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-rw-r--r--drivers/of/irq.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 0f0cfa3bca30..9cf00602f566 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -341,9 +341,18 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
/* Only dereference the resource if both the
* resource and the irq are valid. */
if (r && irq) {
+ const char *name = NULL;
+
+ /*
+ * Get optional "interrupts-names" property to add a name
+ * to the resource.
+ */
+ of_property_read_string_index(dev, "interrupt-names", index,
+ &name);
+
r->start = r->end = irq;
r->flags = IORESOURCE_IRQ;
- r->name = dev->full_name;
+ r->name = name ? name : dev->full_name;
}
return irq;