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scsi: pm80xx: Do not use libsas port ID

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libsas port IDs can differ from the controller's port IDs.  Using libsas
port ID to index pm8001_ha->port array is a bug.

Remove sas_find_local_port_id(). We can use pm8001_ha->phy[phy_id].port to
get the port ID.

Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Terrence Adams <tadamsjr@google.com>
Link: https://lore.kernel.org/r/20241121194915.3039073-1-tadamsjr@google.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Igor Pylypiv
2024-11-21 11:49:15 -08:00
committed by Martin K. Petersen
parent 841df27d61
commit 0f630c58e3
1 changed files with 2 additions and 19 deletions
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21
drivers/scsi/pm8001/pm8001_sas.c
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@@ -374,23 +374,6 @@ static int pm8001_task_prep_ssp(struct pm8001_hba_info *pm8001_ha,
return PM8001_CHIP_DISP->ssp_io_req(pm8001_ha, ccb);
}
/* Find the local port id that's attached to this device */
static int sas_find_local_port_id(struct domain_device *dev)
{
struct domain_device *pdev = dev->parent;
/* Directly attached device */
if (!pdev)
return dev->port->id;
while (pdev) {
struct domain_device *pdev_p = pdev->parent;
if (!pdev_p)
return pdev->port->id;
pdev = pdev->parent;
}
return 0;
}
#define DEV_IS_GONE(pm8001_dev) \
((!pm8001_dev || (pm8001_dev->dev_type == SAS_PHY_UNUSED)))
@@ -463,10 +446,10 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags)
spin_lock_irqsave(&pm8001_ha->lock, flags);
pm8001_dev = dev->lldd_dev;
port = &pm8001_ha->port[sas_find_local_port_id(dev)];
port = pm8001_ha->phy[pm8001_dev->attached_phy].port;
if (!internal_abort &&
(DEV_IS_GONE(pm8001_dev) || !port->port_attached)) {
(DEV_IS_GONE(pm8001_dev) || !port || !port->port_attached)) {
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_PHY_DOWN;
if (sas_protocol_ata(task_proto)) {