net: hns3: some cleanup for struct hns3_enet_ring
This patch removes some unused field in struct hns3_enet_ring, use ring->dev for ring_to_dev macro, and use dev consistently in hns3_fill_desc. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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