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

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Message-Id: <20170320093936.1255573-1-arnd@arndb.de>
Date:   Mon, 20 Mar 2017 10:39:25 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Rob Clark <robdclark@...il.com>, David Airlie <airlied@...ux.ie>
Cc:     Arnd Bergmann <arnd@...db.de>,
        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: [PATCH] drm/msm: add stubs for msm_{perf,rd}_debugfs_cleanup

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>
---
 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