[U-Boot] [U-Boot, PATCHv3, 2/4] dm: MIGRATION: Add migration plan for DM_USB

[Tom Rini <trini@konsulko.com>]

On Wed, Dec 05, 2018 at 08:14:14AM +0100, Stefan Roese wrote:
> Hi Tom,
> 
> On 04.12.18 05:49, Tom Rini wrote:
> >On Thu, Nov 29, 2018 at 06:21:12PM -0500, Tom Rini wrote:
> >
> >>As much of the USB system has been migrated to DM now, formalize a
> >>deadline for migration.
> >>
> >>Reviewed-by: Marek Vasut <marex@denx.de>
> >>Reviewed-by: Simon Glass <sjg@chromium.org>
> >>Signed-off-by: Tom Rini <trini@konsulko.com>
> >
> >Applied to u-boot/master, thanks!
> 
> Just a quick note on this, since I just tested compiling current
> mainline on MVEBU "theadorable_debug". Here I get:
> 
> ===================== WARNING ======================
> This board does not use CONFIG_DM_USB. Please update
> the board to use CONFIG_DM_USB before the v2019.07 release.
> Failure to update by the deadline may result in board removal.
> See doc/driver-model/MIGRATION.txt for more info.
> ====================================================
> ===================== WARNING ======================
> This board does not use CONFIG_DM_SCSI. Please update
> the storage controller to use CONFIG_DM_SCSI before the v2019.07 release.
> Failure to update by the deadline may result in board removal.
> See doc/driver-model/MIGRATION.txt for more info.
> ====================================================
> 
> The DM_SCSI warning seems to be okay, because of the not converted
> ATA driver sata_mv.c (the controller is unfortunately not AHCI
> compatible). I hope to find some time shortly to work on this.
> 
> But the board definitely uses DM_USB:
> 
> $ gg DM_USB configs/theadorable_debug_defconfig
> configs/theadorable_debug_defconfig:CONFIG_DM_USB=y
> 
> So the DM_USB warning seems to be wrong here.

I think you're "stuck" here because you can't turn on CONFIG_BLK to
silence the CONFIG_DM_USB warning without then breaking sata_mv.c.  The
CONFIG_DM_USB migration isn't complete until you're also using
CONFIG_BLK.

-- 
Tom
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