On Thu, Mar 28, 2013 at 02:44:01PM -0400, Alan Stern wrote: > On Thu, 28 Mar 2013, Greg KH wrote: > > > > >>ls /sys/bus/usb/devices > > > >>1-0:1.0 2-0:1.0 port1-1 port1-1.3 port2-1.2 port2-2 port4-3 > > > >>1-1 2-1 port1-1.1 port1-1.4 port2-1.3 port3-1 port4-4 > > > >>1-1.1 2-1:1.0 port1-1.2 port1-1.5 port2-1.4 port3-2 usb1 > > > >>1-1:1.0 3-0:1.0 port1-1.2.1 port1-1.6 port2-1.5 port3-3 usb2 > > > >>1-1.1:1.0 3-1 port1-1.2.2 port1-2 port2-1.6 port3-4 usb3 > > > >>1-1.2 3-1:1.0 port1-1.2.3 port2-1 port2-1.7 port4-1 usb4 > > > >>1-1.2:1.0 4-0:1.0 port1-1.2.4 port2-1.1 port2-1.8 port4-2 > > > > > > > >What does it look like if you reverse the naming scheme (hub dev name + > > > >"port")? Doesn't that show the devices in a bit more logical way? > > > Hi Greg: > > > Do you mean e.g "port1.2-1", originally it's "port2-1.1". > > > 2-1 is hub dev name? > > > > No, I mean "2-1.port1" as these are the ports on the device, the device > > prefix should go first, right? > > > > > If right, how about root hub port and it should be port2.usb1? > > > > "usb1.port2" > > Is this a good idea? There are userspace programs that look through > the list of files in /sys/bus/usb/devices, and they probably expect > filenames beginning with a number or with 'usb' to be USB devices and > interfaces. What userspace programs? And if they do that, then we shouldn't put the ports in here at all. 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
