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Tue, 24 Mar 2026 01:13:35 -0700 (PDT) Received: from [192.168.88.32] ([212.105.153.60]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b644ae048sm35875560f8f.1.2026.03.24.01.13.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Mar 2026 01:13:34 -0700 (PDT) Message-ID: Date: Tue, 24 Mar 2026 09:13:32 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 net-next 11/14] net: dsa: netc: add phylink MAC operations To: "Russell King (Oracle)" Cc: claudiu.manoil@nxp.com, vladimir.oltean@nxp.com, xiaoning.wang@nxp.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, f.fainelli@gmail.com, frank.li@nxp.com, chleroy@kernel.org, horms@kernel.org, andrew@lunn.ch, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, Wei Fang References: <20260323060752.1157031-1-wei.fang@nxp.com> <20260323060752.1157031-12-wei.fang@nxp.com> Content-Language: en-US From: Paolo Abeni In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/23/26 10:30 AM, Russell King (Oracle) wrote: > On Mon, Mar 23, 2026 at 02:07:49PM +0800, Wei Fang wrote: >> +static void netc_port_set_mac_mode(struct netc_port *np, >> + unsigned int mode, >> + phy_interface_t phy_mode) >> +{ >> + u32 mask = PM_IF_MODE_IFMODE | PM_IF_MODE_REVMII | PM_IF_MODE_ENA; >> + u32 val = 0; >> + >> + switch (phy_mode) { >> + case PHY_INTERFACE_MODE_RGMII: >> + case PHY_INTERFACE_MODE_RGMII_ID: >> + case PHY_INTERFACE_MODE_RGMII_RXID: >> + case PHY_INTERFACE_MODE_RGMII_TXID: >> + val |= IFMODE_RGMII; >> + /* Enable auto-negotiation for the MAC if its >> + * RGMII interface supports In-Band status. >> + */ >> + if (phylink_autoneg_inband(mode)) >> + val |= PM_IF_MODE_ENA; > > I would prefer newer drivers not to use phylink_autoneg_inband() > anymore. Note that there is no need to support RGMII inband in the > kernel (nor is there any proper support without a "phylink_pcs" > being present to provide the inband status.) Would you mind sharing a patch adding a comment nearby phylink_autoneg_inband(), explaining the above for future memory? Thanks, Paolo