s390/qdio: reduce log level for EQBS partial

Partial EQBS completion is no significant event, and the WARN ends up
spamming the debug logs for no good reason.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

drivers/s390/cio/qdio_main.c

@@ -131,7 +131,7 @@ static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state,
 	case 96:
 		/* not all buffers processed */
 		qperf_inc(q, eqbs_partial);
-		DBF_DEV_EVENT(DBF_WARN, q->irq_ptr, "EQBS part:%02x",
+		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "EQBS part:%02x",
 			tmp_count);
 		return count - tmp_count;
 	case 97: