scsi: ufs: core: Add debug log for MCQ command timeout

It is difficult to debug situations where an MCQ command timeout occurs,
the corresponding CQ tag response is received, but the request is not
completed.  Add a one-line log to indicate when the CQ entry is abnormal.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260210070837.1820710-3-peter.wang@mediatek.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
index 18a95b728633ffca338de150cbff102009b7e560..eb3770830d738da76c5c35fc7ec54c838af75dc3 100644 (file)
--- a/drivers/ufs/core/ufs-mcq.c
+++ b/drivers/ufs/core/ufs-mcq.c
@@ -301,6 +301,8 @@ static void ufshcd_mcq_process_cqe(struct ufs_hba *hba,
                ufshcd_compl_one_cqe(hba, tag, cqe);
                /* After processed the cqe, mark it empty (invalid) entry */
                cqe->command_desc_base_addr = 0;
+       } else {
+               dev_err(hba->dev, "Abnormal CQ entry!\n");
        }
 }