linux-kernel - Re: [PATCH] drm/panel: novatek-nt36672e: Include <linux/of.h>

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Date: Tue, 16 Jan 2024 10:09:25 +0100
From: neil.armstrong@...aro.org
To: Ritesh Kumar <quic_riteshk@...cinc.com>, quic_jesszhan@...cinc.com,
 sam@...nborg.org, maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
 tzimmermann@...e.de, airlied@...il.com, daniel@...ll.ch, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, quic_abhinavk@...cinc.com,
 quic_rajeevny@...cinc.com, quic_vproddut@...cinc.com
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel: novatek-nt36672e: Include <linux/of.h>

On 16/01/2024 08:18, Ritesh Kumar wrote:
> Include <linux/of.h> instead of <linux/of_device.h> to fix
> below compilation errors:
> 
> drivers/gpu/drm/panel/panel-novatek-nt36672e.c:564:14: error: implicit declaration of function 'of_device_get_match_data'
>    ctx->desc = of_device_get_match_data(dev);
>                ^
> drivers/gpu/drm/panel/panel-novatek-nt36672e.c:622:34: error: array type has incomplete element type 'struct of_device_id'
>   static const struct of_device_id nt36672e_of_match[] = {
>                                    ^
> 
> Signed-off-by: Ritesh Kumar <quic_riteshk@...cinc.com>
> 
> ---
> In the patch https://lore.kernel.org/all/20231129164316.2663565-1-robh@kernel.org/,
> include of <linux/of.h> from of_device.h was removed. This change was not present
> in my local build resulting in successful compilation while posting
> https://lore.kernel.org/all/20240108095902.22725-3-quic_riteshk@quicinc.com/.
> ---
>   drivers/gpu/drm/panel/panel-novatek-nt36672e.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
> index d4e85c2fc899..cb7406d74466 100644
> --- a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
> +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
> @@ -4,7 +4,7 @@
>   #include <linux/delay.h>
>   #include <linux/gpio/consumer.h>
>   #include <linux/module.h>
> -#include <linux/of_device.h>
> +#include <linux/of.h>
>   #include <linux/regulator/consumer.h>
>   
>   #include <drm/drm_mipi_dsi.h>

Fixes: ea4f9975625a ("drm/panel: Add support for Novatek NT36672E panel driver")
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>