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Date: Mon, 22 Apr 2024 22:58:57 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Sui Jingfeng <sui.jingfeng@...ux.dev>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, 
	Robert Foss <rfoss@...nel.org>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
	Andrzej Hajda <andrzej.hajda@...el.com>, Jonas Karlman <jonas@...boo.se>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Daniel Vetter <daniel@...ll.ch>, Phong LE <ple@...libre.com>, dri-devel@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/9] drm/bridge: simple-bridge: Add platform module
 alias

On Tue, Apr 23, 2024 at 03:18:57AM +0800, Sui Jingfeng wrote:
> Otherwise when compiled as module, this driver will not be probed on
> non-DT environment. This is a fundamential step to make this driver
> truely OF-independent.
> 
> Signed-off-by: Sui Jingfeng <sui.jingfeng@...ux.dev>
> ---
>  drivers/gpu/drm/bridge/simple-bridge.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/bridge/simple-bridge.c b/drivers/gpu/drm/bridge/simple-bridge.c
> index 3b09bdd5ad4d..6be271d1394b 100644
> --- a/drivers/gpu/drm/bridge/simple-bridge.c
> +++ b/drivers/gpu/drm/bridge/simple-bridge.c
> @@ -308,3 +308,4 @@ module_platform_driver(simple_bridge_driver);
>  MODULE_AUTHOR("Maxime Ripard <maxime.ripard@...e-electrons.com>");
>  MODULE_DESCRIPTION("Simple DRM bridge driver");
>  MODULE_LICENSE("GPL");
> +MODULE_ALIAS("platform:simple-bridge");

I think it would be better to use MODULE_DEVICE_TABLE(platform,
simple_bridge_platform)id_table). Note, there is no such thing as
generic 'simple_bridge'. I'd expect platform device to have a
device-specific name which can be matched by the driver. This requires a
platform_device_id table.

> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry

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