linux-kernel - [PATCH] drm/nouveau/nouveau

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Date:	Sun, 11 Jan 2015 23:31:35 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	David Airlie <airlied@...ux.ie>, Ben Skeggs <bskeggs@...hat.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Maarten Lankhorst <maarten.lankhorst@...onical.com>,
	Alexandre Courbot <acourbot@...dia.com>,
	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm/nouveau/nouveau_bo: Remove unused function

Remove the function nouveau_bo_rd16() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c |   12 ------------
 drivers/gpu/drm/nouveau/nouveau_bo.h |    1 -
 2 files changed, 13 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 3d474ac..7cde2e0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -418,18 +418,6 @@ nouveau_bo_validate(struct nouveau_bo *nvbo, bool interruptible,
 	return 0;
 }
 
-u16
-nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index)
-{
-	bool is_iomem;
-	u16 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
-	mem = &mem[index];
-	if (is_iomem)
-		return ioread16_native((void __force __iomem *)mem);
-	else
-		return *mem;
-}
-
 void
 nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val)
 {
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h
index 22d2c76..82aaebd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.h
@@ -77,7 +77,6 @@ int  nouveau_bo_unpin(struct nouveau_bo *);
 int  nouveau_bo_map(struct nouveau_bo *);
 void nouveau_bo_unmap(struct nouveau_bo *);
 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
-u16  nouveau_bo_rd16(struct nouveau_bo *, unsigned index);
 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
 u32  nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
-- 
1.7.10.4

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