[SCSI] ipr: Handle UA on disk array following an adapter reset

On certain ipr RAID adapters, which are capable of multi-initiator
configurations, the disk array, or VSET, resources will be in a POR
Unit Attention state following an adapter reset. In order for the
midlayer to handle the UA, I must report a bus reset to the logical
disk array bus at the end of an adapter reset.
Signed-off-by: NBrian King <brking@linux.vnet.ibm.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/ipr.c

@@ -5373,6 +5373,7 @@ static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd)
 			ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb);
 	}
 
+	scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS);
 	dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n");
 
 	ioa_cfg->reset_retries = 0;