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OpenCloudOS-Kernel/drivers/pps/kc.h

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 441 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20 15:19:02 +08:00
/* SPDX-License-Identifier: GPL-2.0-or-later */
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 09:00:58 +08:00
/*
* PPS kernel consumer API header
*
* Copyright (C) 2009-2010 Alexander Gordeev <lasaine@lvk.cs.msu.su>
*/
#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 */