From f9e908dcf291dc749ab49fb466ccbe26f2084096 Mon Sep 17 00:00:00 2001
From: Matt Jacob <mjacob@FreeBSD.org>
Date: Mon, 20 Dec 1999 01:35:04 +0000
Subject: [PATCH] Clean up lun width determination based upon f/w revisions for
 the parallel SCSI cards (4.55..4.65 :: 8.55..8.65).

---
 sys/dev/isp/isp_freebsd.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/sys/dev/isp/isp_freebsd.c b/sys/dev/isp/isp_freebsd.c
index f147ec3f63c6..ba45c9e50985 100644
--- a/sys/dev/isp/isp_freebsd.c
+++ b/sys/dev/isp/isp_freebsd.c
@@ -157,14 +157,17 @@ isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg)
 		if (IS_SCSI(isp)) {
 			u_int16_t oflags, nflags;
 			sdparam *sdp = isp->isp_param;
-			int s, tgt = xpt_path_target_id(path);
+			int s, rvf, tgt;
 
+			tgt = xpt_path_target_id(path);
+			rvf = ISP_FW_REVX(isp->isp_fwrev);
 			s = splcam();
 			sdp += cam_sim_bus(sim);
 			isp->isp_update |= (1 << cam_sim_bus(sim));
 			nflags = DPARM_SAFE_DFLT;
-			if (ISP_FW_REVX(isp->isp_fwrev) >=
-			    ISP_FW_REV(7, 55, 0)) {
+			if (rvf >= ISP_FW_REV(7, 55, 0) ||
+			   (ISP_FW_REV(4, 55, 0) <= rvf &&
+			   (rvf < ISP_FW_REV(5, 0, 0)))) {
 				nflags |= DPARM_NARROW | DPARM_ASYNC;
 			}
 			oflags = sdp->isp_devparam[tgt].dev_flags;