Messages in this thread | | | Date | Mon, 28 Nov 2011 15:39:00 +0000 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH 4/5] init/calibrate.c: allow for recalibration of loops per jiffy |
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On Sun, Nov 27, 2011 at 04:32:30AM +0100, Janusz Krzysztofik wrote: > This is required on ARM OMAP1 platform, after DPLL reprogramming has > been fixed by moving it from setup_arch() to kernel_init(). > > Created against linux-3.2-rc2.
Why do you need this? If you know what the original CPU clock rate and bogomips were, and the new CPU clock rate, then you simply scale the bogomips from the original accordingly. That's what cpufreq does.
You don't have to waste 10s of milliseconds redoing the bogomips calibration.
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