PcAtChipsetPkg/SerialIoLib: Remove negative value shift

[mirror_edk2.git] / PcAtChipsetPkg / Library / SerialIoLib / SerialPortLib.c

diff --git a/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c b/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c
index dcb43fac6234002aaf818e80616fcfc159211362..0a2e20c1d932c0e816621526b5de4443e9668575 100644 (file)
--- a/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c
+++ b/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c
@@ -1,7 +1,7 @@
 /** @file\r
   UART Serial Port library functions\r
 \r
-  Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -91,19 +91,19 @@ SerialPortInitialize (
   // Set communications format\r
   //\r
   OutputData = (UINT8) ((DLAB << 7) | (gBreakSet << 6) | (gParity << 3) | (gStop << 2) | Data);\r
-  IoWrite8 ((UINTN) (gUartBase + LCR_OFFSET), OutputData);\r
+  IoWrite8 (gUartBase + LCR_OFFSET, OutputData);\r
 \r
   //\r
   // Configure baud rate\r
   //\r
-  IoWrite8 ((UINTN) (gUartBase + BAUD_HIGH_OFFSET), (UINT8) (Divisor >> 8));\r
-  IoWrite8 ((UINTN) (gUartBase + BAUD_LOW_OFFSET), (UINT8) (Divisor & 0xff));\r
+  IoWrite8 (gUartBase + BAUD_HIGH_OFFSET, (UINT8) (Divisor >> 8));\r
+  IoWrite8 (gUartBase + BAUD_LOW_OFFSET, (UINT8) (Divisor & 0xff));\r
 \r
   //\r
   // Switch back to bank 0\r
   //\r
-  OutputData = (UINT8) ((~DLAB << 7) | (gBreakSet << 6) | (gParity << 3) | (gStop << 2) | Data);\r
-  IoWrite8 ((UINTN) (gUartBase + LCR_OFFSET), OutputData);\r
+  OutputData = (UINT8) ( (gBreakSet << 6) | (gParity << 3) | (gStop << 2) | Data);\r
+  IoWrite8 (gUartBase + LCR_OFFSET, OutputData);\r
 \r
   return RETURN_SUCCESS;\r
 }\r
@@ -470,19 +470,19 @@ SerialPortSetAttributes (
   // Set communications format\r
   //\r
   OutputData = (UINT8) ((DLAB << 7) | (gBreakSet << 6) | (LcrParity << 3) | (LcrStop << 2) | LcrData);\r
-  IoWrite8 ((UINTN) (gUartBase + LCR_OFFSET), OutputData);\r
+  IoWrite8 (gUartBase + LCR_OFFSET, OutputData);\r
 \r
   //\r
   // Configure baud rate\r
   //\r
-  IoWrite8 ((UINTN) (gUartBase + BAUD_HIGH_OFFSET), (UINT8) (Divisor >> 8));\r
-  IoWrite8 ((UINTN) (gUartBase + BAUD_LOW_OFFSET), (UINT8) (Divisor & 0xff));\r
+  IoWrite8 (gUartBase + BAUD_HIGH_OFFSET, (UINT8) (Divisor >> 8));\r
+  IoWrite8 (gUartBase + BAUD_LOW_OFFSET, (UINT8) (Divisor & 0xff));\r
 \r
   //\r
   // Switch back to bank 0\r
   //\r
-  OutputData = (UINT8) ((~DLAB << 7) | (gBreakSet << 6) | (LcrParity << 3) | (LcrStop << 2) | LcrData);\r
-  IoWrite8 ((UINTN) (gUartBase + LCR_OFFSET), OutputData);\r
+  OutputData = (UINT8) ((gBreakSet << 6) | (LcrParity << 3) | (LcrStop << 2) | LcrData);\r
+  IoWrite8 (gUartBase + LCR_OFFSET, OutputData);\r
 \r
   return RETURN_SUCCESS;\r
 }\r