diff options
Diffstat (limited to 'drivers/clocksource/timer-imx-gpt.c')
| -rw-r--r-- | drivers/clocksource/timer-imx-gpt.c | 49 |
1 files changed, 10 insertions, 39 deletions
diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c index 6ec6d79b237c..706c0d0ff56c 100644 --- a/drivers/clocksource/timer-imx-gpt.c +++ b/drivers/clocksource/timer-imx-gpt.c @@ -1,25 +1,9 @@ -/* - * linux/arch/arm/plat-mxc/time.c - * - * Copyright (C) 2000-2001 Deep Blue Solutions - * Copyright (C) 2002 Shane Nay ([email protected]) - * Copyright (C) 2006-2007 Pavel Pisa ([email protected]) - * Copyright (C) 2008 Juergen Beisert ([email protected]) - * - * 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., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright (C) 2000-2001 Deep Blue Solutions +// Copyright (C) 2002 Shane Nay ([email protected]) +// Copyright (C) 2006-2007 Pavel Pisa ([email protected]) +// Copyright (C) 2008 Juergen Beisert ([email protected]) #include <linux/interrupt.h> #include <linux/irq.h> @@ -157,21 +141,25 @@ static u64 notrace mxc_read_sched_clock(void) return sched_clock_reg ? readl_relaxed(sched_clock_reg) : 0; } +#if defined(CONFIG_ARM) static struct delay_timer imx_delay_timer; static unsigned long imx_read_current_timer(void) { return readl_relaxed(sched_clock_reg); } +#endif static int __init mxc_clocksource_init(struct imx_timer *imxtm) { unsigned int c = clk_get_rate(imxtm->clk_per); void __iomem *reg = imxtm->base + imxtm->gpt->reg_tcn; +#if defined(CONFIG_ARM) imx_delay_timer.read_current_timer = &imx_read_current_timer; imx_delay_timer.freq = c; register_current_timer_delay(&imx_delay_timer); +#endif sched_clock_reg = reg; @@ -214,15 +202,8 @@ static int v2_set_next_event(unsigned long evt, static int mxc_shutdown(struct clock_event_device *ced) { struct imx_timer *imxtm = to_imx_timer(ced); - unsigned long flags; u32 tcn; - /* - * The timer interrupt generation is disabled at least - * for enough time to call mxc_set_next_event() - */ - local_irq_save(flags); - /* Disable interrupt in GPT module */ imxtm->gpt->gpt_irq_disable(imxtm); @@ -237,21 +218,12 @@ static int mxc_shutdown(struct clock_event_device *ced) printk(KERN_INFO "%s: changing mode\n", __func__); #endif /* DEBUG */ - local_irq_restore(flags); - return 0; } static int mxc_set_oneshot(struct clock_event_device *ced) { struct imx_timer *imxtm = to_imx_timer(ced); - unsigned long flags; - - /* - * The timer interrupt generation is disabled at least - * for enough time to call mxc_set_next_event() - */ - local_irq_save(flags); /* Disable interrupt in GPT module */ imxtm->gpt->gpt_irq_disable(imxtm); @@ -276,7 +248,6 @@ static int mxc_set_oneshot(struct clock_event_device *ced) * mode switching */ imxtm->gpt->gpt_irq_enable(imxtm); - local_irq_restore(flags); return 0; } |