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media: v4l: use WARN_ON(1) instead of __WARN()
__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: 97bbdf0 ("media: v4l: Add support for CSI-1 and CCP2 busses") Signed-off-by: Arnd Bergmann <[email protected]> Acked-by: Sakari Ailus <[email protected]> Acked-by: Pavel Machek <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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