Re: [PATCH V2 11/16] cpufreq: dt: Pass regulator name to the OPP core

From: Stephen Boyd
Date: Mon Feb 08 2016 - 17:55:24 EST


On 02/02, Viresh Kumar wrote:
> static int allocate_resources(int cpu, struct device **cdev,
> struct regulator **creg, struct clk **cclk)
> {
> @@ -200,6 +225,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
> unsigned long min_uV = ~0, max_uV = 0;
> unsigned int transition_latency;
> bool opp_v1 = false;
> + const char *name = NULL;

Is this initialization necessary?

> int ret;
>
> ret = allocate_resources(policy->cpu, &cpu_dev, &cpu_reg, &cpu_clk);
> @@ -229,6 +255,25 @@ static int cpufreq_init(struct cpufreq_policy *policy)
> }
>
> /*
> + * OPP layer will be taking care of regulators now, but it needs to know
> + * the name of the regulator first.
> + */
> + name = find_supply_name(cpu_dev, np);
> + if (IS_ERR(name)) {

This looks to never happen?

> + ret = PTR_ERR(name);
> + goto out_node_put;
> + }
> +
> + if (name) {
> + ret = dev_pm_opp_set_regulator(cpu_dev, name);
--
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