read_port         858 drivers/char/mem.c 	.read		= read_port,
read_port         184 drivers/usb/misc/cypress_cy7c63.c 	return read_port(dev, attr, buf, 0, CYPRESS_READ_PORT_ID0);
read_port         192 drivers/usb/misc/cypress_cy7c63.c 	return read_port(dev, attr, buf, 1, CYPRESS_READ_PORT_ID1);