diff options
Diffstat (limited to 'drivers/scsi/isci/port.c')
| -rw-r--r-- | drivers/scsi/isci/port.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index da0c4e1b9b3..2fb85bf7544 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. */ |