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-rw-r--r--include/asm-powerpc/prom.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index ec11d44eaeb5..0afee17f33b4 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 */