lkml.org 
[lkml]   [2009]   [Nov]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 00/11] Sort out sdio_uart - stage two
> >From what I can see, sdio_uart_open() and sdio_uart_activate() are 
> called on the first cat invocation, and then sdio_uart_close() and
> sdio_uart_shutdown() when cat is stopped with ^C. However neither

I would have expected the cat to terminate when the port is unplugged
(and the uart remove method called - doing a hangup)

> sdio_uart_open() nor sdio_uart_activate() is ever called anymore with
> any subsequent cat invocations until a reboot. Some upper layer must
> have taken upon itself to return -EIO to user space.

The first call into the driver is to sdio_uart_install which looks up the
port from tty->index and would blow up if for some reason the get method
failed.

Still digging.


\
 
 \ /
  Last update: 2009-11-04 01:55    [W:0.060 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site