HelenOS sources

MAX_CHUNK_SIZE    139 uspace/drv/bus/usb/xhci/transfers.c 	ts->chunk_size = (chunk_mask > MAX_CHUNK_SIZE + 1) ?
MAX_CHUNK_SIZE    140 uspace/drv/bus/usb/xhci/transfers.c 	    MAX_CHUNK_SIZE : (chunk_mask + 1);
HelenOS homepage, sources at GitHub