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Diffstat (limited to 'include/linux/mtd/doc2000.h')
-rw-r--r--include/linux/mtd/doc2000.h22
1 files changed, 18 insertions, 4 deletions
diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h
index 0f6fea73a1f6..407d1e556c39 100644
--- a/include/linux/mtd/doc2000.h
+++ b/include/linux/mtd/doc2000.h
@@ -92,12 +92,26 @@
* Others use readb/writeb
*/
#if defined(__arm__)
-#define ReadDOC_(adr, reg) ((unsigned char)(*(volatile __u32 *)(((unsigned long)adr)+((reg)<<2))))
-#define WriteDOC_(d, adr, reg) do{ *(volatile __u32 *)(((unsigned long)adr)+((reg)<<2)) = (__u32)d; wmb();} while(0)
+static inline u8 ReadDOC_(u32 __iomem *addr, unsigned long reg)
+{
+ return __raw_readl(addr + reg);
+}
+static inline void WriteDOC_(u8 data, u32 __iomem *addr, unsigned long reg)
+{
+ __raw_writel(data, addr + reg);
+ wmb();
+}
#define DOC_IOREMAP_LEN 0x8000
#elif defined(__ppc__)
-#define ReadDOC_(adr, reg) ((unsigned char)(*(volatile __u16 *)(((unsigned long)adr)+((reg)<<1))))
-#define WriteDOC_(d, adr, reg) do{ *(volatile __u16 *)(((unsigned long)adr)+((reg)<<1)) = (__u16)d; wmb();} while(0)
+static inline u8 ReadDOC_(u16 __iomem *addr, unsigned long reg)
+{
+ return __raw_readw(addr + reg);
+}
+static inline void WriteDOC_(u8 data, u16 __iomem *addr, unsigned long reg)
+{
+ __raw_writew(data, addr + reg);
+ wmb();
+}
#define DOC_IOREMAP_LEN 0x4000
#else
#define ReadDOC_(adr, reg) readb((void __iomem *)(adr) + (reg))