From: Dave Carroll <david.carroll@microsemi.com>
Date: Fri, 7 Dec 2018 22:29:05 +0000 (-0600)
Subject: scsi: smartpqi: wake up drives after os resumes from suspend
X-Git-Tag: for-linus-20190104~65^2~23
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2b447f811c1f7f30e4caa5a817d0c95d06aff874;p=linux-block.git

scsi: smartpqi: wake up drives after os resumes from suspend

- set allow_restart option during scsi_device init.

   This allows the kernel to send a START/STOP Unit command to the drive if
   it encounters a 4/2 check condition in sense data.

Reviewed-by: Murthy Bhat <murthy.bhat@microsemi.com>
Reviewed-by: Mahesh Rajashekhara <mahesh.rajashekhara@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 74bd8d90c615..273daa2c2b68 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -5434,6 +5434,8 @@ static int pqi_slave_alloc(struct scsi_device *sdev)
 		}
 		if (pqi_is_logical_device(device))
 			pqi_disable_write_same(sdev);
+		else
+			sdev->allow_restart = 1;
 	}
 
 	spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags);