opp: Allow dev_pm_opp_put_*() APIs to accept NULL opp_table

This allows the callers to drop the unnecessary checks.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 8f53c1b..4268eb3 100644 (file)
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1660,6 +1660,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_supported_hw);
  */
 void dev_pm_opp_put_supported_hw(struct opp_table *opp_table)
 {
+       if (unlikely(!opp_table))
+               return;
+
        /* Make sure there are no concurrent readers while updating opp_table */
        WARN_ON(!list_empty(&opp_table->opp_list));
 
@@ -1716,6 +1719,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_prop_name);
  */
 void dev_pm_opp_put_prop_name(struct opp_table *opp_table)
 {
+       if (unlikely(!opp_table))
+               return;
+
        /* Make sure there are no concurrent readers while updating opp_table */
        WARN_ON(!list_empty(&opp_table->opp_list));
 
@@ -1844,6 +1850,9 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table)
 {
        int i;
 
+       if (unlikely(!opp_table))
+               return;
+
        if (!opp_table->regulators)
                goto put_opp_table;
 
@@ -1926,6 +1935,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_clkname);
  */
 void dev_pm_opp_put_clkname(struct opp_table *opp_table)
 {
+       if (unlikely(!opp_table))
+               return;
+
        /* Make sure there are no concurrent readers while updating opp_table */
        WARN_ON(!list_empty(&opp_table->opp_list));
 
@@ -1981,6 +1993,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_register_set_opp_helper);
  */
 void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table)
 {
+       if (unlikely(!opp_table))
+               return;
+
        /* Make sure there are no concurrent readers while updating opp_table */
        WARN_ON(!list_empty(&opp_table->opp_list));
 
@@ -2109,6 +2124,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_attach_genpd);
  */
 void dev_pm_opp_detach_genpd(struct opp_table *opp_table)
 {
+       if (unlikely(!opp_table))
+               return;
+
        /*
         * Acquire genpd_virt_dev_lock to make sure virt_dev isn't getting
         * used in parallel.