Fuctions which are not used are removed by this patch.
Consider patch 4 and 5 as same logical patch
---
Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxx>
---
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 1fe3333..47f645d 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -365,20 +365,6 @@ static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
}
-static struct mptsas_portinfo *
-mptsas_get_hba_portinfo(MPT_ADAPTER *ioc)
-{
- struct list_head *head = &ioc->sas_topology;
- struct mptsas_portinfo *pi = NULL;
-
- /* always the first entry on sas_topology list */
-
- if (!list_empty(head))
- pi = list_entry(head->next, struct mptsas_portinfo, list);
-
- return pi;
-}
-
/*
* mptsas_find_portinfo_by_handle
*
@@ -3060,183 +3046,6 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
return error;
}
-static int
-mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle)
-{
- struct mptsas_portinfo *port_info, *p, *ex;
- struct device *parent;
- struct sas_rphy *rphy;
- int error = -ENOMEM, i, j;
-
- ex = kzalloc(sizeof(*port_info), GFP_KERNEL);
- if (!ex)
- goto out;
-
- error = mptsas_sas_expander_pg0(ioc, ex,
- (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
- MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle);
- if (error)
- goto out_free_port_info;
-
- *handle = ex->phy_info[0].handle;
-
- mutex_lock(&ioc->sas_topology_mutex);
- port_info = mptsas_find_portinfo_by_handle(ioc, *handle);
- if (!port_info) {
- port_info = ex;
- list_add_tail(&port_info->list, &ioc->sas_topology);
- } else {
- for (i = 0; i < ex->num_phys; i++) {
- port_info->phy_info[i].handle =
- ex->phy_info[i].handle;
- port_info->phy_info[i].port_id =
- ex->phy_info[i].port_id;
- }
- kfree(ex->phy_info);
- kfree(ex);
- ex = NULL;
- }
- mutex_unlock(&ioc->sas_topology_mutex);
-
- for (i = 0; i < port_info->num_phys; i++) {
- mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
- (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
- MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + *handle);
-
- if (port_info->phy_info[i].identify.handle) {
- mptsas_sas_device_pg0(ioc,
- &port_info->phy_info[i].identify,
- (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
- MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
- port_info->phy_info[i].identify.handle);
- port_info->phy_info[i].identify.phy_id =
- port_info->phy_info[i].phy_id;
- }
-
- if (port_info->phy_info[i].attached.handle) {
- mptsas_sas_device_pg0(ioc,
- &port_info->phy_info[i].attached,
- (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
- MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
- port_info->phy_info[i].attached.handle);
- port_info->phy_info[i].attached.phy_id =
- port_info->phy_info[i].phy_id;
- }
- }
-
- parent = &ioc->sh->shost_gendev;
- for (i = 0; i < port_info->num_phys; i++) {
- mutex_lock(&ioc->sas_topology_mutex);
- list_for_each_entry(p, &ioc->sas_topology, list) {
- for (j = 0; j < p->num_phys; j++) {
- if (port_info->phy_info[i].identify.handle !=
- p->phy_info[j].attached.handle)
- continue;
- rphy = mptsas_get_rphy(&p->phy_info[j]);
- parent = &rphy->dev;
- }
- }
- mutex_unlock(&ioc->sas_topology_mutex);
- }
-
- mptsas_setup_wide_ports(ioc, port_info);
-
- for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
- mptsas_probe_one_phy(parent, &port_info->phy_info[i],
- ioc->sas_index, 0);
-
- return 0;
-
- out_free_port_info:
- if (ex) {
- kfree(ex->phy_info);
- kfree(ex);
- }
- out:
- return error;
-}
-
-/*
- * mptsas_delete_expander_phys
- *
- *
- * This will traverse topology, and remove expanders
- * that are no longer present
- */
-static void
-mptsas_delete_expander_phys(MPT_ADAPTER *ioc)
-{
- struct mptsas_portinfo buffer;
- struct mptsas_portinfo *port_info, *n, *parent;
- struct mptsas_phyinfo *phy_info;
- struct sas_port * port;
- int i;
- u64 expander_sas_address;
-
- mutex_lock(&ioc->sas_topology_mutex);
- list_for_each_entry_safe(port_info, n, &ioc->sas_topology, list) {
-
- if (port_info->phy_info &&
- (!(port_info->phy_info[0].identify.device_info &
- MPI_SAS_DEVICE_INFO_SMP_TARGET)))
- continue;
-
- if (mptsas_sas_expander_pg0(ioc, &buffer,
- (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
- MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
- port_info->phy_info[0].handle)) {
-
- /*
- * Obtain the port_info instance to the parent port
- */
- parent = mptsas_find_portinfo_by_handle(ioc,
- port_info->phy_info[0].identify.handle_parent);
-
- if (!parent)
- goto next_port;
-
- expander_sas_address =
- port_info->phy_info[0].identify.sas_address;
-
- /*
- * Delete rphys in the parent that point
- * to this expander. The transport layer will
- * cleanup all the children.
- */
- phy_info = parent->phy_info;
- for (i = 0; i < parent->num_phys; i++, phy_info++) {
- port = mptsas_get_port(phy_info);
- if (!port)
- continue;
- if (phy_info->attached.sas_address !=
- expander_sas_address)
- continue;
- dsaswideprintk(ioc,
- dev_printk(KERN_DEBUG, &port->dev,
- MYIOC_s_FMT "delete port (%d)\n", ioc->name,
- port->port_identifier));
- sas_port_delete(port);
- mptsas_port_delete(ioc, phy_info->port_details);
- }
- next_port:
-
- phy_info = port_info->phy_info;
- for (i = 0; i < port_info->num_phys; i++, phy_info++)
- mptsas_port_delete(ioc, phy_info->port_details);
-
- list_del(&port_info->list);
- kfree(port_info->phy_info);
- kfree(port_info);
- }
- /*
- * Free this memory allocated from inside
- * mptsas_sas_expander_pg0
- */
- kfree(buffer.phy_info);
- }
- mutex_unlock(&ioc->sas_topology_mutex);
-}
-
static void
mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
{
@@ -3741,43 +3550,6 @@ mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
}
}
-/*
- * Work queue thread to handle Runtime discovery
- * Mere purpose is the hot add/delete of expanders
- *(Mutex UNLOCKED)
- */
-static void
-__mptsas_discovery_work(MPT_ADAPTER *ioc)
-{
- u32 handle = 0xFFFF;
-
- ioc->sas_discovery_runtime=1;
- mptsas_delete_expander_phys(ioc);
- mptsas_probe_hba_phys(ioc);
- while (!mptsas_probe_expander_phys(ioc, &handle))
- ;
- ioc->sas_discovery_runtime=0;
-}
-
-/*
- * Work queue thread to handle Runtime discovery
- * Mere purpose is the hot add/delete of expanders
- *(Mutex LOCKED)
- */
-static void
-mptsas_discovery_work(struct work_struct *work)
-{
- struct mptsas_discovery_event *ev =
- container_of(work, struct mptsas_discovery_event, work);
- MPT_ADAPTER *ioc = ev->ioc;
-
- mutex_lock(&ioc->sas_discovery_mutex);
- __mptsas_discovery_work(ioc);
- mutex_unlock(&ioc->sas_discovery_mutex);
- kfree(ev);
-}
-
-
static struct mptsas_phyinfo *
mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
{
@@ -4327,33 +4099,6 @@ mptsas_send_raid_event(struct fw_event_work *fw_event)
mptsas_free_fw_event(ioc, fw_event);
}
-static void
-mptsas_send_discovery_event(MPT_ADAPTER *ioc,
- EVENT_DATA_SAS_DISCOVERY *discovery_data)
-{
- struct mptsas_discovery_event *ev;
- u32 discovery_status;
-
- /*
- * DiscoveryStatus
- *
- * This flag will be non-zero when firmware
- * kicks off discovery, and return to zero
- * once its completed.
- */
- discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
- ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
- if (discovery_status)
- return;
-
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev)
- return;
- INIT_WORK(&ev->work, mptsas_discovery_work);
- ev->ioc = ioc;
- schedule_work(&ev->work);
-};
-
/*
* mptsas_send_ir2_event - handle exposing hidden disk when
* an inactive raid volume is added
--
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