[Very RFC 41/46] powernv/eeh: Remove pdn setup for SR-IOV VFs
From: Oliver O'Halloran <oohall@gmail.com>
Date: 2019-11-20 02:52:47
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
We don't need a pci_dn for the VF any more, so we can skip adding them. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> --- arch/powerpc/platforms/powernv/pci-ioda.c | 16 ---------------- 1 file changed, 16 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index d111a50fbe68..d3e375d71cdc 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c@@ -1526,7 +1526,6 @@ static void pnv_ioda_setup_vf_PE(struct pci_dev *pdev, u16 num_vfs) for (vf_index = 0; vf_index < num_vfs; vf_index++) { int vf_devfn = pci_iov_virtfn_devfn(pdev, vf_index); int vf_bus = pci_iov_virtfn_bus(pdev, vf_index); - struct pci_dn *vf_pdn; if (iov->m64_single_mode) pe_num = iov->pe_num_map[vf_index];
@@ -1558,15 +1557,6 @@ static void pnv_ioda_setup_vf_PE(struct pci_dev *pdev, u16 num_vfs) list_add_tail(&pe->list, &phb->ioda.pe_list); mutex_unlock(&phb->ioda.pe_list_mutex); - /* associate this pe to it's pdn */ - list_for_each_entry(vf_pdn, &pdn->parent->child_list, list) { - if (vf_pdn->busno == vf_bus && - vf_pdn->devfn == vf_devfn) { - vf_pdn->pe_number = pe_num; - break; - } - } - pnv_pci_ioda2_setup_dma_pe(phb, pe); #ifdef CONFIG_IOMMU_API iommu_register_group(&pe->table_group,
@@ -1688,17 +1678,11 @@ int pnv_pci_sriov_enable(struct pci_dev *pdev, u16 num_vfs) int pnv_pcibios_sriov_disable(struct pci_dev *pdev) { pnv_pci_sriov_disable(pdev); - - /* Release PCI data */ - remove_sriov_vf_pdns(pdev); return 0; } int pnv_pcibios_sriov_enable(struct pci_dev *pdev, u16 num_vfs) { - /* Allocate PCI data */ - add_sriov_vf_pdns(pdev); - return pnv_pci_sriov_enable(pdev, num_vfs); } #endif /* CONFIG_PCI_IOV */
--
2.21.0