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

23 lines
838 B
Diff
Raw Normal View History

2012-12-15 01:59:45 +00:00
Index: linux-3.7-rc8/arch/mips/pci/pci-lantiq.c
===================================================================
--- linux-3.7-rc8.orig/arch/mips/pci/pci-lantiq.c 2012-12-03 20:22:37.000000000 +0100
+++ linux-3.7-rc8/arch/mips/pci/pci-lantiq.c 2012-12-14 23:28:24.355606776 +0100
@@ -129,8 +129,15 @@
/* setup reset gpio used by pci */
reset_gpio = of_get_named_gpio(node, "gpio-reset", 0);
- if (gpio_is_valid(reset_gpio))
- devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
+ if (gpio_is_valid(reset_gpio)) {
+ int ret = devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to request gpio %d\n", reset_gpio);
+ return ret;
+ }
+ gpio_direction_output(reset_gpio, 1);
+ }
/* enable auto-switching between PCI and EBU */
ltq_pci_w32(0xa, PCI_CR_CLK_CTRL);