Merge tag 'tegra-for-4.8-i2c' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra...

[cascardo/linux.git] / Documentation / devicetree / changesets.txt

diff --git a/Documentation/devicetree/changesets.txt b/Documentation/devicetree/changesets.txt
index 935ba5a..cb488ee 100644 (file)
--- a/Documentation/devicetree/changesets.txt
+++ b/Documentation/devicetree/changesets.txt
@@ -21,20 +21,11 @@ a set of changes. No changes to the active tree are made at this point.
 All the change operations are recorded in the of_changeset 'entries'
 list.
 
 All the change operations are recorded in the of_changeset 'entries'
 list.
 

-3. mutex_lock(of_mutex) - starts a changeset; The global of_mutex
-ensures there can only be one editor at a time.
-
-4. of_changeset_apply() - Apply the changes to the tree. Either the
+3. of_changeset_apply() - Apply the changes to the tree. Either the

 entire changeset will get applied, or if there is an error the tree will
 entire changeset will get applied, or if there is an error the tree will

-be restored to the previous state
-
-5. mutex_unlock(of_mutex) - All operations complete, release the mutex
+be restored to the previous state. The core ensures proper serialization
+through locking. An unlocked version __of_changeset_apply is available,
+if needed.

 
 If a successfully applied changeset needs to be removed, it can be done
 
 If a successfully applied changeset needs to be removed, it can be done

-with the following sequence.
-
-1. mutex_lock(of_mutex)
-
-2. of_changeset_revert()
-
-3. mutex_unlock(of_mutex)
+with of_changeset_revert().