If the link is not up till the pwrctl drivers enable power to endpoints then cur_bus_speed will not be updated with correct speed. As part of rescan, pci_bus_add_devices() will be called and as part of it update the link bus speed. Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx> --- drivers/pci/bus.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 98910bc0fcc4..994879071d4c 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -432,6 +432,9 @@ void pci_bus_add_devices(const struct pci_bus *bus) struct pci_dev *dev; struct pci_bus *child; + if (bus->self) + pcie_update_link_speed((struct pci_bus *)bus); + list_for_each_entry(dev, &bus->devices, bus_list) { /* Skip already-added devices */ if (pci_dev_is_added(dev)) -- 2.34.1