[coreboot-gerrit] Change in coreboot[master]: mb/google/brya: Reset XHCI controller while preparing for S5

[Subrata Banik (Code Review)]

Attention is currently required from: Maulik V Vaghela, Sridhar Siricilla, Nick Vaccaro, Eric Lai, Felix Held.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63552 )

Change subject: mb/google/brya: Reset XHCI controller while preparing for S5
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Patch Set 4:

(1 comment)

Patchset:

PS4:
> My concern I guess would be adding a new weak SoC smihandler_sleep function(), when this should hopefully be reverted soon-ish, and then it is no longer needed.

I guess earlier, SMI handler resides inside SoC layer hence, only one mainboard callback serves well. But after we migrated the SMI handler into common code, I agree with Felix that we should have provided 2 callback (one for SOC and one for mainboard) to W/A such issue at SoC layer rather touching every mainboard.