diff options
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index d5f3faa1627a..91990fad7185 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1165,32 +1165,22 @@ static int hns_roce_alloc_cmq_desc(struct hns_roce_dev *hr_dev, { int size = ring->desc_num * sizeof(struct hns_roce_cmq_desc); - ring->desc = kzalloc(size, GFP_KERNEL); + ring->desc = dma_alloc_coherent(hr_dev->dev, size, + &ring->desc_dma_addr, GFP_KERNEL); if (!ring->desc) return -ENOMEM; - ring->desc_dma_addr = dma_map_single(hr_dev->dev, ring->desc, size, - DMA_BIDIRECTIONAL); - if (dma_mapping_error(hr_dev->dev, ring->desc_dma_addr)) { - ring->desc_dma_addr = 0; - kfree(ring->desc); - ring->desc = NULL; - - return -ENOMEM; - } - return 0; } static void hns_roce_free_cmq_desc(struct hns_roce_dev *hr_dev, struct hns_roce_v2_cmq_ring *ring) { - dma_unmap_single(hr_dev->dev, ring->desc_dma_addr, - ring->desc_num * sizeof(struct hns_roce_cmq_desc), - DMA_BIDIRECTIONAL); + dma_free_coherent(hr_dev->dev, + ring->desc_num * sizeof(struct hns_roce_cmq_desc), + ring->desc, ring->desc_dma_addr); ring->desc_dma_addr = 0; - kfree(ring->desc); } static int init_csq(struct hns_roce_dev *hr_dev, |