diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c
index 2c52868..6c0c840 100644
--- a/drivers/mmc/tmio-common.c
+++ b/drivers/mmc/tmio-common.c
@@ -324,6 +324,8 @@
 
 	tmp = tmio_sd_readl(priv, TMIO_SD_DMA_MODE);
 
+	tmp |= priv->idma_bus_width;
+
 	if (data->flags & MMC_DATA_READ) {
 		buf = data->dest;
 		dir = DMA_FROM_DEVICE;
@@ -702,6 +704,7 @@
 	if (priv->caps & TMIO_SD_CAP_DMA_INTERNAL) {
 		tmp = tmio_sd_readl(priv, TMIO_SD_DMA_MODE);
 		tmp |= TMIO_SD_DMA_MODE_ADDR_INC;
+		tmp |= priv->idma_bus_width;
 		tmio_sd_writel(priv, tmp, TMIO_SD_DMA_MODE);
 	}
 }