diff options
Diffstat (limited to 'drivers/ptp/ptp_qoriq.c')
| -rw-r--r-- | drivers/ptp/ptp_qoriq.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index 53775362aac6..c61f00b72e15 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * PTP 1588 clock for Freescale QorIQ 1588 timer * * 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -467,6 +454,9 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base, unsigned long flags; u32 tmr_ctrl; + if (!node) + return -ENODEV; + ptp_qoriq->base = base; ptp_qoriq->caps = *caps; |