From: Robin Murphy <robin.murphy@arm.com>
Date: Mon, 29 Feb 2016 11:13:39 +0000 (+0000)
Subject: iommu/dma: Fix NEED_SG_DMA_LENGTH dependency
X-Git-Tag: v4.6-rc1~56^2^8
X-Git-Url: https://repo.jachan.dev/linux.git/commitdiff_plain/59a68eb892497d32493a1fcbc4bd8f1ce13f598f

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 a1e75cba18e0..66f118448c84 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"