Messages in this thread | | | Date | 27 Sep 2012 13:08:37 +0000 | From | "Oskar Schirmer" <> | Subject | Re: [PATCH v3] watchdog/imx2+: add support for pretimeout interrupt functionality |
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Hi Wim,
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. [...]
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