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TTY: use tty_port_register_device

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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 <[email protected]>
Acked-by: Alan Cox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Jiri Slaby 2012-08-07 21:47:47 +02:00 • committed by Greg Kroah-Hartman
commit 734cc17838
20 changed files with 58 additions and 40 deletions
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4
drivers/mmc/card/sdio_uart.c
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@ -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);