diff options
| -rw-r--r-- | src/interface/efi/efi_entropy.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/interface/efi/efi_entropy.c b/src/interface/efi/efi_entropy.c index 881c4c9a..2a2fc905 100644 --- a/src/interface/efi/efi_entropy.c +++ b/src/interface/efi/efi_entropy.c @@ -79,6 +79,9 @@ static int efi_entropy_enable ( void ) { DBGC ( &tick, "ENTROPY %s RNG protocol\n", ( efirng ? "has" : "has no" ) ); + /* Drop to TPL_APPLICATION to allow timer tick event to take place */ + bs->RestoreTPL ( TPL_APPLICATION ); + /* Create timer tick event */ if ( ( efirc = bs->CreateEvent ( EVT_TIMER, TPL_NOTIFY, NULL, NULL, &tick ) ) != 0 ) { @@ -100,6 +103,9 @@ static void efi_entropy_disable ( void ) { /* Close timer tick event */ bs->CloseEvent ( tick ); + + /* Return to TPL_CALLBACK */ + bs->RaiseTPL ( TPL_CALLBACK ); } /** |