LXR linux/drivers/pps/kc.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * PPS kernel consumer API header
   4 *
   5 * Copyright (C) 2009-2010   Alexander Gordeev <lasaine@lvk.cs.msu.su>
   6 */
   7
   8#ifndef LINUX_PPS_KC_H
   9#define LINUX_PPS_KC_H
  10
  11#include <linux/errno.h>
  12#include <linux/pps_kernel.h>
  13
  14#ifdef CONFIG_NTP_PPS
  15
  16extern int pps_kc_bind(struct pps_device *pps,
  17                struct pps_bind_args *bind_args);
  18extern void pps_kc_remove(struct pps_device *pps);
  19extern void pps_kc_event(struct pps_device *pps,
  20                struct pps_event_time *ts, int event);
  21
  22
  23#else /* CONFIG_NTP_PPS */
  24
  25static inline int pps_kc_bind(struct pps_device *pps,
  26                struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
  27static inline void pps_kc_remove(struct pps_device *pps) {}
  28static inline void pps_kc_event(struct pps_device *pps,
  29                struct pps_event_time *ts, int event) {}
  30
  31#endif /* CONFIG_NTP_PPS */
  32
  33#endif /* LINUX_PPS_KC_H */
  34