[U-Boot] [PATCH resend] armv7/ltimer: Add support for local timer on armv7 cpus

Wolfgang Denk wd at denx.de
Mon Dec 17 18:53:43 CET 2012


Dear Vipin Kumar,

In message <50CE9E90.1090406 at st.com> you wrote:
>
> Dennis is right. I am trying to provide the armv7 local timer support.

Why would we need such?  And how is the term "local" defined here?
Local to what?

> Well, actually the local timer was used in the spear13xx support which 
> is to be added later on. The global timer was not used and hence the 
> driver was not needed (at least by us). but I agree that such a driver 
> would be useful for a lot of people using armv7 cores and CPU timers

Please explain why?  We do have timer support on armv7, right?

Why are you adding something new, then?  If you are tring to replace
existing code with some better implementation, I would expect to see
code being removed, too?

> The global timer support, even if it is added, would be added as a 
> separate driver so this is infact complete in its own

Please understand that completeness has never been any goal for
U-Boot, on contrary.

Quote:

Perfection is reached, not when there is no longer anything  to  add,
but when there is no longer anything to take away.
                                           - Antoine de Saint-Exupery


Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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