Plug in/out the joystick retrieve this lines in syslog
Jan 31 01:10:54 raspberrypi kernel: [ 48.458230] usb 1-1.3: USB disconnect, device number 5
Jan 31 01:10:57 raspberrypi kernel: [ 51.253379] usb 1-1.3: new low-speed USB device number 6 using dwc_otg
Jan 31 01:10:57 raspberrypi kernel: [ 51.360054] usb 1-1.3: New USB device found, idVendor=16c0, idProduct=05e1
Jan 31 01:10:57 raspberrypi kernel: [ 51.360087] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Jan 31 01:10:57 raspberrypi kernel: [ 51.360104] usb 1-1.3: Product: THT Arcade console 2P USB Player
Jan 31 01:10:57 raspberrypi kernel: [ 51.360119] usb 1-1.3: Manufacturer: THT
Jan 31 01:10:57 raspberrypi kernel: [ 51.378515] input: THT THT Arcade console 2P USB Player as /devices/platform/bcm2708_usb/usb1/1-1/1-1.3/1-1.3:1.0/input/input3
Jan 31 01:10:57 raspberrypi kernel: [ 51.380388] hid-generic 0003:16C0:05E1.0004: input,hidraw2: USB HID v1.01 Joystick [THT THT Arcade console 2P USB Player] on usb-bcm2708_usb-1.3/input0