usb_serial_suspend 1137 drivers/usb/serial/usb-serial.c EXPORT_SYMBOL(usb_serial_suspend);
usb_serial_suspend 1388 drivers/usb/serial/usb-serial.c 	udriver->suspend = usb_serial_suspend;
usb_serial_suspend  324 include/linux/usb/serial.h extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message);