LXR linux/drivers/usb/gadget/function/u

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * u_printer.h
   4 *
   5 * Utility definitions for the printer function
   6 *
   7 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   8 *              http://www.samsung.com
   9 *
  10 * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
  11 */
  12
  13#ifndef U_PRINTER_H
  14#define U_PRINTER_H
  15
  16#include <linux/usb/composite.h>
  17
  18struct f_printer_opts {
  19        struct usb_function_instance    func_inst;
  20        int                             minor;
  21        char                            *pnp_string;
  22        bool                            pnp_string_allocated;
  23        unsigned                        q_len;
  24
  25        /*
  26         * Protect the data from concurrent access by read/write
  27         * and create symlink/remove symlink
  28         */
  29        struct mutex                    lock;
  30        int                             refcnt;
  31};
  32
  33#endif /* U_PRINTER_H */
  34