can: rcar_canfd: Use devm_reset_control_get_optional_exclusive

Replace devm_reset_control_get_exclusive->devm_reset_control_
get_optional_exclusive so that we can avoid unnecessary
SoC specific check in probe().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/all/20221025155657.1426948-4-biju.das.jz@bp.renesas.comSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/rcar/rcar_canfd.c

@@ -1889,17 +1889,17 @@ static int rcar_canfd_probe(struct platform_device *pdev)
 	gpriv->chip_id = chip_id;
 	gpriv->max_channels = max_channels;
 
-	if (gpriv->chip_id == RENESAS_RZG2L) {
-		gpriv->rstc1 = devm_reset_control_get_exclusive(&pdev->dev, "rstp_n");
+	gpriv->rstc1 = devm_reset_control_get_optional_exclusive(&pdev->dev,
+								 "rstp_n");
 	if (IS_ERR(gpriv->rstc1))
 		return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc1),
 				     "failed to get rstp_n\n");
 
-		gpriv->rstc2 = devm_reset_control_get_exclusive(&pdev->dev, "rstc_n");
+	gpriv->rstc2 = devm_reset_control_get_optional_exclusive(&pdev->dev,
+								 "rstc_n");
 	if (IS_ERR(gpriv->rstc2))
 		return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc2),
 				     "failed to get rstc_n\n");
-	}
 
 	/* Peripheral clock */
 	gpriv->clkp = devm_clk_get(&pdev->dev, "fck");