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path: root/drivers/scsi/pm8001/pm8001_sas.c
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Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index f7067878b34f..6a8d35aea93a 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -130,6 +130,16 @@ static void pm80xx_get_tag_opcodes(struct sas_task *task, int *ata_op,
}
}
+u32 pm80xx_get_local_phy_id(struct domain_device *dev)
+{
+ struct pm8001_device *pm8001_dev = dev->lldd_dev;
+
+ if (dev_parent_is_expander(dev))
+ return dev->parent->ex_dev.ex_phy->phy_id;
+
+ return pm8001_dev->attached_phy;
+}
+
void pm80xx_show_pending_commands(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *target_pm8001_dev)
{
@@ -477,7 +487,7 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags)
struct pm8001_device *pm8001_dev = dev->lldd_dev;
bool internal_abort = sas_is_internal_abort(task);
struct pm8001_hba_info *pm8001_ha;
- struct pm8001_port *port = NULL;
+ struct pm8001_port *port;
struct pm8001_ccb_info *ccb;
unsigned long flags;
u32 n_elem = 0;
@@ -502,8 +512,7 @@ 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->phy[pm8001_dev->attached_phy].port;
+ port = dev->port->lldd_port;
if (!internal_abort &&
(DEV_IS_GONE(pm8001_dev) || !port || !port->port_attached)) {
@@ -701,7 +710,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev)
dev->lldd_dev = pm8001_device;
pm8001_device->dev_type = dev->dev_type;
pm8001_device->dcompletion = &completion;
- if (parent_dev && dev_is_expander(parent_dev->dev_type)) {
+ if (dev_parent_is_expander(dev)) {
int phy_id;
phy_id = sas_find_attached_phy_id(&parent_dev->ex_dev, dev);
@@ -766,7 +775,16 @@ static void pm8001_dev_gone_notify(struct domain_device *dev)
spin_lock_irqsave(&pm8001_ha->lock, flags);
}
PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
- pm8001_ha->phy[pm8001_dev->attached_phy].phy_attached = 0;
+
+ /*
+ * The phy array only contains local phys. Thus, we cannot clear
+ * phy_attached for a device behind an expander.
+ */
+ if (!dev_parent_is_expander(dev)) {
+ u32 phy_id = pm80xx_get_local_phy_id(dev);
+
+ pm8001_ha->phy[phy_id].phy_attached = 0;
+ }
pm8001_free_dev(pm8001_dev);
} else {
pm8001_dbg(pm8001_ha, DISC, "Found dev has gone.\n");
@@ -1048,7 +1066,7 @@ int pm8001_abort_task(struct sas_task *task)
struct pm8001_hba_info *pm8001_ha;
struct pm8001_device *pm8001_dev;
int rc = TMF_RESP_FUNC_FAILED, ret;
- u32 phy_id, port_id;
+ u32 port_id;
struct sas_task_slow slow_task;
if (!task->lldd_task || !task->dev)
@@ -1057,7 +1075,6 @@ int pm8001_abort_task(struct sas_task *task)
dev = task->dev;
pm8001_dev = dev->lldd_dev;
pm8001_ha = pm8001_find_ha_by_dev(dev);
- phy_id = pm8001_dev->attached_phy;
if (PM8001_CHIP_DISP->fatal_errors(pm8001_ha)) {
// If the controller is seeing fatal errors
@@ -1089,7 +1106,8 @@ int pm8001_abort_task(struct sas_task *task)
if (pm8001_ha->chip_id == chip_8006) {
DECLARE_COMPLETION_ONSTACK(completion_reset);
DECLARE_COMPLETION_ONSTACK(completion);
- struct pm8001_phy *phy = pm8001_ha->phy + phy_id;
+ u32 phy_id = pm80xx_get_local_phy_id(dev);
+ struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
port_id = phy->port->port_id;
/* 1. Set Device state as Recovery */