Re: [PATCH v3] watchdog/imx2+: add support for pretimeout interrupt functionality

From: Wim Van Sebroeck
Date: Thu Sep 27 2012 - 17:24:37 EST


Hi Oskar,

> unless there is another issue with this patch,
> could You give an ack now?
>
> thanks,
> Oskar
>
> On Thu, Sep 20, 2012 at 15:37:24 +0000, Oskar Schirmer wrote:
> > This watchdog device provides pretimeout facilities:
> > Set some timeout value and get informed about imminent
> > watchdog activity thru interrupt.
> >
> > Allow user to wait for this asynchronous event thru poll(2),
> > and to clear it implicitely upon dog appeasement.
> >
> > There is only one precedent in current kernel that implements
> > watchdog pretimeout, ipmi_watchdog. It provides pretimeout
> > event thru poll, and requires a read(2) call to clear it.
> >
> > However, as write(2) does calm the dog and so wind up the
> > timer anyway, it is obvious to let poll(2) state writability
> > where pretimeout has passed.
> [...]

No, I'm not givinbg this an ACK nor a NAK at this moment.
I will review best options after the next merge window.

Kind regards,
Wim.

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