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, 30 insertions, 30 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_vin.c b/drivers/gpu/nvgpu/clk/clk_vin.c
index 1c18b662..9a163594 100644
--- a/drivers/gpu/nvgpu/clk/clk_vin.c
+++ b/drivers/gpu/nvgpu/clk/clk_vin.c
@@ -36,27 +36,27 @@
 #include "clk.h"
 #include "clk_vin.h"
 
-static u32 devinit_get_vin_device_table(struct gk20a *g,
+static int devinit_get_vin_device_table(struct gk20a *g,
                 struct avfsvinobjs *pvinobjs);
 
-static u32 vin_device_construct_v10(struct gk20a *g,
+static int vin_device_construct_v10(struct gk20a *g,
                                         struct boardobj **ppboardobj,
                                         u16 size, void *pargs);
-static u32 vin_device_construct_v20(struct gk20a *g,
+static int vin_device_construct_v20(struct gk20a *g,
                                         struct boardobj **ppboardobj,
                                         u16 size, void *pargs);
-static u32 vin_device_construct_super(struct gk20a *g,
+static int vin_device_construct_super(struct gk20a *g,
                                         struct boardobj **ppboardobj,
                                         u16 size, void *pargs);
 static struct vin_device *construct_vin_device(struct gk20a *g, void *pargs);
 
-static u32 vin_device_init_pmudata_v10(struct gk20a *g,
+static int vin_device_init_pmudata_v10(struct gk20a *g,
                                   struct boardobj *board_obj_ptr,
                                   struct nv_pmu_boardobj *ppmudata);
-static u32 vin_device_init_pmudata_v20(struct gk20a *g,
+static int vin_device_init_pmudata_v20(struct gk20a *g,
                                   struct boardobj *board_obj_ptr,
                                   struct nv_pmu_boardobj *ppmudata);
-static u32 vin_device_init_pmudata_super(struct gk20a *g,
+static int vin_device_init_pmudata_super(struct gk20a *g,
                                   struct boardobj *board_obj_ptr,
                                   struct nv_pmu_boardobj *ppmudata);
 
@@ -122,7 +122,7 @@ u32 clk_avfs_get_vin_cal_fuse_v20(struct gk20a *g,
 
 }
 
-static u32 _clk_vin_devgrp_pmudatainit_super(struct gk20a *g,
+static int _clk_vin_devgrp_pmudatainit_super(struct gk20a *g,
                                              struct boardobjgrp *pboardobjgrp,
                                              struct nv_pmu_boardobjgrp_super *pboardobjgrppmu)
 {
@@ -130,7 +130,7 @@ static u32 _clk_vin_devgrp_pmudatainit_super(struct gk20a *g,
                 (struct nv_pmu_clk_clk_vin_device_boardobjgrp_set_header *)
                 pboardobjgrppmu;
         struct avfsvinobjs *pvin_obbj = (struct avfsvinobjs *)pboardobjgrp;
-        u32 status = 0;
+        int status = 0;
 
         nvgpu_log_info(g, " ");
 
@@ -142,7 +142,7 @@ static u32 _clk_vin_devgrp_pmudatainit_super(struct gk20a *g,
         return status;
 }
 
-static u32 _clk_vin_devgrp_pmudata_instget(struct gk20a *g,
+static int _clk_vin_devgrp_pmudata_instget(struct gk20a *g,
                                            struct nv_pmu_boardobjgrp *pmuboardobjgrp,
                                            struct nv_pmu_boardobj **ppboardobjpmudata,
                                            u8 idx)
@@ -165,7 +165,7 @@ static u32 _clk_vin_devgrp_pmudata_instget(struct gk20a *g,
         return 0;
 }
 
-static u32 _clk_vin_devgrp_pmustatus_instget(struct gk20a *g,
+static int _clk_vin_devgrp_pmustatus_instget(struct gk20a *g,
                                              void *pboardobjgrppmu,
                                              struct nv_pmu_boardobj_query **ppboardobjpmustatus,
                                              u8 idx)
@@ -185,9 +185,9 @@ static u32 _clk_vin_devgrp_pmustatus_instget(struct gk20a *g,
         return 0;
 }
 
-u32 clk_vin_sw_setup(struct gk20a *g)
+int clk_vin_sw_setup(struct gk20a *g)
 {
-        u32 status;
+        int status;
         struct boardobjgrp *pboardobjgrp = NULL;
         struct vin_device_v20 *pvindev = NULL;
         struct avfsvinobjs *pvinobjs;
@@ -243,9 +243,9 @@ done:
         return status;
 }
 
-u32 clk_vin_pmu_setup(struct gk20a *g)
+int clk_vin_pmu_setup(struct gk20a *g)
 {
-        u32 status;
+        int status;
         struct boardobjgrp *pboardobjgrp = NULL;
 
         nvgpu_log_info(g, " ");
@@ -262,10 +262,10 @@ u32 clk_vin_pmu_setup(struct gk20a *g)
         return status;
 }
 
-static u32 devinit_get_vin_device_table(struct gk20a *g,
+static int devinit_get_vin_device_table(struct gk20a *g,
                 struct avfsvinobjs *pvinobjs)
 {
-        u32 status = 0;
+        int status = 0;
         u8 *vin_table_ptr = NULL;
         struct vin_descriptor_header_10 vin_desc_table_header = { 0 };
         struct vin_descriptor_entry_10 vin_desc_table_entry = { 0 };
@@ -376,14 +376,14 @@ done:
         return status;
 }
 
-static u32 vin_device_construct_v10(struct gk20a *g,
+static int vin_device_construct_v10(struct gk20a *g,
                                         struct boardobj **ppboardobj,
                                         u16 size, void *pargs)
 {
         struct boardobj *ptmpobj = (struct boardobj *)pargs;
         struct vin_device_v10 *pvin_device_v10;
         struct vin_device_v10 *ptmpvin_device_v10 = (struct vin_device_v10 *)pargs;
-        u32 status = 0;
+        int status = 0;
 
         if (BOARDOBJ_GET_TYPE(pargs) != CTRL_CLK_VIN_TYPE_V10) {
                 return -EINVAL;
@@ -406,14 +406,14 @@ static u32 vin_device_construct_v10(struct gk20a *g,
         return status;
 }
 
-static u32 vin_device_construct_v20(struct gk20a *g,
+static int vin_device_construct_v20(struct gk20a *g,
                                         struct boardobj **ppboardobj,
                                         u16 size, void *pargs)
 {
         struct boardobj *ptmpobj = (struct boardobj *)pargs;
         struct vin_device_v20 *pvin_device_v20;
         struct vin_device_v20 *ptmpvin_device_v20 = (struct vin_device_v20 *)pargs;
-        u32 status = 0;
+        int status = 0;
 
         if (BOARDOBJ_GET_TYPE(pargs) != CTRL_CLK_VIN_TYPE_V20) {
                 return -EINVAL;
@@ -435,13 +435,13 @@ static u32 vin_device_construct_v20(struct gk20a *g,
 
         return status;
 }
-static u32 vin_device_construct_super(struct gk20a *g,
+static int vin_device_construct_super(struct gk20a *g,
                                         struct boardobj **ppboardobj,
                                         u16 size, void *pargs)
 {
         struct vin_device *pvin_device;
         struct vin_device *ptmpvin_device = (struct vin_device *)pargs;
-        u32 status = 0;
+        int status = 0;
         status = boardobj_construct_super(g, ppboardobj, size, pargs);
 
         if (status) {
@@ -463,7 +463,7 @@ static u32 vin_device_construct_super(struct gk20a *g,
 static struct vin_device *construct_vin_device(struct gk20a *g, void *pargs)
 {
         struct boardobj *board_obj_ptr = NULL;
-        u32 status;
+        int status;
 
         nvgpu_log_info(g, " %d", BOARDOBJ_GET_TYPE(pargs));
         switch (BOARDOBJ_GET_TYPE(pargs)) {
@@ -492,11 +492,11 @@ static struct vin_device *construct_vin_device(struct gk20a *g, void *pargs)
 
 
 
-static u32 vin_device_init_pmudata_v10(struct gk20a *g,
+static int vin_device_init_pmudata_v10(struct gk20a *g,
                                          struct boardobj *board_obj_ptr,
                                          struct nv_pmu_boardobj *ppmudata)
 {
-        u32 status = 0;
+        int status = 0;
         struct vin_device_v20 *pvin_dev_v20;
         struct nv_pmu_clk_clk_vin_device_v10_boardobj_set *perf_pmu_data;
 
@@ -519,11 +519,11 @@ static u32 vin_device_init_pmudata_v10(struct gk20a *g,
         return status;
 }
 
-static u32 vin_device_init_pmudata_v20(struct gk20a *g,
+static int vin_device_init_pmudata_v20(struct gk20a *g,
                                          struct boardobj *board_obj_ptr,
                                          struct nv_pmu_boardobj *ppmudata)
 {
-        u32 status = 0;
+        int status = 0;
         struct vin_device_v20 *pvin_dev_v20;
         struct nv_pmu_clk_clk_vin_device_v20_boardobj_set *perf_pmu_data;
 
@@ -546,11 +546,11 @@ static u32 vin_device_init_pmudata_v20(struct gk20a *g,
         return status;
 }
 
-static u32 vin_device_init_pmudata_super(struct gk20a *g,
+static int vin_device_init_pmudata_super(struct gk20a *g,
                                          struct boardobj *board_obj_ptr,
                                          struct nv_pmu_boardobj *ppmudata)
 {
-        u32 status = 0;
+        int status = 0;
         struct vin_device *pvin_dev;
         struct nv_pmu_clk_clk_vin_device_boardobj_set *perf_pmu_data;