---

yaml --- r: 234760 b: refs/heads/master c: 77694b4 h: refs/heads/master v: v3
git-mirror · Feb 19, 2011 · f2586e2 · f2586e2
1 parent 02cc1b6
commit f2586e2
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Showing 3 changed files with 12 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 781295762defc709a609efc01d8bb065276cd9a2
+refs/heads/master: 77694b408abb8f92195ad5ed6ce5492f1d794c77
diff --git a/trunk/include/linux/irq.h b/trunk/include/linux/irq.h
@@ -328,10 +328,12 @@ struct irq_chip {
 /*
  * irq_chip specific flags
  *
- * IRQCHIP_SET_TYPE_MASKED:		Mask before calling chip.irq_set_type()
+ * IRQCHIP_SET_TYPE_MASKED:	Mask before calling chip.irq_set_type()
+ * IRQCHIP_EOI_IF_HANDLED:	Only issue irq_eoi() when irq was handled
  */
 enum {
 	IRQCHIP_SET_TYPE_MASKED		= (1 <<  0),
+	IRQCHIP_EOI_IF_HANDLED		= (1 <<  1),
 };
 
 /* This include will go away once we isolated irq_desc usage to core code */

diff --git a/trunk/kernel/irq/chip.c b/trunk/kernel/irq/chip.c
@@ -515,9 +515,16 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 	}
 	preflow_handler(desc);
 	handle_irq_event(desc);
-out:
+
+out_eoi:
 	desc->irq_data.chip->irq_eoi(&desc->irq_data);
+out_unlock:
 	raw_spin_unlock(&desc->lock);
+	return;
+out:
+	if (!(desc->irq_data.chip->flags & IRQCHIP_EOI_IF_HANDLED))
+		goto out_eoi;
+	goto out_unlock;
 }
 
 /**