1 files changed, 14 insertions, 4 deletions

diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c
index e62713846350..0f266bc067f5 100644
--- a/drivers/usb/gadget/function/f_serial.c
+++ b/drivers/usb/gadget/function/f_serial.c
@@ -233,13 +233,11 @@ static int gser_bind(struct usb_configuration *c, struct usb_function *f)
 	gser_ss_out_desc.bEndpointAddress = gser_fs_out_desc.bEndpointAddress;
 
 	status = usb_assign_descriptors(f, gser_fs_function, gser_hs_function,
-			gser_ss_function, NULL);
+			gser_ss_function, gser_ss_function);
 	if (status)
 		goto fail;
-	dev_dbg(&cdev->gadget->dev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n",
+	dev_dbg(&cdev->gadget->dev, "generic ttyGS%d: IN/%s OUT/%s\n",
 		gser->port_num,
-		gadget_is_superspeed(c->cdev->gadget) ? "super" :
-		gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
 		gser->port.in->name, gser->port.out->name);
 	return 0;
 
@@ -345,6 +343,10 @@ static void gser_free(struct usb_function *f)
 
 static void gser_unbind(struct usb_configuration *c, struct usb_function *f)
 {
+	struct f_gser	*gser = func_to_gser(f);
+
+	/* Ensure port is disconnected before unbinding */
+	gserial_disconnect(&gser->port);
 	usb_free_all_descriptors(f);
 }
 
@@ -362,6 +364,12 @@ static void gser_suspend(struct usb_function *f)
 	gserial_suspend(&gser->port);
 }
 
+static int gser_get_status(struct usb_function *f)
+{
+	return (f->func_wakeup_armed ? USB_INTRF_STAT_FUNC_RW : 0) |
+		USB_INTRF_STAT_FUNC_RW_CAP;
+}
+
 static struct usb_function *gser_alloc(struct usb_function_instance *fi)
 {
 	struct f_gser	*gser;
@@ -385,11 +393,13 @@ static struct usb_function *gser_alloc(struct usb_function_instance *fi)
 	gser->port.func.free_func = gser_free;
 	gser->port.func.resume = gser_resume;
 	gser->port.func.suspend = gser_suspend;
+	gser->port.func.get_status = gser_get_status;
 
 	return &gser->port.func;
 }
 
 DECLARE_USB_FUNCTION_INIT(gser, gser_alloc_inst, gser_alloc);
+MODULE_DESCRIPTION("generic USB serial function driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Al Borchers");
 MODULE_AUTHOR("David Brownell");