[src/trunk]: src/sys/dev/usb usbnet(9): Call mii_down once we've finished wit...

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

details:   https://anonhg.NetBSD.org/src/rev/ed84469aea82
branches:  trunk
changeset: 369503:ed84469aea82
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Aug 20 14:08:27 2022 +0000

description:
usbnet(9): Call mii_down once we've finished with mii_tick.

diffstat:

 sys/dev/usb/usbnet.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (40 lines):

diff -r 135133e7434e -r ed84469aea82 sys/dev/usb/usbnet.c
--- a/sys/dev/usb/usbnet.c      Sat Aug 20 14:08:17 2022 +0000
+++ b/sys/dev/usb/usbnet.c      Sat Aug 20 14:08:27 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: usbnet.c,v 1.105 2022/08/20 14:08:17 riastradh Exp $   */
+/*     $NetBSD: usbnet.c,v 1.106 2022/08/20 14:08:27 riastradh Exp $   */
 
 /*
  * Copyright (c) 2019 Matthew R. Green
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.105 2022/08/20 14:08:17 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.106 2022/08/20 14:08:27 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -1082,6 +1082,7 @@
 usbnet_stop(struct usbnet *un, struct ifnet *ifp, int disable)
 {
        struct usbnet_private * const unp = un->un_pri;
+       struct mii_data * const mii = usbnet_mii(un);
 
        USBNETHIST_FUNC(); USBNETHIST_CALLED();
 
@@ -1125,6 +1126,13 @@
        usb_rem_task_wait(un->un_udev, &unp->unp_ticktask, USB_TASKQ_DRIVER,
            &unp->unp_core_lock);
 
+       /*
+        * Now that we have stopped calling mii_tick, bring the MII
+        * state machine down.
+        */
+       if (mii)
+               mii_down(mii);
+
        /* Stop transfers. */
        usbnet_ep_stop_pipes(un);