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-rw-r--r--include/linux/usb/ch9.h3
-rw-r--r--include/linux/usb/gadget.h9
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 264c9712a3..989a5fcbd9 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -878,6 +878,9 @@ struct usb_ss_cap_descriptor { /* Link Power Management */
__le16 bU2DevExitLat;
} __attribute__((packed));
+#define USB_DEFAULT_U1_DEV_EXIT_LAT 0x01 /* Less then 1 microsec */
+#define USB_DEFAULT_U2_DEV_EXIT_LAT 0x01F4 /* Less then 500 microsec */
+
#define USB_DT_USB_SS_CAP_SIZE 10
/*
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 66794d7894..06292ddeb6 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -592,6 +592,15 @@ static inline int gadget_is_otg(struct usb_gadget *g)
}
/**
+ * gadget_is_superspeed() - return true if the hardware handles superspeed
+ * @g: controller that might support superspeed
+ */
+static inline int gadget_is_superspeed(struct usb_gadget *g)
+{
+ return g->max_speed >= USB_SPEED_SUPER;
+}
+
+/**
* usb_gadget_frame_number - returns the current frame number
* @gadget: controller that reports the frame number
*