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authorZheng Bao <fishbaozi@gmail.com>2013-11-21 16:12:27 +0800
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2013-12-05 15:13:30 +0100
commit1defc861d064ab9fbad68e33824b2fc9af8f240e (patch)
tree3bee673cc784241bb6fa29c551fb3d027782dfdb /payloads/libpayload/arch
parentddf58ef844e06f338f40397d42f07657f021949f (diff)
downloadcoreboot-1defc861d064ab9fbad68e33824b2fc9af8f240e.tar.xz
AMD Kabini: fix issue 'S3 fails to suspend after wake up from USB keyboard'
Propagated from http://review.coreboot.org/3347 http://review.coreboot.org/3374 The cause of this issue is: USB devices use bit 11(0x0b) of GP0_STS represents S3 wake up event, but this bit is not clear after wake up. So OS thinks there is a wake up signal and wake up immediately. Both amd/olivehill and asrock/imb-a180 have been validated. Change-Id: I7c26cb07bcd2e62bb792809b67314e5155c6adf6 Signed-off-by: Zheng Bao <zheng.bao@amd.com> Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: http://review.coreboot.org/4261 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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