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-rw-r--r--include/asm-powerpc/irq.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index 4734cc178db5..0485c53db2b5 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -138,10 +138,7 @@ struct irq_map_entry {
extern struct irq_map_entry irq_map[NR_IRQS];
-static inline irq_hw_number_t virq_to_hw(unsigned int virq)
-{
- return irq_map[virq].hwirq;
-}
+extern irq_hw_number_t virq_to_hw(unsigned int virq);
/**
* irq_alloc_host - Allocate a new irq_host data structure
@@ -226,6 +223,15 @@ extern void irq_dispose_mapping(unsigned int virq);
extern unsigned int irq_find_mapping(struct irq_host *host,
irq_hw_number_t hwirq);
+/**
+ * irq_create_direct_mapping - Allocate a virq for direct mapping
+ * @host: host to allocate the virq for or NULL for default host
+ *
+ * This routine is used for irq controllers which can choose the hardware
+ * interrupt numbers they generate. In such a case it's simplest to use
+ * the linux virq as the hardware interrupt number.
+ */
+extern unsigned int irq_create_direct_mapping(struct irq_host *host);
/**
* irq_radix_revmap - Find a linux virq from a hw irq number.