irqchip/renesas-rzg2l: Switch to using dev_err_probe()

Make use of dev_err_probe() to simplify rzg2l_irqc_common_init().

Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/all/20250212182034.366167-6-fabrizio.castro.jz@renesas.com

drivers/irqchip/irq-renesas-rzg2l.c

@@ -541,10 +541,8 @@ static int rzg2l_irqc_common_init(struct device_node *node, struct device_node *
 		return -ENODEV;
 
 	parent_domain = irq_find_host(parent);
-	if (!parent_domain) {
-		dev_err(dev, "cannot find parent domain\n");
-		return -ENODEV;
-	}
+	if (!parent_domain)
+		return dev_err_probe(dev, -ENODEV, "cannot find parent domain\n");
 
 	rzg2l_irqc_data = devm_kzalloc(dev, sizeof(*rzg2l_irqc_data), GFP_KERNEL);
 	if (!rzg2l_irqc_data)
@@ -557,28 +555,22 @@ static int rzg2l_irqc_common_init(struct device_node *node, struct device_node *
 		return PTR_ERR(rzg2l_irqc_data->base);
 
 	ret = rzg2l_irqc_parse_interrupts(rzg2l_irqc_data, node);
-	if (ret) {
-		dev_err(dev, "cannot parse interrupts: %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "cannot parse interrupts: %d\n", ret);
 
 	resetn = devm_reset_control_get_exclusive_deasserted(dev, NULL);
 	if (IS_ERR(resetn)) {
-		dev_err(dev, "failed to acquire deasserted reset: %d\n", ret);
-		return PTR_ERR(resetn);
+		return dev_err_probe(dev, PTR_ERR(resetn),
+				     "failed to acquire deasserted reset: %d\n", ret);
 	}
 
 	ret = devm_pm_runtime_enable(dev);
-	if (ret < 0) {
-		dev_err(dev, "devm_pm_runtime_enable failed: %d\n", ret);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "devm_pm_runtime_enable failed: %d\n", ret);
 
 	ret = pm_runtime_resume_and_get(dev);
-	if (ret < 0) {
-		dev_err(dev, "pm_runtime_resume_and_get failed: %d\n", ret);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "pm_runtime_resume_and_get failed: %d\n", ret);
 
 	raw_spin_lock_init(&rzg2l_irqc_data->lock);
 
@@ -587,8 +579,7 @@ static int rzg2l_irqc_common_init(struct device_node *node, struct device_node *
 					      rzg2l_irqc_data);
 	if (!irq_domain) {
 		pm_runtime_put(dev);
-		dev_err(dev, "failed to add irq domain\n");
-		return -ENOMEM;
+		return dev_err_probe(dev, -ENOMEM, "failed to add irq domain\n");
 	}
 
 	register_syscore_ops(&rzg2l_irqc_syscore_ops);