[DeviceDrivers] change the type of cmd to 'int'
@@ -490,7 +490,7 @@ static rt_size_t rt_can_write(struct rt_device *dev,
}
static rt_err_t rt_can_control(struct rt_device *dev,
- rt_uint8_t cmd,
+ int cmd,
void *args)
{
struct rt_can_device *can;
