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