diff --git a/drivers/mtd/maps/bast-flash.c b/drivers/mtd/maps/bast-flash.c
index 59fea2a..1f49206 100644
--- a/drivers/mtd/maps/bast-flash.c
+++ b/drivers/mtd/maps/bast-flash.c
@@ -223,3 +223,4 @@
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 MODULE_DESCRIPTION("BAST MTD Map driver");
+MODULE_ALIAS("platform:bast-nor");
diff --git a/drivers/mtd/maps/integrator-flash.c b/drivers/mtd/maps/integrator-flash.c
index 6946d80..325c888 100644
--- a/drivers/mtd/maps/integrator-flash.c
+++ b/drivers/mtd/maps/integrator-flash.c
@@ -190,6 +190,7 @@
 	.remove		= armflash_remove,
 	.driver		= {
 		.name	= "armflash",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -209,3 +210,4 @@
 MODULE_AUTHOR("ARM Ltd");
 MODULE_DESCRIPTION("ARM Integrator CFI map driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:armflash");
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index c26488a..c8396b8 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -253,6 +253,7 @@
 	.remove		= ixp2000_flash_remove,
 	.driver		= {
 		.name	= "IXP2000-Flash",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -270,4 +271,4 @@
 module_exit(ixp2000_flash_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net>");
-
+MODULE_ALIAS("platform:IXP2000-Flash");
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 7a828e3..01f19a4 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -275,6 +275,7 @@
 	.remove		= ixp4xx_flash_remove,
 	.driver		= {
 		.name	= "IXP4XX-Flash",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -295,3 +296,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("MTD map driver for Intel IXP4xx systems");
 MODULE_AUTHOR("Deepak Saxena");
+MODULE_ALIAS("platform:IXP4XX-Flash");
diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c
index e8d9ae5..676248f 100644
--- a/drivers/mtd/maps/omap_nor.c
+++ b/drivers/mtd/maps/omap_nor.c
@@ -156,6 +156,7 @@
 	.remove	= __devexit_p(omapflash_remove),
 	.driver = {
 		.name	= "omapflash",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -174,4 +175,4 @@
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("MTD NOR map driver for TI OMAP boards");
-
+MODULE_ALIAS("platform:omapflash");
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index bc4649a1..183255f 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -242,6 +242,7 @@
 	.shutdown	= physmap_flash_shutdown,
 	.driver		= {
 		.name	= "physmap-flash",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -319,3 +320,10 @@
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
 MODULE_DESCRIPTION("Generic configurable MTD map driver");
+
+/* legacy platform drivers can't hotplug or coldplg */
+#ifndef PHYSMAP_COMPAT
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:physmap-flash");
+#endif
+
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 894c0b2..7160e0e 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -251,6 +251,9 @@
 
 /* device driver info */
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:mtd-ram");
+
 static struct platform_driver platram_driver = {
 	.probe		= platram_probe,
 	.remove		= platram_remove,
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index f904e6b..c7d5a52 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -456,6 +456,7 @@
 	.shutdown	= sa1100_mtd_shutdown,
 	.driver		= {
 		.name	= "flash",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -475,3 +476,4 @@
 MODULE_AUTHOR("Nicolas Pitre");
 MODULE_DESCRIPTION("SA1100 CFI map driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:flash");