linux-kernel - Re: [PATCH V2 09/13] OPP: Assert clk

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Message-ID: <df997015-df77-2bcb-1551-6e8da4acb36a@linaro.org>
Date:   Tue, 5 Jul 2022 19:21:01 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Dmitry Osipenko <dmitry.osipenko@...labora.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 09/13] OPP: Assert clk_count == 1 for single clk
 helpers

On 05/07/2022 09:00, Viresh Kumar wrote:
> Many helpers can be safely called only for devices that have a single
> clk associated with them. Assert the same for those routines.
> 

Where is the safety problem with multiple-clocks case? And how users of
PM OPP API are supposed to iterate/find OPPs they want if the API now
throws WARN?

Best regards,
Krzysztof