[src/trunk]: src/sys/dev/usb Use callout_halt and usb_rem_task_wait in axe(4).

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

details:   https://anonhg.NetBSD.org/src/rev/ee1a2e0aeb3b
branches:  trunk
changeset: 363464:ee1a2e0aeb3b
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Jul 29 02:00:27 2018 +0000

description:
Use callout_halt and usb_rem_task_wait in axe(4).

diffstat:

 sys/dev/usb/if_axe.c |  11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)

diffs (32 lines):

diff -r c76fbe5dbc17 -r ee1a2e0aeb3b sys/dev/usb/if_axe.c
--- a/sys/dev/usb/if_axe.c      Sun Jul 29 02:00:17 2018 +0000
+++ b/sys/dev/usb/if_axe.c      Sun Jul 29 02:00:27 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_axe.c,v 1.90 2018/06/26 06:48:02 msaitoh Exp $      */
+/*     $NetBSD: if_axe.c,v 1.91 2018/07/29 02:00:27 riastradh Exp $    */
 /*     $OpenBSD: if_axe.c,v 1.137 2016/04/13 11:03:37 mpi Exp $ */
 
 /*
@@ -87,7 +87,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_axe.c,v 1.90 2018/06/26 06:48:02 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_axe.c,v 1.91 2018/07/29 02:00:27 riastradh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1111,11 +1111,8 @@
        if (sc->axe_ep[AXE_ENDPT_INTR] != NULL)
                usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]);
 
-       /*
-        * Remove any pending tasks.  They cannot be executing because they run
-        * in the same thread as detach.
-        */
-       usb_rem_task(sc->axe_udev, &sc->axe_tick_task);
+       callout_halt(&sc->axe_stat_ch, NULL);
+       usb_rem_task_wait(sc->axe_udev, &sc->axe_tick_task, USB_TASKQ_DRIVER);
 
        s = splusb();