From: Chris Friesen <cfriesen@nortelnetworks.com>
To: jonathan@jonmasters.org
Cc: linuxppc-dev@ozlabs.org,
Arrigo Benedetti <arrigo@bologna.vision.caltech.edu>
Subject: Re: Update frequency of Time Base reg?
Date: Tue, 12 Oct 2004 09:51:02 -0600 [thread overview]
Message-ID: <416BFD66.2090303@nortelnetworks.com> (raw)
In-Reply-To: <35fb2e59041012073325afbcfc@mail.gmail.com>
Jon Masters wrote:
> so e.g. in /proc/device-tree/cpus/PowerPC,G4/timebase-frequency.
Interesting. Learn something new....
Just took a look at the code, and there are apparently some machines on which
this is flaky. To use this in userspace you'd want to account for that, and
probably you'd want a backup calibration as well.
Chris
prev parent reply other threads:[~2004-10-12 15:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-08 21:42 Update frequency of Time Base reg? Arrigo Benedetti
2004-10-08 22:02 ` Chris Friesen
2004-10-11 9:52 ` Segher Boessenkool
2004-10-12 5:13 ` Chris Friesen
2004-10-12 9:04 ` Segher Boessenkool
2004-10-12 14:33 ` Jon Masters
2004-10-12 15:51 ` Chris Friesen [this message]
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