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scsi: hisi_sas: Set a port invalid only if there are no devices attached when refreshing port id 

Currently the driver sets the port invalid if one phy in the port is not
enabled, which may cause issues in expander situation. In directly attached
situation, if phy up doesn't occur in time when refreshing port id, the
port is incorrectly set to invalid which will also cause disk lost.

Therefore set a port invalid only if there are no devices attached to the
port.

Signed-off-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1672805000-141102-3-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Yihang Li 2023-01-04 12:03:20 +08:00 committed by Martin K. Petersen
parent 037b48057e
commit f58c897006
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/hisi_sas/hisi_sas_main.c
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@ -1316,7 +1316,7 @@ static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba)
device->linkrate = phy->sas_phy.linkrate;
hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
} else
} else if (!port->port_attached)
port->id = 0xff;
}
}