diff options
Diffstat (limited to 'drivers/opp/core.c')
| -rw-r--r-- | drivers/opp/core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index e366218d6736..b335c077f215 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -893,6 +893,16 @@ static int _set_required_opps(struct device *dev, if (!required_opp_tables) return 0; + /* + * We only support genpd's OPPs in the "required-opps" for now, as we + * don't know much about other use cases. Error out if the required OPP + * doesn't belong to a genpd. + */ + if (unlikely(!required_opp_tables[0]->is_genpd)) { + dev_err(dev, "required-opps don't belong to a genpd\n"); + return -ENOENT; + } + /* required-opps not fully initialized yet */ if (lazy_linking_pending(opp_table)) return -EBUSY; |