[PATCH] basic iomem annotations (ppc64)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-ppc64/eeh.h b/include/asm-ppc64/eeh.h
index 94298b1..40c8eb5 100644
--- a/include/asm-ppc64/eeh.h
+++ b/include/asm-ppc64/eeh.h
@@ -219,23 +219,24 @@
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 @@
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 @@
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");