can: rockchip_canfd: convert netif_napi_add()

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
diff --git a/drivers/net/can/rockchip/rockchip_canfd.c b/drivers/net/can/rockchip/rockchip_canfd.c
index 69f3e43..2dbfadc 100644
--- a/drivers/net/can/rockchip/rockchip_canfd.c
+++ b/drivers/net/can/rockchip/rockchip_canfd.c
@@ -1141,7 +1141,7 @@ static int rockchip_canfd_probe(struct platform_device *pdev)
 
 	if (rcan->mode == ROCKCHIP_RK3568_CAN_MODE_V2) {
 		rcan->txtorx = 0;
-		netif_napi_add(ndev, &rcan->napi, rockchip_canfd_rx_poll, 6);
+		netif_napi_add(ndev, &rcan->napi, rockchip_canfd_rx_poll);
 	}
 
 	ndev->netdev_ops = &rockchip_canfd_netdev_ops;