From: Paul Mundt <lethal@linux-sh.org>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] Fix too early disabling of the serial (SCI(F)) ports
Date: Fri, 04 Dec 2009 04:45:35 +0000 [thread overview]
Message-ID: <20091204044535.GH11047@linux-sh.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0912011045150.4701@axis700.grange>
On Tue, Dec 01, 2009 at 10:54:46AM +0100, Guennadi Liakhovetski wrote:
> Currently serial ports on SH CPUs get disabled too early, because the
> sci_tx_empty() routine claims to not be able to detect whether the
> transmission has been completed and just always returns TIOCSER_TEMT. This
> results in corrupt output of last characters if the port is not open for
> reading at the same time. It is however possible to detect whether
> transmission has been completed. Use the TEND bit of the status register
> for this.
>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Applied, thanks.
next prev parent reply other threads:[~2009-12-04 4:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-01 9:54 [PATCH] Fix too early disabling of the serial (SCI(F)) ports Guennadi Liakhovetski
2009-12-04 4:45 ` Paul Mundt [this message]
2009-12-04 10:51 ` Magnus Damm
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=20091204044535.GH11047@linux-sh.org \
--to=lethal@linux-sh.org \
--cc=linux-sh@vger.kernel.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