Hi, On 9/21/22 12:24, Shyam Sundar S K wrote: > AMD PMF driver provides the flexibility to turn "on" or "off" > CnQF feature (introduced in the earlier patch). > > Add corresponding ABI documentation for the new sysfs node and > also update MAINTAINERS file with this new information > > Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx> > --- > Documentation/ABI/testing/sysfs-amd-pmf | 12 ++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 13 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-amd-pmf > > diff --git a/Documentation/ABI/testing/sysfs-amd-pmf b/Documentation/ABI/testing/sysfs-amd-pmf > new file mode 100644 > index 000000000000..fec2be7178e2 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-amd-pmf > @@ -0,0 +1,12 @@ > +What: /sys/devices/platform/*/cnqf_enable > +Date: September 2022 > +Contact: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx> > +Description: Reading this file tells if the AMD Platform Management(PMF) > + Cool n Quiet Framework(CnQF) feature is enabled or not. > + > + This feature is not enabled by default and gets only turned on > + if OEM BIOS passes a "flag" to PMF ACPI function (index 11 or 12) > + or in case the user writes "on". > + > + To turn off CnQF user can write "off" to the sysfs node. > + Note: Systems that support auto mode will not have this sysfs file available I guess this "available" with a bunch of whitespace in front of it was intended to be on the next line? With this fixed: Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Regards, Hans > diff --git a/MAINTAINERS b/MAINTAINERS > index d74bf90f5056..255527be7e24 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1026,6 +1026,7 @@ AMD PMF DRIVER > M: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx> > L: platform-driver-x86@xxxxxxxxxxxxxxx > S: Maintained > +F: Documentation/ABI/testing/sysfs-amd-pmf > F: drivers/platform/x86/amd/pmf/ > > AMD HSMP DRIVER
