[PATCH -next] drm/amdgpu: remove set but not used variable 'ring' in psp_v3_1_ring_stop

* [PATCH -next] drm/amdgpu: remove set but not used variable 'ring' in psp_v3_1_ring_stop
@ 2018-09-29 11:16 YueHaibing
  0 siblings, 0 replies; only message in thread
From: YueHaibing @ 2018-09-29 11:16 UTC (permalink / raw)
  To: alexander.deucher, christian.koenig, David1.Zhou, airlied,
	Shaoyun.Liu, Ken.Wang, Feifei.Xu, ray.huang, evan.quan
  Cc: YueHaibing, amd-gfx, dri-devel, linux-kernel, kernel-janitors

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/amd/amdgpu/psp_v3_1.c: In function 'psp_v3_1_ring_stop':
drivers/gpu/drm/amd/amdgpu/psp_v3_1.c:359:19: warning:
 variable 'ring' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index e1ebf77..cc5e3ac 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -356,12 +356,9 @@ static int psp_v3_1_ring_stop(struct psp_context *psp,
 			      enum psp_ring_type ring_type)
 {
 	int ret = 0;
-	struct psp_ring *ring;
 	unsigned int psp_ring_reg = 0;
 	struct amdgpu_device *adev = psp->adev;
 
-	ring = &psp->km_ring;
-
 	/* Write the ring destroy command to C2PMSG_64 */
 	psp_ring_reg = 3 << 16;
 	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);


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