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 B6C1223B606; Tue, 17 Jun 2025 06:21:57 +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=1750141317; cv=none; b=gp0jVN5QJHCx3D6hu+Y4vf2QcSKywqAEhPVsRNAFs6bs52weNtTvUoy75omNm/90cd9/6cBqHl6I+cCZEERZaPMM09EUaQrLhn96rUA1CG8xNQ760/h4Ws9DeUzQR9Fg0mJLk19+cCGbH+BvYd1BlM95H+YBV1WjB1g88PkAyFE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750141317; c=relaxed/simple; bh=PRf1TQGc91W+MBcp+JrNM86Phml+lx1uiU82f4QGL+Q=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=j62vC42j8z691RWJPR/GyPivLhHQLrfxaxubHY7TEcfFiNToSqXUYUp2Le05XIQ8EKk4OiyK8+09znD9ook51JgHEuaAJ94BF2ty7jT7Z19ynDu1z/z7PLlniV8LeJaUOyQ4QxhfDMO3HesAFFuau4uCNo5KmarIxR9aRQRDC7A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TM7snzrJ; 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="TM7snzrJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1FD2C4CEE3; Tue, 17 Jun 2025 06:21:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750141317; bh=PRf1TQGc91W+MBcp+JrNM86Phml+lx1uiU82f4QGL+Q=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=TM7snzrJHgfVCbcORkMvQZwsSqpRCZqk7wEaCRWx/7RBNeCzhJIVxS3lomNDz3RKH aoahLvyMEY2EDH3Jx2tPGRGq9cp55nRllYRNvyaUucV8a47nSi+/woQVK7DCPi+cer N39QM9j5kQzOT8IT/TCje9bdPnni/vAup9jDuzDYOp5CXgcISGwN5ft8tv/toeWlVd VCw78EBMsCtgGFFbb/0p47893A1Vbbq6G+BOz5GmWbGUfGSr2IG50MhxuVhJwYjPOf VE8xE83ZLJSDKcolJcaq0cyHR7Zmb0U8QW2SXBsF29xUIBOtCbsEtPImvTJTibONS+ Xc6nnheKFWyfw== Message-ID: <74e3c488-4457-4026-9597-806b98fd4e11@kernel.org> Date: Tue, 17 Jun 2025 08:21:51 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC] riscv: dts: spacemit: Add DMA translation buses for K1 To: Vivian Wang , Yixun Lan , Guodong Xu , Ze Huang , spacemit@lists.linux.dev Cc: Vivian Wang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250617-k1-dma-buses-rfc-wip-v1-1-c8ec192fbf58@iscas.ac.cn> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 17/06/2025 07:21, Vivian Wang wrote: > The SpacemiT K1 has various static translations of DMA accesses. Add > these as simple-bus nodes. Devices actually using these translation will > be added in later patches. > > The bus names are assigned according to consensus with SpacemiT [1]. Read the feedback there: "So, as you are submitting the first node(s) under network_bus: bus@5, you should have this added into your patchset, instead of sending out with none." Plus simple bus within MMIO node needs unit address. IOW, don't mix MMIO with non-MMIO. I also suspect this does not pass checks, so the tools can do our review... Best regards, Krzysztof