Re: [PATCH mlx5-next 2/2] net/mlx5: Factor out HCA capabilities functions

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On Mon, Feb 11, 2019 at 01:56:08PM +0200, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> 
> Combine all HCA capabilities setters under one function
> and compile out the ODP related function in case kernel
> was compiled without ODP support.
> 
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
>  .../net/ethernet/mellanox/mlx5/core/main.c    | 47 +++++++++++++------
>  1 file changed, 33 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
> index 6d45518edbdc..d7145ab6105d 100644
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
> @@ -459,6 +459,7 @@ static int handle_hca_cap_atomic(struct mlx5_core_dev *dev)
>  	return err;
>  }
>  
> +#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
>  static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
>  {
>  	void *set_hca_cap;
> @@ -502,6 +503,7 @@ static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
>  	kfree(set_ctx);
>  	return err;
>  }
> +#endif
>  
>  static int handle_hca_cap(struct mlx5_core_dev *dev)
>  {
> @@ -576,6 +578,35 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
>  	return err;
>  }
>  
> +static int set_hca_cap(struct mlx5_core_dev *dev)
> +{
> +	struct pci_dev *pdev = dev->pdev;
> +	int err;
> +
> +	err = handle_hca_cap(dev);
> +	if (err) {
> +		dev_err(&pdev->dev, "handle_hca_cap failed\n");
> +		goto out;
> +	}
> +
> +	err = handle_hca_cap_atomic(dev);
> +	if (err) {
> +		dev_err(&pdev->dev, "handle_hca_cap_atomic failed\n");
> +		goto out;
> +	}
> +
> +#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
> +	err = handle_hca_cap_odp(dev);
> +	if (err) {
> +		dev_err(&pdev->dev, "handle_hca_cap_odp failed\n");
> +		goto out;
> +	}
> +#endif

Adding 
  if (IS_ENABLED..) 
    return 0;

To the top of handle_hca_cap_odp is alot better.

Jason




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