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 1D4261ACED5; Sun, 1 Feb 2026 19:31:01 +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=1769974262; cv=none; b=tFrdDzuNc+DvvWgafsE4Smp6Fr0neV165ZCR/YJSm6OgSfuywjPuHj5jo8JjmcmiknwJsoJk2S00Xz+Foz2Lt7/20B5BW/2KR55ex2O0cPfGQNT5L3oHnXZS2+Idg7nbLhqthlq3Sle1LMTt0qPKeOah2q+nrWsoOrxwj32t5Xk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769974262; c=relaxed/simple; bh=/urQmFdCDUf+tZGDThKL0m9msVTzm4Zp2SVbKmDZ/70=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jPvx+qgB7UpmbQaUoteubWvr7LoKgpSWLSS55/EfMqDri3wMEeQR0Tnhya2UOqhHcfhXR83upZ0yGsW6hTElfXXrzUJrTmGrp9GcNwb5XKdEzAOKvmkpVTw/D4g9OuyZbEG3pDxrt1iw7KjOecl9Z0No0LYj8LpplnhPkOP2zFk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LhCIKTRM; 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="LhCIKTRM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9C0CC4CEF7; Sun, 1 Feb 2026 19:31:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769974261; bh=/urQmFdCDUf+tZGDThKL0m9msVTzm4Zp2SVbKmDZ/70=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=LhCIKTRM9HBanieN4TkDbSqAbvoHXkeASeqD3PzplZx9e9mer1VU7azEU7Dw2TAbg krF3idhabE1Hmeb2R1isNtxMID6tx+1zQVFYIaJeywxsK0QtFfFu9VfmsafI6Iul4w OISo5U7BVcjbjvX0622By7cwUi8FI7CDks/rW4yhqEMaOPdR2SvTLDkw9xYWvrz0BP BFCvJIhGvHERwiGT60lxizGoVF19GJARZqx1oqsrcTpJUskdKNSnH2HVvbQx/TTFuF hX0NWFwBbrBfT/yqSrY73awns4j265d5xf2M0cQ111NWprzHqrCS90z8RLu8OfYunN 6D4xepmi5ZjJg== Message-ID: Date: Sun, 1 Feb 2026 13:30:59 -0600 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: [PATCH] dt-bindings: dma: snps,dw-axi-dmac: add dma-coherent property Content-Language: en-US To: Conor Dooley Cc: Eugeniy.Paltsev@synopsys.com, vkoul@kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Khairul Anuar Romli , Rob Herring References: <20260131172856.29227-1-dinguyen@kernel.org> <20260131-subtly-education-e13320fe0486@spud> From: Dinh Nguyen In-Reply-To: <20260131-subtly-education-e13320fe0486@spud> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/31/26 14:27, Conor Dooley wrote: > On Sat, Jan 31, 2026 at 11:28:56AM -0600, Dinh Nguyen wrote: >> From: Khairul Anuar Romli >> >> The Synopsys DesignWare AXI DMA Controller on Agilex5, the controller >> operates on a cache-coherent AXI interface, where DMA transactions are >> automatically kept coherent with the CPU caches. In previous generations >> SoC (Stratix10 and Agilex) the interconnect was non-coherent, hence there >> is no need for dma-coherent property to be presence. In Agilex 5, the >> architecture has changed. It introduced a coherent interconnect that >> supports cache-coherent DMA. >> >> Signed-off-by: Khairul Anuar Romli >> Reviewed-by: Rob Herring (Arm) > > Why does this v1 have an ack? > I respun this patch based on the dmaengine tree so that the dma engine maintainer can take it. I had originally applied it to my tree, but avoid potential merge conflicts, I'm going to submit it through dma. This patch is the same as this[1]. Sorry for any confusion. Dinh [1] https://lore.kernel.org/linux-devicetree/176488420978.2206697.11201292177123636920.robh@kernel.org/