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-rw-r--r--drivers/opp/core.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 86e8e2c1905f..780c89a49d18 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1320,11 +1320,9 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev,
goto err;
}
- /* Already have regulators set */
- if (opp_table->regulators) {
- ret = -EBUSY;
- goto err;
- }
+ /* Another CPU that shares the OPP table has set the regulators ? */
+ if (opp_table->regulators)
+ return opp_table;
opp_table->regulators = kmalloc_array(count,
sizeof(*opp_table->regulators),
@@ -1378,10 +1376,8 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table)
{
int i;
- if (!opp_table->regulators) {
- pr_err("%s: Doesn't have regulators set\n", __func__);
- return;
- }
+ if (!opp_table->regulators)
+ goto put_opp_table;
/* Make sure there are no concurrent readers while updating opp_table */
WARN_ON(!list_empty(&opp_table->opp_list));
@@ -1395,6 +1391,7 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table)
opp_table->regulators = NULL;
opp_table->regulator_count = 0;
+put_opp_table:
dev_pm_opp_put_opp_table(opp_table);
}
EXPORT_SYMBOL_GPL(dev_pm_opp_put_regulators);