From: Matthieu CASTET <castet.matthieu@free.fr>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RTC: Use fallback IRQ if PNP tables don't provide one
Date: Mon, 28 May 2007 18:50:22 +0000 (UTC) [thread overview]
Message-ID: <pan.2007.05.28.18.50.22@free.fr> (raw)
In-Reply-To: 20070528172418.GA2076@srcf.ucam.org
Hi,
On Mon, 28 May 2007 18:24:18 +0100, Matthew Garrett wrote:
> From: Matthew Garrett <mjg59@srcf.ucam.org>
>
> Intel Macs (and possibly other machines) provide a PNP entry for the
> RTC, but provide no IRQ. As a result the rtc-cmos driver doesn't allow
> wakeup alarms. If the RTC is located at the legacy ioport range, assume
> that it's on IRQ 8 unless the tables say otherwise.
I post something via gmane this morning, but it seems it was lost :
Did you check if there aren't multiple configuration for rtc (one with
irq, and
one without it) ?
What's the ouput of
$ for i in /sys/bus/pnp/devices/*; do if [ "$(cat $i/id)" = PNP0b00 ];
then cat
$i/resources; echo options; cat $i/options; fi; done
Matthieu
next prev parent reply other threads:[~2007-05-28 18:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-27 19:03 RTC_DRV_CMOS can break userspace interface Matthew Garrett
2007-05-27 23:39 ` Matthew Garrett
2007-05-28 0:38 ` Matthew Garrett
2007-05-28 1:44 ` David Brownell
2007-05-28 2:16 ` Matthew Garrett
2007-05-28 17:24 ` [PATCH] RTC: Use fallback IRQ if PNP tables don't provide one Matthew Garrett
2007-05-28 18:50 ` Matthieu CASTET [this message]
2007-05-30 0:30 ` Andrew Morton
2007-05-30 1:02 ` Matthew Garrett
2007-05-28 21:06 ` David Brownell
2007-05-28 1:36 ` RTC_DRV_CMOS can break userspace interface David Brownell
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