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Commit 711e5b45 authored by Michal Simek's avatar Michal Simek
Browse files

asm-generic: io: Fix ioread16/32be and iowrite16/32be 



Fix ioreadXXbe and iowriteXXbe functions which did
additional little endian conversion on native big endian systems.
Using be_to_cpu (cpu_to_be) conversions with __raw_read/write
functions have resolved it.

Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Acked-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Will Deacon <will.deacon@arm.com>
CC: linux-arch@vger.kernel.org
parent d64af918

include/asm-generic/io.h

+4 −4
Original line number Diff line number Diff line
@@ -225,15 +225,15 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) 
#ifndef CONFIG_GENERIC_IOMAP

#define ioread8(addr)		readb(addr)

#define ioread16(addr)		readw(addr)

#define ioread16be(addr)	be16_to_cpu(ioread16(addr))

#define ioread16be(addr)	__be16_to_cpu(__raw_readw(addr))

#define ioread32(addr)		readl(addr)

#define ioread32be(addr)	be32_to_cpu(ioread32(addr))

#define ioread32be(addr)	__be32_to_cpu(__raw_readl(addr))



#define iowrite8(v, addr)	writeb((v), (addr))

#define iowrite16(v, addr)	writew((v), (addr))

#define iowrite16be(v, addr)	iowrite16(be16_to_cpu(v), (addr))

#define iowrite16be(v, addr)	__raw_writew(__cpu_to_be16(v), addr)

#define iowrite32(v, addr)	writel((v), (addr))

#define iowrite32be(v, addr)	iowrite32(be32_to_cpu(v), (addr))

#define iowrite32be(v, addr)	__raw_writel(__cpu_to_be32(v), addr)



#define ioread8_rep(p, dst, count) \

	insb((unsigned long) (p), (dst), (count))