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Commit 2c1a2a34 authored by Haavard Skinnemoen's avatar Haavard Skinnemoen
Browse files

[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: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent d80e2bb1

include/asm-avr32/io.h

+3 −14
Original line number Original line Diff line number Diff line
@@ -240,30 +240,19 @@ BUILDSTRING(l, u32) 
static inline void memcpy_fromio(void * to, const volatile void __iomem *from,

static inline void memcpy_fromio(void * to, const volatile void __iomem *from,

				 unsigned long count)

				 unsigned long count)

{

{

	char *p = to;

	memcpy(to, (const void __force *)from, count);

	volatile const char __iomem *addr = from;



	while (count--)

		*p++ = readb(addr++);

}

}





static inline void  memcpy_toio(volatile void __iomem *to, const void * from,

static inline void  memcpy_toio(volatile void __iomem *to, const void * from,

				unsigned long count)

				unsigned long count)

{

{

	const char *p = from;

	memcpy((void __force *)to, from, count);

	volatile char __iomem *addr = to;



	while (count--)

		writeb(*p++, addr++);

}

}





static inline void memset_io(volatile void __iomem *addr, unsigned char val,

static inline void memset_io(volatile void __iomem *addr, unsigned char val,

			     unsigned long count)

			     unsigned long count)

{

{

	volatile char __iomem *p = addr;

	memset((void __force *)addr, val, count);



	while (count--)

		writeb(val, p++);

}

}





#define IO_SPACE_LIMIT	0xffffffff

#define IO_SPACE_LIMIT	0xffffffff