scsi: aacraid: Fixed expander hotplug for SMART family
authorRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Wed, 22 Feb 2017 15:23:13 +0000 (07:23 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 23 Feb 2017 22:02:15 +0000 (17:02 -0500)
Current driver Hotplug processing code skips over Enclosure channel,
therefore any addition/removal of expander enclosure is not processed.
Additionally device addition code relies on older device type, which
prevents the hotplug of adapter expanders.

Fixed by removing code that skips over Enclosure channels and using the
latest device type for addition or removal or enclosure expanders.

Fixes: 6223a39fe6fbbeef (scsi: aacraid: Added support for hotplug)
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/aacraid/commsup.c

index a2ea70d..1994c74 100644 (file)
@@ -1908,9 +1908,6 @@ static void aac_resolve_luns(struct aac_dev *dev)
        for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
                for (target = 0; target < AAC_MAX_TARGETS; target++) {
 
-                       if (aac_phys_to_logical(bus) == ENCLOSURE_CHANNEL)
-                               continue;
-
                        if (bus == CONTAINER_CHANNEL)
                                channel = CONTAINER_CHANNEL;
                        else
@@ -1922,7 +1919,7 @@ static void aac_resolve_luns(struct aac_dev *dev)
                        sdev = scsi_device_lookup(dev->scsi_host_ptr, channel,
                                        target, 0);
 
-                       if (!sdev && devtype)
+                       if (!sdev && new_devtype)
                                scsi_add_device(dev->scsi_host_ptr, channel,
                                                target, 0);
                        else if (sdev && new_devtype != devtype)