X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-powerpc%2Firq.h;h=0485c53db2b5dc64273ba5661918710c686a61e6;hb=e8b495fe09bc793ae26774e7b2667f7f658d56e2;hp=05dd5a3eb3aad70f6fcee5db37ef203be69bcb95;hpb=bc06cffdec85d487c77109dffcd2f285bdc502d3;p=linux-2.6

diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index 05dd5a3eb3..0485c53db2 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -223,6 +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.