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[78.11.189.27]) by smtp.gmail.com with ESMTPSA id s7-20020a056512214700b00497a6fe85b8sm116555lfr.250.2022.09.09.08.39.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Sep 2022 08:39:23 -0700 (PDT) Message-ID: Date: Fri, 9 Sep 2022 17:39:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 Subject: Re: [PATCH net-next v4 1/5] net: ipqess: introduce the Qualcomm IPQESS driver Content-Language: en-US To: Maxime Chevallier , davem@davemloft.net, Rob Herring Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Florian Fainelli , Heiner Kallweit , Russell King , linux-arm-kernel@lists.infradead.org, Vladimir Oltean , Luka Perkov , Robert Marko References: <20220909152454.7462-1-maxime.chevallier@bootlin.com> <20220909152454.7462-2-maxime.chevallier@bootlin.com> From: Krzysztof Kozlowski In-Reply-To: <20220909152454.7462-2-maxime.chevallier@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220909_083927_826315_58BA00B8 X-CRM114-Status: GOOD ( 19.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 09/09/2022 17:24, Maxime Chevallier wrote: > The Qualcomm IPQESS controller is a simple 1G Ethernet controller found > on the IPQ4019 chip. This controller has some specificities, in that the > IPQ4019 platform that includes that controller also has an internal > switch, based on the QCA8K IP. > > It is connected to that switch through an internal link, and doesn't > expose directly any external interface, hence it only supports the > PHY_INTERFACE_MODE_INTERNAL for now. > > It has 16 RX and TX queues, with a very basic RSS fanout configured at Thank you for your patch. There is something to discuss/improve. > +} > + > +static int ipqess_axi_probe(struct platform_device *pdev) > +{ > + struct device_node *np = pdev->dev.of_node; > + struct net_device *netdev; > + phy_interface_t phy_mode; > + struct resource *res; > + struct ipqess *ess; > + int i, err = 0; > + > + netdev = devm_alloc_etherdev_mqs(&pdev->dev, sizeof(struct ipqess), sizeof(*) > + IPQESS_NETDEV_QUEUES, > + IPQESS_NETDEV_QUEUES); > + if (!netdev) > + return -ENOMEM; > + > + ess = netdev_priv(netdev); > + ess->netdev = netdev; > + ess->pdev = pdev; > + spin_lock_init(&ess->stats_lock); > + SET_NETDEV_DEV(netdev, &pdev->dev); > + platform_set_drvdata(pdev, netdev); > + > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + ess->hw_addr = devm_ioremap_resource(&pdev->dev, res); Use a helper for this. > + if (IS_ERR(ess->hw_addr)) > + return PTR_ERR(ess->hw_addr); > + > + err = of_get_phy_mode(np, &phy_mode); > + if (err) { > + dev_err(&pdev->dev, "incorrect phy-mode\n"); > + return err; > + } > + > + ess->ess_clk = devm_clk_get(&pdev->dev, "ess"); There is no such clock "ess"... > + if (!IS_ERR(ess->ess_clk)) > + clk_prepare_enable(ess->ess_clk); > + > + ess->ess_rst = devm_reset_control_get(&pdev->dev, "ess"); Same problem. > + if (IS_ERR(ess->ess_rst)) > + goto err_clk; > + > + ipqess_reset(ess); > + > + ess->phylink_config.dev = &netdev->dev; > + ess->phylink_config.type = PHYLINK_NETDEV; > + ess->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_10 | > + MAC_100 | MAC_1000FD; > + > + __set_bit(PHY_INTERFACE_MODE_INTERNAL, > + ess->phylink_config.supported_interfaces); > + > + ess->phylink = phylink_create(&ess->phylink_config, > + of_fwnode_handle(np), phy_mode, > + &ipqess_phylink_mac_ops); > + if (IS_ERR(ess->phylink)) { > + err = PTR_ERR(ess->phylink); > + goto err_clk; > + } > + Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel