diff options
Diffstat (limited to 'arch/powerpc/kernel/io.c')
| -rw-r--r-- | arch/powerpc/kernel/io.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/io.c b/arch/powerpc/kernel/io.c index 1882bf419fa..2a2b4aeab80 100644 --- a/arch/powerpc/kernel/io.c +++ b/arch/powerpc/kernel/io.c @@ -19,12 +19,15 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/compiler.h> -#include <linux/module.h> +#include <linux/export.h> #include <asm/io.h> #include <asm/firmware.h> #include <asm/bug.h> +/* See definition in io.h */ +bool isa_io_special; + void _insb(const volatile u8 __iomem *port, void *buf, long count) { u8 *tbuf = buf; @@ -161,7 +164,7 @@ void _memcpy_fromio(void *dest, const volatile void __iomem *src, dest++; n--; } - while(n > 4) { + while(n >= 4) { *((u32 *)dest) = *((volatile u32 *)vsrc); eieio(); vsrc += 4; @@ -190,7 +193,7 @@ void _memcpy_toio(volatile void __iomem *dest, const void *src, unsigned long n) vdest++; n--; } - while(n > 4) { + while(n >= 4) { *((volatile u32 *)vdest) = *((volatile u32 *)src); src += 4; vdest += 4; |