From 59a68eb892497d32493a1fcbc4bd8f1ce13f598f Mon Sep 17 00:00:00 2001
From: Robin Murphy <robin.murphy@arm.com>
Date: Mon, 29 Feb 2016 11:13:39 +0000
Subject: iommu/dma: Fix NEED_SG_DMA_LENGTH dependency

IOMMU_DMA does indeed depend on scatterlists having a DMA length, but
the NEED_SG_DMA_LENGTH symbol should be selected, not depended upon.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index a1e75cb..66f1184 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -51,9 +51,9 @@ config OF_IOMMU
 # IOMMU-agnostic DMA-mapping layer
 config IOMMU_DMA
 	bool
-	depends on NEED_SG_DMA_LENGTH
 	select IOMMU_API
 	select IOMMU_IOVA
+	select NEED_SG_DMA_LENGTH
 
 config FSL_PAMU
 	bool "Freescale IOMMU support"
-- 
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