SMMU expects ARM_DMA_USE_IOMMU to be enabled to use DMA mapping API by default. Signed-off-by: Hiroshi Doyu <hdoyu@xxxxxxxxxx> --- drivers/iommu/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 01730b2..09daeea3 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -160,6 +160,7 @@ config TEGRA_IOMMU_SMMU bool "Tegra SMMU IOMMU Support" depends on ARCH_TEGRA && TEGRA_AHB select IOMMU_API + select ARM_DMA_USE_IOMMU help Enables support for remapping discontiguous physical memory shared with the operating system into contiguous I/O virtual -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html