usum              665 drivers/pci/switch/switchtec.c 	struct switchtec_ioctl_event_summary __user *usum,
usum              695 drivers/pci/switch/switchtec.c 	if (copy_to_user(usum, s, size)) {
usum              529 drivers/tty/moxa.c 	u16 usum, keycode;
usum              554 drivers/tty/moxa.c 	usum = 0;
usum              557 drivers/tty/moxa.c 		usum += le16_to_cpu(uptr[i]);
usum              579 drivers/tty/moxa.c 		writew(usum, baseAddr + checksum);