>Out of 227 remote wakeup events from a USB mouse and keyboard:
> - 163 transitions from RExit to U0 were immediate ( < 1 microsecond)
> - 47 transitions from RExit to U0 took under 10 ms
> - 17 transitions were over 10ms
So, 10 ms might indeed be sufficient for 99% of devices. But some devices (i.e. this mouse/kb combo) needs between 10 ms and 12 ms in 8% of all wakeups.
>Out of 227 remote wakeup events from a USB mouse and keyboard: > - 163 transitions from RExit to U0 were immediate ( < 1 microsecond) > - 47 transitions from RExit to U0 took under 10 ms > - 17 transitions were over 10ms
So, 10 ms might indeed be sufficient for 99% of devices. But some devices (i.e. this mouse/kb combo) needs between 10 ms and 12 ms in 8% of all wakeups.
[1] http://marc.info/?l=linux-usb&m=137714769606183&w=2