From 602d38bc65aa2926d1ecd290a348e87aa8c21290 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Wed, 11 Jan 2017 17:36:52 +0530 Subject: [PATCH] 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 Signed-off-by: Bjorn Helgaas --- drivers/pci/dwc/pci-dra7xx.c | 21 +++++---------------- 1 file 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; }