Testing.

[Oleg]

> this sounds innocent at first but actually it's crucial for MMC (at
> least in the current M8S configuration). PWM_E is used to generate the
> 32.768 kHz clock for the wifi chip. so without CONFIG_PWM_MESON the
> pwm_ef node won't get probed, meaning that a dependency of the mmc
> controller is missing.
> I'll fix that as well next weekend (it also has to be enabled in
> multi_v7_defconfig)
I found in the configuration CONFIG_PWM_MESON and put =y.
  Or you need to add code / patch in the source code ?

> this looks suspicious, do you have anything connected to that port?
> I've seen that when connecting a 2.5" HDD when the PSU doesn't have
> enough power to spin up the HDD as well.
This TV box have 2 USB port.
One port is connected to the external hub
(this hub connecned USB keyboard and mouse from PC).