isci: Move the reset delay after the remote node resumption.
Jeff Skirvin [Mon, 20 Jun 2011 21:08:51 +0000 (14:08 -0700)]
Delay after bringing up the RNC to allow for resumption latency.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/scsi/isci/task.c

index b54ef2b..69f17b9 100644 (file)
@@ -1433,15 +1433,17 @@ static int isci_reset_device(struct domain_device *dev, int hard_reset)
        isci_device_clear_reset_pending(ihost, idev);
 
        rc = sas_phy_reset(phy, hard_reset);
-       msleep(2000); /* just like mvsas */
 
        /* Terminate in-progress I/O now. */
        isci_remote_device_nuke_requests(ihost, idev);
 
+       /* Since all pending TCs have been cleaned, resume the RNC. */
        spin_lock_irqsave(&ihost->scic_lock, flags);
        status = scic_remote_device_reset_complete(&idev->sci);
        spin_unlock_irqrestore(&ihost->scic_lock, flags);
 
+       msleep(2000); /* just like mvsas */
+
        if (status != SCI_SUCCESS) {
                dev_warn(&ihost->pdev->dev,
                         "%s: scic_remote_device_reset_complete(%p) "