Revision: 14027
http://edk2.svn.sourceforge.net/edk2/?rev=14027&view=rev
Author: erictian
Date: 2013-01-04 05:58:24 +0000 (Fri, 04 Jan 2013)
Log Message:
-----------
MdeModulePkg/AtaAtapiPassThru: Not set AhciCmdC bit of CommandList when doing
transaction as AHCI spec say this bit is only used to do soft reset
Signed-off-by: Feng Tian <[email protected]>
Reviewed-by: Elvin Li <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
Modified: trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
===================================================================
--- trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c 2012-12-28
01:20:57 UTC (rev 14026)
+++ trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c 2013-01-04
05:58:24 UTC (rev 14027)
@@ -548,7 +548,6 @@
CommandList->AhciCmdA = 1;
CommandList->AhciCmdP = 1;
- CommandList->AhciCmdC = (DataLength == 0) ? 1 : 0;
AhciOrReg (PciIo, Offset, (EFI_AHCI_PORT_CMD_DLAE |
EFI_AHCI_PORT_CMD_ATAPI));
} else {
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