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717c033669
Add an optional feature of PPSAPI, kernel consumer support, which uses the added hardpps() function. Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su> Acked-by: Rodolfo Giometti <giometti@linux.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* PPS kernel consumer API header
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*
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* Copyright (C) 2009-2010 Alexander Gordeev <lasaine@lvk.cs.msu.su>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef LINUX_PPS_KC_H
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#define LINUX_PPS_KC_H
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#include <linux/errno.h>
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#include <linux/pps_kernel.h>
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#ifdef CONFIG_NTP_PPS
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extern int pps_kc_bind(struct pps_device *pps,
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struct pps_bind_args *bind_args);
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extern void pps_kc_remove(struct pps_device *pps);
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extern void pps_kc_event(struct pps_device *pps,
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struct pps_event_time *ts, int event);
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#else /* CONFIG_NTP_PPS */
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static inline int pps_kc_bind(struct pps_device *pps,
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struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
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static inline void pps_kc_remove(struct pps_device *pps) {}
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static inline void pps_kc_event(struct pps_device *pps,
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struct pps_event_time *ts, int event) {}
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#endif /* CONFIG_NTP_PPS */
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#endif /* LINUX_PPS_KC_H */
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