diff options
Diffstat (limited to 'drivers/scsi/isci/port.c')
| -rw-r--r-- | drivers/scsi/isci/port.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index e55ef65f5212..c5ae94dbef48 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -1675,6 +1675,31 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor return ret; } +int isci_ata_check_ready(struct domain_device *dev) +{ + struct isci_port *iport = dev->port->lldd_port; + struct isci_host *ihost = dev_to_ihost(dev); + struct isci_remote_device *idev; + unsigned long flags; + int rc = 0; + + spin_lock_irqsave(&ihost->scic_lock, flags); + idev = isci_lookup_device(dev); + spin_unlock_irqrestore(&ihost->scic_lock, flags); + + if (!idev) + goto out; + + if (test_bit(IPORT_RESET_PENDING, &iport->state)) + goto out; + + rc = !!iport->active_phy_mask; + out: + isci_put_device(idev); + + return rc; +} + void isci_port_deformed(struct asd_sas_phy *phy) { struct isci_host *ihost = phy->ha->lldd_ha; |