usb: gadget: add max_speed to usb_composite_driver

This field is used by the Gadget drivers to specify
the maximum speed they support, meaning: the maximum
speed they can provide descriptors for.

The driver speed will be set in consideration of this
value.

[ balbi@ti.com : dropped the ifdeffery ]

Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 99830d63d8f1..a3e72dfa6996 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -240,6 +240,7 @@ int usb_add_config(struct usb_composite_dev *,
  *      identifiers.
  * @strings: tables of strings, keyed by identifiers assigned during bind()
  *      and language IDs provided in control requests
+ * @max_speed: Highest speed the driver supports.
  * @needs_serial: set to 1 if the gadget needs userspace to provide
  *      a serial number.  If one is not provided, warning will be printed.
  * @unbind: Reverses bind; called as a side effect of unregistering
@@ -267,6 +268,7 @@ struct usb_composite_driver {
         const char                              *iManufacturer;
         const struct usb_device_descriptor      *dev;
         struct usb_gadget_strings               **strings;
+        enum usb_device_speed                   max_speed;
         unsigned                needs_serial:1;
 
         int                     (*unbind)(struct usb_composite_dev *);