NFCMRVL_USB_BULK_RUNNING
set_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags);
clear_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags);
if (test_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags)) {
clear_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags);
if (!test_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags))