xref: /openbmc/linux/drivers/pps/kc.h (revision 74ba9207)
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 
pps_kc_bind(struct pps_device * pps,struct pps_bind_args * bind_args)25 static inline int pps_kc_bind(struct pps_device *pps,
26 		struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
pps_kc_remove(struct pps_device * pps)27 static inline void pps_kc_remove(struct pps_device *pps) {}
pps_kc_event(struct pps_device * pps,struct pps_event_time * ts,int event)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