enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/mailbox/mailbox-sti.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * STi Mailbox
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  *
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@@ -7,11 +8,6 @@
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  *
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  * Based on the original driver written by;
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  *   Alexandre Torgue, Olivier Lebreton and Loic Pallardy
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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; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #include <linux/err.h>
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@@ -462,7 +458,7 @@
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 	mbox->chans		= chans;
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 	mbox->num_chans		= STI_MBOX_CHAN_MAX;
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-	ret = mbox_controller_register(mbox);
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+	ret = devm_mbox_controller_register(&pdev->dev, mbox);
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 	if (ret)
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 		return ret;
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@@ -480,7 +476,6 @@
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 					IRQF_ONESHOT, mdev->name, mdev);
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 	if (ret) {
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 		dev_err(&pdev->dev, "Can't claim IRQ %d\n", irq);
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-		mbox_controller_unregister(mbox);
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 		return -EINVAL;
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 	}
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@@ -489,18 +484,8 @@
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 	return 0;
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 }
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-static int sti_mbox_remove(struct platform_device *pdev)
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-{
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-	struct sti_mbox_device *mdev = platform_get_drvdata(pdev);
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-
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-	mbox_controller_unregister(mdev->mbox);
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-
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-	return 0;
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-}
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-
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 static struct platform_driver sti_mbox_driver = {
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 	.probe = sti_mbox_probe,
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-	.remove = sti_mbox_remove,
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 	.driver = {
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 		.name = "sti-mailbox",
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 		.of_match_table = sti_mailbox_match,