diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 1dd6d3bf109834b453002a251b584c2880bb1c06..73e399466c6edfe0dbd4b704e925dab5bff19904 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -116,6 +116,26 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
 }
 EXPORT_SYMBOL_GPL(platform_get_irq);
 
+/**
+ * platform_irq_count - Count the number of IRQs a platform device uses
+ * @dev: platform device
+ *
+ * Return: Number of IRQs a platform device uses or EPROBE_DEFER
+ */
+int platform_irq_count(struct platform_device *dev)
+{
+	int ret, nr = 0;
+
+	while ((ret = platform_get_irq(dev, nr)) >= 0)
+		nr++;
+
+	if (ret == -EPROBE_DEFER)
+		return ret;
+
+	return nr;
+}
+EXPORT_SYMBOL_GPL(platform_irq_count);
+
 /**
  * platform_get_resource_byname - get a resource for a device by name
  * @dev: platform device
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index dc777be5f2e13229fd5e8be9c45634cd70c44d6e..6abd019c76f8eff7d92cd71aa83c9e6d8b2ab471 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -51,6 +51,7 @@ extern void arch_setup_pdev_archdata(struct platform_device *);
 extern struct resource *platform_get_resource(struct platform_device *,
 					      unsigned int, unsigned int);
 extern int platform_get_irq(struct platform_device *, unsigned int);
+extern int platform_irq_count(struct platform_device *);
 extern struct resource *platform_get_resource_byname(struct platform_device *,
 						     unsigned int,
 						     const char *);