From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH] Disable the non working eMMC on Zoom2/3
Date: Wed, 5 May 2010 11:27:27 -0700
Message-ID: <20100505182727.GA29604@atomide.com>
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To: Madhusudhan <madhu.cr@ti.com>
Cc: 'Nishanth Menon' <nm@ti.com>, "'Ghorai, Sukumar'" <s-ghorai@ti.com>, linux-omap@vger.kernel.org, linux-mmc@vger.kernel.org
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* Madhusudhan <madhu.cr@ti.com> [100430 09:52]:
> <snip>
> 
> > > >
> > > > > Hmm, finally got around looking into this again. Looks like the mmc
> > > > > is now working on my zoom3 with the current Linus' tree at commit
> > > > > 7c6bd2010fced38444c9fd658f4c6ce61bd185bf. So I guess something that
> > > > > we had in omap-fixes fixed this. Or maybe some fix for drivers/mmc?
> > > > >
> > > > > This is with the debug_ll patch applied:
> > > > >
> > > > > https://patchwork.kernel.org/patch/87532/
> > > >
> > > > For the microSD card, turns out the card I used was flakey. So
> > > > that should explain some of the problems. I'm almost certain
> > > > I tried with two different cards earlier though. In any case,
> > > > let's assume the problem is only the eMMC.
> > > >
> > > Sorry, I did not get a complete picture. Your earlier email said that
> > with
> > > Linus tree eMMC on your Zoom3 is working. Is that correct?
> > 
> > Nope, now the microSD is working, eMMC is not working.
> > 
> > > IMHO, an omap level fix can not solve the problem with eMMC because as I
> > can
> > > see from the log you provided above that a 16G device is detected as 1G.
> > > This is certainly due to the issue I mentioned earlier.
> > 
> > OK
> 
> This means that some production boards still have this issue with eMMC. So
> my patch disables the support for MMC2 on zoom boards. Would you consider
> that?

But is it also broken on zoom2?

And what about this "Simulate multi mmc card as one big" patch?

Regards,

Tony