All OMAP platforms: MMC is broken

[linux@arm.linux.org.uk (Russell King - ARM Linux)]

On Thu, Sep 24, 2015 at 04:37:56PM -0700, Tony Lindgren wrote:
> * Russell King - ARM Linux <linux@arm.linux.org.uk> [150924 02:04]:
> > Nightly testing has revealed that both the OMAP3430 LDP and the OMAP4430
> > SDP fail to boot due to lack of working MMC.  Both platforms fail to
> > find their rootfs, which is on a SD card.
> > 
> > The breakage occurred somewhere between trees of September 9th (commit
> > 4e4adb2f4628) and September 12th (commit b0a1ea51bda4), so during the
> > merge window.
> 
> Yes sorry things got messed up in multiple ways :( I've summarized
> the mess here earlier:
> 
> http://article.gmane.org/gmane.linux.kernel.mmc/33911
> 
> And today commit b9c93646fd5c ("regulator: pbias: program pbias register
> offset in pbias driver") hit mainline so I'll send a pull request for
> the related dts change.

It's still broken and untestable.  We're 8 days off it being a full
month worth of failed testing for OMAP3 and OMAP4 platforms.

I think OMAP and MMC people need to do a post-mortem and work out why
this happened, and how to stop it happening again in the future.

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