[SCSI] isci: kill iphy->isci_port lookups

This field is a holdover from the OS abstraction conversion.  The stable
phy to port lookups are done via iphy->ownining_port under scic_lock.
After this conversion to use port->lldd_port the only volatile lookup is
the initial lookup in isci_port_formed().  After that point any lookup
via a successfully notified domain_device is guaranteed to be valid
until the domain_device is destroyed.

Delete ->start_complete as it is only set once and is set as a
consequence of the port going link up, by definition of getting a port
formed event the port is "ready".

While we are correcting port lookups also move the asd_sas_port table
out from under the isci_port.  This is to preclude any temptation to use
container_of() to convert an asd_sas_port to an isci_port, the
association is dynamic and under libsas control.

Tested-by: Maciej Trela <maciej.trela@intel.com>
[dmilburn@redhat.com: fix i686 compile error]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 7ba236e9fab2..c20fda090423 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -241,18 +241,13 @@ static int isci_register_sas_ha(struct isci_host *isci_host)
 	if (!sas_ports)
 		return -ENOMEM;
 
-	/*----------------- Libsas Initialization Stuff----------------------
-	 * Set various fields in the sas_ha struct:
-	 */
-
 	sas_ha->sas_ha_name = DRV_NAME;
 	sas_ha->lldd_module = THIS_MODULE;
 	sas_ha->sas_addr    = &isci_host->phys[0].sas_addr[0];
 
-	/* set the array of phy and port structs.  */
 	for (i = 0; i < SCI_MAX_PHYS; i++) {
 		sas_phys[i] = &isci_host->phys[i].sas_phy;
-		sas_ports[i] = &isci_host->ports[i].sas_port;
+		sas_ports[i] = &isci_host->sas_ports[i];
 	}
 
 	sas_ha->sas_phy  = sas_phys;