diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-09-24 10:42:06 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-09-24 10:42:06 +0100 |
| commit | d2f607484f8210cf19b1730dee26d426a5a770a5 (patch) | |
| tree | b05e0376b0843063e14342811dbedc8bf2f4177b | |
| parent | 87e807b6c461bbd449496a4c3ab78ab164a4ba97 (diff) | |
[ARM] Fix compiler warnings for memcpy_toio/memcpy_fromio/memset_io
Add 'volatile' to the __iomem pointers for these functions as
per x86.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/kernel/io.c | 6 | ||||
| -rw-r--r-- | include/asm-arm/io.h | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/kernel/io.c b/arch/arm/kernel/io.c index 6c20c1188b6..1f6822dfae7 100644 --- a/arch/arm/kernel/io.c +++ b/arch/arm/kernel/io.c @@ -7,7 +7,7 @@ * Copy data from IO memory space to "real" memory space. * This needs to be optimized. */ -void _memcpy_fromio(void *to, void __iomem *from, size_t count) +void _memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) { unsigned char *t = to; while (count) { @@ -22,7 +22,7 @@ void _memcpy_fromio(void *to, void __iomem *from, size_t count) * Copy data from "real" memory space to IO memory space. * This needs to be optimized. */ -void _memcpy_toio(void __iomem *to, const void *from, size_t count) +void _memcpy_toio(volatile void __iomem *to, const void *from, size_t count) { const unsigned char *f = from; while (count) { @@ -37,7 +37,7 @@ void _memcpy_toio(void __iomem *to, const void *from, size_t count) * "memset" on IO memory space. * This needs to be optimized. */ -void _memset_io(void __iomem *dst, int c, size_t count) +void _memset_io(volatile void __iomem *dst, int c, size_t count) { while (count) { count--; diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index cfa71a0dffb..5c4ae8f5dbb 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h @@ -136,9 +136,9 @@ extern void __readwrite_bug(const char *fn); /* * String version of IO memory access ops: */ -extern void _memcpy_fromio(void *, void __iomem *, size_t); -extern void _memcpy_toio(void __iomem *, const void *, size_t); -extern void _memset_io(void __iomem *, int, size_t); +extern void _memcpy_fromio(void *, const volatile void __iomem *, size_t); +extern void _memcpy_toio(volatile void __iomem *, const void *, size_t); +extern void _memset_io(volatile void __iomem *, int, size_t); #define mmiowb() |