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Commit 0c269e6d authored by James Bottomley's avatar James Bottomley Committed by James Bottomley
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[SCSI] mptsas: add parent port backlink 



This takes advantage of the sas class backlink function to show which
port on an expander is used to communicate with the parent.

Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent f4c8aa11

drivers/message/fusion/mptsas.c

+6 −2
Original line number Diff line number Diff line
@@ -1642,15 +1642,19 @@ static int mptsas_probe_one_phy(struct device *dev, 


			for (i = 0; i < port_info->num_phys; i++)

				if (port_info->phy_info[i].identify.sas_address ==

				    identify.sas_address)

				    identify.sas_address) {

					sas_port_mark_backlink(port);

					goto out;

				}



		} else if (scsi_is_sas_rphy(parent)) {

			struct sas_rphy *parent_rphy = dev_to_rphy(parent);

			if (identify.sas_address ==

			    parent_rphy->identify.sas_address)

			    parent_rphy->identify.sas_address) {

				sas_port_mark_backlink(port);

				goto out;

			}

		}



		switch (identify.device_type) {

		case SAS_END_DEVICE: