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