From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1DA7A361DA0; Fri, 16 Jan 2026 12:02:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768564939; cv=none; b=KS3EFG47VCb8d3jcNE85z5hO1jjIP8gNAzlF8dSWgng0M0LU6xjTGDeHP1uAFCtFD+bzmE7/3Eqp3w3R6D+vh8Entkpl2Yux4vY2Jg/2/Hg/r49ZT5DO56qQH34viZE6ncZNWB08IkH4UafPfwl/XXZ/JHo+Q0J0Pu3iiJHQY9g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768564939; c=relaxed/simple; bh=fnGV1jCqMjmGOp/XsK0A9qzcRTKs0fx1lqIUROAj7Ic=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=up+/Bw7IgaJEQC1bWrFTQ7/Ja0A08wE222U/FZJOchX00ebQJGwVBLyVcPo9q1oqhDpxPitoGkNGoeiL3gMJf5XO3EjqdVtAVqNy6C+xYzORNeCdcFIRSX2TNLMPpLlxT9ljVh6sgLyLbr904qUzjSwKEMtfG5eQ7T84ZnDo/U4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oF0vU295; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oF0vU295" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BDF9CC116C6; Fri, 16 Jan 2026 12:02:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768564938; bh=fnGV1jCqMjmGOp/XsK0A9qzcRTKs0fx1lqIUROAj7Ic=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=oF0vU295FLg6/nc0XqjxtkAwnbHSdwxq4ItNN0/33CFg7OSd30Aci8fBxuUQBr1Aw UHgfPlEjkze3pvwKc07nigknEpEFEryUtl0aNXGr4aYA/GQNjnyuGGuCYYSwkJKUf0 i3D6Ash2ssv1Wk3vo9HlhQWPqWcdVQh5moddY1dQaY57Hkwugg9Dr7qy888fQ9KThR rw9K3nhqXtd0SWS/jeMq1gSIGbETKuT0DWYEI1ln7OO2hjnLkMrYtcLMIPsD/ANOk0 6BEc3YEc+c3+COA/jDJBXERRlO4qu35y7ZfoSbGMClBPfnxajP3Yl/CEnvxVvfxlzb gzkCqQgi+5J/A== Message-ID: <56e0c7bf-8f51-47b4-9ec7-edcf1b815c06@kernel.org> Date: Fri, 16 Jan 2026 13:02:15 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: (subset) [PATCH v6 0/6] OpenRISC de0 nano single and multicore boards To: Stafford Horne , Bartosz Golaszewski Cc: LKML , Linux OpenRISC , devicetree , Rob Herring , Krzysztof Kozlowski , Conor Dooley References: <20260115151014.3956805-1-shorne@gmail.com> <176849165027.29734.708711779514578942.b4-ty@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 16/01/2026 12:57, Stafford Horne wrote: > On Thu, Jan 15, 2026 at 04:40:53PM +0100, Bartosz Golaszewski wrote: >> >> On Thu, 15 Jan 2026 15:09:56 +0000, Stafford Horne wrote: >>> Since v5: >>> - Adjust dt-binding patch based on suggestions from Geert and Krzysztof. >>> - Add reviewed-by's on the dt-binding patch. >>> Since v4: >>> - Rebased the series on linux-next to allow patches to be incremental. >>> - Rewrote the dt-bindings patch as an incremental patch, Due to this I >>> dropped reviewed-by's. >>> - Added acked-by to the IPI fix patch. >>> Since v3: >>> - Switch order of gpio-mmio driver and bindings patches to patch binding >>> first before driver. Suggested by Krzysztof. >>> - Removed example form binding suggested by Krzysztof. >>> - Added Reviewed-by's from Geert and Linus W. >>> Since v2: >>> - Fixup (replace) gpio-mmio patch to update driver compatible list and just add >>> opencores,gpio to mmio-gpio bindings. Discussed with Geert and Linus W >>> because the 8-bit opencores,gpio is not the same as the 32-bit broadcom >>> chip. [1]. >>> - Update new device trees to use proper ordering, remove debug options, remove >>> unneeded "status" properties. Suggested by Geert. >>> Since v1: >>> - Use proper schema in gpio-mmio suggsted by Conor Dooley >>> - Remove 0 clock-frequency definitions in dtsi file >>> >>> [...] >> >> Applied, thanks! >> >> [1/6] dt-bindings: gpio-mmio: Correct opencores GPIO >> commit: b2b8d247ad8ee1abe860598cae70e2dbe8a09128 >> [2/6] gpio: mmio: Add compatible for opencores GPIO >> commit: 3a6a36a3fc4e18e202eaf6c258553b5a17b91677 > > Thanks, now that these commits are on gpio-next I would like to apply the rest > of the patches to my openrisc/for-next branch. Since the other patches depend > on the GPIO patches for system functionality, do you think it would be safe for > me to merge the gpio-next branch into my branch? They do not depend, unless I missed something. DTS cannot depend on drivers because it is an independent (huh, so circular logic) hardware description. It's also more explained in maintainer-soc-profile and DT submitting patches document. There is no single dependency here and you should never pull gpio-next or any other subsystem driver into your DTS branches. > > It seems a bit messy, Maybe I should just wait for the next cycle. But if you There is no mess, you do not have to wait for anything. Please follow standard rules like we follow for all other SoC-based architectures (arm, arm64, riscv). What happens when you apply *independently* DTS? What is broken, which was not broken so far? What features stop working? What existing DTS is affected? What existing code is doing worse than before? > have any suggestions of experience with this any comments would be appreciated. > > -Stafford Best regards, Krzysztof