diff options
Diffstat (limited to 'drivers/pci/controller/pcie-n1sdp.c')
| -rw-r--r-- | drivers/pci/controller/pcie-n1sdp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/controller/pcie-n1sdp.c b/drivers/pci/controller/pcie-n1sdp.c index 327aee9c5564..45bbe506045a 100644 --- a/drivers/pci/controller/pcie-n1sdp.c +++ b/drivers/pci/controller/pcie-n1sdp.c @@ -61,6 +61,7 @@ static void __iomem *pci_n1sdp_map_bus(struct pci_bus *bus, unsigned int devfn, unsigned int segment = bus->domain_nr; unsigned int bdf_addr; unsigned int table_count, i; + struct pci_dev *dev; if (segment >= MAX_SEGMENTS || busn < cfg->busr.start || busn > cfg->busr.end) @@ -70,6 +71,14 @@ static void __iomem *pci_n1sdp_map_bus(struct pci_bus *bus, unsigned int devfn, if (busn == 0 && devfn == 0) return rc_remapped_addr[segment] + where; + dev = pci_get_domain_bus_and_slot(segment, busn, devfn); + if (dev && dev->is_virtfn) + return pci_ecam_map_bus(bus, devfn, where); + + /* Accesses beyond the vendor ID always go to existing devices. */ + if (where > 0) + return pci_ecam_map_bus(bus, devfn, where); + busn -= cfg->busr.start; bdf_addr = (busn << cfg->ops->bus_shift) + (devfn << devfn_shift); table_count = pcie_discovery_data[segment]->nr_bdfs; |