Commit 6d596039 authored by Robin Murphy's avatar Robin Murphy Committed by Joerg Roedel
Browse files

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: default avatarRobin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/6450b4f39a5a086d505297b4a53ff1e4a7a0fe7c.1628682049.git.robin.murphy@arm.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent bf3aed46

drivers/iommu/amd/iommu.c

+2 −7
Original line number Diff line number Diff line
@@ -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);

	iommu_setup_dma_ops(dev, 0, U64_MAX);

}



static void amd_iommu_release_device(struct device *dev)