TTY: add tty_port_register_device helper
This will automatically assign tty_port to tty_driver's port array for
later recall in tty_init_dev. This is intended to be called instead of
tty_register_device.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 1ac8abf..4e9d2b2 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -33,6 +33,15 @@
}
EXPORT_SYMBOL(tty_port_init);
+struct device *tty_port_register_device(struct tty_port *port,
+ struct tty_driver *driver, unsigned index,
+ struct device *device)
+{
+ driver->ports[index] = port;
+ return tty_register_device(driver, index, device);
+}
+EXPORT_SYMBOL_GPL(tty_port_register_device);
+
int tty_port_alloc_xmit_buf(struct tty_port *port)
{
/* We may sleep in get_zeroed_page() */