driver core: make pinctrl_bind_pins() private

pinctrl_bind_pins() is only used by driver core (as it should). Move it
out of the public header into base.h.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>

Author: Bartosz Golaszewski

drivers/base/base.h

@@ -289,3 +289,12 @@ static inline int devtmpfs_delete_node(struct device *dev) { return 0; }
 
 void software_node_notify(struct device *dev);
 void software_node_notify_remove(struct device *dev);
+
+#ifdef CONFIG_PINCTRL
+int pinctrl_bind_pins(struct device *dev);
+#else
+static inline int pinctrl_bind_pins(struct device *dev)
+{
+	return 0;
+}
+#endif /* CONFIG_PINCTRL */

drivers/base/pinctrl.c

@@ -14,6 +14,8 @@
 #include <linux/pinctrl/consumer.h>
 #include <linux/slab.h>
 
+#include "base.h"
+
 /**
  * pinctrl_bind_pins() - called by the device core before probe
  * @dev: the device that is just about to probe

include/linux/pinctrl/devinfo.h

@@ -43,7 +43,6 @@ struct dev_pin_info {
 #endif
 };
 
-extern int pinctrl_bind_pins(struct device *dev);
 extern int pinctrl_init_done(struct device *dev);
 
 static inline struct pinctrl *dev_pinctrl(struct device *dev)
@@ -58,11 +57,6 @@ static inline struct pinctrl *dev_pinctrl(struct device *dev)
 
 /* Stubs if we're not using pinctrl */
 
-static inline int pinctrl_bind_pins(struct device *dev)
-{
-	return 0;
-}
-
 static inline int pinctrl_init_done(struct device *dev)
 {
 	return 0;