TTY: provide drivers with tty_port_install
This will be used in tty_ops->install to set tty->port (and to call tty_standard_install). Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -413,6 +413,14 @@ 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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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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tty->port = port;
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return tty_standard_install(driver, tty);
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}
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EXPORT_SYMBOL_GPL(tty_port_install);
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int tty_port_open(struct tty_port *port, struct tty_struct *tty,
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struct file *filp)
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{
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@ -521,6 +521,8 @@ extern int tty_port_close_start(struct tty_port *port,
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extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
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extern void tty_port_close(struct tty_port *port,
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struct tty_struct *tty, struct file *filp);
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extern int tty_port_install(struct tty_port *port, struct tty_driver *driver,
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struct tty_struct *tty);
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extern int tty_port_open(struct tty_port *port,
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struct tty_struct *tty, struct file *filp);
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static inline int tty_port_users(struct tty_port *port)
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