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, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index 7b2c0dfc..af176a73 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -30,6 +30,7 @@
 #include <nvgpu/list.h>
 #include <nvgpu/rbtree.h>
 #include <nvgpu/kref.h>
+#include <nvgpu/atomic.h>
 
 struct nvgpu_pd_cache;
 
@@ -283,7 +284,7 @@ struct mm_gk20a {
                 struct nvgpu_mutex clear_list_mutex;
 
                 struct work_struct clear_mem_worker;
-                atomic64_t bytes_pending;
+                nvgpu_atomic64_t bytes_pending;
         } vidmem;
 };