USB: gadget: gadget_is_{dualspeed,otg} predicates and cleanup

[mv-sheeva.git] / include / linux / usb_gadget.h

diff --git a/include/linux/usb_gadget.h b/include/linux/usb_gadget.h
index ec9732e7fea2a613b4a75eee3c6a83017f3b7a49..5ea611e48ec13389c46b23928534fa3298d4acab 100644 (file)
--- a/include/linux/usb_gadget.h
+++ b/include/linux/usb_gadget.h
@@ -479,6 +479,39 @@ static inline void *get_gadget_data (struct usb_gadget *gadget)
        list_for_each_entry(tmp, &(gadget)->ep_list, ep_list)
 
 
+/**
+ * gadget_is_dualspeed - return true iff the hardware handles high speed
+ * @gadget: controller that might support both high and full speeds
+ */
+static inline int gadget_is_dualspeed(struct usb_gadget *g)
+{
+#ifdef CONFIG_USB_GADGET_DUALSPEED
+       /* runtime test would check "g->is_dualspeed" ... that might be
+        * useful to work around hardware bugs, but is mostly pointless
+        */
+       return 1;
+#else
+       return 0;
+#endif
+}
+
+/**
+ * gadget_is_otg - return true iff the hardware is OTG-ready
+ * @gadget: controller that might have a Mini-AB connector
+ *
+ * This is a runtime test, since kernels with a USB-OTG stack sometimes
+ * run on boards which only have a Mini-B (or Mini-A) connector.
+ */
+static inline int gadget_is_otg(struct usb_gadget *g)
+{
+#ifdef CONFIG_USB_OTG
+       return g->is_otg;
+#else
+       return 0;
+#endif
+}
+
+
 /**
  * usb_gadget_frame_number - returns the current frame number
  * @gadget: controller that reports the frame number