44 	struct hiddev *hiddev;  member
143 	struct hiddev *hiddev = hid->hiddev;  in hiddev_send_event()  local
147 	spin_lock_irqsave(&hiddev->list_lock, flags);  in hiddev_send_event()
148 	list_for_each_entry(list, &hiddev->list, node) {  in hiddev_send_event()
157 	spin_unlock_irqrestore(&hiddev->list_lock, flags);  in hiddev_send_event()
159 	wake_up_interruptible(&hiddev->wait);  in hiddev_send_event()
221 	spin_lock_irqsave(&list->hiddev->list_lock, flags);  in hiddev_release()
223 	spin_unlock_irqrestore(&list->hiddev->list_lock, flags);  in hiddev_release()
225 	mutex_lock(&list->hiddev->existancelock);  in hiddev_release()
226 	if (!--list->hiddev->open) {  in hiddev_release()
227 		if (list->hiddev->exist) {  in hiddev_release()
228 			hid_hw_close(list->hiddev->hid);  in hiddev_release()
229 			hid_hw_power(list->hiddev->hid, PM_HINT_NORMAL);  in hiddev_release()
231 			mutex_unlock(&list->hiddev->existancelock);  in hiddev_release()
232 			kfree(list->hiddev);  in hiddev_release()
238 	mutex_unlock(&list->hiddev->existancelock);  in hiddev_release()
252 	struct hiddev *hiddev;  in hiddev_open()  local
259 	hiddev = hid->hiddev;  in hiddev_open()
264 	list->hiddev = hiddev;  in hiddev_open()
271 	if (list->hiddev->exist) {  in hiddev_open()
272 		if (!list->hiddev->open++) {  in hiddev_open()
273 			res = hid_hw_open(hiddev->hid);  in hiddev_open()
282 	spin_lock_irq(&list->hiddev->list_lock);  in hiddev_open()
283 	list_add_tail(&list->node, &hiddev->list);  in hiddev_open()
284 	spin_unlock_irq(&list->hiddev->list_lock);  in hiddev_open()
286 	mutex_lock(&hiddev->existancelock);  in hiddev_open()
291 	if (!list->hiddev->exist) {  in hiddev_open()
295 	if (!list->hiddev->open++)  in hiddev_open()
296 		if (list->hiddev->exist) {  in hiddev_open()
297 			struct hid_device *hid = hiddev->hid;  in hiddev_open()
305 	mutex_unlock(&hiddev->existancelock);  in hiddev_open()
310 	mutex_unlock(&hiddev->existancelock);  in hiddev_open()
312 	spin_lock_irq(&list->hiddev->list_lock);  in hiddev_open()
314 	spin_unlock_irq(&list->hiddev->list_lock);  in hiddev_open()
352 			prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE);  in hiddev_read()
359 				if (!list->hiddev->exist) {  in hiddev_read()
372 					finish_wait(&list->hiddev->wait, &wait);  in hiddev_read()
377 			finish_wait(&list->hiddev->wait, &wait);  in hiddev_read()
429 	poll_wait(file, &list->hiddev->wait, wait);  in hiddev_poll()
432 	if (!list->hiddev->exist)  in hiddev_poll()
440 static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, void __user *user_a…  in hiddev_ioctl_usage()  argument
442 	struct hid_device *hid = hiddev->hid;  in hiddev_ioctl_usage()
575 static noinline int hiddev_ioctl_string(struct hiddev *hiddev, unsigned int cmd, void __user *user_…  in hiddev_ioctl_string()  argument
577 	struct hid_device *hid = hiddev->hid;  in hiddev_ioctl_string()
606 	struct hiddev *hiddev = list->hiddev;  in hiddev_ioctl()  local
619 	mutex_lock(&hiddev->existancelock);  in hiddev_ioctl()
620 	if (!hiddev->exist) {  in hiddev_ioctl()
625 	hid = hiddev->hid;  in hiddev_ioctl()
694 		r = hiddev_ioctl_string(hiddev, cmd, user_arg);  in hiddev_ioctl()
699 		hiddev->initialized = true;  in hiddev_ioctl()
803 		if (!hiddev->initialized) {  in hiddev_ioctl()
805 			hiddev->initialized = true;  in hiddev_ioctl()
807 		r = hiddev_ioctl_usage(hiddev, cmd, user_arg);  in hiddev_ioctl()
853 	mutex_unlock(&hiddev->existancelock);  in hiddev_ioctl()
896 	struct hiddev *hiddev;  in hiddev_connect()  local
912 	if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))  in hiddev_connect()
915 	init_waitqueue_head(&hiddev->wait);  in hiddev_connect()
916 	INIT_LIST_HEAD(&hiddev->list);  in hiddev_connect()
917 	spin_lock_init(&hiddev->list_lock);  in hiddev_connect()
918 	mutex_init(&hiddev->existancelock);  in hiddev_connect()
919 	hid->hiddev = hiddev;  in hiddev_connect()
920 	hiddev->hid = hid;  in hiddev_connect()
921 	hiddev->exist = 1;  in hiddev_connect()
925 		hid->hiddev = NULL;  in hiddev_connect()
926 		kfree(hiddev);  in hiddev_connect()
934 	hiddev->initialized = hid->quirks & HID_QUIRK_NO_INIT_REPORTS;  in hiddev_connect()
936 	hiddev->minor = usbhid->intf->minor;  in hiddev_connect()
948 	struct hiddev *hiddev = hid->hiddev;  in hiddev_disconnect()  local
953 	mutex_lock(&hiddev->existancelock);  in hiddev_disconnect()
954 	hiddev->exist = 0;  in hiddev_disconnect()
956 	if (hiddev->open) {  in hiddev_disconnect()
957 		mutex_unlock(&hiddev->existancelock);  in hiddev_disconnect()
958 		hid_hw_close(hiddev->hid);  in hiddev_disconnect()
959 		wake_up_interruptible(&hiddev->wait);  in hiddev_disconnect()
961 		mutex_unlock(&hiddev->existancelock);  in hiddev_disconnect()
962 		kfree(hiddev);  in hiddev_disconnect()