gpu: nvgpu: fix sparse warnings

Fix below sparse warnings :

warning: Using plain integer as NULL pointer
warning: symbol <variable/funcion> was not declared. Should it be static?
warning: Initializer entry defined twice

Also, remove dead functions

Bug 1573254

Change-Id: I29d71ecc01c841233cf6b26c9088ca8874773469
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/593363
Reviewed-by: Amit Sharma (SW-TEGRA) <amisharma@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sachin Nikam <snikam@nvidia.com>

1 files changed, 15 insertions, 14 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/regops_gk20a.c b/drivers/gpu/nvgpu/gk20a/regops_gk20a.c
index d9984e03..fe444c78 100644
--- a/drivers/gpu/nvgpu/gk20a/regops_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/regops_gk20a.c
@@ -577,7 +577,7 @@ static bool check_whitelists(struct dbg_session_gk20a *dbg_s,
                 if (!dbg_s->ch) {
                         gk20a_err(dbg_s->dev, "can't perform ctx regop unless bound");
                         op->status = REGOP(STATUS_UNSUPPORTED_OP);
-                        return -ENODEV;
+                        return valid;
                 }
 
                 /* binary search context list */
@@ -697,67 +697,68 @@ bool is_bar0_global_offset_whitelisted_gk20a(struct gk20a *g, u32 offset)
         return valid;
 }
 
-const struct regop_offset_range *gk20a_get_global_whitelist_ranges(void)
+static const struct regop_offset_range *gk20a_get_global_whitelist_ranges(void)
 {
         return gk20a_global_whitelist_ranges;
 }
 
-int gk20a_get_global_whitelist_ranges_count(void)
+static int gk20a_get_global_whitelist_ranges_count(void)
 {
         return gk20a_global_whitelist_ranges_count;
 }
 
-const struct regop_offset_range *gk20a_get_context_whitelist_ranges(void)
+static const struct regop_offset_range *gk20a_get_context_whitelist_ranges(void)
 {
         return gk20a_context_whitelist_ranges;
 }
 
-int gk20a_get_context_whitelist_ranges_count(void)
+static int gk20a_get_context_whitelist_ranges_count(void)
 {
         return gk20a_context_whitelist_ranges_count;
 }
 
-const u32 *gk20a_get_runcontrol_whitelist(void)
+static const u32 *gk20a_get_runcontrol_whitelist(void)
 {
         return gk20a_runcontrol_whitelist;
 }
 
-int gk20a_get_runcontrol_whitelist_count(void)
+static int gk20a_get_runcontrol_whitelist_count(void)
 {
         return gk20a_runcontrol_whitelist_count;
 }
 
-const struct regop_offset_range *gk20a_get_runcontrol_whitelist_ranges(void)
+static const
+struct regop_offset_range *gk20a_get_runcontrol_whitelist_ranges(void)
 {
         return gk20a_runcontrol_whitelist_ranges;
 }
 
-int gk20a_get_runcontrol_whitelist_ranges_count(void)
+static int gk20a_get_runcontrol_whitelist_ranges_count(void)
 {
         return gk20a_runcontrol_whitelist_ranges_count;
 }
 
-const u32 *gk20a_get_qctl_whitelist(void)
+static const u32 *gk20a_get_qctl_whitelist(void)
 {
         return gk20a_qctl_whitelist;
 }
 
-int gk20a_get_qctl_whitelist_count(void)
+static int gk20a_get_qctl_whitelist_count(void)
 {
         return gk20a_qctl_whitelist_count;
 }
 
-const struct regop_offset_range *gk20a_get_qctl_whitelist_ranges(void)
+static const struct regop_offset_range *gk20a_get_qctl_whitelist_ranges(void)
 {
         return gk20a_qctl_whitelist_ranges;
 }
 
-int gk20a_get_qctl_whitelist_ranges_count(void)
+static int gk20a_get_qctl_whitelist_ranges_count(void)
 {
         return gk20a_qctl_whitelist_ranges_count;
 }
 
-int gk20a_apply_smpc_war(struct dbg_session_gk20a *dbg_s)
+static int gk20a_apply_smpc_war(struct dbg_session_gk20a *dbg_s)
 {
         /* The following regops are a hack/war to make up for the fact that we
          * just scribbled into the ctxsw image w/o really knowing whether