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authorRobin Murphy <robin.murphy@arm.com>2021-08-11 13:21:31 +0100
committerJoerg Roedel <jroedel@suse.de>2021-08-18 13:27:49 +0200
commit6d596039392bac2a0160fb71300d314943411e2a (patch)
tree878297d753cf3010120b402e407743dddbe64eb7 /drivers/iommu/amd
parentbf3aed4660c6e3c44c69f07d8927ee5a22a952ac (diff)
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 <robin.murphy@arm.com> Link: https://lore.kernel.org/r/6450b4f39a5a086d505297b4a53ff1e4a7a0fe7c.1628682049.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd')
-rw-r--r--drivers/iommu/amd/iommu.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 0fd98d35d73b..02f9b4fffe90 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)