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 --- drivers/base/power/opp/core.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index 1af349ab630e..1a38b5d8dc54 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -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",