From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: Re: [PATCH v3 0/7] of: setup dma parameters using dma-ranges and dma-coherent Date: Mon, 2 Jun 2014 11:54:36 -0400 Message-ID: <538C9E3C.2000103@ti.com> References: <1398353407-2345-1-git-send-email-santosh.shilimkar@ti.com> <20140602063702.GB7834@dragon> <538C7B22.2020107@ti.com> <4197388.OE67ahhtqp@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4197388.OE67ahhtqp@wuerfel> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Arnd Bergmann , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: Shawn Guo , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "Strashko, Grygorii" , Russell King , Greg Kroah-Hartman , Linus Walleij , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Olof Johansson , Rob Herring , Catalin Marinas , Grant Likely List-Id: devicetree@vger.kernel.org Arnd, On Monday 02 June 2014 11:06 AM, Arnd Bergmann wrote: > On Monday 02 June 2014 09:24:50 Santosh Shilimkar wrote: >> On Monday 02 June 2014 02:37 AM, Shawn Guo wrote: >>> On Thu, Apr 24, 2014 at 11:30:00AM -0400, Santosh Shilimkar wrote: >>>> Here is an updated v3 of the series. Series introduces support for setting up >>>> dma parameters based on device tree properties like 'dma-ranges' and >>>> 'dma-coherent' and also update to ARM 32 bit port. Earlier version of the >>>> series can be found here [3], [2] and [1]. >>> >>> Are these two generic device tree properties documented somewhere under >>> Documentation/devicetree/bindings? >>> >> These bindings have been already in use before this series. But looks like >> they have not been documented. I will do a patch to add description for those >> couple of parameters. > > dma-ranges is part of ePAPR, and was documented in some ieee-1275 addenda > before that, but I agree it would be nice to have something in kernel as > well, at the minimum something pointing to the relevant documents. > We are thinking of updating 'Documentation/devicetree/bindings/dma/dma.txt' to add the information for these extra two parameters. Is that fine or any other suggestion ? Regards, Santosh -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html