media: cec: ao-cec: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <[e-mail]>
Reviewed-by: Neil Armstrong <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/cec/platform/meson/ao-cec-g12a.c

···
 {
 	struct meson_ao_cec_g12a_device *ao_cec;
 	struct device *hdmi_dev;
-	struct resource *res;
 	void __iomem *base;
 	int ret, irq;
 
···
 
 	ao_cec->adap->owner = THIS_MODULE;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base)) {
 		ret = PTR_ERR(base);
 		goto out_probe_adapter;

drivers/media/cec/platform/meson/ao-cec.c

···
 {
 	struct meson_ao_cec_device *ao_cec;
 	struct device *hdmi_dev;
-	struct resource *res;
 	int ret, irq;
 
 	hdmi_dev = cec_notifier_parse_hdmi_phandle(&pdev->dev);
···
 
 	ao_cec->adap->owner = THIS_MODULE;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ao_cec->base = devm_ioremap_resource(&pdev->dev, res);
+	ao_cec->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ao_cec->base)) {
 		ret = PTR_ERR(ao_cec->base);
 		goto out_probe_adapter;