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Subject[PATCH] [ARM] Add missing include "asm/memory.h"
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This patch fixes below build error by adding the missing asm/memory.h,
which is needed for arch_is_coherent().

$ make pxa3xx_defconfig; make
CC init/do_mounts_rd.o
In file included from include/linux/list_bl.h:5,
from include/linux/rculist_bl.h:7,
from include/linux/dcache.h:7,
from include/linux/fs.h:381,
from init/do_mounts_rd.c:3:
include/linux/bit_spinlock.h: In function 'bit_spin_unlock':
include/linux/bit_spinlock.h:61: error: implicit declaration of function 'arch_is_coherent'
make[1]: *** [init/do_mounts_rd.o] Error 1
make: *** [init] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
arch/arm/include/asm/system.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index ec4327a..3222ab8 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -155,6 +155,7 @@ extern unsigned int user_debug;
#define rmb() dmb()
#define wmb() mb()
#else
+#include <asm/memory.h>
#define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
#define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
#define wmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
--
1.7.2




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