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Tue, 12 Feb 2019 22:24:32 +0000 (GMT) From: Lukasz Luba To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Cc: b.zolnierkie@samsung.com, myungjoo.ham@samsung.com, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, tkjos@google.com, joel@joelfernandes.org, chris.diamand@arm.com, mka@chromium.org, rostedt@goodmis.org, mingo@redhat.com, Lukasz Luba Subject: [PATCH v3 3/7] Kconfig: drivers: devfreq: add default idle polling Date: Tue, 12 Feb 2019 23:23:54 +0100 Message-Id: <1550010238-24002-4-git-send-email-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1550010238-24002-1-git-send-email-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrIKsWRmVeSWpSXmKPExsWy7djPc7qL3JNjDGZul7fYOGM9q8W0T5dZ LK5/ec5qsaxB1eJs0xt2i1sNMhaXd81hs/jce4TRYu2Ru+wWlw4sYLL4vOExo8XtxhVsFvs6 HjBZHH7TzmrxfnKxA7/HmnlrGD1mN1xk8WjZd4vdY8GmUo+Fn76yehx8t4fJ4/2+q2wefVtW MXp83iQXwBnFZZOSmpNZllqkb5fAlfFz9l62gr2cFfM/SzUwXmbvYuTkkBAwkdjx9AVbFyMX h5DACkaJ84c3MkE4Xxgluud8hcp8ZpT48KKbCaZl4czzzBCJ5YwS9ybvZIZr6dr2maWLkYOD TUBPYseqQpAGEQEriRftr9hBapgFjjFJfNo7hRkkISzgLfHidwMbiM0ioCqx9cMXMJtXwEti btsnRohtchI3z3WC1XMC1Z+ZtpIVIn6IXeLFhnII20Xi0opHUA8JS7w6vgXKlpH4v3M+1NXF Emc7VrFB2DUS7Sd3QNVYSxw+fpEV5GZmAU2J9bv0IcKOEjcP/gULSwjwSdx4KwgSZgYyJ22b zgwR5pXoaBOCqNaQ2NJzAWqRmMTyNdOghntItF+7BA3QeYwSR84uZJ7AKD8LYdkCRsZVjOKp pcW56anFxnmp5XrFibnFpXnpesn5uZsYgQnp9L/jX3cw7vuTdIhRgINRiYd3xdGkGCHWxLLi ytxDjBIczEoivJ42yTFCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeasZHkQLCaQnlqRmp6YWpBbB ZJk4OIGpwMfcmkOnY8miWRWH/xxQ2b3u/vq3izbuernCZgnrwolJqo9uzDCJtH3bu/DdR/ap 2w4uXXP+x1//G81bmgWC9ix7ULKj9/5mTtPvt0RZdRMj4rr5Ez+KTBAsVp43Oe3D9+cuLkr/ NS6oVruGPQpRWL/I99U+xjwGgZv7V1vUbFzieWlp4SVmn9tKLMUZiYZazEXFiQBNj/NSRAMA AA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprMIsWRmVeSWpSXmKPExsVy+t/xu7oL3ZNjDBpvsltsnLGe1WLap8ss Fte/PGe1WNaganG26Q27xa0GGYvLu+awWXzuPcJosfbIXXaLSwcWMFl83vCY0eJ24wo2i30d D5gsDr9pZ7V4P7nYgd9jzbw1jB6zGy6yeLTsu8XusWBTqcfCT19ZPQ6+28Pk8X7fVTaPvi2r GD0+b5IL4IzSsynKLy1JVcjILy6xVYo2tDDSM7S00DMysdQzNDaPtTIyVdK3s0lJzcksSy3S t0vQy/g5ey9bwV7OivmfpRoYL7N3MXJySAiYSCyceZ65i5GLQ0hgKaPEo/YWqISYxKR926Fs YYk/17rYIIo+MUrcXXGdsYuRg4NNQE9ix6pCkBoRARuJ93PPsIDUMAtcY5K43XGfFSQhLOAt 8eJ3AxuIzSKgKrH1wxcwm1fAS2Ju2ydGiAVyEjfPdTKD2JxA9WemrWQFmS8EVNN00GACI98C RoZVjCKppcW56bnFhnrFibnFpXnpesn5uZsYgRGy7djPzTsYL20MPsQowMGoxMO74mhSjBBr YllxZe4hRgkOZiURXk+b5Bgh3pTEyqrUovz4otKc1OJDjKZAN01klhJNzgdGb15JvKGpobmF paG5sbmxmYWSOO95g8ooIYH0xJLU7NTUgtQimD4mDk5gGDavZj/0tqFqcfeVTdrXU4QWzu9b +HXnhi82/bqsSXO/MVY7dPQon/2aKZtVfq+yaXJ7bmlu/cnq8yy9X0vl5xtYLg3X/NXwsGFR 95x/lstOvuQI4Hhpfe6tl+U044xnMsZOoc48sxPTTkl/Tbi0M23b6q37d80p6t6m+3oDo9z7 kElBEoe+CimxFGckGmoxFxUnAgDhlyGkpgIAAA== X-CMS-MailID: 20190212222433eucas1p264602d67a916c644c7eb5012932fc17a X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190212222433eucas1p264602d67a916c644c7eb5012932fc17a X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190212222433eucas1p264602d67a916c644c7eb5012932fc17a References: <1550010238-24002-1-git-send-email-l.luba@partner.samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds default idle polling value for devfreq devices. It is used in idle state, when the device is running at lowest frequency. Signed-off-by: Lukasz Luba --- drivers/devfreq/Kconfig | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig index 6a172d3..f0fcc5e 100644 --- a/drivers/devfreq/Kconfig +++ b/drivers/devfreq/Kconfig @@ -29,6 +29,19 @@ menuconfig PM_DEVFREQ if PM_DEVFREQ +config DEVFREQ_DEFAULT_POLLING_IDLE_MS + int "Default polling interval in idle state (ms)" + default 500 + help + The devfreq device is being polled by the devfreq framework. + There are two states for the device operation: normal and idle. + Each state has corresponding polling interval. + When a device is not heavily loaded and runs at lowest frequency, + it is in 'idle' state and longer polling interval is used. + This setting controls the idle polling interval. + It is designed to lower for power consumption. + Set this to non-zero if the default value is to big for your system. + comment "DEVFREQ Governors" config DEVFREQ_GOV_SIMPLE_ONDEMAND -- 2.7.4