[src/trunk]: src/sys/dev/usb ucycom(4): Convert to ttylock/ttyunlock.

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

details:   https://anonhg.NetBSD.org/src/rev/21cdf33a2e47
branches:  trunk
changeset: 372098:21cdf33a2e47
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Oct 26 23:50:28 2022 +0000

description:
ucycom(4): Convert to ttylock/ttyunlock.

diffstat:

 sys/dev/usb/ucycom.c |  10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diffs (41 lines):

diff -r 2783d6215f63 -r 21cdf33a2e47 sys/dev/usb/ucycom.c
--- a/sys/dev/usb/ucycom.c      Wed Oct 26 23:48:43 2022 +0000
+++ b/sys/dev/usb/ucycom.c      Wed Oct 26 23:50:28 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ucycom.c,v 1.55 2022/03/28 12:44:17 riastradh Exp $    */
+/*     $NetBSD: ucycom.c,v 1.56 2022/10/26 23:50:28 riastradh Exp $    */
 
 /*
  * Copyright (c) 2005 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ucycom.c,v 1.55 2022/03/28 12:44:17 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ucycom.c,v 1.56 2022/10/26 23:50:28 riastradh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -272,11 +272,11 @@
 
        s = splusb();
        if (tp != NULL) {
-               mutex_spin_enter(&tty_lock);
+               ttylock(tp);
                CLR(tp->t_state, TS_CARR_ON);
                CLR(tp->t_cflag, CLOCAL | MDMBUF);
                ttyflush(tp, FREAD|FWRITE);
-               mutex_spin_exit(&tty_lock);
+               ttyunlock(tp);
        }
        /* Wait for processes to go away. */
        usb_detach_waitold(sc->sc_dev);
@@ -490,7 +490,7 @@
        u_char *data;
        int cnt, len, s;
 
-       KASSERT(mutex_owned(&tty_lock));
+       KASSERT(ttylocked(tp));
 
        if (sc->sc_dying)
                return;