/* Request the memory region(s) being used by 'port'.  */
static int sa1100_request_port(struct uart_port *port)
/* Request the memory region(s) being used by 'port'.  */
static int sa1100_request_port(struct uart_port *port)
{
	struct sa1100_port *sport = (struct sa1100_port *)port;
	return request_mem_region(sport->port.mapbase, UART_PORT_SIZE,
			"sa11x0-uart") != NULL ? 0 : -EBUSY;
}