net: hns3: minor optimization for ring_space
authorYunsheng Lin <linyunsheng@huawei.com>
Thu, 4 Apr 2019 08:17:52 +0000 (16:17 +0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 4 Apr 2019 17:20:38 +0000 (10:20 -0700)
commit0aa3d88a9197fd7176dbaf5db769837be6afdf46
tree946e230d1941e1b8b12879e32716529d8c46053b
parent72110b567479f0282489a9b3747e76d8c67d75f5
net: hns3: minor optimization for ring_space

This patch optimizes the ring_space by calculating the
ring space without calling ring_dist.

Also ring_dist is only used by ring_space, so this patch
removes it when it is no longer used.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h