Re: [PATCH 1/7] PM / OPP: Add dev_pm_opp_get_of_node()
From: Stephen Boyd
Date: Sat Apr 07 2018 - 09:00:44 EST
Quoting Rajendra Nayak (2018-03-15 21:08:18)
> From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>
> This adds a new helper to let the power domain drivers to access
> opp->np, so that they can read platform specific properties from the
> node.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> Signed-off-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx>
> ---
Are there two versions of this patch floating around?
> drivers/opp/of.c | 19 +++++++++++++++++++
> include/linux/pm_opp.h | 5 +++++
> 2 files changed, 24 insertions(+)
>
> diff --git a/drivers/opp/of.c b/drivers/opp/of.c
> index 21265af55117..b17715bc3c0a 100644
> --- a/drivers/opp/of.c
> +++ b/drivers/opp/of.c
> @@ -736,3 +736,22 @@ struct dev_pm_opp *of_dev_pm_opp_find_required_opp(struct device *dev,
> return opp;
> }
> EXPORT_SYMBOL_GPL(of_dev_pm_opp_find_required_opp);
> +
> +/**
> + * dev_pm_opp_get_of_node() - Gets the DT node corresponding to an opp
> + * @opp: opp for which DT node has to be returned for
> + *
> + * Return: DT node corresponding to the opp, else 0 on success.
> + *
> + * The caller needs to put the node of_node_put() after using it.
put the node with of_node_put()