Fix the issue of Linux cannot boot and reset on IPF.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2423 6f19259b-4bc3-4df7-8a09-765794883524

EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h

@@ -1097,42 +1097,6 @@ AtaUdmaWriteExt (
   )
 ;
 
-/**
-  Perform an ATA Udma operation (Read, ReadExt, Write, WriteExt).
-  
-  @param[in] *IdeDev
-  pointer pointing to IDE_BLK_IO_DEV data structure, used
-  to record all the information of the IDE device.
-
-  @param[in] *DataBuffer
-  A pointer to the source buffer for the data.
-
-  @param[in] StartLba
-  The starting logical block address to write to
-  on the device media.
-
-  @param[in] NumberOfBlocks
-  The number of transfer data blocks.
-  
-  @param[in] UdmaOp
-  The perform operations could be AtaUdmaReadOp, AtaUdmaReadExOp,
-  AtaUdmaWriteOp, AtaUdmaWriteExOp
-
-  @return The device status of UDMA operation. If the operation is
-  successful, return EFI_SUCCESS.
-
-**/
-EFI_STATUS
-DoAtaUdma (
-  IN  IDE_BLK_IO_DEV      *IdeDev,
-  IN  VOID                *DataBuffer,
-  IN  EFI_LBA             StartLba,
-  IN  UINTN               NumberOfBlocks,
-  IN  ATA_UDMA_OPERATION  UdmaOp
-  )
-;
-
-
 /**
   TODO: Add function description