gpu: nvgpu: gm20b: Fix build warnings

Fix build warnings by removing the unused variables, functions and
duplicated code.

Enable -Werror to prevent new build warnings.

Change-Id: Ifd73344a6e12497e6dca595ac7a6edd7ca698f88
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/497374
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
index 3df2f9c5..7e70d5a4 100644
--- a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
@@ -838,8 +838,8 @@ int gm20b_bootstrap_hs_flcn(struct gk20a *g)
         int i, err = 0;
         struct sg_table *sgt_pmu_ucode = NULL;
         dma_addr_t iova;
-        u64 *pacr_ucode_cpuva = NULL, pacr_ucode_pmu_va, *acr_dmem;
-        u32 img_size_in_bytes;
+        u64 *pacr_ucode_cpuva = NULL, pacr_ucode_pmu_va = 0, *acr_dmem;
+        u32 img_size_in_bytes = 0;
         u32 status, size;
         u64 start;
         struct acr_gm20b *acr = &g->acr;
@@ -980,9 +980,7 @@ err_release_acr_fw:
 
 u8 pmu_is_debug_mode_en(struct gk20a *g)
 {
-        int ctl_stat =  gk20a_readl(g, pwr_pmu_scpctl_stat_r());
         return 1;
-        /*TODO return (ctl_stat & pwr_pmu_scpctl_stat_debug_mode_m());*/
 }
 
 /*