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b347f36b10
There is a race condition between SYSJUMP and function release_pmic_pwron_deferred(). Process of EC SW Sync will delay the execution time of release_pmic_pwron_deferred(). PMIC will shutdown the power, if PMIC power button can not be released within 8 seconds (depends on PMIC spec). In order to ensure PMIC power button will be released in time, just release it after SYSJUMP. BUG=chrome-os-partner:46392 BUG=chrome-os-partner:46656 BRANCH=none TEST=make buildall -j; Enable EC SW sync and normal mode in coreboot, Kernel should bootup successfully. Change-Id: I45d4aa0f0d4280e68282ea11ccfda05201f88aae Signed-off-by: Ben Lok <ben.lok@mediatek.com> Reviewed-on: https://chromium-review.googlesource.com/307220 Reviewed-by: Rong Chang <rongchang@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit