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[86.49.35.8]) by smtp.gmail.com with ESMTPSA id w12sm21332914wrg.47.2019.09.30.08.38.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Sep 2019 08:38:33 -0700 (PDT) Subject: Re: [PATCH] arm64: dts: renesas: Add /soc dma-ranges To: Rob Herring Cc: "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Geert Uytterhoeven , Wolfram Sang , devicetree@vger.kernel.org, "open list:MEDIA DRIVERS FOR RENESAS - FCP" References: <20190907161634.27378-1-marek.vasut@gmail.com> <0bf7c8c8-d03e-c08e-4879-3d3a2fb90ca7@gmail.com> From: Marek Vasut Message-ID: <9ff6eb72-a01d-37de-8aa1-671406f3d7ac@gmail.com> Date: Mon, 30 Sep 2019 17:38:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org On 9/30/19 5:08 PM, Rob Herring wrote: > On Mon, Sep 30, 2019 at 7:45 AM Marek Vasut wrote: >> >> On 9/24/19 12:33 AM, Rob Herring wrote: >>> On Fri, Sep 13, 2019 at 10:14 AM Rob Herring wrote: >>>> >>>> On Sat, Sep 7, 2019 at 5:16 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. >>>> >>>> FYI, I've started working on this problem and issues around >>>> dma-ranges/dma_mask. Hopefully I'll get some patches out next week. >>> >>> I've pushed out a branch here: >>> >>> git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git dma-masks >>> >>> Can you test it on Renesas. I don't have a real platform having the issue. >> >> >> With the following patches applied: >> https://patchwork.ozlabs.org/patch/1144870/ > > I'd rather not have yet another instance of {dma-}ranges parsing code. > With this series[1], dma-ranges gets parsed into resource list for > you. > >> https://patchwork.ozlabs.org/patch/1144871/ > > How can this one be applied? It would conflict horribly. Plus I think > it duplicates what's in my series. I fixed it up real quick, but apparently these are not needed indeed. [...] -- Best regards, Marek Vasut