Re: [PATCH v4 2/8] OF: Introduce DT overlay support.

[Guenter Roeck]

On 05/26/2014 02:44 PM, Geert Uytterhoeven wrote:
> Hi Grant,
>
> On Mon, May 26, 2014 at 11:33 PM, Grant Likely
> <grant.likely@xxxxxxxxxxxx> wrote:
> > After thinking about it more, I think it is very likely that removing
> > all the overlays is the correct thing to do in the kexec use-case. When
> > kexec-ing, it makes sense that we'd want the exact same behaviour from
> > the kexec'ed kernel. That means we want the device drivers to do the
> > same thing including loading whatever overlays they depend on.
>
> Are the device drivers loading the overlays?
> That sounds a bit backwards to me.

Depends on what you mean with 'device driver'. In our case we have a driver
dedicated to handle card status. Quite similar to what the connector subsystem
does but with significantly more functionality (including devicetree overlay
management).

Guenter

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