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[2003:ea:8f0b:f500:2d0a:8724:17dc:1df1]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435e10edfccsm15077189f8f.17.2026.01.29.09.19.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Jan 2026 09:19:31 -0800 (PST) Message-ID: <489999a0-b99d-4b72-976f-4f646f01be08@gmail.com> Date: Thu, 29 Jan 2026 18:19:30 +0100 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Status of orphaned ltq_etop ethernet driver: mainline vs. OpenWRT To: Hauke Mehrtens , John Crispin , Daniel Golle , Jakub Kicinski , Paolo Abeni , Eric Dumazet , David Miller , Andrew Lunn Cc: "netdev@vger.kernel.org" , OpenWrt Development List References: <43dff7cf-cb00-4480-8856-501a8313951e@gmail.com> Content-Language: en-US From: Heiner Kallweit In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 1/29/2026 1:04 AM, Hauke Mehrtens wrote: > On 1/28/26 21:23, Heiner Kallweit wrote: >> This driver in mainline lost its in-tree user with commit >> cd93b4895ea5 ("MIPS: lantiq: drop mips_machine support") >> in 2012. Since then it has had no in-tree user. >> >> Only (?) user seems to be OpenWRT, with several changes to >> the in-tree driver version: >> target/linux/lantiq/patches-6.12/035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch >> target/linux/lantiq/patches-6.12/028-NET-lantiq-various-etop-fixes.patch >> target/linux/lantiq/patches-6.12/701-NET-lantiq-etop-of-mido.patch >> So it seems the driver is maintained in OpenWrt only >> (except tree-wide in-tree changes). >> >> To me this leaves two questions: >> - Move this driver to OpenWRT completely? >> - Or mainline all downstream changes, maintain driver in >>    mainline, and mainline also the users of this driver? >> > > Hi, > > I think dropping this from the mainline kernel is fine, if it causes efforts for you. > This is the Ethernet of the Lantiq Danube SoC, the SoC is probably EoL since 15 years. I assume that all users either use the vendor SDK with Linux 2.6.X or OpenWrt. > > I will not spend much effort on this driver and others will probably also not spend much effort. We can move it completely into OpenWrt and keep it running there. > Great, thanks for the prompt reply. Then I'll submit a patch for removing this driver from mainline. > Hauke Heiner