static int
canbus_deactivate_resource(
device_t dev, device_t child, int type, int rid, struct resource *res)
{
return (BUS_DEACTIVATE_RESOURCE(
device_get_parent(dev), child, type, rid, res));
}
static int
apb_deactivate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
/* XXX: should we mask/unmask IRQ here? */
return (BUS_DEACTIVATE_RESOURCE(device_get_parent(bus), child,
type, rid, r));
}
static int
sbus_deactivate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
if (type == SYS_RES_IRQ) {
return (BUS_DEACTIVATE_RESOURCE(device_get_parent(bus),
child, type, rid, r));
}
if (type == SYS_RES_MEMORY) {
sparc64_bus_mem_unmap(rman_get_virtual(r), rman_get_size(r));
rman_set_virtual(r, NULL);
}
return (rman_deactivate_resource(r));
}
/**
* Helper function for implementing BHND_BUS_DEACTIVATE_RESOURCE().
*
* This simple implementation of BHND_BUS_ACTIVATE_RESOURCE() simply calls the
* BHND_BUS_ACTIVATE_RESOURCE() method of the parent of @p dev.
*
* If no parent device is available, the request is delegated to
* BUS_DEACTIVATE_RESOURCE().
*/
int
bhnd_generic_deactivate_bhnd_resource(device_t dev, device_t child, int type,
int rid, struct bhnd_resource *r)
{
if (device_get_parent(dev) != NULL)
return (BHND_BUS_DEACTIVATE_RESOURCE(device_get_parent(dev),
child, type, rid, r));
/* De-activate the resource directly */
if (!r->direct) {
panic("bhnd indirect resource released without "
"bhnd parent bus");
}
return (BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, r->res));
};
static int
chipc_release_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct chipc_softc *sc;
struct chipc_region *cr;
struct rman *rm;
struct resource_list_entry *rle;
int error;
sc = device_get_softc(dev);
/* Handled by parent bus? */
rm = chipc_get_rman(sc, type);
if (rm == NULL || !rman_is_region_manager(r, rm)) {
return (bus_generic_rl_release_resource(dev, child, type, rid,
r));
}
/* Locate the mapping region */
cr = chipc_find_region(sc, rman_get_start(r), rman_get_end(r));
if (cr == NULL)
return (EINVAL);
/* Deactivate resources */
if (rman_get_flags(r) & RF_ACTIVE) {
error = BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, r);
if (error)
return (error);
}
if ((error = rman_release_resource(r)))
return (error);
/* Drop allocation reference */
chipc_release_region(sc, cr, RF_ALLOCATED);
/* Clear reference from the resource list entry if exists */
rle = resource_list_find(BUS_GET_RESOURCE_LIST(dev, child), type, rid);
if (rle != NULL)
rle->res = NULL;
return (0);
}
static int
generic_pcie_deactivate_resource(device_t dev, device_t child, int type,
int rid, struct resource *r)
{
int res;
if ((res = rman_deactivate_resource(r)) != 0)
return (res);
switch (type) {
case SYS_RES_IOPORT:
case SYS_RES_MEMORY:
case SYS_RES_IRQ:
res = BUS_DEACTIVATE_RESOURCE(device_get_parent(dev), child,
type, rid, r);
break;
default:
break;
}
return (res);
}
