Re: [PATCH RFC 1/3] fpga: region: Add fpga-region property 'fpga-config-from-dmabuf'

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On Fri, Apr 02, 2021 at 02:39:31PM +0530, Nava kishore Manne wrote:
> Add "fpga-config-from-dmabuf" property to allow the bitstream
> configuration from pre-allocated dma-buffer.
> 
> Signed-off-by: Nava kishore Manne <nava.manne@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/fpga/fpga-region.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt
> index 969ca53bb65e..c573cf258d60 100644
> --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt
> +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt
> @@ -177,6 +177,8 @@ Optional properties:
>  	it indicates that the FPGA has already been programmed with this image.
>  	If this property is in an overlay targeting a FPGA region, it is a
>  	request to program the FPGA with that image.
> +- fpga-config-from-dmabuf : boolean, set if the FPGA configured done from the
> +	pre-allocated dma-buffer.

Sounds like an implementation detail of the OS. Doesn't belong in DT.

Rob

>  - fpga-bridges : should contain a list of phandles to FPGA Bridges that must be
>  	controlled during FPGA programming along with the parent FPGA bridge.
>  	This property is optional if the FPGA Manager handles the bridges.
> -- 
> 2.18.0
> 



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