From: Yixian Liu <liuyixian@huawei.com>
Date: Thu, 8 Aug 2019 22:53:44 +0800
Subject: RDMA/hns: Remove unnessary init for cmq reg
Patch-mainline: v5.4-rc1
Git-commit: 2288b3b3b187520d7fef37197c07ca035d9b8111
References: jsc#SLE-8449

There is no need to init the enable bit of cmq.

Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Link: https://lore.kernel.org/r/1565276034-97329-5-git-send-email-oulijun@huawei.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c |    6 ++----
 drivers/infiniband/hw/hns/hns_roce_hw_v2.h |    2 --
 2 files changed, 2 insertions(+), 6 deletions(-)

--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -887,8 +887,7 @@ static void hns_roce_cmq_init_regs(struc
 		roce_write(hr_dev, ROCEE_TX_CMQ_BASEADDR_H_REG,
 			   upper_32_bits(dma));
 		roce_write(hr_dev, ROCEE_TX_CMQ_DEPTH_REG,
-			  (ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S) |
-			   HNS_ROCE_CMQ_ENABLE);
+			   ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S);
 		roce_write(hr_dev, ROCEE_TX_CMQ_HEAD_REG, 0);
 		roce_write(hr_dev, ROCEE_TX_CMQ_TAIL_REG, 0);
 	} else {
@@ -896,8 +895,7 @@ static void hns_roce_cmq_init_regs(struc
 		roce_write(hr_dev, ROCEE_RX_CMQ_BASEADDR_H_REG,
 			   upper_32_bits(dma));
 		roce_write(hr_dev, ROCEE_RX_CMQ_DEPTH_REG,
-			  (ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S) |
-			   HNS_ROCE_CMQ_ENABLE);
+			   ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S);
 		roce_write(hr_dev, ROCEE_RX_CMQ_HEAD_REG, 0);
 		roce_write(hr_dev, ROCEE_RX_CMQ_TAIL_REG, 0);
 	}
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -126,8 +126,6 @@
 #define HNS_ROCE_CMD_FLAG_ERR_INTR	BIT(HNS_ROCE_CMD_FLAG_ERR_INTR_SHIFT)
 
 #define HNS_ROCE_CMQ_DESC_NUM_S		3
-#define HNS_ROCE_CMQ_EN_B		16
-#define HNS_ROCE_CMQ_ENABLE		BIT(HNS_ROCE_CMQ_EN_B)
 
 #define HNS_ROCE_CMQ_SCC_CLR_DONE_CNT		5