Messages in this thread | | | Date | Thu, 7 Mar 2013 12:04:26 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH 1/2] of: dma: make #dma-cells optional |
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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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