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, 3 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/boardobj/boardobj.c b/drivers/gpu/nvgpu/boardobj/boardobj.c
index 5f726935..b7892c78 100644
--- a/drivers/gpu/nvgpu/boardobj/boardobj.c
+++ b/drivers/gpu/nvgpu/boardobj/boardobj.c
@@ -26,7 +26,7 @@
 #include "boardobj.h"
 #include "ctrl/ctrlboardobj.h"
 
-u32 boardobj_construct_super(struct gk20a *g, struct boardobj **ppboardobj,
+int boardobj_construct_super(struct gk20a *g, struct boardobj **ppboardobj,
                                 u16 size, void *args)
 {
         struct boardobj  *pboardobj = NULL;
@@ -61,7 +61,7 @@ u32 boardobj_construct_super(struct gk20a *g, struct boardobj **ppboardobj,
         return 0;
 }
 
-u32 boardobj_destruct_super(struct boardobj *pboardobj)
+int boardobj_destruct_super(struct boardobj *pboardobj)
 {
         struct gk20a *g = pboardobj->g;
 
@@ -86,7 +86,7 @@ bool boardobj_implements_super(struct gk20a *g, struct boardobj *pboardobj,
         return (0 != (pboardobj->type_mask & BIT(type)));
 }
 
-u32 boardobj_pmudatainit_super(struct gk20a *g, struct boardobj *pboardobj,
+int boardobj_pmudatainit_super(struct gk20a *g, struct boardobj *pboardobj,
                                 struct nv_pmu_boardobj *pmudata)
 {
         nvgpu_log_info(g, " ");