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, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
index 493cbe80..56bc2c7a 100644
--- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
@@ -581,7 +581,7 @@ static inline int get_timestamps_zipper(struct gk20a *g,
                 struct nvgpu_gpu_get_cpu_time_correlation_info_args *args)
 {
         int err = 0;
-        int i = 0;
+        unsigned int i = 0;
         u32 gpu_timestamp_hi_new = 0;
         u32 gpu_timestamp_hi_old = 0;