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 <[email protected]>
>
> 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
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