[PATCH v2 01/11] scsi: ufs: core: Introduce a new ufshcd vops negotiate_pwr_mode()

Can Guo can.guo at oss.qualcomm.com
Fri Mar 6 04:25:34 PST 2026


On 3/5/2026 8:53 PM, Krzysztof Kozlowski wrote:
> On 04/03/2026 14:53, Can Guo wrote:
>>   {
>>   	int ret;
>>   
>> @@ -4747,6 +4745,22 @@ static int ufshcd_change_power_mode(struct ufs_hba *hba,
>>   	return ret;
>>   }
>>   
> Missing kerneldoc.
Will add in next version.

Thanks,
Can Guo.
>
>> +int ufshcd_change_power_mode(struct ufs_hba *hba,
>> +			     struct ufs_pa_layer_attr *pwr_mode)
>> +{
>> +	int ret;
>> +
>> +	ufshcd_vops_pwr_change_notify(hba, PRE_CHANGE, pwr_mode);
>> +
>> +	ret = ufshcd_dme_change_power_mode(hba, pwr_mode);
>> +
>> +	if (!ret)
>> +		ufshcd_vops_pwr_change_notify(hba, POST_CHANGE, pwr_mode);
>> +
>> +	return ret;
>> +}
>> +EXPORT_SYMBOL_GPL(ufshcd_change_power_mode);
>> +
>
> Best regards,
> Krzysztof




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