scsi: smartpqi: update timeout on admin commands

Increase the timeout on admin commands from 3 seconds to 60
seconds and added a check for controller crash in the loop
where the driver polls for admin command completion.

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@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 affbc4f..e13dee3 100644 (file)
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -3425,6 +3425,8 @@ static void pqi_submit_admin_request(struct pqi_ctrl_info *ctrl_info,
        writel(iq_pi, admin_queues->iq_pi);
 }
 
+#define PQI_ADMIN_REQUEST_TIMEOUT_SECS 60
+
 static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info,
        struct pqi_general_admin_response *response)
 {
@@ -3436,7 +3438,7 @@ static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info,
        admin_queues = &ctrl_info->admin_queues;
        oq_ci = admin_queues->oq_ci_copy;
 
-       timeout = (3 * HZ) + jiffies;
+       timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * HZ) + jiffies;
 
        while (1) {
                oq_pi = *admin_queues->oq_pi;
@@ -3447,6 +3449,8 @@ static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info,
                                "timed out waiting for admin response\n");
                        return -ETIMEDOUT;
                }
+               if (!sis_is_firmware_running(ctrl_info))
+                       return -ENXIO;
                usleep_range(1000, 2000);
        }