On Fri, 16 Oct 2015, Andrew Lunn wrote: > > Another debugging point, the SoCFPGA board has a Micrel ksz9021 PHY attached > > to the ethernet port. What I'm seeing is that with 8b63ec1837fa patch, when > > the call to ksz9021_config_init() is made both of_node and > > dev->parent->of_node > > are NULL, without the patch the dev->parent->of_node is a valid pointer. > > Thus > > the skew values get programmed to the phy. > > Ah! > > You have the phy device tree parameters in the wrong place. These are > phy paramters, so should really be in the phy node. But > socfpga_cyclone5_socdk.dts has them in the MAC node. >
Alright, let me see if I can rework the DTS. > There is nothing in Documentation/devicetree/bindings/net/micrel.txt > which says you are allowed to place them in the MAC node. Obviously > the code did allow this, which is what has now broken. > I was following Documentation/devicetree/bindings/net/micrel-ksz90x1.txt and in this document I was following the autodetected PHY example. Did I mis-interpret the example? BR, Dinh -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html