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From: Ben Dooks on 25 Feb 2010 11:10
On Thu, Feb 25, 2010 at 06:37:37PM +0530, viresh kumar wrote:
> Hello,
>
> I need to call my board specific initialization routine before
> timer_init or map_io is called.
> I tried to see that in earlier architectures and found most of
> architecture call machine
> specific init function from map_io or init_irq or init_machine.
>
> Situation: I need to register my clock framework with
> arch/arm/common/clkdev framework
> before actually initializing timer. So i can't do this in
> "init_machine" as timer_init is called
> before that.

One method would be to use an init call from <linux/init.h> which is
called before these are done (you'll have to work out which one is
suitable for yourself).

Either that or ensure that your boards always call a specific
routine in their init sequence to ensure clocks are registered before
the timer needs them.

If I remeber correctly, map_io() is actually called before the timers
are initialised, so you could add your clocks there.

--
Ben

Q: What's a light-year?
A: One-third less calories than a regular year.

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