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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 Tue, Feb 20, 2024 at 02:12:52PM -0500, Sean Anderson wrote: > On 2/20/24 09:50, Vladimir Oltean wrote: > > Notice that unlike fm1-mac10 (node "ethernet@f2000"), there is no > > pcs-handle-names property (fm1-mac10 has it defined in fsl-ls1046-post.dtsi, > > whereas fm1-mac9 doesn't. Don't ask me why, I don't know....) > > I think this is just because this ethernet is always XFI and never (Q)SGMII. Is that so? With SerDes protocol 0x3333, won't the PCS that's connected to fm1-mac9 use SGMII/1000BASE-X (thus not 10GBASE-R)? And as for QSGMII, what's the relevance of that? You can't have one device tree good for all SerDes protocols and RCW pinmuxing options. Either there are 4 MACs aggregated onto a single lane, or there is one MAC per lane, but I've never encountered any use case for alternating between these 2 configurations at runtime, or with same device tree for that matter, have you? QSGMII seems to have been the original motivation for listing all possible PCSes of a MAC in pcs-handle-names, but again, why? > Can you please submit this patch? I noticed this but never had the chance to go > back and debug it. https://lore.kernel.org/netdev/20240220223442.1275946-1-vladimir.oltean@nxp.com/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel