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: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-lpc18xx.c b/drivers/gpio/gpio-lpc18xx.c
index 59e6c0ba6b13027d76d185bbabb4c3a2b4b289a7..52246221328b5d25f292cfea462df2837490b227 100644 (file)
--- a/drivers/gpio/gpio-lpc18xx.c
+++ b/drivers/gpio/gpio-lpc18xx.c
@@ -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;
        }