[src/trunk]: src/sys/dev/pci Apply the same change as for if_iwi.c r1.114 here.

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

details:   https://anonhg.NetBSD.org/src/rev/d132792c7758
branches:  trunk
changeset: 1008357:d132792c7758
user:      sevan <sevan%NetBSD.org@localhost>
date:      Fri Mar 20 17:19:25 2020 +0000

description:
Apply the same change as for if_iwi.c r1.114 here.

This driver sleeps during wpi_media_change(), and thus requires an adaptive
mutex for the media lock.

diffstat:

 sys/dev/pci/if_wpi.c    |  10 +++++++---
 sys/dev/pci/if_wpivar.h |   4 +++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diffs (49 lines):

diff -r 05a5589945e9 -r d132792c7758 sys/dev/pci/if_wpi.c
--- a/sys/dev/pci/if_wpi.c      Fri Mar 20 17:07:17 2020 +0000
+++ b/sys/dev/pci/if_wpi.c      Fri Mar 20 17:19:25 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wpi.c,v 1.88 2020/01/30 06:10:26 thorpej Exp $      */
+/*     $NetBSD: if_wpi.c,v 1.89 2020/03/20 17:19:25 sevan Exp $        */
 
 /*-
  * Copyright (c) 2006, 2007
@@ -18,7 +18,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wpi.c,v 1.88 2020/01/30 06:10:26 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wpi.c,v 1.89 2020/03/20 17:19:25 sevan Exp $");
 
 /*
  * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters.
@@ -387,7 +387,11 @@
        /* override state transition machine */
        sc->sc_newstate = ic->ic_newstate;
        ic->ic_newstate = wpi_newstate;
-       ieee80211_media_init(ic, wpi_media_change, ieee80211_media_status);
+
+       /* XXX media locking needs revisiting */
+       mutex_init(&sc->sc_media_mtx, MUTEX_DEFAULT, IPL_SOFTNET);
+       ieee80211_media_init_with_lock(ic,
+           wpi_media_change, ieee80211_media_status, &sc->sc_media_mtx);
 
        sc->amrr.amrr_min_success_threshold =  1;
        sc->amrr.amrr_max_success_threshold = 15;
diff -r 05a5589945e9 -r d132792c7758 sys/dev/pci/if_wpivar.h
--- a/sys/dev/pci/if_wpivar.h   Fri Mar 20 17:07:17 2020 +0000
+++ b/sys/dev/pci/if_wpivar.h   Fri Mar 20 17:19:25 2020 +0000
@@ -1,4 +1,4 @@
-/*  $NetBSD: if_wpivar.h,v 1.22 2018/08/20 04:50:56 riastradh Exp $    */
+/*  $NetBSD: if_wpivar.h,v 1.23 2020/03/20 17:19:25 sevan Exp $    */
 
 /*-
  * Copyright (c) 2006
@@ -172,6 +172,8 @@
 
        struct bpf_if *         sc_drvbpf;
 
+       kmutex_t                sc_media_mtx;   /* XXX */
+
        union {
                struct wpi_rx_radiotap_header th;
                uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];