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Wed, 18 Mar 2026 08:58:48 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 X-ThreadId: AXMg69VYQg4R Date: Wed, 18 Mar 2026 13:58:28 +0100 From: "Arnd Bergmann" To: "Krzysztof Kozlowski" , "Geert Uytterhoeven" Cc: soc@lists.linux.dev, "Magnus Damm" , linux-arm-kernel@lists.infradead.org, Linux-Renesas Message-Id: In-Reply-To: <69927bd8-d476-4a24-91af-f21cdc0bce80@kernel.org> References: <20260314-quick-gray-saluki-0f96ff@quoll> <69927bd8-d476-4a24-91af-f21cdc0bce80@kernel.org> Subject: Re: [GIT PULL 3/4] Renesas DT binding updates for v7.1 Content-Type: text/plain Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260318_055849_944146_BCFCFD87 X-CRM114-Status: GOOD ( 17.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Mar 17, 2026, at 10:53, Krzysztof Kozlowski wrote: > On 17/03/2026 10:29, Krzysztof Kozlowski wrote: >>>> See also submitting patches in DT dir. >>> >>> So the second commit is subject to II.3: >>> >>> 3) For a series going through multiple trees, the binding patch should be >>> kept with the driver using the binding. >>> >>> In this particular case, I could have included it in my drivers branch. >>> Where do I put SoC-specific DT binding changes that are not picked >>> up by anyone else (I don't have any this time)? >> >> What is "SoC-specific"? You put the DT binding with the user, that was >> always the rule and that is implied by submitting patches. If you do not >> have any user, why would you pick that up? > > Actually I want to correct myself or explain more. If you document ABI > for existing driver with DTS user of the ABI, but without driver change, > e.g. new front compatible when using already documented fallback, I > would keep the change in the driver branch, even though technically the > DTS is the user of new compatible. That is what I was always doing at least. > > Why? Because I expect there might be a next patchset with binding+driver > adding new fallback to the same binding, which would have to go via > driver branch because of mentioned submitting patches rule. Therefore if > I put that first binding in DTS branch and in the future I want to put > next change in the driver branch I would have unnecessary conflicts. Right, this makes sense, though I've been rather relaxed about binding updates in the past, merging them either through the soc/drivers branches if they came with the driver changes, or through the soc/dt branch otherwise. Arnd