[U-Boot] [PATCH v4 13/19] sunxi: DT: A64: update board .dts files from Linux

[Maxime Ripard]

On Wed, Mar 28, 2018 at 11:29:10PM +0530, Jagan Teki wrote:
> On Wed, Mar 28, 2018 at 4:45 PM, Maxime Ripard
> <maxime.ripard at bootlin.com> wrote:
> > On Wed, Mar 28, 2018 at 03:22:20PM +0530, Jagan Teki wrote:
> >> >> May it's good option to look at v3 changes, since DM_MMC Migration
> >> >> expires in coming release, dt changes which are related to MMC we can
> >> >> wait for proper supported feature get IN(like pinctrl, clock, reset),
> >> >> that means we should anyway need to move DM_MMC but with working dt
> >> >> changes.
> >> >>
> >> >> The big question for me here is about SPL, I'm sure we can get the
> >> >> size issues. May be we try platdata but in any case we need to enable
> >> >> DM ie increase the size (atleast for A64, H5)
> >> >
> >> > So my understanding is that those DM_<SUBSYS> defines are just for
> >> > U-Boot proper, and the SPL needs extra symbols to be also "DMed".
> >>
> >> I don't think so, Idea about migrating to BLK, DM_MMC should remove
> >> #ifdef code with DM vs non-DM such that the driver should have DM
> >> version with DT along with PLATDATA
> >
> > I'm not even sure what is the point of having the DM in the SPL. We
> > won't be able to have any of the benefits due to our size constraint.
> 
> True, but what if MIGRATION.txt intention is to remove old or non-dm
> code after v2018.05?

Then that intention is unreallistic, and unless the one that wrote it
can make it fit in the SPL of all platforms, that's just wishful
thinking.

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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