[U-Boot] [PATCH RESEND 2/2] cmd: fdt: add fdt overlay application subcommand

Maxime Ripard maxime.ripard at free-electrons.com
Mon May 2 13:10:24 CEST 2016


Hi Simon,

On Sun, May 01, 2016 at 12:55:07PM -0600, Simon Glass wrote:
> Hi Maxime,
> 
> On 4 April 2016 at 12:25, Maxime Ripard
> <maxime.ripard at free-electrons.com> wrote:
> > The device tree overlays are a good way to deal with user-modifyable
> > boards or boards with some kind of an expansion mechanism where we can
> > easily plug new board in (like the BBB or the raspberry pi).
> >
> > However, so far, the usual mechanism to deal with it was to have in Linux
> > some driver detecting the expansion boards plugged in and then request
> > these overlays using the firmware interface.
> >
> > That works in most cases, but in some cases, you might want to have the
> > overlays applied before the userspace comes in. Either because the new
> > board requires some kind of an early initialization, or because your root
> > filesystem is accessed through that expansion board.
> >
> > The easiest solution in such a case is to simply have the component before
> > Linux applying that overlay, removing all these drawbacks.
> >
> > Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
> 
> Will there be a new version of this patch?

Yeah, sorry, I haven't had the time to address all the comments you
made, but there will definitely be a second version addressing the
comments Pantelis, Rob, Stefan and you made.

Probably not before a couple of weeks though :/

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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