1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index db1794546c56..1a99bb244106 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -149,6 +149,7 @@ EXPORT_SYMBOL(phy_scan_fixups);
 struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id)
 {
         struct phy_device *dev;
+
         /* We allocate the device, and initialize the
          * default values */
         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -179,6 +180,17 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id)
         mutex_init(&dev->lock);
         INIT_DELAYED_WORK(&dev->state_queue, phy_state_machine);
 
+        /* Request the appropriate module unconditionally; don't
+           bother trying to do so only if it isn't already loaded,
+           because that gets complicated. A hotplug event would have
+           done an unconditional modprobe anyway.
+           We don't do normal hotplug because it won't work for MDIO
+           -- because it relies on the device staying around for long
+           enough for the driver to get loaded. With MDIO, the NIC
+           driver will get bored and give up as soon as it finds that
+           there's no driver _already_ loaded. */
+        request_module(MDIO_MODULE_PREFIX MDIO_ID_FMT, MDIO_ID_ARGS(phy_id));
+
         return dev;
 }
 EXPORT_SYMBOL(phy_device_create);