diff -r c734af59ce98 -r 5b5d147c7838 kernel/eka/drivers/medmmc/medmmc.cpp
--- a/kernel/eka/drivers/medmmc/medmmc.cpp	Tue May 11 17:28:22 2010 +0300
+++ b/kernel/eka/drivers/medmmc/medmmc.cpp	Tue May 25 14:09:55 2010 +0300
@@ -1494,7 +1494,8 @@
 					}
 				}
 			}
-	
+
+#ifdef _ENABLE_EMMC_RELIABLE_WRITE_		
 			//Reliable Write only supported by v4.3+ MMC media
 			if (iCard->ExtendedCSD().ExtendedCSDRev() >= 3)
 				{
@@ -1506,6 +1507,7 @@
 					iSession->Command().iFlags|= KMMCCmdFlagReliableWrite;
 					}
 				}
+#endif //_ENABLE_EMMC_RELIABLE_WRITE_			
 		
 			// Engage the data transfer session...
 			r = EngageAndSetWriteRequest(aMedReq);