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Commit 9dd1a30c authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Linus Walleij
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gpio: lpc18xx: add struct device local variable 



This is a non-functional change, it simplifies multiple access to
'struct device' pointer derived from a platform device pointer,
the new local variable will also be used in the following changes.

Signed-off-by: default avatarVladimir Zapolskiy <vz@mleia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 9b34d05a

drivers/gpio/gpio-lpc18xx.c

+8 −7
Original line number Diff line number Diff line
@@ -89,11 +89,12 @@ static const struct gpio_chip lpc18xx_chip = { 


static int lpc18xx_gpio_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct lpc18xx_gpio_chip *gc;

	struct resource *res;

	int ret;



	gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL);

	gc = devm_kzalloc(dev, sizeof(*gc), GFP_KERNEL);

	if (!gc)

		return -ENOMEM;
@@ -101,29 +102,29 @@ static int lpc18xx_gpio_probe(struct platform_device *pdev) 
	platform_set_drvdata(pdev, gc);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	gc->base = devm_ioremap_resource(&pdev->dev, res);

	gc->base = devm_ioremap_resource(dev, res);

	if (IS_ERR(gc->base))

		return PTR_ERR(gc->base);



	gc->clk = devm_clk_get(&pdev->dev, NULL);

	gc->clk = devm_clk_get(dev, NULL);

	if (IS_ERR(gc->clk)) {

		dev_err(&pdev->dev, "input clock not found\n");

		dev_err(dev, "input clock not found\n");

		return PTR_ERR(gc->clk);

	}



	ret = clk_prepare_enable(gc->clk);

	if (ret) {

		dev_err(&pdev->dev, "unable to enable clock\n");

		dev_err(dev, "unable to enable clock\n");

		return ret;

	}



	spin_lock_init(&gc->lock);



	gc->gpio.parent = &pdev->dev;

	gc->gpio.parent = dev;



	ret = gpiochip_add_data(&gc->gpio, gc);

	if (ret) {

		dev_err(&pdev->dev, "failed to add gpio chip\n");

		dev_err(dev, "failed to add gpio chip\n");

		clk_disable_unprepare(gc->clk);

		return ret;

	}