/* serial core request to enable modem status interrupt reporting  */
static void bcm_uart_enable_ms(struct uart_port *port)
/* serial core request to enable modem status interrupt reporting  */
static void bcm_uart_enable_ms(struct uart_port *port)
{
	unsigned int val;
	val = bcm_uart_readl(port, UART_IR_REG);
	val |= UART_IR_MASK(UART_IR_EXTIP);
	bcm_uart_writel(port, val, UART_IR_REG);
}