lkml.org 
[lkml]   [2007]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-pm] [PATCH, RFC] wake up from a serial port
On Mon, 27 Aug 2007, Pavel Machek wrote:

> Hi!
>
> > Enable wakeup from serial ports, make it run-time configurable over sysfs,
> > e.g.,
> >
> > echo enabled > /sys/devices/platform/serial8250.0/tty/ttyS0/power/wakeup
> >
> > Requires
> >
> > # CONFIG_SYSFS_DEPRECATED is not set
> >
> > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
>
> Hmm, interesting, looks ok to me. What are you using it for?

Linkstation / kurobox systems from Buffalo Tech. have an AVR controller
connected to host's UART. The AVR controls power, buttons, fan, LEDs,
sensors... So, practically the only way to wake the system up is to press
a button, which sends a byte from the AVR to the CPU.

Thanks
Guennadi
---
Guennadi Liakhovetski
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-08-27 19:33    [W:0.098 / U:0.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site