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, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
index c9c03d37..aa340ba6 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
@@ -346,7 +346,7 @@ gk20a_channel_syncpt_create(struct channel_gk20a *c)
 
         nvgpu_nvhost_syncpt_set_min_eq_max_ext(sp->nvhost_dev, sp->id);
 
-        atomic_set(&sp->ops.refcount, 0);
+        nvgpu_atomic_set(&sp->ops.refcount, 0);
         sp->ops.wait_syncpt             = gk20a_channel_syncpt_wait_syncpt;
         sp->ops.wait_fd                 = gk20a_channel_syncpt_wait_fd;
         sp->ops.incr                    = gk20a_channel_syncpt_incr;
@@ -619,7 +619,7 @@ static int __semaphore_wait_fd_fast_path(struct channel_gk20a *c,
                 return err;
 
         nvgpu_semaphore_get(sema);
-        BUG_ON(!atomic_read(&sema->value));
+        BUG_ON(!nvgpu_atomic_read(&sema->value));
         add_sema_cmd(c->g, c, sema, wait_cmd, 8, true, false);
 
         /*
@@ -922,7 +922,7 @@ gk20a_channel_semaphore_create(struct channel_gk20a *c)
                 return NULL;
         }
 #endif
-        atomic_set(&sema->ops.refcount, 0);
+        nvgpu_atomic_set(&sema->ops.refcount, 0);
         sema->ops.wait_syncpt   = gk20a_channel_semaphore_wait_syncpt;
         sema->ops.wait_fd       = gk20a_channel_semaphore_wait_fd;
         sema->ops.incr          = gk20a_channel_semaphore_incr;