diff options
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/hardware.h')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/hardware.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h index de63ca3016b4..8184669dde28 100644 --- a/arch/arm/mach-pxa/include/mach/hardware.h +++ b/arch/arm/mach-pxa/include/mach/hardware.h @@ -36,22 +36,23 @@ * Note that not all PXA2xx chips implement all those addresses, and the * kernel only maps the minimum needed range of this mapping. */ -#define io_p2v(x) (0xf2000000 + ((x) & 0x01ffffff) + (((x) & 0x1c000000) >> 1)) #define io_v2p(x) (0x3c000000 + ((x) & 0x01ffffff) + (((x) & 0x0e000000) << 1)) +#define io_p2v(x) IOMEM(0xf2000000 + ((x) & 0x01ffffff) + (((x) & 0x1c000000) >> 1)) #ifndef __ASSEMBLY__ - -# define __REG(x) (*((volatile u32 *)io_p2v(x))) +# define IOMEM(x) ((void __iomem *)(x)) +# define __REG(x) (*((volatile u32 __iomem *)io_p2v(x))) /* With indexed regs we don't want to feed the index through io_p2v() especially if it is a variable, otherwise horrible code will result. */ # define __REG2(x,y) \ - (*(volatile u32 *)((u32)&__REG(x) + (y))) + (*(volatile u32 __iomem*)((u32)&__REG(x) + (y))) # define __PREG(x) (io_v2p((u32)&(x))) #else +# define IOMEM(x) x # define __REG(x) io_p2v(x) # define __PREG(x) io_v2p(x) |