diff options
Diffstat (limited to 'include/asm-mips/io.h')
| -rw-r--r-- | include/asm-mips/io.h | 57 |
1 files changed, 32 insertions, 25 deletions
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index 42f80782acd2..3061870b7f6c 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -387,11 +387,11 @@ static inline void pfx##out##bwlq##p(type val, unsigned long port) \ \ __val = pfx##ioswab##bwlq(val); \ \ - if (sizeof(type) != sizeof(u64)) { \ - *__addr = __val; \ - slow; \ - } else \ - BUILD_BUG(); \ + /* Really, we want this to be atomic */ \ + BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ + \ + *__addr = __val; \ + slow; \ } \ \ static inline type pfx##in##bwlq##p(unsigned long port) \ @@ -402,13 +402,10 @@ static inline type pfx##in##bwlq##p(unsigned long port) \ port = __swizzle_addr_##bwlq(port); \ __addr = (void *)(mips_io_port_base + port); \ \ - if (sizeof(type) != sizeof(u64)) { \ - __val = *__addr; \ - slow; \ - } else { \ - __val = 0; \ - BUILD_BUG(); \ - } \ + BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \ + \ + __val = *__addr; \ + slow; \ \ return pfx##ioswab##bwlq(__val); \ } @@ -417,28 +414,36 @@ static inline type pfx##in##bwlq##p(unsigned long port) \ \ __BUILD_MEMORY_SINGLE(bus, bwlq, type, 1) -#define __BUILD_IOPORT_PFX(bus, bwlq, type) \ - \ -__BUILD_IOPORT_SINGLE(bus, bwlq, type, ,) \ -__BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO) - -#define BUILDIO(bwlq, type) \ +#define BUILDIO_MEM(bwlq, type) \ \ __BUILD_MEMORY_PFX(__raw_, bwlq, type) \ __BUILD_MEMORY_PFX(, bwlq, type) \ __BUILD_MEMORY_PFX(mem_, bwlq, type) \ -__BUILD_IOPORT_PFX(, bwlq, type) \ -__BUILD_IOPORT_PFX(mem_, bwlq, type) + +BUILDIO_MEM(b, u8) +BUILDIO_MEM(w, u16) +BUILDIO_MEM(l, u32) +BUILDIO_MEM(q, u64) + +#define __BUILD_IOPORT_PFX(bus, bwlq, type) \ + __BUILD_IOPORT_SINGLE(bus, bwlq, type, ,) \ + __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO) + +#define BUILDIO_IOPORT(bwlq, type) \ + __BUILD_IOPORT_PFX(, bwlq, type) \ + __BUILD_IOPORT_PFX(mem_, bwlq, type) + +BUILDIO_IOPORT(b, u8) +BUILDIO_IOPORT(w, u16) +BUILDIO_IOPORT(l, u32) +#ifdef CONFIG_64BIT +BUILDIO_IOPORT(q, u64) +#endif #define __BUILDIO(bwlq, type) \ \ __BUILD_MEMORY_SINGLE(____raw_, bwlq, type, 0) -BUILDIO(b, u8) -BUILDIO(w, u16) -BUILDIO(l, u32) -BUILDIO(q, u64) - __BUILDIO(q, u64) #define readb_relaxed readb @@ -508,7 +513,9 @@ __BUILD_IOPORT_STRING(bwlq, type) BUILDSTRING(b, u8) BUILDSTRING(w, u16) BUILDSTRING(l, u32) +#ifdef CONFIG_64BIT BUILDSTRING(q, u64) +#endif /* Depends on MIPS II instruction set */ |