From: Robin Murphy Date: Wed, 11 Aug 2021 12:21:31 +0000 (+0100) Subject: iommu/amd: Prepare for multiple DMA domain types X-Git-Tag: v5.15~301^2~5^7~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6d596039392bac2a0160fb71300d314943411e2a;p=platform%2Fkernel%2Flinux-starfive.git iommu/amd: Prepare for multiple DMA domain types The DMA ops reset/setup can simply be unconditional, since iommu-dma already knows only to touch DMA domains. Signed-off-by: Robin Murphy Link: https://lore.kernel.org/r/6450b4f39a5a086d505297b4a53ff1e4a7a0fe7c.1628682049.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 0fd98d3..02f9b4f 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)