Re: PCIe dmaengine driver on both x86 and ARM64

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On Thu, Oct 27, 2016 at 12:57:08PM +0000, Bharat Kumar Gogada wrote:
> Hi All,
> 
> We have a PCIe end point with DMA controller in it. 
> We are planning to code using DMA frame work for this DMA controller.
> 
> The PCIe End Point can be used on both ARM64 and x86 platforms.
> 
> We are planning to develop dmaengine driver and client driver model.
> 
> In ARM64 case dmaengine driver and client driver are probed using device tree and also 
> channel information is also obtained from device tree.

I think more details are necessary here.

Why is *anything* necessary in the DT if this is contained within a
(probeable) PCIe endpoint?

What set of clients are you expecting this to be used with? Are these
not within the same endpoint?

Thanks,
Mark.
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