Re: [PATCH v5 4/8] arm/dt: probe for platforms via the device tree

[Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>]

* Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org> [110502 14:52]:
> On Mon, May 02, 2011 at 07:39:54PM +0300, Tony Lindgren wrote:
> > 
> > The cmdline is something that bootloaders typically allow to configure,
> > while the other ATAGs are static and should be in the .dts file.
> 
> Once the libfdt code is pulled into to manipulate the command line,
> it becomes trivial to parse the rest of the atags too, so this
> probably won't make much difference (unless work is done to preparse
> the devicetree and provide to the zimage wrapper a direct offset to
> the cmdline buffer in the dtb, but that gets hairy and I really don't
> want to go down that path).
 
OK, makes sense.
  
> > > Adding a default command line to the .dts file instead of using
> > > CONFIG_CMDLINE_FORCE also works.
> > 
> > But that requires carrying extra patches for something that should
> > be user configured.. So not so nice for distros.
> 
> Right, so this is only a stop-gap solution.  I'll add this to the list
> of topics to discuss in the device tree session at Linaro@UDS next
> week.

Thanks

Tony