On Tue, Mar 05, 2024 at 11:10:42AM +0100, Uwe Kleine-König wrote: > On a PC Engines APU our admins are faced with: > > $ dmesg | grep -c "gpio-keys-polled gpio-keys-polled: unable to claim gpio 0, err=-517" > 261 > > Such a message always appears when e.g. a new USB device is plugged in. > > Suppress this message which considerably clutters the kernel log for > EPROBE_DEFER (i.e. -517). I'll apply this, but that seems to be a misconfiguration somewhere - we expect deferred probes to succeed eventually, here it looks like it stays deferred forever and each time a new devices gets plugged in we try to resolve deferred probe again and again. Why doesn't gpio 0 become available? Thanks. -- Dmitry