Comment 47 for bug 1222313

Hello..

I'm replying now since I didn't get any email notification even I've been subscribed to all notifications.

I saw 2-1 and 2-1:1.0 in that directory when plugged the hdd expansion drive. Hope it's what you meant :

ls /sys/bus/usb/devices/2-1
2-1:1.0 bDeviceSubClass configuration idProduct remove
authorized bmAttributes descriptors idVendor serial
avoid_reset_quirk bMaxPacketSize0 dev manufacturer speed
bcdDevice bMaxPower devnum maxchild subsystem
bConfigurationValue bNumConfigurations devpath power uevent
bDeviceClass bNumInterfaces driver product urbnum
bDeviceProtocol busnum ep_00 quirks version

ls /sys/bus/usb/devices/2-1:1.0
bAlternateSetting bInterfaceProtocol driver host4 subsystem
bInterfaceClass bInterfaceSubClass ep_02 modalias supports_autosuspend
bInterfaceNumber bNumEndpoints ep_81 power uevent