linux-kernel - [PATCH] arch: m32r: include: asm: add ioread*be() and iowrite*be()

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Date:	Thu, 27 Jun 2013 11:29:45 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Hirokazu Takata <takata@...ux-m32r.org>
CC:	linux-m32r@...linux-m32r.org, linux-m32r-ja@...linux-m32r.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: [PATCH] arch: m32r: include: asm: add ioread*be() and iowrite*be()

Add generic ioread*be() and iowrite*be(), or compiling fails.

The related error (with allmodconfig):

  drivers/ipack/ipack.c: In function ‘ipack_device_read_id’:
  drivers/ipack/ipack.c:376:3: error: implicit declaration of function ‘ioread16be’ [-Werror=implicit-function-declaration]

Signed-off-by: Chen Gang <gang.chen@...anux.com>
---
 arch/m32r/include/asm/io.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h
index 4010f1f..9f9b609 100644
--- a/arch/m32r/include/asm/io.h
+++ b/arch/m32r/include/asm/io.h
@@ -164,10 +164,14 @@ static inline void _writel(unsigned long l, unsigned long addr)
 
 #define ioread8 read
 #define ioread16 readw
+#define ioread16be(addr)	__be16_to_cpu(__raw_readw(addr))
 #define ioread32 readl
+#define ioread32be(addr)	__be32_to_cpu(__raw_readl(addr))
 #define iowrite8 writeb
 #define iowrite16 writew
+#define iowrite16be(v, addr)	__raw_writew(__cpu_to_be16(v), addr)
 #define iowrite32 writel
+#define iowrite32be(v, addr)	__raw_writel(__cpu_to_be32(v), addr)
 
 #define mmiowb()
 
-- 
1.7.7.6
--
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