pinctrl: clarify idle vs sleep states

This pure documentation fix tries to align the "idle" and
"sleep" pin states to the idle and suspend states from
runtime PM.

Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/include/linux/pinctrl/pinctrl-state.h b/include/linux/pinctrl/pinctrl-state.h
index 634608dc6c89fe8c59aeb70e7b6c473a4869085f..2dbf71d846f3f3e31bc7f8490e80aa39a6e94fff 100644 (file)
--- a/include/linux/pinctrl/pinctrl-state.h
+++ b/include/linux/pinctrl/pinctrl-state.h
@@ -6,13 +6,15 @@
  * @PINCTRL_STATE_DEFAULT: the state the pinctrl handle shall be put
  *     into as default, usually this means the pins are up and ready to
  *     be used by the device driver. This state is commonly used by
- *     hogs to configure muxing and pins at boot.
+ *     hogs to configure muxing and pins at boot, and also as a state
+ *     to go into when returning from sleep and idle in
+ *     .pm_runtime_resume() or ordinary .resume() for example.
  * @PINCTRL_STATE_IDLE: the state the pinctrl handle shall be put into
  *     when the pins are idle. Could typically be set from a
- *     pm_runtime_suspend() operation.
+ *     pm_runtime_idle() operation.
  * @PINCTRL_STATE_SLEEP: the state the pinctrl handle shall be put into
  *     when the pins are sleeping. Could typically be set from a
- *     common suspend() function.
+ *     common pm_runtime_suspend() or ordinary .suspend() function.
  */
 #define PINCTRL_STATE_DEFAULT "default"
 #define PINCTRL_STATE_IDLE "idle"