[U-Boot] [PATCH] ppc: Unlock cache-as-ram in a consistent manner

[Liu Dave-R63238]

> > > I've tested this on 86xx boards, it'd be great if someone 
> > > could test on
> > > 83xx and 74xx/7xx.  85xx boards should not be affected by 
> this change.
> > > 
> > > This change assumes 
> > > http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/63423
> > > has already been applied, or the lib/ppc patches in the diffs 
> > > below can
> > > be changed to lib_ppc.
> > 
> > I'm afraid some 83xx boards will not work after the patch 
> is applied.
> > It is some was assuming the data cache locked. (that is 
> cache-inhibited)
> 
> Are you just concerned, or did you actually test the patch, with
> negative results?

I'm just concerned. I didn't test the patch.