Structure at drivers/usb/core/hcd.h, line 161 References: drivers/usb/c67x00/c67x00-hcd.c, line 309 drivers/usb/core/hcd-pci.c, line 60 drivers/usb/core/hcd-pci.c, line 69 drivers/usb/core/hcd.c, line 1761 drivers/usb/core/hcd.h, line 88 drivers/usb/core/hcd.h, line 161 drivers/usb/core/hcd.h, line 237 drivers/usb/gadget/dummy_hcd.c, line 1841 drivers/usb/host/isp116x-hcd.c, line 1510 drivers/usb/host/isp1760-hcd.c, line 2195 drivers/usb/host/r8a66597-hcd.c, line 2204 drivers/usb/host/sl811-hcd.c, line 1558 drivers/usb/host/u132-hcd.c, line 2971 drivers/usb/host/uhci-hcd.c, line 897 drivers/usb/musb/musb_host.c, line 2145