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bh=si55ankKHNNRv5mBFYVG1jZceZrxfv3xYH4f1i34vWI=; b=AMbfTvl/x0o7heiDRKemtWabh5ADPBUU55jyeOs0bFOtgEXgnaQxWnrmUUGI30m1n0D3Iq LrD39fFIZn3fiz7yjxTF7KasLbEhp03yHB09605r3NU+QJBi16MiSfggcANtnVnmPip/85 PKBYH/MqK9/sJIHUeCmuIoeSS7aE0ymSrcOwD5KZdl9cuD3s7Loc2a75zmPhWZORwLp/wt x2oIZvI9PMiybTXrZjt4Bo2L3duyNYcx3o/HJcp0Vm7iXrEyjPPymaOAE4yxiS43C9UNFP ssOBv8rJUpGZDcX9mdk1gx6EL16mtnALf9wqqnfYgAvutoWQP62rt6UBra1kow== Date: Fri, 27 Jun 2025 19:06:04 +0200 From: Maxime Chevallier To: Romain Gantois Cc: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , =?UTF-8?B?S8O2cnk=?= Maincent , Marek =?UTF-8?B?QmVow7pu?= , Oleksij Rempel , =?UTF-8?B?Tmljb2zDsg==?= Veronese , Simon Horman , mwojtas@chromium.org, Antoine Tenart , devicetree@vger.kernel.org, Conor Dooley , Krzysztof Kozlowski , Rob Herring , Daniel Golle , Dimitri Fedrau Subject: Re: [PATCH net-next v6 05/14] net: phy: Create a phy_port for PHY-driven SFPs Message-ID: <20250627190604.41b26ead@fedora> In-Reply-To: <5411380.WoAhosY9oF@fw-rgant> References: <20250507135331.76021-1-maxime.chevallier@bootlin.com> <20250507135331.76021-6-maxime.chevallier@bootlin.com> <5411380.WoAhosY9oF@fw-rgant> Organization: Bootlin X-Mailer: Claws Mail 4.3.1 (GTK 3.24.43; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgdefieduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpeffhffvvefukfgjfhhoofggtgfgsehtjeertdertddvnecuhfhrohhmpeforgigihhmvgcuvehhvghvrghllhhivghruceomhgrgihimhgvrdgthhgvvhgrlhhlihgvrhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepgeevledtvdevueehhfevhfelhfekveeftdfgiedufeffieeltddtgfefuefhueeknecukfhppedvrgdtudemtggsudelmeekugegheemgeeltddtmeeiheeikeemvdelsgdumeelvghfheemvgektgejnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddumegtsgduleemkegugeehmeegledttdemieehieekmedvlegsudemlegvfhehmegvkegtjedphhgvlhhopehfvgguohhrrgdpmhgrihhlfhhrohhmpehmrgigihhmvgdrtghhvghvrghllhhivghrsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeeftddprhgtphhtthhopehrohhmrghinhdrghgrnhhtohhishessghoohhtlhhinhdrtghomhdprhgtphhtthhopegurghvvghmsegurghvvghmlhhofhhtrdhnvghtpdhrtghpthhtohepnhgvthguvghvsehvghgvrhdrkhgvrhhnvghlrdhor hhgpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqrghrmhdqmhhsmhesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehthhhomhgrshdrphgvthgriiiiohhnihessghoohhtlhhinhdrtghomhdprhgtphhtthhopegrnhgurhgvfieslhhunhhnrdgthhdprhgtphhtthhopehkuhgsrgeskhgvrhhnvghlrdhorhhg X-GND-Sasl: maxime.chevallier@bootlin.com Hi Romain, On Tue, 13 May 2025 14:25:18 +0200 Romain Gantois wrote: > Hi Maxime, > > On Wednesday, 7 May 2025 15:53:21 CEST Maxime Chevallier wrote: > > Some PHY devices may be used as media-converters to drive SFP ports (for > > example, to allow using SFP when the SoC can only output RGMII). This is > > already supported to some extend by allowing PHY drivers to registers > > themselves as being SFP upstream. > > > ... > > * > > @@ -149,6 +151,21 @@ void phy_port_update_supported(struct phy_port *port) > > ethtool_medium_get_supported(supported, i, port->lanes); > > linkmode_or(port->supported, port->supported, supported); > > } > > + > > + /* Serdes ports supported may through SFP may not have any medium set, > > + * as they will output PHY_INTERFACE_MODE_XXX modes. In that case, > derive > > + * the supported list based on these interfaces > > + */ > > + if (port->is_serdes && linkmode_empty(supported)) { > > The "supported" bitmap needs to be zeroed out before this check. If the port > has no mediums, then the bitmap won't be initialized at this point. Ah true, thanks ! Maxime