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path: root/drivers/scsi/libsas/sas_phy.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_phy.c')
-rw-r--r--drivers/scsi/libsas/sas_phy.c58
1 files changed, 34 insertions, 24 deletions
diff --git a/drivers/scsi/libsas/sas_phy.c b/drivers/scsi/libsas/sas_phy.c
index b459c4b635b..cdee446c29e 100644
--- a/drivers/scsi/libsas/sas_phy.c
+++ b/drivers/scsi/libsas/sas_phy.c
@@ -32,41 +32,35 @@
static void sas_phye_loss_of_signal(struct work_struct *work)
{
- struct asd_sas_event *ev =
- container_of(work, struct asd_sas_event, work);
+ struct asd_sas_event *ev = to_asd_sas_event(work);
struct asd_sas_phy *phy = ev->phy;
- sas_begin_event(PHYE_LOSS_OF_SIGNAL, &phy->ha->event_lock,
- &phy->phy_events_pending);
+ clear_bit(PHYE_LOSS_OF_SIGNAL, &phy->phy_events_pending);
phy->error = 0;
- sas_deform_port(phy);
+ sas_deform_port(phy, 1);
}
static void sas_phye_oob_done(struct work_struct *work)
{
- struct asd_sas_event *ev =
- container_of(work, struct asd_sas_event, work);
+ struct asd_sas_event *ev = to_asd_sas_event(work);
struct asd_sas_phy *phy = ev->phy;
- sas_begin_event(PHYE_OOB_DONE, &phy->ha->event_lock,
- &phy->phy_events_pending);
+ clear_bit(PHYE_OOB_DONE, &phy->phy_events_pending);
phy->error = 0;
}
static void sas_phye_oob_error(struct work_struct *work)
{
- struct asd_sas_event *ev =
- container_of(work, struct asd_sas_event, work);
+ struct asd_sas_event *ev = to_asd_sas_event(work);
struct asd_sas_phy *phy = ev->phy;
struct sas_ha_struct *sas_ha = phy->ha;
struct asd_sas_port *port = phy->port;
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
- sas_begin_event(PHYE_OOB_ERROR, &phy->ha->event_lock,
- &phy->phy_events_pending);
+ clear_bit(PHYE_OOB_ERROR, &phy->phy_events_pending);
- sas_deform_port(phy);
+ sas_deform_port(phy, 1);
if (!port && phy->enabled && i->dft->lldd_control_phy) {
phy->error++;
@@ -88,20 +82,37 @@ static void sas_phye_oob_error(struct work_struct *work)
static void sas_phye_spinup_hold(struct work_struct *work)
{
- struct asd_sas_event *ev =
- container_of(work, struct asd_sas_event, work);
+ struct asd_sas_event *ev = to_asd_sas_event(work);
struct asd_sas_phy *phy = ev->phy;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *i =
to_sas_internal(sas_ha->core.shost->transportt);
- sas_begin_event(PHYE_SPINUP_HOLD, &phy->ha->event_lock,
- &phy->phy_events_pending);
+ clear_bit(PHYE_SPINUP_HOLD, &phy->phy_events_pending);
phy->error = 0;
i->dft->lldd_control_phy(phy, PHY_FUNC_RELEASE_SPINUP_HOLD, NULL);
}
+static void sas_phye_resume_timeout(struct work_struct *work)
+{
+ struct asd_sas_event *ev = to_asd_sas_event(work);
+ struct asd_sas_phy *phy = ev->phy;
+
+ clear_bit(PHYE_RESUME_TIMEOUT, &phy->phy_events_pending);
+
+ /* phew, lldd got the phy back in the nick of time */
+ if (!phy->suspended) {
+ dev_info(&phy->phy->dev, "resume timeout cancelled\n");
+ return;
+ }
+
+ phy->error = 0;
+ phy->suspended = 0;
+ sas_deform_port(phy, 1);
+}
+
+
/* ---------- Phy class registration ---------- */
int sas_register_phys(struct sas_ha_struct *sas_ha)
@@ -113,6 +124,8 @@ int sas_register_phys(struct sas_ha_struct *sas_ha)
[PHYE_OOB_DONE] = sas_phye_oob_done,
[PHYE_OOB_ERROR] = sas_phye_oob_error,
[PHYE_SPINUP_HOLD] = sas_phye_spinup_hold,
+ [PHYE_RESUME_TIMEOUT] = sas_phye_resume_timeout,
+
};
static const work_func_t sas_port_event_fns[PORT_NUM_EVENTS] = {
@@ -131,14 +144,12 @@ int sas_register_phys(struct sas_ha_struct *sas_ha)
phy->error = 0;
INIT_LIST_HEAD(&phy->port_phy_el);
for (k = 0; k < PORT_NUM_EVENTS; k++) {
- INIT_WORK(&phy->port_events[k].work,
- sas_port_event_fns[k]);
+ INIT_SAS_WORK(&phy->port_events[k].work, sas_port_event_fns[k]);
phy->port_events[k].phy = phy;
}
for (k = 0; k < PHY_NUM_EVENTS; k++) {
- INIT_WORK(&phy->phy_events[k].work,
- sas_phy_event_fns[k]);
+ INIT_SAS_WORK(&phy->phy_events[k].work, sas_phy_event_fns[k]);
phy->phy_events[k].phy = phy;
}
@@ -148,8 +159,7 @@ int sas_register_phys(struct sas_ha_struct *sas_ha)
spin_lock_init(&phy->sas_prim_lock);
phy->frame_rcvd_size = 0;
- phy->phy = sas_phy_alloc(&sas_ha->core.shost->shost_gendev,
- i);
+ phy->phy = sas_phy_alloc(&sas_ha->core.shost->shost_gendev, i);
if (!phy->phy)
return -ENOMEM;