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Message-ID: <51CB9FF1.4020308@asianux.com>
Date:	Thu, 27 Jun 2013 10:14:09 +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 generic cmpxchg64() definition

Need define cmpxchg64(), so use generic one.

The related error (with allmodconfig):

  drivers/block/blockconsole.c: In function ‘bcon_advance_console_bytes’:
  drivers/block/blockconsole.c:164:2: error: implicit declaration of function ‘cmpxchg64’ [-Werror=implicit-function-declaration]

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

diff --git a/arch/m32r/include/asm/cmpxchg.h b/arch/m32r/include/asm/cmpxchg.h
index de651db..a188b03 100644
--- a/arch/m32r/include/asm/cmpxchg.h
+++ b/arch/m32r/include/asm/cmpxchg.h
@@ -217,5 +217,6 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
 	((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o),	    \
 			(unsigned long)(n), sizeof(*(ptr))))
 #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+#define cmpxchg64(ptr, o, n)	cmpxchg64_local((ptr), (o), (n))
 
 #endif /* _ASM_M32R_CMPXCHG_H */
-- 
1.7.7.6
--
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