From: Shawn Guo <shawn.guo@linaro.org>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Kevin Hilman <khilman@ti.com>, Nishanth Menon <nm@ti.com>,
Mike Turquette <mturquette@linaro.org>,
linux-pm@vger.kernel.org, devicetree-discuss@lists.ozlabs.org,
cpufreq@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>,
Richard Zhao <richard.zhao@freescale.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/3] cpufreq: Add a generic cpufreq-cpu0 driver
Date: Mon, 30 Jul 2012 16:20:54 +0800 [thread overview]
Message-ID: <20120730082052.GD31509@S2101-09.ap.freescale.net> (raw)
In-Reply-To: <20120730065218.GB31509@S2101-09.ap.freescale.net>
On Mon, Jul 30, 2012 at 02:52:20PM +0800, Shawn Guo wrote:
> On Thu, Jul 26, 2012 at 02:11:21PM +0100, Mark Brown wrote:
> > regulator_get_voltage() might be a bit expensive, many regulators will
> > query the hardware every time. Since it's just for diagnostic purposes
> > it'd be better to not bother and let people read the historical
> > information from the logs.
> >
> Ok, makes sense to me.
>
In the reply to one of Richard's comment, the volt_old will be used
not only for diagnostic purpose but also for reverting voltage back
when clk_set_rate fails.
--
Regards,
Shawn
WARNING: multiple messages have this Message-ID (diff)
From: shawn.guo@linaro.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] cpufreq: Add a generic cpufreq-cpu0 driver
Date: Mon, 30 Jul 2012 16:20:54 +0800 [thread overview]
Message-ID: <20120730082052.GD31509@S2101-09.ap.freescale.net> (raw)
In-Reply-To: <20120730065218.GB31509@S2101-09.ap.freescale.net>
On Mon, Jul 30, 2012 at 02:52:20PM +0800, Shawn Guo wrote:
> On Thu, Jul 26, 2012 at 02:11:21PM +0100, Mark Brown wrote:
> > regulator_get_voltage() might be a bit expensive, many regulators will
> > query the hardware every time. Since it's just for diagnostic purposes
> > it'd be better to not bother and let people read the historical
> > information from the logs.
> >
> Ok, makes sense to me.
>
In the reply to one of Richard's comment, the volt_old will be used
not only for diagnostic purpose but also for reverting voltage back
when clk_set_rate fails.
--
Regards,
Shawn
next prev parent reply other threads:[~2012-07-30 8:20 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-19 15:54 [PATCH 0/3] Add a generic cpufreq-cpu0 driver Shawn Guo
2012-07-19 15:54 ` Shawn Guo
2012-07-19 15:54 ` [PATCH 1/3] ARM: add cpufreq transiton notifier to adjust loops_per_jiffy for smp Shawn Guo
2012-07-19 15:54 ` Shawn Guo
2012-07-20 6:36 ` Shilimkar, Santosh
2012-07-20 6:36 ` Shilimkar, Santosh
2012-07-20 7:56 ` Shawn Guo
2012-07-20 7:56 ` Shawn Guo
2012-07-20 8:27 ` Shilimkar, Santosh
2012-07-20 8:27 ` Shilimkar, Santosh
2012-07-19 15:54 ` [PATCH 2/3] PM / OPP: Initialize OPP table from device tree Shawn Guo
2012-07-19 15:54 ` Shawn Guo
2012-07-20 6:00 ` Menon, Nishanth
2012-07-20 6:00 ` Menon, Nishanth
2012-07-20 8:46 ` Shawn Guo
2012-07-20 8:46 ` Shawn Guo
2012-07-20 9:04 ` Menon, Nishanth
2012-07-20 9:04 ` Menon, Nishanth
2012-07-19 15:54 ` [PATCH 3/3] cpufreq: Add a generic cpufreq-cpu0 driver Shawn Guo
2012-07-19 15:54 ` Shawn Guo
2012-07-20 6:52 ` Shilimkar, Santosh
2012-07-20 6:52 ` Shilimkar, Santosh
[not found] ` <CAMQu2gw32LogXJJa+K5ZjmCZzBNK3FY2wYwZXU8fsftsVzEO2Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-20 12:33 ` Shawn Guo
2012-07-20 12:33 ` Shawn Guo
2012-07-20 15:50 ` Turquette, Mike
2012-07-20 15:50 ` Turquette, Mike
2012-07-21 5:04 ` Shilimkar, Santosh
2012-07-21 5:04 ` Shilimkar, Santosh
2012-07-21 6:38 ` Shawn Guo
2012-07-21 6:38 ` Shawn Guo
2012-07-27 2:04 ` Richard Zhao
2012-07-27 2:04 ` Richard Zhao
2012-07-30 4:57 ` Shawn Guo
2012-07-30 4:57 ` Shawn Guo
2012-07-20 12:51 ` Richard Zhao
2012-07-20 12:51 ` Richard Zhao
2012-07-20 13:15 ` Shawn Guo
2012-07-20 13:15 ` Shawn Guo
[not found] ` <1342713281-31114-4-git-send-email-shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-07-26 13:11 ` Mark Brown
2012-07-26 13:11 ` Mark Brown
[not found] ` <20120726131121.GB7306-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2012-07-27 2:13 ` Richard Zhao
2012-07-27 2:13 ` Richard Zhao
2012-07-27 10:08 ` Mark Brown
2012-07-27 10:08 ` Mark Brown
2012-07-30 6:52 ` Shawn Guo
2012-07-30 6:52 ` Shawn Guo
2012-07-30 8:20 ` Shawn Guo [this message]
2012-07-30 8:20 ` Shawn Guo
2012-07-30 18:55 ` Mark Brown
2012-07-30 18:55 ` Mark Brown
2012-07-30 18:53 ` Mark Brown
2012-07-30 18:53 ` Mark Brown
2012-07-31 4:20 ` Shawn Guo
2012-07-31 4:20 ` Shawn Guo
2012-07-31 13:40 ` Mark Brown
2012-07-31 13:40 ` Mark Brown
2012-07-27 6:33 ` Richard Zhao
2012-07-27 6:33 ` Richard Zhao
2012-07-30 8:17 ` Shawn Guo
2012-07-30 8:17 ` Shawn Guo
2012-07-30 8:50 ` Richard Zhao
2012-07-30 8:50 ` Richard Zhao
2012-07-30 9:24 ` Shawn Guo
2012-07-30 9:24 ` Shawn Guo
2012-07-19 18:39 ` [PATCH 0/3] " Rafael J. Wysocki
2012-07-19 18:39 ` Rafael J. Wysocki
2012-07-20 0:29 ` Shawn Guo
2012-07-20 0:29 ` Shawn Guo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120730082052.GD31509@S2101-09.ap.freescale.net \
--to=shawn.guo@linaro.org \
--cc=broonie@opensource.wolfsonmicro.com \
--cc=cpufreq@vger.kernel.org \
--cc=devicetree-discuss@lists.ozlabs.org \
--cc=khilman@ti.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=mturquette@linaro.org \
--cc=nm@ti.com \
--cc=richard.zhao@freescale.com \
--cc=rjw@sisk.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.