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[PATCH] ARM: remove unused CONFIG_ARCH_HAS_BARRIERS

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Since commit 2b749cb3a515 ("ARM: realview: remove private barrier
implementation"), this config is not used by any platform.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 arch/arm/include/asm/barrier.h | 4 +---
 arch/arm/mm/Kconfig            | 6 ------
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index 112cc1a..f5d6981 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -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)
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index cb569b6..d15a7fe 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -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
 
-- 
1.9.1

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[PATCH] ARM: remove unused CONFIG_ARCH_HAS_BARRIERS Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-06-13 14:30 +0200
  Re: [PATCH] ARM: remove unused CONFIG_ARCH_HAS_BARRIERS Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-06-20 03:50 +0200
    Re: [PATCH] ARM: remove unused CONFIG_ARCH_HAS_BARRIERS Arnd Bergmann <arnd@arndb.de> - 2016-06-20 10:00 +0200

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