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    SubjectRe: [PATCH 15/37] sparc,sunzilog: Add console polling support for sunzilog serial driver
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    From: Jason Wessel <jason.wessel@windriver.com>
    Date: Wed, 23 Dec 2009 15:19:28 -0600

    > +static void sunzilog_put_poll_char(struct uart_port *port,
    > + unsigned char ch)
    > +{
    > + struct uart_sunzilog_port *up = (struct uart_sunzilog_port *)port;
    > +
    > + sunzilog_putchar(&up->port, ch);
    > + udelay(2);
    > +
    > +}
    > +#endif /* CONFIG_CONSOLE_POLL */

    Just curious, what is the udelay() for?

    > static struct uart_ops sunzilog_pops = {
    > .tx_empty = sunzilog_tx_empty,
    > .set_mctrl = sunzilog_set_mctrl,
    > @@ -1013,6 +1061,10 @@ static struct uart_ops sunzilog_pops = {
    > .request_port = sunzilog_request_port,
    > .config_port = sunzilog_config_port,
    > .verify_port = sunzilog_verify_port,
    > +#ifdef CONFIG_CONSOLE_POLL
    > + .poll_get_char = sunzilog_get_poll_char,
    > + .poll_put_char = sunzilog_put_poll_char,
    > +#endif
    > };

    Please make the indentation consistent with the rest of those in
    this structure.


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