From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: markh@compro.net
Cc: Linux-kernel <linux-kernel@vger.kernel.org>,
Mark Hounschell <dmarkh@cfl.rr.com>
Subject: Re: tty TTY_HUPPED anomaly
Date: Fri, 23 Dec 2011 20:40:15 +0000 [thread overview]
Message-ID: <20111223204015.541924f2@pyx> (raw)
In-Reply-To: <4EF4CC92.5090502@compro.net>
> I turned the TTY_DEBUG_HANGUP and added some additional printks. You see
> below the first port works just fine but the second fails because
> something is calling the tty_hangup function around 70usecs after I open
> the device???
> What and Why???
The driver will be - and because the carrier dropped and the HUPCL flag
is set on the port.
Alan
next prev parent reply other threads:[~2011-12-23 20:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-23 14:51 tty TTY_HUPPED anomaly Mark Hounschell
2011-12-23 18:46 ` Mark Hounschell
2011-12-23 20:40 ` Alan Cox [this message]
2012-01-04 15:59 ` Mark Hounschell
2012-01-04 16:27 ` Alan Cox
2012-01-04 18:59 ` Mark Hounschell
2012-01-04 20:28 ` Jiri Slaby
2012-01-04 20:35 ` Mark Hounschell
2012-01-04 20:40 ` Jiri Slaby
2012-01-04 20:50 ` Mark Hounschell
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