[PATCH 1/4] pinctrl: Add void * to pinctrl_pin_desc

[Sherman Yin]

drv_data is added to the pinctrl_pin_desc for drivers to define additional
driver-specific per-pin data.

Signed-off-by: Sherman Yin <syin at broadcom.com>
Reviewed-by: Christian Daudt <bcm at fixthebug.org>
Reviewed-by: Matt Porter <matt.porter at linaro.org>
---
Change-Id: I78b2c44b93d88b04897fd0af80ffce213e338d6b
---
 include/linux/pinctrl/pinctrl.h |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 5979147..c8e42c4 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -32,10 +32,12 @@ struct device_node;
  * pins, pads or other muxable units in this struct
  * @number: unique pin number from the global pin number space
  * @name: a name for this pin
+ * @drv_data: driver-defined per-pin data. pinctrl core does not touch this
  */
 struct pinctrl_pin_desc {
 	unsigned number;
 	const char *name;
+	void *drv_data;
 };
 
 /* Convenience macro to define a single named or anonymous pin descriptor */
-- 
1.7.9.5