Attention is currently required from: Matt DeVillier, Nico Huber.
Joel Linn has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81525?usp=email )
Change subject: superio/ite: Add full-speed config option ......................................................................
Patch Set 1:
(1 comment)
Patchset:
PS1:
if the 8772F is the only SIO that doesn't support this, does it make sense to reverse the Kconfig / […]
_Maybe_ Thing is I am not sure if they all in fact support it, maybe it was simply overlooked before. I browsed some datasheets and the results are mixed. However I wouldn't try to disable it for the affected chips without the hardware at hand.
it8720f register and bit available it8783ef register available, bit reserved if8782f register missing in doc it8786e register and bit available
When ignoring all this, reversing the Kconfig option might be the leanest option though.