From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: "Sri Deevi" <Srinivasa.Deevi@conexant.com>
Cc: "Devin Heitmueller" <dheitmueller@kernellabs.com>,
"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
"Maxime Ripard" <maxime.ripard@free-electrons.com>
Subject: Re: cx231xx: DMA problem on ARM
Date: Sat, 24 Sep 2011 20:04:18 +0200 [thread overview]
Message-ID: <20110924200418.64cdc73f@skate> (raw)
In-Reply-To: <34B38BE41EDBA046A4AFBB591FA311320506479CF0@NBMBX01.bbnet.ad>
Hello Srinivasa,
Le Fri, 23 Sep 2011 05:26:07 -0700,
"Sri Deevi" <Srinivasa.Deevi@conexant.com> a écrit :
> Do you have USB Analyzer (hardware) ? If so, Is it possible to take a
> trace and compare it with x86 trace to see for any obvious
> differences ?
Unfortunately, I don't have an hardware USB analyzer to do such a
comparison.
> I am actually confused why set interface fails in the
> log. The device is very simple one with no firmware and is totally
> controlled by hardware itself. So far we had never seen any issue,
> though never tried with any other ARM based devices. Not sure if
> anybody had tried already.
Seems like nobody ever tried to use this device on an ARM platform,
unfortunately.
Regards,
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
next prev parent reply other threads:[~2011-09-24 18:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-21 11:56 cx231xx: DMA problem on ARM Thomas Petazzoni
2011-09-21 12:04 ` Devin Heitmueller
2011-09-21 19:17 ` Thomas Petazzoni
2011-09-22 14:45 ` Thomas Petazzoni
2011-09-22 15:09 ` Devin Heitmueller
2011-09-22 15:29 ` Thomas Petazzoni
2011-09-23 12:04 ` Thomas Petazzoni
2011-09-23 12:26 ` Sri Deevi
2011-09-24 18:04 ` Thomas Petazzoni [this message]
2011-09-24 2:15 ` Mauro Carvalho Chehab
2011-09-26 8:13 ` Thomas Petazzoni
2011-09-26 17:32 ` Mauro Carvalho Chehab
2011-09-26 19:02 ` Laurent Pinchart
2011-09-26 19:59 ` Thomas Petazzoni
2011-09-26 20:03 ` Mauro Carvalho Chehab
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=20110924200418.64cdc73f@skate \
--to=thomas.petazzoni@free-electrons.com \
--cc=Srinivasa.Deevi@conexant.com \
--cc=dheitmueller@kernellabs.com \
--cc=linux-media@vger.kernel.org \
--cc=maxime.ripard@free-electrons.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 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).