diff --git a/drivers/mci/imx-esdhc.c b/drivers/mci/imx-esdhc.c
index 2937156..7595a93 100644
--- a/drivers/mci/imx-esdhc.c
+++ b/drivers/mci/imx-esdhc.c
@@ -257,10 +257,10 @@
 			return err;
 		if (data->flags & MMC_DATA_WRITE) {
 			dma_flush_range((unsigned long)data->src,
-				(unsigned long)(data->src + 512));
+				(unsigned long)(data->src + data->blocks * 512));
 		} else
 			dma_clean_range((unsigned long)data->src,
-				(unsigned long)(data->src + 512));
+				(unsigned long)(data->src + data->blocks * 512));
 
 	}
 
@@ -317,7 +317,7 @@
 
 		if (data->flags & MMC_DATA_READ) {
 			dma_inv_range((unsigned long)data->dest,
-					(unsigned long)(data->dest + 512));
+					(unsigned long)(data->dest + data->blocks * 512));
 		}
 #endif
 	}