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, 15 insertions, 15 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_fll.c b/drivers/gpu/nvgpu/clk/clk_fll.c
index 0fd9c33f..700aeb2d 100644
--- a/drivers/gpu/nvgpu/clk/clk_fll.c
+++ b/drivers/gpu/nvgpu/clk/clk_fll.c
@@ -31,15 +31,15 @@
 #include "ctrl/ctrlclk.h"
 #include "ctrl/ctrlvolt.h"
 
-static u32 devinit_get_fll_device_table(struct gk20a *g,
+static int devinit_get_fll_device_table(struct gk20a *g,
                                    struct avfsfllobjs *pfllobjs);
 static struct fll_device *construct_fll_device(struct gk20a *g,
                 void *pargs);
-static u32 fll_device_init_pmudata_super(struct gk20a *g,
+static int fll_device_init_pmudata_super(struct gk20a *g,
                                     struct boardobj *board_obj_ptr,
                                     struct nv_pmu_boardobj *ppmudata);
 
-static u32 _clk_fll_devgrp_pmudatainit_super(struct gk20a *g,
+static int _clk_fll_devgrp_pmudatainit_super(struct gk20a *g,
                                                struct boardobjgrp *pboardobjgrp,
                                                struct nv_pmu_boardobjgrp_super *pboardobjgrppmu)
 {
@@ -48,7 +48,7 @@ static u32 _clk_fll_devgrp_pmudatainit_super(struct gk20a *g,
                 pboardobjgrppmu;
         struct avfsfllobjs *pfll_objs = (struct avfsfllobjs *)
                 pboardobjgrp;
-        u32 status = 0;
+        int status = 0;
 
         nvgpu_log_info(g, " ");
 
@@ -71,7 +71,7 @@ static u32 _clk_fll_devgrp_pmudatainit_super(struct gk20a *g,
         return status;
 }
 
-static u32 _clk_fll_devgrp_pmudata_instget(struct gk20a *g,
+static int _clk_fll_devgrp_pmudata_instget(struct gk20a *g,
                                              struct nv_pmu_boardobjgrp *pmuboardobjgrp,
                                              struct nv_pmu_boardobj **ppboardobjpmudata,
                                              u8 idx)
@@ -94,7 +94,7 @@ static u32 _clk_fll_devgrp_pmudata_instget(struct gk20a *g,
         return 0;
 }
 
-static u32 _clk_fll_devgrp_pmustatus_instget(struct gk20a *g,
+static int _clk_fll_devgrp_pmustatus_instget(struct gk20a *g,
                                                void *pboardobjgrppmu,
                                                struct nv_pmu_boardobj_query **ppboardobjpmustatus,
                                                u8 idx)
@@ -114,9 +114,9 @@ static u32 _clk_fll_devgrp_pmustatus_instget(struct gk20a *g,
         return 0;
 }
 
-u32 clk_fll_sw_setup(struct gk20a *g)
+int clk_fll_sw_setup(struct gk20a *g)
 {
-        u32 status;
+        int status;
         struct boardobjgrp *pboardobjgrp = NULL;
         struct avfsfllobjs *pfllobjs;
         struct fll_device *pfll;
@@ -209,9 +209,9 @@ done:
         return status;
 }
 
-u32 clk_fll_pmu_setup(struct gk20a *g)
+int clk_fll_pmu_setup(struct gk20a *g)
 {
-        u32 status;
+        int status;
         struct boardobjgrp *pboardobjgrp = NULL;
 
         nvgpu_log_info(g, " ");
@@ -228,10 +228,10 @@ u32 clk_fll_pmu_setup(struct gk20a *g)
         return status;
 }
 
-static u32 devinit_get_fll_device_table(struct gk20a *g,
+static int devinit_get_fll_device_table(struct gk20a *g,
                                    struct avfsfllobjs *pfllobjs)
 {
-        u32 status = 0;
+        int status = 0;
         u8 *fll_table_ptr = NULL;
         struct fll_descriptor_header fll_desc_table_header_sz = { 0 };
         struct fll_descriptor_header_10 fll_desc_table_header = { 0 };
@@ -411,7 +411,7 @@ static struct fll_device *construct_fll_device(struct gk20a *g,
         struct boardobj *board_obj_ptr = NULL;
         struct fll_device *pfll_dev;
         struct fll_device *board_obj_fll_ptr = NULL;
-        u32 status;
+        int status;
 
         nvgpu_log_info(g, " ");
         status = boardobj_construct_super(g, &board_obj_ptr,
@@ -449,11 +449,11 @@ static struct fll_device *construct_fll_device(struct gk20a *g,
         return (struct fll_device *)board_obj_ptr;
 }
 
-static u32 fll_device_init_pmudata_super(struct gk20a *g,
+static int fll_device_init_pmudata_super(struct gk20a *g,
                                     struct boardobj *board_obj_ptr,
                                     struct nv_pmu_boardobj *ppmudata)
 {
-        u32 status = 0;
+        int status = 0;
         struct fll_device *pfll_dev;
         struct nv_pmu_clk_clk_fll_device_boardobj_set *perf_pmu_data;