write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/mailbox/hi6220-mailbox.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Hisilicon's Hi6220 mailbox driver
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  *
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@@ -5,16 +6,6 @@
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  * Copyright (c) 2015 Linaro Limited.
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  *
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  * Author: Leo Yan <leo.yan@linaro.org>
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- *
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- * This program is free software: you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation, version 2 of the License.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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  */
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 #include <linux/device.h>
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@@ -349,7 +340,7 @@
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 		mbox->controller.txpoll_period = 5;
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 	}
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-	err = mbox_controller_register(&mbox->controller);
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+	err = devm_mbox_controller_register(dev, &mbox->controller);
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 	if (err) {
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 		dev_err(dev, "Failed to register mailbox %d\n", err);
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 		return err;
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@@ -360,22 +351,12 @@
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 	return 0;
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 }
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-static int hi6220_mbox_remove(struct platform_device *pdev)
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-{
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-	struct hi6220_mbox *mbox = platform_get_drvdata(pdev);
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-
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-	mbox_controller_unregister(&mbox->controller);
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-	return 0;
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-}
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-
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 static struct platform_driver hi6220_mbox_driver = {
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 	.driver = {
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 		.name = "hi6220-mbox",
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-		.owner = THIS_MODULE,
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 		.of_match_table = hi6220_mbox_of_match,
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 	},
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 	.probe	= hi6220_mbox_probe,
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-	.remove	= hi6220_mbox_remove,
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 };
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 static int __init hi6220_mbox_init(void)