> On 11 Jun 2022, at 11:32 am, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Sat, Jun 11, 2022 at 10:49:23AM +0400, Christian Hewitt wrote: >> Commit 6c64a664e1cff339ec698d803fa8cbb9af5d95ce “xhci: Set HCD flag to defer >> primary roothub registration” added for Linux 5.18.3 caused a regression on >> some Amlogic S912 devices (original user forum report with an Android TV box >> and confirmed with a Khadas VIM2 board). I do not see issues with older S905 >> (WeTeK Play2) or newer S922X (Odroid N2+) devices running the same kernel. >> There are no kernel splats or error messages but lsusb shows no output and >> nothing works. Simple revert restores the previous good working behaviour. >> >> dmesg with commit http://ix.io/3ZTv >> dmesg with revert http://ix.io/3ZTw >> >> I’m not a coder so will need to be fed instructions to assist with debugging >> the issue further if you don't have access to an Amlogic S912 device. I can >> share devices online for remote poking around if needed. > > Does 5.19-rc1 also have this problem? No, and in the process of fixing up my normal patchset to test 5.19-rc1 I’ve spotted some other USB patches picked from lists. Once dropped from 5.18.3 usb works again. So my bad, sorry for the noise! Christian