Report the TT Think Time of USB2.0 Hubs.

diff --git a/sys/dev/usb/uhub.c b/sys/dev/usb/uhub.c
index 593ea69..86c722c 100644 (file)
--- a/sys/dev/usb/uhub.c
+++ b/sys/dev/usb/uhub.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uhub.c,v 1.81 2014/12/09 07:05:06 doug Exp $ */
+/*     $OpenBSD: uhub.c,v 1.82 2015/01/02 11:58:32 mpi Exp $ */
 /*     $NetBSD: uhub.c,v 1.64 2003/02/08 03:32:51 ichiro Exp $ */
 /*     $FreeBSD: src/sys/dev/usb/uhub.c,v 1.18 1999/11/17 22:33:43 n_hibma Exp $       */
 
@@ -167,6 +167,7 @@ uhub_attach(struct device *parent, struct device *self, void *aux)
                err = usbd_get_hub_descriptor(dev, &hd.hs, 1);
                nports = hd.hs.bNbrPorts;
                powerdelay = (hd.hs.bPwrOn2PwrGood * UHD_PWRON_FACTOR);
+               ttthink = UGETW(hd.hs.wHubCharacteristics) & UHD_TT_THINK;
                if (!err && nports > 7)
                        usbd_get_hub_descriptor(dev, &hd.hs, nports);
        }
@@ -220,7 +221,7 @@ uhub_attach(struct device *parent, struct device *self, void *aux)
        hub->explore = uhub_explore;
        hub->nports = nports;
        hub->powerdelay = powerdelay;
-       hub->ttthink = ttthink;
+       hub->ttthink = ttthink >> 5;
 
        if (!dev->self_powered && dev->powersrc->parent != NULL &&
            !dev->powersrc->parent->self_powered) {