From: mikedunn@newsguy.com (Mike Dunn)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: pxa27x: fix ac97 controller warm reset code
Date: Fri, 28 Dec 2012 13:04:59 -0800 [thread overview]
Message-ID: <50DE097B.5050201@newsguy.com> (raw)
In-Reply-To: <50DDF7C3.40303@mvista.com>
On 12/28/2012 11:49 AM, Sergei Shtylyov wrote:
> Hello.
>
> On 12/28/2012 05:52 PM, Mike Dunn wrote:
>
>> This patch fixes some code that implements a work-around to a hardware bug in
>> the ac97 controller on the pxa27x. A bug in the controller's warm reset
>> functionality requires that the mfp used by the controller as the AC97_RESET_n
>> line be temporarily reconfigured as a generic output gpio (AF0) and manually
>> held high for the duration of the warm reset cycle. This is what was done in
>> the original code, but it was broken long ago by commit
>> fb1bf8cd13bfa7ed0364ab0d82f717fc020d35f6, which changed the mfp to a GPIO input
>
> Please also specify the summary of that commit in parens.
OK, will resend patch.
Thanks,
Mike
prev parent reply other threads:[~2012-12-28 21:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-28 14:52 [PATCH] ARM: pxa27x: fix ac97 controller warm reset code Mike Dunn
2012-12-28 18:28 ` Robert Jarzmik
2012-12-28 21:07 ` Mike Dunn
2012-12-28 19:49 ` Sergei Shtylyov
2012-12-28 21:04 ` Mike Dunn [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=50DE097B.5050201@newsguy.com \
--to=mikedunn@newsguy.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 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.