475 	struct fsl_mc_uapi *mc_uapi;  in fsl_mc_uapi_dev_open()  local
483 	mc_uapi = container_of(filep->private_data, struct fsl_mc_uapi, misc);  in fsl_mc_uapi_dev_open()
484 	mc_bus = container_of(mc_uapi, struct fsl_mc_bus, uapi_misc);  in fsl_mc_uapi_dev_open()
487 	mutex_lock(&mc_uapi->mutex);  in fsl_mc_uapi_dev_open()
489 	if (!mc_uapi->local_instance_in_use) {  in fsl_mc_uapi_dev_open()
490 		priv_data->mc_io = mc_uapi->static_mc_io;  in fsl_mc_uapi_dev_open()
491 		mc_uapi->local_instance_in_use = 1;  in fsl_mc_uapi_dev_open()
503 	priv_data->uapi = mc_uapi;  in fsl_mc_uapi_dev_open()
506 	mutex_unlock(&mc_uapi->mutex);  in fsl_mc_uapi_dev_open()
511 	mutex_unlock(&mc_uapi->mutex);  in fsl_mc_uapi_dev_open()
520 	struct fsl_mc_uapi *mc_uapi;  in fsl_mc_uapi_dev_release()  local
524 	mc_uapi = priv_data->uapi;  in fsl_mc_uapi_dev_release()
527 	mutex_lock(&mc_uapi->mutex);  in fsl_mc_uapi_dev_release()
529 	if (mc_io == mc_uapi->static_mc_io)  in fsl_mc_uapi_dev_release()
530 		mc_uapi->local_instance_in_use = 0;  in fsl_mc_uapi_dev_release()
537 	mutex_unlock(&mc_uapi->mutex);  in fsl_mc_uapi_dev_release()
576 	struct fsl_mc_uapi *mc_uapi = &mc_bus->uapi_misc;  in fsl_mc_uapi_create_device_file()  local
579 	mc_uapi->misc.minor = MISC_DYNAMIC_MINOR;  in fsl_mc_uapi_create_device_file()
580 	mc_uapi->misc.name = dev_name(&mc_dev->dev);  in fsl_mc_uapi_create_device_file()
581 	mc_uapi->misc.fops = &fsl_mc_uapi_dev_fops;  in fsl_mc_uapi_create_device_file()
583 	error = misc_register(&mc_uapi->misc);  in fsl_mc_uapi_create_device_file()
587 	mc_uapi->static_mc_io = mc_bus->mc_dev.mc_io;  in fsl_mc_uapi_create_device_file()
589 	mutex_init(&mc_uapi->mutex);  in fsl_mc_uapi_create_device_file()