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-rw-r--r--arch/arm/mach-davinci/include/mach/io.h20
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h
index a48795fd2417..2479785405af 100644
--- a/arch/arm/mach-davinci/include/mach/io.h
+++ b/arch/arm/mach-davinci/include/mach/io.h
@@ -40,22 +40,12 @@
40#else 40#else
41#define IOMEM(x) ((void __force __iomem *)(x)) 41#define IOMEM(x) ((void __force __iomem *)(x))
42 42
43/* 43#define __arch_ioremap(p, s, t) davinci_ioremap(p, s, t)
44 * Functions to access the DaVinci IO region 44#define __arch_iounmap(v) davinci_iounmap(v)
45 *
46 * NOTE: - Use davinci_read/write[bwl] for physical register addresses
47 * - Use __raw_read/write[bwl]() for virtual register addresses
48 * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses
49 * - DO NOT use hardcoded virtual addresses to allow changing the
50 * IO address space again if needed
51 */
52#define davinci_readb(a) __raw_readb(IO_ADDRESS(a))
53#define davinci_readw(a) __raw_readw(IO_ADDRESS(a))
54#define davinci_readl(a) __raw_readl(IO_ADDRESS(a))
55 45
56#define davinci_writeb(v, a) __raw_writeb(v, IO_ADDRESS(a)) 46void __iomem *davinci_ioremap(unsigned long phys, size_t size,
57#define davinci_writew(v, a) __raw_writew(v, IO_ADDRESS(a)) 47 unsigned int type);
58#define davinci_writel(v, a) __raw_writel(v, IO_ADDRESS(a)) 48void davinci_iounmap(volatile void __iomem *addr);
59 49
60#endif /* __ASSEMBLER__ */ 50#endif /* __ASSEMBLER__ */
61#endif /* __ASM_ARCH_IO_H */ 51#endif /* __ASM_ARCH_IO_H */