[U-Boot] mpc85xx, mpc86xx: device tree model

[Tom Rini]

On Sun, Mar 17, 2019 at 03:01:32AM +0000, Prabhakar Kushwaha wrote:
> 
> > -----Original Message-----
> > From: Tom Rini <trini at konsulko.com>
> > Sent: Friday, March 15, 2019 9:36 PM
> > To: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
> > Cc: u-boot at lists.denx.de; York Sun <york.sun at nxp.com>
> > Subject: Re: mpc85xx, mpc86xx: device tree model
> > 
> > On Fri, Mar 15, 2019 at 05:05:06AM +0000, Prabhakar Kushwaha wrote:
> > 
> > > Hi Tom,
> > >
> > > I am seeing following type of build warnings for MMC.
> > >
> > > +===================== WARNING ====================== This board
> > does
> > > +not use CONFIG_DM_MMC. Please update the board to use
> > CONFIG_DM_MMC
> > > +before the v2019.04 release.
> > > +Failure to update by the deadline may result in board removal.
> > > +See doc/driver-model/MIGRATION.txt for more info.
> > >
> > > Considering "number" of powerpc platform are not migrated to deice
> > > tree. They can not be migrated to CONFIG_DM_MMC withing v2019.04
> > > time-frame (considering rc4 is on 18th march).
> > > v2019.07 looks feasible for removing all warning which includes
> > > CONFIG_DM_USB, CONFIG_DM_SCSI, CONFIG_DM_PCI,
> > CONFIG_DM_SPI_FLASH and
> > > CONFIG_DM_MMC.
> > >
> > > is there any plan of removing boards which don't have CONFIG_DM_MMC
> > > for v2019.04?
> > 
> > Good question.  Where exactly are we with getting more of PowerPC brought up
> > to date with these requirements?  
> 
> There are only 2 platforms which are on device tree model. 
> 
> Rest (65 targets) still need to be ported. Here 13 are non-NXP and 52 NXP. 
> I am working internally to get staffed for porting of NXP platform. 
> For non-NXP , I will reaching platform owners for migration.
> 
> It will take some time.  

OK.

> > I've mentioned before and will say it again,
> > I'm inclined to start marking stuff as 'depends on BROKEN' for a release and then
> > pulling the underlying code (so in this case, non-DM code from
> > drivers/mmc/mmc.c and other MMC-core) for the release following.
> 
> Is enabling 'depends on BROKEN', still allow platform to build and use?

Yes, but it'll only buy a little bit of time.  Thanks!

-- 
Tom
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