serial8250_read_char  286 drivers/tty/serial/8250/8250_aspeed_vuart.c 				serial8250_read_char(up, lsr);
serial8250_read_char 1699 drivers/tty/serial/8250/8250_port.c EXPORT_SYMBOL_GPL(serial8250_read_char);
serial8250_read_char 1712 drivers/tty/serial/8250/8250_port.c 		serial8250_read_char(up, lsr);
serial8250_read_char  170 include/linux/serial_8250.h void serial8250_read_char(struct uart_8250_port *up, unsigned char lsr);