Re: [PATCH 2/2] cpufreq: scpi: remove arm_big_little dependency

From: Viresh Kumar
Date: Tue Jan 09 2018 - 23:19:45 EST


On 09-01-18, 16:49, Sudeep Holla wrote:
> +static int
> +scpi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
> {
> - return scpi_ops->get_transition_latency(cpu_dev);
> + int cpu, domain, tdomain;
> + struct device *tcpu_dev;
> +
> + domain = scpi_ops->device_domain_id(cpu_dev);
> + if (domain < 0)
> + return domain;
> +
> + for_each_possible_cpu(cpu) {
> + if (cpu == cpu_dev->id)
> + continue;
> +
> + tcpu_dev = get_cpu_device(cpu);
> + if (!tcpu_dev)
> + continue;
> +
> + tdomain = scpi_ops->device_domain_id(tcpu_dev);
> + if (tdomain == domain)
> + cpumask_set_cpu(cpu, cpumask);
> + }
> +
> + return 0;
> }

So this is the main thing you want to achieve ? i.e. get the
policy->cpus from scpi_ops, right ?

Why can't we update .init_opp_table() to include policy as a parameter
and let individual stub drivers update policy->cpus then ?

--
viresh