MdeModulePkg/SdMmc: update TPL to notify to fix UEFI SCT hang

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / SdMmcPciHcDxe / SdMmcPciHcDxe.c

diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
index ed6b557347ead7fe7735eeabb92a829f521bb469..0be081dad0bc9ae5e8ca1e6c10aecac00edfb7b7 100644 (file)
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
@@ -238,6 +238,7 @@ SdMmcPciHcEnumerateDevice (
   LIST_ENTRY                          *Link;\r
   LIST_ENTRY                          *NextLink;\r
   SD_MMC_HC_TRB                       *Trb;\r
+  EFI_TPL                             OldTpl;\r
 \r
   Private = (SD_MMC_HC_PRIVATE_DATA*)Context;\r
 \r
@@ -251,6 +252,7 @@ SdMmcPciHcEnumerateDevice (
         //\r
         // Signal all async task events at the slot with EFI_NO_MEDIA status.\r
         //\r
+        OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
         for (Link = GetFirstNode (&Private->Queue);\r
              !IsNull (&Private->Queue, Link);\r
              Link = NextLink) {\r
@@ -263,6 +265,7 @@ SdMmcPciHcEnumerateDevice (
             SdMmcFreeTrb (Trb);\r
           }\r
         }\r
+        gBS->RestoreTPL (OldTpl);\r
         //\r
         // Notify the upper layer the connect state change through ReinstallProtocolInterface.\r
         //\r
@@ -665,7 +668,7 @@ SdMmcPciHcDriverBindingStart (
   //\r
   Status = gBS->CreateEvent (\r
                   EVT_TIMER | EVT_NOTIFY_SIGNAL,\r
-                  TPL_CALLBACK,\r
+                  TPL_NOTIFY,\r
                   ProcessAsyncTaskList,\r
                   Private,\r
                   &Private->TimerEvent\r
@@ -961,7 +964,7 @@ SdMmcPassThruPassThru (
   // Wait async I/O list is empty before execute sync I/O operation.\r
   //\r
   while (TRUE) {\r
-    OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
+    OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
     if (IsListEmpty (&Private->Queue)) {\r
       gBS->RestoreTPL (OldTpl);\r
       break;\r
@@ -1273,7 +1276,7 @@ SdMmcPassThruResetDevice (
   //\r
   // Free all async I/O requests in the queue\r
   //\r
-  OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
+  OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
 \r
   for (Link = GetFirstNode (&Private->Queue);\r
        !IsNull (&Private->Queue, Link);\r