netdev - [PATCH net-next 7/9] net: hns3: Remove tx ring BD len register in hns3

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Date:   Sun, 12 Aug 2018 10:47:36 +0100
From:   Salil Mehta <salil.mehta@...wei.com>
To:     <davem@...emloft.net>
CC:     <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
        <lipeng321@...wei.com>, <mehta.salil.lnk@...il.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, Yunsheng Lin <linyunsheng@...wei.com>
Subject: [PATCH net-next 7/9] net: hns3: Remove tx ring BD len register in hns3_enet

From: Yunsheng Lin <linyunsheng@...wei.com>

There is no HNS3_RING_TX_RING_BD_LEN_REG register according
to UM, so this patch removes it.

Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 --
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 1 -
 2 files changed, 3 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index a64d69c87f13..b7b9ee3f4d20 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2969,8 +2969,6 @@ static void hns3_init_ring_hw(struct hns3_enet_ring *ring)
 		hns3_write_dev(q, HNS3_RING_TX_RING_BASEADDR_H_REG,
 			       (u32)((dma >> 31) >> 1));
 
-		hns3_write_dev(q, HNS3_RING_TX_RING_BD_LEN_REG,
-			       hns3_buf_size2type(ring->buf_size));
 		hns3_write_dev(q, HNS3_RING_TX_RING_BD_NUM_REG,
 			       ring->desc_num / 8 - 1);
 	}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index e4b4a8f2ceaa..0f071a0f4ff9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -37,7 +37,6 @@ enum hns3_nic_state {
 #define HNS3_RING_TX_RING_BASEADDR_L_REG	0x00040
 #define HNS3_RING_TX_RING_BASEADDR_H_REG	0x00044
 #define HNS3_RING_TX_RING_BD_NUM_REG		0x00048
-#define HNS3_RING_TX_RING_BD_LEN_REG		0x0004C
 #define HNS3_RING_TX_RING_TAIL_REG		0x00058
 #define HNS3_RING_TX_RING_HEAD_REG		0x0005C
 #define HNS3_RING_TX_RING_FBDNUM_REG		0x00060
-- 
2.11.0