Debugging some #asahilinux USB issues with
@janneJanne Grunau and right now it looks like ATCPHY is even more cursed than we thought: At boot time, macOS powers up the usb2 PHY once, switches it to host mode and immediately shuts it down again even when no device is connected. I missed this so far but it looks like we actually need this if we want usb2 devices plugged in during boot to work reliably π
@svenSven Peter still wondering why it even helps if we might just chasing the βghostβ of initializing the usb controllers in device mode in our m1n1 test setup. that needs of work as well
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