On Mon, Oct 24, 2022 at 07:27:10PM +0200, Pavel Machek wrote: > Hi! > > > From: Maciej W. Rozycki <macro@xxxxxxxxxxx> > > > > commit 9906890c89e4dbd900ed87ad3040080339a7f411 upstream. > > > > A SERIAL_8250_16550A_VARIANTS configuration option has been recently > > defined that lets one request the 8250 driver not to probe for 16550A > > device features so as to reduce the driver's device startup time in > > virtual machines. > > > > Some actual hardware devices require these features to have been fully > > determined however for their driver to work correctly, so define a flag > > to let drivers request full 16550A feature probing on a device-by-device > > basis if required regardless of the SERIAL_8250_16550A_VARIANTS option > > setting chosen. > > As far as I can see, the UPF_FULL_PROBE is never set in 5.10.150 tree, > so we should not need it there. Ah, yes, it was tagged wrong. I'll go drop this now, it's only needed in 5.15.y thanks, greg k-h
