From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: Re: [PATCH v1 1/3] dt-bindings: net: bcmgenet add property for max DMA burst size Date: Fri, 11 Oct 2019 12:07:58 -0700 Message-ID: <2d4be474-95f1-9ef7-4485-46f7e5565d8c@gmail.com> References: <20191011184822.866-1-matthias.bgg@kernel.org> <20191011184822.866-2-matthias.bgg@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191011184822.866-2-matthias.bgg@kernel.org> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: matthias.bgg@kernel.org, "David S . Miller" Cc: Mark Rutland , devicetree@vger.kernel.org, Matthias Brugger , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Nicolas Saenz Julienne , Rob Herring , linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Stefan Wahren List-Id: devicetree@vger.kernel.org On 10/11/19 11:48 AM, matthias.bgg@kernel.org wrote: > From: Matthias Brugger > > The maximal usable DMA burst size can vary in different SoCs. > Add a optional property to configure the DMA channels properly. > > Signed-off-by: Matthias Brugger There are enough differences in the integration of GENET in 2711 (versus any other STB chip where it has been used) that a brcm,bcm2711-genet-v5 compatible string would be in order. From there, you can derive the DMA burst size without using additional properties. -- Florian