int
ata_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
device_t *children;
int nchildren, i;
/* check that we have a valid channel to detach */
if (!ch->r_irq)
return ENXIO;
/* grap the channel lock so no new requests gets launched */
spin_lock(&ch->state_mtx);
ch->state |= ATA_STALL_QUEUE;
spin_unlock(&ch->state_mtx);
/* detach & delete all children */
if (!device_get_children(dev, &children, &nchildren)) {
for (i = 0; i < nchildren; i++)
if (children[i])
device_delete_child(dev, children[i]);
kfree(children, M_TEMP);
}
/* release resources */
bus_teardown_intr(dev, ch->r_irq, ch->ih);
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
ch->r_irq = NULL;
spin_uninit(&ch->state_mtx);
spin_uninit(&ch->queue_mtx);
return 0;
}
void drm_dma_takedown(struct drm_device *dev)
{
drm_device_dma_t *dma = dev->dma;
int i, j;
if (dma == NULL)
return;
/* Clear dma buffers */
for (i = 0; i <= DRM_MAX_ORDER; i++) {
if (dma->bufs[i].seg_count) {
DRM_DEBUG("order %d: buf_count = %d,"
" seg_count = %d\n", i, dma->bufs[i].buf_count,
dma->bufs[i].seg_count);
for (j = 0; j < dma->bufs[i].seg_count; j++) {
drm_pci_free(dev, dma->bufs[i].seglist[j]);
}
drm_free(dma->bufs[i].seglist, M_DRM);
}
if (dma->bufs[i].buf_count) {
for (j = 0; j < dma->bufs[i].buf_count; j++) {
drm_free(dma->bufs[i].buflist[j].dev_private,
M_DRM);
}
drm_free(dma->bufs[i].buflist, M_DRM);
}
}
drm_free(dma->buflist, M_DRM);
drm_free(dma->pagelist, M_DRM);
drm_free(dev->dma, M_DRM);
dev->dma = NULL;
spin_uninit(&dev->dma_lock);
}
void
AcpiOsDeleteLock (ACPI_SPINLOCK Spin)
{
if (Spin == NULL)
return;
spin_uninit(&Spin->lock);
kfree(Spin, M_ACPISEM);
}
static int
ata_usbchannel_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
device_t *children;
int nchildren, i;
/* detach & delete all children */
if (!device_get_children(dev, &children, &nchildren)) {
for (i = 0; i < nchildren; i++)
if (children[i])
device_delete_child(dev, children[i]);
kfree(children, M_TEMP);
}
spin_uninit(&ch->state_mtx);
spin_uninit(&ch->queue_mtx);
return 0;
}
/*
* Requires that the caller is the exclusive owner of this lock.
*/
void
lockuninit(struct lock *l)
{
/*
* At this point we should have removed all the references to this lock
* so there can't be anyone waiting on it.
*/
KKASSERT(l->lk_waitcount == 0);
spin_uninit(&l->lk_spinlock);
}
ACPI_STATUS
AcpiOsDeleteSemaphore(ACPI_HANDLE Handle)
{
#ifndef ACPI_NO_SEMAPHORES
struct acpi_semaphore *as = (struct acpi_semaphore *)Handle;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "destroyed semaphore %p\n", as));
spin_uninit(&as->as_spin);
kfree(as, M_ACPISEM);
#endif /* !ACPI_NO_SEMAPHORES */
return_ACPI_STATUS (AE_OK);
}
static int
atausb_detach(device_t dev)
{
struct atausb_softc *sc = device_get_softc(dev);
usbd_device_handle udev;
device_t *children;
int nchildren, i;
/* signal that device is going away */
sc->state = ATAUSB_S_DETACH;
/* abort all the pipes in case there are active transfers */
usbd_interface2device_handle(sc->iface, &udev);
usbd_abort_pipe(udev->default_pipe);
if (sc->bulkout_pipe)
usbd_abort_pipe(sc->bulkout_pipe);
if (sc->bulkin_pipe)
usbd_abort_pipe(sc->bulkin_pipe);
if (sc->bulkirq_pipe)
usbd_abort_pipe(sc->bulkirq_pipe);
/* detach & delete all children */
if (!device_get_children(dev, &children, &nchildren)) {
for (i = 0; i < nchildren; i++)
device_delete_child(dev, children[i]);
kfree(children, M_TEMP);
}
/* free the transfers */
for (i = 0; i < ATAUSB_T_MAX; i++)
if (sc->transfer[i])
usbd_free_xfer(sc->transfer[i]);
/* remove all the pipes */
if (sc->bulkout_pipe)
usbd_close_pipe(sc->bulkout_pipe);
if (sc->bulkin_pipe)
usbd_close_pipe(sc->bulkin_pipe);
if (sc->bulkirq_pipe)
usbd_close_pipe(sc->bulkirq_pipe);
spin_uninit(&sc->locked_mtx);
return 0;
}
void
cv_destroy(struct cv *c)
{
spin_uninit(&c->cv_lock);
}
