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Tue, 16 Apr 2019 16:16:26 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas1p2.samsung.com (KnoxPortal) with ESMTPA id 20190416071625epcas1p25204b912c8484ea796bf15cc7eddb0c7~V4yL_ZKWY1974619746epcas1p2r; Tue, 16 Apr 2019 07:16:25 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20190416071625epsmtrp2b9518bda8b8a9b5ac3c7b352085cea5d~V4yL9krm40857808578epsmtrp2p; Tue, 16 Apr 2019 07:16:25 +0000 (GMT) X-AuditID: b6c32a38-5cbff700000010a1-87-5cb5814a0736 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id D5.51.03692.94185BC5; Tue, 16 Apr 2019 16:16:25 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20190416071625epsmtip18757936431a34ea6b973368ac9509111~V4yLutz7i2091420914epsmtip1H; Tue, 16 Apr 2019 07:16:25 +0000 (GMT) Subject: Re: [PATCH v2 13/19] PM / devfreq: tegra: Mark ACTMON's governor as immutable To: Dmitry Osipenko , Thierry Reding , Jonathan Hunter , MyungJoo Ham , Kyungmin Park , Tomeu Vizoso Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org From: Chanwoo Choi Organization: Samsung Electronics Message-ID: <6df81b00-8d6a-8aca-d191-8a214a50232c@samsung.com> Date: Tue, 16 Apr 2019 16:17:20 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190415145505.18397-14-digetx@gmail.com> Content-Language: en-US Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02Se0hTURzHO7vb9Sotb8vs1/5IvRGRYO3qVtdwYiiySkp60WO0bu6i4l7t bpI9oLIyh1ohlU4zaxpqlBWzdGmiRS/sQZFlNrIH0QsrzSijbNtd5H+f8zvf7+93vuccApOd w+VErsnGWU2sgcLDxJeuzYmLW7K7Rat43yhhznx9jZi9zlNi5u6eTyHMI081zgyXXkdM8Tcn zvTvbsCZn54aMVN29iGeEqpp9dYhTZvTG6IpLRzENWXuJqQZvjgjU7I+LymHY/WcNZozZZn1 uaZsNbV0pS5Vp5qvoOPoRGYBFW1ijZyaSsvIjEvPNfgOREXnswa7r5TJ8jw1LznJarbbuOgc M29TU5xFb7AkWubyrJG3m7LnZpmNC2mFIl7lE27Kyymp78Is7RO3HvFm7EK1YQ4USgCphN9/ GpEDhREyshVB3Y0BTFgMIah0XA7ufEcwNvoU/bNU1fyS+FlGdiBouBMuiD4jaPP04Q5EEFPI teDq2OKvR5B/EAx5KgIGjFwHI131mJ9xMhY63z3F/RxOxsDjH68DA6RkMvS6x0R+FpOz4EqJ J+Cd6uv54sZ5iaCZDLcr34j9HEougP6rZ4P9p8GzNydEAkdBYUtVIA6Qv3AYfd8rERKkgfP0 vmCaKfDhpjtEYDkMD3bgAm+HxtvXccF8AIG780HQnACd9eUif0qMnAPNnnnCsEkwOFIi8ZeB lMKB/TJBPRMeDXhFAk8HV1FxsL0Gjvf1o0MoxjkujnNcBOe4CM7/w2qRuAlFchbemM3xtEU5 /rEvosBfjWVaUfu9jG5EEoiaKN1U5tbKJGw+X2DsRkBgVIR0kd5XkurZgm2c1ayz2g0c341U vts+jMmnZpl9P99k09Gq+ISEBEZJz1fRNDVN2pySqpWR2ayNy+M4C2f95xMRofJdaCfVMcmx 894O69iaVYrFpa/qJ/R9zLdf/tle1PM8vmdRKrbhYFSXuuqtoq3O28SP3GoaUX6LTS//cuzC nTMVxecerF7MnbzvipQPFc6OKWggWkQrTo5ufxZSuUqJNidpN1bijuNLtHXq5dqXWyyJPUeb Xcu1LvNA4xPdwmURmdVYOCXmc1g6FrPy7F93NQGYwQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprBIsWRmVeSWpSXmKPExsWy7bCSnK5n49YYg46zaharPz5mtGiZtYjF 4mzTG3aLy7vmsFl87j3CaNH5ZRabxe3GFWwWP3fNY7HoW3uJzYHTY8fdJYweO2fdZffobX7H 5tG3ZRWjx+dNcgGsUVw2Kak5mWWpRfp2CVwZPUsPMhfs4amYetengXEBVxcjJ4eEgInE7Hm/ WUFsIYHdjBIL9yZBxCUlpl08ytzFyAFkC0scPlzcxcgFVPKWUeL9/lvsIHFhgQiJxXsLQeIi Ak1MEp8ftjCB9DILREr0P+pmhWjYxigx8/ZEdpAEm4CWxP4XN9hAbH4BRYmrPx4zgti8AnYS 17b8B2tmEVCV2N2zC+wgUaAFZ96vYIGoEZQ4OfMJmM0pYC5xe99aVohl6hJ/5l1ihrDFJW49 mQ91hLxE89bZzBMYhWchaZ+FpGUWkpZZSFoWMLKsYpRMLSjOTc8tNiwwzEst1ytOzC0uzUvX S87P3cQIji8tzR2Ml5fEH2IU4GBU4uFN6NsSI8SaWFZcmXuIUYKDWUmE1zEFKMSbklhZlVqU H19UmpNafIhRmoNFSZz3ad6xSCGB9MSS1OzU1ILUIpgsEwenVAOjces5X6mMTSt+PuSMSrIW +LxPqOKfV9ysCO7i9luv7VMtLMzCO5vLbWK+e688VX7uP1dNgMjXNaLaFwI+mmSL7ApUvWg/ c9v9zA9fv7pOmNbeOuvze4b6jOrSxrvHs4MvmSQE/Pm5ojEvILr/uqHAy3VmbyN9mOLqi6V0 3jFo5AXlpBer/lNiKc5INNRiLipOBAAPaSPRqwIAAA== X-CMS-MailID: 20190416071625epcas1p25204b912c8484ea796bf15cc7eddb0c7 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20190415145721epcas1p2f14027ba26bed3e3361d6a261d851c68 References: <20190415145505.18397-1-digetx@gmail.com> <20190415145505.18397-14-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 19. 4. 15. 오후 11:54, Dmitry Osipenko wrote: > The ACTMON's governor supports only the Tegra's devfreq device and there > is no need to use any other governor, hence let's mark Tegra governor as > immutable to permanently stick it with Tegra's devfreq device. > > Signed-off-by: Dmitry Osipenko > --- > drivers/devfreq/Kconfig | 1 - > drivers/devfreq/tegra-devfreq.c | 1 + > 2 files changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig > index 6a172d338f6d..a78dffe603c1 100644 > --- a/drivers/devfreq/Kconfig > +++ b/drivers/devfreq/Kconfig > @@ -94,7 +94,6 @@ config ARM_EXYNOS_BUS_DEVFREQ > config ARM_TEGRA_DEVFREQ > tristate "Tegra DEVFREQ Driver" > depends on ARCH_TEGRA_124_SOC > - select DEVFREQ_GOV_SIMPLE_ONDEMAND > select PM_OPP > help > This adds the DEVFREQ driver for the Tegra family of SoCs. > diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c > index f1a6f951813a..832e4f5aa11b 100644 > --- a/drivers/devfreq/tegra-devfreq.c > +++ b/drivers/devfreq/tegra-devfreq.c > @@ -593,6 +593,7 @@ static struct devfreq_governor tegra_devfreq_governor = { > .name = "tegra_actmon", > .get_target_freq = tegra_governor_get_target, > .event_handler = tegra_governor_event_handler, > + .immutable = true, > }; > > static int tegra_devfreq_probe(struct platform_device *pdev) > Looks good to me. Reviewed-by: Chanwoo Choi -- Best Regards, Chanwoo Choi Samsung Electronics