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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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bf0373f1c6
Fixed mis-use of mutex for gdm_table. gdm_table is refered to only inside tty_install and port destrcut, and usb callbacks use internal reference which was saved during urb submission Signed-off-by: Won Kang <wonkang@gctsemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
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* Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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#ifndef _GDM_TTY_H_
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#define _GDM_TTY_H_
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#include <linux/types.h>
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#include <linux/tty.h>
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#define TTY_MAX_COUNT 2
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#define MAX_ISSUE_NUM 3
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enum TO_HOST_RESULT {
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TO_HOST_BUFFER_REQUEST_FAIL = 1,
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TO_HOST_PORT_CLOSE = 2,
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TO_HOST_INVALID_PACKET = 3,
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};
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enum RECV_PACKET_PROCESS {
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RECV_PACKET_PROCESS_COMPLETE = 0,
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RECV_PACKET_PROCESS_CONTINUE = 1,
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};
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struct gdm {
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struct tty_dev *tty_dev;
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struct tty_port port;
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unsigned int index;
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unsigned int minor;
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};
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struct tty_dev {
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void *priv_dev;
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int (*send_func)(void *priv_dev,
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void *data,
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int len,
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int tty_index,
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void (*cb)(void *cb_data),
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void *cb_data);
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int (*recv_func)(void *priv_dev,
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int (*cb)(void *data,
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int len,
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int tty_index,
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struct tty_dev *tty_dev,
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int complete));
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int (*send_control)(void *priv_dev,
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int request,
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int value,
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void *data,
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int len);
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struct gdm *gdm[2];
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};
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int register_lte_tty_driver(void);
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void unregister_lte_tty_driver(void);
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int register_lte_tty_device(struct tty_dev *tty_dev, struct device *dev);
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void unregister_lte_tty_device(struct tty_dev *tty_dev);
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#endif /* _GDM_USB_H_ */
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