linux-kernel - Re: [PATCH 5/5] OPP: Remove custom OPP helper support

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Message-ID: <20220627060636.rfpok75zydgcwwo6@vireshk-i7>
Date:   Mon, 27 Jun 2022 11:36:36 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Keerthy <j-keerthy@...com>, Dave Gerlach <d-gerlach@...com>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-kernel@...r.kernel.org,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH 5/5] OPP: Remove custom OPP helper support

Hi Dmitry,

On 25-06-22, 14:42, Dmitry Osipenko wrote:
> 31.05.2022 13:10, Viresh Kumar пишет:
> > The only user of the custom helper is migrated to use
> > config_regulators() interface. Remove the now unused custom OPP helper
> > support.
> > 
> > This cleans up _set_opp() and leaves a single code path to be used by
> > all users.

> Unfortunately we can't remove the set_opp_helper(). It's terrible that
> this function is unused by Tegra 3d driver because it should be used.
> 
> The patch that supposed to use the devm_pm_opp_register_set_opp_helper()
> [1] was merged a half year ago and just today I noticed that the merged
> code doesn't have devm_pm_opp_register_set_opp_helper() [2]. I think
> Thierry edited my patch before applying it, perhaps there was a merge
> conflict :/ This needs to be fixed now.

As the commit log above says, we aren't removing the feature, but just
changing the interface to cnofig_regulators(). That was the only
special handling the drivers were required to do earlier as well, for
which the helper interface was added.

-- 
viresh