diff options
Diffstat (limited to 'drivers/ptp/ptp_clock.c')
| -rw-r--r-- | drivers/ptp/ptp_clock.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index 79bd102c9bbc..e60eab7f8a61 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * PTP 1588 clock support * * Copyright (C) 2010 OMICRON electronics GmbH - * - * 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. */ #include <linux/idr.h> #include <linux/device.h> @@ -76,7 +63,7 @@ static void enqueue_external_timestamp(struct timestamp_event_queue *queue, spin_unlock_irqrestore(&queue->lock, flags); } -static s32 scaled_ppm_to_ppb(long ppm) +s32 scaled_ppm_to_ppb(long ppm) { /* * The 'freq' field in the 'struct timex' is in parts per @@ -95,6 +82,7 @@ static s32 scaled_ppm_to_ppb(long ppm) ppb >>= 13; return (s32) ppb; } +EXPORT_SYMBOL(scaled_ppm_to_ppb); /* posix clock implementation */ |