--- zzzz-none-000/linux-3.10.107/include/linux/pinctrl/pinmux.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/pinctrl/pinmux.h	2021-02-04 17:41:59.000000000 +0000
@@ -39,13 +39,12 @@
  *	name can be used with the generic @pinctrl_ops to retrieve the
  *	actual pins affected. The applicable groups will be returned in
  *	@groups and the number of groups in @num_groups
- * @enable: enable a certain muxing function with a certain pin group. The
+ * @set_mux: enable a certain muxing function with a certain pin group. The
  *	driver does not need to figure out whether enabling this function
  *	conflicts some other use of the pins in that group, such collisions
  *	are handled by the pinmux subsystem. The @func_selector selects a
  *	certain function whereas @group_selector selects a certain set of pins
  *	to be used. On simple controllers the latter argument may be ignored
- * @disable: disable a certain muxing selector with a certain pin group
  * @gpio_request_enable: requests and enables GPIO on a certain pin.
  *	Implement this only if you can mux every pin individually as GPIO. The
  *	affected GPIO range is passed along with an offset(pin number) into that
@@ -57,6 +56,9 @@
  *	depending on whether the GPIO is configured as input or output,
  *	a direction selector function may be implemented as a backing
  *	to the GPIO controllers that need pin muxing.
+ * @strict: do not allow simultaneous use of the same pin for GPIO and another
+ *	function. Check both gpio_owner and mux_owner strictly before approving
+ *	the pin request.
  */
 struct pinmux_ops {
 	int (*request) (struct pinctrl_dev *pctldev, unsigned offset);
@@ -67,11 +69,9 @@
 	int (*get_function_groups) (struct pinctrl_dev *pctldev,
 				  unsigned selector,
 				  const char * const **groups,
-				  unsigned * const num_groups);
-	int (*enable) (struct pinctrl_dev *pctldev, unsigned func_selector,
-		       unsigned group_selector);
-	void (*disable) (struct pinctrl_dev *pctldev, unsigned func_selector,
-			 unsigned group_selector);
+				  unsigned *num_groups);
+	int (*set_mux) (struct pinctrl_dev *pctldev, unsigned func_selector,
+			unsigned group_selector);
 	int (*gpio_request_enable) (struct pinctrl_dev *pctldev,
 				    struct pinctrl_gpio_range *range,
 				    unsigned offset);
@@ -82,6 +82,7 @@
 				   struct pinctrl_gpio_range *range,
 				   unsigned offset,
 				   bool input);
+	bool strict;
 };
 
 #endif /* CONFIG_PINMUX */