Messages in this thread | | | Date | Wed, 2 Nov 2016 18:47:53 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size |
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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 [unhandled content-type:application/pgp-signature] | |