1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/rwsem.c b/drivers/gpu/nvgpu/common/linux/rwsem.c
new file mode 100644
index 00000000..297ddf11
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/linux/rwsem.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include <nvgpu/rwsem.h>
+
+void nvgpu_rwsem_init(struct nvgpu_rwsem *rwsem)
+{
+        init_rwsem(&rwsem->rwsem);
+}
+
+void nvgpu_rwsem_up_read(struct nvgpu_rwsem *rwsem)
+{
+        up_read(&rwsem->rwsem);
+}
+
+void nvgpu_rwsem_down_read(struct nvgpu_rwsem *rwsem)
+{
+        down_read(&rwsem->rwsem);
+}
+
+void nvgpu_rwsem_up_write(struct nvgpu_rwsem *rwsem)
+{
+        up_write(&rwsem->rwsem);
+}
+
+void nvgpu_rwsem_down_write(struct nvgpu_rwsem *rwsem)
+{
+        down_write(&rwsem->rwsem);
+}