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

[Jagan Teki]

On Thu, Mar 29, 2018 at 2:37 PM, Maxime Ripard
<maxime.ripard at bootlin.com> wrote:
> 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.

I do have follow similar approach to remove #ifdef for SPI(_FLASH)
areas, I already written to MMC migration thread hope they come back
with proper.

Jagan.