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TTY: tty_port, add some documentation

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I forgot to document tty_port_register_device and tty_port_install
when they were added. Fix it now.

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>
This commit is contained in:
Jiri Slaby 2012-08-07 21:47:49 +02:00 committed by Greg Kroah-Hartman
parent c4d6ebeb7d
commit 72a33bf58c
1 changed files with 21 additions and 0 deletions
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21
drivers/tty/tty_port.c
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@ -33,6 +33,17 @@ void tty_port_init(struct tty_port *port)
}
EXPORT_SYMBOL(tty_port_init);
/**
* tty_port_register_device - register tty device
* @port: tty_port of the device
* @driver: tty_driver for this device
* @index: index of the tty
* @device: parent if exists, otherwise NULL
*
* It is the same as tty_register_device except the provided @port is linked to
* a concrete tty specified by @index. Use this or tty_port_install (or both).
* Call tty_port_link_device as a last resort.
*/
struct device *tty_port_register_device(struct tty_port *port,
struct tty_driver *driver, unsigned index,
struct device *device)
@ -422,6 +433,16 @@ void tty_port_close(struct tty_port *port, struct tty_struct *tty,
}
EXPORT_SYMBOL(tty_port_close);
/**
* tty_port_install - generic tty->ops->install handler
* @port: tty_port of the device
* @driver: tty_driver for this device
* @tty: tty to be installed
*
* It is the same as tty_standard_install except the provided @port is linked
* to a concrete tty specified by @tty. Use this or tty_port_register_device
* (or both). Call tty_port_link_device as a last resort.
*/
int tty_port_install(struct tty_port *port, struct tty_driver *driver,
struct tty_struct *tty)
{