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usb: ulpi: Move of_node_put to ulpi_dev_release

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commit 092f45b13e51666fe8ecbf2d6cd247aa7e6c1f74 upstream.

Drivers are not unbound from the device when ulpi_unregister_interface
is called. Move of_node-freeing code to ulpi_dev_release which is called
only after all users are gone.

Fixes: ef6a7bcfb0 ("usb: ulpi: Support device discovery via DT")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20220127190004.1446909-2-sean.anderson@seco.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sean Anderson 2022-01-27 14:00:02 -05:00 committed by Greg Kroah-Hartman
parent a0fd5492ee
commit 12ab57a213
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/common/ulpi.c
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@ -132,6 +132,7 @@ static const struct attribute_group *ulpi_dev_attr_groups[] = {
static void ulpi_dev_release(struct device *dev)
{
of_node_put(dev->of_node);
kfree(to_ulpi_dev(dev));
}
@ -300,7 +301,6 @@ EXPORT_SYMBOL_GPL(ulpi_register_interface);
*/
void ulpi_unregister_interface(struct ulpi *ulpi)
{
of_node_put(ulpi->dev.of_node);
device_unregister(&ulpi->dev);
}
EXPORT_SYMBOL_GPL(ulpi_unregister_interface);