2 files changed, 16 insertions, 6 deletions

diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst
index 8b9164990956..8f1d3de449b5 100644
--- a/Documentation/admin-guide/pm/intel_pstate.rst
+++ b/Documentation/admin-guide/pm/intel_pstate.rst
@@ -324,8 +324,7 @@ Global Attributes
 
 ``intel_pstate`` exposes several global attributes (files) in ``sysfs`` to
 control its functionality at the system level.  They are located in the
-``/sys/devices/system/cpu/cpufreq/intel_pstate/`` directory and affect all
-CPUs.
+``/sys/devices/system/cpu/intel_pstate/`` directory and affect all CPUs.
 
 Some of them are not present if the ``intel_pstate=per_cpu_perf_limits``
 argument is passed to the kernel in the command line.
@@ -379,6 +378,17 @@ argument is passed to the kernel in the command line.
         but it affects the maximum possible value of per-policy P-state limits
         (see `Interpretation of Policy Attributes`_ below for details).
 
+``hwp_dynamic_boost``
+        This attribute is only present if ``intel_pstate`` works in the
+        `active mode with the HWP feature enabled <Active Mode With HWP_>`_ in
+        the processor.  If set (equal to 1), it causes the minimum P-state limit
+        to be increased dynamically for a short time whenever a task previously
+        waiting on I/O is selected to run on a given logical CPU (the purpose
+        of this mechanism is to improve performance).
+
+        This setting has no effect on logical CPUs whose minimum P-state limit
+        is directly set to the highest non-turbo P-state or above it.
+
 .. _status_attr:
 
 ``status``
diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
index 01bddacf5c3b..29389accf3e9 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -87,8 +87,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
         int ret;
 
         cpu_dev = get_cpu_device(0);
-        if (NULL == cpu_dev)
-                ret = -ENODEV;
+        if (!cpu_dev)
+                return -ENODEV;
 
         msm8996_version = qcom_cpufreq_kryo_get_msm_id();
         if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
@@ -97,8 +97,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
         }
 
         np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
-        if (IS_ERR(np))
-                return PTR_ERR(np);
+        if (!np)
+                return -ENOENT;
 
         ret = of_device_is_compatible(np, "operating-points-v2-kryo-cpu");
         if (!ret) {