TTY: use tty_port_register_device

Currently we have no way to assign tty->port while performing tty
installation. There are two ways to provide the link tty_struct =>
tty_port. Either by calling tty_port_install from tty->ops->install or
tty_port_register_device called instead of tty_register_device when
the device is being set up after connected.

In this patch we modify most of the drivers to do the latter. When the
drivers use tty_register_device and we have tty_port already, we
switch to tty_port_register_device. So we have the tty_struct =>
tty_port link for free for those.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c
index 372c0325c149..d2339ea37815 100644
--- a/drivers/mmc/card/sdio_uart.c
+++ b/drivers/mmc/card/sdio_uart.c
@@ -1132,8 +1132,8 @@ static int sdio_uart_probe(struct sdio_func *func,
                 kfree(port);
         } else {
                 struct device *dev;
-                dev = tty_register_device(sdio_uart_tty_driver,
-                                                port->index, &func->dev);
+                dev = tty_port_register_device(&port->port,
+                                sdio_uart_tty_driver, port->index, &func->dev);
                 if (IS_ERR(dev)) {
                         sdio_uart_port_remove(port);
                         ret = PTR_ERR(dev);