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From: MyungJoo Ham <myungjoo.ham@samsung.com>
To: Nishanth Menon <nm@ti.com>, linux-pm <linux-pm@vger.kernel.org>
Cc: "Rajagopal Venkat" <rajagopal.venkat@linaro.org>,
	박경민 <kyungmin.park@samsung.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	"Kevin Hilman" <khilman@ti.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [for-next PATCH V2] PM / devfreq: Add sysfs node to expose available frequencies
Date: Fri, 26 Oct 2012 06:16:36 +0000 (GMT)	[thread overview]
Message-ID: <16123783.160701351232196244.JavaMail.weblogic@epv6ml08> (raw)

> devfreq governors such as ondemand are controlled by a min and
> max frequency, while governors like userspace governor allow us
> to set a specific frequency.
> However, for the same specific device, depending on the SoC, the
> available frequencies can vary.
> 
> So expose the available frequencies as a snapshot over sysfs to
> allow informed decisions.
> 
> This was inspired by cpufreq framework's equivalent for similar
> usage sysfs node: scaling_available_frequencies.
> 
> Cc: Rajagopal Venkat <rajagopal.venkat@linaro.org>
> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> Cc: Kyungmin Park <kyungmin.park@samsung.com>
> Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
> Cc: Kevin Hilman <khilman@ti.com>
> Cc: linux-pm@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> 
> Signed-off-by: Nishanth Menon <nm@ti.com>

Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>


WARNING: multiple messages have this Message-ID (diff)
From: MyungJoo Ham <myungjoo.ham@samsung.com>
To: Nishanth Menon <nm@ti.com>, linux-pm <linux-pm@vger.kernel.org>
Cc: "Rajagopal Venkat" <rajagopal.venkat@linaro.org>,
	박경민 <kyungmin.park@samsung.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	"Kevin Hilman" <khilman@ti.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [for-next PATCH V2] PM / devfreq: Add sysfs node to expose available frequencies
Date: Fri, 26 Oct 2012 06:16:38 +0000 (GMT)	[thread overview]
Message-ID: <16123783.160701351232196244.JavaMail.weblogic@epv6ml08> (raw)

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=euc-kr, Size: 1031 bytes --]

> devfreq governors such as ondemand are controlled by a min and
> max frequency, while governors like userspace governor allow us
> to set a specific frequency.
> However, for the same specific device, depending on the SoC, the
> available frequencies can vary.
> 
> So expose the available frequencies as a snapshot over sysfs to
> allow informed decisions.
> 
> This was inspired by cpufreq framework's equivalent for similar
> usage sysfs node: scaling_available_frequencies.
> 
> Cc: Rajagopal Venkat <rajagopal.venkat@linaro.org>
> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> Cc: Kyungmin Park <kyungmin.park@samsung.com>
> Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
> Cc: Kevin Hilman <khilman@ti.com>
> Cc: linux-pm@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> 
> Signed-off-by: Nishanth Menon <nm@ti.com>

Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>

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             reply	other threads:[~2012-10-26  6:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-26  6:16 MyungJoo Ham [this message]
2012-10-26  6:16 ` [for-next PATCH V2] PM / devfreq: Add sysfs node to expose available frequencies MyungJoo Ham
2012-10-31  0:45 ` Rafael J. Wysocki
  -- strict thread matches above, loose matches on Subject: below --
2012-10-31  2:11 MyungJoo Ham
2012-10-31  9:15 ` Rafael J. Wysocki
     [not found] <[for-next PATCH] PM / devfreq: Add sysfs node to expose available frequencies>
2012-10-26  0:48 ` Nishanth Menon
2012-10-26  0:48   ` Nishanth Menon

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