HelenOS sources

QH_STATUS_TOGGLE_FLAG  189 uspace/drv/bus/usb/ehci/hw_struct/queue_head.h 		EHCI_MEM32_SET(qh->status, QH_STATUS_TOGGLE_FLAG);
QH_STATUS_TOGGLE_FLAG  191 uspace/drv/bus/usb/ehci/hw_struct/queue_head.h 		EHCI_MEM32_CLR(qh->status, QH_STATUS_TOGGLE_FLAG);
QH_STATUS_TOGGLE_FLAG  197 uspace/drv/bus/usb/ehci/hw_struct/queue_head.h 	return (EHCI_MEM32_RD(qh->status) & QH_STATUS_TOGGLE_FLAG) ? 1 : 0;