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[87.138.219.28]) by smtp.gmail.com with ESMTPSA id h125sm17930614wmf.31.2019.09.09.01.42.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Sep 2019 01:42:48 -0700 (PDT) Subject: Re: [PATCH] arm64: dts: renesas: Add /soc dma-ranges To: Geert Uytterhoeven References: <20190907161634.27378-1-marek.vasut@gmail.com> From: Marek Vasut Message-ID: Date: Mon, 9 Sep 2019 10:42:47 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190909_014251_444134_12021B01 X-CRM114-Status: GOOD ( 17.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-Renesas , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Geert Uytterhoeven , Linux ARM , Wolfram Sang Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 9/9/19 10:19 AM, Geert Uytterhoeven wrote: > Hi Marek, Hi, > On Sat, Sep 7, 2019 at 6:16 PM wrote: >> From: Marek Vasut >> >> Add dma-ranges property into /soc node to describe the DMA capabilities >> of the bus. This is currently needed to translate PCI DMA ranges, which >> are limited to 32bit addresses. >> >> Signed-off-by: Marek Vasut > > Thanks for your patch! > >> NOTE: This is needed for the following patches to work correctly: >> https://patchwork.ozlabs.org/patch/1144870/ >> https://patchwork.ozlabs.org/patch/1144871/ > > What happens with the above patches applied, and without this one? It triggers https://patchwork.kernel.org/patch/11087391/#22811745 > As PCI/OF driver patches go in through different trees, is it safe to apply > this patch now? > Should they go in together? I didn't get any feedback on the other two patches, but this one here is safe to go in either way. >> arch/arm64/boot/dts/renesas/r8a7795.dtsi | 1 + >> arch/arm64/boot/dts/renesas/r8a7796.dtsi | 1 + >> arch/arm64/boot/dts/renesas/r8a77965.dtsi | 1 + > > Do we need similar patches for the other R-Car Gen3 and RZ/G2 DTS files? > What about R-Car Gen2 and RZ/G1? I suspect we need such patches for any ARM64 machine with PCIe with this 32bit limitation. -- Best regards, Marek Vasut _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel