drm/komeda: Use devm_platform_ioremap_resource() in komeda_dev_create() (50ec5b56) · Commits · 戴 / test

Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by:

drivers/gpu/drm/arm/display/komeda/komeda_dev.c

+1 −8

Original line number	Diff line number	Diff line
		@@ -184,19 +184,12 @@ struct komeda_dev komeda_dev_create(struct device dev)
		struct platform_device *pdev = to_platform_device(dev);
		const struct komeda_product_data *product;
		struct komeda_dev *mdev;
		struct resource *io_res;
		int err = 0;

		product = of_device_get_match_data(dev);
		if (!product)
		return ERR_PTR(-ENODEV);

		io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
		if (!io_res) {
		DRM_ERROR("No registers defined.\n");
		return ERR_PTR(-ENODEV);
		}

		mdev = devm_kzalloc(dev, sizeof(*mdev), GFP_KERNEL);
		if (!mdev)
		return ERR_PTR(-ENOMEM);
		@@ -204,7 +197,7 @@ struct komeda_dev komeda_dev_create(struct device dev)
		mutex_init(&mdev->lock);

		mdev->dev = dev;
		mdev->reg_base = devm_ioremap_resource(dev, io_res);
		mdev->reg_base = devm_platform_ioremap_resource(pdev, 0);
		if (IS_ERR(mdev->reg_base)) {
		DRM_ERROR("Map register space failed.\n");
		err = PTR_ERR(mdev->reg_base);