[linux-sunxi] Re: [PATCH 5/5] ARM: dts: sun7i: Add dts file for Wits Pro A20 DKT

Maxime Ripard maxime.ripard at free-electrons.com
Fri Jul 31 09:56:55 PDT 2015

On Fri, Jul 31, 2015 at 06:25:29PM +0800, Chen-Yu Tsai wrote:
> > Note that it's a bit of a pain for now to support such cases, as
> > there's nothing to tie something from the DT to an SDIO device. I
> > don't have a better solution than marking it always-on at the moment,
> > with a big FIXME comment on top... :/
> One could use the mmc-pwr-seq stuff. I don't know if it has been
> extended for multiple GPIOs, not that you would need it in this use
> case.

It doesn't really improve the situation. It doesn't handle the
regulators, it doesn't allow the real driver to get its resources
either, basically, it's just a hack.

> Maybe we ought to fix up the other ones, like the CubieTruck and A31
> Hummingbird?

I'll do it.


Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
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