[PATCH 4/9] drivers/of: Allow IRQ code to work properly on architectures without NO_IRQ

[Stephen Neuendorffer <stephen.neuendorffer-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>]

Sane architectures don't rely on NO_IRQ.  The device tree code shouldn't
require it either.
---
 drivers/of/irq.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 6cfb307..e85883e 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -24,6 +24,12 @@
 #include <linux/of_irq.h>
 #include <linux/string.h>
 
+#ifdef NO_IRQ
+#define OF_NO_IRQ NO_IRQ
+#else
+#define OF_NO_IRQ 0
+#endif
+
 /**
  * irq_of_parse_and_map - Parse and map an interrupt into linux virq space
  * @device: Device node of the device whose interrupt is to be mapped
@@ -37,7 +43,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
 	struct of_irq oirq;
 
 	if (of_irq_map_one(dev, index, &oirq))
-		return NO_IRQ;
+		return OF_NO_IRQ;
 
 	return irq_create_of_mapping(oirq.controller, oirq.specifier,
 				     oirq.size);
@@ -337,7 +343,7 @@ 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 != NO_IRQ) {
+	if (r && irq != OF_NO_IRQ) {
 		r->start = r->end = irq;
 		r->flags = IORESOURCE_IRQ;
 		r->name = dev->full_name;
-- 
1.5.6.6



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