Re: [PATCH] Free setup_irq() interrupt V2

From: Ingo Molnar
Date: Tue Mar 10 2009 - 11:33:59 EST



* Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> On Tue, 10 Mar 2009, Ingo Molnar wrote:
> > * Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> >
> > > Magnus,
> > >
> > > On Tue, 10 Mar 2009, Magnus Damm wrote:
> > > > From: Magnus Damm <damm@xxxxxxxxxx>
> > > > This patch adds a __free_irq() function for releasing
> > > > interrupts requested with setup_irq().
> > >
> > > I think there is a simpler solution than adding yet another
> > > function for the confusion of driver writers. See below.
> >
> > Uhm, i asked for that solution ;-)
>
> Uhm, I missed that :)
>
> > To reduce the confusion in generic code with yet another IRQF flag.
>
> Hmm. I still prefer a solution which confuses the few people hacking
> on kernel/irq/* instead of having another function which confuses the
> already confused driver writers.
>
> I can live with the two functions as well, but then please let us use
> a function name which is more intuitive than __free_irq().
>
> setup_irq() -> remove_irq()
> request_irq() -> free_irq()

Sure, that's fine with me.

I almost suggested shutdown_irq() to Magnus originally, then
went for __free_irq().

Ingo
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