when i bootup .
root@imx6ulevk:~# echo mem > /sys/power/state
PM: Syncing filesystems ... done.
PM: Preparing system for mem sleep
Freezing user space processes ... (elapsed 0.007 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
PM: Entering mem sleep
Suspending console(s) (use no_console_suspend to debug)
wake up by the key。
PM: suspend of devices complete after 709.804 msecs
PM: suspend devices took 0.710 seconds
PM: late suspend of devices complete after 0.961 msecs
PM: noirq suspend of devices complete after 1.051 msecs
Disabling non-boot CPUs ...
Turn off M/F mix!
PM: noirq resume of devices complete after 0.601 msecs
imx-sdma 20ec000.sdma: loaded firmware 3.2
PM: early resume of devices complete after 0.950 msecs
PM: resume of devices complete after 229.608 msecs
PM: resume devices took 0.230 seconds
PM: Finishing wakeup.
Linux imx6ulevk 3.14.52-1.1.0_ga+g5f6f0a5 #1 SMP PREEMPT Fri Aug 5 15:54:13 CST 2016 armv7l GNU/Linux
the info show that：
it's spend several hundred milliseconds time to wakeup.
but i wan to wake up less then 50ms.
can i do some thing to achieve this？
if this mode(Deep-Sleep mode) not apply to fast wake up（less than 50ms）?