From: Timur Tabi <timur@tabi.org>
To: Markus Pargmann <mpa@pengutronix.de>
Cc: alsa-devel mailing list <alsa-devel@alsa-project.org>,
Juergen Beisert <jbe@pengutronix.de>,
Liam Girdwood <lgirdwood@gmail.com>,
stable@vger.kernel.org, Mark Brown <broonie@kernel.org>,
Sascha Hauer <kernel@pengutronix.de>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [alsa-devel] [PATCH] ASoC: fsl-ssi: fix SDMA starvation
Date: Wed, 13 Nov 2013 08:15:21 -0600 [thread overview]
Message-ID: <52838979.7060309@tabi.org> (raw)
In-Reply-To: <20131113133841.GI30263@pengutronix.de>
Markus Pargmann wrote:
> Is it necessary to keep TDMAE enabled the whole time? In the patch we
> enable it when playback starts and disable when it stops, so the
> communication between DMA and SSI shouldn't be disturbed.
I will have to test it to be sure, but there's a risk that the bit won't
be set early enough. I've seen weird problems like that on my board.
WARNING: multiple messages have this Message-ID (diff)
From: timur@tabi.org (Timur Tabi)
To: linux-arm-kernel@lists.infradead.org
Subject: [alsa-devel] [PATCH] ASoC: fsl-ssi: fix SDMA starvation
Date: Wed, 13 Nov 2013 08:15:21 -0600 [thread overview]
Message-ID: <52838979.7060309@tabi.org> (raw)
In-Reply-To: <20131113133841.GI30263@pengutronix.de>
Markus Pargmann wrote:
> Is it necessary to keep TDMAE enabled the whole time? In the patch we
> enable it when playback starts and disable when it stops, so the
> communication between DMA and SSI shouldn't be disturbed.
I will have to test it to be sure, but there's a risk that the bit won't
be set early enough. I've seen weird problems like that on my board.
next prev parent reply other threads:[~2013-11-13 14:15 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-12 11:17 [PATCH] ASoC: fsl-ssi: fix SDMA starvation Markus Pargmann
2013-11-12 11:17 ` Markus Pargmann
2013-11-12 12:55 ` Timur Tabi
2013-11-12 12:55 ` Timur Tabi
2013-11-12 13:24 ` Markus Pargmann
2013-11-12 13:24 ` Markus Pargmann
2013-11-12 20:17 ` [alsa-devel] " Timur Tabi
2013-11-12 20:17 ` Timur Tabi
2013-11-13 8:31 ` Jürgen Beisert
2013-11-13 8:31 ` Jürgen Beisert
2013-11-13 13:11 ` Timur Tabi
2013-11-13 13:11 ` Timur Tabi
2013-11-13 12:16 ` Markus Pargmann
2013-11-13 12:16 ` Markus Pargmann
2013-11-13 13:10 ` Timur Tabi
2013-11-13 13:10 ` Timur Tabi
2013-11-13 13:38 ` Markus Pargmann
2013-11-13 13:38 ` Markus Pargmann
2013-11-13 14:15 ` Timur Tabi [this message]
2013-11-13 14:15 ` Timur Tabi
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=52838979.7060309@tabi.org \
--to=timur@tabi.org \
--cc=alsa-devel@alsa-project.org \
--cc=broonie@kernel.org \
--cc=jbe@pengutronix.de \
--cc=kernel@pengutronix.de \
--cc=lgirdwood@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=mpa@pengutronix.de \
--cc=stable@vger.kernel.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 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.