Messages in this thread Patch in this message | | | From | Robin Murphy <> | Subject | [PATCH 15/23] iommu/amd: Prepare for multiple DMA domain types | Date | Wed, 21 Jul 2021 19:20:26 +0100 |
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The DMA ops setup can simply be unconditional, since iommu-dma already knows not to touch identity domains.
Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- drivers/iommu/amd/iommu.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 40ae7130fc80..1e992ef21f34 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1707,14 +1707,9 @@ static struct iommu_device *amd_iommu_probe_device(struct device *dev) static void amd_iommu_probe_finalize(struct device *dev) { - struct iommu_domain *domain; - /* Domains are initialized for this device - have a look what we ended up with */ - domain = iommu_get_domain_for_dev(dev); - if (domain->type == IOMMU_DOMAIN_DMA) - iommu_setup_dma_ops(dev, 0, U64_MAX); - else - set_dma_ops(dev, NULL); + set_dma_ops(dev, NULL); + iommu_setup_dma_ops(dev, 0, U64_MAX); } static void amd_iommu_release_device(struct device *dev) -- 2.25.1
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