retired PcdNtEmulatorEnable.

[mirror_edk2.git] / IntelFrameworkModulePkg / Bus / Isa / IsaSerialDxe / Serial.c

diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
index f4c00bb77015a123105fb9201e2babca1ae11a1a..6a7713cdaf5f16b3a24d85d0bc2ec59ac0fa04d4 100644 (file)
--- a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
+++ b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
@@ -805,14 +805,6 @@ IsaSerialReceiveTransmit (
     do {\r
       Lsr.Data = READ_LSR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
 \r
-      if (FeaturePcdGet (PcdNtEmulatorEnable)) {\r
-        //\r
-        // This is required for NT to avoid a forever-spin...\r
-        // This would be better if READ_LSR was a polling operation\r
-        // that would timeout.\r
-        //\r
-        Lsr.Bits.THRE = 1;\r
-      }\r
       //\r
       // Flush incomming data to prevent a an overrun during a long write\r
       //\r
@@ -1728,17 +1720,13 @@ IsaSerialPortPresent (
   WRITE_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, 0xAA);\r
 \r
   if (READ_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress) != 0xAA) {\r
-    if (!FeaturePcdGet (PcdNtEmulatorEnable)) {\r
-      Status = FALSE;\r
-    }\r
+    Status = FALSE;\r
   }\r
 \r
   WRITE_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, 0x55);\r
 \r
   if (READ_SCR (SerialDevice->IsaIo, SerialDevice->BaseAddress) != 0x55) {\r
-    if (!FeaturePcdGet (PcdNtEmulatorEnable)) {\r
-      Status = FALSE;\r
-    }\r
+    Status = FALSE;\r
   }\r
   //\r
   // Restore SCR\r