TTY: tty_port, add some documentation
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>
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@ -33,6 +33,17 @@ void tty_port_init(struct tty_port *port)
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}
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EXPORT_SYMBOL(tty_port_init);
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/**
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* tty_port_register_device - register tty device
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* @port: tty_port of the device
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* @driver: tty_driver for this device
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* @index: index of the tty
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* @device: parent if exists, otherwise NULL
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*
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* It is the same as tty_register_device except the provided @port is linked to
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* a concrete tty specified by @index. Use this or tty_port_install (or both).
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* Call tty_port_link_device as a last resort.
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*/
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struct device *tty_port_register_device(struct tty_port *port,
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struct tty_driver *driver, unsigned index,
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struct device *device)
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@ -422,6 +433,16 @@ void tty_port_close(struct tty_port *port, struct tty_struct *tty,
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}
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EXPORT_SYMBOL(tty_port_close);
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/**
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* tty_port_install - generic tty->ops->install handler
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* @port: tty_port of the device
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* @driver: tty_driver for this device
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* @tty: tty to be installed
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*
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* It is the same as tty_standard_install except the provided @port is linked
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* to a concrete tty specified by @tty. Use this or tty_port_register_device
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* (or both). Call tty_port_link_device as a last resort.
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*/
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int tty_port_install(struct tty_port *port, struct tty_driver *driver,
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struct tty_struct *tty)
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{
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