In the ubuntu kernel, we set "CONFIG_USB_DWC2_HOST=y". Let's change it to "CONFIG_USB_DWC2_DUAL_ROLE=y".
And I remember the driver dwc_otg work while the dwc2/3 doesn't work in the kernel, since the dwc_otg is highly optimized. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861070 Title: Raspberry Pi 4B: USB OTG is not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1861070/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
