enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/net/can/cc770/cc770_isa.c
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@@ -1,16 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Driver for CC770 and AN82527 CAN controllers on the legacy ISA bus
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  *
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  * Copyright (C) 2009, 2011 Wolfgang Grandegger <wg@grandegger.com>
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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 version 2 of the GNU General Public License
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- * as published by the Free Software Foundation
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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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7
 
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 /*
..
..
@@ -183,7 +175,7 @@
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 			err = -EBUSY;
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 			goto exit;
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 		}
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-		base = ioremap_nocache(mem[idx], iosize);
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+		base = ioremap(mem[idx], iosize);
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 		if (!base) {
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 			err = -ENOMEM;
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 			goto exit_release;
..
..
@@ -272,22 +264,24 @@
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 	if (err) {
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 		dev_err(&pdev->dev,
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 			"couldn't register device (err=%d)\n", err);
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-		goto exit_unmap;
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+		goto exit_free;
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 	}
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 	dev_info(&pdev->dev, "device registered (reg_base=0x%p, irq=%d)\n",
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 		 priv->reg_base, dev->irq);
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 	return 0;
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273
 
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- exit_unmap:
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+exit_free:
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+	free_cc770dev(dev);
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+exit_unmap:
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 	if (mem[idx])
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 		iounmap(base);
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- exit_release:
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+exit_release:
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 	if (mem[idx])
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 		release_mem_region(mem[idx], iosize);
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 	else
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 		release_region(port[idx], iosize);
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- exit:
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+exit:
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 	return err;
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 }
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