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path: root/drivers/scsi/isci/port_config.c
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Diffstat (limited to 'drivers/scsi/isci/port_config.c')
-rw-r--r--drivers/scsi/isci/port_config.c48
1 files changed, 27 insertions, 21 deletions
diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c
index 38a99d28114..ac879745ef8 100644
--- a/drivers/scsi/isci/port_config.c
+++ b/drivers/scsi/isci/port_config.c
@@ -57,7 +57,7 @@
#define SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT (10)
#define SCIC_SDS_APC_RECONFIGURATION_TIMEOUT (10)
-#define SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION (100)
+#define SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION (1000)
enum SCIC_SDS_APC_ACTIVITY {
SCIC_SDS_APC_SKIP_PHY,
@@ -311,9 +311,9 @@ sci_mpc_agent_validate_phy_configuration(struct isci_host *ihost,
&ihost->phys[phy_index]);
assigned_phy_mask |= (1 << phy_index);
+ phy_index++;
}
- phy_index++;
}
return sci_port_configuration_agent_validate_ports(ihost, port_agent);
@@ -466,6 +466,19 @@ sci_apc_agent_validate_phy_configuration(struct isci_host *ihost,
return sci_port_configuration_agent_validate_ports(ihost, port_agent);
}
+/*
+ * This routine will restart the automatic port configuration timeout
+ * timer for the next time period. This could be caused by either a link
+ * down event or a link up event where we can not yet tell to which a phy
+ * belongs.
+ */
+static void sci_apc_agent_start_timer(struct sci_port_configuration_agent *port_agent,
+ u32 timeout)
+{
+ port_agent->timer_pending = true;
+ sci_mod_timer(&port_agent->timer, timeout);
+}
+
static void sci_apc_agent_configure_ports(struct isci_host *ihost,
struct sci_port_configuration_agent *port_agent,
struct isci_phy *iphy,
@@ -565,17 +578,8 @@ static void sci_apc_agent_configure_ports(struct isci_host *ihost,
break;
case SCIC_SDS_APC_START_TIMER:
- /*
- * This can occur for either a link down event, or a link
- * up event where we cannot yet tell the port to which a
- * phy belongs.
- */
- if (port_agent->timer_pending)
- sci_del_timer(&port_agent->timer);
-
- port_agent->timer_pending = true;
- sci_mod_timer(&port_agent->timer,
- SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION);
+ sci_apc_agent_start_timer(port_agent,
+ SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION);
break;
case SCIC_SDS_APC_SKIP_PHY:
@@ -607,16 +611,10 @@ static void sci_apc_agent_link_up(struct isci_host *ihost,
if (!iport) {
/* the phy is not the part of this port */
port_agent->phy_ready_mask |= 1 << phy_index;
- sci_apc_agent_configure_ports(ihost, port_agent, iphy, true);
+ sci_apc_agent_start_timer(port_agent,
+ SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION);
} else {
/* the phy is already the part of the port */
- u32 port_state = iport->sm.current_state_id;
-
- /* if the PORT'S state is resetting then the link up is from
- * port hard reset in this case, we need to tell the port
- * that link up is recieved
- */
- BUG_ON(port_state != SCI_PORT_RESETTING);
port_agent->phy_ready_mask |= 1 << phy_index;
sci_port_link_up(iport, iphy);
}
@@ -688,6 +686,9 @@ static void apc_agent_timeout(unsigned long data)
&ihost->phys[index], false);
}
+ if (is_controller_start_complete(ihost))
+ sci_controller_transition_to_ready(ihost, SCI_SUCCESS);
+
done:
spin_unlock_irqrestore(&ihost->scic_lock, flags);
}
@@ -723,6 +724,11 @@ void sci_port_configuration_agent_construct(
}
}
+bool is_port_config_apc(struct isci_host *ihost)
+{
+ return ihost->port_agent.link_up_handler == sci_apc_agent_link_up;
+}
+
enum sci_status sci_port_configuration_agent_initialize(
struct isci_host *ihost,
struct sci_port_configuration_agent *port_agent)