From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: Re: [PATCH V6 2/2] dmaengine: add helper function to request a slave DMA channel Date: Fri, 9 Nov 2012 14:01:12 -0600 Message-ID: <509D6108.1060304@ti.com> References: <1347662517-4210-1-git-send-email-jon-hunter@ti.com> <1347662517-4210-3-git-send-email-jon-hunter@ti.com> <1347852805.1943.130.camel@vkoul-udesk3> <201209171159.27359.arnd@arndb.de> <20120917223619.GC12445@n2100.arm.linux.org.uk> <1347938035.1943.162.camel@vkoul-udesk3> <5060DDEB.4000600@ti.com> <1348547701.1943.190.camel@vkoul-udesk3> <20121016024318.GF24393@S2101-09.ap.freescale.net> <1350355144.1648.5259.camel@vkoul-udesk3> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1350355144.1648.5259.camel@vkoul-udesk3> Sender: linux-omap-owner@vger.kernel.org To: Vinod Koul Cc: Shawn Guo , Stephen Warren , device-tree , Rob Herring , Dan Williams , Russell King - ARM Linux , linux-omap , linux-arm List-Id: devicetree@vger.kernel.org On 10/15/2012 09:39 PM, Vinod Koul wrote: > On Tue, 2012-10-16 at 10:43 +0800, Shawn Guo wrote: >> On Tue, Sep 25, 2012 at 10:05:01AM +0530, Vinod Koul wrote: >>> On Mon, 2012-09-24 at 17:25 -0500, Jon Hunter wrote: >>>>> For DT bindings, I think the binding itself shouldn't change based on my >>>>> work but I would like these same bindings to help build the DMA engine >>>>> code mappings. >>>>> >>>>> Now would it make sense to NOT merge these changes for 3.7 and postpone >>>>> to 3.8. I can host these patches on a topic branch and merge them when >>>>> we are ready. I plan to spend some good amount of time on my work this >>>>> week so we should be ready pretty soon. >>>>> One these changes are merged, users can start moving to this scheme. >>>> >>>> I just wanted to see how things are progressing your side. Did you >>>> create a topic branch for this? If so let me know where I can find it, I >>>> did not find a branch on your infradead git tree. >>>> >>>> I wanted to pull in the latest patches for some testing. >>> Sorry for delay, I had everything ready, but couldn't manage to commit >>> and push. I have pushed to topic/dmaengine_dt, it is pushing out now... >>> >> Vinod, >> >> Looks it seemed 3.7-rc1. Does that mean we have to wait for 3.8, or >> will it show on later -rc for 3.7? > Yes this will be merged once we work out the common interface, otherwise > we will end up redoing interfaces for all drivers. Hi Vinod, A few people have been asking me if getting device-tree support for DMA engine is plan for record for v3.8. I know that you were working through implementing a common interface and so I wanted to check how that is going. Do you have any insight to when device-tree support may get added? Cheers Jon