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
  16 extern int pps_kc_bind(struct pps_device *pps,
  17                 struct pps_bind_args *bind_args);
  18 extern void pps_kc_remove(struct pps_device *pps);
  19 extern void pps_kc_event(struct pps_device *pps,
  20                 struct pps_event_time *ts, int event);
  21
  22
  23 #else /* CONFIG_NTP_PPS */
  24
  25 static inline int pps_kc_bind(struct pps_device *pps,
  26                 struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
  27 static inline void pps_kc_remove(struct pps_device *pps) {}
  28 static 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 */