[PATCH v6 2/4] scsi: libsas: Move sas_add_parent_port() to sas_expander.c

Xingui Yang
2024-03-12T14:12:45Z

Move sas_add_parent_port() to sas_expander.c and rename it to
sas_ex_add_parent_port() as it is only used in this file.

Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
---
drivers/scsi/libsas/sas_expander.c | 19 +++++++++++++++++--
drivers/scsi/libsas/sas_internal.h | 15 ---------------
2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index c8d4aef2f567..f28a83803947 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -33,6 +33,21 @@ static void sas_port_add_ex_phy(struct sas_port *port, struct ex_phy *ex_phy)
ex_phy->phy_state = PHY_DEVICE_DISCOVERED;
}

+static void sas_ex_add_parent_port(struct domain_device *dev, int phy_id)
+{
+ struct expander_device *ex = &dev->ex_dev;
+ struct ex_phy *ex_phy = &ex->ex_phy[phy_id];
+
+ if (!ex->parent_port) {
+ ex->parent_port = sas_port_alloc(&dev->rphy->dev, phy_id);
+ /* FIXME: error handling */
+ BUG_ON(!ex->parent_port);
+ BUG_ON(sas_port_add(ex->parent_port));
+ sas_port_mark_backlink(ex->parent_port);
+ }
+ sas_port_add_phy(ex->parent_port, ex_phy->phy);
+}
+
/* ---------- SMP task management ---------- */

/* Give it some long enough timeout. In seconds. */
@@ -978,11 +993,11 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)

/* Parent and domain coherency */
if (!dev->parent && sas_phy_match_port_addr(dev->port, ex_phy)) {
- sas_add_parent_port(dev, phy_id);
+ sas_ex_add_parent_port(dev, phy_id);
return 0;
}
if (dev->parent && sas_phy_match_dev_addr(dev->parent, ex_phy)) {
- sas_add_parent_port(dev, phy_id);
+ sas_ex_add_parent_port(dev, phy_id);
if (ex_phy->routing_attr == TABLE_ROUTING)
sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1);
return 0;
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 3804aef165ad..85948963fb97 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -189,21 +189,6 @@ static inline void sas_phy_set_target(struct asd_sas_phy *p, struct domain_devic
}
}

-static inline void sas_add_parent_port(struct domain_device *dev, int phy_id)
-{
- struct expander_device *ex = &dev->ex_dev;
- struct ex_phy *ex_phy = &ex->ex_phy[phy_id];
-
- if (!ex->parent_port) {
- ex->parent_port = sas_port_alloc(&dev->rphy->dev, phy_id);
- /* FIXME: error handling */
- BUG_ON(!ex->parent_port);
- BUG_ON(sas_port_add(ex->parent_port));
- sas_port_mark_backlink(ex->parent_port);
- }
- sas_port_add_phy(ex->parent_port, ex_phy->phy);
-}
-
static inline struct domain_device *sas_alloc_device(void)
{
struct domain_device *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
--
2.17.1