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| author | Michal Simek <michal.simek@xilinx.com> | 2013-02-07 17:58:35 +0400 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2013-02-12 14:29:46 +0400 |
| commit | 711e5b4520986380700e6f095608021cf087170e (patch) | |
| tree | 6ecfbf3fcbd3bf5bbd71b03521d66815161d41f3 /include/asm-generic/io.h | |
| parent | d64af918feb6cb81c396d6d2dabb738bc51dda3f (diff) | |
| download | linux-711e5b4520986380700e6f095608021cf087170e.tar.xz | |
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: Michal Simek <michal.simek@xilinx.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert 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
Diffstat (limited to 'include/asm-generic/io.h')
| -rw-r--r-- | include/asm-generic/io.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 33bbbae4ddc6..8823581cf1cd 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -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)) |