endianness annotations in arm io.h
authorAl Viro <viro@ftp.linux.org.uk>
Sun, 14 Oct 2007 18:36:00 +0000 (19:36 +0100)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sun, 14 Oct 2007 19:41:52 +0000 (12:41 -0700)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/asm-arm/io.h

index 1d3caa42a3869b262e05d96a3e7010aa4006c840..eebe56e74d6d9f4ca922ebf7c1ad667a2c66d879 100644 (file)
@@ -228,12 +228,12 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
  */
 #ifndef ioread8
 #define ioread8(p)     ({ unsigned int __v = __raw_readb(p); __v; })
-#define ioread16(p)    ({ unsigned int __v = le16_to_cpu(__raw_readw(p)); __v; })
-#define ioread32(p)    ({ unsigned int __v = le32_to_cpu(__raw_readl(p)); __v; })
+#define ioread16(p)    ({ unsigned int __v = le16_to_cpu((__force __le16)__raw_readw(p)); __v; })
+#define ioread32(p)    ({ unsigned int __v = le32_to_cpu((__force __le32)__raw_readl(p)); __v; })
 
 #define iowrite8(v,p)  __raw_writeb(v, p)
-#define iowrite16(v,p) __raw_writew(cpu_to_le16(v), p)
-#define iowrite32(v,p) __raw_writel(cpu_to_le32(v), p)
+#define iowrite16(v,p) __raw_writew((__force __u16)cpu_to_le16(v), p)
+#define iowrite32(v,p) __raw_writel((__force __u32)cpu_to_le32(v), p)
 
 #define ioread8_rep(p,d,c)     __raw_readsb(p,d,c)
 #define ioread16_rep(p,d,c)    __raw_readsw(p,d,c)