net: stmmac: dwmac-starfive: use devm_stmmac_probe_config_dt()

Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().

The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c

@@ -105,7 +105,7 @@ static int starfive_dwmac_probe(struct platform_device *pdev)
 		return dev_err_probe(&pdev->dev, err,
 				     "failed to get resources\n");
 
-	plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac);
+	plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
 	if (IS_ERR(plat_dat))
 		return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat),
 				     "dt configuration failed\n");
@@ -141,13 +141,7 @@ static int starfive_dwmac_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	err = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
-	if (err) {
-		stmmac_remove_config_dt(pdev, plat_dat);
-		return err;
-	}
-
-	return 0;
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 }
 
 static const struct of_device_id starfive_dwmac_match[] = {
@@ -158,7 +152,7 @@ MODULE_DEVICE_TABLE(of, starfive_dwmac_match);
 
 static struct platform_driver starfive_dwmac_driver = {
 	.probe  = starfive_dwmac_probe,
-	.remove_new = stmmac_pltfr_remove,
+	.remove_new = stmmac_pltfr_remove_no_dt,
 	.driver = {
 		.name = "starfive-dwmac",
 		.pm = &stmmac_pltfr_pm_ops,