pwm: mediatek: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

drivers/pwm/pwm-mediatek.c

@@ -208,7 +208,6 @@ static const struct pwm_ops pwm_mediatek_ops = {
 static int pwm_mediatek_probe(struct platform_device *pdev)
 {
 	struct pwm_mediatek_chip *pc;
-	struct resource *res;
 	unsigned int i;
 	int ret;
 
@@ -218,8 +217,7 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
 
 	pc->soc = of_device_get_match_data(&pdev->dev);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	pc->regs = devm_ioremap_resource(&pdev->dev, res);
+	pc->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pc->regs))
 		return PTR_ERR(pc->regs);