Messages in this thread Patch in this message | | | From | Dmitry Osipenko <> | Subject | [PATCH v4 03/10] clocksource/drivers/tegra: Reset hardware state on init | Date | Mon, 3 Jun 2019 21:59:41 +0300 |
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Reset timer's hardware state to ensure that initially it is in a predictable state.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- 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 57e7aa2b80a3..739f83fdb318 100644 --- a/drivers/clocksource/timer-tegra20.c +++ b/drivers/clocksource/timer-tegra20.c @@ -132,6 +132,9 @@ 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); -- 2.21.0
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