* We only do this from uart_start 
* Re-enable the transmitter if we disabled it. 
static void sunsu_start_tx(struct uart_port *port){	struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;	if (!(up->ier & UART_IER_THRI)) {		up->ier |= UART_IER_THRI;		serial_out(up, UART_IER, up->ier);	}	/*	 * We only do this from uart_start	 */	if (tty_start && up->port.type == PORT_16C950 /*FIXME*/) {		up->acr &= ~UART_ACR_TXDIS;		serial_icr_write(up, UART_ACR, up->acr);	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/3d9c994840f0e217c391871ddbb84a506d275658/sunsu.c/buggy/drivers/serial/sunsu.c