gpu: nvgpu: Enable signed versus non-signed errors

Fix a few trivial signed versus unsigned problems, and enable
compilation flag to treat them as errors.

Change-Id: I68cc327885ef1efb12db7f347a2699a65415f889
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1265291
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/clk_gm20b.c b/drivers/gpu/nvgpu/gm20b/clk_gm20b.c
index 5b3df718..25503ea1 100644
--- a/drivers/gpu/nvgpu/gm20b/clk_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/clk_gm20b.c
@@ -221,7 +221,7 @@ static int clk_config_pll(struct clk_gk20a *clk, struct pll *pll,
         }
 
 found_match:
-        BUG_ON(best_delta == ~0);
+        BUG_ON(best_delta == ~0U);
 
         if (best_fit && best_delta != 0)
                 gk20a_dbg_clk("no best match for target @ %dMHz on gpc_pll",
@@ -363,7 +363,7 @@ static void clk_config_dvfs_ndiv(int mv, u32 n_eff, struct na_dvfs *d)
         det_delta = det_delta * d->dfs_coeff;
 
         n = (int)(n_eff << DFS_DET_RANGE) - det_delta;
-        BUG_ON((n < 0) || (n > (p->max_N << DFS_DET_RANGE)));
+        BUG_ON((n < 0) || (n > (int)(p->max_N << DFS_DET_RANGE)));
         d->n_int = ((u32)n) >> DFS_DET_RANGE;
 
         rem = ((u32)n) & ((1 << DFS_DET_RANGE) - 1);