linux-kernel - Re: [PATCH] opp: of: Allow lazy-linking of required-opps to non genpd

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Message-ID: <20210617033351.44pxdpjicm62byuh@vireshk-i7>
Date:   Thu, 17 Jun 2021 09:03:51 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Chanwoo Choi <cw00.choi@...sung.com>
Cc:     Hsin-Yi Wang <hsinyi@...omium.org>,
        "Viresh Kumar )" <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "andrew-sh . cheng" <andrew-sh.cheng@...iatek.com>
Subject: Re: [PATCH] opp: of: Allow lazy-linking of required-opps to non genpd

On 17-06-21, 10:13, Chanwoo Choi wrote:
> The devfreq driver(exynos-bus.c) has used the dev_pm_opp_set_rate()
> and used the passive governor without the required-opp property.

Which is fine.

> I have a plan to use the required-opp property
> between devfreq drivers (exynos-bus.c) with dev_pm_opp_set_rate().
> 
> I'll support them on later if this approach doesn't break the any
> rule of required-opp property.

You will be required to make some changes in core for that I am
afraid. It won't work automatically.

-- 
viresh