mpc5200: add interrupt type function

[Robert Schwebel]

On Tue, Apr 15, 2008 at 05:29:54PM +0200, Robert Schwebel wrote:
> From: Sascha Hauer <s.hauer at pengutronix.de>
> 
> Add a set_type function for external (GPIO) interrupts.
> 
> Signed-off-by: Juergen Beisert <j.beisert at pengutronix.de>
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

As we didn't get negative feedback yet, could this go into the 2.6.26
merge window?

Robert
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