[PATCH 3/3] ARM: dts: sunxi: Improve sun8i NAND transfers by using DMA

Miquel Raynal miquel.raynal at bootlin.com
Fri Apr 5 02:38:18 PDT 2019


Hi Maxime,

Maxime Ripard <maxime.ripard at bootlin.com> wrote on Fri, 5 Apr 2019
11:18:07 +0200:

> On Thu, Apr 04, 2019 at 06:21:11PM +0200, Miquel Raynal wrote:
> > In the current state, sun8i NAND controllers use PIO during
> > transfers. Throughput can be increased thanks to the use of DMA
> > (mostly during reads, because of the ECC pipelining feature).
> >
> > Besides the usual addition of DMA DT properties, because the sun8i  
> 
> The only thing that "sun8i" means for Allwinner is that the SoC has
> Cortex-A7 CPUs. You need to be more precise than that, why not just
> use A33?

I am always confused. I'll stick to A33 then.


Thanks,
Miquèl
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