diff options
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index c393bf59f113..49b57b9f835d 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -443,6 +443,17 @@ static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev set_iommu_table_base(&pdev->dev, &pe->tce32_table); } +static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe, struct pci_bus *bus) +{ + struct pci_dev *dev; + + list_for_each_entry(dev, &bus->devices, bus_list) { + set_iommu_table_base(&dev->dev, &pe->tce32_table); + if (dev->subordinate) + pnv_ioda_setup_bus_dma(pe, dev->subordinate); + } +} + static void pnv_pci_ioda1_tce_invalidate(struct iommu_table *tbl, u64 *startp, u64 *endp) { @@ -599,6 +610,11 @@ static void pnv_pci_ioda_setup_dma_pe(struct pnv_phb *phb, iommu_init_table(tbl, phb->hose->node); iommu_register_group(tbl, pci_domain_nr(pe->pbus), pe->pe_number); + if (pe->pdev) + set_iommu_table_base(&pe->pdev->dev, tbl); + else + pnv_ioda_setup_bus_dma(pe, pe->pbus); + return; fail: /* XXX Failure: Try to fallback to 64-bit only ? */ @@ -670,6 +686,11 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, } iommu_init_table(tbl, phb->hose->node); + if (pe->pdev) + set_iommu_table_base(&pe->pdev->dev, tbl); + else + pnv_ioda_setup_bus_dma(pe, pe->pbus); + return; fail: if (pe->tce32_seg >= 0) |