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iommu/virtio: Build virtio-iommu as module

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Now that the infrastructure changes are in place, enable virtio-iommu to
be built as a module. Remove the redundant pci_request_acs() call, since
it's not exported but is already invoked during DMA setup.

Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Jean-Philippe Brucker 2020-02-14 17:38:27 +01:00 • committed by Joerg Roedel
parent f8788d86ab
commit fa4afd78ea
2 changed files with 2 additions and 3 deletions
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4
drivers/iommu/Kconfig
View file

@ -506,8 +506,8 @@ config HYPERV_IOMMU
guests to run with x2APIC mode enabled. guests to run with x2APIC mode enabled.
config VIRTIO_IOMMU config VIRTIO_IOMMU
bool "Virtio IOMMU driver" tristate "Virtio IOMMU driver"
depends on VIRTIO=y depends on VIRTIO
depends on ARM64 depends on ARM64
select IOMMU_API select IOMMU_API
select INTERVAL_TREE select INTERVAL_TREE

1
drivers/iommu/virtio-iommu.c
View file

@ -1082,7 +1082,6 @@ static int viommu_probe(struct virtio_device *vdev)
#ifdef CONFIG_PCI #ifdef CONFIG_PCI
if (pci_bus_type.iommu_ops != &viommu_ops) { if (pci_bus_type.iommu_ops != &viommu_ops) {
pci_request_acs();
ret = bus_set_iommu(&pci_bus_type, &viommu_ops); ret = bus_set_iommu(&pci_bus_type, &viommu_ops);
if (ret) if (ret)
goto err_unregister; goto err_unregister;