From: Nicolin Chen <nicoleotsuka@gmail.com>
To: Mark Brown <broonie@kernel.org>
Cc: Shengjiu Wang <shengjiu.wang@freescale.com>,
alsa-devel@alsa-project.org, lgirdwood@gmail.com, tiwai@suse.de,
linux-kernel@vger.kernel.org, timur@tabi.org, perex@perex.cz,
Li.Xiubo@freescale.com, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V1] ASoC: fsl_ssi: refine ipg clock usage in this module
Date: Tue, 9 Sep 2014 11:41:31 -0700 [thread overview]
Message-ID: <20140909184130.GB6944@Asurada> (raw)
In-Reply-To: <20140909181516.GI2601@sirena.org.uk>
On Tue, Sep 09, 2014 at 07:15:16PM +0100, Mark Brown wrote:
> On Tue, Sep 09, 2014 at 11:03:10AM -0700, Nicolin Chen wrote:
> > On Tue, Sep 09, 2014 at 12:27:50PM +0100, Mark Brown wrote:
> > > On Tue, Sep 09, 2014 at 05:18:07PM +0800, Shengjiu Wang wrote:
> > > > - ssi_private->clk = devm_clk_get(&pdev->dev, NULL);
> > > > + ssi_private->clk = devm_clk_get(&pdev->dev, "ipg");
>
> > > Why is this change being made? It wasn't mentioned in the commit log
> > > and doesn't seem relevant to moving where the enable and disable are
> > > done which is what the patch is supposed to be doing...
>
> > I think Shengjiu is trying to keep the clock disabled while SSI's idle.
> > The current driver enables ipg clock anyway even if there's no stream
> > running.
>
> > Apparently, these should be put into the comment log.
>
> I got that bit. However as well as changing where the enable and
> disable take place this is also changing from requesting a clock with a
> NULL to requesting one called "ipg".
Understood. Making one patch do one single change is the rule we should
always follow.
next prev parent reply other threads:[~2014-09-09 18:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-09 9:18 [PATCH V1] ASoC: fsl_ssi: refine ipg clock usage in this module Shengjiu Wang
2014-09-09 9:49 ` [alsa-devel] " Markus Pargmann
2014-09-09 9:55 ` Li.Xiubo
2014-09-09 11:27 ` Mark Brown
2014-09-09 18:03 ` Nicolin Chen
2014-09-09 18:15 ` Mark Brown
2014-09-09 18:41 ` Nicolin Chen [this message]
2014-09-09 13:17 ` Timur Tabi
2014-09-09 15:21 ` Mark Brown
2014-09-09 15:24 ` Timur Tabi
2014-09-09 18:38 ` Nicolin Chen
2014-09-09 19:37 ` Timur Tabi
2014-09-09 19:59 ` Nicolin Chen
2014-09-09 20:03 ` Timur Tabi
2014-09-09 20:27 ` Nicolin Chen
2014-09-09 20:37 ` Timur Tabi
2014-09-09 21:09 ` Nicolin Chen
2014-09-10 10:01 ` Shengjiu Wang
2014-09-10 6:21 ` Markus Pargmann
2014-09-10 6:42 ` [alsa-devel] " Nicolin Chen
2014-09-10 10:30 ` Shengjiu Wang
2014-09-10 10:53 ` Markus Pargmann
2014-09-10 8:12 ` Shengjiu Wang
2014-09-10 17:42 ` Nicolin Chen
2014-09-11 6:36 ` Markus Pargmann
2014-09-11 7:07 ` Shengjiu Wang
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=20140909184130.GB6944@Asurada \
--to=nicoleotsuka@gmail.com \
--cc=Li.Xiubo@freescale.com \
--cc=alsa-devel@alsa-project.org \
--cc=broonie@kernel.org \
--cc=lgirdwood@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=perex@perex.cz \
--cc=shengjiu.wang@freescale.com \
--cc=timur@tabi.org \
--cc=tiwai@suse.de \
/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).