X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FInclude%2FLibrary%2FSerialPortLib.h;h=30b8aa9ccf5e5b2f44d83159a9e8ee69fcd64965;hb=9bb407c64341443be5935b4a92697e24da2e9088;hp=1ab8e97adc5c30add67e21e03d56fefdfd20cceb;hpb=50a64e5b0b92772b3aa02c23a64745b51094916b;p=mirror_edk2.git

diff --git a/MdePkg/Include/Library/SerialPortLib.h b/MdePkg/Include/Library/SerialPortLib.h
index 1ab8e97adc..30b8aa9ccf 100644
--- a/MdePkg/Include/Library/SerialPortLib.h
+++ b/MdePkg/Include/Library/SerialPortLib.h
@@ -1,5 +1,5 @@
 /** @file
-  Provides three common serial I/O port functions.
+  This library class provides common serial I/O port functions.
 
 Copyright (c) 2006 - 2008, Intel Corporation
 All rights reserved. This program and the accompanying materials
@@ -38,9 +38,7 @@ SerialPortInitialize (
   Writes NumberOfBytes data bytes from Buffer to the serial device.  
   The number of bytes actually written to the serial device is returned.
   If the return value is less than NumberOfBytes, then the write operation failed.
-
   If Buffer is NULL, then ASSERT(). 
-
   If NumberOfBytes is zero, then return 0.
 
   @param  Buffer           Pointer to the data buffer to be written.
@@ -54,8 +52,8 @@ SerialPortInitialize (
 UINTN
 EFIAPI
 SerialPortWrite (
-  IN UINT8 	   *Buffer,
-  IN UINTN 	   NumberOfBytes
+  IN UINT8     *Buffer,
+  IN UINTN     NumberOfBytes
   );
 
 
@@ -65,23 +63,21 @@ SerialPortWrite (
   Reads NumberOfBytes data bytes from a serial device into the buffer
   specified by Buffer. The number of bytes actually read is returned. 
   If the return value is less than NumberOfBytes, then the rest operation failed.
-
   If Buffer is NULL, then ASSERT(). 
-
   If NumberOfBytes is zero, then return 0.
 
   @param  Buffer           Pointer to the data buffer to store the data read from the serial device.
   @param  NumberOfBytes    Number of bytes which will be read.
 
   @retval 0                Read data failed, No data is to be read.
-  @retval !0               Aactual number of bytes read from serial device.
+  @retval >0               Aactual number of bytes read from serial device.
 
 **/
 UINTN
 EFIAPI
 SerialPortRead (
-  OUT UINT8 	*Buffer,
-  IN  UINTN 	NumberOfBytes
+  OUT UINT8   *Buffer,
+  IN  UINTN   NumberOfBytes
   );
 
 /**