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SubjectRe: DMA Engine: Transfer From Userspace
On 22-06-20, 11:25, Federico Vaga wrote:
> On Sat, Jun 20, 2020 at 12:47:16AM +0200, 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
>
> Let me add one more question related to my case. The dmatest module does not
> perform tests on SLAVEs. why?

For slaves, we need some driver to do the peripheral configuration,
dmatest cannot do that and is suited for memcpy operations

Thanks
--
~Vinod

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