Merge branch 'dde' into upstream-merged

1 files changed, 46 insertions, 0 deletions

diff --git a/libdde_linux26/contrib/include/linux/irqnr.h b/libdde_linux26/contrib/include/linux/irqnr.h
new file mode 100644
index 00000000..86af92e9
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/irqnr.h
@@ -0,0 +1,46 @@
+#ifndef _LINUX_IRQNR_H
+#define _LINUX_IRQNR_H
+
+/*
+ * Generic irq_desc iterators:
+ */
+#ifdef __KERNEL__
+
+#ifndef CONFIG_GENERIC_HARDIRQS
+#include <asm/irq.h>
+
+/*
+ * Wrappers for non-genirq architectures:
+ */
+#define nr_irqs			NR_IRQS
+#define irq_to_desc(irq)	(&irq_desc[irq])
+
+# define for_each_irq_desc(irq, desc)		\
+	for (irq = 0; irq < nr_irqs; irq++)
+
+# define for_each_irq_desc_reverse(irq, desc)                          \
+	for (irq = nr_irqs - 1; irq >= 0; irq--)
+#else /* CONFIG_GENERIC_HARDIRQS */
+
+extern int nr_irqs;
+extern struct irq_desc *irq_to_desc(unsigned int 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)
+
+
+# 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++)
+
+#endif /* __KERNEL__ */
+
+#endif