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-rw-r--r--arch/sh/kernel/io.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c
index 2b8991229900..29cf4588fc05 100644
--- a/arch/sh/kernel/io.c
+++ b/arch/sh/kernel/io.c
@@ -19,12 +19,12 @@
* Copy data from IO memory space to "real" memory space.
* This needs to be optimized.
*/
-void memcpy_fromio(void *to, volatile void __iomem *from, unsigned long count)
+void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned long count)
{
- char *p = to;
+ unsigned char *p = to;
while (count) {
count--;
- *p = readb((void __iomem *)from);
+ *p = readb(from);
p++;
from++;
}
@@ -37,10 +37,10 @@ EXPORT_SYMBOL(memcpy_fromio);
*/
void memcpy_toio(volatile void __iomem *to, const void *from, unsigned long count)
{
- const char *p = from;
+ const unsigned char *p = from;
while (count) {
count--;
- writeb(*p, (void __iomem *)to);
+ writeb(*p, to);
p++;
to++;
}
@@ -55,7 +55,7 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count)
{
while (count) {
count--;
- writeb(c, (void __iomem *)dst);
+ writeb(c, dst);
dst++;
}
}