From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Mon, 30 Apr 2018 12:41:56 +0000 (+0300)
Subject: usb: typec: tcpm: Release the role mux when exiting
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=5671a4608c326b8ec16dec2f0f32e64a33cdd317;p=openwrt%2Fstaging%2Fblogic.git

usb: typec: tcpm: Release the role mux when exiting

The ref count for the USB role switch device must be
released after we are done using the switch.

Fixes: c6962c29729c ("usb: typec: tcpm: Set USB role switch to device mode when configured as such")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index 677d12138dbd..ded49e3bf2b0 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -3725,6 +3725,7 @@ void tcpm_unregister_port(struct tcpm_port *port)
 	for (i = 0; i < ARRAY_SIZE(port->port_altmode); i++)
 		typec_unregister_altmode(port->port_altmode[i]);
 	typec_unregister_port(port->typec_port);
+	usb_role_switch_put(port->role_sw);
 	tcpm_debugfs_exit(port);
 	destroy_workqueue(port->wq);
 }