tty_register_device_attr updated for tty-next

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>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index dcb30d55d39c..8a5a8b064616 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3045,6 +3045,12 @@ struct device *tty_register_device(struct tty_driver *driver, unsigned index,
 }
 EXPORT_SYMBOL(tty_register_device);
 
+static void tty_device_create_release(struct device *dev)
+{
+        pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
+        kfree(dev);
+}
+
 /**
  *      tty_register_device_attr - register a tty device
  *      @driver: the tty driver that describes the tty device
@@ -3103,6 +3109,7 @@ struct device *tty_register_device_attr(struct tty_driver *driver,
         dev->devt = devt;
         dev->class = tty_class;
         dev->parent = device;
+        dev->release = tty_device_create_release;
         dev_set_name(dev, "%s", name);
         dev->groups = attr_grp;
         dev_set_drvdata(dev, drvdata);