Checking only for platform device for the PCI devices and creating the devlink causes regression on SPARCv9 systems as they seem to have platform device populated elsewhere. So add a check for supplies in DT to make sure that the devlink is only created for devices that require pwrctrl support. Reported-by: Jonathan Currier <dullfire@xxxxxxxxx> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219513 Fixes: 03cfe0e05650 ("PCI/pwrctl: Ensure that the pwrctl drivers are probed before the PCI client drivers") Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> --- drivers/pci/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 7a061cc860d5..e70f4c089cd4 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -394,7 +394,7 @@ void pci_bus_add_device(struct pci_dev *dev) * PCI client drivers. */ pdev = of_find_device_by_node(dn); - if (pdev) { + if (pdev && of_pci_is_supply_present(dn)) { if (!device_link_add(&dev->dev, &pdev->dev, DL_FLAG_AUTOREMOVE_CONSUMER)) pci_err(dev, "failed to add device link between %s and %s\n", -- 2.25.1
