From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: Re: [PATCH 1/2] of: dma: make #dma-cells optional Date: Wed, 27 Feb 2013 19:33:49 -0600 Message-ID: <512EB3FD.2000207@ti.com> References: <1362013078-2213-1-git-send-email-robherring2@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1362013078-2213-1-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@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" To: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org List-Id: devicetree@vger.kernel.org On 02/27/2013 06:57 PM, Rob Herring wrote: > From: Rob Herring > > For controllers with no requests/clients (memory to memory only), the Looks like the changelog got truncated. > Signed-off-by: Rob Herring > Cc: Vinod Koul > Cc: Dan Williams > Cc: Grant Likely > --- > Documentation/devicetree/bindings/dma/dma.txt | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/dma/dma.txt b/Documentation/devicetree/bindings/dma/dma.txt > index 8f504e6..d388f06 100644 > --- a/Documentation/devicetree/bindings/dma/dma.txt > +++ b/Documentation/devicetree/bindings/dma/dma.txt > @@ -8,9 +8,10 @@ controller. > * DMA controller > > Required property: > -- #dma-cells: Must be at least 1. Used to provide DMA controller > - specific information. See DMA client binding below for > - more details. > +- #dma-cells: Required for controllers with requests. Optional for > + memory to memory only DMA controllers. Must be at least > + 1. Used to provide DMA controller specific information. > + See DMA client binding below for more details. > > Optional properties: > - dma-channels: Number of DMA channels supported by the controller. Otherwise ... Acked-by: Jon Hunter Cheers Jon