[PATCH] iommu/dma: Fix NEED_SG_DMA_LENGTH dependency

Robin Murphy robin.murphy at arm.com
Mon Feb 29 03:13:39 PST 2016

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 at arndb.de>
Signed-off-by: Robin Murphy <robin.murphy at arm.com>
 drivers/iommu/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index b325954..83f1a65 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -70,9 +70,9 @@ config OF_IOMMU
 # IOMMU-agnostic DMA-mapping layer
 config IOMMU_DMA
-	depends on NEED_SG_DMA_LENGTH
 	select IOMMU_API
 	select IOMMU_IOVA
 config FSL_PAMU
 	bool "Freescale IOMMU support"

More information about the linux-arm-kernel mailing list