diff options
| author | Kishon Vijay Abraham I <kishon@ti.com> | 2017-01-11 17:36:52 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-02-21 14:59:59 -0600 |
| commit | 602d38bc65aa2926d1ecd290a348e87aa8c21290 (patch) | |
| tree | 4217ba6c3f9d63d3bfc675afe8fa813c688a6f09 /drivers/pci | |
| parent | 950bf6388bc22c2749b8b66c501df1462639d6bd (diff) | |
| download | linux-602d38bc65aa2926d1ecd290a348e87aa8c21290.tar.bz2 | |
PCI: dra7xx: Simplify probe code with devm_gpiod_get_optional()
No functional change. Use the new devm_gpiod_get_optional() to simplify
the probe code.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/dwc/pci-dra7xx.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c index 9595fad63f6f..f6d0c630f7d6 100644 --- a/drivers/pci/dwc/pci-dra7xx.c +++ b/drivers/pci/dwc/pci-dra7xx.c @@ -320,9 +320,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; char name[10]; - int gpio_sel; - enum of_gpio_flags flags; - unsigned long gpio_flags; + struct gpio_desc *reset; dra7xx = devm_kzalloc(dev, sizeof(*dra7xx), GFP_KERNEL); if (!dra7xx) @@ -388,19 +386,10 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) goto err_get_sync; } - gpio_sel = of_get_gpio_flags(dev->of_node, 0, &flags); - if (gpio_is_valid(gpio_sel)) { - gpio_flags = (flags & OF_GPIO_ACTIVE_LOW) ? - GPIOF_OUT_INIT_LOW : GPIOF_OUT_INIT_HIGH; - ret = devm_gpio_request_one(dev, gpio_sel, gpio_flags, - "pcie_reset"); - if (ret) { - dev_err(dev, "gpio%d request failed, ret %d\n", - gpio_sel, ret); - goto err_gpio; - } - } else if (gpio_sel == -EPROBE_DEFER) { - ret = -EPROBE_DEFER; + reset = devm_gpiod_get_optional(dev, NULL, GPIOD_OUT_HIGH); + if (IS_ERR(reset)) { + ret = PTR_ERR(reset); + dev_err(&pdev->dev, "gpio request failed, ret %d\n", ret); goto err_gpio; } |