From: s.hauer@pengutronix.de (Sascha Hauer)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC v2] ARM: i.MX pllv1: Implement set_rate
Date: Sat, 20 Jul 2013 13:58:29 +0200 [thread overview]
Message-ID: <20130720115829.GD29785@pengutronix.de> (raw)
In-Reply-To: <20130720153104.96b6723a20bde172a8ea1ba1@mail.ru>
On Sat, Jul 20, 2013 at 03:31:04PM +0400, Alexander Shiyan wrote:
> On Sat, 20 Jul 2013 13:16:39 +0200
> Sascha Hauer <s.hauer@pengutronix.de> wrote:
>
> > On Sat, Jul 20, 2013 at 12:29:35PM +0400, Alexander Shiyan wrote:
> > > This patch implements frequency change for i.MX pllv1.
> > > Selection of the values of the registers is not optimal, since is
> > > made by simple enumeration of all possible values.
> >
> > You do not mention why you want to adjust the rate. Normally we've been
> > happy with the static values from the bootloader.
>
> For CPUfreq.
> Only one barrier to make it workable.
Isn't it better to adjust the dividers only? I haven't made good
experience with adjusting the PLLs.
Sascha
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
next prev parent reply other threads:[~2013-07-20 11:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-20 8:29 [RFC v2] ARM: i.MX pllv1: Implement set_rate Alexander Shiyan
2013-07-20 11:16 ` Sascha Hauer
2013-07-20 11:31 ` Alexander Shiyan
2013-07-20 11:58 ` Sascha Hauer [this message]
2013-07-20 12:18 ` Alexander Shiyan
2013-07-21 12:37 ` Sascha Hauer
2013-07-22 15:18 ` Alexander Shiyan
2013-07-22 15:24 ` Lucas Stach
2013-07-22 15:40 ` Alexander Shiyan
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=20130720115829.GD29785@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).