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authorMike Frysinger <vapier@gentoo.org>2010-08-09 17:20:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 20:45:04 -0700
commit7387be3373277005c171b9f1509e91fae2e430f3 (patch)
treed16be00c6ed669456a3048f43c5d8d66d11d520a /include
parent7833e7c961612d3031c231596f8d71d0a9b45687 (diff)
downloadlwn-7387be3373277005c171b9f1509e91fae2e430f3.tar.gz
lwn-7387be3373277005c171b9f1509e91fae2e430f3.zip
asm-generic/io.h: add big endian versions of io{read,write}{16,32}
The asm-generic/iomap.h provides these functions already, but the non-generic fallback defines do not. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-generic/io.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index bcee6365dca0..118601fce92d 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -188,11 +188,15 @@ 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 ioread32(addr) readl(addr)
+#define ioread32be(addr) be32_to_cpu(ioread32(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 iowrite32(v, addr) writel((v), (addr))
+#define iowrite32be(v, addr) iowrite32(be32_to_cpu(v), (addr))
#define ioread8_rep(p, dst, count) \
insb((unsigned long) (p), (dst), (count))