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SubjectRe: [PATCH 1/2] of: dma: make #dma-cells optional
On Wed, Feb 27, 2013 at 06:57:57PM -0600, Rob Herring wrote:
> From: Rob Herring <rob.herring@calxeda.com>
>
> For controllers with no requests/clients (memory to memory only), the
Change log is truncated...

>
> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
> Cc: Vinod Koul <vinod.koul@intel.com>
> Cc: Dan Williams <djbw@fb.com>
> Cc: Grant Likely <grant.likely@secretlab.ca>
> ---
> 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.
> --
> 1.7.10.4
>


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