Currently all the three HBA (v1/v2/v3 HW) share the same host attributes.
To support each HBA having separate attributes in future, create per-HBA
attributes.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 extern int hisi_sas_slave_configure(struct scsi_device *sdev);
 extern int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time);
 extern void hisi_sas_scan_start(struct Scsi_Host *shost);
-extern struct device_attribute *host_attrs[];
 extern int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type);
 extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy);
 extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
 
 struct scsi_transport_template *hisi_sas_stt;
 EXPORT_SYMBOL_GPL(hisi_sas_stt);
 
-struct device_attribute *host_attrs[] = {
-       &dev_attr_phy_event_threshold,
-       NULL,
-};
-EXPORT_SYMBOL_GPL(host_attrs);
-
 static struct sas_domain_function_template hisi_sas_transport_ops = {
        .lldd_dev_found         = hisi_sas_dev_found,
        .lldd_dev_gone          = hisi_sas_dev_gone,
 
        return 0;
 }
 
+static struct device_attribute *host_attrs_v1_hw[] = {
+       &dev_attr_phy_event_threshold,
+       NULL
+};
+
 static struct scsi_host_template sht_v1_hw = {
        .name                   = DRV_NAME,
        .module                 = THIS_MODULE,
        .eh_target_reset_handler = sas_eh_target_reset_handler,
        .target_destroy         = sas_target_destroy,
        .ioctl                  = sas_ioctl,
-       .shost_attrs            = host_attrs,
+       .shost_attrs            = host_attrs_v1_hw,
 };
 
 static const struct hisi_sas_hw hisi_sas_v1_hw = {
 
        dev_dbg(dev, "wait commands complete %dms\n", time);
 }
 
+struct device_attribute *host_attrs_v2_hw[] = {
+       &dev_attr_phy_event_threshold,
+       NULL
+};
+
 static struct scsi_host_template sht_v2_hw = {
        .name                   = DRV_NAME,
        .module                 = THIS_MODULE,
        .eh_target_reset_handler = sas_eh_target_reset_handler,
        .target_destroy         = sas_target_destroy,
        .ioctl                  = sas_ioctl,
-       .shost_attrs            = host_attrs,
+       .shost_attrs            = host_attrs_v2_hw,
 };
 
 static const struct hisi_sas_hw hisi_sas_v2_hw = {
 
        dev_dbg(dev, "wait commands complete %dms\n", time);
 }
 
+struct device_attribute *host_attrs_v3_hw[] = {
+       &dev_attr_phy_event_threshold,
+       NULL
+};
+
 static struct scsi_host_template sht_v3_hw = {
        .name                   = DRV_NAME,
        .module                 = THIS_MODULE,
        .eh_target_reset_handler = sas_eh_target_reset_handler,
        .target_destroy         = sas_target_destroy,
        .ioctl                  = sas_ioctl,
-       .shost_attrs            = host_attrs,
+       .shost_attrs            = host_attrs_v3_hw,
        .tag_alloc_policy       = BLK_TAG_ALLOC_RR,
 };