diff options
Diffstat (limited to 'arch/arm/vdso/vgettimeofday.c')
| -rw-r--r-- | arch/arm/vdso/vgettimeofday.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/arm/vdso/vgettimeofday.c b/arch/arm/vdso/vgettimeofday.c index a9dd619c6c29..d1fdbb12760a 100644 --- a/arch/arm/vdso/vgettimeofday.c +++ b/arch/arm/vdso/vgettimeofday.c @@ -1,26 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2015 Mentor Graphics Corporation. - * - * 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; version 2 of the - * License. - * - * 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, see <http://www.gnu.org/licenses/>. */ #include <linux/compiler.h> #include <linux/hrtimer.h> #include <linux/time.h> -#include <asm/arch_timer.h> #include <asm/barrier.h> #include <asm/bug.h> +#include <asm/cp15.h> #include <asm/page.h> #include <asm/unistd.h> #include <asm/vdso_datapage.h> @@ -123,7 +111,8 @@ static notrace u64 get_ns(struct vdso_data *vdata) u64 cycle_now; u64 nsec; - cycle_now = arch_counter_get_cntvct(); + isb(); + cycle_now = read_sysreg(CNTVCT); cycle_delta = (cycle_now - vdata->cs_cycle_last) & vdata->cs_mask; |