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MdeModulePkg/AtaAtapiPassThru: don't write read-only AHCI MMIO register
authorFeng Tian <feng.tian@intel.com>
Mon, 10 Nov 2014 05:46:21 +0000 (05:46 +0000)
committererictian <erictian@Edk2>
Mon, 10 Nov 2014 05:46:21 +0000 (05:46 +0000)
commit1ff1dd0ff97b05bf88e50120ba49b435601d5ee8
tree8f4029eb16e8ff7ab63c0d7b2b8b3797d8f4b993tree
parent33985e3b52ee2e4b5064331134d983e55a7da904commit | diff
MdeModulePkg/AtaAtapiPassThru: don't write read-only AHCI MMIO register

Per AHCI 1.1 spec, AE bit of GHC register is read-only if CAP.SAM is 1

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16321 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c diff | blob | blame | history
MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.h diff | blob | blame | history
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