1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h
index dbfb068b..8509398c 100644
--- a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h
@@ -41,7 +41,7 @@ struct tsg_gk20a {
 
         struct list_head ch_list;
         int num_active_channels;
-        struct mutex ch_list_lock;
+        struct rw_semaphore ch_list_lock;
 
         unsigned int timeslice_us;
         unsigned int timeslice_timeout;