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RDMA/hns: Remove redundant 'phy_addr' in hns_roce_hem_list_find_mtt() 

This parameter has never been used. Remove it to simplify the function.

Link: https://lore.kernel.org/r/20220922123315.3732205-8-xuhaoyue1@hisilicon.com
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Chengchang Tang 2022-09-22 20:33:10 +08:00 committed by Jason Gunthorpe
parent 29dc063596
commit 5f652387c5
3 changed files with 4 additions and 9 deletions
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7
drivers/infiniband/hw/hns/hns_roce_hem.c
View File

@ -1462,19 +1462,17 @@ void hns_roce_hem_list_init(struct hns_roce_hem_list *hem_list)
void *hns_roce_hem_list_find_mtt(struct hns_roce_dev *hr_dev,
struct hns_roce_hem_list *hem_list,
int offset, int *mtt_cnt, u64 *phy_addr)
int offset, int *mtt_cnt)
{
struct list_head *head = &hem_list->btm_bt;
struct hns_roce_hem_item *hem, *temp_hem;
void *cpu_base = NULL;
u64 phy_base = 0;
int nr = 0;
list_for_each_entry_safe(hem, temp_hem, head, sibling) {
if (hem_list_page_is_in_range(hem, offset)) {
nr = offset - hem->start;
cpu_base = hem->addr + nr * BA_BYTE_LEN;
phy_base = hem->dma_addr + nr * BA_BYTE_LEN;
nr = hem->end + 1 - offset;
break;
}
@ -1483,8 +1481,5 @@ void *hns_roce_hem_list_find_mtt(struct hns_roce_dev *hr_dev,
if (mtt_cnt)
*mtt_cnt = nr;
if (phy_addr)
*phy_addr = phy_base;
return cpu_base;
}

2
drivers/infiniband/hw/hns/hns_roce_hem.h
View File

@ -131,7 +131,7 @@ void hns_roce_hem_list_release(struct hns_roce_dev *hr_dev,
struct hns_roce_hem_list *hem_list);
void *hns_roce_hem_list_find_mtt(struct hns_roce_dev *hr_dev,
struct hns_roce_hem_list *hem_list,
int offset, int *mtt_cnt, u64 *phy_addr);
int offset, int *mtt_cnt);
static inline void hns_roce_hem_first(struct hns_roce_hem *hem,
struct hns_roce_hem_iter *iter)

4
drivers/infiniband/hw/hns/hns_roce_mr.c
View File

@ -585,7 +585,7 @@ static int mtr_map_region(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
while (offset < end && npage < max_count) {
count = 0;
mtts = hns_roce_hem_list_find_mtt(hr_dev, &mtr->hem_list,
offset, &count, NULL);
offset, &count);
if (!mtts)
return -ENOBUFS;
@ -834,7 +834,7 @@ int hns_roce_mtr_find(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
mtt_count = 0;
mtts = hns_roce_hem_list_find_mtt(hr_dev, &mtr->hem_list,
start_index + total,
&mtt_count, NULL);
&mtt_count);
if (!mtts || !mtt_count)
goto done;