gpu: nvgpu: fix error for static code analysis

use memset to fill structures with zero instead of
assigning zero.
mark functions local to the file as static
fixing errors in clk, perf and therm modules.

Bug 200299572

Change-Id: I0470298803c35b6faed2edc2a0c1dbf0e47e842e
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/1472940
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 22 insertions, 10 deletions

diff --git a/drivers/gpu/nvgpu/therm/thrmpmu.c b/drivers/gpu/nvgpu/therm/thrmpmu.c
index 3d80eff3..84e9871a 100644
--- a/drivers/gpu/nvgpu/therm/thrmpmu.c
+++ b/drivers/gpu/nvgpu/therm/thrmpmu.c
@@ -115,11 +115,17 @@ exit:
 static u32 therm_set_warn_temp_limit(struct gk20a *g)
 {
         u32 seqdesc = 0;
-        struct pmu_cmd cmd = { {0} };
-        struct pmu_msg msg = { {0} };
-        struct pmu_payload payload = { {0} };
-        struct nv_pmu_therm_rpc rpccall = {0};
-        struct therm_pmucmdhandler_params handlerparams = {0};
+        struct pmu_cmd cmd;
+        struct pmu_msg msg;
+        struct pmu_payload payload;
+        struct nv_pmu_therm_rpc rpccall;
+        struct therm_pmucmdhandler_params handlerparams;
+
+        memset(&payload, 0, sizeof(struct pmu_payload));
+        memset(&cmd, 0, sizeof(struct pmu_cmd));
+        memset(&msg, 0, sizeof(struct pmu_msg));
+        memset(&rpccall, 0, sizeof(struct nv_pmu_therm_rpc));
+        memset(&handlerparams, 0, sizeof(struct therm_pmucmdhandler_params));
 
         rpccall.function = NV_PMU_THERM_RPC_ID_SLCT_EVENT_TEMP_TH_SET;
         rpccall.params.slct_event_temp_th_set.event_id =
@@ -178,11 +184,17 @@ static u32 therm_enable_slct_notification_request(struct gk20a *g)
 static u32 therm_send_slct_configuration_to_pmu(struct gk20a *g)
 {
         u32 seqdesc = 0;
-        struct pmu_cmd cmd = { {0} };
-        struct pmu_msg msg = { {0} };
-        struct pmu_payload payload = { {0} };
-        struct nv_pmu_therm_rpc rpccall = {0};
-        struct therm_pmucmdhandler_params handlerparams = {0};
+        struct pmu_cmd cmd;
+        struct pmu_msg msg;
+        struct pmu_payload payload;
+        struct nv_pmu_therm_rpc rpccall;
+        struct therm_pmucmdhandler_params handlerparams;
+
+        memset(&payload, 0, sizeof(struct pmu_payload));
+        memset(&cmd, 0, sizeof(struct pmu_cmd));
+        memset(&msg, 0, sizeof(struct pmu_msg));
+        memset(&rpccall, 0, sizeof(struct nv_pmu_therm_rpc));
+        memset(&handlerparams, 0, sizeof(struct therm_pmucmdhandler_params));
 
         rpccall.function = NV_PMU_THERM_RPC_ID_SLCT;
         rpccall.params.slct.mask_enabled =