linux-2.6/Documentation/sh$ ls -la
итого 28
drwxr-xr-x  2 s s  4096 2009-02-11 15:31 .
drwxr-xr-x 82 s s  4096 2009-02-19 16:38 ..
-rw-r--r--  1 s s  1173 2009-02-11 15:31 clk.txt
-rw-r--r--  1 s s 10199 2009-02-11 15:31 new-machine.txt
-rw-r--r--  1 s s  1416 2009-02-11 15:31 register-banks.txt
linux-2.6/Documentation/sh$

#ifdef CONFIG_CONSOLE_POLL
static int atmel_poll_get_char(struct uart_port *port)
{
    while (!(UART_GET_CSR(port) & ATMEL_US_RXRDY));
    
    return UART_GET_CHAR(port);
}

static void atmel_poll_put_char(struct uart_port *port, unsigned char ch)
{
    while (!(UART_GET_CSR(port) & ATMEL_US_TXRDY));
    
    UART_PUT_CHAR(port, ch);
}
#endif

static struct uart_ops atmel_pops = {
    .tx_empty    = atmel_tx_empty,
    .set_mctrl    = atmel_set_mctrl,
    .get_mctrl    = atmel_get_mctrl,
    .stop_tx    = atmel_stop_tx,
    .start_tx    = atmel_start_tx,
    .stop_rx    = atmel_stop_rx,
    .enable_ms    = atmel_enable_ms,
    .break_ctl    = atmel_break_ctl,
    .startup    = atmel_startup,
    .shutdown    = atmel_shutdown,
    .flush_buffer    = atmel_flush_buffer,
    .set_termios    = atmel_set_termios,
    .type        = atmel_type,
    .release_port    = atmel_release_port,
    .request_port    = atmel_request_port,
    .config_port    = atmel_config_port,
    .verify_port    = atmel_verify_port,
    .pm        = atmel_serial_pm,
#ifdef CONFIG_CONSOLE_POLL
    .poll_get_char    = atmel_poll_get_char,
    .poll_put_char    = atmel_poll_put_char,
#endif
};