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-rwxr-xr-xMdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c
index ee5314510b..61d351726d 100755
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c
@@ -51,6 +51,8 @@ EmmcReset (
SdMmcCmdBlk.ResponseType = 0;
SdMmcCmdBlk.CommandArgument = 0;
+ gBS->Stall (1000);
+
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
return Status;