summaryrefslogtreecommitdiff
path: root/drivers/opp
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/opp')
-rw-r--r--drivers/opp/core.c26
1 files changed, 5 insertions, 21 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 6d3624ba89b6..481affb783f3 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1157,7 +1157,6 @@ struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
const u32 *versions, unsigned int count)
{
struct opp_table *opp_table;
- int ret;
opp_table = dev_pm_opp_get_opp_table(dev);
if (!opp_table)
@@ -1166,29 +1165,20 @@ struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
/* Make sure there are no concurrent readers while updating opp_table */
WARN_ON(!list_empty(&opp_table->opp_list));
- /* Do we already have a version hierarchy associated with opp_table? */
- if (opp_table->supported_hw) {
- dev_err(dev, "%s: Already have supported hardware list\n",
- __func__);
- ret = -EBUSY;
- goto err;
- }
+ /* Another CPU that shares the OPP table has set the property ? */
+ if (opp_table->supported_hw)
+ return opp_table;
opp_table->supported_hw = kmemdup(versions, count * sizeof(*versions),
GFP_KERNEL);
if (!opp_table->supported_hw) {
- ret = -ENOMEM;
- goto err;
+ dev_pm_opp_put_opp_table(opp_table);
+ return ERR_PTR(-ENOMEM);
}
opp_table->supported_hw_count = count;
return opp_table;
-
-err:
- dev_pm_opp_put_opp_table(opp_table);
-
- return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(dev_pm_opp_set_supported_hw);
@@ -1205,12 +1195,6 @@ void dev_pm_opp_put_supported_hw(struct opp_table *opp_table)
/* Make sure there are no concurrent readers while updating opp_table */
WARN_ON(!list_empty(&opp_table->opp_list));
- if (!opp_table->supported_hw) {
- pr_err("%s: Doesn't have supported hardware list\n",
- __func__);
- return;
- }
-
kfree(opp_table->supported_hw);
opp_table->supported_hw = NULL;
opp_table->supported_hw_count = 0;