lkml.org 
[lkml]   [2015]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] genirq: Fix bad IRQ_ONSHOT in forced IRQ setting
From
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 18 Sep 2015 11:04:23 +0200
> That's weird. The flow is:
>
> interrupt()
> mask()
> ret = primary_handler()
> if (ret == WAKE_THREAD)
> wake_thread()
> else
> unmask()
>
> thread_handler()
> ....
> unmask()
>
> So if an interrupt is triggered on the device while the interrupt is
> masked it should be raised again immediately when the unmask happens
> because its level type.
>
> I'm wondering why that doesn't work.

Yes. I think so. And, I have just found that sdhci_thread_irq() don't
finish in this case. I'm analyzing about this now. But, after I apply
my patch, sdhci_thread_irq() can finish. I will share the result with
you.

Best regards,
Kohji Okuno


\
 
 \ /
  Last update: 2015-09-18 11:41    [W:0.127 / U:0.388 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site