linux-kernel - [PATCH v3 4/6] scsi: hisi_sas: Don't issue ATA softreset in hisi_sas_abort

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Date:   Tue, 6 Sep 2022 23:08:08 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.ibm.com>, <martin.petersen@...cle.com>,
        <jinpu.wang@...ud.ionos.com>, <damien.lemoal@...nsource.wdc.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <yangxingui@...wei.com>, <hare@...e.de>,
        John Garry <john.garry@...wei.com>
Subject: [PATCH v3 4/6] scsi: hisi_sas: Don't issue ATA softreset in hisi_sas_abort_task()

It is not necessary to issue an ATA softreset in hisi_sas_abort_task().
This is because in the libsas EH scheme we will defer to ATA EH which will
deal with any device reset during recovery.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 33af5b8dede2..2fe5290ac56c 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1598,13 +1598,16 @@ static int hisi_sas_abort_task(struct sas_task *task)
 	} else if (task->task_proto & SAS_PROTOCOL_SATA ||
 		task->task_proto & SAS_PROTOCOL_STP) {
 		if (task->dev->dev_type == SAS_SATA_DEV) {
+			struct hisi_sas_slot *slot = task->lldd_task;
+
+			slot->task = NULL;
 			rc = hisi_sas_internal_task_abort_dev(sas_dev, false);
 			if (rc < 0) {
 				dev_err(dev, "abort task: internal abort failed\n");
 				goto out;
 			}
 			hisi_sas_dereg_device(hisi_hba, device);
-			rc = hisi_sas_softreset_ata_disk(device);
+			rc = TMF_RESP_FUNC_COMPLETE;
 		}
 	} else if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SMP) {
 		/* SMP */
-- 
2.35.3