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device connection: Find connections also by checking the references

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We can also use this API to find named references that the
device nodes have by using fwnode_property_get_reference_args()
function.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Heikki Krogerus
2019-05-31 17:15:40 +03:00
committed by Rafael J. Wysocki
parent 83b34afb6b
commit fde777791e
2 changed files with 27 additions and 1 deletions
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2
drivers/usb/roles/class.c
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@@ -101,7 +101,7 @@ static void *usb_role_switch_match(struct device_connection *con, int ep,
struct device *dev;
if (con->fwnode) {
if (!fwnode_property_present(con->fwnode, con->id))
if (con->id && !fwnode_property_present(con->fwnode, con->id))
return NULL;
dev = class_find_device(role_class, NULL, con->fwnode,