gpu: nvgpu: Cleanup warnings and Linuxisms

Remove a variable which is assigned to but never used after
that and convert a pr_warn() into an nvgpu_warn().

JIRA NVGPU-525

Signed-off-by: Alex Waterman <alexw@nvidia.com>
Change-Id: Ia3ab64063ec48d6cd8a4a13cff2ab9b9c459a462
Reviewed-on: https://git-master.nvidia.com/r/1662544
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 6aae851e..c2daf27e 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -71,12 +71,11 @@ void __gk20a_warn_on_no_regs(void)
 static int gk20a_detect_chip(struct gk20a *g)
 {
         struct nvgpu_gpu_params *p = &g->params;
-        u32 val;
 
         if (p->gpu_arch)
                 return 0;
 
-        val = gk20a_mc_boot_0(g, &p->gpu_arch, &p->gpu_impl, &p->gpu_rev);
+        gk20a_mc_boot_0(g, &p->gpu_arch, &p->gpu_impl, &p->gpu_rev);
 
         gk20a_dbg_info("arch: %x, impl: %x, rev: %x\n",
                         g->params.gpu_arch,
@@ -375,8 +374,8 @@ int gk20a_wait_for_idle(struct gk20a *g)
                 nvgpu_msleep(20);
 
         if (wait_length < 0) {
-                pr_warn("%s: Timed out waiting for idle (%d)!\n",
-                        __func__, nvgpu_atomic_read(&g->usage_count));
+                nvgpu_warn(g, "Timed out waiting for idle (%d)!\n",
+                           nvgpu_atomic_read(&g->usage_count));
                 return -ETIMEDOUT;
         }