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-rw-r--r--arch/powerpc/include/asm/irq.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
index 67ab5fb7d15..47b7905a636 100644
--- a/arch/powerpc/include/asm/irq.h
+++ b/arch/powerpc/include/asm/irq.h
@@ -142,6 +142,12 @@ extern struct irq_map_entry irq_map[NR_IRQS];
extern irq_hw_number_t virq_to_hw(unsigned int virq);
+/* This will eventually -replace- virq_to_hw if/when we stash the
+ * HW number in the irq_data itself. We use a macro so we can inline
+ * it as irq_data isn't defined yet
+ */
+#define irq_data_to_hw(d) (irq_map[(d)->irq].hwirq)
+
/**
* irq_alloc_host - Allocate a new irq_host data structure
* @of_node: optional device-tree node of the interrupt controller