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tty_register_device_attr updated for tty-next

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Added tty_device_create_release() and bound to dev->release in
tty_register_device_attr().
Added tty_port_register_device_attr() and used in uart_add_one_port()
instead of tty_register_device_attr().

Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Hlavacek
2012-09-06 23:17:47 +02:00
committed by Greg Kroah-Hartman
parent 6915c0e487
commit b1b799164a
4 changed files with 39 additions and 4 deletions
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drivers/tty/tty_port.c
+24
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@@ -73,6 +73,30 @@ struct device *tty_port_register_device(struct tty_port *port,
}
EXPORT_SYMBOL_GPL(tty_port_register_device);
/**
* tty_port_register_device_attr - 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
* @drvdata: Driver data to be set to device.
* @attr_grp: Attribute group to be set on device.
*
* It is the same as tty_register_device_attr 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_attr(struct tty_port *port,
struct tty_driver *driver, unsigned index,
struct device *device, void *drvdata,
const struct attribute_group **attr_grp)
{
tty_port_link_device(port, driver, index);
return tty_register_device_attr(driver, index, device, drvdata,
attr_grp);
}
EXPORT_SYMBOL_GPL(tty_port_register_device_attr);
int tty_port_alloc_xmit_buf(struct tty_port *port)
{
/* We may sleep in get_zeroed_page() */