From 71a7208f693ff9af09cc3852ac4baed5a903e055 Mon Sep 17 00:00:00 2001
From: Vadim Galyant <vgal@rambler.ru>
Date: Fri, 1 Dec 2017 10:13:10 +0900
Subject: [PATCH] [USBPORT] Add USB2_IncMicroFrame().

---
 drivers/usb/usbport/usb2.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/usb/usbport/usb2.c b/drivers/usb/usbport/usb2.c
index b70ac11851b..d8d5da9af19 100644
--- a/drivers/usb/usbport/usb2.c
+++ b/drivers/usb/usbport/usb2.c
@@ -38,6 +38,20 @@ USB2_AddDataBitStuff(IN USHORT DataTime)
     return (DataTime + (DataTime / 16));
 }
 
+VOID
+NTAPI
+USB2_IncMicroFrame(OUT PUCHAR frame,
+                   OUT PUCHAR uframe)
+{
+    ++*uframe;
+
+    if (*uframe > (USB2_MICROFRAMES - 1))
+    {
+        *uframe = 0;
+        *frame = (*frame + 1) & (USB2_FRAMES - 1);
+    }
+}
+
 BOOLEAN
 NTAPI
 USB2_CheckTtEndpointInsert(IN PUSB2_TT_ENDPOINT nextTtEndpoint,
-- 
2.17.1