diff -pNarZu2 a/driver/adv_uart.c b/driver/adv_uart.c
--- a/driver/adv_uart.c	2018-11-14 11:29:12.000000000 -0500
+++ b/driver/adv_uart.c	2023-01-04 01:06:59.669401278 -0500
@@ -397,4 +397,7 @@ int adv_uart_startup(struct uart_port *p
 }
 
+#ifndef LINUX_VERSION_CODE
+#include <linux/version.h>
+#endif
 static void adv_uart_shutdown(struct uart_port *port)
 {
@@ -415,4 +418,7 @@ static void adv_uart_shutdown(struct uar
 static void
 adv_uart_set_termios(struct uart_port *port, struct ktermios *termios,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,0,0)
+const
+#endif
 		       struct ktermios *old)
 {