diff -ruPN a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
--- a/arch/arm/boot/dts/am33xx.dtsi	2015-05-05 18:39:05.000000000 +0200
+++ b/arch/arm/boot/dts/am33xx.dtsi	2015-05-15 14:59:35.000000000 +0200
@@ -35,6 +35,9 @@
 		phy1 = &usb1_phy;
 		ethernet0 = &cpsw_emac0;
 		ethernet1 = &cpsw_emac1;
+		mmc0 = &mmc1;
+		mmc1 = &mmc2;
+		mmc2 = &mmc3;
 	};
 
 	cpus {
diff -ruPN a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
--- a/drivers/mmc/card/block.c	2015-05-05 18:39:05.000000000 +0200
+++ b/drivers/mmc/card/block.c	2015-05-15 15:56:29.588766242 +0200
@@ -2109,7 +2109,8 @@
 	 * index anymore so we keep track of a name index.
 	 */
 	if (!subname) {
-		md->name_idx = find_first_zero_bit(name_use, max_devices);
+		md->name_idx = find_next_zero_bit(name_use, max_devices,
+				card->host->index);
 		__set_bit(md->name_idx, name_use);
 	} else
 		md->name_idx = ((struct mmc_blk_data *)
diff -ruPN a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
--- a/drivers/mmc/core/host.c	2015-05-05 18:39:05.000000000 +0200
+++ b/drivers/mmc/core/host.c	2015-05-15 15:00:30.000000000 +0200
@@ -463,8 +463,8 @@
  */
 struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
 {
-	int err;
 	struct mmc_host *host;
+	int of_id = -1, id = -1;
 
 	host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL);
 	if (!host)
@@ -474,12 +474,26 @@
 	host->rescan_disable = 1;
 	idr_preload(GFP_KERNEL);
 	spin_lock(&mmc_host_lock);
-	err = idr_alloc(&mmc_host_idr, host, 0, 0, GFP_NOWAIT);
-	if (err >= 0)
-		host->index = err;
+
+	if (dev->of_node)
+		of_id = of_alias_get_id(dev->of_node, "mmc");
+
+	if (of_id >= 0) {
+		id = idr_alloc(&mmc_host_idr, host, of_id, of_id + 1,
+				GFP_NOWAIT);
+		if (id < 0)
+			dev_warn(dev, "/aliases ID %d not available\n", of_id);
+	}
+
+	if (id < 0)
+		id = idr_alloc(&mmc_host_idr, host, 0, 0, GFP_NOWAIT);
+
+	if (id >= 0)
+		host->index = id;
+
 	spin_unlock(&mmc_host_lock);
 	idr_preload_end();
-	if (err < 0) {
+	if (id < 0) {
 		kfree(host);
 		return NULL;
 	}