linux-kernel - Re: [PATCH] cpufreq: dbx500: add a Kconfig symbol

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Message-ID: <CACRpkdbayePnJE1oWCiqfW3KhQXru7PS+qjRmxX7zdzz-qFWdg@mail.gmail.com>
Date:   Fri, 12 May 2017 11:18:55 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cpufreq: dbx500: add a Kconfig symbol

On Thu, May 11, 2017 at 2:12 PM, Arnd Bergmann <arnd@...db.de> wrote:

> Moving the cooling code into the cpufreq driver caused a possible build failure
> when the cpu_thermal helper code is a loadable module or disabled:
>
> drivers/cpufreq/dbx500-cpufreq.o: In function `dbx500_cpufreq_ready':
> dbx500-cpufreq.c:(.text.dbx500_cpufreq_ready+0x4): undefined reference to `cpufreq_cooling_register'
>
> This adds the same dependency that we have in other cpufreq drivers,
> forcing the driver to be disabled when we can't possibly link it.
>
> Fixes: 19678ffb9fd6 ("cpufreq: dbx500: Manage cooling device from cpufreq driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij