gpu: nvgpu: Fix signed comparison bugs

Fix small problems related to signed versus unsigned comparisons
throughout the driver. Bump up the warning level to prevent such
problems from occuring in future.

Change-Id: I8ff5efb419f664e8a2aedadd6515ae4d18502ae0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1252068
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c b/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c
index fee9a807..6cb238b7 100644
--- a/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c
@@ -198,7 +198,7 @@ void gm20b_ltc_init_fs_state(struct gk20a *g)
 void gm20b_ltc_isr(struct gk20a *g)
 {
         u32 mc_intr, ltc_intr;
-        int ltc, slice;
+        unsigned int ltc, slice;
         u32 ltc_stride = nvgpu_get_litter_value(g, GPU_LIT_LTC_STRIDE);
         u32 lts_stride = nvgpu_get_litter_value(g, GPU_LIT_LTS_STRIDE);
 
@@ -227,8 +227,8 @@ void gm20b_ltc_g_elpg_flush_locked(struct gk20a *g)
         u32 data;
         bool done[g->ltc_count];
         s32 retry = 100;
-        int i;
-        int num_done = 0;
+        unsigned int i;
+        unsigned int num_done = 0;
         u32 ltc_d = ltc_ltc1_ltss_g_elpg_r() - ltc_ltc0_ltss_g_elpg_r();
 
         gk20a_dbg_fn("");
@@ -289,7 +289,7 @@ u32 gm20b_ltc_cbc_fix_config(struct gk20a *g, int base)
 void gm20b_flush_ltc(struct gk20a *g)
 {
         unsigned long timeout;
-        int ltc;
+        unsigned int ltc;
         u32 ltc_stride = nvgpu_get_litter_value(g, GPU_LIT_LTC_STRIDE);
 
 #define __timeout_init()                                \