diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 70be4425ae0be495c0d08d3408a20c3c7d90d6a7..2b3637b40dde9b74d42fd521f854a541c7977e61 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -730,7 +730,6 @@ int sas_discover_sata(struct domain_device *dev)
if (res)
return res;
- sas_discover_event(dev->port, DISCE_PROBE);
return 0;
}
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 14f714d0576784e3a5d87f294e96737b1d60598b..e4fd078e4175dae9b05290f373f1b0636a751683 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -212,13 +212,9 @@ void sas_notify_lldd_dev_gone(struct domain_device *dev)
}
}
-static void sas_probe_devices(struct work_struct *work)
+static void sas_probe_devices(struct asd_sas_port *port)
{
struct domain_device *dev, *n;
- struct sas_discovery_event *ev = to_sas_discovery_event(work);
- struct asd_sas_port *port = ev->port;
-
- clear_bit(DISCE_PROBE, &port->disc.pending);
/* devices must be domain members before link recovery and probe */
list_for_each_entry(dev, &port->disco_list, disco_list_node) {
@@ -294,7 +290,6 @@ int sas_discover_end_dev(struct domain_device *dev)
res = sas_notify_lldd_dev_found(dev);
if (res)
return res;
- sas_discover_event(dev->port, DISCE_PROBE);
return 0;
}
@@ -353,13 +348,9 @@ static void sas_unregister_common_dev(struct asd_sas_port *port, struct domain_d
sas_put_device(dev);
}
-static void sas_destruct_devices(struct work_struct *work)
+void sas_destruct_devices(struct asd_sas_port *port)
{
struct domain_device *dev, *n;
- struct sas_discovery_event *ev = to_sas_discovery_event(work);
- struct asd_sas_port *port = ev->port;
-
- clear_bit(DISCE_DESTRUCT, &port->disc.pending);
list_for_each_entry_safe(dev, n, &port->destroy_list, disco_list_node) {
list_del_init(&dev->disco_list_node);
@@ -370,6 +361,16 @@ static void sas_destruct_devices(struct work_struct *work)
}
}
+static void sas_destruct_ports(struct asd_sas_port *port)
+{
+ struct sas_port *sas_port, *p;
+
+ list_for_each_entry_safe(sas_port, p, &port->sas_port_del_list, del_list) {
+ list_del_init(&sas_port->del_list);
+ sas_port_delete(sas_port);
+ }
+}
+
void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev)
{
if (!test_bit(SAS_DEV_DESTROY, &dev->state) &&
@@ -384,7 +385,6 @@ void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev)
if (!test_and_set_bit(SAS_DEV_DESTROY, &dev->state)) {
sas_rphy_unlink(dev->rphy);
list_move_tail(&dev->disco_list_node, &port->destroy_list);
- sas_discover_event(dev->port, DISCE_DESTRUCT);
}
}
@@ -490,6 +490,8 @@ static void sas_discover_domain(struct work_struct *work)
port->port_dev = NULL;
}
+ sas_probe_devices(port);
+
SAS_DPRINTK("DONE DISCOVERY on port %d, pid:%d, result:%d\n", port->id,
task_pid_nr(current), error);
}
@@ -523,6 +525,10 @@ static void sas_revalidate_domain(struct work_struct *work)
port->id, task_pid_nr(current), res);
out:
mutex_unlock(&ha->disco_mutex);
+
+ sas_destruct_devices(port);
+ sas_destruct_ports(port);
+ sas_probe_devices(port);
}
/* ---------- Events ---------- */
@@ -578,10 +584,8 @@ void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port)
static const work_func_t sas_event_fns[DISC_NUM_EVENTS] = {
[DISCE_DISCOVER_DOMAIN] = sas_discover_domain,
[DISCE_REVALIDATE_DOMAIN] = sas_revalidate_domain,
- [DISCE_PROBE] = sas_probe_devices,
[DISCE_SUSPEND] = sas_suspend_devices,
[DISCE_RESUME] = sas_resume_devices,
- [DISCE_DESTRUCT] = sas_destruct_devices,
};
disc->pending = 0;
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index a8a57b0593e3bdadd914173052fed9b4f4793b12..7444d40e261ca23b3feb6cf877966015218a5966 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1916,7 +1916,8 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent,
sas_port_delete_phy(phy->port, phy->phy);
sas_device_set_phy(found, phy->port);
if (phy->port->num_phys == 0)
- sas_port_delete(phy->port);
+ list_add_tail(&phy->port->del_list,
+ &parent->port->sas_port_del_list);
phy->port = NULL;
}
}
@@ -2124,7 +2125,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
struct domain_device *dev = NULL;
res = sas_find_bcast_dev(port_dev, &dev);
- while (res == 0 && dev) {
+ if (res == 0 && dev) {
struct expander_device *ex = &dev->ex_dev;
int i = 0, phy_id;
@@ -2136,9 +2137,6 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
res = sas_rediscover(dev, phy_id);
i = phy_id + 1;
} while (i < ex->num_phys);
-
- dev = NULL;
- res = sas_find_bcast_dev(port_dev, &dev);
}
return res;
}
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index d8826a747690dad7aed2e2e0c1f7e1bdb5024b6d..50e12d662ffe39b918fb7226037acdec3034fdab 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -101,6 +101,7 @@ int sas_try_ata_reset(struct asd_sas_phy *phy);
void sas_hae_reset(struct work_struct *work);
void sas_free_device(struct kref *kref);
+void sas_destruct_devices(struct asd_sas_port *port);
extern const work_func_t sas_phy_event_fns[PHY_NUM_EVENTS];
extern const work_func_t sas_port_event_fns[PORT_NUM_EVENTS];
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index 64722f42b2564f8cacca93d97fdb89f396242122..f07e55d3aa73b57a552f80ed21b7b51e45891bc7 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -66,6 +66,7 @@ static void sas_resume_port(struct asd_sas_phy *phy)
rc = sas_notify_lldd_dev_found(dev);
if (rc) {
sas_unregister_dev(port, dev);
+ sas_destruct_devices(port);
continue;
}
@@ -220,6 +221,7 @@ void sas_deform_port(struct asd_sas_phy *phy, int gone)
if (port->num_phys == 1) {
sas_unregister_domain_devices(port, gone);
+ sas_destruct_devices(port);
sas_port_delete(port->port);
port->port = NULL;
} else {
@@ -317,6 +319,7 @@ static void sas_init_port(struct asd_sas_port *port,
INIT_LIST_HEAD(&port->dev_list);
INIT_LIST_HEAD(&port->disco_list);
INIT_LIST_HEAD(&port->destroy_list);
+ INIT_LIST_HEAD(&port->sas_port_del_list);
spin_lock_init(&port->phy_list_lock);
INIT_LIST_HEAD(&port->phy_list);
port->ha = sas_ha;
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 6255bb5ed1e4b96253b5974672e02672f07ca3c0..1cab6f7af42586a7bf621a414a70bd973c97ca44 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -82,10 +82,8 @@ enum phy_event {
enum discover_event {
DISCE_DISCOVER_DOMAIN = 0U,
DISCE_REVALIDATE_DOMAIN,
- DISCE_PROBE,
DISCE_SUSPEND,
DISCE_RESUME,
- DISCE_DESTRUCT,
DISC_NUM_EVENTS,
};
@@ -262,6 +260,7 @@ struct asd_sas_port {
struct list_head dev_list;
struct list_head disco_list;
struct list_head destroy_list;
+ struct list_head sas_port_del_list;
enum sas_linkrate linkrate;
struct sas_work work;
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 62895b4059330d463d11ba33c9c0bbc3a4ae733a..05ec927a3c72988f62cfd5622aaf78dd74199fc0 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -156,6 +156,7 @@ struct sas_port {
struct mutex phy_list_mutex;
struct list_head phy_list;
+ struct list_head del_list; /* libsas only */
};
#define dev_to_sas_port(d) \