diff -r e4a7b1cbe40c -r 2a0ada0a1bf8 kernel/eka/drivers/medmmc/medmmc.cpp
--- a/kernel/eka/drivers/medmmc/medmmc.cpp	Mon May 10 11:40:53 2010 +0100
+++ b/kernel/eka/drivers/medmmc/medmmc.cpp	Wed May 12 10:34:10 2010 +0100
@@ -1485,7 +1485,8 @@
 					}
 				}
 			}
-	
+
+#ifdef _ENABLE_EMMC_RELIABLE_WRITE_		
 			//Reliable Write only supported by v4.3+ MMC media
 			if (iCard->ExtendedCSD().ExtendedCSDRev() >= 3)
 				{
@@ -1497,6 +1498,7 @@
 					iSession->Command().iFlags|= KMMCCmdFlagReliableWrite;
 					}
 				}
+#endif //_ENABLE_EMMC_RELIABLE_WRITE_			
 		
 			// Engage the data transfer session...
 			r = EngageAndSetWriteRequest(aMedReq);