From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: OMAP1: DMA: Correct the number of logical channels
Date: Fri, 6 Jan 2017 08:33:35 -0800 [thread overview]
Message-ID: <20170106163335.GE2630@atomide.com> (raw)
In-Reply-To: <20170105214750.g7d6kbaq7q4vgrug@raspberrypi-2.musicnaut.iki.fi>
* Aaro Koskinen <aaro.koskinen@iki.fi> [170105 13:48]:
> Hi,
>
> On Tue, Jan 03, 2017 at 01:22:34PM +0200, Peter Ujfalusi wrote:
> > OMAP1510, OMAP5910 and OMAP310 have only 9 logical channels.
> > OMAP1610, OMAP5912, OMAP1710, OMAP730, and OMAP850 have 16 logical channels
> > available.
> >
> > The wired 17 for the lch_count must have been used to cover the 16 + 1
> > dedicated LCD channel, in reality we can only use 9 or 16 channels.
> >
> > The d->chan_count is not used by the omap-dma stack, so we can skip the
> > setup. chan_count was configured to the number of logical channels and not
> > the actual number of physical channels anyways.
> >
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>
> Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Applying into omap-for-v4.10/fixes thanks.
Tony
prev parent reply other threads:[~2017-01-06 16:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-03 11:22 [PATCH] ARM: OMAP1: DMA: Correct the number of logical channels Peter Ujfalusi
2017-01-05 17:31 ` Tony Lindgren
2017-01-05 21:47 ` Aaro Koskinen
2017-01-06 16:33 ` Tony Lindgren [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=20170106163335.GE2630@atomide.com \
--to=tony@atomide.com \
--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).