[SCSI] libsas: fixup target_port_protocols for expanders that don't report sata
If discovery returns 0 for target_port_protocols but shows an attached
sata device, just report SAS_PROTOCOL_SATA in the identify data so
userspace can reliably search for sata devices in the domain.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 14e3244..05acd9e 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -251,6 +251,8 @@
phy->phy->identify.device_type = dr->attached_dev_type;
phy->phy->identify.initiator_port_protocols = phy->attached_iproto;
phy->phy->identify.target_port_protocols = phy->attached_tproto;
+ if (!phy->attached_tproto && dr->attached_sata_dev)
+ phy->phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
phy->phy->identify.phy_identifier = phy_id;
phy->phy->minimum_linkrate_hw = dr->hmin_linkrate;
phy->phy->maximum_linkrate_hw = dr->hmax_linkrate;