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iommu/amd: Request passthrough mode from IOMMU core

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Get rid of the iommu_pass_through variable and request
passthrough mode via the new iommu core function.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2019-08-19 15:22:49 +02:00
parent adab0b07cb
commit cc7c8ad973
1 changed files with 3 additions and 3 deletions
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6
drivers/iommu/amd_iommu.c
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@ -436,7 +436,7 @@ static int iommu_init_device(struct device *dev)
* invalid address), we ignore the capability for the device so
* it'll be forced to go into translation mode.
*/
if ((iommu_pass_through || !amd_iommu_force_isolation) &&
if ((iommu_default_passthrough() || !amd_iommu_force_isolation) &&
dev_is_pci(dev) && pci_iommuv2_capable(to_pci_dev(dev))) {
struct amd_iommu *iommu;
@ -2226,7 +2226,7 @@ static int amd_iommu_add_device(struct device *dev)
BUG_ON(!dev_data);
if (iommu_pass_through || dev_data->iommu_v2)
if (dev_data->iommu_v2)
iommu_request_dm_for_dev(dev);
/* Domains are initialized for this device - have a look what we ended up with */
@ -2805,7 +2805,7 @@ int __init amd_iommu_init_api(void)
int __init amd_iommu_init_dma_ops(void)
{
swiotlb = (iommu_pass_through || sme_me_mask) ? 1 : 0;
swiotlb = (iommu_default_passthrough() || sme_me_mask) ? 1 : 0;
iommu_detected = 1;
if (amd_iommu_unmap_flush)