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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>
hifive-unleashed-5.2
Yunsheng Lin 2019-05-06 10:48:51 +08:00 committed by David S. Miller
parent 389ca14615
commit 845e0d1d52
2 changed files with 2 additions and 9 deletions
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2
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
View File

@ -1051,7 +1051,7 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv,
dma = skb_frag_dma_map(dev, frag, 0, size, DMA_TO_DEVICE);
}
if (unlikely(dma_mapping_error(ring->dev, dma))) {
if (unlikely(dma_mapping_error(dev, dma))) {
ring->stats.sw_err_cnt++;
return -ENOMEM;
}

9
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
View File

@ -401,7 +401,6 @@ struct hns3_enet_ring {
struct hns3_enet_ring *next;
struct hns3_enet_tqp_vector *tqp_vector;
struct hnae3_queue *tqp;
char ring_name[HNS3_RING_NAME_LEN];
struct device *dev; /* will be used for DMA mapping of descriptors */
/* statistic */
@ -411,9 +410,6 @@ struct hns3_enet_ring {
dma_addr_t desc_dma_addr;
u32 buf_size; /* size for hnae_desc->addr, preset by AE */
u16 desc_num; /* total number of desc */
u16 max_desc_num_per_pkt;
u16 max_raw_data_sz_per_desc;
u16 max_pkt_size;
int next_to_use; /* idx of next spare desc */
/* idx of lastest sent desc, the ring is empty when equal to
@ -427,9 +423,6 @@ struct hns3_enet_ring {
u32 flag; /* ring attribute */
int numa_node;
cpumask_t affinity_mask;
int pending_buf;
struct sk_buff *skb;
struct sk_buff *tail_skb;
@ -629,7 +622,7 @@ static inline bool hns3_nic_resetting(struct net_device *netdev)
#define hnae3_queue_xmit(tqp, buf_num) writel_relaxed(buf_num, \
(tqp)->io_base + HNS3_RING_TX_RING_TAIL_REG)
#define ring_to_dev(ring) (&(ring)->tqp->handle->pdev->dev)
#define ring_to_dev(ring) ((ring)->dev)
#define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \
DMA_TO_DEVICE : DMA_FROM_DEVICE)