From: Rick Niles <fniles@gnupooh.org>
To: Jan Engelhardt <jengelh@computergmbh.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Help with rtc to hpet conversion of OSGPS driver
Date: Thu, 11 Oct 2007 08:51:14 -0400 [thread overview]
Message-ID: <470E1C42.1040600@gnupooh.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0710111437040.32234@fbirervta.pbzchgretzou.qr>
Maybe I'm way off here, but that seems to be the function to register a
RTC hardware chip with the kernel. I want to use a real-time clock
interrupt to wake up my driver and service the GPS correlator, about
every 500ms. Please let me know if I'm misunderstanding.
Jan Engelhardt wrote:
> On Oct 11 2007 08:01, Rick Niles wrote:
>
>> I've been trying to make the driver work with
>> Fedora 7 and the 2.6.22 kernel, but the rtc_register() and other RTC functions
>> seems to have been removed.
>>
>
> grep -r rtc_device_register drivers/rtc/
>
> Does that help?
>
>
>> I see they've been replaced by the corresponding
>> HPET functions, which is great. However, hpet_register() always returns -16
>> (EBUSY). This could be because I lack the correct hardware (I'm running 32-bit
>> Linux on a Athlon64 with an NVIDIA chipset) or some other reason.
>>
next prev parent reply other threads:[~2007-10-11 12:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-11 12:01 Help with rtc to hpet conversion of OSGPS driver Rick Niles
2007-10-11 12:37 ` Jan Engelhardt
2007-10-11 12:51 ` Rick Niles [this message]
2007-10-11 13:23 ` Jan Engelhardt
[not found] <fa.nKddWg8u6TJNw86Rid83rey2q6Q@ifi.uio.no>
2007-10-12 4:20 ` Robert Hancock
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