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-rw-r--r--arch/alpha/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 24efdfe277fc..3e2e540a0f2a 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -61,6 +61,9 @@ config ZONE_DMA
config NEED_DMA_MAP_STATE
def_bool y
+config NEED_SG_DMA_LENGTH
+ def_bool y
+
config GENERIC_ISA_DMA
bool
default y
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