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Rick Niles wrote: > I'm the Linux maintainer for the OSGPS (open source GPS) project. Our > last release version was based off Fedora 5 and since we have had some > hardware issues with our on board interrupt line I was using the RTC > interrupt to service the tracking loops. 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. 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. > > I'm looking for any help here. The RTC version of the code can be > viewed at: > http://osgps.cvs.sourceforge.net/osgps/osgps/linuxmod.c?revision=1.12&view=markup > > > Can device drivers still use the real-time clock at all? Does the > tickless kernel effect this at all? > > Thanks for any help you can lend, > Rick Niles. Am I missing why you can't just use a normal kernel timer for this? You shouldn't have to mess with the RTC or HPET directly.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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