gpu: nvgpu: cleanup return types for MISRA 10.3

This is a big cleanup of return types across a number of modules in the
nvgpu driver. Many functions were returning u32 but using negative
return codes. This is a MISRA 10.3 violation by assigning signed values
to a u32.

JIRA NVGPU-647

Change-Id: I59ee66706321f5b5b1a07ed8c24b81583e9ba28c
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1810743
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_vin.h b/drivers/gpu/nvgpu/clk/clk_vin.h
index 209e7055..9396c848 100644
--- a/drivers/gpu/nvgpu/clk/clk_vin.h
+++ b/drivers/gpu/nvgpu/clk/clk_vin.h
@@ -67,8 +67,8 @@ struct vin_device_v20 {
 boardobj_construct construct_vindevice;
 boardobj_pmudatainit vindeviceinit_pmudata_super;
 
-u32 clk_vin_sw_setup(struct gk20a *g);
-u32 clk_vin_pmu_setup(struct gk20a *g);
+int clk_vin_sw_setup(struct gk20a *g);
+int clk_vin_pmu_setup(struct gk20a *g);
 u32 clk_avfs_get_vin_cal_fuse_v10(struct gk20a *g,
                                         struct avfsvinobjs *pvinobjs,
                                         struct vin_device_v20 *pvindev);