Function rt_bus_remove_driver

components/drivers/core/bus.c:303–330

* @brief This function remove a driver from bus * * @param drv the driver to be removed * * @return the error code, RT_EOK on added successfully. */

 *  @return the error code, RT_EOK on added successfully.
 */
rt_err_t rt_bus_remove_driver(rt_driver_t drv)
{
    rt_err_t err;
    rt_bus_t bus;

    RT_ASSERT(drv != RT_NULL);
    RT_ASSERT(drv->bus != RT_NULL);

    bus = drv->bus;

    LOG_D("Bus(%s) remove driver %s", bus->name, drv->parent.name);

    _dm_bus_lock(&bus->drv_lock);

    if (drv->ref_count)
    {
        err = -RT_EBUSY;
    }
    else
    {
        rt_list_remove(&drv->node);
        err = RT_EOK;
    }

    _dm_bus_unlock(&bus->drv_lock);

    return err;
}

/**
 *  @brief This function remove a device from bus