sparc: Implement and wire up vio_hotplug for vio.

glaubitz · davem330 · commit 5bde2c9be701 · 2016-04-21T16:43:46.000-04:00
Signed-off-by: John Paul Adrian Glaubitz &lt;glaubitz@physik.fu-berlin.de&gt;
Acked-by: Sam Ravnborg &lt;sam@ravnborg.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
@@ -45,6 +45,14 @@ static const struct vio_device_id *vio_match_device(
 	return NULL;
 }
 
+static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
+{
+	const struct vio_dev *vio_dev = to_vio_dev(dev);
+
+	add_uevent_var(env, "MODALIAS=vio:T%sS%s", vio_dev->type, vio_dev->compat);
+	return 0;
+}
+
 static int vio_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct vio_dev *vio_dev = to_vio_dev(dev);
@@ -123,6 +131,7 @@ static struct device_attribute vio_dev_attrs[] = {
 static struct bus_type vio_bus_type = {
 	.name		= "vio",
 	.dev_attrs	= vio_dev_attrs,
+	.uevent         = vio_hotplug,
 	.match		= vio_bus_match,
 	.probe		= vio_device_probe,
 	.remove		= vio_device_remove,
