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-rw-r--r--Documentation/pinctrl.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt
index 3b4ee5328868..a1cd2f9428d7 100644
--- a/Documentation/pinctrl.txt
+++ b/Documentation/pinctrl.txt
@@ -1193,4 +1193,6 @@ foo_switch()
...
}
-The above has to be done from process context.
+The above has to be done from process context. The reservation of the pins
+will be done when the state is activated, so in effect one specific pin
+can be used by different functions at different times on a running system.