Subject: [PATCH 1/2] arm: devtree: Save atags if are in DT atags field

From: [email-masked] (Tony Lindgren)
Date: Wed, 24 Jun 2015 22:06:04 -0700

* Arnd Bergmann <[email-masked]> [150515 13:11]:
> On Friday 15 May 2015 21:50:06 Pali Roh?r wrote:
> > @@ -256,5 +257,10 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
> >                         system_rev = 0;
> >         }
> >  
> > +       /* Save atags */
> > +       prop = of_get_flat_dt_prop(dt_root, "atags", NULL);
> > +       if (prop)
> > +               save_atags((void *)prop);
> > +
> >         return mdesc;
> > 
> 
> How about checking whether this is actually running on the one board
> that needs it first?
> 
> I'd rather not introduce something that may end up being considered
> an ABI on other machines.

It seems having this within CONFIG_ARM_ATAG_DTB_COMPAT should be
enough here.

Regards,

Tony