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 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.