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-rw-r--r--drivers/base/power/domain.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 55a10e6d4e2a..6471b559230e 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2085,8 +2085,10 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
/* Always-on domains must be powered on at initialization. */
if ((genpd_is_always_on(genpd) || genpd_is_rpm_always_on(genpd)) &&
- !genpd_status_on(genpd))
+ !genpd_status_on(genpd)) {
+ pr_err("always-on PM domain %s is not on\n", genpd->name);
return -EINVAL;
+ }
/* Multiple states but no governor doesn't make sense. */
if (!gov && genpd->state_count > 1)
@@ -2950,6 +2952,10 @@ static int genpd_iterate_idle_states(struct device_node *dn,
np = it.node;
if (!of_match_node(idle_state_match, np))
continue;
+
+ if (!of_device_is_available(np))
+ continue;
+
if (states) {
ret = genpd_parse_state(&states[i], np);
if (ret) {