Adrian Carpenter

@lategoodbye Same issue, disconnect the cable and the Pi Zero W still thinks it's in a configured state. ``` pi@raspberrypi:/sys/class/udc/20980000.usb $ cat state configured pi@raspberrypi:/sys/class/udc/20980000.usb $ cat state configured ```...

Ok, let me do a little more testing and reading and if I need to amend I will, then I'll submit a patch. What happens if this issue only occurs...

> It's a bug and you were able to reproduce with a mainline kernel reliable. Don't be afraid this might be specific to the Pi (which i don't believe). It's...

> It's a bug and you were able to reproduce with a mainline kernel reliable. Don't be afraid this might be specific to the Pi (which i don't believe). It's...

Ahh, it moves the serial port. Changed by console parameter to console=ttyS1,115200 and now I get console output. (Although not the complete log, it starts some time after boot)

> The downstream kernel has some patches to simplify the UART naming. Please use ttyAMA0 or ttyS1. But it should provide the complete log. its weird, it definitely misses off...

> It's possibly an issue with the baud rate. > > Yes, i also assume the PHY is part of the DWC2 IP. Unfortunately we don't have a PHY driver...

@lategoodbye i’ve had a quick skim of that datasheet and i concur its the same core. Having a read about as well, they (synopsis) also do phy ip, so we...

> Is the MDIO register definition (p. 203 ff) in the BCM2835 datasheet not sufficient? > What do you think, we need exactly? > Sorry, i don't have in-depth USB...