summaryrefslogtreecommitdiff
path: root/drivers/scsi/libsas/sas_internal.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/libsas/sas_internal.h')
-rw-r--r--drivers/scsi/libsas/sas_internal.h29
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 3804aef165ad..03d6ec1eb970 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -145,6 +145,20 @@ static inline void sas_fail_probe(struct domain_device *dev, const char *func, i
func, dev->parent ? "exp-attached" :
"direct-attached",
SAS_ADDR(dev->sas_addr), err);
+
+ /*
+ * If the device probe failed, the expander phy attached address
+ * needs to be reset so that the phy will not be treated as flutter
+ * in the next revalidation
+ */
+ if (dev->parent && !dev_is_expander(dev->dev_type)) {
+ struct sas_phy *phy = dev->phy;
+ struct domain_device *parent = dev->parent;
+ struct ex_phy *ex_phy = &parent->ex_dev.ex_phy[phy->number];
+
+ memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
+ }
+
sas_unregister_dev(dev->port, dev);
}
@@ -189,21 +203,6 @@ 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);