diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c index f4c00bb770..6a7713cdaf 100644 --- a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c +++ b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c @@ -805,14 +805,6 @@ IsaSerialReceiveTransmit ( do {
Lsr.Data = READ_LSR (SerialDevice->IsaIo, SerialDevice->BaseAddress);
- if (FeaturePcdGet (PcdNtEmulatorEnable)) {
- //
- // This is required for NT to avoid a forever-spin...
- // This would be better if READ_LSR was a polling operation
- // that would timeout.
- //
- Lsr.Bits.THRE = 1;
- }
//
// Flush incomming data to prevent a an overrun during a long write
//
@@ -1728,17 +1720,13 @@ IsaSerialPortPresent ( WRITE_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, 0xAA);
if (READ_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress) != 0xAA) {
- if (!FeaturePcdGet (PcdNtEmulatorEnable)) {
- Status = FALSE;
- }
+ Status = FALSE;
}
WRITE_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, 0x55);
if (READ_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress) != 0x55) {
- if (!FeaturePcdGet (PcdNtEmulatorEnable)) {
- Status = FALSE;
- }
+ Status = FALSE;
}
//
// Restore SCR
|