gpu: nvgpu: protect header inclusion in __kernel__

The header  <linux/atomic.h> needs to be included inside __kernel__

JIRA-121

Change-Id: I978e7c12c6fff7d7ccea300d0be5784d45e559ed
Signed-off-by: Debarshi <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1541220
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/linux/atomic.h b/drivers/gpu/nvgpu/include/nvgpu/linux/atomic.h
index c6dd4650..1fdb2674 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/linux/atomic.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/linux/atomic.h
@@ -16,7 +16,9 @@
 #ifndef __NVGPU_ATOMIC_LINUX_H__
 #define __NVGPU_ATOMIC_LINUX_H__
 
+#ifdef __KERNEL__
 #include <linux/atomic.h>
+#endif
 
 typedef struct nvgpu_atomic {
   atomic_t atomic_var;