Hi, On Tue, Jan 26, 2016 at 4:02 AM, Caesar Wang <wxt at rock-chips.com> wrote: > Hi John, Felipe > > > I'm no familiar with usb stuff. > then I found this patch will break usb working for rk3036 SoCs, maybe more > SoCs. > Says, U disk can't work on usb host. > > The failure log: > > 32.645481] usb usb2-port1: connect-debounce failed > > > Tested by following branch: > https://github.com/Caesar-github/rockchip/tree/kylin/next (kernel: > 4.5-rc1) > > Revert "usb: dwc2: Add functions to set and clear force mode" will work for > it. > > > Maybe, someone have some suggestions or ideas? Can you check if this series helps you? http://marc.info/?l=linux-usb&m=145255851516121&w=2 I know USB on mainline was failing pretty badly for me for rk3288 until I applied those patches, though I didn't debug it further than just applying those patches. -Doug
