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.si...@xilinx.com>
CC: Benjamin Herrenschmidt <b...@kernel.crashing.org>
CC: Arnd Bergmann <a...@arndb.de>
CC: Geert Uytterhoeven <ge...@linux-m68k.org>
CC: Will Deacon <will.dea...@arm.com>
CC: linux-a...@vger.kernel.org
---
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 33bbbae..8823581 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))
--
1.7.0.4
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