[src/trunk]: src/sys/dev/virtio viocon(4): Fix tty device number.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2c379ace18c2
branches:  trunk
changeset: 368930:2c379ace18c2
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Aug 13 16:52:29 2022 +0000

description:
viocon(4): Fix tty device number.

diffstat:

 sys/dev/virtio/viocon.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r 8958c6e2fe08 -r 2c379ace18c2 sys/dev/virtio/viocon.c
--- a/sys/dev/virtio/viocon.c   Sat Aug 13 16:44:11 2022 +0000
+++ b/sys/dev/virtio/viocon.c   Sat Aug 13 16:52:29 2022 +0000
@@ -18,7 +18,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: viocon.c,v 1.1 2022/08/12 11:15:42 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: viocon.c,v 1.2 2022/08/13 16:52:29 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -93,6 +93,8 @@
 
 #define        BUFSIZE         128
 
+#define        VIOCONDEV(u,p)  makedev(cdevsw_lookup_major(&viocon_cdevsw),          \
+                           ((u) << 4) | (p))
 #define VIOCONUNIT(x)  (minor(x) >> 4)
 #define VIOCONPORT(x)  (minor(x) & 0x0f)
 
@@ -307,7 +309,7 @@
        tp->t_oproc = vioconstart;
        tp->t_param = vioconparam;
        tp->t_hwiflow = vioconhwiflow;
-       tp->t_dev = (device_unit(sc->sc_dev) << 4) | portidx;
+       tp->t_dev = VIOCONDEV(device_unit(sc->sc_dev), portidx);
        vp->vp_tty = tp;
        DPRINTF("%s: tty: %p\n", __func__, tp);