[coreboot-gerrit] Patch merged into coreboot/master: 88da842 lynxpoint: Avoid any ME device communication in S3 path

gerrit at coreboot.org gerrit at coreboot.org
Sat Dec 21 07:38:56 CET 2013


the following patch was just integrated into master:
commit 88da842642ea283cf43722afd41ed9452f0fa8ed
Author: Duncan Laurie <dlaurie at chromium.org>
Date:   Mon Jul 22 08:47:43 2013 -0700

    lynxpoint: Avoid any ME device communication in S3 path
    
    The management engine is occasionally hanging the system on resume
    when it is accessed.  Since we actually don't need to do anything
    with it on resume it can be disabled early in the resume path and
    avoid assigning resources just to remove them later.
    
    suspend/resume on falco and check /sys/firmware/log
    to ensure that device 00:16.0 is disabled early and that no
    resources are probed or assigned and that the device init path
    does not execute.
    
    Change-Id: I35573681e3a1d43d816d24954842cbe9c61f3484
    Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
    Reviewed-on: https://gerrit.chromium.org/gerrit/62897
    Reviewed-by: Aaron Durbin <adurbin at chromium.org>


See http://review.coreboot.org/4376 for details.

-gerrit



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