UART_PORT_SIZE     50 drivers/tty/serial/amba-pl010.c #define UART_PORT_SIZE		64
UART_PORT_SIZE     53 drivers/tty/serial/pnx8xxx_uart.c #define UART_PORT_SIZE	0x1000
UART_PORT_SIZE     68 drivers/tty/serial/sa1100.c #define UART_PORT_SIZE	0x24