20 @@ static inline void iowrite16be(u16 value, void volatile __iomem *addr)
 #define iowrite32be iowrite32be
 static inline void iowrite32be(u32 value, volatile void __iomem *addr)
 {
-       __raw_writel(__cpu_to_be32(value), addr);
+       writel(swab32(value), addr);
 }
 #endif
 
+#ifdef CONFIG_64BIT
+#ifndef iowrite64be
+#define iowrite64be iowrite64be
+static inline void iowrite64be(u64 value, volatile void __iomem *addr)
+{
+       writeq(swab64(value), addr);
+}
+#endif
+#endif /* CONFIG_64BIT */
+
 #ifndef ioread8_rep
 #define ioread8_rep ioread8_rep
 static inline void ioread8_rep(const volatile void __iomem *addr, void *buffer,
@@ -668,6 +708,17 @@ static inline void ioread32_rep(const volatile void __iomem *addr,
 }
 #endif
 
+#ifdef CONFIG_64BIT
+#ifndef ioread64_rep
+#define ioread64_rep ioread64_rep
+static inline void ioread64_rep(const volatile void __iomem *addr,
+                               void *buffer, unsigned int count)
+{
+       readsq(addr, buffer, count);
+}
+#endif
+#endif /* CONFIG_64BIT */
+
 #ifndef iowrite8_rep
 #define iowrite8_rep iowrite8_rep
 static inline void iowrite8_rep(volatile void __iomem *addr,
@@ -697,6 +748,18 @@ static inline void iowrite32_rep(volatile void __iomem *addr,
        writesl(addr, buffer, count);
 }
 #endif
+
+#ifdef CONFIG_64BIT
+#ifndef iowrite64_rep
+#define iowrite64_rep iowrite64_rep
+static inline void iowrite64_rep(volatile void __iomem *addr,
+                                const void *buffer,
+                                unsigned int count)
+{
+       writesq(addr, buffer, count);
+}
+#endif
+#endif /* CONFIG_64BIT */
 #endif /* CONFIG_GENERIC_IOMAP */
 
 #ifdef __KERNEL__