diff options
| author |   Parav Pandit <parav@nvidia.com> | 2020-09-09 20:41:38 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@nvidia.com> | 2020-09-30 21:26:30 -0700 |
| commit | 7be3412a7686241042681b0a3e2fae5c9a01da0e (patch) | |
| tree | d9ebc09435c7ffa27b775bb1442b42bfd22a66d1 /drivers/net/ethernet/mellanox/mlx5/core/diag | |
| parent | net/mlx5: E-Switch, Support flow source for local vport (diff) | |
| download | linux-dev-7be3412a7686241042681b0a3e2fae5c9a01da0e.tar.xz linux-dev-7be3412a7686241042681b0a3e2fae5c9a01da0e.zip | |
net/mlx5: Use dma device access helper
Use the PCI device directly for dma accesses as non PCI device unlikely
support IOMMU and dma mappings.
Introduce and use helper routine to access DMA device.
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Vu Pham <vuhuong@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/diag')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index ad3594c4afcb..ede4640b8428 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -124,7 +124,7 @@ static void mlx5_fw_tracer_ownership_release(struct mlx5_fw_tracer *tracer) static int mlx5_fw_tracer_create_log_buf(struct mlx5_fw_tracer *tracer) { struct mlx5_core_dev *dev = tracer->dev; - struct device *ddev = &dev->pdev->dev; + struct device *ddev; dma_addr_t dma; void *buff; gfp_t gfp; @@ -142,6 +142,7 @@ static int mlx5_fw_tracer_create_log_buf(struct mlx5_fw_tracer *tracer) } tracer->buff.log_buf = buff; + ddev = mlx5_core_dma_dev(dev); dma = dma_map_single(ddev, buff, tracer->buff.size, DMA_FROM_DEVICE); if (dma_mapping_error(ddev, dma)) { mlx5_core_warn(dev, "FWTracer: Unable to map DMA: %d\n", @@ -162,11 +163,12 @@ free_pages: static void mlx5_fw_tracer_destroy_log_buf(struct mlx5_fw_tracer *tracer) { struct mlx5_core_dev *dev = tracer->dev; - struct device *ddev = &dev->pdev->dev; + struct device *ddev; if (!tracer->buff.log_buf) return; + ddev = mlx5_core_dma_dev(dev); dma_unmap_single(ddev, tracer->buff.dma, tracer->buff.size, DMA_FROM_DEVICE); free_pages((unsigned long)tracer->buff.log_buf, get_order(tracer->buff.size)); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c index 4924a5658853..ed4fb79b4db7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c @@ -78,7 +78,7 @@ static int mlx5_rsc_dump_trigger(struct mlx5_core_dev *dev, struct mlx5_rsc_dump struct page *page) { struct mlx5_rsc_dump *rsc_dump = dev->rsc_dump; - struct device *ddev = &dev->pdev->dev; + struct device *ddev = mlx5_core_dma_dev(dev); u32 out_seq_num; u32 in_seq_num; dma_addr_t dma; |