#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <asm/serial.h>
#include <linux/delay.h>
#include <linux/ioctl.h>
.resume = mgslpc_resume,
};
-static struct tty_operations mgslpc_ops = {
+static const struct tty_operations mgslpc_ops = {
.open = mgslpc_open,
.close = mgslpc_close,
.write = mgslpc_write,