[PATCH 05/15] tty: serial: Add 8250-core based omap driver

Tony Lindgren tony at atomide.com
Fri Aug 29 09:08:42 PDT 2014


* Sebastian Andrzej Siewior <bigeasy at linutronix.de> [140829 08:50]:
> On 08/16/2014 12:44 AM, Tony Lindgren wrote:
> 
> > Oh and echo mem > /sys/power/state and then hitting a key on the serial
> > console won't wake the system. Does that need to be manually configured
> > for device_may_wakeup()?
> 
> This is what it looks like:
> 
> /# echo enabled >
> /sys/devices/68000000.ocp/49020000.serial/tty/ttyS2/power/wakeup
> 
> / # date; echo mem > /sys/power/state; date
> Sat Jan  1 07:01:41 UTC 2000
> [  249.916503] PM: Syncing filesystems ... done.
> [  252.674652] Freezing user space processes ... (elapsed 0.001 seconds)
> done.
> [  252.683563] Freezing remaining freezable tasks ... (elapsed 0.001
> seconds) done.
> [  252.693084] Suspending console(s) (use no_console_suspend to debug)
> [  252.715820] PM: suspend of devices complete after 11.688 msecs
> [  252.722015] PM: late suspend of devices complete after 6.195 msecs
> [  252.729187] PM: noirq suspend of devices complete after 7.110 msecs
> [  252.729278] Successfully put all powerdomains to target state
> [  252.733306] PM: noirq resume of devices complete after 3.967 msecs
> [  252.738708] PM: early resume of devices complete after 4.425 msecs
> [  252.910400] PM: resume of devices complete after 171.569 msecs
> [  252.957855] Restarting tasks ... done.
> Sat Jan  1 07:01:51 UTC 2000

Yes works for me too now thanks.

Tony



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