Merge tag 'renesas-pinctrl-for-v6.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel

pinctrl: renesas: Updates for v6.12

  - Document support for the Renesas RZ/G2M v3.0 (r8a774a3) SoC,
  - Miscellaneous fixes and improvements.

Signed-off-by: Linus Walleij <[email protected]>

Author: linusw

Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml

@@ -25,6 +25,7 @@ properties:
       - renesas,pfc-r8a7745     # RZ/G1E
       - renesas,pfc-r8a77470    # RZ/G1C
       - renesas,pfc-r8a774a1    # RZ/G2M
+      - renesas,pfc-r8a774a3    # RZ/G2M v3.0
       - renesas,pfc-r8a774b1    # RZ/G2N
       - renesas,pfc-r8a774c0    # RZ/G2E
       - renesas,pfc-r8a774e1    # RZ/G2H

drivers/pinctrl/renesas/pinctrl-rzg2l.c

@@ -1261,7 +1261,9 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev,
 		break;
 
 	case PIN_CONFIG_OUTPUT_ENABLE:
-		if (!pctrl->data->oen_read || !(cfg & PIN_CFG_OEN))
+		if (!(cfg & PIN_CFG_OEN))
+			return -EINVAL;
+		if (!pctrl->data->oen_read)
 			return -EOPNOTSUPP;
 		arg = pctrl->data->oen_read(pctrl, _pin);
 		if (!arg)
@@ -1402,7 +1404,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
 
 		case PIN_CONFIG_OUTPUT_ENABLE:
 			arg = pinconf_to_config_argument(_configs[i]);
-			if (!pctrl->data->oen_write || !(cfg & PIN_CFG_OEN))
+			if (!(cfg & PIN_CFG_OEN))
+				return -EINVAL;
+			if (!pctrl->data->oen_write)
 				return -EOPNOTSUPP;
 			ret = pctrl->data->oen_write(pctrl, _pin, !!arg);
 			if (ret)
@@ -2596,16 +2600,13 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
 		return -EPROBE_DEFER;
 
 	ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &of_args);
-	if (ret) {
-		dev_err(pctrl->dev, "Unable to parse gpio-ranges\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(pctrl->dev, ret, "Unable to parse gpio-ranges\n");
 
 	if (of_args.args[0] != 0 || of_args.args[1] != 0 ||
-	    of_args.args[2] != pctrl->data->n_port_pins) {
-		dev_err(pctrl->dev, "gpio-ranges does not match selected SOC\n");
-		return -EINVAL;
-	}
+	    of_args.args[2] != pctrl->data->n_port_pins)
+		return dev_err_probe(pctrl->dev, -EINVAL,
+				     "gpio-ranges does not match selected SOC\n");
 
 	chip->names = pctrl->data->port_pins;
 	chip->request = rzg2l_gpio_request;
@@ -2637,10 +2638,8 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
 	pctrl->gpio_range.name = chip->label;
 	pctrl->gpio_range.gc = chip;
 	ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl);
-	if (ret) {
-		dev_err(pctrl->dev, "failed to add GPIO controller\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(pctrl->dev, ret, "failed to add GPIO controller\n");
 
 	dev_dbg(pctrl->dev, "Registered gpio controller\n");
 
@@ -2726,22 +2725,16 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl)
 
 	ret = devm_pinctrl_register_and_init(pctrl->dev, &pctrl->desc, pctrl,
 					     &pctrl->pctl);
-	if (ret) {
-		dev_err(pctrl->dev, "pinctrl registration failed\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(pctrl->dev, ret, "pinctrl registration failed\n");
 
 	ret = pinctrl_enable(pctrl->pctl);
-	if (ret) {
-		dev_err(pctrl->dev, "pinctrl enable failed\n");
-		return ret;
-	}
+	if (ret)
+		dev_err_probe(pctrl->dev, ret, "pinctrl enable failed\n");
 
 	ret = rzg2l_gpio_register(pctrl);
-	if (ret) {
-		dev_err(pctrl->dev, "failed to add GPIO chip: %i\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(pctrl->dev, ret, "failed to add GPIO chip\n");
 
 	return 0;
 }