Re: [RFC patch 2/3] genirq: Add buslock support for irq chips onslow busses

[Pavel Machek]

On Fri 2009-08-14 12:20:49, Thomas Gleixner wrote:
> On Fri, 14 Aug 2009, Pavel Machek wrote:
> > > +extern void disable_slowbus_irq(unsigned int irq);
> > > +extern void enable_slowbus_irq(unsigned int irq);
> > > +
> > 
> > AFAICT this means that driver would need to know what kind of IRQ it
> > is hooked to, right? That will lead to some ugly code in drivers that
> > can handle both normal and slowbus irqs, right?
> 
> Are there such drivers in reality ?

I think so. Between Spitz and Akita, some gpios were moved to slow i2c
extender. For stuff like buttons...

Now... it is probably already fixed somehow for Spitz/Akita, but I
believe more hardware designers do such things....
									Pavel
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