Re: rcar_du_kms.c:781:24: error: passing argument 1 of '__drmm_add_action' from incompatible pointer type

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On Mon, 1 Mar 2021 at 23:11, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
>
> On stable rc 5.11 the x86_64 build failed due to below errors/warnings.

These build failures were also noticed on stable rc 5.10 for arm64,
arm, x86_64, and i386 architectures.

>
> drivers/gpu/drm/rcar-du/rcar_du_kms.c: In function 'rcar_du_modeset_cleanup':
> drivers/gpu/drm/rcar-du/rcar_du_kms.c:754:32: error: implicit
> declaration of function 'to_rcar_du_device'; did you mean
> 'to_rtc_device'? [-Werror=implicit-function-declaration]
>   struct rcar_du_device *rcdu = to_rcar_du_device(dev);
>                                 ^~~~~~~~~~~~~~~~~
>                                 to_rtc_device
> drivers/gpu/drm/rcar-du/rcar_du_kms.c:754:32: warning: initialization
> makes pointer from integer without a cast [-Wint-conversion]
> In file included from drivers/gpu/drm/rcar-du/rcar_du_kms.c:17:0:
> drivers/gpu/drm/rcar-du/rcar_du_kms.c: In function 'rcar_du_modeset_init':
> drivers/gpu/drm/rcar-du/rcar_du_kms.c:781:24: error: passing argument
> 1 of '__drmm_add_action' from incompatible pointer type
> [-Werror=incompatible-pointer-types]
>   ret = drmm_add_action(&rcdu->ddev, rcar_du_modeset_cleanup, NULL);
>                         ^
> include/drm/drm_managed.h:25:20: note: in definition of macro 'drmm_add_action'
>   __drmm_add_action(dev, action, data, #action)
>                     ^~~
> include/drm/drm_managed.h:27:18: note: expected 'struct drm_device *'
> but argument is of type 'struct drm_device **'
>  int __must_check __drmm_add_action(struct drm_device *dev,
>                   ^~~~~~~~~~~~~~~~~
> cc1: some warnings being treated as errors
>
> Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
>
> Build link,
> https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-5.11/DISTRO=lkft,MACHINE=ls2088ardb,label=docker-buster-lkft/8/consoleText
>
> --
> Linaro LKFT
> https://lkft.linaro.org
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