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net: hns3: Remove tx ring BD len register in hns3_enet

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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@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yunsheng Lin 2018-08-14 17:13:17 +01:00 committed by David S. Miller
parent 128b900de7
commit 26a07ccc1d
2 changed files with 0 additions and 3 deletions
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2
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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@ -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);
}

1
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
View File

@ -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