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ARM: 8582/1: remove unused CONFIG_ARCH_HAS_BARRIERS

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Since commit 2b749cb3a5 ("ARM: realview: remove private barrier
implementation"), this config is not used by any platform.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Masahiro Yamada 2016-06-21 02:32:25 +01:00 committed by Russell King
parent 215e362daf
commit 520319de0c
2 changed files with 1 additions and 9 deletions
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4
arch/arm/include/asm/barrier.h
View File

@ -44,9 +44,7 @@ extern void arm_heavy_mb(void);
#define __arm_heavy_mb(x...) dsb(x)
#endif
#ifdef CONFIG_ARCH_HAS_BARRIERS
#include <mach/barriers.h>
#elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP)
#if defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP)
#define mb() __arm_heavy_mb()
#define rmb() dsb()
#define wmb() __arm_heavy_mb(st)

6
arch/arm/mm/Kconfig
View File

@ -1025,12 +1025,6 @@ config ARM_DMA_MEM_BUFFERABLE
You are recommended say 'Y' here and debug any affected drivers.
config ARCH_HAS_BARRIERS
bool
help
This option allows the use of custom mandatory barriers
included via the mach/barriers.h file.
config ARM_HEAVY_MB
bool