diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/iommu.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index be17d2395072..a65c76308201 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -251,7 +251,7 @@ static void iommu_table_setparms(struct pci_controller *phb, const unsigned long *basep; const u32 *sizep; - node = (struct device_node *)phb->arch_data; + node = phb->dn; basep = of_get_property(node, "linux,tce-base", NULL); sizep = of_get_property(node, "linux,tce-size", NULL); @@ -296,11 +296,12 @@ static void iommu_table_setparms(struct pci_controller *phb, static void iommu_table_setparms_lpar(struct pci_controller *phb, struct device_node *dn, struct iommu_table *tbl, - const void *dma_window) + const void *dma_window, + int bussubno) { unsigned long offset, size; - tbl->it_busno = PCI_DN(dn)->bussubno; + tbl->it_busno = bussubno; of_parse_dma_window(dn, dma_window, &tbl->it_index, &offset, &size); tbl->it_base = 0; @@ -420,17 +421,10 @@ static void pci_dma_bus_setup_pSeriesLP(struct pci_bus *bus) pdn->full_name, ppci->iommu_table); if (!ppci->iommu_table) { - /* Bussubno hasn't been copied yet. - * Do it now because iommu_table_setparms_lpar needs it. - */ - - ppci->bussubno = bus->number; - tbl = kmalloc_node(sizeof(struct iommu_table), GFP_KERNEL, ppci->phb->node); - - iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window); - + iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window, + bus->number); ppci->iommu_table = iommu_init_table(tbl, ppci->phb->node); DBG(" created table: %p\n", ppci->iommu_table); } @@ -523,14 +517,10 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) pci = PCI_DN(pdn); if (!pci->iommu_table) { - /* iommu_table_setparms_lpar needs bussubno. */ - pci->bussubno = pci->phb->bus->number; - tbl = kmalloc_node(sizeof(struct iommu_table), GFP_KERNEL, pci->phb->node); - - iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window); - + iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window, + pci->phb->bus->number); pci->iommu_table = iommu_init_table(tbl, pci->phb->node); DBG(" created table: %p\n", pci->iommu_table); } else { @@ -556,7 +546,7 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti case PSERIES_RECONFIG_REMOVE: if (pci && pci->iommu_table && of_get_property(np, "ibm,dma-window", NULL)) - iommu_free_table(np); + iommu_free_table(pci->iommu_table, np->full_name); break; default: err = NOTIFY_DONE; |