/**
* pm_genpd_add_subdomain - Add a subdomain to an I/O PM domain.
* @genpd: Master PM domain to add the subdomain to.
- * @new_subdomain: Subdomain to be added.
+ * @subdomain: Subdomain to be added.
*/
int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
- struct generic_pm_domain *new_subdomain)
+ struct generic_pm_domain *subdomain)
{
struct gpd_link *link;
int ret = 0;
- if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(new_subdomain))
+ if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain))
return -EINVAL;
start:
genpd_acquire_lock(genpd);
- mutex_lock_nested(&new_subdomain->lock, SINGLE_DEPTH_NESTING);
+ mutex_lock_nested(&subdomain->lock, SINGLE_DEPTH_NESTING);
- if (new_subdomain->status != GPD_STATE_POWER_OFF
- && new_subdomain->status != GPD_STATE_ACTIVE) {
- mutex_unlock(&new_subdomain->lock);
+ if (subdomain->status != GPD_STATE_POWER_OFF
+ && subdomain->status != GPD_STATE_ACTIVE) {
+ mutex_unlock(&subdomain->lock);
genpd_release_lock(genpd);
goto start;
}
if (genpd->status == GPD_STATE_POWER_OFF
- && new_subdomain->status != GPD_STATE_POWER_OFF) {
+ && subdomain->status != GPD_STATE_POWER_OFF) {
ret = -EINVAL;
goto out;
}
list_for_each_entry(link, &genpd->slave_links, slave_node) {
- if (link->slave == new_subdomain && link->master == genpd) {
+ if (link->slave == subdomain && link->master == genpd) {
ret = -EINVAL;
goto out;
}
}
link->master = genpd;
list_add_tail(&link->master_node, &genpd->master_links);
- link->slave = new_subdomain;
- list_add_tail(&link->slave_node, &new_subdomain->slave_links);
- if (new_subdomain->status != GPD_STATE_POWER_OFF)
+ link->slave = subdomain;
+ list_add_tail(&link->slave_node, &subdomain->slave_links);
+ if (subdomain->status != GPD_STATE_POWER_OFF)
genpd_sd_counter_inc(genpd);
out:
- mutex_unlock(&new_subdomain->lock);
+ mutex_unlock(&subdomain->lock);
genpd_release_lock(genpd);
return ret;