From 77d57d1d8016696daaf5614c070ac01c9652f4ce Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 3 Jun 2019 21:59:41 +0300 Subject: clocksource/drivers/tegra: Reset hardware state on init Reset timer's hardware state to ensure that initially it is in a predictable state. Signed-off-by: Dmitry Osipenko Acked-By: Peter De Schrijver Signed-off-by: Daniel Lezcano --- drivers/clocksource/timer-tegra20.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/clocksource') diff --git a/drivers/clocksource/timer-tegra20.c b/drivers/clocksource/timer-tegra20.c index acd68c77fa91..3e4f12aee8df 100644 --- a/drivers/clocksource/timer-tegra20.c +++ b/drivers/clocksource/timer-tegra20.c @@ -123,6 +123,9 @@ static int tegra_timer_setup(unsigned int cpu) { struct timer_of *to = per_cpu_ptr(&tegra_to, cpu); + writel(0, timer_of_base(to) + TIMER_PTV); + writel(TIMER_PCR_INTR_CLR, timer_of_base(to) + TIMER_PCR); + irq_force_affinity(to->clkevt.irq, cpumask_of(cpu)); enable_irq(to->clkevt.irq); -- cgit