PM / OPP: Take reference of the OPP table while adding/removing OPPs

Take reference of the OPP table while adding and removing OPPs, that
helps us remove special checks in _remove_opp_table().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2017-01-23 10:11:44 +05:30 committed by Rafael J. Wysocki
parent fa30184d19
commit 31641cda53
1 changed files with 4 additions and 5 deletions

View File

@ -971,9 +971,6 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_put_opp_table);
*/
static void _remove_opp_table(struct opp_table *opp_table)
{
if (!list_empty(&opp_table->opp_list))
return;
dev_pm_opp_put_opp_table_unlocked(opp_table);
}
@ -1018,8 +1015,7 @@ static void _opp_remove(struct opp_table *opp_table, struct dev_pm_opp *opp)
call_srcu(&opp_table->srcu_head.srcu, &opp->rcu_head, _kfree_opp_rcu);
mutex_unlock(&opp_table->lock);
_remove_opp_table(opp_table);
dev_pm_opp_put_opp_table(opp_table);
}
/**
@ -1170,6 +1166,9 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp,
new_opp->opp_table = opp_table;
/* Get a reference to the OPP table */
_get_opp_table_kref(opp_table);
ret = opp_debug_create_one(new_opp, opp_table);
if (ret)
dev_err(dev, "%s: Failed to register opp to debugfs (%d)\n",