Hi Stefan, On Mon, Sep 22, 2014 at 6:25 PM, Stefan Wahren <info@xxxxxxxxxxxxxx> wrote: > i've ported the mxs-regulator driver and now i'm getting an probing output > like above with Linux 3.17-rc4. Great, it looks like you are making good progress :-) > > Now i want to test the mxs-regulator driver with the cpufreq-cpu0 as > consumer. So i defined cpu@0 according to cpufreq-cpu0 binding in imx28.dtsi > and enabled cpufreq-cpu0 driver and userspace gov in Kernel config. > > But if i modprobe cpufreq-cpu0 i don't get any output and the entry > /sys/devices/system/cpu/cpu0/cpufreq is also missing. > > Any ideas, what's wrong or missing? Have you registered cpufreq-cpu0 inside arch/arm/mach-mxs/mach-mxs.c? Take a look at this patch for an example: http://www.spinics.net/lists/arm-kernel/msg363761.html -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html