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Tue, 20 Jan 2026 04:05:38 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: ADbfFBy_oOaZ Date: Tue, 20 Jan 2026 10:03:49 +0100 From: "Arnd Bergmann" To: syrus Cc: "Siddh Raman Pant" , linux-kernel@vger.kernel.org, kernelnewbies , "Neil Armstrong" , "[Syrus]" , "Paul Cercueil" Message-Id: In-Reply-To: <20260120010512.1951-1-syrus.lssu@ingenic.com> References: <20260120010512.1951-1-syrus.lssu@ingenic.com> Subject: Re: Query: Y2038 patch series for 3.18 Kernel Content-Type: text/plain Content-Transfer-Encoding: 7bit On Tue, Jan 20, 2026, at 02:05, syrus wrote: > From: [Syrus] <[syrus.lssu@ingenic.com]> > > Hi Arnd, all, > > Thanks for the discussion. While kernel upgrade solves Y2038 for new > projects, our legacy devices on 3.10.14 kernel face upgrade challenges > due to driver compatibility and limited resources (limited manpower, > communication barriers between different departments and companies, etc.). > > Has anyone successfully backported Y2038 fixes to older kernels like > 3.10.x? I'm looking for patch summaries or experiences with such > backports, or at least a summary of the commit history that addresses > this issue. Any guidance on key subsystems to focus on would be very > helpful for maintaining our legacy devices. Hi Syrus, As I replied earlier, anything older than 5.4 has pretty much no chance of getting the kernel backports. If you are specifically working on Ingenic's own SoC support, I do think that you are in luck as these seem to be fairly well supported in recent kernels, based on the work that Paul Cercueil has done over the years, at least for the chips that ended up in popular development boards and gaming handhelds (jz4725, jz4740, jz4760, jz4770). If there are specific drivers that are not yet supported upstream but work on the patched 3.10 kernel, I'm sure you can find consulting companies that are able to port those drivers as well. Arnd