From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: Is there a binding for IORESOURCE_DMA population? Date: Sat, 16 Jul 2011 19:33:10 +0200 Message-ID: <201107161933.10632.arnd@arndb.de> References: <20110715163254.GG1840@S2100-06.ap.freescale.net> <201107161719.32543.arnd@arndb.de> <4E21ADC5.5010205@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4E21ADC5.5010205-KZfg59tc24xl57MIdRCFDg@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org To: Tabi Timur-B04825 Cc: Guo Shawn-R65073 , "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" List-Id: devicetree@vger.kernel.org On Saturday 16 July 2011 17:27:02 Tabi Timur-B04825 wrote: > > Arnd Bergmann wrote: > > Why fsl,dma-events? A driver consuming a DMA channel should not > > need to care if it's an freescale DMA controller or something else. > > The SSI, unfortunately, works very closely with the internal mechanics of > the DMA device, so it's not possible to completely separate them. That's ok. My point is that we should have bindings that work for other devices, too. There are a lot of dma engines and a lot of drivers using them, some are closely related and others are not. Arnd