linux-kernel - Re: [PATCH 1/7] PM / OPP: Add dev_pm_opp_get_of

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Date:   Sat, 07 Apr 2018 06:00:29 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>, andy.gross@...aro.org,
        ulf.hansson@...aro.org, viresh.kumar@...aro.org
Cc:     devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: Re: [PATCH 1/7] PM / OPP: Add dev_pm_opp_get_of_node()

Quoting Rajendra Nayak (2018-03-15 21:08:18)
> From: Viresh Kumar <viresh.kumar@...aro.org>
> 
> 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@...aro.org>
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> ---

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()