On 2020/8/3 20:51, Dmitry Osipenko wrote:
> 03.08.2020 14:59, YueHaibing пишет:
>> If CONFIG_PM is not set, gcc warns:
>>
>> drivers/staging/media/tegra-vde/vde.c:916:12:
>> warning: 'tegra_vde_runtime_suspend' defined but not used
>> [-Wunused-function]
>>
>> Make it __maybe_unused to fix this.
>>
>> Signed-off-by: YueHaibing <yuehaib...@huawei.com>
>> ---
>> drivers/staging/media/tegra-vde/vde.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/staging/media/tegra-vde/vde.c
>> b/drivers/staging/media/tegra-vde/vde.c
>> index a3c24d96d5b9..2d043d518eef 100644
>> --- a/drivers/staging/media/tegra-vde/vde.c
>> +++ b/drivers/staging/media/tegra-vde/vde.c
>> @@ -913,7 +913,7 @@ static irqreturn_t tegra_vde_isr(int irq, void *data)
>> return IRQ_HANDLED;
>> }
>>
>> -static int tegra_vde_runtime_suspend(struct device *dev)
>> +static __maybe_unused int tegra_vde_runtime_suspend(struct device *dev)
>> {
>> struct tegra_vde *vde = dev_get_drvdata(dev);
>> int err;
>>
>
> Hello Yue,
>
> Shouldn't the tegra_vde_runtime_resume() be marked as well?
No, tegra_vde_runtime_resume() always be called by tegra_vde_shutdown().
>
> .
>
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