Re: [rtc-linux] Re: [PATCH] rtc: Make rtc_update_irq callable withirqs enabled
From: Alessandro Zummo
Date: Thu Apr 23 2009 - 15:27:00 EST
On Thu, 23 Apr 2009 12:25:01 -0700
David Brownell <david-b@xxxxxxxxxxx> wrote:
> > but why rtc_update_irq should disable the IRQs? I believe
> > it can work just fine with IRQs enabled.
>
> The last patch I saw was just changing from "caller must
> disable them" to "rtc_update_irq() disables them".
>
> If you're talking about a different patch, please forward...
no patch, just theory.
the question is, do we need IRQs disabled when
calling rtc_update_irq?
and if yes, why? to prevent what?
--
Best regards,
Alessandro Zummo,
Tower Technologies - Torino, Italy
http://www.towertech.it
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