target/linux/lantiq/patches-3.7/0124-pci_fix.patch

   1 --- a/arch/mips/pci/pci-lantiq.c
   2 +++ b/arch/mips/pci/pci-lantiq.c
   3 @@ -129,8 +129,15 @@ static int __devinit ltq_pci_startup(str
   4
   5         /* setup reset gpio used by pci */
   6         reset_gpio = of_get_named_gpio(node, "gpio-reset", 0);
   7 -       if (gpio_is_valid(reset_gpio))
   8 -               devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
   9 +       if (gpio_is_valid(reset_gpio)) {
  10 +               int ret = devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
  11 +               if (ret) {
  12 +                       dev_err(&pdev->dev,
  13 +                               "failed to request gpio %d\n", reset_gpio);
  14 +                       return ret;
  15 +               }
  16 +               gpio_direction_output(reset_gpio, 1);
  17 +       }
  18
  19         /* enable auto-switching between PCI and EBU */
  20         ltq_pci_w32(0xa, PCI_CR_CLK_CTRL);