diff options
Diffstat (limited to 'drivers/pci/controller/pcie-cadence-host.c')
| -rw-r--r-- | drivers/pci/controller/pcie-cadence-host.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/controller/pcie-cadence-host.c b/drivers/pci/controller/pcie-cadence-host.c index 36f31092562f..e3e9b7de8592 100644 --- a/drivers/pci/controller/pcie-cadence-host.c +++ b/drivers/pci/controller/pcie-cadence-host.c @@ -61,6 +61,8 @@ static void __iomem *cdns_pci_map_bus(struct pci_bus *bus, unsigned int devfn, /* Check that the link is up */ if (!(cdns_pcie_readl(pcie, CDNS_PCIE_LM_BASE) & 0x1)) return NULL; + /* Clear AXI link-down status */ + cdns_pcie_writel(pcie, CDNS_PCIE_AT_LINKDOWN, 0x0); /* Update Output registers for AXI region 0. */ addr0 = CDNS_PCIE_AT_OB_REGION_PCI_ADDR0_NBITS(12) | @@ -345,6 +347,7 @@ static struct platform_driver cdns_pcie_host_driver = { .driver = { .name = "cdns-pcie-host", .of_match_table = cdns_pcie_host_of_match, + .pm = &cdns_pcie_pm_ops, }, .probe = cdns_pcie_host_probe, }; |