1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c
index da0c4e1b9b30..2fb85bf75449 100644
--- a/drivers/scsi/isci/port.c
+++ b/drivers/scsi/isci/port.c
@@ -240,9 +240,32 @@ static void isci_port_link_down(struct isci_host *isci_host,
                                 struct isci_phy *isci_phy,
                                 struct isci_port *isci_port)
 {
+        struct isci_remote_device *isci_device;
+
         dev_dbg(&isci_host->pdev->dev,
                 "%s: isci_port = %p\n", __func__, isci_port);
 
+        if (isci_port) {
+
+                /* check to see if this is the last phy on this port. */
+                if (isci_phy->sas_phy.port &&
+                    isci_phy->sas_phy.port->num_phys == 1) {
+                        /* change the state for all devices on this port.  The
+                        * next task sent to this device will be returned as
+                        * SAS_TASK_UNDELIVERED, and the scsi mid layer will
+                        * remove the target
+                        */
+                        list_for_each_entry(isci_device,
+                                            &isci_port->remote_dev_list,
+                                            node) {
+                                dev_dbg(&isci_host->pdev->dev,
+                                        "%s: isci_device = %p\n",
+                                        __func__, isci_device);
+                                set_bit(IDEV_GONE, &isci_device->flags);
+                        }
+                }
+        }
+
         /* Notify libsas of the borken link, this will trigger calls to our
          * isci_port_deformed and isci_dev_gone functions.
          */