This is a note to let you know that I've just added the patch titled
scsi: pm80xx: Use phy-specific SAS address when sending PHY_START command
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
scsi-pm80xx-use-phy-specific-sas-address-when-sendin.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c246e2de28f80177f4cc77aac5f3adc090b92d94
Author: Michal Grzedzicki <mge@xxxxxxxx>
Date: Wed Sep 13 08:56:10 2023 -0700
scsi: pm80xx: Use phy-specific SAS address when sending PHY_START command
[ Upstream commit 71996bb835aed58c7ec4967be1d05190a27339ec ]
Some cards have more than one SAS address. Using an incorrect address
causes communication issues with some devices like expanders.
Closes: https://lore.kernel.org/linux-kernel/A57AEA84-5CA0-403E-8053-106033C73C70@xxxxxx/
Signed-off-by: Michal Grzedzicki <mge@xxxxxxxx>
Link: https://lore.kernel.org/r/20230913155611.3183612-1-mge@xxxxxxxx
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 32fc450bf84b4..352705e023c83 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -4402,7 +4402,7 @@ pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
payload.sas_identify.dev_type = SAS_END_DEVICE;
payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
memcpy(payload.sas_identify.sas_addr,
- pm8001_ha->sas_addr, SAS_ADDR_SIZE);
+ &pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
payload.sas_identify.phy_id = phy_id;
ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
sizeof(payload), 0);
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 04746df26c6c9..ea305d093c871 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -4814,7 +4814,7 @@ pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
payload.sas_identify.dev_type = SAS_END_DEVICE;
payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
memcpy(payload.sas_identify.sas_addr,
- &pm8001_ha->sas_addr, SAS_ADDR_SIZE);
+ &pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
payload.sas_identify.phy_id = phy_id;
ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
sizeof(payload), 0);
