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[src/trunk]: src/sys/dev/i2c Detach led's and sysmon in our detach routine.



details:   https://anonhg.NetBSD.org/src/rev/c9f6bddf5ce8
branches:  trunk
changeset: 977715:c9f6bddf5ce8
user:      jdc <jdc%NetBSD.org@localhost>
date:      Sat Oct 31 14:39:31 2020 +0000

description:
Detach led's and sysmon in our detach routine.

diffstat:

 sys/dev/i2c/pcf8574.c |  15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diffs (43 lines):

diff -r 004ba10574a7 -r c9f6bddf5ce8 sys/dev/i2c/pcf8574.c
--- a/sys/dev/i2c/pcf8574.c     Sat Oct 31 14:38:54 2020 +0000
+++ b/sys/dev/i2c/pcf8574.c     Sat Oct 31 14:39:31 2020 +0000
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pcf8574.c,v 1.1 2020/10/29 06:55:51 jdc Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pcf8574.c,v 1.2 2020/10/31 14:39:31 jdc Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -53,6 +53,7 @@
 
 struct pcf8574_led {
        void *cookie;
+       struct led_device *led;
        uint8_t mask, v_on, v_off;
 };
 
@@ -215,13 +216,19 @@
 static int
 pcf8574_detach(device_t self, int flags)
 {
+       struct pcf8574_softc *sc = device_private(self);
+       int i;
+
+       if (sc->sc_sme != NULL)
+               sysmon_envsys_unregister(sc->sc_sme);
+
+       for (i = 0; i < sc->sc_nleds; i++)
+               led_detach(sc->sc_leds[i].led);
+
 #ifdef PCF8574_DEBUG
-       struct pcf8574_softc *sc = device_private(self);
-
        callout_halt(&sc->sc_timer, NULL);
        callout_destroy(&sc->sc_timer);
 #endif
-
        return 0;
 }
 



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