Re: [PATCH 15/37] sparc,sunzilog: Add console polling support forsunzilog serial driver

From: David Miller
Date: Wed Dec 23 2009 - 17:00:50 EST


From: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
Date: Wed, 23 Dec 2009 15:54:53 -0600

> David Miller wrote:
>> From: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
>> 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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