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scsi: hisi_sas: modify hisi_sas_dev_gone() for reset 

Do a couple of changes for when HISI_SAS_RESET_BIT is set for HBA:

 - Clearing ITCT is not necessary

 - Remove internal abort as it will fail during reset

Flag sas_dev->dev_type is kept as SAS_PHY_UNUSED.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Chen 2017-12-09 01:16:37 +08:00 committed by Martin K. Petersen
parent fb51e7a8d3
commit f8e45ec226
1 changed files with 8 additions and 6 deletions
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14
drivers/scsi/hisi_sas/hisi_sas_main.c
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@ -738,17 +738,19 @@ static void hisi_sas_dev_gone(struct domain_device *device)
dev_info(dev, "found dev[%d:%x] is gone\n",
sas_dev->device_id, sas_dev->dev_type);
hisi_sas_internal_task_abort(hisi_hba, device,
if (!test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) {
hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_DEV, 0);
hisi_sas_dereg_device(hisi_hba, device);
hisi_sas_dereg_device(hisi_hba, device);
hisi_hba->hw->clear_itct(hisi_hba, sas_dev);
device->lldd_dev = NULL;
memset(sas_dev, 0, sizeof(*sas_dev));
}
hisi_hba->hw->clear_itct(hisi_hba, sas_dev);
if (hisi_hba->hw->free_device)
hisi_hba->hw->free_device(sas_dev);
device->lldd_dev = NULL;
memset(sas_dev, 0, sizeof(*sas_dev));
sas_dev->dev_type = SAS_PHY_UNUSED;
}