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 */ 34