linux-kernel - Re: [PATCH v2 2/3] of: property: Improve finding the supplier of a remote-endpoint property

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Date: Wed, 28 Feb 2024 16:01:07 -0600
From: Rob Herring <robh+dt@...nel.org>
To: Luca Ceresoli <luca.ceresoli@...tlin.com>
Cc: Saravana Kannan <saravanak@...gle.com>, Frank Rowand <frowand.list@...il.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Xu Yang <xu.yang_2@....com>, kernel-team@...roid.com, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Hervé Codina <herve.codina@...tlin.com>
Subject: Re: [PATCH v2 2/3] of: property: Improve finding the supplier of a
 remote-endpoint property

On Fri, Feb 23, 2024 at 10:18 AM Luca Ceresoli
<luca.ceresoli@...tlin.com> wrote:
>
> Hello Saravana,
>
> [+cc Hervé Codina]
>
> On Tue,  6 Feb 2024 17:18:01 -0800
> Saravana Kannan <saravanak@...gle.com> wrote:
>
> > After commit 4a032827daa8 ("of: property: Simplify of_link_to_phandle()"),
> > remote-endpoint properties created a fwnode link from the consumer device
> > to the supplier endpoint. This is a tiny bit inefficient (not buggy) when
> > trying to create device links or detecting cycles. So, improve this the
> > same way we improved finding the consumer of a remote-endpoint property.
> >
> > Fixes: 4a032827daa8 ("of: property: Simplify of_link_to_phandle()")
> > Signed-off-by: Saravana Kannan <saravanak@...gle.com>
>
> After rebasing my own branch on v6.8-rc5 from v6.8-rc1 I started
> getting unexpected warnings during device tree overlay removal. After a
> somewhat painful bisection I identified this patch as the one that
> triggers it all.

How are you applying the overlay?

Rob