[10/10] Documentation: cpufreq: Update policy notifier documentation
diff mbox series

Message ID 437a6b7e7876b6edee52f7ef829ee905b14d89a5.1563270828.git.viresh.kumar@linaro.org
State Superseded, archived
Headers show
  • Untitled series #146361
Related show

Commit Message

Viresh Kumar July 16, 2019, 9:54 a.m. UTC
Update documentation with the recent policy notifier updates.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
 Documentation/cpu-freq/core.txt | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff mbox series

diff --git a/Documentation/cpu-freq/core.txt b/Documentation/cpu-freq/core.txt
index 073f128af5a7..af5c0d60b466 100644
--- a/Documentation/cpu-freq/core.txt
+++ b/Documentation/cpu-freq/core.txt
@@ -57,19 +57,11 @@  transition notifiers.
 2.1 CPUFreq policy notifiers
-These are notified when a new policy is intended to be set. Each
-CPUFreq policy notifier is called twice for a policy transition:
+These are notified when a new policy is created or removed.
-1.) During CPUFREQ_ADJUST all CPUFreq notifiers may change the limit if
-    they see a need for this - may it be thermal considerations or
-    hardware limitations.
-2.) And during CPUFREQ_NOTIFY all notifiers are informed of the new policy
-   - if two hardware drivers failed to agree on a new policy before this
-   stage, the incompatible hardware shall be shut down, and the user
-   informed of this.
-The phase is specified in the second argument to the notifier.
+The phase is specified in the second argument to the notifier.  The phase is
+CPUFREQ_CREATE_POLICY when the policy is first created and it is
+CPUFREQ_REMOVE_POLICY when the policy is removed.
 The third argument, a void *pointer, points to a struct cpufreq_policy
 consisting of several values, including min, max (the lower and upper