Re: [PATCH 4/7] devfreq: exynos: dev_pm_opp_put_*() accepts NULL argument

From: Chanwoo Choi
Date: Fri Nov 06 2020 - 02:34:48 EST


On 11/6/20 4:46 PM, Chanwoo Choi wrote:
> On 11/6/20 4:42 PM, Chanwoo Choi wrote:
>> Hi Viresh,
>>
>> On 11/6/20 4:03 PM, Viresh Kumar wrote:
>>> The dev_pm_opp_put_*() APIs now accepts a NULL opp_table pointer and so
>>> there is no need for us to carry the extra check. Drop them.
>>>
>>> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>>> ---
>>> drivers/devfreq/exynos-bus.c | 12 ++++--------
>>> 1 file changed, 4 insertions(+), 8 deletions(-)
>>>
>>> diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
>>> index 1e684a448c9e..143fd58ec3dc 100644
>>> --- a/drivers/devfreq/exynos-bus.c
>>> +++ b/drivers/devfreq/exynos-bus.c
>>> @@ -158,10 +158,8 @@ static void exynos_bus_exit(struct device *dev)
>>>
>>> dev_pm_opp_of_remove_table(dev);
>>> clk_disable_unprepare(bus->clk);
>>> - if (bus->opp_table) {
>>> - dev_pm_opp_put_regulators(bus->opp_table);
>>> - bus->opp_table = NULL;
>>> - }
>>> + dev_pm_opp_put_regulators(bus->opp_table);
>>> + bus->opp_table = NULL;
>>> }
>>>
>>> static void exynos_bus_passive_exit(struct device *dev)
>>> @@ -444,10 +442,8 @@ static int exynos_bus_probe(struct platform_device *pdev)
>>> dev_pm_opp_of_remove_table(dev);
>>> clk_disable_unprepare(bus->clk);
>>> err_reg:
>>> - if (!passive) {
>>> - dev_pm_opp_put_regulators(bus->opp_table);
>>> - bus->opp_table = NULL;
>>> - }
>>> + dev_pm_opp_put_regulators(bus->opp_table);
>>> + bus->opp_table = NULL;
>>>
>>> return ret;
>>> }
>>>
>>
>> Applied it. Thanks.
>>
>
> It seems that this patch depends on first patch.
> So, need to be merged to one git repository.
>
> Instead of applying it to devfreq.git,
> Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>

Also, need to add 'PM /' prefix to patch title
in order to keep the same format with already merged devfreq patches.
- 'PM / devfreq: exynos: dev_pm_opp_put_*() accepts NULL argument'

--
Best Regards,
Chanwoo Choi
Samsung Electronics