524 static int cx8802_request_acquire(struct cx8802_driver *drv)  in cx8802_request_acquire()  argument
526 	struct cx88_core *core = drv->core;  in cx8802_request_acquire()
531 	    core->active_type_id != drv->type_id)  in cx8802_request_acquire()
534 	if (drv->type_id == CX88_MPEG_DVB) {  in cx8802_request_acquire()
548 	if (drv->advise_acquire)  in cx8802_request_acquire()
552 			core->active_type_id = drv->type_id;  in cx8802_request_acquire()
553 			drv->advise_acquire(drv);  in cx8802_request_acquire()
563 static int cx8802_request_release(struct cx8802_driver *drv)  in cx8802_request_release()  argument
565 	struct cx88_core *core = drv->core;  in cx8802_request_release()
567 	if (drv->advise_release && --core->active_ref == 0)  in cx8802_request_release()
569 		if (drv->type_id == CX88_MPEG_DVB) {  in cx8802_request_release()
575 		drv->advise_release(drv);  in cx8802_request_release()
583 static int cx8802_check_driver(struct cx8802_driver *drv)  in cx8802_check_driver()  argument
585 	if (drv == NULL)  in cx8802_check_driver()
588 	if ((drv->type_id != CX88_MPEG_DVB) &&  in cx8802_check_driver()
589 		(drv->type_id != CX88_MPEG_BLACKBIRD))  in cx8802_check_driver()
592 	if ((drv->hw_access != CX8802_DRVCTL_SHARED) &&  in cx8802_check_driver()
593 		(drv->hw_access != CX8802_DRVCTL_EXCLUSIVE))  in cx8802_check_driver()
596 	if ((drv->probe == NULL) ||  in cx8802_check_driver()
597 		(drv->remove == NULL) ||  in cx8802_check_driver()
598 		(drv->advise_acquire == NULL) ||  in cx8802_check_driver()
599 		(drv->advise_release == NULL))  in cx8802_check_driver()
605 int cx8802_register_driver(struct cx8802_driver *drv)  in cx8802_register_driver()  argument
613 	       drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",  in cx8802_register_driver()
614 	       drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");  in cx8802_register_driver()
616 	if ((err = cx8802_check_driver(drv)) != 0) {  in cx8802_register_driver()
631 		driver = kzalloc(sizeof(*drv),GFP_KERNEL);  in cx8802_register_driver()
638 		drv->core = dev->core;  in cx8802_register_driver()
639 		drv->suspend = cx8802_suspend_common;  in cx8802_register_driver()
640 		drv->resume = cx8802_resume_common;  in cx8802_register_driver()
641 		drv->request_acquire = cx8802_request_acquire;  in cx8802_register_driver()
642 		drv->request_release = cx8802_request_release;  in cx8802_register_driver()
643 		memcpy(driver, drv, sizeof(*driver));  in cx8802_register_driver()
645 		mutex_lock(&drv->core->lock);  in cx8802_register_driver()
646 		err = drv->probe(driver);  in cx8802_register_driver()
655 		mutex_unlock(&drv->core->lock);  in cx8802_register_driver()
664 int cx8802_unregister_driver(struct cx8802_driver *drv)  in cx8802_unregister_driver()  argument
672 	       drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",  in cx8802_unregister_driver()
673 	       drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");  in cx8802_unregister_driver()
688 			if (d->type_id != drv->type_id)  in cx8802_unregister_driver()
778 		struct cx8802_driver *drv, *tmp;  in cx8802_remove()  local
785 		list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) {  in cx8802_remove()
786 			err = drv->remove(drv);  in cx8802_remove()
788 				list_del(&drv->drvlist);  in cx8802_remove()
792 			kfree(drv);  in cx8802_remove()