tree 119a0be862a796b5314ba2ab3bedb335f5e6641f
parent 6f622637b1db3e52cd5a8d027fa9543b6828d5fe
author Duncan Laurie <dlaurie@chromium.org> 1377531236 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1377881206 +0000

falco: Re-read critical temperatures in ACPI _TMP

There seem to be a significant number of shutdowns during suspend resume
tests related to critical temperatures.  It is possible that we are getting
a bad reading from PECI and shutting down prematurely in some cases.

If we get a reading that is above critical then wait for the EC to re-poll
and then re-check the temperature in case it was just a bad reading.

Also add some ACPI debug messages when this happens.

BUG=chrome-os-partner:19980
BRANCH=falco,peppy
TEST=emerge-falco chromeos-coreboot-falco

Original-Change-Id: I0ab7bdcc50d133981c0f36fc696b06d4a1d939a7
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/66937
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

(cherry picked from commit a39d7b11dd7b2af37fc2658542d56b32e3966ed4)
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>

Change-Id: Ib612266511d90749ec6507f8467c71523ee8fb95
Reviewed-on: https://chromium-review.googlesource.com/66939
Tested-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Duncan Laurie <dlaurie@chromium.org>