Function prototype or declaration at drivers/usb/host/dwc2.c, line 847 References: drivers/usb/host/dwc2.c, line 109 drivers/usb/host/dwc2.c, line 129 drivers/usb/host/dwc2.c, line 154 drivers/usb/host/dwc2.c, line 216 drivers/usb/host/dwc2.c, line 228 drivers/usb/host/dwc2.c, line 235 drivers/usb/host/dwc2.c, line 243 drivers/usb/host/dwc2.c, line 283 drivers/usb/host/dwc2.c, line 324 drivers/usb/host/dwc2.c, line 383 drivers/usb/host/dwc2.c, line 405 drivers/usb/host/dwc2.c, line 431 drivers/usb/host/dwc2.c, line 472 drivers/usb/host/dwc2.c, line 475 drivers/usb/host/dwc2.c, line 488 drivers/usb/host/dwc2.c, line 827 drivers/usb/host/dwc2.c, line 847 drivers/usb/host/dwc2.c, line 850 drivers/usb/host/dwc2.c, line 995 drivers/usb/host/dwc2.c, line 996