Re: [PATCH -next] media: staging: tegra-vde: Mark tegra_vde_runtime_suspend as __maybe_unused

[Yuehaibing]

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 <yuehaibing@xxxxxxxxxx>
>> ---
>>  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().

> 
> .
>