Re: [PATCH v5 7/7] ufs: core: Add error handling for MCQ mode

["Bao D. Nguyen" <quic_nguyenb@quicinc.com>]

On 5/19/2023 4:03 PM, Bart Van Assche wrote:
> On 5/11/23 23:28, Bao D. Nguyen wrote:
>> @@ -6378,18 +6407,36 @@ static bool ufshcd_abort_all(struct ufs_hba *hba)
>>       bool needs_reset = false;
>>       int tag, ret;
>> -    /* Clear pending transfer requests */
>> -    for_each_set_bit(tag, &hba->outstanding_reqs, hba->nutrs) {
>> -        ret = ufshcd_try_to_abort_task(hba, tag);
>> -        dev_err(hba->dev, "Aborting tag %d / CDB %#02x %s\n", tag,
>> -            hba->lrb[tag].cmd ? hba->lrb[tag].cmd->cmnd[0] : -1,
>> -            ret ? "failed" : "succeeded");
>> -        if (ret) {
>> -            needs_reset = true;
>> -            goto out;
>> +    if (is_mcq_enabled(hba)) {
>> +        struct ufshcd_lrb *lrbp;
>> +        int tag;
>> +
>> +        for (tag = 0; tag < hba->nutrs; tag++) {
>> +            lrbp = &hba->lrb[tag];
>> +            if (!ufshcd_cmd_inflight(lrbp->cmd))
>> +                continue;
>> +            ret = ufshcd_try_to_abort_task(hba, tag);
>> +            dev_err(hba->dev, "Aborting tag %d / CDB %#02x %s\n", tag,
>> +                hba->lrb[tag].cmd ? hba->lrb[tag].cmd->cmnd[0] : -1,
>> +                ret ? "failed" : "succeeded");
>> +            if (ret) {
>> +                needs_reset = true;
>> +                goto out;
>> +            }
>> +        }
>> +    } else {
>> +        /* Clear pending transfer requests */
>> +        for_each_set_bit(tag, &hba->outstanding_reqs, hba->nutrs) {
>> +            ret = ufshcd_try_to_abort_task(hba, tag);
>> +            dev_err(hba->dev, "Aborting tag %d / CDB %#02x %s\n", tag,
>> +                hba->lrb[tag].cmd ? hba->lrb[tag].cmd->cmnd[0] : -1,
>> +                ret ? "failed" : "succeeded");
>> +            if (ret) {
>> +                needs_reset = true;
>> +                goto out;
>> +            }
>>           }
>>       }
> 
> Please move the ufshcd_cmd_inflight() check into ufshcd_try_to_abort_task()
> such that the same code path can be used for MCQ and legacy mode.
Thank you, Bart.
I will make the change.

Thanks
Bao

> 
> Thanks,
> 
> Bart.