diff options
Diffstat (limited to 'arch/tile/include/asm/io.h')
| -rw-r--r-- | arch/tile/include/asm/io.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h index 8c95bef3fa45..d3cbb9b14cbe 100644 --- a/arch/tile/include/asm/io.h +++ b/arch/tile/include/asm/io.h @@ -55,9 +55,6 @@ extern void iounmap(volatile void __iomem *addr); #define ioremap_writethrough(physaddr, size) ioremap(physaddr, size) #define ioremap_fullcache(physaddr, size) ioremap(physaddr, size) -void __iomem *ioport_map(unsigned long port, unsigned int len); -extern inline void ioport_unmap(void __iomem *addr) {} - #define mmiowb() /* Conversion between virtual and physical mappings. */ @@ -164,22 +161,22 @@ static inline void _tile_writeq(u64 val, unsigned long addr) #define iowrite32 writel #define iowrite64 writeq -static inline void *memcpy_fromio(void *dst, void *src, int len) +static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, + size_t len) { int x; BUG_ON((unsigned long)src & 0x3); for (x = 0; x < len; x += 4) *(u32 *)(dst + x) = readl(src + x); - return dst; } -static inline void *memcpy_toio(void *dst, void *src, int len) +static inline void memcpy_toio(volatile void __iomem *dst, const void *src, + size_t len) { int x; BUG_ON((unsigned long)dst & 0x3); for (x = 0; x < len; x += 4) writel(*(u32 *)(src + x), dst + x); - return dst; } /* @@ -189,12 +186,22 @@ static inline void *memcpy_toio(void *dst, void *src, int len) * we never run, uses them unconditionally. */ -static inline int ioport_panic(void) +static inline long ioport_panic(void) { panic("inb/outb and friends do not exist on tile"); return 0; } +static inline void __iomem *ioport_map(unsigned long port, unsigned int len) +{ + return (void __iomem *) ioport_panic(); +} + +static inline void ioport_unmap(void __iomem *addr) +{ + ioport_panic(); +} + static inline u8 inb(unsigned long addr) { return ioport_panic(); |