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-rw-r--r--include/linux/tty.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h
index bfa4e2ee94a9..bd5fe0e907e8 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -225,6 +225,8 @@ struct tty_port_client_operations {
void (*write_wakeup)(struct tty_port *port);
};
+extern const struct tty_port_client_operations tty_port_default_client_ops;
+
struct tty_port {
struct tty_bufhead buf; /* Locked internally */
struct tty_struct *tty; /* Back pointer */