[PATCH V6 1/2] of: Add generic device tree DMA helpers

Arnd Bergmann arnd at arndb.de
Thu Sep 20 00:24:55 EST 2012


On Wednesday 19 September 2012, Matt Porter wrote:
> > +Optional properties:
> > +- #dma-channels:     Number of DMA channels supported by the controller.
> > +- #dma-requests:     Number of DMA requests signals supported by the
> > +                     controller.
> 
> Shouldn't these two optional properties drop the prefix #?  By
> convention adopted from the various original OF/ePAPR/etc specs, the
> only properties I would expect to see with this prefix are the
> "*-cells" cell sizes. A quick search indicates this is the case
> throughout all the current bindings.

I always assumed that the # prefix is used to indicate that we are counting
things instead of listing them.

	Arnd


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