write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/mailbox/mailbox-altera.c
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@@ -1,17 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright Altera Corporation (C) 2013-2014. All rights reserved
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #include <linux/device.h>
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@@ -341,7 +330,7 @@
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 		}
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 	}
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-	ret = mbox_controller_register(&mbox->controller);
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+	ret = devm_mbox_controller_register(&pdev->dev, &mbox->controller);
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 	if (ret) {
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 		dev_err(&pdev->dev, "Register mailbox failed\n");
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 		goto err;
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@@ -350,18 +339,6 @@
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 	platform_set_drvdata(pdev, mbox);
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 err:
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 	return ret;
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-}
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-
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-static int altera_mbox_remove(struct platform_device *pdev)
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-{
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-	struct altera_mbox *mbox = platform_get_drvdata(pdev);
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-
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-	if (!mbox)
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-		return -EINVAL;
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-
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-	mbox_controller_unregister(&mbox->controller);
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-
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-	return 0;
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 }
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 static const struct of_device_id altera_mbox_match[] = {
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@@ -373,7 +350,6 @@
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 static struct platform_driver altera_mbox_driver = {
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 	.probe	= altera_mbox_probe,
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-	.remove	= altera_mbox_remove,
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 	.driver	= {
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 		.name	= DRIVER_NAME,
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 		.of_match_table	= altera_mbox_match,