[PATCH V5 01/11] scsi: ufs: qcom: add a new phy calibrate API call

Nitin Rawat quic_nitirawa at quicinc.com
Wed May 21 14:44:39 PDT 2025



On 5/21/2025 6:38 PM, Manivannan Sadhasivam wrote:
> On Thu, May 15, 2025 at 09:57:12PM +0530, Nitin Rawat wrote:
>> Introduce a new phy calibrate API call in the UFS Qualcomm driver to
>> separate phy calibration from phy power-on. This change is a precursor
>> to the next patchset in this series, which requires these two operations
> 
> 'next patchset in the series' wouldn't make sense once this patch gets merged.
> They all become commits. So you should mention 'successive commits'.

Sure, will address in next patchset.

> 
>> to be distinct.
>>
>> Signed-off-by: Nitin Rawat <quic_nitirawa at quicinc.com>
> 
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> 
> - Mani
> 
>> ---
>>   drivers/ufs/host/ufs-qcom.c | 6 ++++++
>>   1 file changed, 6 insertions(+)
>>
>> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
>> index 37887ec68412..23b4fc84dc8c 100644
>> --- a/drivers/ufs/host/ufs-qcom.c
>> +++ b/drivers/ufs/host/ufs-qcom.c
>> @@ -531,6 +531,12 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
>>   		goto out_disable_phy;
>>   	}
>>   
>> +	ret = phy_calibrate(phy);
>> +	if (ret) {
>> +		dev_err(hba->dev, "Failed to calibrate PHY: %d\n", ret);
>> +		goto out_disable_phy;
>> +	}
>> +
>>   	ufs_qcom_select_unipro_mode(host);
>>   
>>   	return 0;
>> -- 
>> 2.48.1
>>
> 




More information about the linux-phy mailing list