On Thu, 20 Aug 2009, David Vrabel wrote: > Using sysfs, it is no longer possible to obtain the host controller > device for a specific USB bus B (i.e., > /sys/class/usb_host/usb_hostB/device). This change to the sysfs API > has broken user space applications used to authenticate WUSB devices. > > These programs (which use libusb 1.0) need to obtain the CHID of the > host controller that the WUSB device is connected to. > > Can these sysfs files be reinstated? Alternatively (but not preferred) > a symlink from the root hub device to the hcd device could be added. Why do you need a symlink? The host controller is the _parent_ of the root hub. So all you have to do is append "/.." to the root hub's path. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
