diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-kirin.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-kirin.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c index 6f01ae013326..d0a6a2dee6f5 100644 --- a/drivers/pci/controller/dwc/pcie-kirin.c +++ b/drivers/pci/controller/dwc/pcie-kirin.c @@ -508,8 +508,12 @@ static int kirin_pcie_probe(struct platform_device *pdev) kirin_pcie->gpio_id_reset = of_get_named_gpio(dev->of_node, "reset-gpios", 0); - if (kirin_pcie->gpio_id_reset < 0) + if (kirin_pcie->gpio_id_reset == -EPROBE_DEFER) { + return -EPROBE_DEFER; + } else if (!gpio_is_valid(kirin_pcie->gpio_id_reset)) { + dev_err(dev, "unable to get a valid gpio pin\n"); return -ENODEV; + } ret = kirin_pcie_power_on(kirin_pcie); if (ret) |