From 2c1a2a3441a754a9b5a8e7184071154f8a9bd61b Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date: Wed, 7 Mar 2007 10:40:44 +0100
Subject: [PATCH] [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>
---
include/asm-avr32/io.h | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/include/asm-avr32/io.h b/include/asm-avr32/io.h
index 27b1523d42..e30d4b3bd8 100644
--- a/include/asm-avr32/io.h
+++ b/include/asm-avr32/io.h
@@ -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
--
2.25.4