[U-Boot] arm: sunxi: Bananapi_M2_Ultra not working with DM_MMC

[Jagan Teki]

On Tue, Apr 9, 2019 at 12:02 AM Michael Nazzareno Trimarchi
<michael at amarulasolutions.com> wrote:
>
> Hi jagan
>
>
> On Mon., 8 Apr. 2019, 8:26 pm Tom Rini, <trini at konsulko.com> wrote:
>>
>> On Mon, Apr 08, 2019 at 06:23:29PM +0530, Jagan Teki wrote:
>> > Hi Paul,
>> >
>> > On Mon, Apr 8, 2019 at 6:00 PM Paul Kocialkowski
>> > <paul.kocialkowski at bootlin.com> wrote:
>> > >
>> > > Hi,
>> > >
>> > > On Thu, 2019-04-04 at 05:51 -0300, Pablo Sebastián Greco wrote:
>> > > > A few days ago I tried to boot my Bananapi_M2_Ultra with 2019.04rc, I
>> > > > found that it wasn't booting, 2019.01 was working ok.
>> > > > Bisecting indicated that the problem was after
>> > > > http://git.denx.de/?p=u-boot.git;a=commitdiff;h=a7cca5793774ee139b75a704d6efaa4d29f09f93
>> > >
>> > > I think the patch should be reverted ASAP since it obviously breaks
>> > > some supported configs. Sadly, the offending commit doesn't say
>> > > anything about the test coverage for the change and what the status is
>> > > after it. There is probably a reason why it was enabled for sun4i only
>> > > before and there must have been a motivation for doing this on all
>> > > sunxi platforms, but then again, the commit message says nothing about
>> > > those underlying reasons.
>> > >
>> > > I believe we should be more strict on patch review and not let any
>> > > change bringing such a major change get applied with a commit message
>> > > that provides no context about why the change is okay and how it was
>> > > tested.
>> >
>> > Appropriate your concern.
>> >
>> > If you please list what all boards are not working with this effect,
>> > please write back. we will defiantly look into it. All these changes
>> > were merged in MW which is 2.5 months back, commenting in final stage
>> > like this is not the professional way.
>>
>> Being release day, here's my big concern.  How bad is this?  Is it a
>> single platform?  Later in the thread Jagan did enumerate the SoCs he
>> tested the overall series on.  But there's a lot of Allwinner SoCs and
>> boards.  I have a pine64 somewhere around here, but that's already been
>> checked off.  My other allwinner platform I took out of my testing loop
>> due to it not being a reliable piece of hardware.  So, does anyone have
>> a feel for how many platforms may or may not be broken right now?
>> Thanks!
>
>
> You have 13 to 15 boards. Can you just report all of them?

Issue, seems to be on SCSI side. MMC is able to probe and boot (you
may see initial logs on the thread). Enabling DM_MMC breaking SCSI
reads, debugging same with Pablo will get back.