Re: [PATCH -next] scsi: ufs: fix build warning without CONFIG_PM

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On 2021/7/27 1:59, Bart Van Assche wrote:
> On 6/11/21 6:06 AM, YueHaibing wrote:
>> drivers/scsi/ufs/ufshcd.c:9770:12: warning: ‘ufshcd_rpmb_resume’ defined but not used [-Wunused-function]
>>   static int ufshcd_rpmb_resume(struct device *dev)
>>              ^~~~~~~~~~~~~~~~~~
>> drivers/scsi/ufs/ufshcd.c:9037:12: warning: ‘ufshcd_wl_runtime_resume’ defined but not used [-Wunused-function]
>>   static int ufshcd_wl_runtime_resume(struct device *dev)
>>              ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/scsi/ufs/ufshcd.c:9017:12: warning: ‘ufshcd_wl_runtime_suspend’ defined but not used [-Wunused-function]
>>   static int ufshcd_wl_runtime_suspend(struct device *dev)
>>              ^~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> Move it into #ifdef block to fix this.
>>
>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>> ---
>>   drivers/scsi/ufs/ufshcd.c | 4 +++-
>>   1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
>> index b87ff68aa9aa..0c54589e186a 100644
>> --- a/drivers/scsi/ufs/ufshcd.c
>> +++ b/drivers/scsi/ufs/ufshcd.c
>> @@ -8926,6 +8926,7 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
>>       return ret;
>>   }
>>   +#ifdef CONFIG_PM_SLEEP
>>   static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
>>   {
>>       int ret;
>> @@ -9053,7 +9054,6 @@ static int ufshcd_wl_runtime_resume(struct device *dev)
>>       return ret;
>>   }
>>   -#ifdef CONFIG_PM_SLEEP
>>   static int ufshcd_wl_suspend(struct device *dev)
>>   {
>>       struct scsi_device *sdev = to_scsi_device(dev);
>> @@ -9766,6 +9766,7 @@ static inline int ufshcd_clear_rpmb_uac(struct ufs_hba *hba)
>>       return ret;
>>   }
>>   +#ifdef CONFIG_PM_SLEEP
>>   static int ufshcd_rpmb_resume(struct device *dev)
>>   {
>>       struct ufs_hba *hba = wlun_dev_to_hba(dev);
>> @@ -9774,6 +9775,7 @@ static int ufshcd_rpmb_resume(struct device *dev)
>>           ufshcd_clear_rpmb_uac(hba);
>>       return 0;
>>   }
>> +#endif
>>     static const struct dev_pm_ops ufs_rpmb_pm_ops = {
>>       SET_RUNTIME_PM_OPS(NULL, ufshcd_rpmb_resume, NULL)
> 
> Hi YueHaibing,
> 
> Can you take a look at https://lore.kernel.org/linux-scsi/20210722033439.26550-1-bvanassche@xxxxxxx/T/#m6e7a02fc79634b5b77cfb77849253ac41d021389? I let the kernel robot verify that patch before I posted it on the linux-scsi mailing list.

__ufshcd_wl_resume() is needed while CONFIG_PM is enabled, and my patch v2 has been Applied. See:

https://lore.kernel.org/r/20210617031326.36908-1-yuehaibing@xxxxxxxxxx

I will let Hulk Robot test your patch serials, and report if any.

> 
> Thanks,
> 
> Bart.
> .



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