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authorViresh Kumar <viresh.kumar@linaro.org>2020-11-06 07:46:52 +0100
committerViresh Kumar <viresh.kumar@linaro.org>2020-12-09 06:51:11 +0100
commitc7bf8758c955e6272c0f4b2411d7a85abce8fafe (patch)
treecb3f46da7fd8a50bf0cca9cfd29c42fecc5b1679 /drivers/opp
parentopp: Don't create an OPP table from dev_pm_opp_get_opp_table() (diff)
downloadlinux-c7bf8758c955e6272c0f4b2411d7a85abce8fafe.tar.xz
linux-c7bf8758c955e6272c0f4b2411d7a85abce8fafe.zip
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>
Diffstat (limited to 'drivers/opp')
-rw-r--r--drivers/opp/core.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 8f53c1b48911..4268eb359915 100644
--- 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.