diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index 5f4765a7a5c54d6d3b845c9e9f7df402978afbff..e266eca0ec7642d26dfeae72d70d0170b7308fc0 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -21,6 +21,10 @@
  *    be triggered
  */
 
+#if defined(CONFIG_SERIAL_MFD_HSU_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
+#define SUPPORT_SYSRQ
+#endif
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/console.h>