On Thu, Aug 20, 2009 at 03:04:00PM +0100, 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. Ick. I posted here notices that this was going away and no one responded that they needed them :( > These programs (which use libusb 1.0) need to obtain the CHID of the > host controller that the WUSB device is connected to. libusb has nothing to do with this. > Can these sysfs files be reinstated? Alternatively (but not preferred) > a symlink from the root hub device to the hcd device could be added. Can't you just walk up the device tree a bit to get to the host controller device? libudev will allow you to do this quite easily. thanks, greg k-h -- 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