From: Ralf Baechle <ralf@linux-mips.org>
To: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org, cpufreq@vger.kernel.org,
Dave Jones <davej@redhat.com>,
Dominik Brodowski <linux@dominikbrodowski.net>,
yanh@lemote.com, huhb@lemote.com
Subject: Re: [PATCH v1 3/3] [loongson] 2f: add CPUFreq support
Date: Tue, 17 Nov 2009 14:10:59 +0100 [thread overview]
Message-ID: <20091117131059.GC17252@linux-mips.org> (raw)
In-Reply-To: <098db5f99a601ad0f5853e7ca0a66200f351a86b.1258392631.git.wuzhangjin@gmail.com>
On Tue, Nov 17, 2009 at 01:32:59AM +0800, Wu Zhangjin wrote:
> Subject: [PATCH v1 3/3] [loongson] 2f: add CPUFreq support
>
> Loongson2f add a new capability to dynamicly scale cpu frequency. And
> when we put it into wait mode via setting the frequency as ZERO, it will
> wait there until an external interrupt take place, which will help
> saving power for us.
>
> And as the last patch described, to enable this support, an external
> timer is needed to avoid getting wrong system time when using the MIPS
> Timer, 'Cause the MIPS Timer's frequency is half of the cpu frequency,
> when the cpu frequency is changed, the MIPS Timer will be not accuracy.
>
> This version incorporates the feedback from "Dominik Brodowski
> <linux@dominikbrodowski.net>" to register transition notifier before
> register_driver().
Thanks, queue for 2.6.33.
Ralf
prev parent reply other threads:[~2009-11-17 13:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-16 17:32 [PATCH v1 0/3] Add CPUFreq support for loongson2f Wu Zhangjin
[not found] ` <cover.1258392631.git.wuzhangjin@gmail.com>
2009-11-16 17:32 ` [PATCH v1 1/3] [loongson] lemote-2f: add cs5536 MFGPT timer support Wu Zhangjin
2009-11-17 13:10 ` Ralf Baechle
2009-11-16 17:32 ` [PATCH v1 2/3] MIPS: add basic options for CPUFreq support Wu Zhangjin
2009-11-17 13:10 ` Ralf Baechle
2009-11-16 17:32 ` [PATCH v1 3/3] [loongson] 2f: add " Wu Zhangjin
2009-11-17 13:10 ` Ralf Baechle [this message]
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=20091117131059.GC17252@linux-mips.org \
--to=ralf@linux-mips.org \
--cc=cpufreq@vger.kernel.org \
--cc=davej@redhat.com \
--cc=huhb@lemote.com \
--cc=linux-mips@linux-mips.org \
--cc=linux@dominikbrodowski.net \
--cc=wuzhangjin@gmail.com \
--cc=yanh@lemote.com \
/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.