[U-Boot] is it mandatory for SPL to support DM

[Simon Glass]

Hi,

On Mon, 25 May 2020 at 04:35, Marek Vasut <marex at denx.de> wrote:
>
> On 5/25/20 10:44 AM, Jagan Teki wrote:
> > SPL has a foot-print constraint, so fully switching a particular
> > subsystem like SPI or SPI Flash to DM would increase the size of it.
> >
> > Possible areas to look at are (assume SPL_DM supported)
> > 1) platdata
> > 2) implement board or platform specific spl device driver which
> > bypassed the actual framework ex: spl_spi_sunxi.c
> >
> > Do we have any other solutions? or any arguments on above step 2?
>
> SPL does not need to support DM until the size problem is solved.

I don't think the problem will ever be 'solved'. It is an ongoing battle.

But as it happens I've just sent a proposal for tiny-dm that I think will help.

Jagan, which board are you trying to convert? If you are trying to
convert SPI flash, I think we need to remove the legacy code first.

Regards,
Simon