Re: [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size

[Maxime Ripard]

Hi Mark,

On Thu, Oct 27, 2016 at 11:47:12PM +0100, Mark Brown wrote:
> > > If the concern from the previous reviews to do with not using DMA is
> > > there some reason it's hard to do DMA?
> 
> > I think just like Alexandru that it is orthogonal. But to really
> > answer, no, it's not difficult. There's just been some fundamental
> > disagreement on whether DMA was supposed to be optional or not that
> > stalled everything I guess.
> 
> Oh, I seem to remember some patches adding DMA support that were doing
> some strange special snowflake thing with ignoring errors now that I
> think about it but that's not this one...  why did nobody ever follow up
> on those?

I have no idea. I think last time we discussed this was last
July. Especially with this in now, there's probably no rush anyway.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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