diff options
Diffstat (limited to 'EmbeddedPkg/Universal')
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c index 57fa14e42e..82ec5a7a2d 100644 --- a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c +++ b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c @@ -486,6 +486,22 @@ MmcDetectCard ( }
}
+EFI_STATUS
+MmcStopTransmission (
+ EFI_MMC_HOST_PROTOCOL *MmcHost
+ )
+{
+ EFI_STATUS Status;
+ UINT32 Response[4];
+ // Command 12 - Stop transmission (ends read or write)
+ // Normally only needed for streaming transfers or after error.
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);
+ if (!EFI_ERROR (Status)) {
+ MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);
+ }
+ return Status;
+}
+
#define MMCI0_BLOCKLEN 512
#define MMCI0_TIMEOUT 10000
@@ -598,6 +614,7 @@ MmcIoBlocks ( Status = MmcHost->ReadBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));
+ MmcStopTransmission (MmcHost);
return Status;
}
Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);
@@ -610,16 +627,11 @@ MmcIoBlocks ( Status = MmcHost->WriteBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status));
+ MmcStopTransmission (MmcHost);
return Status;
}
}
- // Command 12 - Stop transmission (ends read)
- Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);
- if (!EFI_ERROR (Status)) {
- MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);
- }
-
// Command 13 - Read status and wait for programming to complete (return to tran)
Timeout = MMCI0_TIMEOUT;
CmdArg = MmcHostInstance->CardInfo.RCA << 16;
|