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path: root/drivers/scsi/libsas/sas_discover.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_discover.c')
-rw-r--r--drivers/scsi/libsas/sas_discover.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index c56cc6400819..789b50861bb9 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -147,6 +147,7 @@ static int sas_get_port_device(struct asd_sas_port *port)
memset(port->disc.eeds_a, 0, SAS_ADDR_SIZE);
memset(port->disc.eeds_b, 0, SAS_ADDR_SIZE);
port->disc.max_level = 0;
+ sas_device_set_phy(dev, port->port);
dev->rphy = rphy;
@@ -234,6 +235,9 @@ void sas_free_device(struct kref *kref)
if (dev->parent)
sas_put_device(dev->parent);
+ sas_port_put_phy(dev->phy);
+ dev->phy = NULL;
+
/* remove the phys and ports, everything else should be gone */
if (dev->dev_type == EDGE_DEV || dev->dev_type == FANOUT_DEV)
kfree(dev->ex_dev.ex_phy);
@@ -308,6 +312,26 @@ void sas_unregister_domain_devices(struct asd_sas_port *port)
}
+void sas_device_set_phy(struct domain_device *dev, struct sas_port *port)
+{
+ struct sas_ha_struct *ha;
+ struct sas_phy *new_phy;
+
+ if (!dev)
+ return;
+
+ ha = dev->port->ha;
+ new_phy = sas_port_get_phy(port);
+
+ /* pin and record last seen phy */
+ spin_lock_irq(&ha->phy_port_lock);
+ if (new_phy) {
+ sas_port_put_phy(dev->phy);
+ dev->phy = new_phy;
+ }
+ spin_unlock_irq(&ha->phy_port_lock);
+}
+
/* ---------- Discovery and Revalidation ---------- */
/**