diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv')
| -rw-r--r-- | arch/powerpc/platforms/powernv/npu-dma.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.c | 2 |
3 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index d7f742ed48ba..3f58c7dbd581 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -564,7 +564,7 @@ struct iommu_table_group *pnv_try_setup_npu_table_group(struct pnv_ioda_pe *pe) } } else { /* Create a group for 1 GPU and attached NPUs for POWER8 */ - pe->npucomp = kzalloc(sizeof(pe->npucomp), GFP_KERNEL); + pe->npucomp = kzalloc(sizeof(*pe->npucomp), GFP_KERNEL); table_group = &pe->npucomp->table_group; table_group->ops = &pnv_npu_peers_ops; iommu_register_group(table_group, hose->global_number, diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 1d6406a051f1..145373f0e5dc 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1593,6 +1593,8 @@ static void pnv_ioda_setup_vf_PE(struct pci_dev *pdev, u16 num_vfs) pnv_pci_ioda2_setup_dma_pe(phb, pe); #ifdef CONFIG_IOMMU_API + iommu_register_group(&pe->table_group, + pe->phb->hose->global_number, pe->pe_number); pnv_ioda_setup_bus_iommu_group(pe, &pe->table_group, NULL); #endif } @@ -2681,7 +2683,8 @@ static void pnv_pci_ioda_setup_iommu_api(void) list_for_each_entry(hose, &hose_list, list_node) { phb = hose->private_data; - if (phb->type == PNV_PHB_NPU_NVLINK) + if (phb->type == PNV_PHB_NPU_NVLINK || + phb->type == PNV_PHB_NPU_OCAPI) continue; list_for_each_entry(pe, &phb->ioda.pe_list, list) { diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 45fb70b4bfa7..ef9448a907c6 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -1147,6 +1147,8 @@ static int pnv_tce_iommu_bus_notifier(struct notifier_block *nb, return 0; pe = &phb->ioda.pe_array[pdn->pe_number]; + if (!pe->table_group.group) + return 0; iommu_add_device(&pe->table_group, dev); return 0; case BUS_NOTIFY_DEL_DEVICE: |
