RDMA/hns: Remove unused function to_hns_roce_state()

This function is only used in HIP06, which has been removed. So remove it.

Link: https://lore.kernel.org/r/20220409083254.9696-3-liangwenpeng@huawei.comSigned-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hns/hns_roce_device.h

@@ -106,16 +106,6 @@ enum {
 	SERV_TYPE_XRC = 5,
 };
 
-enum hns_roce_qp_state {
-	HNS_ROCE_QP_STATE_RST,
-	HNS_ROCE_QP_STATE_INIT,
-	HNS_ROCE_QP_STATE_RTR,
-	HNS_ROCE_QP_STATE_RTS,
-	HNS_ROCE_QP_STATE_SQD,
-	HNS_ROCE_QP_STATE_ERR,
-	HNS_ROCE_QP_NUM_STATE,
-};
-
 enum hns_roce_event {
 	HNS_ROCE_EVENT_TYPE_PATH_MIG                  = 0x01,
 	HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED           = 0x02,
@@ -1191,7 +1181,6 @@ void *hns_roce_get_send_wqe(struct hns_roce_qp *hr_qp, unsigned int n);
 void *hns_roce_get_extend_sge(struct hns_roce_qp *hr_qp, unsigned int n);
 bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, u32 nreq,
 			  struct ib_cq *ib_cq);
-enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state);
 void hns_roce_lock_cqs(struct hns_roce_cq *send_cq,
 		       struct hns_roce_cq *recv_cq);
 void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq,

drivers/infiniband/hw/hns/hns_roce_qp.c

@@ -243,26 +243,6 @@ static int alloc_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
 	return 0;
 }
 
-enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state)
-{
-	switch (state) {
-	case IB_QPS_RESET:
-		return HNS_ROCE_QP_STATE_RST;
-	case IB_QPS_INIT:
-		return HNS_ROCE_QP_STATE_INIT;
-	case IB_QPS_RTR:
-		return HNS_ROCE_QP_STATE_RTR;
-	case IB_QPS_RTS:
-		return HNS_ROCE_QP_STATE_RTS;
-	case IB_QPS_SQD:
-		return HNS_ROCE_QP_STATE_SQD;
-	case IB_QPS_ERR:
-		return HNS_ROCE_QP_STATE_ERR;
-	default:
-		return HNS_ROCE_QP_NUM_STATE;
-	}
-}
-
 static void add_qp_to_list(struct hns_roce_dev *hr_dev,
 			   struct hns_roce_qp *hr_qp,
 			   struct ib_cq *send_cq, struct ib_cq *recv_cq)