linux/drivers/pps/kc.h
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   1/*
   2 * PPS kernel consumer API header
   3 *
   4 * Copyright (C) 2009-2010   Alexander Gordeev <lasaine@lvk.cs.msu.su>
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21#ifndef LINUX_PPS_KC_H
  22#define LINUX_PPS_KC_H
  23
  24#include <linux/errno.h>
  25#include <linux/pps_kernel.h>
  26
  27#ifdef CONFIG_NTP_PPS
  28
  29extern int pps_kc_bind(struct pps_device *pps,
  30                struct pps_bind_args *bind_args);
  31extern void pps_kc_remove(struct pps_device *pps);
  32extern void pps_kc_event(struct pps_device *pps,
  33                struct pps_event_time *ts, int event);
  34
  35
  36#else /* CONFIG_NTP_PPS */
  37
  38static inline int pps_kc_bind(struct pps_device *pps,
  39                struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
  40static inline void pps_kc_remove(struct pps_device *pps) {}
  41static inline void pps_kc_event(struct pps_device *pps,
  42                struct pps_event_time *ts, int event) {}
  43
  44#endif /* CONFIG_NTP_PPS */
  45
  46#endif /* LINUX_PPS_KC_H */
  47
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