diff options
Diffstat (limited to 'sys/dev/iicbus/gpio/pcf8574.c')
| -rw-r--r-- | sys/dev/iicbus/gpio/pcf8574.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/dev/iicbus/gpio/pcf8574.c b/sys/dev/iicbus/gpio/pcf8574.c index ab6e2bc07d1f..bf60dec67557 100644 --- a/sys/dev/iicbus/gpio/pcf8574.c +++ b/sys/dev/iicbus/gpio/pcf8574.c @@ -142,12 +142,13 @@ pcf8574_attach(device_t dev) (void)pcf8574_write(sc, 0xff); sx_init(&sc->lock, "pcf8574"); - sc->busdev = gpiobus_attach_bus(dev); + sc->busdev = gpiobus_add_bus(dev); if (sc->busdev == NULL) { device_printf(dev, "Could not create busdev child\n"); sx_destroy(&sc->lock); return (ENXIO); } + bus_attach_children(dev); return (0); } @@ -158,9 +159,7 @@ pcf8574_detach(device_t dev) sc = device_get_softc(dev); - if (sc->busdev != NULL) - gpiobus_detach_bus(sc->busdev); - + gpiobus_detach_bus(dev); sx_destroy(&sc->lock); return (0); } |