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-rw-r--r--arch/riscv64/kernel/sbi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/riscv64/kernel/sbi.c b/arch/riscv64/kernel/sbi.c
index 93f5785..feadd8d 100644
--- a/arch/riscv64/kernel/sbi.c
+++ b/arch/riscv64/kernel/sbi.c
@@ -1,3 +1,8 @@
+/**
+ * @file sbi.c
+ * riscv64 specific OpenSBI handling.
+ */
+
#include <sbi.h>
struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,