1 files changed, 33 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/vio.c b/arch/sparc64/kernel/vio.c
index 49569b44ea1f..d487be093b4a 100644
--- a/arch/sparc64/kernel/vio.c
+++ b/arch/sparc64/kernel/vio.c
@@ -172,6 +172,36 @@ struct device_node *cdev_node;
 static struct vio_dev *root_vdev;
 static u64 cdev_cfg_handle;
 
+static void vio_add(struct mdesc_handle *hp, u64 node)
+{
+        const char *name = mdesc_get_property(hp, node, "name", NULL);
+        const u64 *id = mdesc_get_property(hp, node, "id", NULL);
+
+        printk(KERN_ERR "VIO: Device add (%s) ID[%lx]\n",
+               name, *id);
+}
+
+static void vio_remove(struct mdesc_handle *hp, u64 node)
+{
+        const char *name = mdesc_get_property(hp, node, "name", NULL);
+        const u64 *id = mdesc_get_property(hp, node, "id", NULL);
+
+        printk(KERN_ERR "VIO: Device remove (%s) ID[%lx]\n",
+               name, *id);
+}
+
+static struct mdesc_notifier_client vio_device_notifier = {
+        .add            = vio_add,
+        .remove         = vio_remove,
+        .node_name      = "virtual-device-port",
+};
+
+static struct mdesc_notifier_client vio_ds_notifier = {
+        .add            = vio_add,
+        .remove         = vio_remove,
+        .node_name      = "domain-services-port",
+};
+
 static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp,
                                   struct vio_dev *vdev)
 {
@@ -381,6 +411,9 @@ static int __init vio_init(void)
 
         cdev_cfg_handle = *cfg_handle;
 
+        mdesc_register_notifier(&vio_device_notifier);
+        mdesc_register_notifier(&vio_ds_notifier);
+
         create_devices(hp, root);
 
         mdesc_release(hp);