diff options
Diffstat (limited to 'EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c')
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c index 7341d9f9b8..cd04369652 100644 --- a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c +++ b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c @@ -369,6 +369,28 @@ MmcReset ( IN BOOLEAN ExtendedVerification
)
{
+ MMC_HOST_INSTANCE *MmcHostInstance;
+
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);
+
+ if (MmcHostInstance->MmcHost == NULL) {
+ // Nothing to do
+ return EFI_SUCCESS;
+ }
+
+ // If a card is not present then clear all media settings
+ if (!MmcHostInstance->MmcHost->IsCardPresent()) {
+ MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;
+ MmcHostInstance->BlockIo.Media->LastBlock = 0;
+ MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo
+ MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;
+
+ // Indicate that the driver requires initialization
+ MmcHostInstance->State = MmcHwInitializationState;
+
+ return EFI_SUCCESS;
+ }
+
// Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn
// on power and restart Identification mode
return EFI_SUCCESS;
@@ -419,11 +441,7 @@ MmcIoBlocks ( }
// Check if a Card is Present
- if (!MmcHost->IsCardPresent()) {
- MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;
- MmcHostInstance->BlockIo.Media->LastBlock = 0;
- MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo
- MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;
+ if (!MmcHostInstance->BlockIo.Media->MediaPresent) {
return EFI_NO_MEDIA;
}
|