diff options
Diffstat (limited to 'arch/mips/pci/pci-lantiq.c')
-rw-r--r-- | arch/mips/pci/pci-lantiq.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 910fb4c20b9e..879077b01155 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c | |||
@@ -129,8 +129,16 @@ static int ltq_pci_startup(struct platform_device *pdev) | |||
129 | 129 | ||
130 | /* setup reset gpio used by pci */ | 130 | /* setup reset gpio used by pci */ |
131 | reset_gpio = of_get_named_gpio(node, "gpio-reset", 0); | 131 | reset_gpio = of_get_named_gpio(node, "gpio-reset", 0); |
132 | if (gpio_is_valid(reset_gpio)) | 132 | if (gpio_is_valid(reset_gpio)) { |
133 | devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset"); | 133 | int ret = devm_gpio_request(&pdev->dev, |
134 | reset_gpio, "pci-reset"); | ||
135 | if (ret) { | ||
136 | dev_err(&pdev->dev, | ||
137 | "failed to request gpio %d\n", reset_gpio); | ||
138 | return ret; | ||
139 | } | ||
140 | gpio_direction_output(reset_gpio, 1); | ||
141 | } | ||
134 | 142 | ||
135 | /* enable auto-switching between PCI and EBU */ | 143 | /* enable auto-switching between PCI and EBU */ |
136 | ltq_pci_w32(0xa, PCI_CR_CLK_CTRL); | 144 | ltq_pci_w32(0xa, PCI_CR_CLK_CTRL); |