linux-kernel - [PATCH 4.9 137/152] drm/msm/adreno: move function declarations to header file

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Date:   Mon, 10 Apr 2017 18:43:09 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Baoyou Xie <baoyou.xie@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 137/152] drm/msm/adreno: move function declarations to header file

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Baoyou Xie <baoyou.xie@...aro.org>

[ Upstream commit a5725ab0497ad91a2df7c01a78bf1a0cc5be4526 ]

We get 2 warnings when building kernel with W=1:
drivers/gpu/drm/msm/adreno/a3xx_gpu.c:535:17: warning: no previous prototype for 'a3xx_gpu_init' [-Wmissing-prototypes]
drivers/gpu/drm/msm/adreno/a4xx_gpu.c:624:17: warning: no previous prototype for 'a4xx_gpu_init' [-Wmissing-prototypes]

In fact, both functions are declared in
drivers/gpu/drm/msm/adreno/adreno_device.c, but should be declared
in a header file. So this patch moves both function declarations to
drivers/gpu/drm/msm/adreno/adreno_gpu.h.

Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
Reviewed-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Daniel Vetter <daniel.vetter@...ll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1477127865-9381-1-git-send-email-baoyou.xie@linaro.org
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/msm/adreno/adreno_device.c |    3 ---
 drivers/gpu/drm/msm/adreno/adreno_gpu.h    |    3 +++
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -25,9 +25,6 @@ bool hang_debug = false;
 MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)");
 module_param_named(hang_debug, hang_debug, bool, 0600);
 
-struct msm_gpu *a3xx_gpu_init(struct drm_device *dev);
-struct msm_gpu *a4xx_gpu_init(struct drm_device *dev);
-
 static const struct adreno_info gpulist[] = {
 	{
 		.rev   = ADRENO_REV(3, 0, 5, ANY_ID),
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -311,4 +311,7 @@ static inline void adreno_gpu_write(stru
 		gpu_write(&gpu->base, reg - 1, data);
 }
 
+struct msm_gpu *a3xx_gpu_init(struct drm_device *dev);
+struct msm_gpu *a4xx_gpu_init(struct drm_device *dev);
+
 #endif /* __ADRENO_GPU_H__ */