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/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
index 1572ff48..00050850 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
@@ -26,6 +26,7 @@
 #include <nvgpu/kmem.h>
 #include <nvgpu/log.h>
 #include <nvgpu/vm.h>
+#include <nvgpu/atomic.h>
 
 #include "gk20a.h"
 #include "gk20a/platform_gk20a.h"
@@ -74,10 +75,10 @@ nvgpu_dbg_gpu_get_session_channel(struct dbg_session_gk20a *dbg_s)
 }
 
 /* silly allocator - just increment id */
-static atomic_t unique_id = ATOMIC_INIT(0);
+static nvgpu_atomic_t unique_id = NVGPU_ATOMIC_INIT(0);
 static int generate_unique_id(void)
 {
-        return atomic_add_return(1, &unique_id);
+        return nvgpu_atomic_add_return(1, &unique_id);
 }
 
 static int alloc_session(struct gk20a *g, struct dbg_session_gk20a **_dbg_s)