[PATCH] ARM: EXYNOS: Enable 64-bit DMA for EXYNOS5440 if LPAE is enabled

Kukjin Kim kgene.kim at samsung.com
Tue Jun 11 04:10:10 EDT 2013


From: Thomas Abraham <thomas.ab at samsung.com>

Allow 64-bit DMA addresses if LPAE is enabled on EXYNOS5440.

Signed-off-by: Thomas Abraham <thomas.ab at samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
---
 arch/arm/mach-exynos/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index e101b14..0f7d308 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -81,6 +81,7 @@ config SOC_EXYNOS5440
 	bool "SAMSUNG EXYNOS5440"
 	default y
 	depends on ARCH_EXYNOS5
+	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
 	select ARCH_HAS_OPP
 	select ARM_ARCH_TIMER
 	select AUTO_ZRELADDR
-- 
1.7.10.4




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