[BUG]odroid-c2 does not hotplug usb-devices

[Martin Blumenstingl]

Hi Otto,

On Sat, Nov 28, 2020 at 6:10 PM Otto Meier <gf435 at gmx.net> wrote:
>
> Hello,
>
> I run an Odroid-c2 with newest kernel 5.10.0-rc5
> usb recognises usb devices only when they are plugged in before boot.
> after boot plugged in devices get not recognized.
>
> Any idea where to search for a fix?
there are two answers to this:
- this was fixed two years ago with upstream commit cc10ce0c51b13d [0]
- I think it broke again. off-list I received a hint from a user that
setting kernel cmdline parameter usbcore.autosuspend=-1 works around
this issue. can you please try this? if it fixes USB hotplug for you
then this needs to be reported to the USB maintainers


Best regards
Martin


[0] https://github.com/torvalds/linux/commit/cc10ce0c51b13d1566d0ec1dcb472fb86330b391