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, 5 insertions, 5 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
index 185d661e..b75420e6 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
@@ -37,7 +37,7 @@
 #define TEGRA_DDR4_BW_PER_FREQ 16
 
 extern struct device tegra_vpr_dev;
-struct gk20a_platform t132_gk20a_tegra_platform;
+static struct gk20a_platform t132_gk20a_tegra_platform;
 
 struct gk20a_emc_params {
         long bw_ratio;
@@ -142,7 +142,7 @@ fail:
  * This function returns the minimum emc clock based on gpu frequency
  */
 
-long gk20a_tegra_get_emc_rate(struct gk20a *g,
+static long gk20a_tegra_get_emc_rate(struct gk20a *g,
                               struct gk20a_emc_params *emc_params, long freq)
 {
         long hz;
@@ -197,7 +197,7 @@ static void gk20a_tegra_prescale(struct platform_device *pdev)
  *
  */
 
-void gk20a_tegra_calibrate_emc(struct platform_device *pdev,
+static void gk20a_tegra_calibrate_emc(struct platform_device *pdev,
                                struct gk20a_emc_params *emc_params)
 {
         enum tegra_chipid cid = tegra_get_chipid();
@@ -271,7 +271,7 @@ static int gk20a_tegra_unrailgate(struct platform_device *pdev)
         return ret;
 }
 
-struct {
+static struct {
         char *name;
         unsigned long default_rate;
 } tegra_gk20a_clocks[] = {
@@ -472,7 +472,7 @@ static int gk20a_tegra_suspend(struct device *dev)
         return 0;
 }
 
-struct gk20a_platform t132_gk20a_tegra_platform = {
+static struct gk20a_platform t132_gk20a_tegra_platform = {
         .has_syncpoints = true,
 
         /* power management configuration */