Re: [PATCH] media: v4l: use WARN_ON(1) instead of __WARN()

[Pavel Machek]

On Tue 2017-07-25 17:39:14, Arnd Bergmann wrote:
> __WARN() cannot be used in portable code, since it is only
> available on some architectures and configurations:
> 
> drivers/media/platform/pxa_camera.c: In function 'pxa_mbus_config_compatible':
> drivers/media/platform/pxa_camera.c:642:3: error: implicit declaration of function '__WARN'; did you mean '__WALL'? [-Werror=implicit-function-declaration]
> 
> The common way to express an unconditional warning is WARN_ON(1),
> so let's use that here.
> 
> Fixes: 97bbdf02d905 ("media: v4l: Add support for CSI-1 and CCP2 busses")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Acked-by: Pavel Machek <pavel@xxxxxx>

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