InitializeListHead (&mPrivateData.DataListHead);\r
InitializeListHead (&mPrivateData.FilterDriverListHead);\r
\r
- EfiInitializeLock (&mPrivateData.DataLock, TPL_NOTIFY);\r
+ EfiInitializeLock (&mPrivateData.DataLock, TPL_CALLBACK);\r
\r
//\r
// Make sure we get a bigger MTC number on every boot!\r