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scsi: smartpqi: Fix boot failure during LUN rebuild

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Move the delay in the register polling loop to the beginning of the loop to
ensure there is always a delay between writing the register and reading it.

Link: https://lore.kernel.org/r/20210928235442.201875-9-don.brace@microchip.com
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Acked-by: John Donnelly <john.p.donnelly@oracle.com>
Signed-off-by: Mike McGowen <Mike.McGowen@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mike McGowen 2021-09-28 18:54:39 -05:00 committed by Martin K. Petersen
parent 28ca6d876c
commit 987d35605b
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/smartpqi/smartpqi_init.c
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@ -4278,12 +4278,12 @@ static int pqi_create_admin_queues(struct pqi_ctrl_info *ctrl_info)
timeout = PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES + jiffies;
while (1) {
msleep(PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS);
status = readb(&pqi_registers->function_and_status_code);
if (status == PQI_STATUS_IDLE)
break;
if (time_after(jiffies, timeout))
return -ETIMEDOUT;
msleep(PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS);
}
/*