From: Thomas Gleixner <t...@linutronix.de>
Date: Sat, 19 Sep 2015 22:24:15 +0200
> No, we can't. We can only do that if the interrupt is not shared.
> Assume the following scenario:
>        request_irq(irq, handler, IRQF_SHARED, "devA", devidA);
> In case of force threading that sets the oneshot flag for the irq
> descriptor.
> Now the sdhci driver is initialized
>        request_thread_irq(irq, handler, thandler, IRQF_SHARED,
>                                 "sdhci", devidSDHCI);
> The oneshot flag sticks and you run into exactly the same issue as
> now.
> Shared interrupts are a major pain, but we have to deal with them.
> I'm working on a solution for that issue.
> 
> Thanks,
>       tglx

I understood. If you could prepare the patch, I can try it.

Thanks,
 Kohji Okuno
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