netdev - [net-next 04/15] net/mlx5e: Separate dma base address and offset in dma

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Date:   Tue, 27 Mar 2018 17:42:38 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Tariq Toukan <tariqt@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 04/15] net/mlx5e: Separate dma base address and offset in dma_sync call

From: Tariq Toukan <tariqt@...lanox.com>

Pass the base dma address and offset to dma_sync_single_range_for_cpu(),
instead of doing the pre-calculation.

Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 8cce90dc461d..ffcbe5c3818a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -870,10 +870,8 @@ struct sk_buff *skb_from_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
 	data           = va + rx_headroom;
 	frag_size      = MLX5_SKB_FRAG_SZ(rx_headroom + cqe_bcnt);
 
-	dma_sync_single_range_for_cpu(rq->pdev,
-				      di->addr + wi->offset,
-				      0, frag_size,
-				      DMA_FROM_DEVICE);
+	dma_sync_single_range_for_cpu(rq->pdev, di->addr, wi->offset,
+				      frag_size, DMA_FROM_DEVICE);
 	prefetch(data);
 	wi->offset += frag_size;
 
-- 
2.14.3