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| author | Fuqian Huang <huangfq.daxian@gmail.com> | 2019-06-28 10:47:19 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-03 14:26:49 -0300 |
| commit | 4c44d4634b5c90993fccca9f155347221df6f877 (patch) | |
| tree | 3f6c2c2cc31b0f8c6911b8a50aa63e7a57015995 /drivers/infiniband/hw/hns | |
| parent | c5cfcfcb54e7ab4b7ea9a755afd7131649d11331 (diff) | |
| download | linux-4c44d4634b5c90993fccca9f155347221df6f877.tar.bz2 | |
IB: Remove unneeded memset
In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of
git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent/dmam_alloc_coherent always zeroed the returned memory.
So the memset after a coherent allocation function is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 |
2 files changed, 0 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 056a6873df7a..998431c39b8d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -4265,7 +4265,6 @@ static int hns_roce_v1_create_eq(struct hns_roce_dev *hr_dev, } eq->buf_list[i].map = tmp_dma_addr; - memset(eq->buf_list[i].buf, 0, HNS_ROCE_BA_SIZE); } eq->cons_index = 0; roce_set_field(tmp, ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M, diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 7f2da5e10e67..107330df6ce8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1818,7 +1818,6 @@ static int hns_roce_init_link_table(struct hns_roce_dev *hr_dev, goto err_alloc_buf_failed; link_tbl->pg_list[i].map = t; - memset(link_tbl->pg_list[i].buf, 0, buf_chk_sz); entry[i].blk_ba0 = (t >> 12) & 0xffffffff; roce_set_field(entry[i].blk_ba1_nxt_ptr, @@ -5467,8 +5466,6 @@ static int hns_roce_mhop_alloc_eq(struct hns_roce_dev *hr_dev, eq->cur_eqe_ba = eq->l0_dma; eq->nxt_eqe_ba = 0; - memset(eq->bt_l0, 0, eq->entries * eq->eqe_size); - return 0; } |