linux-kernel - [PATCH] arch/unicore32/include/asm/io.h: add readl

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Date:	Sat, 03 May 2014 09:06:28 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	Guan Xuetao <gxt@...c.pku.edu.cn>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] arch/unicore32/include/asm/io.h: add readl_relaxed() generic
 definition

Need generic definition for readl_relaxed(), like other architectures
have done. Or can not pass compiling with allmodconfig, the related
error:

    CC [M]  drivers/message/fusion/mptbase.o
  drivers/message/fusion/mptbase.c: In function ‘mpt_send_handshake_request’:
  drivers/message/fusion/mptbase.c:1224: error: implicit declaration of function ‘readl_relaxed’

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 arch/unicore32/include/asm/io.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/unicore32/include/asm/io.h b/arch/unicore32/include/asm/io.h
index ae327e4..cb1d8fd 100644
--- a/arch/unicore32/include/asm/io.h
+++ b/arch/unicore32/include/asm/io.h
@@ -39,6 +39,10 @@ extern void __uc32_iounmap(volatile void __iomem *addr);
 #define ioremap_nocache(cookie, size)	__uc32_ioremap(cookie, size)
 #define iounmap(cookie)			__uc32_iounmap(cookie)
 
+#define readb_relaxed readb
+#define readw_relaxed readw
+#define readl_relaxed readl
+
 #define HAVE_ARCH_PIO_SIZE
 #define PIO_OFFSET		(unsigned int)(PCI_IOBASE)
 #define PIO_MASK		(unsigned int)(IO_SPACE_LIMIT)
-- 
1.9.2.459.g68773ac
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