iommu/arm-smmu: Allow client devices to select direct mapping

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Some client devices want to directly map the IOMMU themselves instead
of using the DMA domain. Allow those devices to opt in to direct
mapping by way of a list of compatible strings.

Co-developed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/7cf1f64167b5545b7f42275395be1f1e2ea3a6ac.1587407458.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Will Deacon <will@kernel.org>

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Jordan Crouse 2020-04-21 00:03:51 +05:30 • committed by Will Deacon

parent 232c5ae8a3

commit 0e764a0101

1 changed files with 19 additions and 0 deletions

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drivers/iommu/arm-smmu-qcom.c

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