diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp_hpc.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 7b5f9db60d9a..f0f3f4a3dac4 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -214,13 +214,6 @@ bool pciehp_check_link_active(struct controller *ctrl) return ret; } -static void pcie_wait_link_active(struct controller *ctrl) -{ - struct pci_dev *pdev = ctrl_dev(ctrl); - - pcie_wait_for_link(pdev, true); -} - static bool pci_bus_check_dev(struct pci_bus *bus, int devfn) { u32 l; @@ -253,18 +246,9 @@ int pciehp_check_link_status(struct controller *ctrl) bool found; u16 lnk_status; - /* - * Data Link Layer Link Active Reporting must be capable for - * hot-plug capable downstream port. But old controller might - * not implement it. In this case, we wait for 1000 ms. - */ - if (ctrl->link_active_reporting) - pcie_wait_link_active(ctrl); - else - msleep(1000); + if (!pcie_wait_for_link(pdev, true)) + return -1; - /* wait 100ms before read pci conf, and try in 1s */ - msleep(100); found = pci_bus_check_dev(ctrl->pcie->port->subordinate, PCI_DEVFN(0, 0)); @@ -865,8 +849,6 @@ struct controller *pcie_init(struct pcie_device *dev) /* Check if Data Link Layer Link Active Reporting is implemented */ pcie_capability_read_dword(pdev, PCI_EXP_LNKCAP, &link_cap); - if (link_cap & PCI_EXP_LNKCAP_DLLLARC) - ctrl->link_active_reporting = 1; /* Clear all remaining event bits in Slot Status register. */ pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, |