#define MAX_PCI_DEVICES 10
#define MAX_TOTAL_DEVICES 20
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <asm/serial.h>
#include <linux/delay.h>
#include <linux/ioctl.h>
} /* end of mgsl_allocate_device()*/
-static struct tty_operations mgsl_ops = {
+static const struct tty_operations mgsl_ops = {
.open = mgsl_open,
.close = mgsl_close,
.write = mgsl_write,