| Message ID | 1456779985-20949-1-git-send-email-srinivas.pandruvada@linux.intel.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
Hi, On Mon, Feb 29, 2016 at 10:06 PM, Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> wrote: > Added new file for acpi-cpufreq driver, with explanation for > base_frequency. > > Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Can you please fold this into the patch adding the new attribute? Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 2016-03-01 at 00:48 +0100, Rafael J. Wysocki wrote: > Hi, > > On Mon, Feb 29, 2016 at 10:06 PM, Srinivas Pandruvada > <srinivas.pandruvada@linux.intel.com> wrote: > > Added new file for acpi-cpufreq driver, with explanation for > > base_frequency. > > > > Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel > > .com> > > Can you please fold this into the patch adding the new attribute? > I forgot to fold it and sent separately. Will send again. Thanks, Srinivas > Thanks, > Rafael > -- > To unsubscribe from this list: send the line "unsubscribe linux-pm" > in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/cpu-freq/acpi-cpufreq-addition.txt b/Documentation/cpu-freq/acpi-cpufreq-addition.txt new file mode 100644 index 0000000..40efb22 --- /dev/null +++ b/Documentation/cpu-freq/acpi-cpufreq-addition.txt @@ -0,0 +1,20 @@ +Additional sysfs attribute for acpi-cpufreq + +In addition to the standard sysfs interface as defined in the +user-guide.txt under section "Preferred Interface: sysfs", +acpi-cpufreq can have following additional sysfs attribute: + +base_frequency: Max non-turbo frequency +For example: +scaling_available_frequencies displays list of available frequencies which +can be used to set max/min or current scaling frequency. +>cat scaling_available_frequencies +2301000 2300000 2200000 2000000 1900000 1800000 1700000 1500000 1400000 +1300000 1100000 1000000 900000 800000 600000 500000 +If the base_frequency attribute is present, then any frequency above is +purely opportunistic or turbo frequency. For example +>cat base_frequency +2200000 +Then in the above displayed list of scaling_available_frequencies, any +frequency 2300000 or 2301000 is opportunistic or turbo frequency. +
Added new file for acpi-cpufreq driver, with explanation for base_frequency. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> --- Documentation/cpu-freq/acpi-cpufreq-addition.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/cpu-freq/acpi-cpufreq-addition.txt