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iommu/amd: Drop IOVA cookie management

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The core code bakes its own cookies now.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/648e74e7422caa6a7db7fb0c36813c7bd2007af8.1628682048.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Robin Murphy 2021-08-11 13:21:16 +01:00 committed by Joerg Roedel
parent 46983fcd67
commit 3f166dae1a
1 changed files with 0 additions and 12 deletions
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12
drivers/iommu/amd/iommu.c
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@ -1918,16 +1918,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type)
domain->domain.geometry.aperture_end = ~0ULL;
domain->domain.geometry.force_aperture = true;
if (type == IOMMU_DOMAIN_DMA &&
iommu_get_dma_cookie(&domain->domain) == -ENOMEM)
goto free_domain;
return &domain->domain;
free_domain:
protection_domain_free(domain);
return NULL;
}
static void amd_iommu_domain_free(struct iommu_domain *dom)
@ -1944,9 +1935,6 @@ static void amd_iommu_domain_free(struct iommu_domain *dom)
if (!dom)
return;
if (dom->type == IOMMU_DOMAIN_DMA)
iommu_put_dma_cookie(&domain->domain);
if (domain->flags & PD_IOMMUV2_MASK)
free_gcr3_table(domain);