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[AVR32] Use memcpy/memset in memcpy_{from,to}_io and memset_io 

Using readb/writeb to implement these breaks NOR flash support. I
can't see any reason why regular memcpy and memset shouldn't work.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen 2007-03-07 10:40:44 +01:00
parent d80e2bb126
commit 2c1a2a3441
1 changed files with 3 additions and 14 deletions
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17
include/asm-avr32/io.h
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@ -240,30 +240,19 @@ BUILDSTRING(l, u32)
static inline void memcpy_fromio(void * to, const volatile void __iomem *from,
unsigned long count)
{
char *p = to;
volatile const char __iomem *addr = from;
while (count--)
*p++ = readb(addr++);
memcpy(to, (const void __force *)from, count);
}
static inline void memcpy_toio(volatile void __iomem *to, const void * from,
unsigned long count)
{
const char *p = from;
volatile char __iomem *addr = to;
while (count--)
writeb(*p++, addr++);
memcpy((void __force *)to, from, count);
}
static inline void memset_io(volatile void __iomem *addr, unsigned char val,
unsigned long count)
{
volatile char __iomem *p = addr;
while (count--)
writeb(val, p++);
memset((void __force *)addr, val, count);
}
#define IO_SPACE_LIMIT 0xffffffff