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-rw-r--r--include/linux/usb.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 9642ee02d713..25f8e62a30ec 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -170,6 +170,12 @@ usb_find_last_int_out_endpoint(struct usb_host_interface *alt,
return usb_find_common_endpoints_reverse(alt, NULL, NULL, NULL, int_out);
}
+enum usb_wireless_status {
+ USB_WIRELESS_STATUS_NA = 0,
+ USB_WIRELESS_STATUS_DISCONNECTED,
+ USB_WIRELESS_STATUS_CONNECTED,
+};
+
/**
* struct usb_interface - what usb device drivers talk to
* @altsetting: array of interface structures, one for each alternate
@@ -197,6 +203,10 @@ usb_find_last_int_out_endpoint(struct usb_host_interface *alt,
* following a reset or suspend operation it doesn't support.
* @authorized: This allows to (de)authorize individual interfaces instead
* a whole device in contrast to the device authorization.
+ * @wireless_status: if the USB device uses a receiver/emitter combo, whether
+ * the emitter is connected.
+ * @wireless_status_work: Used for scheduling wireless status changes
+ * from atomic context.
* @dev: driver model's view of this device
* @usb_dev: if an interface is bound to the USB major, this will point
* to the sysfs representation for that device.
@@ -253,6 +263,8 @@ struct usb_interface {
unsigned needs_binding:1; /* needs delayed unbind/rebind */
unsigned resetting_device:1; /* true: bandwidth alloc after reset */
unsigned authorized:1; /* used for interface authorization */
+ enum usb_wireless_status wireless_status;
+ struct work_struct wireless_status_work;
struct device dev; /* interface specific device info */
struct device *usb_dev;
@@ -291,6 +303,11 @@ void usb_put_intf(struct usb_interface *intf);
#define USB_MAXINTERFACES 32
#define USB_MAXIADS (USB_MAXINTERFACES/2)
+bool usb_check_bulk_endpoints(
+ const struct usb_interface *intf, const u8 *ep_addrs);
+bool usb_check_int_endpoints(
+ const struct usb_interface *intf, const u8 *ep_addrs);
+
/*
* USB Resume Timer: Every Host controller driver should drive the resume
* signalling on the bus for the amount of time defined by this macro.
@@ -704,13 +721,12 @@ struct usb_device {
unsigned long active_duration;
-#ifdef CONFIG_PM
unsigned long connect_time;
unsigned do_remote_wakeup:1;
unsigned reset_resume:1;
unsigned port_is_suspended:1;
-#endif
+
struct wusb_dev *wusb_dev;
int slot_id;
struct usb2_lpm_parameters l1_params;
@@ -887,6 +903,10 @@ static inline int usb_interface_claimed(struct usb_interface *iface)
extern void usb_driver_release_interface(struct usb_driver *driver,
struct usb_interface *iface);
+
+int usb_set_wireless_status(struct usb_interface *iface,
+ enum usb_wireless_status status);
+
const struct usb_device_id *usb_match_id(struct usb_interface *interface,
const struct usb_device_id *id);
extern int usb_match_one_id(struct usb_interface *interface,