From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh Nguyen Subject: Re: SoCFPGA ethernet broken Date: Thu, 15 Oct 2015 14:59:41 -0500 Message-ID: <562005AD.8020903@opensource.altera.com> References: <561FF9E2.30102@opensource.altera.com> <56200687.9040903@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: , , "linux-kernel@vger.kernel.org" To: Florian Fainelli , "David S. Miller" Return-path: In-Reply-To: <56200687.9040903@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 10/15/2015 03:03 PM, Florian Fainelli wrote: > On 15/10/15 12:09, Dinh Nguyen wrote: >> Hi, >> >> commit "8b63ec1837fa phylib: Make PHYs children of their MDIO bus, not >> the bus' parent." seems to have broken ethernet support for the SoCFPGA >> platform which is using the stmmac ethernet driver. > > It is not clear to me how this relates to what you are seeing yet. > >> >> It appears that during DHCP, it cannot get an IP address. This only >> happens if ethernet was not used by the bootloader to tftp an kernel >> image. If I use the bootloader to tftp an image then ethernet is working >> fine. So I think the PHY is not getting enabled properly. >> >> If I revert this patch, then ethernet is back to working on the platform. > > Is the Device Tree source for this platform available somewhere to look at? > Yes, I'm using the DTS that is in the mainline: arch/arm/boot/dts/socfpga.dtsi arch/arm/boot/dts/socfpga_cyclone5.dtsi arch/arm/boot/dts/socfpga_cyclone5_socdk.dts Dinh