1 files changed, 12 insertions, 0 deletions

diff --git a/sys/dev/mpt/mpt_debug.c b/sys/dev/mpt/mpt_debug.c
index 8027295862ce8..7654fee00c66f 100644
--- a/sys/dev/mpt/mpt_debug.c
+++ b/sys/dev/mpt/mpt_debug.c
@@ -31,6 +31,7 @@
  */
 
 #include <dev/mpt/mpt_freebsd.h>
+#include <machine/stdarg.h>	/* for use by mpt_prt below */
 
 struct Error_Map {
 	int 	 Error_Code;
@@ -592,3 +593,14 @@ mpt_dump_sgl(SGE_IO_UNION *su)
 		iCount -= 1;
 	} while ((flags & MPI_SGE_FLAGS_END_OF_LIST) == 0 && iCount != 0);
 }
+
+void
+mpt_prt(mpt_softc_t *mpt, const char *fmt, ...)
+{
+	va_list ap;
+	printf("%s: ", device_get_nameunit(mpt->dev));
+	va_start(ap, fmt);
+	vprintf(fmt, ap);
+	va_end(ap);
+	printf("\n");
+}