linux-kernel - Re: [PATCH] OPP: Fix handling of multiple power domains

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Date:   Wed, 06 Mar 2019 10:02:58 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>, nm@...com,
        viresh.kumar@...aro.org
Cc:     linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: Re: [PATCH] OPP: Fix handling of multiple power domains

Quoting Rajendra Nayak (2019-03-05 20:07:26)
> We seem to rely on the number of phandles specified in the
> 'required-opps' property to identify cases where a device is
> associated with multiple power domains and hence would have
> multiple virtual devices that have to be dealt with.
> 
> In cases where we do have devices with multiple power domains
> but with only one of them being scalable, this logic seems to
> fail.
> 
> Instead read the number of power domains from DT to identify
> such cases.
> 
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@...nel.org>