linux-kernel - [PATCH] m68k: include asm/cmpxchg.h in our m68k atomic.h

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Date:	Fri, 30 Mar 2012 15:52:09 +1000
From:	<gerg@...inux.org>
To:	<dhowells@...hat.com>
CC:	linux-m68k@...r.kernel.org, uclinux-dev@...inux.org,
	geert@...ux-m68k.org, linux-kernel@...r.kernel.org,
	Greg Ungerer <gerg@...inux.org>
Subject: [PATCH] m68k: include asm/cmpxchg.h in our m68k atomic.h

From: Greg Ungerer <gerg@...inux.org>

After commit 9ffc93f203c18a70623f21950f1dd473c9ec48cd ("Remove all

  CC      init/main.o
In file included from include/linux/mm.h:15:0,
                 from include/linux/ring_buffer.h:5,
                 from include/linux/ftrace_event.h:4,
                 from include/trace/syscall.h:6,
                 from include/linux/syscalls.h:78,
                 from init/main.c:16:
include/linux/debug_locks.h: In function ‘__debug_locks_off’:
include/linux/debug_locks.h:16:2: error: implicit declaration of function ‘xchg’

There is no indirect inclusions of the new asm/cmpxchg.h for m68k here.
Looking at most other architectures they include asm/cmpxchg.h in their
asm/atomic.h. M68k currently does not do this. Including this in atomic.h
fixes all m68k build problems.

Signed-off-by: Greg Ungerer <gerg@...inux.org>
---
 arch/m68k/include/asm/atomic.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index 336e617..f4e32de 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -3,6 +3,7 @@
 
 #include <linux/types.h>
 #include <linux/irqflags.h>
+#include <asm/cmpxchg.h>
 
 /*
  * Atomic operations that C can't guarantee us.  Useful for
-- 
1.7.0.4

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