From: MyungJoo Ham <myungjoo.ham@samsung.com>
To: 최찬우 <cw00.choi@samsung.com>, 박경민 <kyungmin.park@samsung.com>,
크쉬시토프 <k.kozlowski@samsung.com>,
"kgene@kernel.org" <kgene@kernel.org>
Cc: "rjw@rjwysocki.net" <rjw@rjwysocki.net>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"pawel.moll@arm.com" <pawel.moll@arm.com>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"ijc+devicetree@hellion.org.uk" <ijc+devicetree@hellion.org.uk>,
"galak@codeaurora.org" <galak@codeaurora.org>,
"linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
"linux.amoon@gmail.com" <linux.amoon@gmail.com>,
"m.reichl@fivetechno.de" <m.reichl@fivetechno.de>,
"tjakobi@math.uni-bielefeld.de" <tjakobi@math.uni-bielefeld.de>,
대인기 <inki.dae@samsung.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-samsung-soc@vger.kernel.org"
<linux-samsung-soc@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v7 06/20] PM / devfreq: exynos: Add support of bus frequency of sub-blocks using passive governor
Date: Wed, 06 Apr 2016 10:12:29 +0000 (GMT) [thread overview]
Message-ID: <2100226609.169661459937543742.JavaMail.weblogic@ep2mlwas02a> (raw)
>
> This patch adds the support of bus frequency feature for sub-blocks which share
> the one power line. If each bus depends on the power line, each bus is not able
> to change the voltage by oneself. To optimize the power-consumption on runtime,
> some buses using the same power line should change the source clock and
> regulator at the same time. So, this patch uses the passive governor to support
> the bus frequency for all buses which sharing the one power line.
>
[]
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> [tjakobi: Reported debugfs error during booting and cw00.choi fix it.]
> Reported-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
next reply other threads:[~2016-04-06 10:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-06 10:12 MyungJoo Ham [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-03-31 9:05 [PATCH v7 00/20] PM / devferq: Add generic exynos bus frequency driver and new passive governor Chanwoo Choi
2016-03-31 9:05 ` [PATCH v7 06/20] PM / devfreq: exynos: Add support of bus frequency of sub-blocks using " Chanwoo Choi
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