Merge branch 'topic/asoc' into for-linus

[linux-2.6-omap-h63xx.git] / include / linux / irqnr.h

diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 95d2b74641f5dbe2ecb90bb68d430ab600d61b74..5504a5c97836d9fb4f1fb191cd6a11cdc131c22e 100644 (file)
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -15,20 +15,23 @@
 
 # define for_each_irq_desc_reverse(irq, desc)                          \
        for (irq = nr_irqs - 1; irq >= 0; irq--)
-#else
+#else /* CONFIG_GENERIC_HARDIRQS */
 
 extern int nr_irqs;
+extern struct irq_desc *irq_to_desc(unsigned int irq);
 
-#ifndef CONFIG_SPARSE_IRQ
+# define for_each_irq_desc(irq, desc)                                  \
+       for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs;           \
+            irq++, desc = irq_to_desc(irq))                            \
+               if (desc)
 
-struct irq_desc;
-# define for_each_irq_desc(irq, desc)          \
-       for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
-# define for_each_irq_desc_reverse(irq, desc)                          \
-       for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);        \
-           irq >= 0; irq--, desc--)
-#endif
-#endif
+
+# define for_each_irq_desc_reverse(irq, desc)                          \
+       for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0;      \
+            irq--, desc = irq_to_desc(irq))                            \
+               if (desc)
+
+#endif /* CONFIG_GENERIC_HARDIRQS */
 
 #define for_each_irq_nr(irq)                   \
        for (irq = 0; irq < nr_irqs; irq++)