From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Subject: Re: [PATCH] arm64: dts: renesas: Add /soc dma-ranges Date: Mon, 30 Sep 2019 17:38:32 +0200 Message-ID: <9ff6eb72-a01d-37de-8aa1-671406f3d7ac@gmail.com> References: <20190907161634.27378-1-marek.vasut@gmail.com> <0bf7c8c8-d03e-c08e-4879-3d3a2fb90ca7@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: 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: Rob Herring Cc: "open list:MEDIA DRIVERS FOR RENESAS - FCP" , devicetree@vger.kernel.org, Geert Uytterhoeven , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Wolfram Sang List-Id: devicetree@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