gpu: nvgpu: Add wrapper over atomic_t and atomic64_t

- added wrapper structs nvgpu_atomic_t and nvgpu_atomic64_t over
  atomic_t and atomic64_t
- added nvgpu_atomic_* and nvgpu_atomic64_* APIs to access the above
  wrappers.

JIRA NVGPU-121

Change-Id: I61667bb0a84c2fc475365abb79bffb42b8b4786a
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1533044
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index a9ccd93f..f022e630 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -24,6 +24,7 @@
 #include <nvgpu/lock.h>
 #include <nvgpu/timers.h>
 #include <nvgpu/cond.h>
+#include <nvgpu/atomic.h>
 
 struct gk20a;
 struct gr_gk20a;
@@ -173,7 +174,7 @@ struct channel_gk20a {
 
         struct nvgpu_spinlock ref_obtain_lock;
         bool referenceable;
-        atomic_t ref_count;
+        nvgpu_atomic_t ref_count;
         struct nvgpu_cond ref_count_dec_wq;
 #if GK20A_CHANNEL_REFCOUNT_TRACKING
         /*
@@ -191,7 +192,7 @@ struct channel_gk20a {
 
         int chid;
         bool wdt_enabled;
-        atomic_t bound;
+        nvgpu_atomic_t bound;
         bool first_init;
         bool vpr;
         bool deterministic;