UART_OMAP_OSC_12M_SEL 2511 drivers/tty/serial/8250/8250_port.c serial_port_out(port, UART_OMAP_OSC_12M_SEL, 1); UART_OMAP_OSC_12M_SEL 2513 drivers/tty/serial/8250/8250_port.c serial_port_out(port, UART_OMAP_OSC_12M_SEL, 0);