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Re: Heads up: new SD controller driver for Raspberry Pi in -current

On Thu, 17 Aug 2017, Harold Gutch wrote:

Oh, does that also apply to the Pi 3 and Zero W then?  I haven't yet
felt the need to overclock any of my Raspberries but it would of
course be good to know any such caveats.  From what I've read,
force_turbo=1 will disable dynamic clocking and make the Raspberry
always run on machdep.cpu.frequency.max (I guess) while force_turbo=0
will allow it to also run at slower speeds (down to frequency.min?).
At least that is how it apparently works in Linux...

I think you're right -- I misunderstood the documentation for how force_turbo=0 applies to the core freq. I'm looking for something I can put in config.txt that will keep core freq at a fixed rate, is applicable to all boards, and doesn't set the warranty bit. Any suggestions?

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