linux-kernel - Re: [PATCH 2/5] drm/bridge: simple-bridge: Extend match support for non-DT based systems

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Date: Wed, 20 Mar 2024 22:34:15 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Sui Jingfeng <sui.jingfeng@...ux.dev>
Cc: David Airlie <airlied@...il.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Daniel Vetter <daniel@...ll.ch>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] drm/bridge: simple-bridge: Extend match support for
 non-DT based systems

On Tue, Jan 23, 2024 at 12:32:17AM +0800, Sui Jingfeng wrote:
> Which is intended to be used on non-DT environment, where the simple-bridge
> platform device is created by either the display controller driver side or
> platform firmware subsystem. To avoid duplication and to keep consistent,
> we choose to reuse the OF match tables. Because the potentional user may
> not has a of_node attached, nor a ACPI match id. If this is the case,
> a software node string property can be provide to fill the niche.

..

> -	sbridge->info = of_device_get_match_data(&pdev->dev);
> +	if (pdev->dev.of_node)
> +		sbridge->info = of_device_get_match_data(&pdev->dev);
> +	else
> +		sbridge->info = simple_bridge_get_match_data(&pdev->dev);

This is wrong. Just use device_get_match_data() instead of of_ counter part.
The rest, if required, has to be addressed elsewhere.

So, formal NAK for the changes like above.

-- 
With Best Regards,
Andy Shevchenko