Re: DMA Engine: Transfer From Userspace

[Dave Jiang]

On 6/19/2020 3:47 PM, Federico Vaga wrote:
> Hello,
>
> is there the possibility of using a DMA engine channel from userspace?
>
> Something like:
> - configure DMA using ioctl() (or whatever configuration mechanism)
> - read() or write() to trigger the transfer

I may have supposedly promised Vinod to look into possibly providing something 
like this in the future. But I have not gotten around to do that yet. Currently, 
no such support.