Re: [PATCH v2 2/4] usb: dwc2: Add binding for AHB burst

[Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

On Wed, Nov 16, 2016 at 03:47:18PM -0800, John Youn wrote:
> Add the "snps,ahb-burst" binding and read it in.
> 
> This property controls which burst type to perform on the AHB bus as a
> master in internal DMA mode. This overrides the legacy param value,
> which we need to keep around for now since several platforms use it.
> 
> Some platforms may see better or worse performance based on this
> value. The HAPS platform is one example where all INCRx have worse
> performance than INCR.
> 
> Other platforms (such as the Canyonlands board) report that the default
> value causes system hangs.
> 
> Signed-off-by: John Youn <johnyoun-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
> Cc: Christian Lamparter <chunkeey-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
> ---
>  Documentation/devicetree/bindings/usb/dwc2.txt |  2 +

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

>  drivers/usb/dwc2/core.h                        |  9 +++++
>  drivers/usb/dwc2/params.c                      | 56 ++++++++++++++++++++++++++
>  3 files changed, 67 insertions(+)
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