From: Rob Herring <rob.herr...@calxeda.com> For controllers with no requests/clients (memory to memory only), the
Signed-off-by: Rob Herring <rob.herr...@calxeda.com> Cc: Vinod Koul <vinod.k...@intel.com> Cc: Dan Williams <d...@fb.com> Cc: Grant Likely <grant.lik...@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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
