Update frequency of Time Base reg?

Chris Friesen cfriesen at nortelnetworks.com
Wed Oct 13 01:51:02 EST 2004


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



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