[PATCH v3 2/2] ufs: host: support wb toggle with clock scaling

Peter Wang peter.wang at mediatek.com
Tue Aug 2 19:42:35 PDT 2022


On 8/3/22 2:46 AM, Bart Van Assche wrote:
> On 8/2/22 07:32, peter.wang at mediatek.com wrote:
>> From: Peter Wang <peter.wang at mediatek.com>
>>
>> Set UFSHCD_CAP_WB_WITH_CLK_SCALING for qcom to compatible legacy design.
>>
>> Signed-off-by: Peter Wang <peter.wang at mediatek.com>
>> Reviewed-by: Stanley Chu <stanley.chu at mediatek.com>
>> ---
>>   drivers/ufs/host/ufs-qcom.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
>> index f10d4668814c..f8c9a78e7776 100644
>> --- a/drivers/ufs/host/ufs-qcom.c
>> +++ b/drivers/ufs/host/ufs-qcom.c
>> @@ -869,7 +869,7 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba)
>>       struct ufs_qcom_host *host = ufshcd_get_variant(hba);
>>         hba->caps |= UFSHCD_CAP_CLK_GATING | 
>> UFSHCD_CAP_HIBERN8_WITH_CLK_GATING;
>> -    hba->caps |= UFSHCD_CAP_CLK_SCALING;
>> +    hba->caps |= UFSHCD_CAP_CLK_SCALING | 
>> UFSHCD_CAP_WB_WITH_CLK_SCALING;
>>       hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND;
>>       hba->caps |= UFSHCD_CAP_WB_EN;
>>       hba->caps |= UFSHCD_CAP_CRYPTO;
>
> A patch series should be bisectable. Without this patch the previous 
> patch in this series introduces a regression for Qualcomm controllers. 
> So I think that the two patches should be combined into a single patch.
>
> Thanks,
>
> Bart.

Hi Bart,

Will combine into a single patch next version.

Thanks.
Peter






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