diff options
author | Jiri Slaby <jslaby@suse.cz> | 2012-08-07 21:47:49 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-14 01:50:19 +0200 |
commit | 72a33bf58c50892bce7ee4f58d487e818dec1c7e (patch) | |
tree | e6d8d86603f8ea9aad512e3c880358904d475f58 /drivers/tty/tty_port.c | |
parent | TTY: automatically create nodes for some drivers (diff) | |
download | linux-72a33bf58c50892bce7ee4f58d487e818dec1c7e.tar.xz linux-72a33bf58c50892bce7ee4f58d487e818dec1c7e.zip |
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>
Diffstat (limited to 'drivers/tty/tty_port.c')
-rw-r--r-- | drivers/tty/tty_port.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 5246763cff0c..c2f0592bcb2c 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -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) { |