linux-kernel - [PATCH] gpu/drm/amdgpu: Fix build when CONFIG_DEBUG

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Date:	Sat, 27 Jun 2015 13:16:05 +0600
From:	Alexander Kuleshov <kuleshovmail@...il.com>
To:	David Airlie <airlied@...ux.ie>,
	Christian König <christian.koenig@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Jammy Zhou <Jammy.Zhou@....com>, "monk.liu" <monk.liu@....com>,
	Marek Olšák <marek.olsak@....com>
Cc:	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Alexander Kuleshov <kuleshovmail@...il.com>
Subject: [PATCH] gpu/drm/amdgpu: Fix build when CONFIG_DEBUG_FS is not set

If the CONFIG_DEBUG_FS is not selected, compilation of the
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c provides two warnings that
amdgpu_debugfs_regs_init and amdgpu_debugfs_regs_cleanup are used but
never defined. And as result:

ERROR: "amdgpu_debugfs_regs_cleanup" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
ERROR: "amdgpu_debugfs_regs_init" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
            ^

Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index fec487d..6896798 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2000,5 +2000,10 @@ int amdgpu_debugfs_init(struct drm_minor *minor)
 void amdgpu_debugfs_cleanup(struct drm_minor *minor)
 {
 }
+#else
+static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
+{
+	return 0;
+}
+static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { }
 #endif
--
2.4.4.410.gc71d752

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