Detach led's and sysmon in our detach routine.

This commit is contained in:
jdc 2020-10-31 14:39:31 +00:00
parent 7140a529be
commit 5f47dddb1a
1 changed files with 10 additions and 3 deletions

View File

@ -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 $");
#include <sys/param.h>
#include <sys/systm.h>
@ -53,6 +53,7 @@ __KERNEL_RCSID(0, "$NetBSD: pcf8574.c,v 1.1 2020/10/29 06:55:51 jdc Exp $");
struct pcf8574_led {
void *cookie;
struct led_device *led;
uint8_t mask, v_on, v_off;
};
@ -215,13 +216,19 @@ pcf8574_attach(device_t parent, device_t self, void *aux)
static int
pcf8574_detach(device_t self, int flags)
{
#ifdef PCF8574_DEBUG
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
callout_halt(&sc->sc_timer, NULL);
callout_destroy(&sc->sc_timer);
#endif
return 0;
}