change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/net/hamradio/hdlcdrv.c
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@@ -1,23 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*****************************************************************************/
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 /*
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  *	hdlcdrv.c  -- HDLC packet radio network driver.
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  *
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  *	Copyright (C) 1996-2000  Thomas Sailer (sailer@ife.ee.ethz.ch)
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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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- *	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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- *	You should have received a copy of the GNU General Public License
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- *	along with this program; if not, write to the Free Software
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- *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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  *
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  *  Please note that the GPL allows you to use the driver, NOT the radio.
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  *  In order to use the radio, you need a license from the communications
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@@ -488,8 +475,7 @@
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 	if (s->ops && s->ops->close)
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 		i = s->ops->close(dev);
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-	if (s->skb)
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-		dev_kfree_skb(s->skb);
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+	dev_kfree_skb(s->skb);
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 	s->skb = NULL;
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 	s->opened = 0;
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 	return i;
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@@ -700,8 +686,6 @@
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 	struct net_device *dev;
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 	struct hdlcdrv_state *s;
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 	int err;
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-
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-	BUG_ON(ops == NULL);
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 	if (privsize < sizeof(struct hdlcdrv_state))
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 		privsize = sizeof(struct hdlcdrv_state);