Hi Dmitry,


On 09/06/2019 21:27, Dmitry Osipenko wrote:
> It was left unnoticed by accident, which means that the code could be
> cleaned up a tad more.
> 
> Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
> ---
>  drivers/clocksource/timer-tegra.c | 40 +++++++++++++++++++------------
>  1 file changed, 25 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/clocksource/timer-tegra.c 
> b/drivers/clocksource/timer-tegra.c
> index 9406855781ff..6da169de47f9 100644
> --- a/drivers/clocksource/timer-tegra.c
> +++ b/drivers/clocksource/timer-tegra.c
> @@ -216,6 +216,19 @@ static inline unsigned int tegra_irq_idx_for_cpu(int 
> cpu, bool tegra20)
>       return TIMER10_IRQ_IDX + cpu;
>  }
>  
> +static inline unsigned long tegra_rate_for_timer(struct timer_of *to,
> +                                              bool tegra20)
> +{
> +     /*
> +      * TIMER1-9 are fixed to 1MHz, TIMER10-13 are running off the
> +      * parent clock.
> +      */
> +     if (tegra20)
> +             return 1000000;

Mind to take the opportunity to convert the literal value to a constant?

> +
> +     return to->of_clk.rate;
> +}
> +
>  static int __init tegra_init_timer(struct device_node *np, bool tegra20,
>                                  int rating)
>  {
> @@ -268,30 +281,27 @@ static int __init tegra_init_timer(struct device_node 
> *np, bool tegra20,
>  
>       for_each_possible_cpu(cpu) {
>               struct timer_of *cpu_to = per_cpu_ptr(&tegra_to, cpu);
> +             unsigned long flags = IRQF_TIMER | IRQF_NOBALANCING;
> +             unsigned long rate = tegra_rate_for_timer(&tegra_to, tegra20);
>               unsigned int base = tegra_base_for_cpu(cpu, tegra20);
>               unsigned int idx = tegra_irq_idx_for_cpu(cpu, tegra20);
> +             unsigned int irq = irq_of_parse_and_map(np, idx);
>  
> -             /*
> -              * TIMER1-9 are fixed to 1MHz, TIMER10-13 are running off the
> -              * parent clock.
> -              */
> -             if (tegra20)
> -                     cpu_to->of_clk.rate = 1000000;
> -
> -             cpu_to = per_cpu_ptr(&tegra_to, cpu);
> -             cpu_to->of_base.base = timer_reg_base + base;
> -             cpu_to->clkevt.rating = rating;
> -             cpu_to->clkevt.cpumask = cpumask_of(cpu);
> -             cpu_to->clkevt.irq = irq_of_parse_and_map(np, idx);
> -             if (!cpu_to->clkevt.irq) {
> +             if (!irq) {
>                       pr_err("failed to map irq for cpu%d\n", cpu);
>                       ret = -EINVAL;
>                       goto out_irq;
>               }
>  
> +             cpu_to->clkevt.irq = irq;
> +             cpu_to->clkevt.rating = rating;
> +             cpu_to->clkevt.cpumask = cpumask_of(cpu);
> +             cpu_to->of_base.base = timer_reg_base + base;
> +             cpu_to->of_clk.rate = rate;
> +
>               irq_set_status_flags(cpu_to->clkevt.irq, IRQ_NOAUTOEN);
> -             ret = request_irq(cpu_to->clkevt.irq, tegra_timer_isr,
> -                               IRQF_TIMER | IRQF_NOBALANCING,
> +
> +             ret = request_irq(cpu_to->clkevt.irq, tegra_timer_isr, flags,
>                                 cpu_to->clkevt.name, &cpu_to->clkevt);
>               if (ret) {
>                       pr_err("failed to set up irq for cpu%d: %d\n",
> 


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