linux-kernel - Re: [PATCH 04/18] ARM/ARM64: cpuidle: Let back-end init ops take the driver as input

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Message-ID: <20190607150052.GC15577@e107155-lin>
Date:   Fri, 7 Jun 2019 16:00:52 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "Raju P . L . S . S . S . N" <rplsssn@...eaurora.org>,
        Amit Kucheria <amit.kucheria@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Niklas Cassel <niklas.cassel@...aro.org>,
        Tony Lindgren <tony@...mide.com>,
        Kevin Hilman <khilman@...nel.org>,
        Lina Iyer <ilina@...eaurora.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Souvik Chakravarty <souvik.chakravarty@....com>,
        linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH 04/18] ARM/ARM64: cpuidle: Let back-end init ops take the
 driver as input

On Mon, May 13, 2019 at 09:22:46PM +0200, Ulf Hansson wrote:
> To allow arch back-end init ops to operate on the cpuidle driver for the
> corresponding CPU, let's pass along a pointer to the struct cpuidle_driver*
> and forward it the relevant layers of callbacks for ARM/ARM64.
>

I may be wrong, but I see drv is just used to get state_count mostly.
It's also used in flattening part, but that should not be here either.

--
Regards,
Sudeep