From: Mark Brown <broonie@kernel.org>
To: "Bedia, Vaibhav" <vaibhav.bedia@ti.com>
Cc: "Kondratiuk, Taras" <taras@ti.com>, "Menon, Nishanth" <nm@ti.com>,
"Mohammed, Afzal" <afzal@ti.com>,
"lgirdwood@gmail.com" <lgirdwood@gmail.com>,
"rjw@sisk.pl" <rjw@sisk.pl>,
"viresh.kumar@linaro.org" <viresh.kumar@linaro.org>,
"shawn.guo@linaro.org" <shawn.guo@linaro.org>,
"cpufreq@vger.kernel.org" <cpufreq@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Strashko, Grygorii" <grygorii.strashko@ti.com>,
"Tseglytskyi, Andrii" <andrii.tseglytskyi@ti.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"AnilKumar, Chimata" <anilkumar@ti.com>
Subject: Re: [RFC PATCH 0/2] cpufreq/regulator: Limit minimum voltage only
Date: Mon, 22 Apr 2013 14:25:49 +0100 [thread overview]
Message-ID: <20130422132549.GM30351@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <B5906170F1614E41A8A28DE3B8D121433EDB23C1@DBDE01.ent.ti.com>
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On Mon, Apr 22, 2013 at 06:11:12AM +0000, Bedia, Vaibhav wrote:
> On Sat, Apr 20, 2013 at 05:54:10, Kondratiuk, Taras wrote:
> that the PMIC outputs can come is either 1.25V or 1.275V. Now i think there's
> been some confusion in the implementation phase due to things like board level
> IR drops and variations mentioned in the PMIC datasheets which has resulted in
> the tolerance being used both in am33xx.dtsi and then again in the cpufreq driver.
Note that there is support in the regulator API for putting information
in about voltage drops from the board to help compensate for things like
this. It's just a straight linear offset but it should be OK for most
uses.
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next prev parent reply other threads:[~2013-04-22 13:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-19 11:55 [RFC PATCH 0/2] cpufreq/regulator: Limit minimum voltage only Taras Kondratiuk
2013-04-19 11:55 ` [RFC PATCH 1/2] regulator: core: Add regulator_set_voltage_min() Taras Kondratiuk
2013-04-22 13:19 ` Mark Brown
2013-04-22 16:49 ` Taras Kondratiuk
2013-04-23 8:48 ` Mark Brown
2013-04-23 11:44 ` Taras Kondratiuk
2013-04-23 13:45 ` Mark Brown
2013-04-23 18:45 ` Taras Kondratiuk
2013-04-24 9:38 ` Mark Brown
2013-04-19 11:55 ` [RFC PATCH 2/2] cpufreq: cpufreq-cpu0: Limit minimum voltage only Taras Kondratiuk
2013-04-19 16:21 ` [RFC PATCH 0/2] cpufreq/regulator: " Nishanth Menon
2013-04-20 0:24 ` Kondratiuk, Taras
2013-04-22 6:11 ` Bedia, Vaibhav
2013-04-22 13:25 ` Mark Brown [this message]
2013-04-22 16:25 ` Taras Kondratiuk
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