/*------------------------------------------------------------------------*
 *	usb_detach
 *------------------------------------------------------------------------*/
static int
usb_detach(device_t dev)
{
	struct usb_bus *bus = device_get_softc(dev);

	DPRINTF("\n");

	if (bus == NULL) {
		/* was never setup properly */
		return (0);
	}
	/* Stop power watchdog */
	usb_callout_drain(&bus->power_wdog);

#if USB_HAVE_ROOT_MOUNT_HOLD
	/* Let the USB explore process detach all devices. */
	usb_root_mount_rel(bus);
#endif

	USB_BUS_LOCK(bus);

	/* Queue detach job */
	usb_proc_msignal(USB_BUS_EXPLORE_PROC(bus),
	    &bus->detach_msg[0], &bus->detach_msg[1]);

	/* Wait for detach to complete */
	usb_proc_mwait(USB_BUS_EXPLORE_PROC(bus),
	    &bus->detach_msg[0], &bus->detach_msg[1]);

#if USB_HAVE_UGEN
	/* Wait for cleanup to complete */
	usb_proc_mwait(USB_BUS_EXPLORE_PROC(bus),
	    &bus->cleanup_msg[0], &bus->cleanup_msg[1]);
#endif
	USB_BUS_UNLOCK(bus);

#if USB_HAVE_PER_BUS_PROCESS
	/* Get rid of USB callback processes */

	usb_proc_free(USB_BUS_GIANT_PROC(bus));
	usb_proc_free(USB_BUS_NON_GIANT_ISOC_PROC(bus));
	usb_proc_free(USB_BUS_NON_GIANT_BULK_PROC(bus));

	/* Get rid of USB explore process */

	usb_proc_free(USB_BUS_EXPLORE_PROC(bus));

	/* Get rid of control transfer process */

	usb_proc_free(USB_BUS_CONTROL_XFER_PROC(bus));
#endif

#if USB_HAVE_PF
	usbpf_detach(bus);
#endif
	return (0);
}
示例#2
0
static int
g_modem_detach(device_t dev)
{
	struct g_modem_softc *sc = device_get_softc(dev);

	DPRINTF("\n");

	lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
	usb_callout_stop(&sc->sc_callout);
	usb_callout_stop(&sc->sc_watchdog);
	lockmgr(&sc->sc_lock, LK_RELEASE);

	usbd_transfer_unsetup(sc->sc_xfer, G_MODEM_N_TRANSFER);

	usb_callout_drain(&sc->sc_callout);
	usb_callout_drain(&sc->sc_watchdog);

	lockuninit(&sc->sc_lock);

	return (0);
}
示例#3
0
文件: g_audio.c 项目: 2asoft/freebsd
static int
g_audio_detach(device_t dev)
{
	struct g_audio_softc *sc = device_get_softc(dev);

	DPRINTF("\n");

	mtx_lock(&sc->sc_mtx);
	usb_callout_stop(&sc->sc_callout);
	usb_callout_stop(&sc->sc_watchdog);
	mtx_unlock(&sc->sc_mtx);

	usbd_transfer_unsetup(sc->sc_xfer, G_AUDIO_N_TRANSFER);

	usb_callout_drain(&sc->sc_callout);
	usb_callout_drain(&sc->sc_watchdog);

	mtx_destroy(&sc->sc_mtx);

	return (0);
}
示例#4
0
/*------------------------------------------------------------------------*
 *	usb_detach
 *------------------------------------------------------------------------*/
static int
usb_detach(device_t dev)
{
	struct usb_bus *bus = device_get_softc(dev);

	DPRINTF("\n");

	if (bus == NULL) {
		/* was never setup properly */
		return (0);
	}
	/* Stop power watchdog */
	usb_callout_drain(&bus->power_wdog);

	/* Let the USB explore process detach all devices. */
	usb_root_mount_rel(bus);

	USB_BUS_LOCK(bus);

	/* Queue detach job */
	usb_proc_msignal(&bus->explore_proc,
	    &bus->detach_msg[0], &bus->detach_msg[1]);

	/* Wait for detach to complete */
	usb_proc_mwait(&bus->explore_proc,
	    &bus->detach_msg[0], &bus->detach_msg[1]);

#if USB_HAVE_UGEN
	/* Wait for cleanup to complete */
	usb_proc_mwait(&bus->explore_proc,
	    &bus->cleanup_msg[0], &bus->cleanup_msg[1]);
#endif
	USB_BUS_UNLOCK(bus);

	/* Get rid of USB callback processes */

	usb_proc_free(&bus->giant_callback_proc);
	usb_proc_free(&bus->non_giant_callback_proc);

	/* Get rid of USB explore process */

	usb_proc_free(&bus->explore_proc);

	/* Get rid of control transfer process */

	usb_proc_free(&bus->control_xfer_proc);

#if USB_HAVE_PF
	usbpf_detach(bus);
#endif
	return (0);
}
void
uether_ifdetach(struct usb_ether *ue)
{
	struct ifnet *ifp;

	/* wait for any post attach or other command to complete */
	usb_proc_drain(&ue->ue_tq);

	/* read "ifnet" pointer after taskqueue drain */
	ifp = ue->ue_ifp;

	if (ifp != NULL) {

		/* we are not running any more */
		UE_LOCK(ue);
		ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
		UE_UNLOCK(ue);

		/* drain any callouts */
		usb_callout_drain(&ue->ue_watchdog);

		/* detach miibus */
		if (ue->ue_miibus != NULL) {
			mtx_lock(&Giant);	/* device_xxx() depends on this */
			device_delete_child(ue->ue_dev, ue->ue_miibus);
			mtx_unlock(&Giant);
		}

		/* detach ethernet */
		ether_ifdetach(ifp);

		/* free interface instance */
		if_free(ifp);

		/* free sysctl */
		sysctl_ctx_free(&ue->ue_sysctl_ctx);

		/* free unit */
		free_unr(ueunit, ue->ue_unit);
	}

	/* free taskqueue, if any */
	usb_proc_free(&ue->ue_tq);
}
示例#6
0
static void
usie_if_stop(struct usie_softc *sc)
{
	usb_callout_drain(&sc->sc_if_sync_ch);

	mtx_lock(&sc->sc_mtx);

	/* usie_cns_req() clears IFF_* flags */
	usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE);

	usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]);
	usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]);
	usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]);

	/* shutdown device */
	usie_if_cmd(sc, USIE_HIP_DOWN);

	mtx_unlock(&sc->sc_mtx);
}
示例#7
0
static int
xhci_pci_detach(device_t self)
{
	struct xhci_softc *sc = device_get_softc(self);
	device_t bdev;

	if (sc->sc_bus.bdev != NULL) {
		bdev = sc->sc_bus.bdev;
		device_detach(bdev);
		device_delete_child(self, bdev);
	}
	/* during module unload there are lots of children leftover */
	device_delete_children(self);

	if (sc->sc_io_res) {
		usb_callout_drain(&sc->sc_callout);
		xhci_halt_controller(sc);
	}

	pci_disable_busmaster(self);

	if (sc->sc_irq_res && sc->sc_intr_hdl) {
		bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
		sc->sc_intr_hdl = NULL;
	}
	if (sc->sc_irq_res) {
		if (sc->sc_irq_rid == 1)
			pci_release_msi(self);
		bus_release_resource(self, SYS_RES_IRQ, sc->sc_irq_rid,
		    sc->sc_irq_res);
		sc->sc_irq_res = NULL;
	}
	if (sc->sc_io_res) {
		bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM,
		    sc->sc_io_res);
		sc->sc_io_res = NULL;
	}

	xhci_uninit(sc);

	return (0);
}
示例#8
0
static int
tegra_xhci_detach(device_t dev)
{
	struct tegra_xhci_softc *sc;
	struct xhci_softc *xsc;

	sc = device_get_softc(dev);
	xsc = &sc->xhci_softc;

	/* during module unload there are lots of children leftover */
	device_delete_children(dev);
	if (sc->xhci_inited) {
		usb_callout_drain(&xsc->sc_callout);
		xhci_halt_controller(xsc);
	}

	if (xsc->sc_irq_res && xsc->sc_intr_hdl) {
		bus_teardown_intr(dev, xsc->sc_irq_res, xsc->sc_intr_hdl);
		xsc->sc_intr_hdl = NULL;
	}
	if (xsc->sc_irq_res) {
		bus_release_resource(dev, SYS_RES_IRQ,
		    rman_get_rid(xsc->sc_irq_res), xsc->sc_irq_res);
		xsc->sc_irq_res = NULL;
	}
	if (xsc->sc_io_res != NULL) {
		bus_release_resource(dev, SYS_RES_MEMORY,
		    rman_get_rid(xsc->sc_io_res), xsc->sc_io_res);
		xsc->sc_io_res = NULL;
	}
	if (sc->xhci_inited)
		xhci_uninit(xsc);
	if (sc->irq_hdl_mbox != NULL)
		bus_teardown_intr(dev, sc->irq_res_mbox, sc->irq_hdl_mbox);
	if (sc->fw_vaddr != 0)
		kmem_free(kernel_arena, sc->fw_vaddr, sc->fw_size);
	LOCK_DESTROY(sc);
	return (0);
}
示例#9
0
void
uether_ifdetach(struct usb_ether *ue)
{
	struct ifnet *ifp;

	/* wait for any post attach or other command to complete */
	usb_proc_drain(&ue->ue_tq);

	/* read "ifnet" pointer after taskqueue drain */
	ifp = uether_getifp(ue);

	if (ifp != NULL) {

		/* we are not running any more */
		UE_LOCK(ue);
		ifp->if_flags &= ~IFF_RUNNING;
		UE_UNLOCK(ue);

		/* drain any callouts */
		usb_callout_drain(&ue->ue_watchdog);

		/* detach miibus */
		if (ue->ue_miibus != NULL) {
			device_delete_child(ue->ue_dev, ue->ue_miibus);
		}

		/* detach ethernet */
		ether_ifdetach(ifp);

		/* free sysctl */
		sysctl_ctx_free(&ue->ue_sysctl_ctx);

		/* free unit */
		devfs_clone_bitmap_put(&DEVFS_CLONE_BITMAP(ue), ue->ue_unit);
	}

	/* free taskqueue, if any */
	usb_proc_free(&ue->ue_tq);
}