On 4 July 2013 14:20, Lukasz Majewski <l.majewski@xxxxxxxxxxx> wrote: > -Reading the file is always supported, even if the processor does not > -support boosting. In this case the file will be read-only and always > -reads as "0". Explicitly changing the permissions and writing to that > -file anyway will return EINVAL. > +The file is exported only when cpufreq driver supports boosting. > +Explicitly changing the permissions and writing to that file anyway will > +return EINVAL. For acpi-cpufreq reading the file should be always supported. And this must be mentioned in doc. -- 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