Messages in this thread Patch in this message | | | From | Daniel Lezcano <> | Subject | [PATCH 07/25] clocksource/drivers/tegra: Reset hardware state on init | Date | Wed, 26 Jun 2019 16:46:33 +0200 |
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From: Dmitry Osipenko <digetx@gmail.com>
Reset timer's hardware state to ensure that initially it is in a predictable state.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> --- drivers/clocksource/timer-tegra20.c | 3 +++ 1 file changed, 3 insertions(+)
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); -- 2.17.1
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