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Message-ID: <Y+NQUVR9P3hmqFcL@kroah.com>
Date: Wed, 8 Feb 2023 08:33:37 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Saravana Kannan <saravanak@...gle.com>,
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Subject: Re: [PATCH v3 09/12] of: property: Simplify of_link_to_phandle()
On Tue, Feb 07, 2023 at 09:57:14PM +0100, Geert Uytterhoeven wrote:
> Hi Saravana,
>
> On Tue, Feb 7, 2023 at 2:42 AM Saravana Kannan <saravanak@...gle.com> wrote:
> > The driver core now:
> > - Has the parent device of a supplier pick up the consumers if the
> > supplier never has a device created for it.
> > - Ignores a supplier if the supplier has no parent device and will never
> > be probed by a driver
> >
> > And already prevents creating a device link with the consumer as a
> > supplier of a parent.
> >
> > So, we no longer need to find the "compatible" node of the supplier or
> > do any other checks in of_link_to_phandle(). We simply need to make sure
> > that the supplier is available in DT.
> >
> > Signed-off-by: Saravana Kannan <saravanak@...gle.com>
>
> Thanks for your patch!
>
> This patch introduces a regression when dynamically loading DT overlays.
> Unfortunately this happens when using the out-of-tree OF configfs,
> which is not supported upstream. Still, there may be (obscure)
> in-tree users.
As we can't do anything about out-of-tree code, why does this matter?
thanks,
greg k-h
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