linux-hardened/drivers/pps/kc.h
Alexander Gordeev 717c033669 pps: add kernel consumer support
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>
2011-01-13 08:03:21 -08:00

46 lines
1.5 KiB
C

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