Index: kernel/arch/sparc64/src/trap/sun4u/interrupt.c
===================================================================
--- kernel/arch/sparc64/src/trap/sun4u/interrupt.c	(revision b2fa1204c76e1eaec329888181d281aac04ed61e)
+++ kernel/arch/sparc64/src/trap/sun4u/interrupt.c	(revision aef669be8dd7a8d097d3e2f786ba26f90cf761fd)
@@ -53,5 +53,5 @@
  * @param istate Ignored.
  */
-void interrupt(int n, istate_t *istate)
+void interrupt(unsigned int n, istate_t *istate)
 {
 	uint64_t status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0);