diff options
| author | Alexander Yurchenko <grange@cvs.openbsd.org> | 2004-11-23 21:18:38 +0000 |
|---|---|---|
| committer | Alexander Yurchenko <grange@cvs.openbsd.org> | 2004-11-23 21:18:38 +0000 |
| commit | dc1613f1f15bef319641dfc903da06dccbf34e41 (patch) | |
| tree | 7a27c51dbb04d2559b749463624c801e68960786 /sys | |
| parent | 2ddb009591c7614d76bc64f22494724fb3c019ea (diff) | |
Let gpio_detach() do something useful.
Tested by reyk@ on gpio@ath.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/gpio/gpio.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sys/dev/gpio/gpio.c b/sys/dev/gpio/gpio.c index 880beba48d2..fc4f6844696 100644 --- a/sys/dev/gpio/gpio.c +++ b/sys/dev/gpio/gpio.c @@ -1,4 +1,4 @@ -/* $OpenBSD: gpio.c,v 1.3 2004/11/22 15:37:42 reyk Exp $ */ +/* $OpenBSD: gpio.c,v 1.4 2004/11/23 21:18:37 grange Exp $ */ /* * Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org> * @@ -25,6 +25,7 @@ #include <sys/device.h> #include <sys/ioctl.h> #include <sys/gpio.h> +#include <sys/vnode.h> #include <dev/gpio/gpiovar.h> @@ -87,8 +88,19 @@ gpio_attach(struct device *parent, struct device *self, void *aux) } int -gpio_detach(struct device *parent, int flags) +gpio_detach(struct device *self, int flags) { + int maj, mn; + + /* Locate the major number */ + for (maj = 0; maj < nchrdev; maj++) + if (cdevsw[maj].d_open == gpioopen) + break; + + /* Nuke the vnodes for any open instances (calls close) */ + mn = self->dv_unit; + vdevgone(maj, mn, mn, VCHR); + return (0); } |