[PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/

Thomas Gleixner tglx at linutronix.de
Sat Apr 15 09:54:50 UTC 2017


On Sat, 15 Apr 2017, David Howells wrote:
> Thomas Gleixner <tglx at linutronix.de> wrote:
> 
> > > Btw, is it possible to use IRQ grants to prevent a device that has limited
> > > IRQ options from being drivable?
> > 
> > What do you mean with 'IRQ grants' ?
> 
> request_irq().

I still can't parse the sentence above. If request_irq() fails the device
initialization fails. If you request the wrong irq then request_irq() might
succeed but the device won't work.

Thanks,

	tglx
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