From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scott Wood <scottwood@freescale.com>
Date: Fri, 04 Sep 2009 14:28:01 -0500
Subject: [U-Boot] Odd value for I2C_TIMEOUT in fsl_i2c.c
In-Reply-To: <20090904192320.34250832E8DE@gemini.denx.de>
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Wolfgang Denk wrote:
> Dear Scott Wood,
> 
> In message <20090904183437.GA20066@b07421-ec1.am.freescale.net> you wrote:
>>> milliseconds, i. e. a time. "(CONFIG_SYS_HZ / 4)" is a frequency,
>>> i. e. not a time, but the inverse of it.
>>>
>>> It is plain wront to write "250 per second" when you mean "250 milliseconds"
>> It is not a frequency, it is a number of ticks.  This is a very common
>> idiom.
> 
> CONFIG_SYS_HZ _is_ a frequenzy. It is the number of ticks _per_
> _second_. That is the _inverse_ of a time unit, not a time unit.

Yes, CONFIG_SYS_HZ is a frequency.  And when you multiply a _frequency_, 
which is _ticks_ per _second_, by a number _seconds_ (in this case, 1/4 
sec), you get a number of _ticks_.

-Scott