HelenOS sources

usb_polling_init  279 uspace/drv/bus/usb/usbhub/usbhub.c 	if ((err = usb_polling_init(polling)))
usb_polling_init  524 uspace/drv/hid/usbhid/usbhid.c 		if ((rc = usb_polling_init(polling))) {
usb_polling_init  147 uspace/lib/usbdev/include/usb/dev/poll.h errno_t usb_polling_init(usb_polling_t *);