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

   1 Index: linux-3.7-rc8/arch/mips/pci/pci-lantiq.c
   2 ===================================================================
   3 --- linux-3.7-rc8.orig/arch/mips/pci/pci-lantiq.c       2012-12-03 20:22:37.000000000 +0100
   4 +++ linux-3.7-rc8/arch/mips/pci/pci-lantiq.c    2012-12-14 23:28:24.355606776 +0100
   5 @@ -129,8 +129,15 @@
   6
   7         /* setup reset gpio used by pci */
   8         reset_gpio = of_get_named_gpio(node, "gpio-reset", 0);
   9 -       if (gpio_is_valid(reset_gpio))
  10 -               devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
  11 +       if (gpio_is_valid(reset_gpio)) {
  12 +               int ret = devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
  13 +               if (ret) {
  14 +                       dev_err(&pdev->dev,
  15 +                               "failed to request gpio %d\n", reset_gpio);
  16 +                       return ret;
  17 +               }
  18 +               gpio_direction_output(reset_gpio, 1);
  19 +       }
  20
  21         /* enable auto-switching between PCI and EBU */
  22         ltq_pci_w32(0xa, PCI_CR_CLK_CTRL);