60 	struct mutex notifier_lock;	/* Guards notifier access for registration */
61 	struct ssam_cdev_notifier *notifier[SSH_NUM_EVENTS];  member
91 /* -- Notifier handling. ---------------------------------------------------- */
144 	/* Validate notifier target category. */  in ssam_cdev_notifier_register()
150 	/* Check if the notifier has already been registered. */  in ssam_cdev_notifier_register()
151 	if (client->notifier[event]) {  in ssam_cdev_notifier_register()
156 	/* Allocate new notifier. */  in ssam_cdev_notifier_register()
164 	 * Create a dummy notifier with the minimal required fields for  in ssam_cdev_notifier_register()
176 	/* Register notifier. */  in ssam_cdev_notifier_register()
181 		client->notifier[event] = nf;  in ssam_cdev_notifier_register()
195 	/* Validate notifier target category. */  in ssam_cdev_notifier_unregister()
201 	/* Check if the notifier is currently registered. */  in ssam_cdev_notifier_unregister()
202 	if (!client->notifier[event]) {  in ssam_cdev_notifier_unregister()
207 	/* Unregister and free notifier. */  in ssam_cdev_notifier_unregister()
208 	status = ssam_notifier_unregister(client->cdev->ctrl, &client->notifier[event]->nf);  in ssam_cdev_notifier_unregister()
209 	kfree(client->notifier[event]);  in ssam_cdev_notifier_unregister()
210 	client->notifier[event] = NULL;  in ssam_cdev_notifier_unregister()
234 		 * Device has been shut down. Any notifier remaining is a bug,  in ssam_cdev_notifier_unregister_all()
240 			count += !!(client->notifier[i]);  in ssam_cdev_notifier_unregister_all()
241 			kfree(client->notifier[i]);  in ssam_cdev_notifier_unregister_all()
242 			client->notifier[i] = NULL;  in ssam_cdev_notifier_unregister_all()