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path: root/drivers/net/phy/phy_device.c
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Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r--drivers/net/phy/phy_device.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index db17945..1a99bb2 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);