On Wednesday 18 June 2014 22:00:54 Russell King - ARM Linux 
wrote:
> On Wed, Jun 18, 2014 at 09:22:29PM +0200, Pali Rohár wrote:
> > So without this patch DT migration for Nokia N900 cannot be
> > done without breaking userspace - which is not
> > acceptable...
> > 
> > Also I still did not know why DT kernel does not report
> > Revision number which is passed by bootloader via atags.
> > Any idea?
> 
> It was a concious decision by the DT people to exclude most of
> the ATAGs which provide that information.  Only memory
> information and command line ATAGs are merged into DT.  Every
> other tag is ignored (as there's no place for it in DT.)

So how to read Revision and Serial number in DT based kernel? 

-- 
Pali Rohár
pali.rohar@gmail.com