From mboxrd@z Thu Jan 1 00:00:00 1970 From: grant.likely@secretlab.ca (Grant Likely) Date: Thu, 17 Dec 2009 10:07:27 -0700 Subject: [RFC PATCH] arm: add big-endian versions of io{read, write}{16, 32}be() macros Message-ID: <20091217170324.24211.92910.stgit@angua> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Added so that existing drivers already using the io*be() macros will compile. A specific example is the xilinx_spi.c driver. Signed-off-by: Grant Likely --- arch/arm/include/asm/io.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index d2a59cf..1fb772a 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -240,10 +240,14 @@ extern void _memset_io(volatile void __iomem *, int, size_t); #define ioread8(p) ({ unsigned int __v = __raw_readb(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 ioread16be(p) ({ unsigned int __v = be16_to_cpu((__force __be16)__raw_readw(p)); __v; }) +#define ioread32be(p) ({ unsigned int __v = be32_to_cpu((__force __be32)__raw_readl(p)); __v; }) #define iowrite8(v,p) __raw_writeb(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 iowrite16be(v,p) __raw_writew((__force __u16)cpu_to_be16(v), p) +#define iowrite32be(v,p) __raw_writel((__force __u32)cpu_to_be32(v), p) #define ioread8_rep(p,d,c) __raw_readsb(p,d,c) #define ioread16_rep(p,d,c) __raw_readsw(p,d,c)