Author: thompsa
Date: Wed May 12 22:44:57 2010
New Revision: 208010
URL: http://svn.freebsd.org/changeset/base/208010
Log:
Provide more information about the device location in the USB system.
Submitted by: Hans Petter Sekasky
Modified:
head/sys/dev/usb/usb_hub.c
Modified: head/sys/dev/usb/usb_hub.c
==============================================================================
--- head/sys/dev/usb/usb_hub.c Wed May 12 22:43:33 2010 (r208009)
+++ head/sys/dev/usb/usb_hub.c Wed May 12 22:44:57 2010 (r208010)
@@ -1010,8 +1010,10 @@ uhub_child_location_string(device_t pare
}
goto done;
}
- snprintf(buf, buflen, "port=%u interface=%u",
- res.portno, res.iface_index);
+ snprintf(buf, buflen, "bus=%u hubaddr=%u port=%u devaddr=%u
interface=%u",
+ (res.udev->parent_hub != NULL) ? res.udev->parent_hub->device_index
: 0,
+ res.portno, device_get_unit(res.udev->bus->bdev),
+ res.udev->device_index, res.iface_index);
done:
mtx_unlock(&Giant);
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