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authorEdmund Nadolski <edmund.nadolski@intel.com>2011-05-19 20:26:02 -0700
committerDan Williams <dan.j.williams@intel.com>2011-07-03 04:04:49 -0700
commitbb3dbdf6c835a145e46119ed18a920a774694583 (patch)
tree0ce8f5823212a451a705d83008d23c89f363068f
parent6cb5853d3e252015eaf72d3761491e3da959556d (diff)
downloadop-kernel-dev-bb3dbdf6c835a145e46119ed18a920a774694583.zip
op-kernel-dev-bb3dbdf6c835a145e46119ed18a920a774694583.tar.gz
isci: convert phy_startup_timer to sci_timer
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
-rw-r--r--drivers/scsi/isci/host.c70
-rw-r--r--drivers/scsi/isci/host.h11
2 files changed, 34 insertions, 47 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 156b375..e79f35d 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -917,21 +917,6 @@ static void scic_sds_controller_transition_to_ready(
}
}
-static void scic_sds_controller_phy_timer_stop(struct scic_sds_controller *scic)
-{
- isci_timer_stop(scic->phy_startup_timer);
-
- scic->phy_startup_timer_pending = false;
-}
-
-static void scic_sds_controller_phy_timer_start(struct scic_sds_controller *scic)
-{
- isci_timer_start(scic->phy_startup_timer,
- SCIC_SDS_CONTROLLER_PHY_START_TIMEOUT);
-
- scic->phy_startup_timer_pending = true;
-}
-
static bool is_phy_starting(struct scic_sds_phy *sci_phy)
{
enum scic_sds_phy_states state;
@@ -1008,7 +993,8 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
* Inform the SCI Core user and transition to the READY state. */
if (is_controller_start_complete == true) {
scic_sds_controller_transition_to_ready(scic, SCI_SUCCESS);
- scic_sds_controller_phy_timer_stop(scic);
+ sci_del_timer(&scic->phy_timer);
+ scic->phy_startup_timer_pending = false;
}
} else {
sci_phy = &ihost->phys[scic->next_phy_to_start].sci;
@@ -1033,7 +1019,9 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
status = scic_sds_phy_start(sci_phy);
if (status == SCI_SUCCESS) {
- scic_sds_controller_phy_timer_start(scic);
+ sci_mod_timer(&scic->phy_timer,
+ SCIC_SDS_CONTROLLER_PHY_START_TIMEOUT);
+ scic->phy_startup_timer_pending = true;
} else {
dev_warn(scic_to_dev(scic),
"%s: Controller stop operation failed "
@@ -1050,15 +1038,27 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
return status;
}
-static void scic_sds_controller_phy_startup_timeout_handler(void *_scic)
+static void phy_startup_timeout(unsigned long data)
{
- struct scic_sds_controller *scic = _scic;
+ struct sci_timer *tmr = (struct sci_timer *)data;
+ struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), phy_timer);
+ struct isci_host *ihost = scic_to_ihost(scic);
+ unsigned long flags;
enum sci_status status;
+ spin_lock_irqsave(&ihost->scic_lock, flags);
+
+ if (tmr->cancel)
+ goto done;
+
scic->phy_startup_timer_pending = false;
- status = SCI_FAILURE;
- while (status != SCI_SUCCESS)
+
+ do {
status = scic_sds_controller_start_next_phy(scic);
+ } while (status != SCI_SUCCESS);
+
+done:
+ spin_unlock_irqrestore(&ihost->scic_lock, flags);
}
static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
@@ -1378,6 +1378,8 @@ void isci_host_deinit(struct isci_host *ihost)
del_timer_sync(&ihost->sci.timer.timer);
+ del_timer_sync(&ihost->sci.phy_timer.timer);
+
isci_timer_list_destroy(ihost);
}
@@ -1931,24 +1933,6 @@ void scic_oem_parameters_get(
memcpy(scic_parms, (&scic->oem_parameters), sizeof(*scic_parms));
}
-static enum sci_status scic_sds_controller_initialize_phy_startup(struct scic_sds_controller *scic)
-{
- struct isci_host *ihost = scic_to_ihost(scic);
-
- scic->phy_startup_timer = isci_timer_create(ihost,
- scic,
- scic_sds_controller_phy_startup_timeout_handler);
-
- if (scic->phy_startup_timer == NULL)
- return SCI_FAILURE_INSUFFICIENT_RESOURCES;
- else {
- scic->next_phy_to_start = 0;
- scic->phy_startup_timer_pending = false;
- }
-
- return SCI_SUCCESS;
-}
-
static void power_control_timeout(unsigned long data)
{
struct sci_timer *tmr = (struct sci_timer *)data;
@@ -2258,7 +2242,10 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
sci_base_state_machine_change_state(sm, SCI_BASE_CONTROLLER_STATE_INITIALIZING);
- scic_sds_controller_initialize_phy_startup(scic);
+ sci_init_timer(&scic->phy_timer, phy_startup_timeout);
+
+ scic->next_phy_to_start = 0;
+ scic->phy_startup_timer_pending = false;
scic_sds_controller_initialize_power_control(scic);
@@ -2640,7 +2627,8 @@ void scic_sds_controller_link_up(struct scic_sds_controller *scic,
{
switch (scic->state_machine.current_state_id) {
case SCI_BASE_CONTROLLER_STATE_STARTING:
- scic_sds_controller_phy_timer_stop(scic);
+ sci_del_timer(&scic->phy_timer);
+ scic->phy_startup_timer_pending = false;
scic->port_agent.link_up_handler(scic, &scic->port_agent,
port, phy);
scic_sds_controller_start_next_phy(scic);
diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h
index 8080866..9fd47b4 100644
--- a/drivers/scsi/isci/host.h
+++ b/drivers/scsi/isci/host.h
@@ -271,15 +271,14 @@ struct scic_sds_controller {
/* Phy Startup Data */
/**
- * This field is the driver timer handle for controller phy request startup.
- * On controller start the controller will start each PHY individually in
- * order of phy index.
+ * Timer for controller phy request startup. On controller start the
+ * controller will start each PHY individually in order of phy index.
*/
- void *phy_startup_timer;
+ struct sci_timer phy_timer;
/**
- * This field is set when the phy_startup_timer is running and is cleared when
- * the phy_startup_timer is stopped.
+ * This field is set when the phy_timer is running and is cleared when
+ * the phy_timer is stopped.
*/
bool phy_startup_timer_pending;
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