From: "Alexander Shiyan" <shc_work@mail.ru>
To: "Thomas Gleixner" <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, "Mark Brown" <broonie@kernel.org>
Subject: Re: [PATCH] irq: Export symbol no_action()
Date: Tue, 04 Mar 2014 15:15:33 +0400 [thread overview]
Message-ID: <1393931733.877810306@f371.i.mail.ru> (raw)
In-Reply-To: <alpine.DEB.2.02.1403041203540.18573@ionos.tec.linutronix.de>
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Вторник, 4 марта 2014, 12:05 +01:00 от Thomas Gleixner <tglx@linutronix.de>:
> On Sat, 1 Mar 2014, Alexander Shiyan wrote:
>
> > This will allow to use dummy IRQ handler no_action() from
> > drivers compiled as module. For example, dummy handler is could
> > be used for drivers that use ARM FIQ interrupts.
>
> And why exactly requires a driver which uses ARM FIQ interrupts the
> no_action implementation?
FIQ Interrupt handler is not used in this function. In FIQ case this is just a
dummy declaration. Real handler is assigned by using the set_fiq_handler().
> > @@ -41,6 +41,7 @@ irqreturn_t no_action(int cpl, void *dev_id)
> > {
> > return IRQ_NONE;
> > }
> > +EXPORT_SYMBOL(no_action);
>
> EXPORT_SYMBOL_GPL if at all.
v2?
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next prev parent reply other threads:[~2014-03-04 11:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-01 6:45 [PATCH] irq: Export symbol no_action() Alexander Shiyan
2014-03-04 11:05 ` Thomas Gleixner
2014-03-04 11:15 ` Alexander Shiyan [this message]
2014-03-04 15:46 ` Thomas Gleixner
2014-03-04 17:53 ` Alexander Shiyan
2014-03-04 18:56 ` Thomas Gleixner
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