linux-kernel - Re: Help with rtc to hpet conversion of OSGPS driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Pine.LNX.4.64.0710111522280.32234@fbirervta.pbzchgretzou.qr>
Date:	Thu, 11 Oct 2007 15:23:13 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Rick Niles <fniles@...pooh.org>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Help with rtc to hpet conversion of OSGPS driver


On Oct 11 2007 08:51, Rick Niles wrote:
>
> 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.

You register your hardware, and then the userspace program opens /dev/rtc17
or whatever node is assigned to it, and receives periodic interrupts.
At least that's the theory for rtc-cmos.

And don't top post.

-
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/