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SubjectRe: [PATCH -rt][RESEND] fix preempt hardirqs on OMAP
On Mon, 2006-12-11 at 19:54 +0000, Russell King wrote:

> > > what if the irq got disabled meanwhile? Also, chip->enable is a
> > > compatibility method, not something we should use in a flow handler.
> >
> > I don't know how other arches deal with IRQ_PENDING, but ARM (OMAP at
> > least) disables the IRQ on IRQ_PENDING.
> Please point out where it's doing that, and I'll take a look to see
> if it's doing something it shouldn't.

It's in arch/arm/plat-omap/gpio.c . It uses the lowlevel function to
disable the interrupt, not chip->disable() . In gpio_irq_handler() .


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