net: hns: remove useless variable assignment and comment

The variable head in hns_nic_tx_fini_pro has read a value, but it is
obviously no use. The patch will fix it.
And the comment is nothing to do with the routine, so it has to be removed

Signed-off-by: Qianqian Xie <xieqianqian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Qianqian Xie 2016-03-24 19:08:03 +08:00 committed by David S. Miller
parent 055a94177d
commit 1c3bae6e47
1 changed files with 1 additions and 4 deletions
drivers/net/ethernet/hisilicon/hns

View File

@ -913,10 +913,7 @@ static int hns_nic_tx_poll_one(struct hns_nic_ring_data *ring_data,
static void hns_nic_tx_fini_pro(struct hns_nic_ring_data *ring_data)
{
struct hnae_ring *ring = ring_data->ring;
int head = ring->next_to_clean;
/* for hardware bug fixed */
head = readl_relaxed(ring->io_base + RCB_REG_HEAD);
int head = readl_relaxed(ring->io_base + RCB_REG_HEAD);
if (head != ring->next_to_clean) {
ring_data->ring->q->handle->dev->ops->toggle_ring_irq(