linux-kernel - Re: [PATCH v4 ] gpu: drm: replace of_graph_get_next

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Message-ID: <bsvoitn4ygjm7ftiqex7knppf6ykiqort4wf3rb4vlsw6gnu2c@kze7w2f3plha>
Date: Thu, 26 Sep 2024 09:00:54 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc: Rob Herring <robh@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, Thierry Reding <treding@...dia.com>, 
	Simona Vetter <simona@...ll.ch>, Neil Armstrong <neil.armstrong@...aro.org>, 
	Maxime Ripard <mripard@...nel.org>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Jessica Zhang <quic_jesszhan@...cinc.com>, Florian Fainelli <florian.fainelli@...adcom.com>, 
	David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	Alexey Brodkin <abrodkin@...opsys.com>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	linux-rpi-kernel@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 ] gpu: drm: replace of_graph_get_next_endpoint()

On Thu, Sep 26, 2024 at 12:05:42AM GMT, Kuninori Morimoto wrote:
> From DT point of view, in general, drivers should be asking for a
> specific port number because their function is fixed in the binding.
> 
> of_graph_get_next_endpoint() doesn't match to this concept.
> 
> Simply replace
> 
> 	- of_graph_get_next_endpoint(xxx, NULL);
> 	+ of_graph_get_endpoint_by_regs(xxx, 0, -1);
> 
> Link: https://lore.kernel.org/r/20240202174941.GA310089-robh@kernel.org
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> ---
> v3 -> v4
> 	- based on latest linus/master branch
> 
> v2 -> v3
> 	- based on latest linux-next/master
> 	- Add someone to "To" who is thought to be Maintainer
> 
>  drivers/gpu/drm/drm_of.c                              | 4 +++-
>  drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 2 +-
>  drivers/gpu/drm/tiny/arcpgu.c                         | 2 +-
>  3 files changed, 5 insertions(+), 3 deletions(-)

-- 
With best wishes
Dmitry