linux-kernel - Re: [PATCH] drm/msm: add stubs for msm_{perf,rd}_debugfs

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Date:   Mon, 20 Mar 2017 10:59:30 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Rob Clark <robdclark@...il.com>, David Airlie <airlied@...ux.ie>,
        Archit Taneja <architt@...eaurora.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm: add stubs for msm_{perf,rd}_debugfs_cleanup

On Mon, Mar 20, 2017 at 10:39:25AM +0100, Arnd Bergmann wrote:
> We now call those two functions even when they are not defined
> or declared anywhere because DEBUG_FS is disabled:
> 
> drivers/gpu/drm/msm/msm_drv.c: In function 'msm_drm_uninit':
> drivers/gpu/drm/msm/msm_drv.c:244:2: error: implicit declaration of function 'msm_perf_debugfs_cleanup';did you mean 'msm_framebuffer_cleanup'? [-Werror=implicit-function-declaration]
> drivers/gpu/drm/msm/msm_drv.c:245:2: error: implicit declaration of function 'msm_rd_debugfs_cleanup';did you mean 'msm_framebuffer_cleanup'? [-Werror=implicit-function-declaration]
> 
> This adds empty stub implementations for that case.
> 
> Fixes: 85eac4700ede ("drm/msm: Remove msm_debugfs_cleanup()")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Pushed to drm-misc-next to patch up the .config fail.

Thanks, Daniel
> ---
>  drivers/gpu/drm/msm/msm_drv.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
> index b51fb0d70f43..b885c3d5ae4d 100644
> --- a/drivers/gpu/drm/msm/msm_drv.h
> +++ b/drivers/gpu/drm/msm/msm_drv.h
> @@ -311,6 +311,8 @@ void msm_perf_debugfs_cleanup(struct msm_drm_private *priv);
>  #else
>  static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; }
>  static inline void msm_rd_dump_submit(struct msm_gem_submit *submit) {}
> +static inline void msm_rd_debugfs_cleanup(struct msm_drm_private *priv) {}
> +static inline void msm_perf_debugfs_cleanup(struct msm_drm_private *priv) {}
>  #endif
>  
>  struct clk *msm_clk_get(struct platform_device *pdev, const char *name);
> -- 
> 2.9.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch