TTY: tty_port, add some documentation (72a33bf5) · Commits · 戴 / test

drivers/tty/tty_port.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -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)
		{