diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/blackfin/include/asm/io.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h index 63b2d8c7857..3022b5c96b3 100644 --- a/arch/blackfin/include/asm/io.h +++ b/arch/blackfin/include/asm/io.h @@ -80,19 +80,22 @@ static inline unsigned int readl(const volatile void __iomem *addr) #define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c)) #define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c)) -#define inb(addr) readb(addr) -#define inw(addr) readw(addr) -#define inl(addr) readl(addr) -#define outb(x,addr) ((void) writeb(x,addr)) -#define outw(x,addr) ((void) writew(x,addr)) -#define outl(x,addr) ((void) writel(x,addr)) - -#define inb_p(addr) inb(addr) -#define inw_p(addr) inw(addr) -#define inl_p(addr) inl(addr) -#define outb_p(x,addr) outb(x,addr) -#define outw_p(x,addr) outw(x,addr) -#define outl_p(x,addr) outl(x,addr) +/* Convert "I/O port addresses" to actual addresses. i.e. ugly casts. */ +#define __io(port) ((void *)(unsigned long)(port)) + +#define inb(port) readb(__io(port)) +#define inw(port) readw(__io(port)) +#define inl(port) readl(__io(port)) +#define outb(x,port) writeb(x,__io(port)) +#define outw(x,port) writew(x,__io(port)) +#define outl(x,port) writel(x,__io(port)) + +#define inb_p(port) inb(__io(port)) +#define inw_p(port) inw(__io(port)) +#define inl_p(port) inl(__io(port)) +#define outb_p(x,port) outb(x,__io(port)) +#define outw_p(x,port) outw(x,__io(port)) +#define outl_p(x,port) outl(x,__io(port)) #define ioread8_rep(a,d,c) readsb(a,d,c) #define ioread16_rep(a,d,c) readsw(a,d,c) |