[src/trunk]: src/sys/arch/macppc/dev make sure we call sysmon_pswitch_event()...

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

details:   https://anonhg.NetBSD.org/src/rev/cd1f6556bd5c
branches:  trunk
changeset: 815645:cd1f6556bd5c
user:      macallan <macallan%NetBSD.org@localhost>
date:      Tue May 31 02:17:18 2016 +0000

description:
make sure we call sysmon_pswitch_event() from thread context

diffstat:

 sys/arch/macppc/dev/pmu.c |  18 +++++++++++++-----
 1 files changed, 13 insertions(+), 5 deletions(-)

diffs (60 lines):

diff -r d0cc913b60ba -r cd1f6556bd5c sys/arch/macppc/dev/pmu.c
--- a/sys/arch/macppc/dev/pmu.c Mon May 30 22:58:52 2016 +0000
+++ b/sys/arch/macppc/dev/pmu.c Tue May 31 02:17:18 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmu.c,v 1.24 2016/02/14 19:54:20 chs Exp $ */
+/*     $NetBSD: pmu.c,v 1.25 2016/05/31 02:17:18 macallan Exp $ */
 
 /*-
  * Copyright (c) 2006 Michael Lorenz
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmu.c,v 1.24 2016/02/14 19:54:20 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmu.c,v 1.25 2016/05/31 02:17:18 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -90,6 +90,7 @@
        int sc_brightness, sc_brightness_wanted;
        int sc_volume, sc_volume_wanted;
        int sc_lid_closed;
+       int sc_pswitch_pending;
        /* deferred processing */
        lwp_t *sc_thread;
        /* signalling the event thread */
@@ -285,6 +286,7 @@
        sc->sc_flags = 0;
        sc->sc_callback = NULL;
        sc->sc_lid_closed = 0;
+       sc->sc_pswitch_pending = 0;
 
        if (bus_space_map(sc->sc_memt, ca->ca_reg[0] + ca->ca_baseaddr,
            ca->ca_reg[1], 0, &sc->sc_memh) != 0) {
@@ -658,9 +660,8 @@
                closed = (resp[2] & PMU_ENV_LID_CLOSED) != 0;
                if (closed != sc->sc_lid_closed) {
                        sc->sc_lid_closed = closed;
-                       sysmon_pswitch_event(&sc->sc_lidswitch, 
-                           closed ? PSWITCH_EVENT_PRESSED : 
-                           PSWITCH_EVENT_RELEASED);
+                       sc->sc_pswitch_pending = 1;
+                       wakeup(&sc->sc_event);
                }
                goto done;
        }
@@ -1023,6 +1024,13 @@
                        sc->sc_volume = sc->sc_volume_wanted;
                }
 
+               if (sc->sc_pswitch_pending) {
+                       sc->sc_pswitch_pending = 1;
+                       sysmon_pswitch_event(&sc->sc_lidswitch, 
+                           sc->sc_lid_closed ? PSWITCH_EVENT_PRESSED : 
+                           PSWITCH_EVENT_RELEASED);
+               }
+
                if (sc->sc_callback != NULL)
                        sc->sc_callback(sc->sc_cb_cookie);
        }