[U-Boot] [PATCH] README: document the requirements for CONFIG_SYS_HZ

[Tom Rini]

On Fri, Mar 22, 2013 at 10:41:53PM +0100, Wolfgang Denk wrote:
> Dear Stephen Warren,
> 
> In message <514CCAAE.6020909 at wwwdotorg.org> you wrote:
> >
> > >> +		The frequency of the timer returned by get_timer(). This value
> > >> +		MUST be 1000.
> > > 
> > > This is misleading, or even incorrect.  If I read this, I would expect
> > > that get_timer() returns 1000. Obviously, this is incorrect.  Instead,
> > > get_timer() returns timestamp information in millisecond resolution.
> > 
> > That is not what that sentence means.
> 
> Yes, I know.  But it can be easily misinterpreted.

How about:
The frequency of the timer returned by get_timer().  get_timer() must
operate in milliseconds and this CONFIG option must be set to 1000.

-- 
Tom
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