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Message-ID: <20110429082623.GN11227@gundam.enneenne.com> Date: Fri, 29 Apr 2011 10:26:23 +0200 From: Rodolfo Giometti <giometti@...eenne.com> To: Igor Plyatov <plyatov@...il.com> Cc: Alexander Gordeev <lasaine@....cs.msu.su>, linuxpps@...enneenne.com, linux-kernel@...r.kernel.org Subject: Re: [LinuxPPS] [PATCH 2/2] pps: new client driver using IRQs On Fri, Apr 29, 2011 at 08:29:55AM +0400, Igor Plyatov wrote: >>> The latter will definitely mess things up, right? >> I mean, one surely can register an IRQ resource with both flags set. And >> if the underlying hardware works as it is described (i.e. raises an irq >> on both edges) then it will be a problem. > > Please don't try to abandon one of ASSERT or CLEAR events! > It is very useful to register both of them, because in this case its > possible to measure pulse width and decode PPS signals like DCF77. At this point I suppose we should add both ASSERT and CLEAR events... Ciao, Rodolfo -- GNU/Linux Solutions e-mail: giometti@...eenne.com Linux Device Driver giometti@...ux.it Embedded Systems phone: +39 349 2432127 UNIX programming skype: rodolfo.giometti Freelance ICT Italia - Consulente ICT Italia - www.consulenti-ict.it -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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