linux-kernel - [PATCH v2] avr32: fix build error in atstk1006

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Message-ID: <1364797597-22005-1-git-send-email-josh.wu@atmel.com>
Date:	Mon, 1 Apr 2013 14:26:37 +0800
From:	Josh Wu <josh.wu@...el.com>
To:	<egtvedt@...fundet.no>, <akpm@...ux-foundation.org>
CC:	<linux-kernel@...r.kernel.org>, <hskinnemoen@...il.com>,
	<linux-mtd@...ts.infradead.org>, <dedekind1@...il.com>,
	<fengguang.wu@...el.com>, Josh Wu <josh.wu@...el.com>
Subject: [PATCH v2] avr32: fix build error in atstk1006_defconfig

fixed the following compile error when use avr32 atstk1006_defconfig:
  drivers/mtd/nand/atmel_nand.c: In function 'pmecc_err_location':
  drivers/mtd/nand/atmel_nand.c:639: error: implicit declaration of function 'writel_relaxed'

which was introduced by commit:
  1c7b874d33b463f7150b1ab4617f000af9b327fd
  mtd: at91: atmel_nand: add Programmable Multibit ECC controller support
The PMECC for nand flash code uses writel_relaxed(). But in avr32, there is no
macro "writel_relaxed" defined.

This patch add writex_relaxed macro definitions.

Signed-off-by: Josh Wu <josh.wu@...el.com>
Acked-by: Havard Skinnemoen <havard@...nnemoen.net>
Acked-by: Hans-Christian Egtvedt <egtvedt@...fundet.no>
---
change since v1:
 refined the commit message and wrap it into 80 characters.

 arch/avr32/include/asm/io.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
index cf60d0a..fc6483f 100644
--- a/arch/avr32/include/asm/io.h
+++ b/arch/avr32/include/asm/io.h
@@ -165,6 +165,10 @@ BUILDIO_IOPORT(l, u32)
 #define readw_be			__raw_readw
 #define readl_be			__raw_readl
 
+#define writeb_relaxed			writeb
+#define writew_relaxed			writew
+#define writel_relaxed			writel
+
 #define writeb_be			__raw_writeb
 #define writew_be			__raw_writew
 #define writel_be			__raw_writel
-- 
1.7.9.5

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