Commit e9bc03fe2274bfdac8870025f81571ebfbc92c78

Authored by Gavin Shan
Committed by Benjamin Herrenschmidt
1 parent 65fd766b99

powerpc/powernv: Don't use pe->pbus to get the domain number

If the PE contains single PCI function, "pe->pbus" would be NULL.
It's not reliable to be used by pci_domain_nr().  We just grab the
PCI domain number from the PCI host controller (struct pci_controller)
instance.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Showing 1 changed file with 2 additions and 2 deletions Side-by-side Diff

arch/powerpc/platforms/powernv/pci-ioda.c
... ... @@ -672,7 +672,7 @@
672 672 TCE_PCI_SWINV_PAIR);
673 673 }
674 674 iommu_init_table(tbl, phb->hose->node);
675   - iommu_register_group(tbl, pci_domain_nr(pe->pbus), pe->pe_number);
  675 + iommu_register_group(tbl, phb->hose->global_number, pe->pe_number);
676 676  
677 677 if (pe->pdev)
678 678 set_iommu_table_base_and_group(&pe->pdev->dev, tbl);
... ... @@ -800,7 +800,7 @@
800 800 tbl->it_type |= (TCE_PCI_SWINV_CREATE | TCE_PCI_SWINV_FREE);
801 801 }
802 802 iommu_init_table(tbl, phb->hose->node);
803   - iommu_register_group(tbl, pci_domain_nr(pe->pbus), pe->pe_number);
  803 + iommu_register_group(tbl, phb->hose->global_number, pe->pe_number);
804 804  
805 805 if (pe->pdev)
806 806 set_iommu_table_base_and_group(&pe->pdev->dev, tbl);