[PATCH -mm 2/8] alpha: enable ARCH_DMA_ADDR_T_64BIT

[FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>]

Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: linux-alpha@xxxxxxxxxxxxxxx
---
 arch/alpha/Kconfig |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index b9647bb..953e31e 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -54,6 +54,9 @@ config ZONE_DMA
 	bool
 	default y
 
+config ARCH_DMA_ADDR_T_64BIT
+	def_bool y
+
 config NEED_DMA_MAP_STATE
        def_bool y
 
-- 
1.7.1

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