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[SCSI] 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@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dan Williams 2012-02-08 23:20:41 -08:00 committed by James Bottomley
parent 899fcf40f3
commit 77c309f3cd
1 changed files with 2 additions and 0 deletions
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drivers/scsi/libsas/sas_expander.c
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@ -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;