[PATCH v8 05/13] libsas: fixup target_port_protocols for expanders that don't report sata

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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@xxxxxxxxx>
---
 drivers/scsi/libsas/sas_expander.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

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 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
 	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;

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