Re: [PATCH 2/7] PM / OPP: Implement of_dev_pm_opp_find_required_opp()

From: Ulf Hansson
Date: Thu Mar 22 2018 - 05:29:24 EST


On 22 December 2017 at 08:26, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> A device's DT node or its OPP nodes can contain a phandle to other
> device's OPP node, in the "required-opp" property.
>
> This patch implements a routine to find that required OPP from the node
> that contains the "required-opp" property.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

[...]

> +++ b/include/linux/pm_opp.h
> @@ -309,6 +309,7 @@ int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
> void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
> int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
> struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev);
> +struct dev_pm_opp *of_dev_pm_opp_find_required_opp(struct device *dev, struct device_node *np);

I find the name of the exported function a bit "too" self-explainable,
opp...opp. :-)

However it's consistent with the existing APIs.

[...]

Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>

Kind regards
Uffe