#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
}
}
-static struct tty_operations bfin_jc_ops = {
+static const struct tty_operations bfin_jc_ops = {
.open = bfin_jc_open,
.close = bfin_jc_close,
.write = bfin_jc_write,