From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 2/4] i2c-mv64xxx: Fix timing issue on Armada XP (errata FE-8471889)
Date: Thu, 22 Aug 2013 18:17:31 +0200 [thread overview]
Message-ID: <20130822161730.GB31704@katana> (raw)
In-Reply-To: <1377181146-17341-2-git-send-email-gregory.clement@free-electrons.com>
On Thu, Aug 22, 2013 at 04:19:06PM +0200, Gregory CLEMENT wrote:
> All the Armada XP (mv78230, mv78260 and mv78460) have a silicon issue
> in the I2C controller which violate the i2c repeated start
> timing. The I2C standard requires a minimum of 4.7us for the repeated
> start condition whereas the I2C controller of the Armada XP this time
> is 2.9us.
>
> So this patch adds a 5us delay for the start case only if the
> the compatible i2c-mv78230 is set.
>
> Based on the initals patches from Zbigniew Bodek
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
> Signed-off-by: Zbigniew Bodek <zbb@semihalf.com>
Applied to for-next, thanks!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20130822/4c3d8f64/attachment.sig>
next prev parent reply other threads:[~2013-08-22 16:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-22 14:19 [PATCH v6 1/4] i2c-mv64xxx: Add I2C Transaction Generator support Gregory CLEMENT
2013-08-22 14:19 ` [PATCH v6 2/4] i2c-mv64xxx: Fix timing issue on Armada XP (errata FE-8471889) Gregory CLEMENT
2013-08-22 16:17 ` Wolfram Sang [this message]
2013-08-22 16:17 ` [PATCH v6 1/4] i2c-mv64xxx: Add I2C Transaction Generator support Wolfram Sang
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=20130822161730.GB31704@katana \
--to=wsa@the-dreams.de \
--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