Any help on the USB ports keyboards/airmouse plugged in and keys typed, repeating by themselves?
Other symptoms - keyboards repeating keys, unresponsive USB touch controllers, slow isochronous data transfers etc
If this problem can be fixed, RK3288 devices will be almost perfect.
According to Rockchip Chrome OS 3.14 kernel uses DWC2 USB drivers that completely solves the problem but our RK3288's still use old buggy dwc_otg_310 USB drivers.
They say it could be possible to backport the DWC2 drivers, but it's too difficult for me to do.
Please read here
From website above
"naobsd: basically I am investigating some (apparently) serious issues with the dwc_otg_310 driver shipped with the Rockchip v3.10 kernel, for RK3288 - the CPU is flooded with IRQs when using a USB hub especially and that is something that the RPi community has taken onboard with a complete USB controller driver re-write: https://www.raspberrypi.org/forums/v...ic.php?t=39175
04:34 <bashintosh> The link from the RPi community shows the same issues that I am experiencing with all RK3288 platforms - keyboards repeating keys, unresponsive USB touch controllers, slow isochronous data transfers etc. The manufacturer of the OTG HS controller (embedded in the RK3288) which is Synopsys, suggests that Rockchip should use DWC2 driver rather than dwc_otg_310. Was thinking to port the RPi driver (or
04:34 <bashintosh> attempt) onto RK3288 and see what happens."
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