X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fprom.h;h=0afee17f33b4f5de4e8ad6cc70b171383809cff9;hb=79acbb3ff2d8095b692e1502b9eb2ccec348de26;hp=ec11d44eaeb5d46085f8d3bbffbece4611c7f9a1;hpb=9d81a782d55bdeec3bfa3106e514bf46ac12e172;p=powerpc.git

diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index ec11d44eae..0afee17f33 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -17,6 +17,7 @@
  */
 #include <linux/types.h>
 #include <linux/proc_fs.h>
+#include <linux/platform_device.h>
 #include <asm/atomic.h>
 
 /* Definitions used by the flattened device tree */
@@ -333,6 +334,20 @@ extern int of_irq_map_one(struct device_node *device, int index,
 struct pci_dev;
 extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
 
+static inline int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
+{
+	int irq = irq_of_parse_and_map(dev, index);
+
+	/* Only dereference the resource if both the
+	 * resource and the irq are valid. */
+	if (r && irq != NO_IRQ) {
+		r->start = r->end = irq;
+		r->flags = IORESOURCE_IRQ;
+	}
+
+	return irq;
+}
+
 
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_PROM_H */