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

1Index: 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);
23

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