gpiolib: of: remove of_get_gpio[_flags]() and of_get_named_gpio_flags()

There are no more users of these APIs in the mainline kernel, remove
them. This leaves of_get_named_gpio() as the only legacy OF-specific
API.

Signed-off-by: Dmitry Torokhov <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Signed-off-by: Bartosz Golaszewski <[e-mail]>

drivers/gpio/gpiolib-of.c

···
 	return desc;
 }
 
-int of_get_named_gpio_flags(const struct device_node *np, const char *list_name,
-			    int index, enum of_gpio_flags *flags)
+/**
+ * of_get_named_gpio() - Get a GPIO number to use with GPIO API
+ * @np:		device node to get GPIO from
+ * @propname:	Name of property containing gpio specifier(s)
+ * @index:	index of the GPIO
+ *
+ * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
+ * value on the error condition.
+ */
+int of_get_named_gpio(const struct device_node *np, const char *propname,
+		      int index)
 {
 	struct gpio_desc *desc;
 
-	desc = of_get_named_gpiod_flags(np, list_name, index, flags);
+	desc = of_get_named_gpiod_flags(np, propname, index, NULL);
 
 	if (IS_ERR(desc))
 		return PTR_ERR(desc);
 	else
 		return desc_to_gpio(desc);
 }
-EXPORT_SYMBOL_GPL(of_get_named_gpio_flags);
+EXPORT_SYMBOL_GPL(of_get_named_gpio);
 
 /* Converts gpio_lookup_flags into bitmask of GPIO_* values */
 static unsigned long of_convert_gpio_flags(enum of_gpio_flags flags)

include/linux/of_gpio.h

···
 	return container_of(gc, struct of_mm_gpio_chip, gc);
 }
 
-extern int of_get_named_gpio_flags(const struct device_node *np,
-		const char *list_name, int index, enum of_gpio_flags *flags);
+extern int of_get_named_gpio(const struct device_node *np,
+			     const char *list_name, int index);
 
 extern int of_mm_gpiochip_add_data(struct device_node *np,
 				   struct of_mm_gpio_chip *mm_gc,
···
 #include <linux/errno.h>
 
 /* Drivers may not strictly depend on the GPIO support, so let them link. */
-static inline int of_get_named_gpio_flags(const struct device_node *np,
-		const char *list_name, int index, enum of_gpio_flags *flags)
+static inline int of_get_named_gpio(const struct device_node *np,
+                                   const char *propname, int index)
 {
-	if (flags)
-		*flags = 0;
-
 	return -ENOSYS;
 }
 
 #endif /* CONFIG_OF_GPIO */
-
-static inline int of_get_gpio_flags(const struct device_node *np, int index,
-		      enum of_gpio_flags *flags)
-{
-	return of_get_named_gpio_flags(np, "gpios", index, flags);
-}
-
-/**
- * of_get_named_gpio() - Get a GPIO number to use with GPIO API
- * @np:		device node to get GPIO from
- * @propname:	Name of property containing gpio specifier(s)
- * @index:	index of the GPIO
- *
- * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
- * value on the error condition.
- */
-static inline int of_get_named_gpio(const struct device_node *np,
-                                   const char *propname, int index)
-{
-	return of_get_named_gpio_flags(np, propname, index, NULL);
-}
-
-/**
- * of_get_gpio() - Get a GPIO number to use with GPIO API
- * @np:		device node to get GPIO from
- * @index:	index of the GPIO
- *
- * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
- * value on the error condition.
- */
-static inline int of_get_gpio(const struct device_node *np, int index)
-{
-	return of_get_gpio_flags(np, index, NULL);
-}
 
 #endif /* __LINUX_OF_GPIO_H */