diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 27 |
2 files changed, 6 insertions, 25 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index 51dcdf66e9e6..af9b597b10af 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -1410,13 +1410,11 @@ static int dev_has_iommu_table(struct device *dev, void *data) { struct pci_dev *pdev = to_pci_dev(dev); struct pci_dev **ppdev = data; - struct iommu_table *tbl; if (!dev) return 0; - tbl = get_iommu_table_base(dev); - if (tbl && tbl->it_group) { + if (dev->iommu_group) { *ppdev = pdev; return 1; } diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index b2841853550a..5491d2f0e192 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1655,21 +1655,15 @@ static u64 pnv_pci_ioda_dma_get_required_mask(struct pnv_phb *phb, } static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe, - struct pci_bus *bus, - bool add_to_iommu_group) + struct pci_bus *bus) { struct pci_dev *dev; list_for_each_entry(dev, &bus->devices, bus_list) { - if (add_to_iommu_group) - set_iommu_table_base_and_group(&dev->dev, - pe->tce32_table); - else - set_iommu_table_base(&dev->dev, pe->tce32_table); + set_iommu_table_base_and_group(&dev->dev, pe->tce32_table); if (dev->subordinate) - pnv_ioda_setup_bus_dma(pe, dev->subordinate, - add_to_iommu_group); + pnv_ioda_setup_bus_dma(pe, dev->subordinate); } } @@ -1846,7 +1840,7 @@ static void pnv_pci_ioda_setup_dma_pe(struct pnv_phb *phb, } else if (pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL)) { iommu_register_group(tbl, phb->hose->global_number, pe->pe_number); - pnv_ioda_setup_bus_dma(pe, pe->pbus, true); + pnv_ioda_setup_bus_dma(pe, pe->pbus); } else if (pe->flags & PNV_IODA_PE_VF) { iommu_register_group(tbl, phb->hose->global_number, pe->pe_number); @@ -1883,17 +1877,6 @@ static void pnv_pci_ioda2_set_bypass(struct iommu_table *tbl, bool enable) window_id, pe->tce_bypass_base, 0); - - /* - * EEH needs the mapping between IOMMU table and group - * of those VFIO/KVM pass-through devices. We can postpone - * resetting DMA ops until the DMA mask is configured in - * host side. - */ - if (pe->pdev) - set_iommu_table_base(&pe->pdev->dev, tbl); - else - pnv_ioda_setup_bus_dma(pe, pe->pbus, false); } if (rc) pe_err(pe, "OPAL error %lld configuring bypass window\n", rc); @@ -1985,7 +1968,7 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, } else if (pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL)) { iommu_register_group(tbl, phb->hose->global_number, pe->pe_number); - pnv_ioda_setup_bus_dma(pe, pe->pbus, true); + pnv_ioda_setup_bus_dma(pe, pe->pbus); } else if (pe->flags & PNV_IODA_PE_VF) { iommu_register_group(tbl, phb->hose->global_number, pe->pe_number); |