Re: [PATCH] ARM: dts: sun8i: add NAND controller node for A23/A33

[Maxime Ripard]

Hi,

On Wed, Aug 24, 2016 at 04:21:35PM +0800, Icenowy Zheng wrote:
> Hi Maxime,
> 
> 24.08.2016, 14:02, "Maxime Ripard" <maxime.ripard@xxxxxxxxxxxxxxxxxx>:
> > Hi,
> >
> > On Tue, Aug 23, 2016 at 09:55:46PM +0800, Icenowy Zheng wrote:
> >>  A23/A33 has a NAND controller which can now be used properly.
> >>
> >>  Add a device node for it.
> >>
> >>  The DMA function cannot work because of changed DMA IP block, so it's
> >>  temporarily removed in the device node. However, with PIO mode it can still
> >>  work.
> >
> > What is preventing the NAND driver to work with DMA with the sun6i driver?
>
> It seems that under sun6i we should use dedicated rx and tx DMAs, but not a
> "rxtx" DMA.

Ah, I see. I just applied your patch, thanks!
Maxime

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

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