diff options
Diffstat (limited to 'arch/mips/pci/pci-lantiq.c')
| -rw-r--r-- | arch/mips/pci/pci-lantiq.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 95681789b51e..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) /* 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); @@ -214,13 +222,13 @@ static int ltq_pci_probe(struct platform_device *pdev) return -EINVAL; } - ltq_pci_membase = devm_request_and_ioremap(&pdev->dev, res_bridge); - ltq_pci_mapped_cfg = devm_request_and_ioremap(&pdev->dev, res_cfg); + ltq_pci_membase = devm_ioremap_resource(&pdev->dev, res_bridge); + if (IS_ERR(ltq_pci_membase)) + return PTR_ERR(ltq_pci_membase); - if (!ltq_pci_membase || !ltq_pci_mapped_cfg) { - dev_err(&pdev->dev, "failed to remap resources\n"); - return -ENOMEM; - } + ltq_pci_mapped_cfg = devm_ioremap_resource(&pdev->dev, res_cfg); + if (IS_ERR(ltq_pci_mapped_cfg)) + return PTR_ERR(ltq_pci_mapped_cfg); ltq_pci_startup(pdev); |