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Thu, 05 Dec 2024 20:10:44 -0800 (PST) Received: from mini ([2607:fb90:8e63:d3d5:60d0:f219:70bf:2a20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-215f8f29b4csm20010785ad.245.2024.12.05.20.10.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Dec 2024 20:10:43 -0800 (PST) From: Fan Ni X-Google-Original-From: Fan Ni Date: Thu, 5 Dec 2024 20:10:40 -0800 To: alejandro.lucero-palau@amd.com Cc: linux-cxl@vger.kernel.org, netdev@vger.kernel.org, dan.j.williams@intel.com, martin.habets@xilinx.com, edward.cree@amd.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, dave.jiang@intel.com, Alejandro Lucero Subject: Re: [PATCH v6 09/28] sfc: request cxl ram resource Message-ID: References: <20241202171222.62595-1-alejandro.lucero-palau@amd.com> <20241202171222.62595-10-alejandro.lucero-palau@amd.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241202171222.62595-10-alejandro.lucero-palau@amd.com> On Mon, Dec 02, 2024 at 05:12:03PM +0000, alejandro.lucero-palau@amd.com wrote: > From: Alejandro Lucero > > Use cxl accessor for obtaining the ram resource the device advertises. > > Signed-off-by: Alejandro Lucero Reviewed-by: Fan Ni > --- > 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 >