[PATCH 8/9] Documentation/amd-pstate: List prefcore related sysfs files

["Gautham R. Shenoy" <gautham.shenoy@amd.com>]

Add the missing amd_pstate_hw_prefcore and amd_pstate_prefcore_ranking
filenames in the sysfs listing example leading to the descriptions of
these parameters.

Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
---
 Documentation/admin-guide/pm/amd-pstate.rst | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index e1771f2225d5f..f566fea6613e6 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -239,8 +239,10 @@ control its functionality at the system level. They are located in the
 
  root@hr-test1:/home/ray# ls /sys/devices/system/cpu/cpufreq/policy0/*amd*
  /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_highest_perf
+ /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_hw_prefcore
  /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_lowest_nonlinear_freq
  /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_max_freq
+ /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_prefcore_ranking
 
 
 ``amd_pstate_highest_perf / amd_pstate_max_freq``
@@ -264,14 +266,17 @@ This attribute is read-only.
 
 ``amd_pstate_hw_prefcore``
 
-Whether the platform supports the preferred core feature and it has been
-enabled. This attribute is read-only.
+Whether the platform supports the preferred core feature and it has
+been enabled. This attribute is read-only. This file is only visible
+on platforms which support the preferred core feature.
 
 ``amd_pstate_prefcore_ranking``
 
-The performance ranking of the core. This number doesn't have any unit, but
-larger numbers are preferred at the time of reading. This can change at
-runtime based on platform conditions. This attribute is read-only.
+The performance ranking of the core. This number doesn't have any
+unit, but larger numbers are preferred at the time of reading. This
+can change at runtime based on platform conditions. This attribute is
+read-only.  This file is only visible on platforms which support the
+preferred core feature.
 
 ``energy_performance_available_preferences``
 
-- 
2.34.1