Messages in this thread | | | Date | Wed, 23 Dec 2009 14:00:46 -0800 (PST) | Subject | Re: [PATCH 15/37] sparc,sunzilog: Add console polling support for sunzilog serial driver | From | David Miller <> |
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From: Jason Wessel <jason.wessel@windriver.com> Date: Wed, 23 Dec 2009 15:54:53 -0600
> David Miller wrote: >> 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? >> > > This was copied from zm.c driver. I don't think the HW needs it, I'll > retest and purge it. ... > Consider it done.
Thanks.
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