Comment # 19 on bug 1120854 from andreas bittner

sudo /sbin/lspci -v | grep -i renesa
02:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host
Controller (rev 02) (prog-if 30 [XHCI])

sudo /sbin/lspci -vn | grep -i "02:00.0"
02:00.0 0c03: 1912:0015 (rev 02) (prog-if 30 [XHCI])

sudo /sbin/lspci -vnn | grep -i "02:00.0"
02:00.0 USB controller [0c03]: Renesas Technology Corp. uPD720202 USB 3.0 Host
Controller [1912:0015] (rev 02) (prog-if 30 [XHCI])


currently running the 5.0 rc kernel again to have a functioning device.