--- a/drivers/of/platform.c	2022-05-26 18:46:15.551656025 +0200
+++ b/drivers/of/platform.c	2022-05-22 21:52:31.000000000 +0200
@@ -114,31 +114,35 @@ struct platform_device *of_device_alloc(
 				  struct device *parent)
 {
 	struct platform_device *dev;
-	int rc, i, num_reg = 0;
+	int rc, i, num_reg = 0, num_irq;
 	struct resource *res, temp_res;
 
 	dev = platform_device_alloc("", PLATFORM_DEVID_NONE);
 	if (!dev)
 		return NULL;
 
-	/* count the io resources */
+	/* count the io and irq resources */
 	while (of_address_to_resource(np, num_reg, &temp_res) == 0)
 		num_reg++;
+	num_irq = of_irq_count(np);
 
 	/* Populate the resource table */
-	if (num_reg) {
-		res = kcalloc(num_reg, sizeof(*res), GFP_KERNEL);
+	if (num_irq || num_reg) {
+		res = kcalloc(num_irq + num_reg, sizeof(*res), GFP_KERNEL);
 		if (!res) {
 			platform_device_put(dev);
 			return NULL;
 		}
 
-		dev->num_resources = num_reg;
+		dev->num_resources = num_reg + num_irq;
 		dev->resource = res;
 		for (i = 0; i < num_reg; i++, res++) {
 			rc = of_address_to_resource(np, i, res);
 			WARN_ON(rc);
 		}
+		if (of_irq_to_resource_table(np, res, num_irq) != num_irq)
+			pr_debug("not all legacy IRQ resources mapped for %pOFn\n",
+				 np);
 	}
 
 	dev->dev.of_node = of_node_get(np);