This change ensure the MMC card is in Identification Mode.
The card might be in Data Transfer Mode if a pre UEFI Boot Loader
had initialized the card.
A potential optimization would be to skip the Identification Mode
in this case.
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13872
6f19259b-4bc3-4df7-8a09-
765794883524
DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r
return Status;\r
}\r
DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r
return Status;\r
}\r
- } else {\r
- //Note: Could even be used in all cases. But it looks this command could put the state machine into inactive for some cards\r
- Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r
- if (EFI_ERROR(Status)) {\r
- DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r
- return Status;\r
- }\r
+ }\r
+\r
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r
+ return Status;\r
}\r
\r
Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r
}\r
\r
Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r