RDMA/hns: Skip qp_flow_control_init() for HIP09

Since HIP09 does not require this function, it should be masked.

Link: https://lore.kernel.org/r/1612517974-31867-7-git-send-email-liweihang@huawei.comSigned-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -5235,6 +5235,9 @@ static int hns_roce_v2_qp_flow_control_init(struct hns_roce_dev *hr_dev,
 	struct hns_roce_cmq_desc desc;
 	int ret, i;
 
+	if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09)
+		return 0;
+
 	mutex_lock(&hr_dev->qp_table.scc_mutex);
 
 	/* set scc ctx clear done flag */