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Message-Id: <20220504161003.9245-1-guozhengkui@vivo.com>
Date: Thu, 5 May 2022 00:09:29 +0800
From: Guo Zhengkui <guozhengkui@...o.com>
To: Ben Skeggs <bskeggs@...hat.com>, Karol Herbst <kherbst@...hat.com>,
Lyude Paul <lyude@...hat.com>, David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Guo Zhengkui <guozhengkui@...o.com>,
dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Cc: zhengkui_guo@...look.com
Subject: [PATCH] drm/nouveau/devinit: fix returnvar.cocci warnings
Fix the following coccicheck warnings:
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c:71:5-12:
Unneeded variable: "disable". Return "0ULL" on line 90.
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c:35:5-12:
Unneeded variable: "disable". Return "0ULL" on line 44.
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g98.c:35:5-12:
Unneeded variable: "disable". Return "0ULL" on line 50.
Signed-off-by: Guo Zhengkui <guozhengkui@...o.com>
---
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g98.c | 3 +--
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c | 3 +--
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c | 3 +--
3 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g98.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g98.c
index 05729ca19e9a..8977483a9f42 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g98.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g98.c
@@ -32,7 +32,6 @@ g98_devinit_disable(struct nvkm_devinit *init)
struct nvkm_device *device = init->subdev.device;
u32 r001540 = nvkm_rd32(device, 0x001540);
u32 r00154c = nvkm_rd32(device, 0x00154c);
- u64 disable = 0ULL;
if (!(r001540 & 0x40000000)) {
nvkm_subdev_disable(device, NVKM_ENGINE_MSPDEC, 0);
@@ -47,7 +46,7 @@ g98_devinit_disable(struct nvkm_devinit *init)
if (!(r00154c & 0x00000040))
nvkm_subdev_disable(device, NVKM_ENGINE_SEC, 0);
- return disable;
+ return 0ULL;
}
static const struct nvkm_devinit_func
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
index 051cfd6a5caf..5b7cb1fe7897 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
@@ -68,7 +68,6 @@ gf100_devinit_disable(struct nvkm_devinit *init)
{
struct nvkm_device *device = init->subdev.device;
u32 r022500 = nvkm_rd32(device, 0x022500);
- u64 disable = 0ULL;
if (r022500 & 0x00000001)
nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
@@ -87,7 +86,7 @@ gf100_devinit_disable(struct nvkm_devinit *init)
if (r022500 & 0x00000200)
nvkm_subdev_disable(device, NVKM_ENGINE_CE, 1);
- return disable;
+ return 0ULL;
}
void
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
index 4323732a3cb2..8955af2704c7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
@@ -32,7 +32,6 @@ gm107_devinit_disable(struct nvkm_devinit *init)
struct nvkm_device *device = init->subdev.device;
u32 r021c00 = nvkm_rd32(device, 0x021c00);
u32 r021c04 = nvkm_rd32(device, 0x021c04);
- u64 disable = 0ULL;
if (r021c00 & 0x00000001)
nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);
@@ -41,7 +40,7 @@ gm107_devinit_disable(struct nvkm_devinit *init)
if (r021c04 & 0x00000001)
nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
- return disable;
+ return 0ULL;
}
static const struct nvkm_devinit_func
--
2.20.1
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