Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpio/gpiolib-of.h b/drivers/gpio/gpiolib-of.h
new file mode 100644
index 0000000..9768831
--- /dev/null
+++ b/drivers/gpio/gpiolib-of.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef GPIOLIB_OF_H
+#define GPIOLIB_OF_H
+
+struct gpio_chip;
+enum of_gpio_flags;
+
+#ifdef CONFIG_OF_GPIO
+struct gpio_desc *of_find_gpio(struct device *dev,
+ const char *con_id,
+ unsigned int idx,
+ unsigned long *lookupflags);
+int of_gpiochip_add(struct gpio_chip *gc);
+void of_gpiochip_remove(struct gpio_chip *gc);
+int of_gpio_get_count(struct device *dev, const char *con_id);
+bool of_gpio_need_valid_mask(const struct gpio_chip *gc);
+#else
+static inline struct gpio_desc *of_find_gpio(struct device *dev,
+ const char *con_id,
+ unsigned int idx,
+ unsigned long *lookupflags)
+{
+ return ERR_PTR(-ENOENT);
+}
+static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
+static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
+static inline int of_gpio_get_count(struct device *dev, const char *con_id)
+{
+ return 0;
+}
+static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
+{
+ return false;
+}
+#endif /* CONFIG_OF_GPIO */
+
+#endif /* GPIOLIB_OF_H */