Extern or forward variable declaration at drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.h, line 29 References: drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 50 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 60 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 67 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 77 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 93 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 116 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 125 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 176 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 222 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 322 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 397 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 414 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 453 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 472 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 506 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 517 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 530 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 553 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 580 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 592 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 598 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 616 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 649 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 660 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 679 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c, line 690 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.h, line 29 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.h, line 31 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.h, line 32