Re: [PATCH v5 2/9] drivers: irqchip: Add STM32 external interrupts support

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

On Tue, 20 Sep 2016, Alexandre Torgue wrote:

> Thomas,
> 
> On 09/20/2016 11:51 AM, Thomas Gleixner wrote:
> > On Tue, 20 Sep 2016, Alexandre Torgue wrote:
> > > > On 09/14/2016 03:34 PM, Thomas Gleixner wrote:
> > > > > Well, you just used some function in some context which is not
> > > > > relevant to
> > > > > the normal operation. So adding that mask() is just paranoia for no
> > > > > value.
> > > > 
> > > A gentle reminder ping...
> > > If ".free" callback is not relevant then I 'll remove it from exti domain.
> 
> Sorry for discussing about the same thing again (and again) but I just want to
> be sure before sending a new version. As you know I have 2 domains: EXTI
> domain (parent) and stm32-pinctrl-bank domain (child one).
> 
> There does it make sens to have ".free" callbacks defined in both domain
> (actually if I define one for the child domain I have to define also ".free"
> callback for parent domain (EXTI) as it is hierarchical) ?
> If ".free" have no chance to be called then I will send a new version by
> removing .free callbacks (in both domain).

Free will be called when a interrupt in the child domain is torn down,
i.e. when irq_domain_free_irqs() is called. And it will be called for both
domains like the alloc callback is invoked on both domains via
irq_domain_alloc_irqs().

Thanks,

	tglx




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