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Subject[PATCH 2/5] PCI: dwc: dra7xx: Simplify the probe code
Date
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>
---
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 9595fad..f6d0c63 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;
}

--
1.7.9.5
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