gpu: nvgpu: update flush L2 ioctl definition

this ioctl can be called only by a ctrlfd
created from the /dev/nvhost-ctrl-gpu node
therefore NVGPU_GPU_IOCTL_MAGIC, not
NVGPU_DBG_GPU_IOCTL_MAGIC should be used
for this

bug 200111987

Change-Id: I9fce7eae9f8203a15270ac1d25b575aebd9ccf88
Signed-off-by: Sam Payne <spayne@nvidia.com>
Reviewed-on: http://git-master/r/755164
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
(cherry picked from commit 609d45ddd98c31ecd089d2e213ee1b6c560fc21e)
Reviewed-on: http://git-master/r/760830

1 files changed, 1 insertions, 1 deletions

diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index 5f49c9cf..f7b68380 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -332,7 +332,7 @@ struct nvgpu_gpu_vsms_mapping {
 #define NVGPU_GPU_IOCTL_OPEN_CHANNEL \
         _IOWR(NVGPU_GPU_IOCTL_MAGIC, 11, struct nvgpu_gpu_open_channel_args)
 #define NVGPU_GPU_IOCTL_FLUSH_L2 \
-        _IOWR(NVGPU_DBG_GPU_IOCTL_MAGIC, 12, struct nvgpu_gpu_l2_fb_args)
+        _IOWR(NVGPU_GPU_IOCTL_MAGIC, 12, struct nvgpu_gpu_l2_fb_args)
 #define NVGPU_GPU_IOCTL_INVAL_ICACHE \
         _IOWR(NVGPU_GPU_IOCTL_MAGIC, 13, struct nvgpu_gpu_inval_icache_args)
 #define NVGPU_GPU_IOCTL_SET_MMUDEBUG_MODE \