lkml.org 
[lkml]   [2011]   [Dec]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: tty TTY_HUPPED anomaly

> 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


\
 
 \ /
  Last update: 2011-12-23 21:43    [W:0.042 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site