static void
uhso_free_softc(struct uhso_softc *sc)
{
if (ucom_unref(&sc->sc_super_ucom)) {
mtx_destroy(&sc->sc_mtx);
device_free_softc(sc);
}
}
static void
uhso_free_softc(struct uhso_softc *sc)
{
if (ucom_unref(&sc->sc_super_ucom)) {
free(sc->sc_tty, M_USBDEV);
free(sc->sc_ucom, M_USBDEV);
mtx_destroy(&sc->sc_mtx);
device_free_softc(sc);
}
}
static void
ucom_free(void *xsc)
{
struct ucom_softc *sc = xsc;
if (sc->sc_callback->ucom_free != NULL)
sc->sc_callback->ucom_free(sc);
else
ucom_unref(sc->sc_super);
mtx_lock(&ucom_mtx);
ucom_close_refs--;
mtx_unlock(&ucom_mtx);
}
/* set RTS in async fashion */
if (sc->sc_flag & UCOM_FLAG_RTS_IFLOW)
ucom_rts(sc, 1);
DPRINTF("tp=%p, lost %d "
"chars\n", tp, res.length - cnt);
break;
}
}
}
ttydisc_rint_done(tp);
#endif
}
#if 0 /* XXX */
static void
ucom_free(void *xsc)
{
struct ucom_softc *sc = xsc;
if (sc->sc_callback->ucom_free != NULL)
sc->sc_callback->ucom_free(sc);
else
ucom_unref(sc->sc_super);
lockmgr(&ucom_lock, LK_EXCLUSIVE);
ucom_close_refs--;
lockmgr(&ucom_lock, LK_RELEASE);
}
static void
ucom_detach_tty(struct ucom_super_softc *ssc, struct ucom_softc *sc)
{
struct tty *tp = sc->sc_tty;
DPRINTF("sc = %p, tp = %p\n", sc, sc->sc_tty);
if (sc->sc_flag & UCOM_FLAG_CONSOLE) {
UCOM_MTX_LOCK(ucom_cons_softc);
ucom_close(ucom_cons_softc);
sc->sc_flag &= ~UCOM_FLAG_CONSOLE;
UCOM_MTX_UNLOCK(ucom_cons_softc);
ucom_cons_softc = NULL;
}
/* the config thread has been stopped when we get here */
UCOM_MTX_LOCK(sc);
sc->sc_flag |= UCOM_FLAG_GONE;
sc->sc_flag &= ~(UCOM_FLAG_HL_READY | UCOM_FLAG_LL_READY);
UCOM_MTX_UNLOCK(sc);
if (tp) {
lockmgr(&ucom_lock, LK_EXCLUSIVE);
ucom_close_refs++;
lockmgr(&ucom_lock, LK_RELEASE);
/*
tty_lock(tp);
*/
ucom_close(sc); /* close, if any */
/*tty_rel_gone(tp);
*/
UCOM_MTX_LOCK(sc);
/*
* make sure that read and write transfers are stopped
*/
if (sc->sc_callback->ucom_stop_read) {
(sc->sc_callback->ucom_stop_read) (sc);
}
if (sc->sc_callback->ucom_stop_write) {
(sc->sc_callback->ucom_stop_write) (sc);
}
UCOM_MTX_UNLOCK(sc);
}
ucom_unref(ssc);
}
/*
* The following function will do nothing if the structure pointed to
* by "ssc" and "sc" is zero or has already been detached.
*/
void
ucom_detach(struct ucom_super_softc *ssc, struct ucom_softc *sc)
{
int subunit;
if (!(ssc->sc_flag & UCOM_FLAG_ATTACHED))
return; /* not initialized */
if (ssc->sc_sysctl_ttyname != NULL) {
sysctl_remove_oid(ssc->sc_sysctl_ttyname, 1, 0);
ssc->sc_sysctl_ttyname = NULL;
}
if (ssc->sc_sysctl_ttyports != NULL) {
sysctl_remove_oid(ssc->sc_sysctl_ttyports, 1, 0);
ssc->sc_sysctl_ttyports = NULL;
}
usb_proc_drain(&ssc->sc_tq);
for (subunit = 0; subunit < ssc->sc_subunits; subunit++) {
if (sc[subunit].sc_flag & UCOM_FLAG_ATTACHED) {
ucom_detach_tty(ssc, &sc[subunit]);
/* avoid duplicate detach */
sc[subunit].sc_flag &= ~UCOM_FLAG_ATTACHED;
}
}
usb_proc_free(&ssc->sc_tq);
ucom_unref(ssc);
if (ssc->sc_flag & UCOM_FLAG_WAIT_REFS)
ucom_drain(ssc);
/* make sure we don't detach twice */
ssc->sc_flag &= ~UCOM_FLAG_ATTACHED;
}