usb: gadget: composite: introduce setup and os_desc pending flags

These flags we be set to true whenever their
matching request is queued. They will be cleared
to false when that request completes.

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index c330f5e..ed3811c 100644 (file)
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -427,6 +427,8 @@ static inline struct usb_composite_driver *to_cdriver(
  * @b_vendor_code: bMS_VendorCode part of the OS string
  * @use_os_string: false by default, interested gadgets set it
  * @os_desc_config: the configuration to be used with OS descriptors
+ * @setup_pending: true when setup request is queued but not completed
+ * @os_desc_pending: true when os_desc request is queued but not completed
  *
  * One of these devices is allocated and initialized before the
  * associated device driver's bind() is called.
@@ -488,6 +490,9 @@ struct usb_composite_dev {
 
        /* protects deactivations and delayed_status counts*/
        spinlock_t                      lock;
+
+       unsigned                        setup_pending:1;
+       unsigned                        os_desc_pending:1;
 };
 
 extern int usb_string_id(struct usb_composite_dev *c);