From: Mauro Carvalho Chehab <mchehab@infradead.org>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: "Igor M. Liplianin" <liplianin@me.by>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
aospan@netup.ru
Subject: Re: [PATCH 01/18] Altera FPGA firmware download module.
Date: Fri, 31 Dec 2010 09:27:38 -0200 [thread overview]
Message-ID: <4D1DBE2A.5080003@infradead.org> (raw)
In-Reply-To: <201012311212.19715.laurent.pinchart@ideasonboard.com>
Em 31-12-2010 09:12, Laurent Pinchart escreveu:
> Hi Igor,
>
> On Friday 31 December 2010 06:26:31 Igor M. Liplianin wrote:
>> It uses STAPL files and programs Altera FPGA through JTAG.
>> Interface to JTAG must be provided from main device module,
>> for example through cx23885 GPIO.
>
> It might be a bit late for this comment (sorry for not having noticed the
> patch set earlier), but...
>
> Do we really need a complete JTAG implementation in the kernel ? Wouldn't it
> better to handle this in userspace with a tiny kernel driver to access the
> JTAG signals ?
>
Laurent,
Igor already explained it. From what I understood, the device he is
working has a firmware that needs to be loaded via JTAG/FPGA.
Actually, I liked the idea, as the FPGA programming driver could be
useful if other drivers have similar usecases.
Cheers,
Mauro
next prev parent reply other threads:[~2010-12-31 11:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-31 5:26 [PATCH 01/18] Altera FPGA firmware download module Igor M. Liplianin
2010-12-31 5:39 ` Randy Dunlap
2010-12-31 10:53 ` Mauro Carvalho Chehab
2011-01-01 0:39 ` Igor M. Liplianin
2010-12-31 11:12 ` Laurent Pinchart
2010-12-31 11:27 ` Mauro Carvalho Chehab [this message]
2010-12-31 11:30 ` Laurent Pinchart
2010-12-31 11:47 ` Mauro Carvalho Chehab
2010-12-31 15:04 ` Ben Gamari
2011-01-05 10:26 ` Laurent Pinchart
2011-01-10 20:10 ` Igor M. Liplianin
2011-01-07 19:31 ` Ben Gamari
2011-01-16 17:04 ` Mauro Carvalho Chehab
-- strict thread matches above, loose matches on Subject: below --
2010-12-31 11:37 Igor M. Liplianin
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=4D1DBE2A.5080003@infradead.org \
--to=mchehab@infradead.org \
--cc=aospan@netup.ru \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=liplianin@me.by \
/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.