From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
devicetree@vger.kernel.org,
Vincent Guittot <vincent.guittot@linaro.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/6] ARM: dts: sunxi: Add all CPUs in cooling maps
Date: Mon, 19 Nov 2018 15:39:46 +0100 [thread overview]
Message-ID: <20181119143946.qqipcb2c34imc2td@flea> (raw)
In-Reply-To: <b2524a2db87c97c038990af405bd1cca25e579f8.1542362000.git.viresh.kumar@linaro.org>
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On Fri, Nov 16, 2018 at 03:31:14PM +0530, Viresh Kumar wrote:
> Each CPU can (and does) participate in cooling down the system but the
> DT only captures a handful of them, normally CPU0, in the cooling maps.
> Things work by chance currently as under normal circumstances its the
> first CPU of each cluster which is used by the operating systems to
> probe the cooling devices. But as soon as this CPU ordering changes and
> any other CPU is used to bring up the cooling device, we will start
> seeing failures.
>
> Also the DT is rather incomplete when we list only one CPU in the
> cooling maps, as the hardware doesn't have any such limitations.
>
> Update cooling maps to include all devices affected by individual trip
> points.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Applied, thanks!
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2018-11-19 14:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-16 10:01 [PATCH 0/6] ARM: dts: Fix incomplete cooling-maps Viresh Kumar
2018-11-16 10:01 ` [PATCH 1/6] ARM: dts: exynos: Add all CPUs in cooling maps Viresh Kumar
2018-11-18 14:14 ` Krzysztof Kozlowski
2018-11-16 10:01 ` [PATCH 2/6] ARM: dts: ls1021a: " Viresh Kumar
2018-11-28 2:46 ` Shawn Guo
2018-11-16 10:01 ` [PATCH 3/6] ARM: dts: mt7623: " Viresh Kumar
2018-11-16 10:01 ` [PATCH 4/6] ARM: dts: rockchip: " Viresh Kumar
2018-11-26 13:16 ` Heiko Stuebner
2018-11-16 10:01 ` [PATCH 5/6] ARM: dts: sunxi: " Viresh Kumar
2018-11-19 14:39 ` Maxime Ripard [this message]
2018-11-16 10:01 ` [PATCH 6/6] ARM: dts: uniphier: " Viresh Kumar
2018-11-26 15:49 ` Masahiro Yamada
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