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44feb4b4e7
We noticed this on a baytrail board, but the same problem exists in
haswell as well. And while looking there, found that we skipped the
S5G3 state if the 5V rail failed to come up.
Fortunately, these are all rare corner cases; rails will always come
up on a good system. So this only affects systems during bringup and
factory, not devices in the field.
BUG=chrome-os-partner:24915
BRANCH=rambi (and technically haswell, but may not be worth merging)
TEST=Try booting a system with a bad power rail; see that SUSP_VR_EN=0
after the system fails to boot.
Change-Id: Ifd10841d298a0f2510a8b182250b717ea5643c99
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/183733
Reviewed-by: Aaron Durbin <adurbin@chromium.org>