Re: [PATCH v6 09/28] sfc: request cxl ram resource

[Martin Habets <habetsm.xilinx@gmail.com>]

On Mon, Dec 02, 2024 at 05:12:03PM +0000, alejandro.lucero-palau@amd.com wrote:
> 
> From: Alejandro Lucero <alucerop@amd.com>
> 
> Use cxl accessor for obtaining the ram resource the device advertises.
> 
> Signed-off-by: Alejandro Lucero <alucerop@amd.com>

Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>

> ---
>  drivers/net/ethernet/sfc/efx_cxl.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c
> index 44e1061feba1..76ce4c2e587b 100644
> --- a/drivers/net/ethernet/sfc/efx_cxl.c
> +++ b/drivers/net/ethernet/sfc/efx_cxl.c
> @@ -84,6 +84,12 @@ int efx_cxl_init(struct efx_probe_data *probe_data)
>  		goto err2;
>  	}
>  
> +	rc = cxl_request_resource(cxl->cxlds, CXL_RES_RAM);
> +	if (rc) {
> +		pci_err(pci_dev, "CXL request resource failed");
> +		goto err2;
> +	}
> +
>  	probe_data->cxl = cxl;
>  
>  	return 0;
> @@ -98,6 +104,7 @@ int efx_cxl_init(struct efx_probe_data *probe_data)
>  void efx_cxl_exit(struct efx_probe_data *probe_data)
>  {
>  	if (probe_data->cxl) {
> +		cxl_release_resource(probe_data->cxl->cxlds, CXL_RES_RAM);
>  		kfree(probe_data->cxl->cxlds);
>  		kfree(probe_data->cxl);
>  	}
> -- 
> 2.17.1
> 
>