Merge tag 'usb-for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-testing

Felipe writes:

usb: changes for v4.13 merge window

This time around we have a total of 57 non-merge commits. A list of
most important changes follows:

- Improvements to dwc3 tracing interface
- Initial dual-role support for dwc3
- Improvements to how we handle DMA resources in dwc3
- A new f_uac1 implementation which much more flexible
- Removal of AVR32 bits
- Improvements to f_mass_storage driver

include/linux/usb/gadget.h

@@ -304,6 +304,7 @@ struct usb_gadget_ops {
 	int	(*udc_start)(struct usb_gadget *,
 			struct usb_gadget_driver *);
 	int	(*udc_stop)(struct usb_gadget *);
+	void	(*udc_set_speed)(struct usb_gadget *, enum usb_device_speed);
 	struct usb_ep *(*match_ep)(struct usb_gadget *,
 			struct usb_endpoint_descriptor *,
 			struct usb_ss_ep_comp_descriptor *);
@@ -352,6 +353,8 @@ struct usb_gadget_ops {
  * @deactivated: True if gadget is deactivated - in deactivated state it cannot
  *	be connected.
  * @connected: True if gadget is connected.
+ * @lpm_capable: If the gadget max_speed is FULL or HIGH, this flag
+ *	indicates that it supports LPM as per the LPM ECN & errata.
  *
  * Gadgets have a mostly-portable "gadget driver" implementing device
  * functions, handling all usb configurations and interfaces.  Gadget
@@ -404,6 +407,7 @@ struct usb_gadget {
 	unsigned			is_selfpowered:1;
 	unsigned			deactivated:1;
 	unsigned			connected:1;
+	unsigned			lpm_capable:1;
 };
 #define work_to_gadget(w)	(container_of((w), struct usb_gadget, work))
 

include/linux/usb/phy.h

@@ -9,6 +9,7 @@
 #ifndef __LINUX_USB_PHY_H
 #define __LINUX_USB_PHY_H
 
+#include <linux/extcon.h>
 #include <linux/notifier.h>
 #include <linux/usb.h>
 
@@ -85,6 +86,12 @@ struct usb_phy {
 	struct usb_phy_io_ops	*io_ops;
 	void __iomem		*io_priv;
 
+	/* to support extcon device */
+	struct extcon_dev	*edev;
+	struct extcon_dev	*id_edev;
+	struct notifier_block	vbus_nb;
+	struct notifier_block	id_nb;
+
 	/* for notification of usb_phy_events */
 	struct atomic_notifier_head	notifier;