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, 9 insertions, 9 deletions

diff --git a/drivers/gpu/nvgpu/pmgr/pwrmonitor.c b/drivers/gpu/nvgpu/pmgr/pwrmonitor.c
index 5e0cc966..53c7a1c4 100644
--- a/drivers/gpu/nvgpu/pmgr/pwrmonitor.c
+++ b/drivers/gpu/nvgpu/pmgr/pwrmonitor.c
@@ -28,7 +28,7 @@
 #include "boardobj/boardobjgrp_e32.h"
 #include "gp106/bios_gp106.h"
 
-static u32 _pwr_channel_pmudata_instget(struct gk20a *g,
+static int _pwr_channel_pmudata_instget(struct gk20a *g,
                         struct nv_pmu_boardobjgrp *pmuboardobjgrp,
                         struct nv_pmu_boardobj **ppboardobjpmudata,
                         u8 idx)
@@ -54,7 +54,7 @@ static u32 _pwr_channel_pmudata_instget(struct gk20a *g,
         return 0;
 }
 
-static u32 _pwr_channel_rels_pmudata_instget(struct gk20a *g,
+static int _pwr_channel_rels_pmudata_instget(struct gk20a *g,
                         struct nv_pmu_boardobjgrp *pmuboardobjgrp,
                         struct nv_pmu_boardobj **ppboardobjpmudata,
                         u8 idx)
@@ -105,13 +105,13 @@ static bool _pwr_channel_implements(struct pwr_channel *pchannel,
         return (type == BOARDOBJ_GET_TYPE(pchannel));
 }
 
-static u32 _pwr_domains_pmudatainit_sensor(struct gk20a *g,
+static int _pwr_domains_pmudatainit_sensor(struct gk20a *g,
                                         struct boardobj *board_obj_ptr,
                                         struct nv_pmu_boardobj *ppmudata)
 {
         struct nv_pmu_pmgr_pwr_channel_sensor *pmu_sensor_data;
         struct pwr_channel_sensor *sensor;
-        u32 status = 0;
+        int status = 0;
 
         status = boardobj_pmudatainit_super(g, board_obj_ptr, ppmudata);
         if (status) {
@@ -144,7 +144,7 @@ static struct boardobj *construct_pwr_topology(struct gk20a *g,
                                 void *pargs, u16 pargs_size, u8 type)
 {
         struct boardobj *board_obj_ptr = NULL;
-        u32 status;
+        int status;
         struct pwr_channel_sensor *pwrchannel;
         struct pwr_channel_sensor *sensor = (struct pwr_channel_sensor*)pargs;
 
@@ -174,10 +174,10 @@ static struct boardobj *construct_pwr_topology(struct gk20a *g,
         return board_obj_ptr;
 }
 
-static u32 devinit_get_pwr_topology_table(struct gk20a *g,
+static int devinit_get_pwr_topology_table(struct gk20a *g,
                                 struct pmgr_pwr_monitor *ppwrmonitorobjs)
 {
-        u32 status = 0;
+        int status = 0;
         u8 *pwr_topology_table_ptr = NULL;
         u8 *curr_pwr_topology_table_ptr = NULL;
         struct boardobj *boardobj;
@@ -296,9 +296,9 @@ done:
         return status;
 }
 
-u32 pmgr_monitor_sw_setup(struct gk20a *g)
+int pmgr_monitor_sw_setup(struct gk20a *g)
 {
-        u32 status;
+        int status;
         struct boardobjgrp *pboardobjgrp = NULL;
         struct pwr_channel *pchannel;
         struct pmgr_pwr_monitor *ppwrmonitorobjs;