On Sat, 2014-03-22 at 11:25 -0500, Robert Nelson wrote:
> Fedora's 3.13.x might still be missing these:
>
> https://github.com/RobertCNelson/linux-dev/blob/am33x-v3.13/patches/dts/0002-arm-dts-am335x-boneblack-add-cpu0-opp-points.patch
>
> They should hit v3.15-rcX (fingers crossed)
>
> Beyond that, advanced power-management (suspend) thru the cortex-m
> firmware doesn't work outside of ti's v3.12.x branch anyways.
Robert,
Thanks, again. Actually, I already grabbed your am33x-v3.13 patch set
and applied it to a rebuilt Fedora kernel srpm.
cpufreq-cpu0, is built as a module and needs a manual modprobe to get it
loaded....
[fedora@beaglebone ~]$ sudo modprobe -v cpufreq-cpu0
insmod
/lib/modules/3.13.6-200.1.bone.fc20.armv7hl/kernel/drivers/cpufreq/cpufreq-cpu0.ko
[fedora@beaglebone ~]$ sudo cpupower frequency-info
analyzing CPU 0:
driver: generic_cpu0
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 300 us.
hardware limits: 275 MHz - 720 MHz
available frequency steps: 275 MHz, 500 MHz, 600 MHz, 720 MHz
available cpufreq governors: conservative, userspace, powersave,
ondemand, performance
current policy: frequency should be within 275 MHz and 720 MHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 275 MHz (asserted by call to hardware).
Regards
Clive
--
Clive Messer <[email protected]>
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