diff options
Diffstat (limited to 'include/asm-ppc64/eeh.h')
| -rw-r--r-- | include/asm-ppc64/eeh.h | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/include/asm-ppc64/eeh.h b/include/asm-ppc64/eeh.h index 94298b106a4..40c8eb57493 100644 --- a/include/asm-ppc64/eeh.h +++ b/include/asm-ppc64/eeh.h @@ -219,23 +219,24 @@ static inline void eeh_raw_writeq(u64 val, volatile void __iomem *addr) static inline void eeh_memset_io(volatile void __iomem *addr, int c, unsigned long n) { + void *p = (void __force *)addr; u32 lc = c; lc |= lc << 8; lc |= lc << 16; - while(n && !EEH_CHECK_ALIGN(addr, 4)) { - *((volatile u8 *)addr) = c; - addr = (void *)((unsigned long)addr + 1); + while(n && !EEH_CHECK_ALIGN(p, 4)) { + *((volatile u8 *)p) = c; + p++; n--; } while(n >= 4) { - *((volatile u32 *)addr) = lc; - addr = (void *)((unsigned long)addr + 4); + *((volatile u32 *)p) = lc; + p += 4; n -= 4; } while(n) { - *((volatile u8 *)addr) = c; - addr = (void *)((unsigned long)addr + 1); + *((volatile u8 *)p) = c; + p++; n--; } __asm__ __volatile__ ("sync" : : : "memory"); @@ -250,22 +251,22 @@ static inline void eeh_memcpy_fromio(void *dest, const volatile void __iomem *sr while(n && (!EEH_CHECK_ALIGN(vsrc, 4) || !EEH_CHECK_ALIGN(dest, 4))) { *((u8 *)dest) = *((volatile u8 *)vsrc); __asm__ __volatile__ ("eieio" : : : "memory"); - vsrc = (void *)((unsigned long)vsrc + 1); - dest = (void *)((unsigned long)dest + 1); + vsrc++; + dest++; n--; } while(n > 4) { *((u32 *)dest) = *((volatile u32 *)vsrc); __asm__ __volatile__ ("eieio" : : : "memory"); - vsrc = (void *)((unsigned long)vsrc + 4); - dest = (void *)((unsigned long)dest + 4); + vsrc += 4; + dest += 4; n -= 4; } while(n) { *((u8 *)dest) = *((volatile u8 *)vsrc); __asm__ __volatile__ ("eieio" : : : "memory"); - vsrc = (void *)((unsigned long)vsrc + 1); - dest = (void *)((unsigned long)dest + 1); + vsrc++; + dest++; n--; } __asm__ __volatile__ ("sync" : : : "memory"); @@ -286,20 +287,20 @@ static inline void eeh_memcpy_toio(volatile void __iomem *dest, const void *src, while(n && (!EEH_CHECK_ALIGN(vdest, 4) || !EEH_CHECK_ALIGN(src, 4))) { *((volatile u8 *)vdest) = *((u8 *)src); - src = (void *)((unsigned long)src + 1); - vdest = (void *)((unsigned long)vdest + 1); + src++; + vdest++; n--; } while(n > 4) { *((volatile u32 *)vdest) = *((volatile u32 *)src); - src = (void *)((unsigned long)src + 4); - vdest = (void *)((unsigned long)vdest + 4); + src += 4; + vdest += 4; n-=4; } while(n) { *((volatile u8 *)vdest) = *((u8 *)src); - src = (void *)((unsigned long)src + 1); - vdest = (void *)((unsigned long)vdest + 1); + src++; + vdest++; n--; } __asm__ __volatile__ ("sync" : : : "memory"); |