From: Thomas Abraham <thomas.ab@samsung.com>
Date: Tue, 16 Jul 2013 03:42:59 +0000 (+0900)
Subject: ARM: EXYNOS: Enable 64-bit DMA for EXYNOS5440 if LPAE is enabled
X-Git-Tag: v3.11-rc3~8^2~1^2~5
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=cfaf8ee2f91607c8955af68538ba849b125fb8d5;p=~emulex%2Finfiniband.git

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

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

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---

diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 855d4a7b462..5952e68c76c 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -92,6 +92,7 @@ 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 HAVE_ARM_ARCH_TIMER
 	select AUTO_ZRELADDR