diff options
| author | Warner Losh <imp@FreeBSD.org> | 2021-11-30 22:03:26 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2021-11-30 22:18:01 +0000 |
| commit | 1c7d15b030718d9d8cc70916fe3216a19f30896b (patch) | |
| tree | c9b2236cd5418385468559d9c2d39f372cac0637 /sys/dev/gpio | |
| parent | 25c49c426c6b6067f7374fae39fb38333cd11e0c (diff) | |
Diffstat (limited to 'sys/dev/gpio')
| -rw-r--r-- | sys/dev/gpio/gpiopps.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/sys/dev/gpio/gpiopps.c b/sys/dev/gpio/gpiopps.c index 4700acf19bcd..741bfa4498a6 100644 --- a/sys/dev/gpio/gpiopps.c +++ b/sys/dev/gpio/gpiopps.c @@ -73,9 +73,7 @@ gpiopps_open(struct cdev *dev, int flags, int fmt, struct thread *td) /* We can't be unloaded while open, so mark ourselves BUSY. */ mtx_lock(&sc->pps_mtx); - if (device_get_state(sc->dev) < DS_BUSY) { - device_busy(sc->dev); - } + device_busy(sc->dev); mtx_unlock(&sc->pps_mtx); return 0; @@ -86,10 +84,6 @@ gpiopps_close(struct cdev *dev, int flags, int fmt, struct thread *td) { struct pps_softc *sc = dev->si_drv1; - /* - * Un-busy on last close. We rely on the vfs counting stuff to only call - * this routine on last-close, so we don't need any open-count logic. - */ mtx_lock(&sc->pps_mtx); device_unbusy(sc->dev); mtx_unlock(&sc->pps_mtx); @@ -113,6 +107,7 @@ gpiopps_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flags, struct thre static struct cdevsw pps_cdevsw = { .d_version = D_VERSION, + .d_flags = D_TRACKCLOSE, .d_open = gpiopps_open, .d_close = gpiopps_close, .d_ioctl = gpiopps_ioctl, |