I am sorry I haven't consider of that. I just want testusb tool can work with default option since path /dev/bus/usb exists on most computer, not /proc/bus/usb. So, if I just add /dev/bus/usb to the default search path, is it ok? Thanks. -----Original Message----- From: gregkh@xxxxxxxxxxxxxxxxxxx [mailto:gregkh@xxxxxxxxxxxxxxxxxxx] Sent: Saturday, May 12, 2012 6:09 AM To: Du, ChangbinX Cc: mina86@xxxxxxxxxx; Fleming, Matt; balbi@xxxxxx; hpa@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx Subject: Re: [PATCH 2/3] testusb: using real device-nodes managed by udev instead of using usbfs On Fri, May 11, 2012 at 11:02:01AM +0000, Du, ChangbinX wrote: > As the usbfs functionality have replaced by real device-nodes managed by udev whose nodes lived in /dev/bus/usb for a long time, testusb tool need update correspondingly. Why? Is this causing problems as it is today? > Because udev path is fixed, so the "-A" option no longer need and it is removed. Did you just break scripts that was using that option? That's not nice, and not acceptable. 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