linux-kernel - Re: [PATCH v2 13/20] drm/tilcdc: Remove the useless module list support

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Message-Id: <DF0K7JPSOKLU.3V1FT4LAZSPGB@bootlin.com>
Date: Wed, 17 Dec 2025 15:25:40 +0100
From: "Luca Ceresoli" <luca.ceresoli@...tlin.com>
To: "Kory Maincent (TI.com)" <kory.maincent@...tlin.com>, "Jyri Sarha"
 <jyri.sarha@....fi>, "Tomi Valkeinen" <tomi.valkeinen@...asonboard.com>,
 "Maarten Lankhorst" <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard"
 <mripard@...nel.org>, "Thomas Zimmermann" <tzimmermann@...e.de>, "David
 Airlie" <airlied@...il.com>, "Simona Vetter" <simona@...ll.ch>, "Rob
 Herring" <robh@...nel.org>, "Krzysztof Kozlowski" <krzk+dt@...nel.org>,
 "Conor Dooley" <conor+dt@...nel.org>, "Russell King"
 <linux@...linux.org.uk>, "Bartosz Golaszewski" <brgl@...ev.pl>, "Tony
 Lindgren" <tony@...mide.com>, "Andrzej Hajda" <andrzej.hajda@...el.com>,
 "Neil Armstrong" <neil.armstrong@...aro.org>, "Robert Foss"
 <rfoss@...nel.org>, "Laurent Pinchart" <Laurent.pinchart@...asonboard.com>,
 "Jonas Karlman" <jonas@...boo.se>, "Jernej Skrabec"
 <jernej.skrabec@...il.com>
Cc: "Markus Schneider-Pargmann" <msp@...libre.com>, "Bajjuri Praneeth"
 <praneeth@...com>, "Louis Chauvet" <louis.chauvet@...tlin.com>, "Thomas
 Petazzoni" <thomas.petazzoni@...tlin.com>, "Miguel Gazquez"
 <miguel.gazquez@...tlin.com>, <dri-devel@...ts.freedesktop.org>,
 <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <linux-arm-kernel@...ts.infradead.org>, <linux-omap@...r.kernel.org>
Subject: Re: [PATCH v2 13/20] drm/tilcdc: Remove the useless module list
 support

On Thu Dec 11, 2025 at 5:38 PM CET, Kory Maincent (TI.com) wrote:
> The tilcdc driver previously supported a sub-module system where
> external display drivers (panels, encoders) could register themselves
> through tilcdc_module_init() and be automatically initialized through
> a module list. This infrastructure became unused after the component
> framework support and panel driver was removed.
>
> Signed-off-by: Kory Maincent (TI.com) <kory.maincent@...tlin.com>

[...]

> @@ -562,24 +533,7 @@ static struct platform_driver tilcdc_platform_driver = {
>  		.of_match_table = tilcdc_of_match,
>  	},
>  };
> -
> -static int __init tilcdc_drm_init(void)
> -{
> -	if (drm_firmware_drivers_only())
> -		return -ENODEV;
> -
> -	DBG("init");
> -	return platform_driver_register(&tilcdc_platform_driver);
> -}
> -
> -static void __exit tilcdc_drm_fini(void)
> -{
> -	DBG("fini");
> -	platform_driver_unregister(&tilcdc_platform_driver);
> -}
> -
> -module_init(tilcdc_drm_init);
> -module_exit(tilcdc_drm_fini);
> +module_platform_driver(tilcdc_platform_driver);

Is this hunk related to the removal of the module list? Looks like it
should be a separate patch.

With that hunk removed (or kept if I'm wrong and it should stay):
Reviewed-by: Luca Ceresoli <luca.ceresoli@...tlin.com>

--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com